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klemol [59]
2 years ago
15

Nipa exercises for 225 minutes a week. How many hours does she exercise in a year?

Mathematics
1 answer:
Lena [83]2 years ago
7 0
About 12,000 minutes a year.
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a boat is going 144 miles upstream on a river. the speed of the boat in still water is 60 miles per hour. the speed of the river
Katena32 [7]

Answer:

Let  b  =  rate of the boat.

Let  r  =  rate of the river.

The rate going downstream is  b + r.

The rate going upstream is  b - r.

rate x time  =  distance

4(b + r)  =  144     --->     b + r  =  36     [divide both sides by 4]

9(b - r)  =  144      --->     b - r  =  16      [divide both sides by 9]

Add town:                          2b  =  52  

Divide by :                           b  =  26  mi/hr

                                           r  =  10  mi/hr

Step-by-step explanation:

5 0
2 years ago
Please help me with these questions I am begging anyone please help
Y_Kistochka [10]

Answer:

1)rs.6000

Step-by-step explanation:

1)30 000*20/100=rs.6000

Sorry I don't know the answers for other questions cause I don't know outright price

5 0
3 years ago
35 POINTS
dmitriy555 [2]
If the lines are parallel, they have no solutions because they never touch
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3 years ago
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As Saturn revolves around the sun, it travels at a speed of approximately 6 miles per second. Convert this speed to miles per mi
bekas [8.4K]
Saturn will travel 86,400 miles in 4 minutes.
6 0
3 years ago
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HELPPP!!! I NEED HELP WITH 1-6!!!
xeze [42]

Explanation: turn the percentage into a decimal, like for number 4 make it 0.40
then divide it by 30
Really hopes this helps!
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3 years ago
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