The original number that satisfies the condition the square of a non-zero number is equal to 68% of the original number is 1.68.
How are algebraic expression formed?Variables and constants are used to create algebraic expressions using a variety of techniques.
It is a mathematical expression made up of terms and includes variables, constants, and algebraic operations like addition, subtraction, etc. When operations like addition, subtraction, multiplication, division, etc. are performed on any variable, the resulting equations are called algebraic expressions.
An algebraic expression (or variable expression) is the name given to a grouping of terms that have undergone operations including addition, subtraction, multiplication, and division.
Let us suppose a non zero number = x.
Given that, the square of a non-zero number is equal to 68% of the original number.
This can be represented algebraically as follows:
x² = x(1 + 68/100)
x² = x(1 + 0.68)
x² = x(1.68)
x = 1.68
Hence, the original number that satisfies the condition the square of a non-zero number is equal to 68% of the original number is 1.68.
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Why is the length of the base of a rectangle the same as the circumference of the circles in the net of a cylinder?
The net of a cylinder is a 2-dimensional representation of a 3-dimensional cylinder that has been "unwrapped" and laid flat. The net consists of two circles (representing the top and bottom of the cylinder) and a rectangle (representing the side of the cylinder).
The length of the base of the rectangle in the net of a cylinder represents the circumference of the cylinder, which is the distance around the circular base of the cylinder. The circumference of a circle is calculated using the formula C = 2πr, where C is the circumference, π is a mathematical constant approximately equal to 3.14, and r is the radius of the circle.
In the net of a cylinder, the base of the rectangle is the same as the circumference of the circles because it is equal to the distance around the circular base of the cylinder. The width of the rectangle represents the height of the cylinder, which is the same as the distance between the top and bottom circles.
Answer:
Therefore, the length of the base of a rectangle in the net of a cylinder is the same as the circumference of the circles because it represents the distance around the circular base of the cylinder.
determine whether the data described below are qualitative or quantitative and explain why. the numbers of cases of flu treated at a certain hospital in different years
The data described, the numbers of cases of flu treated at a certain hospital in different years, are quantitative data.
Why is this quantitative data ?Quantitative data is any data that can be measured or expressed in numerical terms. In this case, the data is expressed as the number of cases of flu treated at the hospital in different years. This type of data can be analyzed using mathematical and statistical methods to obtain insights and patterns.
The information provided, specifically the numbers of flu cases treated at a certain hospital in various years, is quantitative information because it is expressed numerically.
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3. Suppose that the supply and demand for milk are given by the following equations where Q is the quantity in units of milk and P is the price per unit of milk:
Supply of Milk: Q = 0.50P – 3
Demand for Milk: Q = 27 – 0.30P
Algebraically (mathematically) determine the equilibrium price and quantity in the milk market. Show all work. (6 pts.)
The equilibrium price and quantity in the milk market are $37.5 and $15.75
What is Market equilibrium?When you combine the supply and demand curves, there is a point where they intersect; this point is called the market equilibrium. The price at this intersection is the equilibrium price, and the quantity is the equilibrium quantity.
Given that, the equations for that the supply and demand for milk:
Supply of Milk: Q = 0.50P - 3
Demand for Milk: Q = 27 - 0.30P
We need to find the equilibrium price and quantity in the milk market.
Market equilibrium is struck when:
Market Demand = Market supply
Therefore,
Market equilibrium =
0.50P - 3 = 27 - 0.30P
0.50P + 0.30P = 30
0.80P = 30
P = 37.5
Equilibrium price = 37.5
Put P = 37.5 in equation 0.50P - 3,
0.50(37.5)-3 = 15.75
Equilibrium quantity = 15.75
Hence, the equilibrium price and quantity in the milk market are $37.5 and $15.75
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evaluate the expression. 1.25*0.9-1.25*0.3+1.25*0.4
The expression when evaluated is 1.25
How to evaluate the expressionFrom the question, we have the following parameters that can be used in our computation:
1.25*0.9-1.25*0.3+1.25*0.4
Evaluate the products in the expression
So, we have the following representation
1.25*0.9-1.25*0.3+1.25*0.4 = 1.125 - 0.375 + 0.5
Evaluate the like terms
1.25*0.9-1.25*0.3+1.25*0.4 = 1.25
Hence the solution is 1.25
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A 7 in. medium-angle grinder is on sale for $117.60 and is marked as being 20% off. What was the original list price?
