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3 years ago

A number to the 9th power divided by the same number to the 6th power equals 512. What is the

1 answer:

5 0

The answer is 5

explanation:
Let's call our number
a
. The statement written as a formula is
a
12
a
9
=
125
We can simplify the fraction, and we have
a
3
=
125
To solve for
a
, take the third root of both sides:
a
=
(
125
)
1
3
=
5

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Answer:

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3 years ago

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3 years ago

Which ordered pair (p,r) is the solution to the given system of linear equations?

Misha Larkins [42]

Answer:

(p,r) = (1/3, 2/9)

Step-by-step explanation:

Here, we want to solve a system of equations

We can rewrite the second equation by dividing through by 2

So we have;

4p + 3r = 2

and

5p - 3r = 1

Add both equations:

9p = 3

p = 3/9

p = 1/3

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Substitute the value or p here

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3r = 5/3 - 1

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3 years ago