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xeze [42]
2 years ago
11

Name the property or definition illustrated below

Mathematics
1 answer:
dimulka [17.4K]2 years ago
6 0

Answer: Substitution

Step-by-step explanation:

GIVEN:

y=3x

2x+4y=12

Then, 2x+4(3x)=12

-----------------------------------------

Substitution: replacing one variable in terms of another variable.

As we can see from the given aspects, y=3x, and the conclusion expression has no y instead of 3x. This means it represented y in terms of x, which fits the definition of substitution that replaces one variable.

Hope this helps!! :)

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Drinking 8 fluid ounces of milk provides 270.0 milligrams of calcium. How many fluid ounces of milk provide 72.5 milligrams of c
Margarita [4]
Set up a proportion:

\frac{8}{270} = \frac{x}{72.5}

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2.1 fluid ounces of milk provide 72.5 milligrams of calcium.
3 0
3 years ago
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Help I be trying so but can figure out the answer
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Answer:

b

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Surface of the earth =3959×3.14

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if 20%is suitable so we multiply it by the surface

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