The London Eye (a ferris wheel) makes one rotation in approximately 30 minutes. What is the measure of the angle (in degrees) that a cart (spoke on the wheel) will rotate in 12 minutes?

Answers

Answer 1

Answer: 1 rotation = 360 degrees
It takes 30 minutes.
It rotates (360/30) = 12 degrees every minute.

In 12 minutes, 1 seat will rotate (12 x 12) = 144 degrees.

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A slightly different way to do it:

1 rotation = 360 degrees
It takes 30 minutes.

12 minutes = (12/30) = 0.4 of a complete rotation.

0.4 of 360 degrees = (0.4 x 360) = 144 degrees

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A slightly different way to do it:

Set up the proportion:

(30 minutes / 360 degrees) = (12 minutes / 'x' degrees)

Cross-multiply the proportion:

30 x degrees-minutes = (12 x 360) degree-minutes

Divide each side by '30 minutes':

'x' degrees = (12 x 360 degree minutes) / 30 minutes = 144 degrees

Answer 2

Answer: 360/30=12 degrees per 1 minute
12minutes times 12 degrees equals 144 degrees.

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A sphere and a right cylinder have the same radius and volume. The cylinder has a height of 6 centimeters. What is the radius?

Is 324 inches least, greater, or equal to 27ft

Answers

1 foot = 12 inches
2 feet = (2 x 12 inches) = 24 inches
3 feet = (3 x 12 inches) = 36 inches
.
5 feet = (5 x 12 inches) = 60 inches
.
.
10 feet = (10 x 12 inches) = 120 inches
.
.
20 feet = (20 x 12 inches) = 240 inches
.
.
27 feet = (27 x 12 inches) = 324 inches I guess they're equal !

Yes.

324/12=27

Hope this helps :)

A parallelogram has an area of 396 square centimeters and a height of 18 centimeters.What is the length of the base of the parallelogram?

Answers

The length of the base of the parallelogram is 22 cm.

Given:
Area = 396 cm²
height = 18 cm

Area of a parallelogram is computed by multiplying its base to its height.

A = bh
396 cm² = b * 18cm
396 cm²/18cm = b
22 cm = b

What is the approximate volume of a cone with a height of 9 ft and radius of 3 ft?Use 3.14 to approximate pi, and express your final answer to the nearest tenth.

?? ft^3

Answers

volume of a cone=1/3 times height times area of base
area of base=area of circle=pi times r^2
r=3
aprox pi to 3.14
height=9

so we have
volume=1/3 times 9 times 3.14 times 3^2
3^2=9
1/3 times 9 times 3.14 times 9
3 times 3.14 time s9
9.42 times 9
84.78
nearest tenth
0.78=0.8

answer is 84.8 ft^3

Answer:wrong

Step-by-step explanation:

What is the reduced fraction of 35/210

Answers

Answer:1/6

Step-by-step explanation:

Find the GCD (or HCF) of numerator and denominator

GCD of 35 and 210 is 35

Divide both the numerator and denominator by the GCD

35 ÷ 35

210 ÷ 35

Reduced fraction:

Write a question that can be answered by making a tally chart

Answers

Which color do most children like best? ask 10 children make tally mark for each child's answer

there

The amount of vinegar that melody used for a recipe can be written as a whole number. Which could be the amount of vinegar that melody used?A.-3.75 tsp
B.1.5 tsp
C.2 1/3 tsp
D.12/3 tsp

Answers

D.

12/3 can be said as 12 divided by 3, and 12 divided by 3 is 4, which is a whole number.

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