1 1/2 x 1 1/2 what is the answer for that equation?

Answers

Answer 1
The answer to that equation is 2 1/4 or 2.25.
Answer 2

Answer:

9/4.

Step-by-step explanation:

Hope this helps! =D


Related Questions

One cubic foot of a chemical weighs 50 pounds. How many pounds of the chemical can a container with the dimensions shown hold?

Answers

The container can contains 3,000 pounds of chemicals.

How many pounds can the container hold?

One cubic foot of a chemical weighs 50 pounds which means 1 ft³ of chemical = 60 pounds

We must  find how many pounds in the container whose dimension 6 ft, 4 ft and 2.5 ft. So, the l = 6 ft, b = 4 ft and h = 2.5 ft.

Volume of box = L*B*H

Volume of box = 6 x 4 x 2.5

Volume of box = 60 ft³

From 1 ft³ of chemical = 60 pounds; then, the 50 ft³ of chemical will be:

= 50 x 60

= 3,000 pounds

Full question "One cubic foot of a chemical weighs 60 pounds. How many pounds of the chemical can a container with the dimensions shown hold? The base is 6, the width is 4, and the height is 2.5"

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Use a graph to write an equation for the proportional relationship between the number of hours Corrie works, h, and her total pay, P.

Answers

The equation for the proportional relationship between the number of hours Corrie works, h, and her total pay, P, can be represented as [tex]P = Ph[/tex].

Which equation represent the proportional relationship?

If we assume that Corrie's pay rate is P dollars per hour, then the equation for the proportional relationship between the number of hours Corrie works, h, and her total pay, P, can be represented as P = Ph, which simplifies to:

P = hP

Here, the P is the pay rate in dollars per hour, and h is the number of hours worked. Note that this equation is similar to the original equation e = 23h, except that the constant of proportionality has been replaced with the pay rate, P.

Full question "The proportional relationship between the number of hours Corrie works, h, and his total earnings in dollars and cents, e, can be represented by the equation e = 23h. Write an equation for the proportional relationship between the number of hours Corrie works, h, and her total pay, P."

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the graph of y=ex is transformed as showed in the graph below. Which equation represents the transformed function?

Answers

The transformed function  [tex]y =e^x + 3[/tex]  by shifting the graph of [tex]y =e^x[/tex] upwards with 3 units as per given graph.

What is a transformation?

A transformation in a graph is a function that maps each point in the original graph to a corresponding point in a new graph.

According to the graph it shows that there is transformation to 3 unit upwards.

To transform the equation  [tex]y =e^x[/tex]  to   [tex]y =e^x + 3[/tex] , we can add 3 to both sides of the given equation:

[tex]y+3 =e^x + 3[/tex]

So the equation  [tex]y = e^x + 3[/tex]  is the transformed version of  [tex]y = e^x[/tex] Geometrically, this transformation shifts the graph of  [tex]y = e^x[/tex] upwards by 3 units, while maintaining its shape and curvature. This means that it will intersect the y-axis at the point (0, 3) and will never touch the x-axis.

In summary, the transformed function   [tex]y = e^x + 3[/tex]   by shifting the graph of  [tex]y = e^x[/tex] upwards with 3 units.

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Add or subtract then complete the chart.

Answers

A simplification of the polynomial is -c³ + 2c² - 9c + 1.

The degree of the polynomial is equal to 3.

The leading coefficient of the polynomial is equal to -1.

The constant of the polynomial is equal to 1.

What is a polynomial function?

In Mathematics and Geometry, a polynomial function is a mathematical expression which comprises intermediates (variables), constants, and whole number exponents with different numerical value, that are typically combined by using mathematical operations such as the following:

Multiplication (product)AdditionSubtraction

Next, we would subtract the two (2) given polynomials as follows;

Expression = (c³ + 2c² - 5c) - (2c³ + 4c - 1)

Expression = c³ + 2c² - 5c - 2c³ - 4c + 1

By rearranging the given polynomials by combining like terms, we have;

Expression = -c³ + 2c² - 9c + 1

Where:

The degree = 3.

The leading coefficient = -1.

The constant = 1.

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Help please!!!

