I'm looking at the top at 79.9 angle. I'm 100ft away. What's the height of the building?

Answers

Answer 1

Answer: To solve this, notice that you have the angle component (I will call this a) and the x-component (the distance of you from the building) of a trig formula, and you are looking for the y-component. We will use the tangent formula, since this incorporates the angle, x, and y components.

1. Write the formula

tan(a) = y ÷ x

2. Rewrite to include the known values.

tan(79.9) = y ÷ 100

3. Solve for the unknown variable, y.

tan(79.9) × 100 = y ÷ 100 × 100

tan(79.9) × 100 = y

4. A fancy step that I call the "flip flop."

y = tan(79.9) × 100

5. Use a calculator to find the value (make sure the calculator is in "degree" and not "radians" mode).

y = 561.3968

6. Round the number as is appropriate for this problem.

Have a great day!

Answer 2

Answer: so this is a trig problem

so you have a right triangle
base=100 ft
from wher you are standing, it is a 79.9 angle to the top
we want to find the height of the tower or the opposite side
the base is the adjacent side so you are looking for o/a or tan(79.9) since you know one of the sides so therefor
tan(79.9)=h/100
evaluate tan(79.9)
tan(79.9)=5.61396
5.61396=h/100
multiply both sides by 100
561.396=h
round to tenths place
561.4
the height=561.4 ft

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How much is 2/3 of 9 marbles?

Answers

6 marbles
Explanation: Take 9 and ÷ by 3, then take 2 and multiply it by 2.

Answer:

Step-by-step explanation:

First divide 9 by 3 to get 3, then multiply 3 by 2 to get 6.

Trust me on this, also can I have brainiest please?

Hope you do well! :D

Jake went on a road trip with his family this summer. On Monday, they drove 629 miles. Tuesday, they drove 215 miles. On Wednesday, they only drove 111 miles. And, on Thursday, they drove 588 miles. What is the total number of miles that Jake's family traveled?

Answers

Answer:

1543 miles

Step-by-step explanation:

629 + 215 + 111 + 588 = 1543

Solve 3x -9x + 7 - 3 = -8

Answers

3x - 9x + 7 - 3 = -8
-6x +4 =-8
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Which measurement is most accurate to describe the length of a ladybug?9 mm
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Answers

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The greatest common factor of 3m2n + 12mn2 is

Answers

$3m^2n + 12mn^2=3mn\cdot(m+4n)$

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The director of marketing at a large company wants to determine if the amount of money spent on internet marketing is a good predictor of company profit. She fits a least-squares regression line to 20 months of data and computes the following regression line:Profit = 372.6 + 17.2(advertising dollars)

What is the value of the residual for advertising dollars spent equal to $1,020 and Profit equal to $17,500? Round to the nearest integer.

Answers

Given:
Profit = 17,500
advertising dollar = 1,020

regression line:

Profit = 372.60 + 17.2(advertising dollar)
17,500 = 372.60 + 17.2(1020)
17,500 = 372.60 + 17,544
17,500 = 17,916.60

There is a residual value of 416.60.

17,916.60 - 17,500 = 416.60

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