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3 years ago

11

A marching band with 75 members makes two rectangular marching formations. One rectangle has 6 rows and the other rectangle had

9 rows.

1 answer:

Ugo [173]3 years ago

6 0

The rectangle with 6 rows has 30 people in the whole rectangle. The rectangle with 9 rows has 45 people.

6 x 5 =30

9 x 5 =45

30+45 =75 people

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Angie is wrapping a present for her best friend. The box is 16 inches long, 12 inches wide, and 3 inches high. How many square i

rjkz [21]

I'm assuming the box is a rectangular prism:
They're asking for the surface area so the answer should be 48*2 + 192*2 + 36*2 since it has 6 faces so S.A. = 552 square in.

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3 years ago

Solve the equation. Check the solution.<br> 9-17x-5-4x=7

Shalnov [3]

Answer:

x = -1/7

Step-by-step explanation:

Solve for x

9-17x-5-4x=7

Combine like terms

-21x +4 = 7

Subtract 4 from each side

-21x-4+4 = 7-4

-21x = 3

Divide each side by -21

-21x/-21 = 3/-21

x = -1/7

Check

9 - 17(-1/7) -5 -4(-1/7) =7

9 + 17/7 -5 + 4/7 =7

4 +21/7 = 7

4+3 = 7

7=7

3 0

1 year ago

1. Kim's age is twice that of her sister. When you add Kim's age to her sister's age, you get 24. How old is each

Andre45 [30]

Answer:

a) Let Kim's age be k, then Kim's sister's age is k/2

k+ $\frac{k}{2}$ =24

b) k+ $\frac{k}{2}$ =24

1 $\frac{1}{2}$ k=24

k=16

$\frac{k}{2}$ =8

Kim's age is 16 while her sister's age is 8.

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3 years ago

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Answer:

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Answer:

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Step-by-step explanation:

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3 years ago