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3 years ago

ASAP PLEASE HELP IM TIMED WILL MARK BRAINLIEST

Mathematics

1 answer:

marishachu [46]3 years ago

7 0

Answer: im sorry that nobody got to you, im having the same problem right now

Step-by-step explanation:

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3 years ago

How do I find an absolute value function from a graph?

elixir [45]

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3 years ago

DochEvi [55]

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3 years ago

**A rock dropped from a 100 foot tower.

mars1129 [50]

Answer:

2.83 s

Step-by-step explanation:

We are given that

$h(t)=-16t^2+10t+100$

When a rock reached the ground then h(t)=0

$-16t^2+10t+100=0$

$16t^2-10t-100=0$

Using quadratic formula

$x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}$

$t=\frac{10\pm\sqrt{(-10)^2-4\times 16\times (-100)}}{2(16)}$

$t=\frac{10\pm\sqrt{100+6400}}{32}$

$t=\frac{10+\sqrt{6500}}{32}=2.83$

$t=\frac{10-\sqrt{6500}}{32}=-2.2$

Time cannot be negative .Therefore, negative value of t can not be possible.

Hence, the rock takes 2.83 sec to reach the ground.

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4 years ago

Can somebody please help me with 10 Probability #?

OLga [1]

I'm sorry but I know the answer is deffinetly c or d

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3 years ago