MATHEMATICS MIDDLE SCHOOL

The equation of the line of best fit of a scatter plot is y = 7x − 9. What is the slope of the equation?−9, −7, 7, 9

Answers

Answer 1
Answer:

Answer:

Slope m = 7.

Step-by-step explanation:

Given :  y = 7x − 9.

To find : What is the slope of the equation.

Solution : We have given that y = 7x − 9.

On comparing with y = mx + b

Where, m slope of the line and b = y intercept.

Then slope of y = 7x − 9.

m = 7 and y intercept = -9.

Therefore, Slope m = 7.
Answer 2
Answer: I love math. Well the formula is y=mx+b. the slope is m so the answer is 7 

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You make punch for a party. The ratio og ginger ale to fruit juice is 8 cups to 3 cups. You decide to add 4 more cups of ginger ale. How many more cupsof fruit juice do you need to keep the correct ratio.

Answers

To get the answer we can use proportion
8 ginger ----------------- 3 fruit
12 ginger ----------------x
Crossmultiply now
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x=(12*3)/(8)
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To not change ratio we have to have 4.5 cups of fruilt juice. We initialy had 3, so we have to add 1.5 cup of fruit juice.

You practice your basketball shots every day. On Friday you made 20 shots. On Saturday you made 16 shots. What is the percent decrease in shots you made?4%


16%


20%


80%

Answers

So,

All you have to do to find the percent decrease is to subtract your score on Saturday from your score on Friday and divide the result by your score on Friday.  If you let "f" represent your score on Friday and let "s" represent your score on Saturday, you can re-write this mathematically:

(f - s)/(f) = percent\ decrease

Substitute.
(20 - 16)/(20) = percent\ decrease
(4)/(20) \ or\ (1)/(5)\ or\ twenty\ percent = percent\ decrease

The percent decrease in shots you made was 20%.  That would be option C.

the percent decrease was 20% because 4 shots less were on sat.

put it into a fraction to find the percentage:

4/20

=20%

Area of square = 144x
Side of square = 4x
What does X___ = please answer this !!!

Answers

Answer:

1. Area = Base * Height

2. 144x = 4x * 4x

3. 144x = 16(x^2)

4.  9x = x^2

5.  x = 9

Step-by-step explanation:

Give 4 instances of 7.18+y#2+y+5.18

Answers

There are infinite  values of y possible. Take you pick.

1,2,3 and 4 are as good as any.

How many possible 7 digit phone numbers can be created from the digits 0 through 9 if numbers cannot be repeated and the first number cannot equal 0?A.181,440

B.544,320

C.604,800

D.10,000,000


Please select the best answer from the choices provided

A
B
C
D

Answers

Answer: B

Step-by-step explanation:

How do you reduce 5/2

Answers

For basics divide both 5 and 2 by 2. That would equal 2.5/1 or 2.5
You can't reduce since 5 is a prime number. One way you could do is, put it in a mixed fraction. Then the answer is 2 1/2. Or you can put it as a decimal then the answer is 2.5
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