Mathematics Middle School

Tell whether the data sets show a direct variation. If so, identify the constant of variation.

Tell Whether The Data Sets Show A Direct Variation. If So, Identify The Constant Of Variation.

Answers

Answer 1

Answer: do the math

Step-by-step explanation:

steps f

Answer 2
Number of baskets would be 3 dollars each

Related Questions

what is 7 is ... of 12 ?

Answers

Answer:

calculate the percentage of 7: divide 7 by 1% value (0.12), and you get 58.33% - it's your percentage grade.

Step-by-step explanation:

the answer to this question is 58.33

Rewrite 14a5b + 7ab2 using a common factor.

7ab(2a5b + 7ab2)
7ab(2a4 + b)
14ab(2a4 + 7ab2)
21a5b(7 + 3ab2)

Answers

Answer:

[tex]7ab(2 {a}^{4} + b)[/tex]

Step-by-step explanation:

We want to pull out common factors.

[tex]14{a}^{5}b[/tex]

[tex]7a{b}^{2}[/tex]

Common factors between 14 & 7? 7

Common factors between a5b & ab2? ab

[tex]7ab(2 {a}^{4} + b)[/tex]

Check

[tex]7ab(2 {a}^{4} + b) \\ 7ab(2 {a}^{4} ) = 14 {a}^{5}b \\ 7ab( b) \: = 7a {b}^{2} \\ = 14{a}^{5}b + 7a {b}^{2}[/tex]

Find the y-intercept of the line that passes through the point (6, –1) with a rate of change of −3/5

Answers

Answer:

the y-int is 2.6 or 13/5

Step-by-step explanation:

y=mx+b

-1=-3/5(6)+b

-1=-18/5+b

b=2.6 or b=13/5

y=mx+b
-1=-3/5(6)+b
-1=-18/5+b
since why is a negative add 1 to make it 0 then that will cancel out then add that to -18/5 which would be -3.6 because that how much times 5 goes into 18. -3.6+1= -2.6 So your answer would be -2.6 or -13/5

Molly does 15% of her homework in the study hall. If she spent 45 minutes on homework in study hall, how much time in minutes does she need to spend on homework altogether?

Answers

The answer is 300 minutes

molly needs he in order to gain 26% of

A plumber uses the equation C = 35h + 70 to determine the total amount of money charged for a service call, where h represents the number of hours worked and 70 represents a one-time fee. Based on this equation, how much should she charge for working 1.5 hours on a service call when no parts are required?
Group of answer choices
$140.00
$122.50
$52.50
$105.00
thx!

Answers

Answer:

122.50

Step-by-step explanation:

multiply 35 x 1.5 which gives you 52.5 add 70 which gives you the answer of 122.50. Hope it helps!

Answer:

B. $122.50

Step-by-step explanation:

its $122.50 because 35 divided in half is 17.50 and the plume worked 1.5 hours so 35 + 17.50 + 70 = $122.50

PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPPP

Answers

C^2 goes in the first box because it’s the only missing variable from the ones given.
Then c^2 goes in the second box because it hasn’t been changed.
Then 2 goes in the third box because (1/2ab x 4 = 4/2 ab = 2ab)
Then c^2 goes in the last box because it hasn’t been changed either, plus it completes the Pythagorean formula (a^2 + b^2 = c^2) so it seems the most logical

C^2 goes in the first box because it’s the only missing variable from the ones given.

Then c^2 goes in the second box because it hasn’t been changed.

Then 2 goes in the third box because (1/2ab x 4 = 4/2 ab = 2ab)

Then c^2 goes in the last box because it hasn’t been changed either, plus it completes the Pythagorean formula (a^2 + b^2 = c^2) so it seems the most logical

What is the value of 125 x 10 to the power of 2
Group of answer choices
-125
-1.25
-1250
-12500
Thank u a whole bunch!

Answers

Answer: 1562500 or 12500

Step-by-step explanation:

(125x10)^2 first you do 125 x 10 that's 1250 then you would have 1250^2 and that is 1562500

if this is for chem which i think it might be because of the answer options it would be 12500.

answer: 12500!! good luck and have a great day!

