3 years ago

Which expression is equivalent to 83 ⋅ 8–7?

Mathematics

1 answer:

anastassius [24]3 years ago

3 0

I believe the answer to your question is 657

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Step-by-step explanation:

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The distance between Maggie’s home and her school is 5,280 yards. (Hint: 1 mile = 1,760 yards.)

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2 years ago

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While setting up a fireworks display, you have a tool at the top of the

atroni [7]

Answer:

0.79 sec

Step-by-step explanation:

Given there is a tool at the top of the building which is dropped by a worker and it follows the following equation at every instant of time .

$h(t)=-16t^{2} +h_{0}$

where $h_{0} =10 feet$

We know that this height is measured from the base of the building which means that when the tool reaches the bottom of the building it has h = 0 feet.

Let this be done at time t

h(t) = 0

$-16t^{2} +10=0$

$t^{2} =\frac{10}{16}$

$t=\frac{\sqrt{10} }{4}$

t = 0.79 sec

Therefore the total time taken by the tool to reach the bottom of the building is 0.79 sec.

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3 years ago