It would be much appreciated! <3

Answers

Workout of the fastest person's total time is 2 minutes 34 seconds.

What about time?

Time is a concept used to describe the sequence and duration of events or changes that occur in the universe. It is a measure of the interval between two events or occurrences, and it allows us to describe and understand the order and duration of events.

In physics, time is often described as a dimension, along with the three spatial dimensions, and is often measured in units such as seconds, minutes, or hours. Time is also relative, meaning that its perception and measurement can vary depending on factors such as motion and gravity.

Overall, time is a fundamental concept in many fields, including physics, philosophy, and everyday life, and its study and understanding are crucial to our understanding of the world around us.

According to the given information:

From the given table we can observe that Ben is the fastest

Total time =53.44 + 49.79+ 50.50

                = 153.73 seconds.

Hence, total time = 2 minutes 34 seconds

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Question 6
Gas mileage is the number of miles you can drive on a a gallon of gasoline. A test of a new car
results in 310 miles on 20 gallons of gas. Which equation below represent the gas milage of the
car? Select ALL answers that apply.
Oy=310-20x
Oy = 15.5x
Oy = 310x + 20
Oy = 31/2x

Answers

Answer: Oy = 15.5x

Step-by-step explanation: Gas mileage refers to the quantity of miles driven per unit volume of gasoline, typically expressed as "miles per gallon." In the context of the present inquiry, the vehicle in question exhibited a capacity to traverse a distance of 310 miles subsequent to the utilization of 20 gallons of gasoline. Thus, it is possible to calculate the gas mileage through the division of the quantity of gas consumed by the distance elapsed, resulting in:

The fuel efficiency of a vehicle, represented by the metric of gas mileage, is typically calculated by the ratio of distance traveled in miles to the amount of fuel consumed in gallons. In the present case, the gas mileage is equivalent to the quotient of 310 miles by 20 gallons, resulting in an efficiency rating of 15.5 miles per gallon.

What is the solution to the following graph? PLEASE HELP ITS URGENT!!!

Answers

The solution shown in the graph is (-4, 0)

What is the solution of the graph?

Here we have a system of equations graphed, the solutions of the system are all the points where the graphs of the functions (lines in this case) do intercept.

Then, in this case the solution is where the lines red and blue intercept, that happens at the point (-4, 0).

So that is the solution of the system of equations.

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Marina is drawing a plan for a new garden. The rectangle plotted in the coordinate plane represents the garden, measured in feet. To surround the garden with a stone path, how many feet of stone does she need? 4 feet 6 feet 10 feet 20 feet

Answers

If Mariana needs to surround the garden with a stone-path, then she would need 20 feet of stone, Option (d) is correct.

The "Perimeter" of a rectangle is defined as the "total-length" of the outer boundary.

The length of the rectangle can be calculated as the difference between the x-coordinates of the vertices on the same vertical side.

In this case, the "x-coordinates" of vertices on same vertical side are 4 and -2.

So, the length of the rectangle is = 4 -(-2) = 6 feet.

Similarly, the width of rectangle is calculated as difference between "y-coordinates" of vertices on same horizontal side.

In this case, the "y-coordinates" of vertices on same horizontal side are 1 and -3.

So, the width of the rectangle is = 1 -(-3) = 4 feet,

To surround rectangle with a stone path, Marina need to add length of stone needed for the perimeter of rectangle, which is sum of all four sides.

The perimeter (P) is ⇒ P = 2(length + width),

Substituting the values,

We get,

⇒ P = 2(6 + 4) = 2(10) = 20 feet

Therefore, the correct option is (d).

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The given question is incomplete, the complete question is

Marina is drawing a plan for a new garden. The rectangle with the vertex (4,1) , (4,-3) , (-2,-3) , (-2,1)in the coordinate plane represents the garden, measured in feet. To surround the garden with a stone path, how many feet of stone does she need?

(a) 4 feet

(b) 6 feet

(c) 10 feet

(d) 20 feet

Answer:

20 feet because ik from experience

Q1: Use simple exponential smoothing with a = 0.75 to forecast the water pumps sales for February through May. Assume that the forecast for January was for 25 units. [4 marks) Month January February March April Air-condition sales 28 72 98 126

Answers

Therefore, using simple exponential smoothing with a = 0.75, the forecast for water pump sales for February through May are:- February: 26.5 units,  March: 37.63 units, April: 72.66 units.

