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givi [52]
3 years ago
9

Kalani has run 4 1/5 miles in 2/3 an hour. If he continues to run at this rate, how many miles will he run in one hour?

Mathematics
1 answer:
Blizzard [7]3 years ago
6 0

Answer:

Kalani will run 6.3 miles OR 6 3/10 miles.

Step-by-step explanation:

So first step that I would do is make it easier to understand by converting the fraction to a whole number. 2/3 hour= 40 minutes.

So Kalani runs 4 1/5 miles in 40 minutes.

Then, we convert 4 1/5 to 4.2. Next, I would divide 4.2 by 2 to get how long he ran in 20 minutes. 4.2/2=2.1.

The final step is to add 2.1 and 4.2 and we get 6.3.

Extra step:

But if we need to turn it back into a fraction, it would be 6 3/10

Hope this helps :)

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If someone could work out the first half of the problem and explain that would be great!
andrew-mc [135]

Answer:

x = -5

y = -5

Step-by-step explanation:

If you multiply the top equation by negative 2, you can add it to the bottom equation and cancel out the x:

-2(-x + 5y = -20) --> 2x - 10y = 40

Add this to the bottom equation top to bottom:

2x - 10y = 40

-2x + 4y = -10

You get:

-6y = 30

Then solve for y:

y = -5

Plug this back in for either equation and solve for x:

-x + 5(-5) = -20

-x -25 = -20

-x = 5

x = -5

Your answers are:

x = -5

y = -5

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3 years ago
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False ..................................
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What is the value of x to the nearest tenth
serg [7]

Answer:

8.0

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4 years ago
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Gina needs to buy a bathroom mirror that is 3 feet wide and 6 feet long. If the mirror sells for $3.00 per square foot, what wil
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Answer:

$54

Step-by-step explanation:

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I need help on number 1.
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I think about 7 1/4 I hope I helped You!!
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