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3 years ago

10

Need help on #2 asap!

2 answers:

zubka84 [21]3 years ago

8 0

It’s 5 to 10 seconds EXPLANATION: if you were to go from 49 feet in the air to 19 feet in the air, which means you descended, You would’ve gone -30 feet in 5 seconds. This means that for you to go from 19 to 20 feet in 5 seconds, you would’ve gone through the least change.

Y_Kistochka [10]3 years ago

3 0

Answer:

5 to 10 seconds

Step-by-step explanation:

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2x^2+5x+3/x^2-3x-4 divided by 4x^2+2x-6/x^2-8x+16

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Step-by-step explanation:

$\frac{2x^2+5x+3}{x^2-3x-4}$ divided by $\frac{4x^2+2x-6}{x^2-8x+16}$ is the same thing as multiplying $\frac{2x^2+5x+3}{x^2-3x-4}$ by $\frac{x^2-8x+16}{4x^2+2x-6}$ .

The equation we get is:

$\frac{2x^2+5x+3}{x^2-3x-4}*\frac{x^2-8x+16}{4x^2+2x-6}$

With this equation, we can factor each equation:

$\frac{(x+1)(2x+3)}{(x+1)(x-4)} *\frac{(x-4)(x-4)}{2(x-1)(2x+3)}$

We can cancel out like terms since they would be dividing each other:

$\frac{x-4}{2x-2}$

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