MATHEMATICS MIDDLE SCHOOL

If 5 Pounds of Apples Cost $4.45, Then:A. What Is The Price Per Pound?

B. What Is The Cost For 8 Pounds Of Apples?

Thanks So Much!! I Appreciate It!!

Answers

Answer 1
Answer:
for you will divide 4.45 to get the price per pound which is .89 
for B you would multiply what we found the price per pound .89 by 8 to get 7.12
Answer 2
Answer: A.89 cents per pound I did 4.45 divided by 5
  
B. I did 89 x 8 =$7.12
                                                                                                  Hope this helped :)

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Drag and drop the constant of proportionality into the box to match the table. If the table is not proportional, drag and drop "not proportional" into the box.x 2 4 6 8

y 3 7 11 15


Answer choices:

1/3

not proportional

3/2

1

Answers

Answer: not proportional


Step-by-step explanation:

The constant is called the coefficient of proportionality if one variable is always the product of the other variable and a constant. And the variables are said to be directly proportional.

In the given table , let the variables are proportional then the constant of proportion(k)=(y)/(x)

\Rightarrow\ k=(3)/(2)=1.5

\Rightarrow\ k=(7)/(4)=1.45

⇒ k is not a constant of proportionality.

⇒ the variables x and y are not proportional.
The answer is:Not proportional

Select all functions that have a y-intercept of (0,5).f(x)=7(b)^x-2
f(x)=-3(b)^x-5
f(x)=5(b)^x-1
f(x)=-5(b)^x+10
f(x)=2(b)^x+5

Answers

Answer:

f(x)=7(b)^(x)-2

f(x)=-5(b)^(x)+10

Step-by-step explanation:

we know that

The y-intercept is the value of y when the value of x is equal to zero

Verify each case

case 1) we have

f(x)=7(b)^(x)-2

so

For x=0

f(0)=7(b)^(0)-2

f(0)=7(1)-2=5

therefore

The function has a y-intercept of (0,5)

case 2) we have

f(x)=3(b)^(x)-5

so

For x=0

f(0)=3(b)^(0)-5

f(0)=3(1)-5=-2

therefore

The function does not have a y-intercept of (0,5)

case 3) we have

f(x)=5(b)^(x)-1

so

For x=0

f(0)=5(b)^(0)-1

f(0)=5(1)-1=4

therefore

The function does not have a y-intercept of (0,5)

case 4) we have

f(x)=-5(b)^(x)+10

so

For x=0

f(0)=-5(b)^(0)+10

f(0)=-5(1)+10=5

therefore

The function has a y-intercept of (0,5)

case 5) we have

f(x)=2(b)^(x)+5

so

For x=0

f(0)=2(b)^(0)+5

f(0)=2(1)+5=7

therefore

The function does not have a y-intercept of (0,5)

17 that's all plz help I don't get it

Answers

Formula: Area=pi times radius squared (the official one is A=pi symbol times r for radius squared

Radius=diameter divided by 2

3.6/2=1.8

1.8 squared=3.24

A=3.14 x 3.24

Area=10.1736 meters squared

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A survey was taken among female and male voters and which candidates they voted for.Below is the two-way table that summarizes the data.


Candidate A Candidate B
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Male 36 39

Of the male voters, approximately what proportion voted for Candidate A?

Answers

Answer: its 48% i took the test

Step-by-step explanation:

Answer:

the actual answer is 43%

Step-by-step explanation:

If martha has 20 apples and aaron eats 9 how many does she have left

Answers

Answer: If martha has 20 apples and aaron eats 9

:- 20-9

She has 11 apples left
Martha then has 11 apples because 20-9=11

Write an equation in slope intercept form for a line that goes through the point (-9,4) and is perpendicular to line Y=-3x-2

Answers

Answer:

y = (1/3)x + 7

Step-by-step explanation:

The slope of a line perpendicular to the given line y = -3x - 2 would have to be the negative reciprocal of the slope of the given line:

or, in other words,

the negative reciprocal of -3.  That would be +1/3.

Starting with the slope-intercept form of the equation of a straight line, we have:

y = mx + b.  

We substitute the coordinates of the given point, (-9,4), and the slope +1/3:

4 = (1/3)(-9) + b.

This simplifies to

4 = -3 + b, from which it can be easily seen that b = 7.

The desired line is y = (1/3)x + 7.
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