3 years ago

5x +7y =19, -5x - 3y = 11

Mathematics

1 answer:

vaieri [72.5K]3 years ago

4 0

Elimination

In other words,

5x+7y=19
-5x-3y=11

4y=8
y=2

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2 years ago

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3 years ago

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2 years ago

What is the best approximation for the circumference of a circle with a diameter of 300 ft?

geniusboy [140]

Hello!

$\bf Answer$

The best approximation for the circumference is $\boxed{ \bf 942~ft.}$

______________________________________________________

$\bf Explanation$

c = 2 $\pi$ r

r = 300 ÷ 2

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c = 2 × 3.14 × 150

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6 0

2 years ago

Read 2 more answers