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2 years ago

Nolan rides his bike 63 miles in 270 minutes. What is his average speed in miles per hour?

1 answer:

8 0

Here, to find the average rate of change, you would simply divide 270 by 63. And when that is done, you would get a long decimal. 4.285714285714286

And since you obviously can't put in such a long decimal as your answer, you would round it instead. Once rounded, you would end up with 4.29 (because the number after 8 is five, which rounds up, which would turn the 8 to 9.)

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Over [174]

<h2>Answer:</h2>

<u><em>The answer has to be 30. </em></u>

<h2>Step-by-step explanation:</h2>

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2 years ago

What is x in 5x +(3-1)=12

olga2289 [7]

Answer:

x=2

Step-by-step explanation:

5x +(3-1) =12

5x +2 =12

5x =12-2

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2 years ago

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kozerog [31]

Answer:

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2 years ago

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atroni [7]

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2 years ago

Use the given conditions to write an equation for each line in general form.

Aneli [31]

Answer:

It's the last choice:

2x + y - 1 = 0.

Step-by-step explanation:

x - 2y - 3 = 0

Convert to slope-intercept form in order to find the slope:

-2y = -x + 3

y = 1/2x - 3/2

So the slope is 1/2. The slope of a line perpendicular to this is -1 / 1/2 = -2.

Using the point-slope form to find the required equation:

y - y1 = m(x - x1)

x = 4 and y = -7 so we have:

y + 7 = -2(x - 4)

y + 7 = -2x + 8

2x + y - 1 = 0 is the answer.

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3 years ago