Convert to find the equivalent rate.

Answers

Answer:192

Step-by-step explanation:look up 96 fl oz to tablespoons and it will give you a calculator.

THE CORRECT ANSWER IS 192

Please help ;-;

My school still makes me do i-Ready and IT SUCKS

Answers

Answer:

x-intercept(s): (2,0)

y-intercept(s): (0,12)

You should ask the teacher if you can do anything else to get your grades up

PLS ANSWER
The data shows how many videos were rented for a forty-day period. Which table matches the information data that was collected?

Answers

I believe the Answer is: C
I also believe that the answer is C

what is the transformation of f(x)=|x| to g(x)=-4|x-2|-1

Answers

Answer:

Step-by-step explanation:

o find the transformation, compare the function to the parent function and check to see if there is a horizontal or vertical shift, reflection about the x-axis or y-axis, and if there is a vertical stretch.
Parent Function:
f
(
x
)
=
|
x
|
f
(
x
)
=
|
x
|
Horizontal Shift: Right
2
2
Units
Vertical Shift: Down
1
1
Units
Reflection about the x-axis: Reflected
Vertical Stretch: Stretched

In the triangle ABC, AB = 13cm, BC =10cm and angle BAC = 30degrees

Find the two possible sizes of angle ABC, giving your answers to two decimal places.

Answers

Answer:

109.46° and 10.54°

Step-by-step explanation:

Attached in the image.

Hope it helps :)

109.46 and 10.54 ghkugh

my yard is 32 ft long by 20 ft wide what is the area of my yard

Answers

In order to find Area you need to know the formula
Area=Length*Width
In this case we know that the Length is 32ft and the Width is 20 ft.
A=32*20
A=640ft^2
area = length x width
so you do 32 x 20 which is 640.
640 is your area.

Determine if the table shows a proportional relationship.

x 25.6 72.8 77.2
y 6.4 18.2 19.3

Answers

Yes, it is a proportional relationship.The constant of proportionality is 4

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

Explanation:

25.6/6.4=472.8/18.2=477.2/19.3=4
Yes because the COP (Constant of proportional relationship is 4 when you divide y/x COP:4

What does the expression opposite of yi ÷m help you find? select all that apply.
Responses

Answers

Answer:

The correct answer for this is:

a zero

It’s zero. Hope this helps

There are 2 flashlights, one flashes every 3 seconds and the other flashes every 4 seconds. If they last flashed on 10:40 am together, when are they going to flash next together? Is the answer 10:42 am??

Answers

Answer: 10:52 AM

Step-by-step explanation:

If you find the LCM of the numbers, and then add it to the last time they flashed together, you will have your answer.

Answer:

It is still 10:40:12 am

Step-by-step explanation:

First find the Lcm. That will be 12. 12 cannot be converted into minutes so it will be in seconds. So it will flash again 12 seconds later...

pls help me, this is due tomorrow and i need to show my work but i don’t know how

Answers

Refer to the photo taken.

help me, please!!!!!!!!

Answers

Answer:

$160

Step-by-step explanation:

C = 40 · 4

C = $160

40•4= 160 the answer is 160. You go girl! I believe

Which equation is equivalent to this proportion? Select all that apply.

Answers

Answer:

250y = 800

Step-by-step explanation:

[tex]\frac{8}{250}[/tex] = [tex]\frac{y}{100}[/tex]  Cross multiply

250y = 800

Answer:

A)  250y = 800

Step-by-step explanation:

Given equation:

[tex]\dfrac{8}{250}=\dfrac{y}{100}[/tex]

Cross multiply by multiplying the numerator and denominator of the first fraction by the denominator of the second fraction, and multiplying the numerator and denominator of the second fraction by the denominator of the first fraction:

[tex]\implies \dfrac{8 \times 100}{250\times 100}=\dfrac{y \times 250}{100 \times 250}[/tex]

Simplify:

[tex]\implies 8 \times 100 = y \times 250[/tex]

[tex]\implies 800=250y[/tex]

[tex]\implies 250y=800[/tex]

Pls help like asap this is due be4 after break!

