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Svetlanka [38]
3 years ago
11

Steps for solving 5(2x - 8) = 20 are shown.

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0
Answer: D. Using the commutative property

explanation: you use the distributive property to get 10x-40. to combine like terms you add 40 to -40 and 20. and you decide 10 by both sides to get x by itself and the answer on the other side which equals 6.
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At a certain time of day, the angle of elevation of the sun is 80degree. Find the height of a tree whose shadow is 44 feet long.
Arte-miy333 [17]

The height of the tree is 249.5 feet

<h3>How to determine the height of the tree?</h3>

The given parameters are:

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Let the height of the tree be x.

So, we have:

tan(80) = x/44

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Read more about elevation at:

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2 years ago
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3 years ago
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Which equation has the same slope as y = -5x - 4?
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Surface area for a rectangular prism 43in 19in 35in
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