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steposvetlana [31]
2 years ago
10

SOLVE

Mathematics
1 answer:
cluponka [151]2 years ago
6 0

Answer:

x=3

y=11

Step-by-step explanation:

5x + 2y = 37

y = x + 8

5x+2(x+8)=37

5x+2x+16=37

7x=21

x=3

y = (3) + 8

y=11

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X=8 y=20 find y when x=42
mart [117]

In this problem, we need to use the concept of proportions. Proportion says that two ratios (or fractions) are equal. So, we have two numbers, namely:

x=8 \ and \ y=20

So, the given proportion is:

\frac{x}{y}=\frac{8}{20} \\ \\ \therefore \frac{x}{y}=\frac{2}{5}

That is, x-out-of-y is equal to 2-out-of-5

On the other hand, we know that x=42, so by using the previous proportion we have:

\frac{42}{y}=\frac{2}{5} \\ \\ Isolating \ y: \\ \\ y=\frac{42 \times 5}{2} \\ \\ y=\boxed{105}

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Step-by-step explanation:

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2 years ago
-9-(-5) is the same as
Alex_Xolod [135]

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- 4

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5.6 by the power of negative 5 can someone tell me what that equals <br><br> PLZ HELP NOW
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8 0
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I’m confused on this one
ad-work [718]

The question is "What is the scale of the model to the actual statue"


That means you must put 2/15.


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15 being the actual statue


Take that fraction and equal is to 1/x.


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The answer is X=7.5


1 : 7.5


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3 years ago
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