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scZoUnD [109]
3 years ago
10

Pls help 15 points to best answer. A ladder leans against a building, making a 70 degree angle of elevation with the ground. The

top of the ladder reaches a point on the building that is 39 feet above the ground. To the nearest tenth of a foot, what is the distance between the base of the building and the base of the ladder?
13.3
14.2
36.6
41.5
Mathematics
1 answer:
BaLLatris [955]3 years ago
7 0
The correct answer is 2) 14.2
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Answer:

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Step-by-step explanation:

simplifying

6(y + -5) = 2(10 + 3y)

reorder the terms:

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(-30 + 6y) = 2(10 + 3y)

-30 + 6y = (10 * 2 + 3y * 2)

-30 + 6y = (20 + 6y)

add '-6y' to each side of the equation.

-30 + 6y + -6y = 20 + 6y + -6y

combine like terms: 6y + -6y = 0

-30 + 0 = 20 + 6y + -6y

-30 = 20 + 6y + -6y

combine like terms: 6y + -6y = 0

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-30 = 20

solving for:

-30 = 20

the left and right sides are not equal, so there isn't any solution!

4 0
3 years ago
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Dose this table represent a function?
iogann1982 [59]
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3 years ago
Necesito ayuda por favor es para mañana
Elena L [17]

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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