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IrinaVladis [17]
3 years ago
8

80=-8a please I need the answer

Mathematics
1 answer:
Free_Kalibri [48]3 years ago
6 0
80=-8a 
We are trying to solve for a. So we need to get a alone. To do that we have to divide each side by -8. 
80/-8= -8a/-8
Once you have solved each side you will get the following. 
-10=a
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Answer:

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Step-by-step explanation:

To find the height of the kite, we can use the Pythagoras' theorem in the triangle created by the length of the string (hypotenuse), the height of the kite and the distance to the umbrella (catheti).

Then, we have:

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The angle of elevation can be calculated using the cosine relation:

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