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NemiM [27]
3 years ago
5

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

Mathematics
1 answer:
Tresset [83]3 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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Evaluate: (8y+5) -2z; if y =3 and z =9
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Answer:

11

Step-by-step explanation:

(8y + 5) - 2z

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Let's plug in the given values.

(8(3) + 5) - 2(9)

First let's multiply.

(24 + 5) - 18

Now simplify within the parentheses.

29 - 18

Subtract.

11

This is your answer.

Hope this helps!

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Studentka2010 [4]

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5/6

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