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Inessa05 [86]
3 years ago
15

How to solve this math problem?

Mathematics
1 answer:
fiasKO [112]3 years ago
5 0
Awnser is below in the photo

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Jessica’s car depreciates in value by 11% per year. Jessica bought her car for £21000. Work out how much her car will be worth a
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Brainliest

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Set up and solve an equation for the value of x. Use the value of x and a relevant angle relationship in the diagram
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x and EAF are 27 degrees

Step-by-step explanation:

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3 years ago
Sally was standing 30 feet from a tree. The angle of
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Answer: The tree was 27 feet tall

Step-by-step Explanation: First of all Sally was standing 30 feet away from the tree and she looks up at an angle of elevation of 38 degrees to the top of the tree. With this bit of information we can determine that a right angled triangle has been formed with the reference angle as 38 degrees, the side facing it as h (the height of the tree) and the adjacent side as 30. We shall apply the trigonometric ratio as follows;

Tan 38 = opposite/adjacent

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We remember at this point that Sally’s eyes were 4 feet above the ground. What we have just calculated is the height of the tree from “4 feet above the ground” (where her eyes were). Hence the actual height of the tree is calculated as 23.4 plus 4 which gives us 27.4

Therefore the tree was 27 feet tall (approximately to the nearest foot)

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3 years ago
Công ty A vay ngân hàng số tiền 25.000.000.000 đồng, lãi suất 12%/năm, trả nợ dần trong 5 năm. Hợp đồng qui định công ty A phải
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