Answers

Answer:

Step-by-step explanation:

order of operations parentheses first!

so 4(6k+4) = (4x6)k + (4x4)

which gets you to

5k + 24k + 16 - 29k = 16

simplified down to

29k + 16 -29k = 16

the answer is 16 = 16 the 29k’s cancel out

hope that helped

In which expression is the number 3 expressed as a coefficient of a variable?
Group of answer choices
3 - y
3 + y
7y + 3
3y + 1
Thx!

Answers

Answer: 3y+1

Step-by-step explanation:

Answer: The correct answer is d 3y+1

Step-by-step explanation:

Write an inequality of the form Ax + B ≤ C to represent the word problem using your answers for A, B, and C. Solve the inequality and show your work.

A= $8
B= $10
C= $100

Answers

Since you have the values, just plug them into the inequality given.
8x + 10 <= 100
To solve the inequality, first get x by itself by subtracting 10 from both sides to get 8x <= 90, then divide both sides by 8 to get x <= 11.25
That means that whatever x is is no more than 11.25, but either less than or equal to it.
(X depends on the word problem)

Which best describes -6, in the expression 4x + 3y – 6?
Group of answer choices
-constant
-factor
-operation
-variable
Thank u!

Answers

Constant

Explanation:
The number on its own(without variable) in an equation is called a constant.
constant
thats the answerr

Please solve this equation
-3(5-2z)=z+10

Answers

-15+6z = z + 10
-15 -10 = -6z + z
-25 = -5z
5 = z

z = 5
____
(Let's now put z=5)
-3(5-10) = 5+10
-15+30 = 15
15 = 15
___
Therefore, we now have double-checked that z=5
7z-5 there you go that should be answer

how far was 14.5 from 14.4

Answers

Answer:

.1

Step-by-step explanation:

14.5-14.4=.1

The answer is 0.1

Explanation:

/..................................................................................................................................................................../

Answers

yellow is 2 and blue is 6
hope this helps!

Answer: hope this helps ♡

(blue) 6:2 (yellow)

Step-by-step explanation:

total = 8oz

(blue) 3:1 (yellow) = 4oz (3+1)

(blue) 6:2 (yellow) = 8oz (6+2)

Need Answered ASAP. Find the difference between (1.4 × 10^8) and (5.7 × 10^7). Write the final answer in scientific notation.
−4.3 × 10^1
4.3 × 10^−1
8.3 × 10^8
8.3 × 1067

Answers

Answer:

-4.3 x10-1

Step-by-step explanation:

answer.,...............

it should be 8.3 x 10^7 but i don’t see that option on here. the difference between 1.4 x 10^8 (140,000,000) and 5.7 x 10^7 (57,000,000) should be 8.3 x 10^7 (83,000,000)

The data shows how many videos were rented for a forty-day period. Which table matches the information data that was collected?

Answers

I believe The Answer is C
The answer is C as one mark for each number on the table= one of the numbers on the grid. Then, you need to count the numbers on the grid and see if the total matches the number on the table

help please help help

Answers

Answer:

Question 1: 3

Question 2: 6

Question 1: 3
Question 2: 6

Need to be Answered ASAP. Which of the following values is not an irrational number?

pi, the cube root of 75, the square root of 50, and 8.47 repeating where the 7 is repeating

Answers

8.47 repeating is not an irrational number. An irrational number is a type of real number that d cannot be expressed as a simple fraction. Examples of irrational numbers include pi and the square root of 50. 8.47 repeating, on the other hand, is a rational number, which can be expressed as a simple fraction. It is equivalent to the fraction 2774/527. The cube root of 75 is also an irrational number, as it cannot be expressed as a simple fraction.

Answer:

pi = irrational

Cube root of 75 + 50 = irrational

8.47 (7 repeating) = rational

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