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cluponka [151]
3 years ago
13

A Ferris wheel can accommodate 70 people in 15 minutes. How many people could ride the Ferris wheel in 2 hours? What was the rat

e per hour?
Mathematics
1 answer:
kenny6666 [7]3 years ago
8 0
<h2>Answer: 300 people can ride in 2 hours. The rate is 150 people per hour. </h2><h2> </h2><h2></h2><h2>Step-by-step explanation: You could first find out how many people can ride in an hr by multiplication. We know 50 people can ride in 20 minutes. </h2><h2> </h2><h2> </h2><h2> </h2><h2>So, 50 x 3 = 150 people can ride in 1 hr (because there are 3, 20-minute increments in 1 hr) </h2><h2> </h2><h2>150 x 2 = 300 </h2><h2> </h2><h2> </h2><h2> </h2><h2>300 people can ride in 2 hours. The rate is 150 people per hour. </h2><h2> </h2><h2></h2><h2></h2>
You might be interested in
2 consecutive even numbers add to equal 178. What is the smallest of the 2 numbers?
Diano4ka-milaya [45]

Answer:

The smallest number is 88

Step-by-step explanation:

Let

x ----> the first consecutive even number

x+2 --->the second consecutive even number

we know that

The linear equation that represent this problem is given by

x+(x+2)=178

solve for x

2x=178-2\\2x=176\\x=88

so

x=88\\x+2=88+2=90

therefore

The smallest number is 88

4 0
3 years ago
Scott drove 871 miles in 13 hours. At the same rate, how long would it take him to drive 469 miles?
olga55 [171]

871 miles ........... 13 hours

469 miles ............x hours

x = 469×13/871 = 7 hours

4 0
3 years ago
Find the volume of a right circular cone that has a height of 17.5 ft and a base with a diameter of 6.1 ft. Round your answer to
julia-pushkina [17]
Answer:
volume of cone = 170.5 ft³

Explanation:
The volume of the right circular cone can be calculated as follows:
volume = \frac{1}{3} * \pi *r^2 *h

We are given that:
diameter = 6.1 ft.......> This means that: radius (r) = 6.1 / 2 = 3.05 ft
height (h) = 17.5 ft

Substitute with the givens in the above equation to get the volume as follows:
volume = \frac{1}{3} * \pi *(3.05)^2*17.5

volume = 170.477 which is approximately 170.5 ft³

Hope this helps :)

6 0
3 years ago
Jerry took a sample of 4 employees in his office and observed how many hours they each worked one day.
Illusion [34]

The error in Jerry's calculation is 4.84

The number of employees, N = 4

The mean is calculated as:

\mu = \frac{10+2+4+8}{4} \\\mu = \frac{24}{4} \\\mu = 6

The formula for the standard deviation is:

SD =\sqrt{\frac{\sum{(x-\mu)^2}}{N} }

This can be further calculated as:

SD = \sqrt{\frac{(10-6)^2+(2-6)^2+(4-6)^2+(8-6)^2}{4} }\\\\SD = \sqrt{\frac{4^2+(-4)^2+(-2)^2+(2)^2}{4} } \\\\SD = \sqrt{\frac{16+16+4+4}{4} } \\\\SD = \sqrt{\frac{40}{4} } \\\\SD = \sqrt{10} \\\\SD = 3.16

Jerry thinks the Standard Deviation = 8

The true Standard Deviation = 3.16

Error = |True value - Measured value|

Error = |3.16 - 8|

Error = 4.84

Learn more here: brainly.com/question/18562832

3 0
2 years ago
Read 2 more answers
2) Select the algebraic definition for the piecewise function graph.
Lady bird [3.3K]

Answer:

The answer is C - 2x + 8.

Step-by-step explanation:

In the first domain:

0 \leqslant x < 2

does not exist.

in the second domain:

2 \leqslant x < 4

The function is:

f(x) =  - 2x + 8

7 0
3 years ago
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