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Virty [35]
3 years ago
8

PLEASE HELP ASAP what is the value of x? enter your answer in the box.

Mathematics
1 answer:
nika2105 [10]3 years ago
6 0

Answer:

x=5

Step-by-step explanation:

We can use proportions to solve this problem.  Put the side of the small triangle over the side of the large triangle.

9           15

------ = ----------

2x-1        3x

Using cross products

9*3x = 15(2x-1)

27x = 30x-15

Subtract 30x from each side

27x-30x = 30x-30x -15

-3x = -15

Divide by -3

-3x/-3 = -15x/-3

x = 5

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