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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>
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3 years ago
What is the measure of the secant AB
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3 years ago
8x + 20y = 20<br> 14x + 35y = k<br> For the above system of equations to be consistent, k must equal
Goshia [24]

Answer:

  35

Step-by-step explanation:

The equations will be "consistent" when they describe lines that are not parallel.

<h3>Slopes</h3>

The slope of a line whose equation is written in this form is the opposite of the ratio of the y-coefficient to the x-coefficient:

  line 1 slope = -8/20 = -2/5

  line 2 slope = -14/35 = -2/5

These lines have the same slope, so will be parallel unless they have the same y-intercept.

<h3>Y-intercept</h3>

The y-intercept of each line is the ratio of the constant to the y-coefficient:

  line 1 y-intercept = 20/20 = 1

  line 2 y-intercept = k/35

We want these lines to have the same y-intercept so that they are not inconsistent. This requires ...

  k/35 = 1

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For the equations to be consistent, we must have k = 35.

__

<em>Additional comment</em>

Linear equations are generally categorized as "consistent" or "inconsistent," and "dependent" or "independent."

Equations are "inconsistent" if there are no values of the variables that satisfy all of the equations. They are "dependent" if they describe exactly the same relation between the variables. "Consistent" equations may be "dependent" (describing the same line, as here), or "independent" (describing lines with different slopes.)

7 0
2 years ago
How to solve 9(n+3)=7n-3)
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8 0
3 years ago
Read 2 more answers
What is the missing angle?
Zina [86]

Answer:

I believe its 57.

Step-by-step explanation:

180-66=57.

57+57+66=180

7 0
3 years ago
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