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sladkih [1.3K]
3 years ago
6

What is the perimeter, P, of a rectangle that has a length of x + 8 and a width of y-1?

Mathematics
1 answer:
Alenkinab [10]3 years ago
8 0

Answer:

Step-by-step explanation:

Perimeter = 2*(length +width)

P = 2*( x+8 + y-1)

P = 2*(x + y + 7)

P =2x + 2y + 17

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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
The man paid $21 for a book bag that was taxed 20%. What was the original price of the bag?
Vlad1618 [11]

Answer:

15

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Explain how to draw a circle with a circumference of π2 inches. OPTIONS : The circle has a diameter of π2 inches, so use a diame
WINSTONCH [101]

Answer:

he circle has a radius of π inches, so use a radius of about 3.1 inches.

Step-by-step explanation:

The circumference of a circle can be described as the linear distance round the circle

The circumference of a circle = 2nr

n = 3.14

r = radius

the diameter is the straight line that passes through the centre of a circle and touches the two edges of the circle.

A radius is half of the diameter

diameter = 2r

If diameter = n2

diameter = 3.14 x 2 = 6.28

Radius = 1/2 x diameter = 6.28/2 = 3.1

4 0
2 years ago
Find the area of the composite figure to the nearest hundredth.
Lyrx [107]

Answer:

745.31

Step-by-step explanation:

1.  12.5^2 * 2 = 312.5

2. (3,14 * 156,25)/2 = 245.31

3.  (30 * 12.5)/2 = 187.5

4. 187.5 + 245.31 + 312.5 = 745.31

4 0
3 years ago
Solve the equation y = 200 - 5(x + 37) for x if y = 360.
julsineya [31]

Answer:

x= -35.153846

Step-by-step explanation:

360=200-5(x+37)

360=195(x+37)

360=195x+7215

360-7215=195x+7215-7215

-6855=195x

-6855/195=195x/195

-35.1538461538=x

-35.153846=x

I THINK ;]

7 0
3 years ago
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