Answer:
-4a² + 7a + 4
Step-by-step explanation:
Subtract -4 + 3a² from 7a - a².
(7a - a²) - (-4 + 3a²) =
= 7a - a² + 4 - 3a²
= -4a² + 7a + 4
Rasheed has four and one-sixth cups of berries. He uses one and three-fourths cups of berries to make a milkshake. He then uses one and one-half cups of berries. After he makes his milkshake and muffins, how many cups of berries will Rasheed have left?
eleven-twelfths cups
one and five-twelfths cups
one and nine-eighteenths cups
one and sixteen twenty-fourths cups
Answer:
11 /16
Step-by-step explanation:
how to convert 4 lbs to kg
4 lbs is approximately equal to 1.8143 kg ( rounded to four decimal places )
The conversion factor to convert lbs to kilogram is 0.453592
1 lbs = 0.453592 kg
The conversion is the process of changing the unit of one quantity to another units
The conversion factor is defined as the number that is used to change one unit to another units by multiplying or dividing
The mass in kg = The mass in lbs × conversion factor
Substitute the values in the equation
1 lbs = 0.453592 kg
4 lbs = 4 × 0.453592
Multiply the numbers
= 1.8143 kg ( rounded to four decimal places )
Therefore, 180lbs is 1.81437 kg
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What is the expected temperature on Febuary 15?
The expected temperature in Peoria Illionis on february 15 is 22.028≈22 degrees farenheit.
Atmospheric Temperature:A measure of the temperature at high elevations in the Earth's atmosphere is called the atmospheric temperature. Many factors, such as incoming solar radiation, humidity, and altitude, affect it.
The average daily temperature in Peoria Illionis can be predicted by given formula ,
[tex]T=50-28cos[\frac{2\pi (x-31)}{365} ][/tex]
where , x is the number of day in year.
February 15 is (31+15)th day of the year
therefore, February 15 1s 46th day of the year.
now in the given formula,
[tex]T=50-28cos[\frac{2\pi (x-31)}{365} ]\\\\T=50-28cos[\frac{2\pi (46-31)}{365} ]\\\\T=50-28cos[\frac{2\pi (15)}{365} ]\\\\T=50-28cos[\frac{30\pi}{365} ]\\\\T=50-28cos[0.258]\\\\T=50-28(0.999)\\\\T=50-27.972\\\\T=22.028[/tex]
So , the expected temperature on february 15 is 22.028≈22 degrees farenheit.
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What is 4/6 +1/8 equal up to
Answer:
[tex]\frac{19}{24}[/tex]
Step-by-step explanation:
You need a common denominator so the pieces are equal sizes. The common denominators is 24
[tex]\frac{4}{6}[/tex] x [tex]\frac{4}{4}[/tex] = [tex]\frac{16}{24}[/tex]
[tex]\frac{1}{8}[/tex] x [tex]\frac{3}{3}[/tex] = [tex]\frac{3}{24}[/tex]
[tex]\frac{16}{24}[/tex] + [tex]\frac{3}{24}[/tex] = [tex]\frac{19}{24}[/tex]
13. The temperature on a heated metal plate positioned in the first quadrant of the zy-plane is given by C(x, y) = 25e -(0–1)2-(3-1) a Assume that temperature is measured in degrees Celsius and that x and y are y each measured in inches. a. Determine Czz(x, y) and Cyy(x, y). Do not do any additional work to algebraically simplify your results. b. Calculate Cz(1.1, 1.2). Suppose that an ant is walking past the point (1.1, 1.2) along the line y=1.2. Write a sentence to explain the meaning of the value of C. (1.1, 1.2), including units. C. Calculate Cyy(1.1, 1.2). Suppose instead that an ant is walking past the point (1.1, 1.2) along the line z=1.1. Write a sentence to explain the meaning of the value of Cyy(1.1, 1.2), including units. d. Determine Czy(x,y) and hence compute Czy(1.1, 1.2). What is the meaning of this value? Explain, in terms of an ant walking on the heated metal plate. =
Answer: a)
C(x,y) = 25e^(-((x-1)^2 + (y-3)^2))
Czz(x,y) = ∂^2C/∂z^2 = 0 (since C does not depend on z)
Cyy(x,y) = ∂^2C/∂y^2 = 50e^(-((x-1)^2 + (y-3)^2))(2(y-3)^2 - 1)
b)
Cz(x,y) = ∂C/∂z = 0
Cz(1.1, 1.2) = 0
The value of Cz(1.1, 1.2) indicates the rate of change of temperature with respect to z at the point (1.1, 1.2), which is zero. In other words, the temperature does not change with respect to the height (z) at this point.
