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vampirchik [111]
3 years ago
13

Select the correct answer.

Mathematics
1 answer:
Veronika [31]3 years ago
4 0

Answer:

B

Step-by-step explanation:

let y = 5x - 3

rearrange making x the subject

add 3 to both sides

5x = y + 3 ( divide both sides by 5 )

x = \frac{y+3}{5}

change y back into terms of x, hence

f^{-1}(x) = \frac{x+3}{5} → B


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A Ferris wheel rotates 9π/8 radians prior to making a stop. The total height of the Ferris wheel is 246 ft. How far around did t
WARRIOR [948]

Answer:

The ferris wheel travelled 434.717 ft.

Step-by-step explanation:

Assuming that the ferris wheel is a perfect circle, then it's height is the same as the diameter of the circle, therefore it's radius is:

radius = height/2 = 246/2 = 123 ft

The distance travelled by the ferris wheel is the same as the length of the arc created by a angle of (9pi/8). The length of an arc is given by:

length = r*(angle in radians)

length = 123*(9pi/8)

length = 434.717 ft

The ferris wheel travelled 434.717 ft.

5 0
3 years ago
Simplify. −38+(1+22)2
Hitman42 [59]
It would be 3 over 5
4 0
3 years ago
Can someone help me plssssss
Akimi4 [234]

Answer:

16.5

Step-by-step explanation:

5 0
3 years ago
How to solve 5r/r+1=4-5/r+1
jenyasd209 [6]
MARK BRAINLIEST!!
So your solution is.
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3 0
3 years ago
Solve the equation by completing the square. Round to the nearest tenth, if necessary. Simplify your solutions and enter them fr
Slav-nsk [51]

Answer:

-1.1, 6.1

Step-by-step explanation:

-2X^2+10X+14=0

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Then use the quadratic formula because you can't factor

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A=1

B=-5

C=-7

4 0
2 years ago
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