3 years ago

Find the number that makes the ratio equivalent 1:3 9:_

Mathematics

1 answer:

dimaraw [331]3 years ago

3 0

Answer:

Step-by-step explanation:

If the ratio is 1:3 multiply that by 9:9 so you effectively get 9:9x3 = 9:27. Or, you can say to yourself if B (3) is 3 times greater than A (1) then B is 3 times greater than 9. So 9x3 = 27

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Answer:

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Step-by-step explanation:

price sold for= 12×150%

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= 19.26

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Zanzabum

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3 years ago

The volume of a sphere can be determined by the formula V = 4/3 πr^3, where r is the radius. What is the volume of a sphere with

allochka39001 [22]

Answer:

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Step-by-step explanation:

Given

$V = \frac{4}{3}\pi r^3$

Required

Find V when

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Substitute $\frac{3}{2}x^3y^{-2$ for r in $V = \frac{4}{3}\pi r^3$

$V = \frac{4}{3}\pi * (\frac{3}{2}x^3y^{-2})^3$

Open bracket

$V = \frac{4}{3}\pi * \frac{3}{2}^3 * x^{3*3}y^{-2*3}$

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Simplify the fractions

$V = \pi * \frac{9}{2} * x^{9}y^{-6}$

Let

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So:

$V = \frac{22}{7} * \frac{9}{2} * x^{9}y^{-6}$

$V = \frac{11}{7} * \frac{9}{1} * x^{9}y^{-6}$

$V = \frac{99}{7} * x^{9}y^{-6}$

$V = \frac{99}{7} x^{9}y^{-6}$

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Ulleksa [173]

Answer:

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Step-by-step explanation:

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