(Type a whole number or an exact decimal. If the decimal does not terminate round two decimal places)
Answer:
the original list price of the grinder was $147
Step-by-step explanation:
If the sale price is 20% off the original price, then the sale price is 100% - 20% = 80% of the original price. We can set up the equation:
Sale price = 0.8 * original price
We know the sale price is $117.60, so we can substitute and solve for the original price:
117.60 = 0.8 * original price
original price = 117.60 / 0.8
original price = 147
Therefore, the original list price of the grinder was $147.
The Serenity and the Mystic are sail boats. The Serenity and the Mystic start at the same point and travel away from each other in opposite directions. The Serenity travels at 13 mph and the Mystic travels at 21 mph. How far apart will they be in 2 hours?
After 2 hours, the Serenity and Mystic sailboats will be 68 miles apart. To determine how far apart the Serenity and Mystic sailboats will be after 2 hours, we need to calculate the total distance each boat will travel in that time.
How to calculate distance?The distance that the Serenity travels is:
distance = rate x time = 13 mph x 2 hours = 26 miles
The distance that the Mystic travels is:
Distance = rate x time = 21 mph x 2 hours = 42 miles
To use this formula, you need to know the rate at which the object is traveling and the time it has been traveling.
Simply multiply the rate by the time to calculate the distance traveled.
Since they are traveling in opposite directions, we can add these distances to find the total distance between them:
total distance = distance traveled by Serenity + distance traveled by Mystic
total distance = 26 miles + 42 miles
total distance = 68 miles
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I am trying to get help with math
Answer:
ok what is the question to your math equation then..?
Answer:study
Step-by-step explanation:
Mary invests $600 in a high-interest savings account. In the first year, the value of her savings increases by 8%. In the second year, there is a further increase of 8%. What is the total value of her investment after two years? Round your answer to the nearest dollar.
Answer:
Therefore, the total value of Mary's investment after two years is $700.
Step-by-step explanation:
To calculate the total value of Mary's investment after two years, we need to calculate the value of the investment after the first year, and then use that value to calculate the value after the second year.
In the first year, the value of the investment increases by 8%, so the value after the first year is:
Value after first year = $600 + 8% of $600
Value after first year = $600 + 0.08 * $600
Value after first year = $648
In the second year, the value of the investment increases by another 8%, so the value after the second year is:
Value after second year = Value after first year + 8% of Value after first year
Value after second year = $648 + 0.08 * $648
Value after second year = $699.84
Rounding to the nearest dollar, the total value of Mary's investment after two years is:
Total value after two years = $700
Help Pls!!
Graph the function f(x) = 3 sec 2θ - 2. Be sure to specify the value of the amplitude, period, phase shift, and vertical shift, as appropriate. Your graph must have two complete periods to count for full points.
Amplitude a = none
Period = π
Phase shift = none
Vertical shift = -2
What is transformation on the graphs?Let the functions f(x) and g(x) be two real functions.
And g (x) = f (x) + k, where k is real numbers.
The function can be sketched by shifting f (x), k units vertically.
The direction of shift can be found by the value of k:
if k > 0, the base graph shifts k units up, and
if k < 0, the base graph shifts k units down.
Given:
A function,
f(x) = 3 sec 2θ - 2.
The standard form of the function is,
a sec(bx - c) + d.
Here, c is a phase shift and d is a vertical shift.
So, by comparison, we get,
Amplitude a = none
Period = π
Phase shift = none
Vertical shift = -2
Therefore, the graph is given in the attached image.
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The point (a, b) is the top of a rectangle. After a transformation, it maps to the point (-a, b+3), what type of transformations happened?.
The type of transformation that happened is a composition of a reflection across the y-axis followed by a translation upwards by 3 units.
The point (a, b) is the top of a rectangle, which means that the bottom of the rectangle must be at the point (a, c) for some c < b. Let's assume that the rectangle is centered at the origin, so its height is 2b and its width is 2c.
