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Naily [24]
3 years ago
7

7th Grade Math Please help -7 = 1/3 a Find the value of a

Mathematics
1 answer:
julsineya [31]3 years ago
4 0

Answer:

\huge\boxed{a=-21}

Step-by-step explanation:

-7=\dfrac{1}{3}a\to\dfrac{1}{3}a=-7\qquad|\text{multiply both sides by 3}\\\\3\!\!\!\!\diagup\cdot\dfrac{1}{3\!\!\!\!\diagup}a=(-7)(3)\\\\a=-21

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What is 5x^2y^-3 simplified?
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(5x^2)/(y^3)

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3 years ago
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Meg mixes 3 parts silver paint with 4 parts green paint to get a specific color. Is the ratio 5:6 equivalent to 3:4?
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No, because the numbers in the given ratio must be multiplied by the same number.

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Essentially, ratio to be equal must be equal. E.g. 3:4 would be equal to 6:8 because you multiply both sides of the ratio by 2.

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16 points<br> 1) Write the following in standard form (answer). *<br> 4^5
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Step-by-step explanation:

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3 years ago
A fair coin is flipped two times. Which diagram shows all of the possible outcomes?
kirza4 [7]

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A

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6 0
2 years ago
What is k/5.2 + 81.9= 47.2
weqwewe [10]
Solution for k/5.2+81.9=47.2 equation:
<span>k in (-oo:+oo)

k/5.2+81.9 = 47.2 // - 47.2

k/5.2-47.2+81.9 = 0

0.19230769*k-47.2+81.9 = 0 // - 81.9-47.2

0.19230769*k = -(81.9-47.2) // : 0.19230769

k = (-(81.9-47.2))/0.19230769

k = 5.20000006*(47.2-81.9)

k = 5.20000006*(47.2-81.9)

Always Practice, It makes Perfect! Anyways, I hope I helped... It would be nice if you can answer mine too, But you dont have to! ;) </span><span>brainly.com/question/253764
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7 0
3 years ago
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