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oksian1 [2.3K]
3 years ago
11

Fifteen times the square of a non-zero number is equal to 12 times the number. What is the number?

Mathematics
1 answer:
salantis [7]3 years ago
4 0
The answer is 0.8

15x^2=12x

15x=12

x=12/15  = 4/5   so the answer is 0.8
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Am I correct if not help plzzz
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Hey there!

You got the first part right where you added r to both sides. However, you need to make sure that you complete all actions on both sides, including canceling out parts of terms by division. The only thing you need to do is divide both sides by h instead of just the left. This will make your answer:

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he sum of the first two terms of a G.P is 27 whereas the sum of the second and third term is 54. Find the first term and the com
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3 years ago
5 = 4a - 7<br> 3 - 8c = 35<br> -1/2x -7 = -11<br> Solve this please.
Hitman42 [59]

Answer:

a=3, c=-4, x=8

Step-by-step explanation:

5=4a-7

4a-7=5

4a=5+7

=12

a=12÷4

=3

3-8c=35

-8c=35-3

=32

c=-32÷8

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-1/2x-7=-11

-1/2x=-11+7

=-4

x=4÷1/2

=4/1×2/1

=8

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