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telo118 [61]
2 years ago
10

The grade of a road is the slope of a road. In the U.S., grade is often expressed as a percent by finding the product 100(slope)

. Approximate the grade of a road that has a rise of 950 ft over 3 mi.
A. 3%
B. 5%
C. 6%
D. 9%
Mathematics
1 answer:
bagirrra123 [75]2 years ago
6 0
The grade of a road is the slope of a road. In the U.S., grade is often expressed as a percent by finding the product 100(slope). Approximate the grade of a road that has a rise of 950 ft over 3 mi is :
A. 3%

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38,496 rounded to the nearest thousand is 38,000.
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Nakita rode her skateboard at an average speed of 8.8 feet per second for 0.2 miles. She wants to calculate how long it took her
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Answer: 2\ minutes

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We know that:

d=rt

Where "d" is distance, "r" is rate and "t" is time.

Solved for the time "t":

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The first step is to convert the distance from miles to feet.

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Knowing that:

r=8.8\ \frac{ft}{s}

We can substitute values into t=\frac{d}{r} in order to find the time in seconds:

t=\frac{1,056\ ft}{8.8\ \frac{ft}{s}}\\\\t=120\ s

Since:

1\ minute = 60\ seconds

The time in minutes is:

t=(120\ s)(\frac{1\ min}{60\ s})\\\\t=2\ min

7 0
2 years ago
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Answer:

11 lessons

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360-85=275

275/25=11

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