After the transformation, the point (a, b) maps to the point (-a, b+3). We can see that the x-coordinate of the point has been negated, and the y-coordinate has been increased by 3. This suggests that the transformation is a reflection across the y-axis followed by a translation upwards by 3 units.
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The shortest side of a right triangle measures inches. One angle of the triangle measures. What is the length, in inches, of the hypotenuse of the triangle?.
The length of the hypotenuse of the triangle is 6√3 inches
What is the Pythagorean theorem?Pythagorean theorem states that in the right angle triangle, the hypotenuse square is equal to the square of the sum of the other two sides. According to this statement, the areas of the squares on the other two sides add up to the size of the square whose side is the hypotenuse.
The given parameters are:
Angle, θ = 60°
Shortest side = 3√3
The attached diagram illustrates the right triangle, From the diagram, we have:
cos(θ) = Shortest/Hypotenuse
This gives
cos(60°) = 3√3/Hypotenuse
This gives
Hypotenuse = 3√3/cos(60°)
Evaluate cos(60°)
Hypotenuse = 3√3/0.5
Evaluate the quotient
Hypotenuse = 6√3
Hence, the length of the hypotenuse of the triangle is 6√3 inches
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The complete question is given below.
The shortest side of a right triangle measures 3V3 inches. One angle of the triangle measures 60°. What is the length in inches, of the hypotenuse of the triangle?
-12x^5y^2y(10x^3y^4)
-120x^8y^7
To simplify the expression, you can use the product rule of exponents, which states that when you multiply two terms with the same base, you add the exponents.
Here, we have:
-12x^5y^2y(10x^3y^4)
= -12 * 10 * x^5 * x^3 * y^2 * y^5 (using the product rule to simplify y^2 * y^4 to y^6)
= -120x^8y^7 (using the product rule to simplify x^5 * x^3 to x^8)
Therefore, the simplified expression is -120x^8y^7.
A basketball player makes 40% of his shots from the free throw line. Suppose that each of his shots can be considered independent and that he throws 3 shots. Let x = the number of shots that he makes. What is the sample space for x?.
The probability of throwing 3 shots is 100% and the sample space is set of all possible real number.
Probability is the measure of the likelihood that a given event will occur. In this case, the event is a basketball player making a shot from the free throw line.
Since the player has a 40% success rate, we can calculate the probability of him making x number of shots, where x is the number of shots that he throws.
Since the shots are independent of each other, the sample space for x is the set of all possible numbers of shots that he can make, from 0 to the total number of shots (3 in this case).
Therefore, the sample space for x is {0, 1, 2, 3}, which means that the player has a 0% probability of making 0 shots, a 40% probability of making 1 shot, an 80% probability of making 2 shots, and a 100% probability of making all 3 shots
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Question What is the value of the expression? 75÷5−[(9−7)×3]×2 Enter your answer in the box.
Answer:
3
Step-by-step explanation:
9-7=2
2*3=6
6*2=12
75/5=15
15-12=3
Answer:
Therefore, the value of the expression 75÷5−[(9−7)×3]×2 is 138.
Step-by-step explanation:
Using the order of operations (also known as PEMDAS), we simplify the expression as follows:
First, we solve the parentheses: (9-7) = 2.
Next, we multiply 2 by 3: 2 x 3 = 6.
Then, we subtract 6 from 75: 75 - 6 = 69.
Finally, we multiply 69 by 2: 69 x 2 = 138.
Therefore, the value of the expression 75÷5−[(9−7)×3]×2 is 138.
how to rotate 90 degrees around an axis through point g (part b)
The image of the polygon after the rotation is added as an attachment
How to determine the image of the polygonFrom the question, we have the following coordinates that can be used in our computation:
(1, 0), (2, 0), (0, 2) and (2, 2)
The location of point G is
G = (3, -1)
To rotate about point G, we start by subtracting the points from G
So, we have
[(1, 0), (2, 0), (0, 2) and (2, 2)] - (3, -1)
This gives
(-2, 1), (-1, 1), (-3, 3) and (-1, 3)
The rule is 90 degrees clockwise rotation
This is represented as
(x, y) ⇒ (y, -x)
So, we have
(-2, 1), (-1, 1), (-3, 3) and (-1, 3) ⇒ (1, 2), (1, 1), (3, 3) and (3, 1)
Next, we plot (1, 2), (1, 1), (3, 3) and (3, 1)
See attachment for the image of the transformation
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A local bakery celebrated its one-year anniversary on Saturday. On that day, every 4 customer
received a free cookie. Every 6th customer received a free muffin.
