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xeze [42]
3 years ago
9

A B C D

Mathematics
2 answers:
Leni [432]3 years ago
8 0
Can you show me the number line?
jok3333 [9.3K]3 years ago
6 0

Answer:

b or d

Step-by-step explanation:

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Dina and Masha start cycling on a 20 km bike path at the same time. When Dina reaches the end of the path, Masha still has 4 km
sammy [17]

Answer:

0.5 hour

Step-by-step explanation:

Given

Speed of Dina = 10 km/h

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So the time Dina taken to complete the track is:

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her distance covered in 2 hours was:

Distance\ covered\ by\ Masha\ in\ 2\ hours=20-4\\=16 km

So we know the time and distance:

Now,

Speed\ of\ Masha=\frac{distance}{time}\\ =\frac{16}{2}\\ =8\ kilometer\ per\ hour

We have to calculate the time that will be needed by MAsha to complete the track:

As we know the speed and remaining distance

Speed=\frac{distance}{time}\\8=\frac{4}{time}\\ time=\frac{4}{8}\\time=0.5\ hours

Masha needs 0.5 hour to complete the track ..

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What's the nth root of 0.81
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Answer:

Step-by-step explanation:

0.9

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