c)
Cyy(1.1, 1.2) = 50e^(-((1.1-1)^2 + (1.2-3)^2))(2(1.2-3)^2 - 1) ≈ -0.138
The value of Cyy(1.1, 1.2) indicates the rate of change of temperature with respect to y at the point (1.1, 1.2), which is approximately -0.138 °C per inch. In other words, as the ant moves along the line y=1.2, the temperature decreases by approximately 0.138 °C per inch.
d)
Czy(x,y) = ∂^2C/∂z∂y = 100e^(-((x-1)^2 + (y-3)^2))(y-3)
Czy(1.1, 1.2) = 100e^(-((1.1-1)^2 + (1.2-3)^2))(1.2-3) ≈ -43.44
The value of Czy(1.1, 1.2) indicates the rate of change of temperature with respect to both z and y at the point (1.1, 1.2), which is approximately -43.44 °C per inch per unit of height. In other words, as the ant moves along the line z=1.1 and simultaneously moves in the y-direction, the temperature decreases by approximately 43.44 °C per inch per unit of height.
Step-by-step explanation:
Why is 587 divided by 187 0, but on the calculator it is 0. 357?
So the reason for the discrepancy between the calculated result and the result obtained by hand is due to how the remainder is being handled.
By hand, the remainder is kept as a separate value, whereas a calculator may display the result as a decimal instead of showing the remainder.
When dividing 587 by 187 by hand, the result would indeed be 0 with a remainder of 16:
3 | 5 8 7
- 5 6 1
-------
2 7 6
2 8 1
-----
9 6
Therefore, the quotient is 0 with a remainder of 16, which can also be written as 0.085 by dividing the remainder (16) by the divisor (187).
However, when using a calculator, it may display the result as a decimal instead of showing the remainder. In this case, the calculator would compute 587 divided by 187 as 3.136, which can be rounded to 0.357 if the result is being displayed to three decimal places.
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Nicolas has 6 blue 9 red and 12 black marbles. He divides all the marbles up into the largest possible number of groups that each have the same number of blue red and black marbles. How many groups of marbles are there?
There are 3 groups of marbles
How many groups of marbles are there?From the question, we have the following parameters that can be used in our computation:
Blue = 6
Red = 9
Blacks = 12
Factor out the numbers
So, we have the following representation
Blue = 2 * 3
Red = 3 * 3
Blacks = 2 * 2 * 3
Using the above as a guide, we have the following:
GCF = 3
Hence, the number of groups is 3
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How to calculate algebra at mathpapa onlien?
The steps to calculate the algebra at Mathpapa online has been explained
Mathpapa is an online algebra calculator that can help you solve equations, graph functions, and perform various algebraic operations. Here's a general guide on how to use Mathpapa to calculate algebra:
Go to the Mathpapa website (mathpapa.com).
Select the type of algebraic problem you want to solve from the options available on the homepage. For example, you can choose to solve an equation, graph a function, or simplify an expression.
Enter the algebraic expression or equation you want to solve in the input field. You can use the on-screen keyboard or type directly on the input field.
Once you have entered the expression or equation, click the "Solve" button to see the solution. If you are solving an equation, the solution will be displayed step-by-step.
If you want to graph a function, enter the function in the input field and click the "Graph" button. You can customize the appearance of the graph by adjusting the axis limits, adding titles and labels, and changing the line color and style.
Mathpapa also provides various tools to help you learn and practice algebra. For example, you can use the practice problems to test your skills, or watch video tutorials to learn specific algebraic concepts.
Overall, Mathpapa is a useful tool for anyone looking to improve their algebra skills or solve algebraic problems quickly and easily.
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What is the conversion of 70c to fahrenheit?
70 °C is equal to 158 °F.
A temperature unit developed from the SI (International System of Units) is the Celsius (symbol: °C).
Prior to the adoption of the metric system, the Fahrenheit (symbol: °F) was a commonly used measurement of temperature.
To convert a temperature from Celsius (°C) to Fahrenheit (°F),
We can use the following formula:
°F = (°C x 1.8) + 32
Where
°F is the temperature in Fahrenheit
°C is the temperature in Celsius.
Substituting 70 for °C,
We get:
°F = (70 x 1.8) + 32
Simplifying the expression:
°F = 126 + 32
°F = 158
Therefore, 70 degrees Celsius is equal to nearly 158 degrees Fahrenheit.
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Please, Help me with this question
Answer:
You selected the correct answer.
Step-by-step explanation:
the expression is the result of applying the change of base formula to a logarithmic expression. which could be the original expression?