3. (20 points) Casey was the 3rd customer to receive both a free cookie and a free muffin. What
number was Casey?
Casey's number is given as follows:
36.
How to obtain Casey's number?Considering periodic events, they will repeat on the same day for the least common factor of the periods of each event.
The periods are given as follows:
Free cookie: Every 4th customer.Free muffin: Every 6th customer.The least common factor of 4 and 6 is obtained as follows:
4 - 6|2
2 - 3|2
1 - 3|3
1
Hence:
lcm(2,3) = 2² x 3 = 12.
This means that one in 12 customers receive both the free cookie and the free muffin. Casey is the third customer to receive both of them, hence the number is given as follows:
3 x 12 = 36.
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Can you help on this math problem
Answer:
k = 11.7
Step-by-step explanation:
Constant of Proportionality
When two quantities y and x are proportional to each other, they are related by the proportionality equation
y = kx
where k is known as the constant of proportionality
The y axis is Money earned in $
x axis is time worked in hours
The relationship is y = kx and we are asked to find k
The constant of proportionality for this graph is nothing but the slope of the graph.
Slope can be found by taking any two points on the graph, determining the difference in y values and dividing by the difference in corresponding x values;
Two points have been chosen for us:
(3, 35.1) and (7, 81.9)
Difference in y values = 81.9 - 35.1 = 46.8 (also known as rise)
Difference in x values = 7 - 3 = 4 (also known as run)
Slope = k = rise/run = 46.8/4 = 11.7
Therefore k = 11.7
Answer: k = 11.7
Step-by-step explanation: hope this helps0^0
32.24 ÷ 2.08 =
What is the answer of this question
Answer:
15.4 is the answer
Stepson
The uniform distribution of a random variable
is given in the figure below.
From the figure, what is P (X < 1.48) or P (X > .2)
?
The probability that X falls inside this range according to the uniform distribution of a random variable is 0.38, or 38%.
what is probability ?The risk that an event will occur or maybe even a claim will now be true is measured by quantum mechanics, a mathematics field. The probability of an occurrence is a value between 0 and 1 and 1, where about range from 0 how likely the event is to occur and value of 1 indicates certainty. A probability is a numerical illustration of something like the possibility that a specific thing will take place. Probabilities can also be expressed using percentages ranging from 0% to 100% or from 0 to 1. the percentage of the number of outcomes to the proportion of occurrences in a full set of equally likely opportunities that lead to a particular occurrence.
given
As the boundaries are 0 and 2, a = 0 and b = 2
The likelihood that X falls between 0.68 and 1.44 is given by the formula P(0.68X1.44) = 1.44- 0.68 / 2-0
= 0.38
The probability that X falls inside this range according to the uniform distribution of a random variable is 0.38, or 38%.
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A square pen is made using four posts on each side. How many posts were used?
Answer:
Step-by-step explanation:
If a square pen is made using four posts on each side, then the total number of posts used can be found by multiplying the number of sides by the number of posts per side. Since there are four sides to a square, we can multiply 4 by 4 to get:
4 x 4 = 16
Therefore, 16 posts were used to make the square pen.
Consider the following pair of points.
(0,−10)
and (1,−3)
Step 2 of 2 : Determine the midpoint of the line segment joining the pair of points.
The midpoint of the line segment is (0.5, -6.5).
Describe Line segment?A line segment is a part of a line that is bounded by two distinct endpoints. It is a finite portion of a line and has a specific length. The length of a line segment is the distance between its two endpoints, which can be calculated using the distance formula.
A line segment can be named by its two endpoints, such as AB or CD. The order of the endpoints is important, as AB and BA refer to two different line segments.
