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irga5000 [103]
3 years ago
5

Don't know how to solve this? Please show work, thank you

Mathematics
1 answer:
sashaice [31]3 years ago
5 0
Can’t see the picture
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HELP ME PLEASE!!,I WILL GIVE BRAINLIEST!!I PROMISE!!:)
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cupoosta [38]
Ok
So when you multiply by a fraction just multiply top by top and bottom by bottom
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7 0
4 years ago
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
What is 1 divided by 5/2
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The answer is 0.4 or \frac{2}{5}
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