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2 years ago

15

There is an attachment below...I need this answers ASAP with work...please write it on a piece of paper if you can and send a ph

oto! :)

2 answers:

slamgirl [31]2 years ago

7 0

I think task 1 is B

Hope this helps

Don't forget to rate and thanks me

svet-max [94.6K]2 years ago

7 0

Task 1: It is C
Task 3: It is B

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andrezito [222]

It is in the air 5.625 seconds.

Using the quadratic formula,

$t=\frac{-b\pm \sqrt{b^2-4ac}}{2a}
\\
\\=\frac{-90\pm \sqrt{90^2-4(-16)(0)}}{2(-16)}
\\
\\=\frac{-90\pm \sqrt{8100-0}}{-32}
\\
\\=\frac{-90\pm \sqrt{8100}}{-32}=\frac{-90\pm90}{-32}
\\
\\=\frac{-90+90}{-32}\text{ or }\frac{-90-90}{-32}=\frac{0}{32}\text{ or }\frac{-180}{-32}
\\
\\=0\text{ or }5.625$

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2 years ago

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djyliett [7]

Answer:

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Step-by-step explanation:

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