Line segments are often used in geometry and in applications such as computer graphics and image processing. They are important in many mathematical and scientific disciplines, as well as in engineering and design.
To find the midpoint of the line segment joining the pair of points (0, -10) and (1, -3), we need to find the average of their x-coordinates and the average of their y-coordinates.
Average of x-coordinates = (0 + 1)/2 = 0.5
Average of y-coordinates = (-10 + (-3))/2 = -6.5
Therefore, the midpoint of the line segment is (0.5, -6.5).
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Justin left his house at time zero and drove to the store, which is 8 blocks away, at a speed of 4 blocks per minute. Then he stopped and went into the store for 2 minutes.
From there, he drove in the same direction at a speed of 3 blocks per minute until he got to the bank, which is 12 blocks away from the store. He stopped at the bank for 5 minutes. Then he drove home at a speed of 5 blocks every minute. Make a graph of showing the number of blocks away from home that Justin is x minutes after he leaves his house, until he gets back home.
After Justin leaves his house he reaches a maximum distance of 20 blocks away from his house after 7 minutes of being out of his home.
How to graph Justin's displacement?To graph Justin's displacement we must use a Catersian plane. In this case we put the time on the X axis (time) and the distance on the Y axis (blocks). Once we set these parameters, we must put the information on the graph.
In the places where a time takes only the progressing of time without any displacement. Additionally, when you travel it is important to take into account the speed (blocks/minute) that Justin has to obtain a correct graph.
According to the above, after 7 minutes Justin is 20 blocks away from his house and this distance travels in 4 minutes to return home.
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If a customer uses a discount code that offers a 25% discount and free shipping, the hammer will cost $17.25. There is no sales tax if the customer buys the hammer online.
What is the original price of the hammer from the online retailer?
Answer:
The online price with 25% off is $17.25.
The original price is $21.56
To find the original price, you will multiply the discount price by 25%, or 0.25.
0.25 * 17.25 = 4.3125 or 4.31
Now you will ad that to the discount price to find the original price:
4.31 + 17.25 = 21.56
The original price was $21.56.
Step-by-step explanation:
Hope it helps! =D
Answer:
$21.56
Step-by-step explanation:
What is a percentage?A percentage is a ratio, or a number expressed in the form of a fraction of 100. Percentages are often used to express a part of a total.
To solve this, we can multiply the price by 1.25.
17.25 × 1.25 = 21.5625 (21.56 rounded)Why do we multiply by 1.25?We multiply by 1.25 because in order to solve for the original price of an object that was 25% off, we have to add that 25% back. The reason we don't multiply by 0.25 is because if we were to do so, the price would be getting smaller, not larger.
Therefore, the original price is $21.56
Solve equation log(x) +log(x+4)=(32) for x
The value of x for the given equation is x = e³² - 4 / 2.
What is logarithm?The logarithm is exponentiation's opposite function in mathematics. This indicates that the exponent to which b must be raised in order to obtain a number x is the logarithm of x to the base b. For instance, because 1000 is equal to 103, its logarithm in base 10 is 3, or log10 (1000) = 3. When there is no possibility of mistake or when the base is irrelevant, as in big O notation, the logarithm of x to base b is written as logb (x), logb x, or even without the explicit base, log x.
The given equation is log(x) +log(x+4)=(32).
Raise both sides of the equation to the power of e:
[tex]e^{\log x} + e^{\log (x+4)} = e^{32}[/tex]
x + x+ 4 = e³²
2x = e³² - 4
x = e³² - 4 / 2
Hence, the value of x for the given equation is x = e³² - 4 / 2.
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34 Answer:
Solve the equation by a method of your choice:
x2 - 2x - 3 = 0
If there are two solutions, separate the solutions by a comma.
35 Answer:
Solve the equation by a method of your choice:
x2 + 5x + 6 = 0
If there are two solutions, separate the solutions by a comma.
36 Answer:
Solve the equation by a method of your choice:
x2 + 3x - 4 = 0
If there are two solutions, separate the solutions by a comma.
37 Answer:
Solve the equation by a method of your choice:
x2 - 6x + 5 = 0
If there are two solutions, separate the solutions by a comma.
