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4 years ago

PLEASE HELP!!!

Mathematics

1 answer:

love history [14]4 years ago

3 0

Answer:

7r^-1/3r^3

Step-by-step explanation:

7r^2/21r^3

21r^3 ➡ 7r^3 × 3r^3

7r^2/7r^3×3r^3 ➡ 7r^2 - 7r^3/3r^3

➡7r^-1/3r^3

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3 years ago

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Answer:

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3 years ago

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Step-by-step explanation:

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3 years ago

Step by step how to solve 3y + 5.2 = 2 - 5y

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3y + 5.2 = 2 - 5y
3y + 5y + 5.2 = 2
8y = 2 - 5.2
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y = (-3.2) / 8
y = -0.4

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