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dybincka [34]
3 years ago
8

This number is 0.02 more than five and five tenths

Mathematics
1 answer:
Nadya [2.5K]3 years ago
6 0
5 and 5/10s sounds like 5.5 so I'd do 5.5+0.02=5.52
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Help me please
vlabodo [156]

Answer:

Step-by-step explanation:

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3 years ago
Is 62 divisible by 9 ye
Aleksandr [31]

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No it is not evenly divided ( 6.8888)

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A train travels 110 km in the same time that a plane covers 385 km. If the speed of the plane is 20 km per hr less than 4 times
slamgirl [31]

Answer:

  • train: 40 kph
  • plane: 140 kph

Step-by-step explanation:

Let t represent the speed of the train in km/h. Then 4t-20 is the speed of the plane. Travel times are the same, so we can use the formula ...

  time = distance/speed

and equate the travel times.

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Cross multiplying gives ...

  110(4t -20) = 385t

  440t -2200 = 385t . . . . . eliminate parentheses

  55t -2200 = 0 . . . . . . . . . subtract 385t

  t -40 = 0 . . . . . . . . . divide by 55

  t = 40 . . . . . . . . . . . add 40; train's speed is 40 kph

  4t -20 = 140 . . . . . . find plane's speed; 140 kph

The train's speed is 40 km/h; the plane's speed is 140 km/h.

_____

<em>Check</em>

Train's travel time = 110 km/(40 km/h) = 2.75 h.

Plane's travel time = 385 km/(140 km/h) = 2.75 h.

4 0
3 years ago
Read 2 more answers
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bekas [8.4K]

Answer:

5×^4

Step-by-step explanation:

I think that is the answer.

5 0
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anastassius [24]
21 divided by 7 is 3. So he would have ate 3 scopes a day.
5 0
3 years ago
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