38 Answer:
Solve the equation by a method of your choice:
6x2 + 5x + 1 = 0
If there are two solutions, separate the solutions by a comma.
39 Answer:
Solve the equation by a method of your choice:
4x2 + 15x + 9 = 0
If there are two solutions, separate the solutions by a comma.
40 Answer:
Solve the equation by a method of your choice:
x2 - 36 = 0
If there are two solutions, separate the solutions by a comma.
41 Answer:
Solve the equation by a method of your choice:
x2 + 12x + 36 = 0
If there are two solutions, separate the solutions by a comma.
The quadratic formula can be used to resolve the equation x2 - 2x - 3 = 0.
x=(-b sqrt(b2 - 4ac)) / 2a
where a=1, b=2, and c=3. By replacing these values, we obtain:x = (2 ± sqrt(4 + 12)) / 2
If we simplify, we get:
x = (2 ± 2sqrt(4)) / 2
x = 1 ± sqrt (4)
As a result, x = 1 + 2 and x = 1 - 2 are the solutions.
The following are the answers, separated by commas:
3, -1
[tex]x^2 + 5x + 6 = 0[/tex]
[tex]x^2 + 5x + 6 = 0[/tex]
We can factor this equation into: to find its solution.
(x + 2)(x + 3) = 0
The following answers can therefore be determined using the zero product attribute: x + 2 = 0 or x + 3 = 0.
x = -2 or x = -3
The following are the solutions, each separated by a comma:
-2, -3
36. We can factor the equation to find the solution to x2 + 3x - 4 = 0.
(x + 4)(x - 1) = 0
We can calculate x + 4 = 0 or x - 1 = 0 using the zero product property.
We obtain the following results when we solve for x: x = -4 or x = 1.
Hence, the answers are x = -4 and x = 1.
Solution: -4, 1.
37. We can factor the equation to find the solution to x2 - 6x + 5 = 0.
(x - 5)(x - 1) = 0
We can calculate x - 5 = 0 or x - 1 = 0 using the zero product condition.
We obtain x = 5 or x = 1 when we solve for x.
Hence, the answers are x = 5 and x = 1.
Respondents: 5
38. We can apply the quadratic formula x = (-b (b2 - 4ac)) / 2 to solve 6x2 + 5x + 1 = 0. (2a)
We obtain the following equation by plugging in the variables a = 6, b = 5, and c = 1: x = (-5 (25 - 24)) / 12 x = (-5 1) / 12
We obtain x = -2/3 or x = -1/2 by simplifying.
The answers are therefore x = -2/3 and x = -1/2.
Solution: -2/3, -1/2
39. The equation 4x2 + 15x + 9 = 0 can be factored as follows:
(4x + 3)(x + 3) = 0
In response to the zero product property, we get either 4x + 3 = 0 or x + 3 = 0.
When we solve for x, we have x = -3/4 or -3.
Hence, x = -3/4 and x = -3 are the answers.
Response: -3/4, -3
[tex]40. x^2 - 36 = 0[/tex]
This problem can be solved by adding 36 to both sides to obtain:
x^2 = 36
The square root of both sides can then be calculated as follows:
x = ±6
As a result, the answers are x = 6 and x = -6.
The following are the answers, separated by commas:
6, -6
[tex]41. x^2 + 12x + 36 = 0[/tex]
We can factor this equation into: to find its solution.
(x + 6)(x + 6) = 0
The zero product attribute can then be used to identify the answers:
x + 6 = 0
x = -6
Hence, the answer is x = -6. There is just one solution because both components in the factored form are identical.
The answer is: -6.
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The scatter plot shows the number of strawberries that have been picked on the farm during the month of February:
Part A: Using computer software, a correlation coefficient of r = 0.01 was calculated. Based on the scatter plot, is that an accurate value for this data? Why or why not? (5 points)
Part B: Instead of comparing the number of strawberries picked and the day in February, write a scenario that would be a causal relationship for strawberries picked on the farm. (5 points)
Part A. The calculated correlation coefficient is incorrect.
Part B. A causal relationship for strawberries picked on the farm is the relationship between rainfall and number of strawberries picked.
