3 years ago

Please help on #10! Thanks!

Mathematics

1 answer:

Aleks04 [339]3 years ago

3 0

Yes it describes a direct variation because y is 4x distance Is 4 times of time x

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Answer:

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Step-by-step explanation:

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Find the solution to the equation below.

Andreyy89

Answer:

B and D

Step-by-step explanation:

The quadratic formula is $x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}$ . Here a=20, b=-26, and c=8.

Substitute and you'll have:

$x=\frac{-b+/-\sqrt{b^2-4ac} }{2a} =\frac{26+/-\sqrt{26^2-4(20)(8)} }{2(20)}=\frac{26+/-\sqrt{676-640} }{40)}$

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It simplifies to 1/2 and 4/5.

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

How many feet of fencing would a farmer need if she wanted

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Answer:

Well, it's the perimeter, so...40.

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or you can factor it out.

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