The original expression could be log_2(1/3) / log_10(2).
The change of base formula states that:
log_a(x) = log_b(x) / log_b(a)
where a, b, and x are positive real numbers and a, b ≠ 1.
In the given expression, log1/3 / log2, the denominator is log2, which means that the base of the logarithm in the numerator must be 2 raised to some power.
So we can rewrite the logarithmic expression as:
log1/3 / log2 = log_2(1/3) / log_2(2)
Now we can apply the change of base formula, with a = 2, b = 10, and x = 1/3:
log_2(1/3) / log_2(2) = log_10(1/3) / log_10(2)
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Answer: C
Step-by-step explanation:
when we talk about measures of center, we look to the shape of the distribution to decide whether to use the mean or median. when do you think we should use the mean? (pick all that apply)
When the distribution is essentially symmetric or bell-shaped, with no extreme outliers, the mean is a useful measure of the center to employ. This is so because the mean can be impacted by extreme values, which can drive it away from the distribution's center, and is sensitive to the values of all the observations in the data set.
What is mean?In statistics, in addition to the mode and median, the mean is one of the measures of central tendency. Simply put, the mean is the average of the values in the given set. It indicates that values in a particular data set are distributed equally. The three most frequently used measures of central tendency are the mean, median, and mode. Assuming that the data is regularly distributed and that the mean is a suitable measure of center, the mean is often chosen when doing specific statistical procedures, such as linear regression and hypothesis testing.
The median, however, might be a better indicator of the center to utilize if the distribution is skewed or contains severe outliers. In these situations, the median better captures the distribution's midpoint and is less vulnerable to high extremes.
Which center measure to choose ultimately comes down to the specifics of the data collection and the objectives of the investigation.
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Please help me
five subtracted from the product of 6 and a number is less than or equal to 29. Write as an inequality
Answer:
6x-5 ≤ 29
Step-by-step explanation:
Let translate each part of the sentence into an equation or expression.
1. "five subtracted from the product of 6 and a number"
Lets say the "number" is x. The product of 6 and a number would be: 6x'five subtracted from" would be -5So the "five subtracted from the product of 6 and a number" would be 6x-5.2. "is less than or equal to 29"
using just math symbols, this would be ≤ 293. Assemble the two expression into an equation
Combine parts 1 and 2 into an equation.
6x-5 ≤ 29
=============
Extra
6x-5 ≤ 29 can be simplified:
6x ≤ 29+5
6x ≤ 36
x ≤ 6
there is one line on the graph and it is asking for a solution how do i find it?
A cylinder has a radius of 12 m and a height of 9 m. what is the exact volume of the cylinder? responses 108π m³ 108 pi, m³ 216π m³ 216 pi, m³ 972π m³ 972 pi, m³ 1296π m³
The volume of cylinder based on the dimensions of radius and height is 1296π m³.
The volume of cylinder can be calculated by the formula -
V = πr²h, where V refers to volume of the cylinder, r is the radius of the cylinder and h is the height of the cylinder.
Now, keeping the value of the dimensions in the formula to find the volume of cylinder.
V = π × 12² × 9
Taking square and performing multiplication on Right Hand Side of the equation
V = 1296π m³
Note that we have not kept the value of π in the formula to find the exact correct answer. Thus, the volume of 1296π m³.
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HELP MEE PLEASEEEEEE
The third term in the recursive sequence is 9
How to find the third term in the recursive sequence?
A recursive sequence is a sequence of numbers where each term is defined by a formula that uses one or more of the previous terms in the sequence. In other words, each term depends on the term(s) that come before it.
Since a₁ = 3 and [tex]a_{k+1}[/tex]= 2a[tex]_{k}[/tex] - 1
a₂ = 2a₁ - 1
a₂ = 2(3) - 1 = 6 - 1 = 5
a₃ = 2a₂ - 1
a₃ = 2(5) - 1 = 10 - 1 = 9
Thus, the third term in the recursive sequence will be 9
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Help!!! Will give brain list
Answer:
Elimination , $1.79
Step-by-step explanation:
You were correct with elimination! Good job , now to find the cost of fries we have to put elimination in practice. Elimination is subtracting one equation from the other to get the equation of one variable.
4x + 5y = 24.11
-4x + 3y = 20.53
2y = 3.58
2y/2 = 3.58/2
y = 1.79
The 8 students in the Environmental Club represent 5% of the students in the seventh grade. How many students are in the seventh grade?
There are 160 students in the seventh grade.
What is number?Number is a mathematical entity used to represent a computer magnitude it can be symbol or a combination of simple you should in order to take quantity such as the two, five, seven, three or eight number are used to verify the context including counting measuring and computing.
