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erik [133]
2 years ago
11

(−1)^3⋅(−1)^2 simplify

Mathematics
1 answer:
Nastasia [14]2 years ago
8 0
When simplified the answers results in
= -1
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If the ratio of purple marbles to orange marbles is 3 to 8, how many orange marbles will I have if I have 48 purple marbles?
sveticcg [70]

Answer:

You will have 128 orange marbles

Step-by-step explanation:

Set this up as an equation

Variable x = number of orange marbles

3/8 = 48/x

Cross multiply

3 × x = 8 × 48

3x = 384

Divide both sides by 3 to isolate the variable

3x ÷ 3 = 384 ÷ 3

1x = 128

x = 128

128 orange marbles

Check work:

Substitute the variable x for the answer

3/8 = 48/128

Cross multiply

3 × 128 = 8 × 48

384 = 384

If the numbers equal, the answer is correct

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3 years ago
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Which equation exemplifies the commutative property of addition???
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Answer:

w = 13yd, l = 18yd

Step-by-step explanation:

let x be width, so x+5 = length

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P = 2(l+w)

  = 2(x+5 +x)

  = 4x + 10

Since perimeter is give as 62yd, equation is

4x + 10 = 62

4x = 52

x = 13

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Step-by-step explanation:

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Step-by-step explanation:

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