MATHEMATICS MIDDLE SCHOOL

What is the measure of

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

180-156=24

Answer 2

Answer:

Answer:

24°

Step-by-step explanation:

This is a supplementary angle so both of them add to 180°

180°-156°= 24°

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Square A and rectangle B have the same width. The length of rectangle B is 4 cm greater than its width. The area of rectangle B is 20 cm greater than the area of square ASet up an equation and solve it to find the area of square A.

-Thanks! :D

Answers

Noting that square A is a square, this is what we have:
A = B
A^2 = B x (B + 4) + 20

I can try subbing in A to B
since A = B:

A^2 = A x (A + 4) + 20
20 = A^2 - (A x (A + 4))
20 = A^2 - (A^2 + 4A)
20 = 4A
A = 5

By the way, A is width of square A and B is the width of rectangle B in my solution,

Estimate the product of 68 and 42

Answers

We can round 68 to 70
And round 42 to 40

70 x 40 = 2800

68(42)= 2856
The number 68 is multiplied by 42 and is equal to 2856

Find two square numbers which a
Have the sum of 130

Answers

1 + 129 equals 130 that equals 130

What is 59,424.77 rounded to the nearest square mile

Answers

the saying for rounding is if the number is above 5 you round up and if it is below 5 you leave it the same. So this rounded whould be 59,425 by what you told me hoope that helps

Kasey had 45 tickets for games at the school carnival . She used 1/3 of her tickets to play the spin the wheel game. She used 1/3 of the remaining tickets to play a balloon game ,where she won 8 more tickets . How many things cleats did Kacey have after playing these two games?

Answers

23; 45(1/3) + 45(1/3)=30. 45-30=15. 15+8 (the tickets she won) =23.

45 original tickets then 1/3 goes away. Find that answer mathematically. then subtract your answer from 45 to get the remaining 2/3. Those are the used playing the balloon game. I am not sure what it means by cleats...

Equation for 14+ W= 26

Answers

Answer: w = 12

Step-by-step explanation: In this problem, we want to get w by itself on one side of the equation. Since we have 14 + W, in order to get w by itself, we must subtract 14 from the left side of the equation.

If we subtract 14 from the left side of the equation, we must also subtract 14 from the right side of the equation. So on the left, +14 and -14 cancel each other and on the right, 26 - 14 simplifies to 12 so w = 12.

To check our answer, we substitute a 12 back in for w in the original equation and we have 14 + (12) = 26 or 26 = 26 which is a true statement so the answer checks.

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