Mathematics: 6 is to 14 as x is to 126

6 is to 14 as x is to 126 - id6141268566076, johnthecool282

Ответ:

Valduarte07

06.02.2022

$\boxed{x = 54.}$

Step-by-step explanation:

$6 \: is \: to \: 14 \: as \: x \: is \: to \: 126 \\ this \: question \: is \: same \: as \to \\ \frac{6}{14} = \frac{x}{126} \\ 14x = 6 \times 126 \\ x = \frac{756}{14} \\ x = 54.$

♨Rage♨

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Ответ:

jaylaa04

12.11.2022

Mathematics

If Y equals 8, X is equal to 17.

If Y drops to 4, X is equal to 19.

Step-by-step explanation:

We know that the equation is Y = 47.25- 2.25X and we want to find X when Y = 8. To do this we solve the equation for X.

$47.25-2.25X=8\\47.25\cdot \:100-2.25X\cdot \:100=8\cdot \:100\\4725-225X=800\\4725-225X-4725=800-4725\\-225X=-3925\\\frac{-225X}{-225}=\frac{-3925}{-225}\\X=\frac{157}{9}=17.4444...$

17.4444 rounded to the nearest whole number is 17.

If Y drops to 4,

$4 = 47.25- 2.25X\\47.25-2.25X=4\\47.25\cdot \:100-2.25X\cdot \:100=4\cdot \:100\\4725-225X=400\\4725-225X-4725=400-4725\\-225X=-4325\\X=\frac{173}{9}=19.2222...$

19.2222 rounded to the nearest whole number is 19.

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6 is to 14 as x is to 126

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