Please help me solve this equation quickly!

10

Step-by-step explanation:

The altitude of a graph is displayed as the square root of the two parts of the hypotenuse multiplied together. Over here, the two values are 5 and 15. That means the altitude of the graph is the square root of 5 times 15, which means the altitude of the bigger triangle is equal to the square root of 75. Now, we can use the Pythagorean theorem on the smallest triangle to figure out the value of x. We have:

5 squared is 25 and the square root of 75 squared is 75.

Combining like terms:

Taking the square root of both sides:

The value of x is 10.

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