To calculate the number of students in the seventh grade, you must divide the number of students in the Environmental Club by the percentage they represent. The answer is 8 divided by 0.05, which equals 160. Therefore, there are 160 students in the seventh grade.
The Environmental Club provides students with an opportunity to learn more about the natural environment and how to help protect it. The club members work together to come up with ideas to promote environmental awareness and action in their school and community. They plan activities such as tree-planting, trash clean-ups, and educational presentations. The club also participates in activities like field trips to local parks and nature preserves.
By joining the Environmental Club, students can gain a better understanding of their local environment and how to protect it. This can help them become more aware of their actions and how they can make a difference in the world. They can also develop leadership and communication skills, as well as an understanding of the importance of teamwork. Furthermore, they can make friendships and connections with other students who share the same values and interests.
Overall, the Environmental Club is an important part of the school community and provides great benefits to its members. It allows students to gain knowledge, build skills, and make a positive difference in their communities.
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At Trendy Tailor Boutique's annual end-of-season sale, every necktie in the shop gets marked down. Will purchased 7 neckties during the sale. Each necktie cost $8 less than its full price. He paid a total of $147
The equation that is used to find the cost of each necktie is (f - 8) = 21 and the cost is $ 29.
What is the equation:A mathematical statement that has an "equal to" symbol between two expressions with equal values is called an equation.
Coefficients, variables, and, constants terms, and the equal to sign are the parts of an equation. Here the variable will represent the unknown quantity or unknown number.
Here we have
Will purchased 7 neckties during the sale.
He paid a total of $147.
The amount paid for 1 necktie = 147/7 = $ 21
Each necktie cost $8 less than its full price.
Here 'f' be the total price of the necktie
The the amount paid by Will = (f - 8)
Since each necktie costs $ 21
=> (f - 8) = 21
=> f = $ 29
Therefore,
The equation that is used to find the cost of each necktie is (f - 8) = 21 and the cost is $ 29.
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Complete Question:
At Trendy Tailor Boutique's annual end-of-season sale, every necktie in the shop gets marked down. Will purchased 7 neckties during the sale. Each necktie cost $8 less than its full price. He paid a total of $147. Which equation can you use to find f, the cost of each necktie at full price?
which following statement are true about this graph? Check all that apply.
O The three points do not form a straight line
O The three points form a straight line
O The graph passes through the origin
O The graph does not pass through the origin
O The graph shows a proportional relationship
O The graph does not show a proportional relationship
Answer: I think its B, C, and F
Step-by-step explanation: Im not sure but i am so sorry if im wrong
Pls help I need this by the end of today
Rounding to the nearest tenth, we get Average rate of change ≈ -27.5
Describe Average ?In mathematics, an average is a measure of central tendency that represents the typical or common value of a set of data. There are several types of averages, including:
Arithmetic mean: The arithmetic mean is the most commonly used measure of average. It is calculated by adding up all the values in a dataset and dividing by the total number of values. For example, the arithmetic mean of the numbers 1, 2, 3, 4, and 5 is (1 + 2 + 3 + 4 + 5) / 5 = 3.
Median: The median is the middle value in a dataset when the values are arranged in numerical order. If there is an even number of values, the median is the average of the two middle values. For example, the median of the numbers 1, 3, 4, 6, and 7 is 4.
Mode: The mode is the value that appears most frequently in a dataset. If there are multiple values that appear with the same frequency, the dataset is said to have multiple modes. For example, the mode of the numbers 1, 2, 2, 3, and 4 is 2.
Averages are used in a wide range of applications, including statistics, finance, and science. They can help summarize data, identify trends, and make comparisons between different sets of data. However, it is important to note that averages can be affected by outliers or extreme values in a dataset, so it is important to consider other measures of variability and dispersion when analyzing data.
The average rate of change of the cost from the 6th month to the 8th month is given by the expression:
(Amount of change in cost) / (Amount of change in month)
The amount of change in cost from the 6th to the 8th month is:
c(8) - c(6) = 100 - 155 = -55
The amount of change in month from the 6th to the 8th month is:
8 - 6 = 2
Therefore, the average rate of change of the cost from the 6th month to the 8th month is:
(Amount of change in cost) / (Amount of change in month) = -55 / 2 ≈ -27.5
Rounding to the nearest tenth, we get:
Average rate of change ≈ -27.5
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The second angle of the triangle is 25 degrees larger than the first, while the third angle of the triangle is 3 times the second. How big is the first angle? Remember, the sum of the angles in any triangle is 180 degrees.