To use simple exponential smoothing with a = 0.75, we first need to calculate the forecast for January:
F1 = 25 (given)
Next, we calculate the forecast for February using the formula:
F2 = a * Y1 + (1 - a) * F1
F2 = 0.75 * 28 + 0.25 * 25
F2 = 26.5 (rounded to one decimal place)
We repeat this process for each month, using the previous month's forecast and the actual sales data for the current month. The results are as follows:
Month      Actual Sales    Forecast
-------------------------------------
January           28          25
February          72          26.5
March             98          37.63
April            126          72.66
- May: 101.17 units
Hi, I'd be happy to help you with your question. To use simple exponential smoothing with a smoothing constant α = 0.75 to forecast the water pump sales for February through May, given that the forecast for January was 25 units, follow these steps:
Step 1: Start with the given forecast for January, which is 25 units.
Step 2: Calculate the forecast for February using the formula:
Forecast_February = α * (Actual_January) + (1 - α) * Forecast_January
Step 3: Calculate the forecast for March using the formula:
Forecast_March = α * (Actual_February) + (1 - α) * Forecast_February
Step 4: Calculate the forecast for April using the formula:
Forecast_April = α * (Actual_March) + (1 - α) * Forecast_March
Step 5: Calculate the forecast for May using the formula:
Forecast_May = α * (Actual_April) + (1 - α) * Forecast_April
Please note that you have provided sales data for air-conditioning sales, but the question is about water pump sales. If you meant to ask about air-conditioning sales, you can use the given sales data to calculate the forecasts for February through May. If you need help with water pump sales, please provide the correct sales data for January through April, and I will gladly help you with the calculations.

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what is the image of
(0,3) after a dilation by a scale factor of

2 centered at the origin? PLEASE HURRY ITS DUE TODAY :((

Answers

The image of the point (0, 3) after dilation by a scale factor of 2 centered at the origin is (0, 6).

What is the image of (0,3) after a dilation by a scale factor of 2 centered at the origin?

Dilation is a transformation in which a figure is enlarged or reduced by a scale factor.

We are to find the image of (0,3) after a dilation by a scale factor of 2 centered at the origin.

The scale factor is 2, which means the figure will be enlarged.

To find the image of (0, 3) after dilation, we multiply its x-coordinate and y-coordinate by 2.

Hence;

(0, 3)

Multiply the coordinates by 2.

(0 × 2, 3 × 2)

= (0, 6)

Therefore, the image after dilation is (0, 6).

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9x9x9x9x9x9x9x9x9x9x9x9xx99x9x9x999999xx99x

Answers

Answer: 2.2197307e+25

Step-by-step explanation: I just times it

A florist wants to determine if a new additive would help extend the life of cut flowers longer than the original additive. The florist randomly selects 20 carnations and randomly assigns 10 to the new additive and 10 to the original additive. After three weeks, 6 carnations placed in the new additive still looked healthy and 2 carnations placed in the original additive still looked healthy. The difference in proportions (new – original) for the carnations that still looked healthy after three weeks was 0. 4. Assuming there is no difference in the additives, 200 simulated differences in sample proportions are displayed in the dotplot. Using this dotplot and the difference in proportions from the samples, is there convincing evidence that the new additive was more effective?

A Yes, because a difference in proportions of 0. 4 or more occurred 7 out of 200 times, meaning the difference is statistically significant and the new additive is more effective.

B Yes, because a difference in proportions of 0. 4 or less occurred 193 out of 200 times, meaning the difference is statistically significant and the new additive is more effective.

C No, because a difference in proportions of 0. 4 or more occurred 7 out of 200 times, meaning the difference is not statistically significant and the new additive is not more effective.

D No, because a difference in proportions of 0. 4 or less occurred 193 out of 200 times, meaning the difference is not statistically significant and the new additive is not more effective

Answers

Yes, since the new additive is more efficient and a proportional difference of 0.4 or more occurred 7 times out of 200, making the difference statistically significant. The correct answer is A) .

