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Roman55 [17]
2 years ago
7

A balloon is rising vertically at the rate of 12 feet per second; at the same time, it is being blown horizontally by a wind of

18 feet per second. Find the angle its path makes with the horizontal.

Mathematics
1 answer:
Nuetrik [128]2 years ago
8 0

Answer:

Angle is 33.82°

Step-by-step explanation:

It is given that, from the figure below,

Vertical distance = 12 feet

Horizontal distance = 18 feet.

Using the trigonometric rule for the right triangles, we have,

\tan x=\frac{perpendicular}{base}

i.e. \tan x=\frac{12}{18}

i.e. \tan x=0.67

i.e. x=\arctan 0.67

i.e. x= 33.82°

Thus, the angle made by the path with the horizontal is 33.82°.

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Step-by-step explanation:

let width be x

length = 6+x

x times 6+x=135

2x+6=135

2x=135-6

129/2=x

64.5

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A time series that shows a recurring pattern over one year or less is said to follow a Select one:______
zaharov [31]
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The circle with center O has a minor arc BSA with a length of
tangare [24]

Answer:

D. \frac{27\pi}{2} inches.

Step-by-step explanation:

We have been given that the circle with center O has a minor arc BSA with a length of 3\pi^{2} inches. The central angle is 40°.

To find the circumference of circle we will use formula:

\frac{\text{Central angle}}{2\pi}=\frac{\text{Arc length}}{2\pi r}, where 2\pi= measure of 360 degrees in radians and 2\pi r= circumference of circle.  

Let us convert measure of central angle into radians.                        

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Upon substituting our given value in the formula we will get,        

\frac{\frac{2\pi}{9}}{2\pi}=\frac{\frac{3\pi}{2}}{2\pi r}

\frac{2\pi}{18\pi}=\frac{3\pi}{4\pi r}    

\frac{1}{9}=\frac{3}{4r}      

Cross multiplying we will get,      

4r=27  

r=\frac{27}{4}

Hence, the radius of our circle is 27/4 inches.  

Since the circumference of circle is 2\pi r. Upon substituting  r=\frac{27}{4} we will get,

2\pi r=2\pi* \frac{27}{4}=\frac{27\pi}{2}

Therefore, circumference of our given circle will be \frac{27\pi}{2} inches and option D is the correct choice.

6 0
3 years ago
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Answer:

x = 7

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Divide both sides by 7: x = 7

4 0
3 years ago
PLEASE HELP!!!
amid [387]
For your answer you would get 1.40 dollars as your answer or B
4 0
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