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3 years ago

Is 5/8 a rational number?

2 answers:

7 0

5/8 is a rational number because 5/8 as a percentage is 62.5. As long as the number doesn't go on forever without any patterns, it will be a rational number. If it does go on forever and doesn't have a pattern then it is an irrational number.

3241004551 [841]3 years ago

3 0

Yes !!
rational numbers are those which can be written in the form of p/q , where q is not equal to 0 ....and p and q are real integers ...
so 5/8 is a rational number ...

Hope it helps !!!

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A submarine descended 3/5 of a kilometer in 1/5 of an hour. What was the submarine’s rate of descent in kilometers per hour?

grandymaker [24]

Answer:

3 km per hour

Step-by-step explanation:

You can deduct the answer instinctively since both the distance and the time of the descent are expressed in /5... so you can just get rid of the '/5' in both instances to get the result: 3 kilometers in 1 hour.

But you can also find it easily using the cross-multiplication system:

$\frac{3}{5} km = \frac{1}{5} hour$

Then you multiply each side by 5 to get

3 km = 1 hour

Thus the rate of descent is of 3 km per hour.

3 0

3 years ago

Read 2 more answers

What is the solution set for this inequality? -6x + 38 > -9

Alla [95]

Answer:

x<47/6

Step-by-step explanation:

-6x + 38 > -9

Subtract 38 from both sides;

-6x+38-38>-9-38

Simplify:

-6x>-47

Multiply both sides by (-1) ( reverse the inequality)

(-6x)(-1)<(-47)(-1)

Simplify;

6x<47

Divide both sides by 6

6x/6=47/6

Simplify;

x<47/6

Answered by NONE other than the ONE & ONLY #QUEEN herself aka #DRIPPQUEENMO!!!

HOPE THIS HELPED!!!

7 0

3 years ago

I need help with this question.

NISA [10]

Step-by-step explanation:

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3 years ago

Solve this inequality : 5x+7x<36

Lera25 [3.4K]

Answer:

x < 3

Step-by-step explanation:

5x+7x<36

12x<36

Divide both sides by 12

x<3

7 0

3 years ago

(a) It takes the Earth 365 days to complete a full orbit around the sun. It takes Jupiter approximately 4,332 days, 14 h, and 9

kogti [31]

1 year = 365 days.

1 day = 24 hours.

1 hour = 60 minutes.

First convert the hours and minutes in Jupiter orbit to days:

14*60 = 840 +9 = 849 minutes.

849 / 60 = 14.15 hours.

14.15 / 24 = 0.59 days.

Jupiter's orbit is 4332.59 days.

Now divide that by 365 for the number of years:

4332.59 / 365 = 11.87 years.

5 0

3 years ago