What is scatter-plot?Scatter plots are the graphs that present the relationship between two variables in a data-set. It represents data points on a two-dimensional plane or on a Cartesian system. The independent variable or attribute is plotted on the X-axis, while the dependent variable is plotted on the Y-axis.
Given,
Part A: Using computer software, a correlation coefficient of r = 0.01 was calculated.
Observing the scatter-plot, the data is moderately correlated, as the days increase, the number of strawberries also increase, following upward trend,
r = 0.01 means that 1% of the variation in y is explained by the variation in x.
that means both quantities are very weakly correlated.
but the scatter-plot shows otherwise, so r = 0.01 is not an accurate value for the data.
Part B: Instead of comparing the number of strawberries picked and the day in February, write a scenario that would be a causal relationship for strawberries picked on the farm.
A causal relationship exists when one variable in a data set has a direct influence on another variable. Thus, one event triggers the occurrence of another event. A causal relationship is also referred to as cause and effect.
Here, rainfall could be reasonable variable that can effect the number of strawberries picked. when there is heavy rainfall, strawberries picked will be less.
Thus, the scenario could be:
Amount of rainfall in mm (x) Number of strawberries picked (y)
100 20
50 40
25 80
12.5 160
6.25 320
The amount of rainfall is a cause that affect the number of strawberries picked.
Hence,
The calculated correlation coefficient is false.
Another causal relationship for strawberries picked on the farm can be of rainfall in mm and number of strawberries picked on the farm.
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Graph by writing equations in slope intercept form.
Answer:
1) y = -1x+-1 and 2) y = -1x+-1
Step-by-step explanation:
Slope Intercept Form: y = mx+b (m is slope and b is y-intercept)
1) 8x+8y=-8
8y = -8x+-8
y = -1x+-1
2) 3x+3y =-3
3y = -3x+-3
y = -1x+-1
Find the volume, v of the largest right circular cone that can be inscribed in a sphere of radius, r=18 cm.
The volume of the largest right circular cone that can be inscribed in a sphere of radius 18 cm is approximately 11622.85 cubic centimeters.
To find the largest right circular cone that can be inscribed in a sphere of radius 18 cm, we need to find the cone with the largest possible volume that can fit inside the sphere.
Let's assume that the apex of the cone is at the center of the sphere. Since the cone is a right circular cone, the base of the cone will lie on the surface of the sphere, forming a circle with radius equal to the radius of the sphere, which is 18 cm.
Let's call the height of the cone "h" and the radius of the base of the cone "r". Then we can use the Pythagorean theorem to relate the height, radius, and slant height (which is equal to the radius of the sphere):
r^2 + h^2 = (18 cm)^2
The volume of a cone can be expressed as V = (1/3)πr^2h. We want to maximize this expression subject to the constraint above. We can use the constraint to eliminate one of the variables in the volume expression, then differentiate with respect to the remaining variable and set the derivative equal to zero to find the maximum.
From the constraint, we can solve for h^2:
h^2 = (18 cm)^2 - r^2
Substituting into the volume expression, we get:
V = (1/3)πr^2(18 cm - sqrt(r^2 + h^2))
Simplifying this expression, we get:
V = (1/3)πr^2(18 cm - sqrt((18 cm)^2 - r^2))
Differentiating with respect to r, we get:
dV/dr = (1/3)π(36 cm)r - (1/3)πr^3/sqrt((18 cm)^2 - r^2)
Setting this equal to zero and solving for r, we get:
r = (18 cm)/sqrt(2)
Substituting this value of r back into the expression for h, we get:
h = (18 cm)/sqrt(2)
Finally, substituting these values of r and h into the expression for the volume, we get:
V = (1/3)π((18 cm)/sqrt(2))^2((18 cm) - sqrt(((18 cm)/sqrt(2))^2 + ((18 cm)/sqrt(2))^2))
Simplifying this expression, we get:
V ≈ 11622.85 cubic centimeters
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Find the value of X! Please help
The required value of X is 14
Find the value of y.
y
3 cm
9 cm
2 cm
y = [?] cm
Enter a decimal rounded to the nearest tenth.
Answer:
The value of y is 10 cm