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iren [92.7K]
3 years ago
11

What is the approximate height of the building? Round to the nearest tenth of a foot. feet

Mathematics
2 answers:
Musya8 [376]3 years ago
8 0

Answer:

22.5

Step-by-step explanation:

tatyana61 [14]3 years ago
5 0

Answer:

22.5 feet

Step-by-step explanation:

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Which angle is an x–intercept for the function y=cos(1/2x)? A. 0 B. pie/2 C. pie D. 2pie
Neporo4naja [7]

Answer:

For the function

y = cos(1/2 x)

The x-intercept can be calculated by equating the function to zero and solving for x. So,

y = cos(1/2 x) = 0

1/2 x = arc cos 0

1/2 x = 90° +180°n

x =2 (90° +180°n)

x = 180° + 360°n

or converting to radians

x = (180° + 360° n)(π/180°)

x = π + 2π n

where n is any whole number

if n = 0

x = π

Therefore, the x-intercept is π or π+2π n

Step-by-step explanation:

Plz give me brainleist worked hard thanks

6 0
2 years ago
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The area of a circular field is 16π square miles. What is the diameter of the field in miles.
ella [17]

Answer:

8

Step-by-step explanation:

1. Divide the area (in square units) by Pi (approximately 3.14159).

2. Take the square root of the result. This is the radius.

3. Now double the radius to get the diameter

3 0
3 years ago
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Find the length of the variable .
ira [324]
DONT CLICK THE LINK!!!

THEY WILL FIND YOU ADDRESS

I REPEAT DONT CLICK THE LINK!!!!!!
5 0
3 years ago
How would I solve this?
trasher [3.6K]

You had the right idea using the Pythagorean theorem to solve for b.

Problem is for that triangle to work, the 5 and the 2√2 would have to switch places. The length of a leg cannot be larger than the length of the hypotenuse for it to truly be a right triangle.

Pythagorean theorem only works for the right triangles. Only way to "solve this problem would be to bring in complex numbers.

5² + b² = (2√2)²

25 + b² = 2²(√2)²

25 + b² = 4(2)

25 + b² = 8

b² = 8 - 25

b² = - 17

b = √-17

b= (√17i)

Then the problem with THIS is a measurement/distance cannot be negative... which goes against exactly what that complex number i is.

8 0
3 years ago
Write an expression in the simplest form that represents the perimeter of the following shape
____ [38]

Perimeter is adding all 4 sides together:

8 + 8 + 9x + 9x

Simplify by coming like terms to get:

18x + 16

The answer is d. 18x + 16

3 0
3 years ago
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