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Gekata [30.6K]
3 years ago
10

I need help really bad

Mathematics
1 answer:
mestny [16]3 years ago
5 0

Answer:

see explanation

Step-by-step explanation:

If f(x) and f^{-1} are inverse functions, then

f(f^{-1})(x) = x

Thus substitute x = f^{-1} (x) into f(x)

f(\frac{x+6}{5} )

= 5 (\frac{x+6}{5} ) - 6

= x + 6 - 6

= x

Thus f(x) and f^{-1} (x) are inverse functions

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Suppose Cotangent (theta) = StartFraction 5 Over 12 EndFraction, where Pi less-than theta less-than StartFraction 3 pi Over 2 En
Agata [3.3K]

Answer:

Sin theta = 12/13

Step-by-step explanation:

From the question;

Cot theta = 5/12

Kindly recall;

Cot theta = 1/ tan theta

Hence, tan theta = 12/5

Mathematically

tan theta= opposite/adjacent

to get hypotenuse, we will use Pythagoras’ theorem which states that the square of the hypotenuse equals sum of the squares of the two other sides

let hypotenuse be h

h^2 = 12^2 + 5^2

h^2 = 144 + 25

h^2 = 169

h = √169

h = 13

But sine theta = opposite/ hypotenuse = 12/13

5 0
3 years ago
Dr. Stewart just started an experiment. She will collect data for 4 days. How many hours is this?
Lelu [443]
24 hours in a day for 4 days its 96 hours
7 0
3 years ago
Read 2 more answers
Please answer question now
kirill [66]

Answer:

\overrightarrow{VU}\text{ and }\overrightarrow{VW}

Step-by-step explanation:

From the given figure it is clear that we two rays because both sides have one endpoint and goes on infinitely in only one direction.

If a ray has end point at A and goes on infinitely in only one direction towards point B, then ray is denoted as \overrightarrow{AB}.

For first side, we have point V as end point and ray goes goes on infinitely in only one direction towards point U. So, first side is \overrightarrow{VU}.

For second side, we have point V as end point and ray goes goes on infinitely in only one direction towards point W. So, second side is \overrightarrow{VW}.

Therefore, the sides are \overrightarrow{VU}\text{ and }\overrightarrow{VW}.

7 0
3 years ago
9 29/40 as a decimal
Mars2501 [29]

Step-by-step explanation:

I think 9.279..............

7 0
3 years ago
an airplane can travel 550 mph in still air. if it travels 3498 miles with the wind in the same length of time it travels 3102 m
castortr0y [4]

Answer:

The 20 mph headwind slows the plane down. This is because the headwind comes at the head of the plane and goes in the opposite direction of the plane.

So the plane's actual speed (with the wind included) is 550-20 = 530 mph.

Good luck!

6 0
3 years ago
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