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Andrej [43]
3 years ago
6

A 50-foot ladder leans against a wall, as shown in the figure below. If the base of the ladder is 30 feet away from the wall, ho

w tall is the wall?
Mathematics
1 answer:
notka56 [123]3 years ago
4 0

50^2 + 30^2 = x^2

2500 + 900 = x^2

3400 = x^2

x = sqrt(3400)

x = 58.31

 height is 58.31 feet ( round answer as needed)

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For this case we have a quadratic equation, x ^ 2 + 28x-60 = 0, of the form ax ^ 2 + bx + c = 0

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a = 1\\b = 28\\c = -60

We can solve the equation by factoring, that is, we bias two numbers that multiplied give as a result -60 and added as a result 28.

These numbers are:

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So,

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Step-by-step explanation:

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