MATHEMATICS MIDDLE SCHOOL

If 3/4 and 12/x are equivalent, what is the value of x?

Answers

Answer 1
Answer:

Answer:

16

Step-by-step explanation:

3/4 = 12/x

Since 3 × 4= 12

[Apply the same number with the numerator and denominator]

4 × 4= 16

x = 16

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The stem-and-leaf plot shows the number of home runs Carlos hit in the last five seasons. What is the mean absolute deviation of these values? Carlos home runs

Answers

To find mean, add the numbers then divide by how many numbers there are.

Mrs. Genty has a box of reading books. The amount of books is divisible by 4, 5, 6, and 9. What is the least amount of books that can be in the box? Explain how you know.

Answers

Answer:

180

Step-by-step explanation:

4*45=180

5*36=180

6*30=180

9*20=180
The answer is 180 :) your welcome

Round to the nearest whole number 8.36

Answers

we know that

To Round a number

a) Decide which is the last digit to keep

b) Leave it the same if the next digit is less than 5 (this is called rounding down)

c) But increase it by  1 if the next digit is  5 or more (this is called rounding up)

In this problem we have

8.36

We want to keep the digit 8

The next digit is 3 which is less than 5, so no change is needed to 8

therefore

the answer is

8
The answer is 8, because 3 is less than 5 and we are rounding it to the nearest whole number. 

Two-fifths of the girls signed up to play softball. An equal number of girls signed up to play pitcher, infield, and outfield. What fraction of girls in the school signed up to play outfield?Any help appreciated, thank you!

Answers

2/15 girls signed up to play outfield 2/5÷3=2/5×3/1=2/15

Solve this equation
aj+j-a=f+j-f²
if a is 13 and j is 13 and f is 7

Answers

Since you're given all the variable values, we can't really "solve" the equation.  However, we can plug the given values in and see if they work!

Substituting in the given values, we have:
13*13+13-13=7+13-49

This is equal to:
169=-29

This is clearly not true, so the given values for the variables do not solve the equation.
This is what I see 13*13+13-13=7+13-7^2

13*13+13-13=7+13-49

This is clearly false.

Here is the answer if you were techincally trying to solve it :D

(13)(13)+13−13

=169+13−13

=182−13

=169

Enter the value of n so that the expression (-y + 5) + (7y - 9) is equivalent to (ny - 4)

Answers

the answer is :
n = 6
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