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stellarik [79]
3 years ago
15

A ladder 9.00 m long leans against the side of a building. if the ladder is inclined at an angle of 75.0° to the horizontal, wha

t is the horizontal distance from the bottom of the ladder to the building?
Mathematics
1 answer:
Anastaziya [24]3 years ago
3 0

The question describes a right triangle with hypotenuse as 9 and one of the angles as 75 degrees. We are looking for the length of the leg adjacent the given angle 75 degrees.

Recall that:

\cos{\theta}=\cfrac{adj}{hyp}\\ \\ \Rightarrow\cos75^o=\cfrac{x}{9}\\ \\ \Rightarrow x=9\cos75^o=9(0.2588)=2.3 ft.

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3 0
2 years ago
Please help me answer Questions A &amp; B. I have Plenty of Points
inna [77]

1) To get equation B from equation A, we will add a quantity to the left hand side of equation A. The correct option is A. Add/subtract a quantity to/from only one side

2) The equations are not equivalent. They do not have the same solution

<h3>Equations</h3>

From the question, we are to determine how we can get equation B from equation A

From the given information,

A. 5x - 2 + x = x - 4

B. 5x + x = x - 4

From above, we can observe that to get equation B from equation A, we will add 2 to the left hand side of equation A

That is

5x - 2 + 2 + x = x + 4     →     5x + x = x + 4

Hence, to get equation B from equation A, we will add a quantity to the left hand side of equation A. The correct option is A. Add/subtract a quantity to/from only one side

2) The equations are not equivalent. They do not have the same solution

Learn more on Equations here: brainly.com/question/21765596

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8 0
2 years ago
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makkiz [27]

Answer:

C

Step-by-step explanation:

That's the answer....

7 0
3 years ago
Determine the y-intercept of the graph of this equation: y - 3 = 2(x + 5)
dimaraw [331]

Answer:

y intercept is 13

Step-by-step explanation:

y - 3 = 2(x + 5)

To find the y intercept, let x=0 and solve for y

y - 3 = 2(0 + 5)

y - 3 = 2(5)

y -3 =10

y-3+3 = 10+3

y = 13

8 0
2 years ago
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