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vredina [299]
3 years ago
10

the diameter of a tree varies directly with its age. A 15-year old tree has a 3.75 in diameter. How old will the tree be when it

has a 20 in diameter?
Mathematics
1 answer:
dlinn [17]3 years ago
5 0

Answer:

x=15*25/3.75

x=100

tree is 100y old

Step-by-step explanation:

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3 years ago
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inysia [295]

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_____

<em>Comment on the solution</em>

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3 years ago
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Answer:

x = 7 hope this helps !!!

Step-by-step explanation:

Type 1: You know the short leg (the side across from the 30-degree angle). Double its length to find the hypotenuse. You can multiply the short side by the square root of 3 to find the long leg.

Type 2: You know the hypotenuse. Divide the hypotenuse by 2 to find the short side. Multiply this answer by the square root of 3 to find the long leg.

Type 3: You know the long leg (the side across from the 60-degree angle). Divide this side by the square root of 3 to find the short side. Double that figure to find the hypotenuse.

this is a type 3 triangle, and you can find the length of y from it, it being 14, and x is half of y, being 7

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