The dotplot can be used to determine whether the 0.4 observed proportional difference is statistically significant. Few dots are at or above 0.4 in any direction, as can be seen by looking at the dotplot. In particular, it appears that there are no dots to the left of the observed difference and only roughly 7 dots that are at or beyond 0.4. Therefore, at the 5% level of significance, the observed proportional difference of 0.4 is statistically significant. Hence the correct answer is option: A.

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Part A: Complete the square to rewrite the following equation in standard form. Show all
necessary work. (6 points)
x² - 4x + y² + 8y = -4
Part B: What are the center and radius of the circle? (4 points)

Answers

Answer:

A) (x - 2)² + (y + 4)² = 4²B) The center is (2, - 4), radius is r = 4 units

-----------------------------

Standard form for the equation of a circle is:

(x − h)² + (y − k)² = r²,

where the center is (h, k) and the radius is r units.

Part  A

Complete the square by adding missing parts of the identity:

(a ± b)² = a² ± 2ab + b²

Apply this to the given equation:

x² - 4x + y² + 8x = - 4x² + 2(-2)(x) + (-2)² + y² + 2(4)(y) + 4² = - 4 + (-2)² + 4²(x - 2)² + (y + 4)² = - 4 + 4 + 4²(x - 2)² + (y + 4)² = 4²

Part B

As per the standard form, the center is (h, k) = (2, - 4) and radius is r = 4 units.

С
Complete each statement given w = 2(cos(90°) + i sin (90°)) and z= √ (cos(250) + i sin(225°)).

Answers

Answer:

To complete each statement, we will need to perform some operations on the given complex numbers w and z.

1. Find w^3:

We can use De Moivre's theorem to raise w to the third power:

w^3 = [2(cos(90°) + i sin(90°))]^3

= 2^3(cos(90°3) + i sin(90°3))

= 8(cos(270°) + i sin(270°))

Therefore, w^3 = 8(cos(270°) + i sin(270°)).

2. Simplify z^2:

To simplify z^2, we can use the identity cos(2θ) = 2cos^2(θ) - 1 to simplify the cosine term:

z^2 = [√(cos(250°) + i sin(225°))]^2

= cos(2250°) + i sin(2225°)

= cos(500°) + i sin(450°)

= cos(140°) - i sin(90°)

Therefore, z^2 = cos(140°) - i sin(90°).

Note: We can also simplify the square root of the cosine term using the identity cos(2θ) = 1 - 2sin^2(θ), but this would result in a more complicated expression for z^2.

3. Find the product wz:

We can simply multiply w and z using the distributive property:

wz = 2(cos(90°) + i sin(90°)) * √(cos(250°) + i sin(225°))

= 2√(cos(90°)cos(250°) - sin(90°)sin(250°) + i(cos(90°)sin(250°) + sin(90°)cos(250°)))

= 2√(-sin(250°) + i cos(250°))

Therefore, wz = 2√(-sin(250°) + i cos(250°)).

One of the legs of a right triangle measures 16 cm and the other leg measures 2 cm. Find the measure of the hypotenuse. If necessary, round to the nearest tenth.

Answers

Answer: 16.1 cm

Step-by-step explanation:

Attached below is a diagram of the triangle.

If you have two legs, you can find the hypotenuse of the right triangle by using the Pythagorean Theorem.

Pythagorean Theorem: a² + b² = c²

Let's set

a = 16 cm

b = 2 cm

So we get,

16² + 2² = c²

256 + 4 = c²

260 = c²

Take the square root of both sides to get c. Since you are taking the square root, there are two answers, positive and negative, but a side length can not be negative.

[tex]\sqrt{260}[/tex] = c

Input this into your calculator, and you get

c = 16.1245155 cm

Rounding to the nearest tenth you get c = 16.1 cm

a data analyst is using a function in a spreadsheet. when they input the function, they follow a predetermined structure that includes all required information for the function and its proper placement. what aspect of a function does this describe?

Answers

Analyst input the function, they follow a predetermined structure that includes all required information for the function and its proper placement. so, syntax  of a function does this describe.

What is syntax?

Syntax is a predetermined structure that includes all required information and its proper placement.

