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MariettaO [177]
3 years ago
5

2 MULTIPLE CHOICES! 75 POINTS!!! EASY!!

Mathematics
1 answer:
Leno4ka [110]3 years ago
8 0

Answer:

Step-by-step explanation:

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If Lebron can run 12 laps in 2 hours, approximately how long will it take him to run 60 laps?
ddd [48]

Answer:

10 hours

Step-by-step explanation:

Let's set up a proportion using the following setup.

hours/laps=hours/laps

We know that it takes him 2 hours to run 12 laps. We don't know how long it will take him to run 60 laps, so we can say it takes x hours to run 60 laps.

2 hours/12 laps=x hours/60 laps

2/12=x/60

We want to find out what x is. In order to do this, we have to get x by itself. Perform the opposite of what is being done to the equation. Keep in mind, everything done to one side, has to be done to the other.

x is being divided by 60. The opposite of division is multiplication, so multiply both sides by 60.

60*2/12=x/60*60

60*2/12=x

10=x

It will take Lebron 10 hours to run 60 laps.

3 0
3 years ago
The Kendal Company manufactures automobile engine parts. Running the manufacturing operations requires 12 watts (units of electr
bazaltina [42]
No parts are manufactures is when x=0 because it is run 0 hours

y=amount of elctricity needed
y=12(0)+24
y=0+24
y=24

24 watts are used on a day when no parts are manufactured
6 0
3 years ago
Solve x-5y=-30, 3x+5y=10 show your work
marin [14]

1) x = 5y - 30  

2) x = - 1.6y + 3.3

<em>im assuming these are 2 different questions</em>

<h3>Explanation:</h3><h3>1)</h3>

Start with the equation:

x - 5y= -30

add 5y to both sides:

x = 5y - 30

Your answer is x = 5y - 30  

<h3>2)</h3>

Start with the equation:

3x+5y=10

subtract 5y from both sides:

3x = -5y + 10

divide by 3 to get x singular

x = - 1.6y + 3.3

Your answer is x = - 1.6y + 3.3

Hope this helps :)

6 0
2 years ago
What is greater or less than
PIT_PIT [208]

Answer:

0.87 > 0.17

3.97 < 6.63

8.04 < 8.9

  Is that what ur looking for?

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
In frequency curve the points are joined by bits of a straight line. True/False​
pashok25 [27]
False. The frequency curve for a distribution can be obtained by drawing a smooth and free hand curve through the midpoints of the upper sides of the rectangles forming the histogram.
7 0
2 years ago
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