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andreev551 [17]

3 years ago

10

A power line stretches from the top of a building to the ground. The power line is 100ft. long and the building is 50 ft. tall.

What is the horizontal distance from the end of the power line to the building?

1 answer:

Nutka1998 [239]3 years ago

6 0

Answer:

86.6 ft.

Step-by-step explanation:

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Find the value of the variable. Then find the angle measures of the polygon.

Anvisha [2.4K]

First set up the equation (sum of the angles is 180)

2x + 2(x-1) + (5x +2) = 180

distribute:
2x + 2x -2 + 5x +2 = 180

combine like terms:
9x = 180
solve for x:

x = 20

SO:

2x° = 2(20) = 40 degrees
2(x-1)° = 2(20) - 2 = 40 - 2 = 38 degrees
5x + 2°= 5(20) + 2 = 100 + 2=102 degrees

check: 40 + 38 + 102 = 180

7 0

3 years ago

While Jane was visiting her sister in Winchester, she bought a wooden bench that was marked down 25% from an original price of $

Anna007 [38]

Answer:

Step-by-step explanation:

The total cost of the bench would be $72 after the markdown being 10% from the orginal proce which was $80.

4 0

3 years ago

Megan is sitting in her car in a parking lot. The car next to her pulls forward.If Megan is looking only at the car next to her

slega [8]

I think it is moving backward because when a car is parking and you are leaving, then you would be moving backward.

Hope this helped☺☺

8 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%7D%2072" id="TexFormula1" title="\sqrt{x} 72" alt="\sqrt{x} 72" align="absmiddle"

AveGali [126]

Answer:

Step-by-step explanation:

√x^72 = √(x^36)^2 = x^36

4 0

3 years ago

what is the sum of two numbers is "-7." Two times the first number equals 4 the second number. Find the two numbers.

skelet666 [1.2K]

Answer:

$\sf \text{The numbers are $\dfrac{-14}{3} $ and $\dfrac{-7}{3}$}$

Step-by-step explanation:

Let the numbers be x , y

Sum of two numers = -7

x + y = -7------------(I)

Two times the first number equals 4 the second number.

2x = 4y ----------(II)

Divide both sides by 2

$\sf \dfrac{2x}{2}=\dfrac{4y}{2}$

x = 2y

Subtitute x = 2y in equation (I)

2y + y = -7

3y = -7

y = -7/3

Plugin y = -7/3 in equation (II)

$\sf 2x = 4*\dfrac{-7}{3}\\\\2x = \dfrac{-28}{3}\\\\x =\dfrac{-28}{3*2}\\\\x = \dfrac{-14}{3}$

4 0

2 years ago