Answer: look at the image for the answer and the explanation
Step-by-step explanation:
Answer: 16 degrees
Step-by-step explanation:
30 is divided by the sum of 3 and x if the result is 5 find x
Answer: x = 3
Step-by-step explanation: 3 + 3 = 6 ; 30 divided by 6 = 5.
Answer:
x = 3
Step-by-step explanation:
[tex]\frac{30}{3+x}[/tex] = 5 ( models the statement )
multiply both sides by 3 + x
30 = 5(3 + x)
30 = 15 + 5x ( subtract 15 from both sides )
15 = 5x ( divide both sides by 5 )
3 = x
How many triangles can be created with angle measures of 135 degree, 45 degrees, and 10 degrees?
A.One unique triangle.
B.no traingles
c. more than 1 unique traingle
d.cannot be determined
Answer:
The correct answer is A. One unique triangle. This is because the sum of the angles in a triangle must equal 180 degrees, so with the given angles, only one unique triangle can be created.
Answer: A!
Step-by-step explanation:
I did it on a Module Test and it was correct!
are all isosceles triangles similar
Answer:
Step-by-step explanation:
isosceles triangles are all similar in that they have 2 sides that are equal.
however, the angles can differ and so they are not all similar in that term
Complete the puzzle so that each row, column, and diagonal adds up to the same total.
A ball is launched from a 69.92-foot tall platform. The equation for
the ball's height h at time t seconds after launch is h (t) = -16t2 +
6.4t+69.92, where h is in feet. When does the object strike the
ground?
Anaiah is currently consuming 20 eggplants and 30 kiwis. His marginal utility per dollar spent on the 20 th eggplant is 160 utils and his marginal utility per dollar spent on the 30th kiwi is 190 utils. The price of an eggplant is $3 and the price of a kiwi is also $3. He has $180 to spend. How much is Anaiah currently spending on these goods? $ What are the reasons that Anaiah is behaving irrationally? Select all that apply. • He is not spending his entire income • He is spending too much on kiwis • He is not balancing what he spends on each good • His marginal utility per dollar spent is not the same for both goods
Anaiah is currently spending $150 on eggplants and kiwis.
Anaiah is behaving irrationally, because
1) He is not spending his entire income
2) He is spending too much on kiwis
3) He is not balancing what he spends on each good
4) His marginal utility per dollar spent is not the same for both goods.
Currently, Anaiah is spending:
On eggplants: 20 x $3 = $60
On kiwis: 30 x $3 = $90
Total spending: $60 + $90 = $150
Therefore, Anaiah is currently spending $150 on these goods.
The reasons that Anaiah is behaving irrationally are:
He is not spending his entire income: Anaiah has $180 to spend but he is only spending $150, which means he is not maximizing his utility by fully utilizing his budget.
He is spending too much on kiwis: Anaiah's marginal utility per dollar spent on kiwis is lower than his marginal utility per dollar spent on eggplants. Therefore, he should be spending more on eggplants and less on kiwis to maximize his utility.
He is not balancing what he spends on each good: Anaiah is consuming 20 eggplants and 30 kiwis, which means he is not allocating his budget efficiently to maximize his total utility. He should be consuming a combination of eggplants and kiwis that gives him the highest total utility within his budget constraint.
His marginal utility per dollar spent is not the same for both goods: Anaiah's marginal utility per dollar spent on eggplants is 160 utils while his marginal utility per dollar spent on kiwis is 190 utils. Therefore, he should be consuming more eggplants and fewer kiwis to maximize his total utility within his budget constraint.
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I need some help on this question please, thank you.
Answer:
37cm^2
Step-by-step explanation:
Area of rectangle = Length × Width
This shape needs to be split then you simply work out the area of each shape and add it.
Shape 1: 3cm × 5cm = 15cm^2
Shape 2: 2cm × 11cm = 22cm^2
Now add them together: 15cm^2 + 22cm^2 = 37cm^2
What is the conversion of 300 meters to miles ?
The conversion of the units 300 meters to miles is equal to 0.1864miles ( round up to four decimal places ) .
Meters and Miles both are units used to measure the length or the distance between any two or more points.
Conversion factor relating meters and miles is equal to
One meter = 0.000621371 miles
To get the value of 300 meters in miles multiply by converting factor we get,
300 meters
= ( 300 ) × ( 0.000621371 ) miles
= ( 0.1864113 ) miles
= ( 0.1864 ) miles ( round up to four decimals places )
Therefore, the conversion distance 300 meters to miles is given by ( 0.1864 ) miles ( round up to four decimals places ) .
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