3 years ago

5(3-2x) PLEASE HELP! Its due today with 50 questions!

Mathematics

1 answer:

lions [1.4K]3 years ago

8 0

Answer:

its -10x+15

Step-by-step explanation:

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−8y+9x=−5 8y+7x=−75 x= y=

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-8y + 9x = -5
8y + 7x = -75 +
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/ 16x = -80

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3 years ago

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3 years ago

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Answer:

7.85 m (3 significant figures)

Step-by-step explanation:

Formula: arc length = $2\pi r(\frac{\theta}{360} )$

The radius of a circle is half the diameter, so r = 10 ÷ 2 = 5

Therefore, arc length = 2 x $\pi$ x 5 x $(\frac{90}{360} )$

= $\frac{5}{2}\pi$

= 7.853981634...

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