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Dima020 [189]
2 years ago
14

At what rate is a car traveling, if it goes 157.5 miles in 2.5 hours?

Mathematics
2 answers:
elena-s [515]2 years ago
8 0

Answer:

63

Step-by-step explanation:

vivado [14]2 years ago
3 0
63 mph
-divide 157.5 by 2.5
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Which relation is a functions?​
Anni [7]

Answer:

A

Step-by-step explanation:

What makes it a function?

If an x is unique but y can be duplicated

A is correct because the x are unique

B is incorrect because 3 is used twice

C is incorrect because -5 and -10 is used twice

D is incorrect because 20 is used twice

7 0
2 years ago
Which line is perpendicular to a line that has a slope of -5/6?
Anni [7]

Answer:

Line LM

Step-by-step explanation:

First, we need to know what the slope is of a line that would be perpendicular to a line with a slope of -5/6. To find this, we take the reciprocal and multiply it by -1. Therefore, the line we are looking for needs to have a slope of 6/5.

Based on the fact that the slope is positive, we can eliminate lines PQ and JK as they have a negative slope. This leaves us with lines LM and NO.

To find out whether or not it is between LM and NO, you could eyeball it by looking at the graph and simply counting which might be faster if you understand how to do that (rise/run), or you can use the pair of coordinates given to you on each line to calculate for slope.

Line LM - \frac{-3-3}{-5-0}=\frac{-6}{-5}=\frac{6}{5}

Line NO - \frac{-5-0}{-6-0}=\frac{-5}{-6}=\frac{5}{6}

Based on this, we know that line LM is perpendicular to a line that has a slope of -5/6.

<em>If you need help on calculating slope from two points, I'd suggest watching this video: </em><u>https://www.brightstorm.com/math/algebra/linear-equations-and-their-graphs/finding-the-slope-of-a-line-from-2-points-problem-1/#:~:text=Use%20the%20slope%20formula%20to,second%20points%20are%20x2%2C%20y2.</u>

7 0
1 year ago
Please help me. <br><br><br> Disclaimer: don't do it for points
Mnenie [13.5K]

Answer:

<u>1.</u>   1.50

<u>2.</u>  .75

<u>3. </u>  1.32

<u>4.</u>    3.06

<u>5.</u>   4cm

<u>6.</u>   .75

<u>7.</u>   2.75

<u>8.</u>   81

<u>9.</u>    3.63

<u>10.</u>   210.25

Step-by-step explanation:

<u>1.</u> 3 times pi equals radius. find radius using circumference. C=9.42.

<u>2.</u> 4.71=2TTr

<u>3. </u>  1.15 x 1.15

<u>4.</u>   1.75 x 1.75

<u>5.</u>  2 x 2

<u>6.</u>  4.7=2TTr

<u>7.</u>  17.28=2TTr

<u>8.</u><em> </em>9 x 9

<u>9.</u>   22.77=2TTr

<u>10.</u>  14.5 x 14.5

<h2>Note: These may not be the correct answers but I have tried my best!! :)</h2>
7 0
2 years ago
Read 2 more answers
Jeb took 1 hour 40 minutes to complete a road race that was three laps around a section of the city. He took 1/4 of the total ti
e-lub [12.9K]
Jeb took 1/4 of 100 minutes(1 hour 40 minutes) =25 minutes for the first lap. . so the rest 75 minutes , Jeb took 1/3 time so 25 minutes  for the second lap , the third lap Jeb took 100-50 = 50 minutes .
5 0
3 years ago
The dot plots below show the distributions of scores on a current events quiz for two classes of 24 students. Write a descriptio
Reptile [31]

Answer:

5

Step-by-step explanation:

5

3 0
3 years ago
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