A formula in Excel is used to do mathematical calculations. Formulas always start with the equal sign = typed in the cell, followed by your calculation.

In the syntax of all Excel functions, an argument enclosed in [square brackets] is optional, other arguments are required. Meaning, your Sum formula should include at least 1 number, reference to a cell or a range of cells. For example: =SUM(B2:B6) - adds up values in cells B2 through B6.

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What must you prove first before you can prove something is a rectangle or a rhombus?

Answers

Before proving that a shape is a rectangle or a rhombus, you must first prove that it is a parallelogram by showing that its opposite sides are parallel and then use specific properties to prove its rectangle or rhombus nature.

Before proving that a given shape is a rectangle or a rhombus, you must first prove that it is a parallelogram. A parallelogram is a quadrilateral with opposite sides parallel to each other. To prove that a shape is a parallelogram, you can show that its opposite sides are parallel by using the slope formula or by showing that the opposite sides have the same length and are parallel to each other.

Once you have established that a shape is a parallelogram, you can then proceed to prove whether it is also a rectangle or a rhombus. To prove that a shape is a rectangle, you must show that it is a parallelogram with four right angles. To prove that a shape is a rhombus, you must show that it is a parallelogram with four sides of equal length.

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To prove that a quadrilateral is a rectangle or a rhombus, you must first establish some key properties. For a rectangle, you need to prove that it has four right angles and opposite sides are parallel. For a rhombus, you must demonstrate that all four sides are of equal length and opposite sides are parallel.

Before proving that something is a rectangle or a rhombus, you must first prove that it is a parallelogram. This means showing that opposite sides are parallel and congruent in length. Once this is established, you can then prove additional properties to determine whether the shape is a rectangle (where all angles are 90 degrees) or a rhombus (where all sides are congruent).
To prove that a quadrilateral is a rectangle or a rhombus, you must first establish some key properties. For a rectangle, you need to prove that it has four right angles and opposite sides are parallel. For a rhombus, you must demonstrate that all four sides are of equal length and that opposite sides are parallel. Once these properties are verified, you can confidently classify the shape as a rectangle or a rhombus.

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Each statement can be represented with a fraction and a division expression. Move the correct fraction and division expression to each line.

There are 5 identical pieces cut from 3 feet of rope. The length, in feet, of each piece of rope is____ or ____

There are 2 muffins shared equally by 3 friends. The amount of muffin that each friend gets is ____ or ____


pls answer quick! I will give brainiest to whoever is right

Answers

Answer:

act back its also known as act or tactics

GIVING 50 POINTS, BRAINLYEST, 5 STARS, AND THANKS IF YOU ANSWER CORRECTLY!!!
A coin is flipped at the start of every game to determine if Team A (heads) or Team B (tails) will get the ball first.

Part A: Find the theoretical probability of a fair coin landing on heads. (2 points)

Part B: Flip a coin 15 times and record the frequency of each outcome. (4 points)

Part C: Determine the experimental probability of landing on heads. (4 points)

Part D: Compare the theoretical and experimental probabilities. Explain your answer. (2 points)

Answers

Answer:

Part A:  1/2 or 0.5

Part B: heads is 8, tails is 7.

Part C: 8/15 or 0.533.

Part D: The theoretical and experimental probabilities are close but not exactly the same. This is because the theoretical probability is based on an ideal situation where the coin is fair, and the outcomes are equally likely. The experimental probability is based on actual data that may vary due to chance or other factors. The more trials we perform, the closer the experimental probability will get to the theoretical probability. It's like when you practice a skill and get better at it over time, but you still make mistakes sometimes.

Step-by-step explanation:

Part A: The theoretical probability of a fair coin landing on heads is 1/2 or 0.5. This is because there are two possible outcomes (heads or tails) and only one favorable outcome (heads). This is also the same probability of me winning the lottery, finding a unicorn, or getting a date.

\(∘-∘)/ <-------- single pringle

Part B: I flipped a coin 15 times and got the following results:

H T H H T T H H T H T H T T H

or (in a more orderly fashion)

HHHHHHHH

TTTTTTT

The frequency of heads is 8 and the frequency of tails is 7. This means that I was slightly luckier than average, but not enough to make a difference. Maybe I should have used a different coin, or a different hand, or a different day.

