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rewona [7]
3 years ago
13

What is the value of x?

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
7 0

Answer: 12

Step-by-step explanation:

You can use what is called geometric mean to solve this.

The hypotenuse of this triangle is split into two sections. One section corresponds to/equal to the altitude which is our "X", which corresponds to/equal to the second section.

You find "X" by using geometric mean and the proportion:

16/X=X/9

Then cross multiply to get 16 x 9= 144

then 144=x²

Solve for X.

X=12

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3 years ago
Plz answer this step by step thank you x^2 + 15x + 56
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Step-by-step explanation:

{x}^{2}  + 15x + 56 \\ =   {x}^{2}  + 8x + 7x + 56 \\  =  {x}(x + 8) + 7(x + 8) \\  = \huge \red{ \boxed{ (x + 8)(x + 7)}}

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3 years ago
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Addition or subtraction of fractions requires a common denominator. The value 3/3 can be multiplied by 2/2 to give 6/6, which has the same denominator as the other fraction.

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