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shepuryov [24]
3 years ago
6

(-0.3) + 0.9 find the sum

Mathematics
2 answers:
lesya692 [45]3 years ago
7 0
The answer is 0.6 how it helped
IceJOKER [234]3 years ago
3 0

Answer: (-0.3) + 0.9= 0.6


Step-by-step explanation:


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The bear lake is 24 miles long. Suppose John starts cycling art one end at 20 m.p.h. and Ramona starts at the other end at 15 m.
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Answer:

24/35 hours  or 0.69 hours

Step-by-step explanation:

we know that

The speed is equal to divide the distance by the time

Let

x-----> distance traveled by John

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The time is equal to divide the distance by the speed

so

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15x=20(24-x)

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15x+20x=480

35x=480

x=480/35 miles

the time is equal to

t=x/20

t=480/(20*35)=24/35=0.69 hours

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39 mg

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