Part C: The experimental probability of landing on heads is the ratio of the frequency of heads to the total number of trials. In this case, it is 8/15 or 0.533. This is slightly higher than the theoretical probability, but still within the margin of error. It's like when you order a pizza and get one extra slice, but it's the one with pineapple.

Part D: The theoretical and experimental probabilities are close but not exactly the same. This is because the theoretical probability is based on an ideal situation where the coin is fair, and the outcomes are equally likely. The experimental probability is based on actual data that may vary due to chance or other factors. The more trials we perform, the closer the experimental probability will get to the theoretical probability. It's like when you practice a skill and get better at it over time, but you still make mistakes sometimes.

✧☆*: .。. That's all folks, have fun with math! (✧ω✧) .。.:*☆✧

2. Given: MNOP is a rectangle.
Show: The diagonals bisect each other, and the diagonals are congruent.
M
a

Answers

AC and BD are  the diagonals of the MNOP, the diagonals of the rectangle MNOP bisect each other and are congruent.

 What is a rectangle and its properties?

 A rectangle and a rectangle  are quadrilaterals that share the following properties: Opposite sides are equal. Two diagonals are the same length. It has two  class 2 reflection symmetries and a rotational symmetry (through 180°).  To show that the diagonals of a rectangle bisect each other and are congruent, we can use the following proof:

Proof:

Let MNOP be a rectangle whose diagonal MO and diagonal NP intersect at  Q.

First we  show that the diagonals bisect each other. Since MNOP is a rectangle, we know that opposite sides are parallel and congruent. Therefore, we can draw segment MP and segment NO which are both parallel  and congruent to each other.

Now consider the triangle MON. Since segment MP is parallel to segment NO, we know that angles MNO and MON are alternate interior angles and are congruent. Similarly, the angles NMO and ONM are also congruent. Therefore, triangle MON is an isosceles triangle with legs MO and NO. This means that the height drawn from Q to the side MN (which is the perpendicular bisector of MO and NO) bisects MO and NO. Similarly, the height drawn from Q to the side OP bisects OP. Therefore we have shown that the diagonals of a rectangle bisect each other.

 Next, we  show that the diagonals are congruent. Since MNOP is a rectangle, we know that opposite sides are parallel and congruent. Therefore, MP is compatible with NO and MO is compatible with NP. Using the fact that the diagonals bisect each other, we can write:

MQ = QO (because the height drawn by Q to the side MN divides MO and NO)

and

NQ = QP (because the height drawn from Q to the side OP divides NP and MO)

Combining these two equations, we get:

MQ + NQ = QO + QP

But we also know that MO is NP-consistent, so we can substitute:

MQ+ NQ = MO + MO

Simplification:  

MQ + NQ = 2MO

Therefore, we have shown that the diagonals of a rectangle are congruent.  Therefore, we have shown that the diagonals of a rectangle bisect each other and are congruent as necessary.

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find the equation of a line which passes through the point (0,3) and (6,0)​

Answers

Answer:

y=-0.5x+3

Step-by-step explanation:

The equation of a line is

y=mx+b, with m being the slope, and b being the y-intercept

The slope is -0.5, and the y intercept is 3

so:

y=-0.5x+3

Answer:

y= -1/2x+3

Expiation:

you can find the equation between two points by using the slope formula and the slope intercept form which is y=mx+b.

Todd throws a ball from his tree house. The height in feet of the ball, h(t), above the ground after t seconds is modeled by the function h(t) = −3t2 + 9t + 12. Select the appropriate domain for the function.
A. 0 ≤ t ≤ 4
B. 0 ≤ t ≤ 12
C. t ≥ 0
D. 0 ≤ t ≤ 18.75

Answers

The solution of the given problem of function comes out to be Option C,  t ≥ 0, which is the proper domain for the specified function

Explain function.

Each subject will include a range of problems on the final exam covering both real and fictitious locations as well as the formation of numerical factors. a diagram illustrating the connections between various components that work together to produce the same outcome. A service is made up of several individual components that work together to produce unique outcomes for each input.

Here,

In order to represent the height of the ball above the ground after t seconds, the function

=>  h(t) = -3t² + 9t + 12

has the correct domain of C. t ≥ 0.

