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NemiM [27]
2 years ago
5

Each question mark represents a missing exponent. Find the value of the exponent.

Mathematics
1 answer:
Tresset [83]2 years ago
8 0

Answer:

4

Step-by-step explanation:

r^-7*r^4=r^-7+4=r^-3=1/r^3

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The width of a rectangle is 12 inches more than the length. The perimeter is 76 inches. Find the width and the length.
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The length of the rectangle is 13 inches and its width (13 + 12) is 25 inches.

Step-by-step explanation:

You have to consider the formula of the perimeter = 2·length + 2·width.

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