3 years ago

How can you solve y=-2x+20 by substitution?

Mathematics

1 answer:

levacccp [35]3 years ago

8 0

Answer:

subtract from both sides and then multiplying both sides

Step-by-step explanation:

how can you solve y = -2x + 25 by subtraction

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nata0808 [166]

Answer:

16/15

Step-by-step explanation:

$\dfrac{-3}{5}\cdot\dfrac{2}{-9}\cdot 8=\dfrac{3\cdot 2\cdot 8}{5\cdot 9}=\dfrac{2\cdot 8}{5\cdot 3}=\dfrac{16}{15}$

The two minus signs cancel, so the result is positive.

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3 years ago

A 10.0cm^3 sample of copper has a mass of 89.6 g. What is the density of copper?

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4 years ago

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Their sum is 20 and The sum of their squares is less than 362.

Sindrei [870]

19^2 + 1^1 = 362

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3 years ago

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2 years ago

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katrin [286]

Answer:

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Step-by-step explanation:

Given

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3 years ago

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