Reason: Since time (t) here refers to the duration in seconds since the ball was thrown, it cannot be negative.

Therefore, t values greater than or equal to 0 should be the only values allowed in the function's domain.

Option C,  t ≥ 0, is the proper domain for the specified function and accurately represents this limitation.

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Choose ALL answers that describe

Answers

The answer choices which fit into the descriptions as given in the task content are; Squares and Rhombus.

Which answer choices describe the given quadrilateral?

It follows from the task content that the given quadrilateral is such that; FG || HI, GH || IF and FH = GI. However, since the diagonals are perpendicular.

Consequently, it can be inferred that the diagonals of squares and Rhombuses are perpendicular. On this note, the shapes which best align with the given descriptions are; Square and Rhombus.

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WILL MARK BRAINLIEST!!
A number pattern is shown below.
Please create an equation for the pattern, and find what the difference between the last number in row 6 and the first number in row 6 is. Show or explain your work.

Answers

The last number in row 6 is 58. The difference between the last number in row 6 and the first number in row 6 is 10

How to solve

To find the equation for the pattern, let's first observe the pattern in the given rows:

Row 2: 8 10 (difference = 2)Row 3: 15 17 19 (difference = 2)Row 4: 24 26 28 30 (difference = 2)Row 5: 35 37 39 41 43 (difference = 2)

We notice that the difference between the consecutive numbers in each row is 2.

Now let's observe the first number in each row:

Row 2: 8 (24)Row 3: 15 (35)Row 4: 24 (46)Row 5: 35 (57)

It seems that the first number in each row can be calculated by multiplying the row number by (row number + 2). So, for row 6, the first number would be:

6 * (6 + 2) = 6 * 8 = 48

Now let's calculate the remaining numbers in row 6:

Row 6: 48 50 52 54 56 58 (difference = 2)

The last number in row 6 is 58. The difference between the last number in row 6 and the first number in row 6 is:

58 - 48 = 10


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Use a linear regression algorithm to determine the equation for the line of best fit for the data in the table.

a. Identify the correlation coefficient.

b. What type of correlation exists for the data?

Answers

a. The correlation coefficient: -0.184

b. The correlation coefficient r ≈ -0.184, which is close to 0. This suggests that there is a weak negative correlation between the x and y values in the data.'

How to solve

To find the line of best fit using a linear regression algorithm, we need to find the slope (m) and y-intercept (b) of the equation in the form y = mx + b.

We will start by calculating some statistics from the given data.

First, let's find the means of x and y:

x_mean = (1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9) / 9 = 45 / 9 = 5

y_mean = (8 + 4.037 + 7.200 + 4.180 + 4.763 + 1 + 1.047 + 2.436 + 1.844) / 9 ≈ 34.507 / 9 ≈ 3.834

Next, we need to find the sum of the product of the differences between each point and the mean for both x and y:

Σ((x - x_mean) * (y - y_mean)) = (1 - 5) * (8 - 3.834) + (2 - 5) * (4.037 - 3.834) + ... + (9 - 5) * (1.844 - 3.834) ≈ -8.311

We also need to find the sum of the squared differences between each x and the mean of x:

Σ((x - x_mean)^2) = (1 - 5)^2 + (2 - 5)^2 + ... + (9 - 5)^2 = 60

Now, we can calculate the slope (m):

m = Σ((x - x_mean) * (y - y_mean)) / Σ((x - x_mean)^2) ≈ -8.311 / 60 ≈ -0.1385

To find the y-intercept (b), use the formula:

b = y_mean - m * x_mean ≈ 3.834 - (-0.1385) * 5 ≈ 4.525

Now we have the line of best fit equation:

y = -0.1385x + 4.525

a. To find the correlation coefficient (r), we need to divide the covariance of x and y by the product of the standard deviations of x and y.

First, let's find the covariance:

cov(x, y) = Σ((x - x_mean) * (y - y_mean)) / (n - 1) ≈ -8.311 / 8 ≈ -1.039

Next, find the standard deviations of x and y:

sd_x = sqrt(Σ((x - x_mean)^2) / (n - 1)) = sqrt(60 / 8) ≈ 2.738

sd_y = sqrt(Σ((y - y_mean)^2) / (n - 1))

sd_y = sqrt((8 - 3.834)^2 + (4.037 - 3.834)^2 + ... + (1.844 - 3.834)^2) / 8 ≈ sqrt(33.904) / 8 ≈ sqrt(4.238) ≈ 2.058

Now we can calculate the correlation coefficient:

r = cov(x, y) / (sd_x * sd_y) ≈ -1.039 / (2.738 * 2.058) ≈ -0.184

b. The correlation coefficient r ≈ -0.184, which is close to 0. This suggests that there is a weak negative correlation between the x and y values in the data.'

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5. 5 boys and 5 girls sit in a row in a random order (each order is equally likely). what is the probability that no two people of the same sex sit next to each other?

Answers

the probability that no two people of the same sex sit next to each other is 2/7.

One way to solve this problem is to use the principle of inclusion-exclusion. Let A be the event that the boys sit next to each other, and let B be the event that the girls sit next to each other. Then, we want to find the probability of the complement of (A or B), which is the probability that neither A nor B occurs.

The probability of A occurring is the same as the probability of the 5 boys sitting in a row, which is 5! (since each order is equally likely). Similarly, the probability of B occurring is 5!. However, we need to subtract the probability of A and B occurring simultaneously. This can be seen as follows: once the boys are seated in a row, there are 6 spaces (between or on the ends) where the girls can be seated. Thus, the probability of A and B occurring is 2*5!*6.

Therefore, the probability of neither A nor B occurring (i.e., the probability that no two people of the same sex sit next to each other) is:

P(neither A nor B) = 1 - P(A or B) = 1 - [P(A) + P(B) - P(A and B)]

= 1 - [(25!) / 10! - (25!6) / 10!]

= 1 - [25!*(1 - 6/9!)]

= 2/7

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A single 6-sided die is rolled which BEST describes the probability of rolling a number 4 or less


A. likely

B.impossible

C.certain

D. unlikely

Answers

A. Likely since the probability will be 4/6 it’s not impossible since those values exist and not certain because you could roll a 5 or a 6 and not unlikely because 4/6 is bigger than 2/6.

Jason is making 30 sundaes with mint, chocolate, and vanilla ice cream. 1/5 of the sundaes are mint ice cream and 1/2 of the remaining sundaes are chocolate. The rest will be vanilla. How many sundaes will be vanilla?​

Answers

Hi

1/5 is mint  : so  30*1/5 = 6

1/2 of what remain is chocolate :  which mean  (30-6) /2 = 24/2 = 12

So vanilla will be :  30-6-12 =  30-18 = 12

recap :  6 mint, 12 chocolate and 12 vanilla.

URGENT - Will also give brainliest to simple answer​

Answers

Answer:

The answer for the Area is 8

Step-by-step explanation:

Area of semi circle =1/2pir²

r=d/2=8/2=4

A=1/2×4²

A=1/2×4×4

A=2×4

A=8

Answer:

32 or 100.53

Step-by-step explanation:

*assuming 8 is radius and not diameter*

A = [tex]r^{2}[/tex]

r = 8

[tex]8^{2} = 64[/tex]

A = 64 or ≈201.062

divide by 2 for half of the circle

32 or 100.53

Select all the sets of transformations that result in the same image when performed in any order.

Answers

The sets of transformations that result in the same image when performed in any order are:

Translation, dilation with center (0,0)

Two translations

What is transformation?

In mathematics, a transformation refers to a process that changes the size, shape, position, or orientation of a geometric figure or an object in a coordinate plane or space. There are several types of transformations, such as translation, rotation, reflection, and dilation, which are used to alter the original figure to create a new one that is similar or congruent to the original. Transformations are used in geometry, algebra, and other branches of mathematics to study and understand various properties of geometric shapes and objects.

Here,

For the first set, if we perform a translation followed by a dilation with center (0,0), the result will be the same as if we perform the dilation first followed by the translation. This is because the dilation does not change the direction of the translation, and the center of dilation is at the origin, so the translation is unaffected.

For the second set, any two translations can be combined to form a single translation, so the order in which they are performed does not matter.

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