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3 years ago

8

Can some one help me

2 answers:

matrenka [14]3 years ago

8 0

So again, you want to convert to decimals. 3 13/20=3.65 an 92/25= 3.68
so in order of least to greatest, you have 3 13/20, 92/25, 3.78, 3.788

Dmitry_Shevchenko [17]3 years ago

8 0

You can make them all fractions to make the ordering a lot simpler...

378/100, 3788/1000, 73/20, 92/25 now make all have a denominator of 1000

3780/1000, 3788/1000, 3650/1000, 3680/1000 so now we can just compare the numerators to see which is least to greatest...

3 13/20, 92/25, 3.78, 3.788

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Umnica [9.8K]

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Step-by-step explanation:

Given:

Passes through point (1, 3)

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Lostsunrise [7]

Given:

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To find:

The initial speed of the train.

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New speed of train = (x+4) km/h

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Time taken by the train initially to cover 288 km is $\dfrac{288}{x}$ hours.

New time taken by the train to cover 288 km is $\dfrac{288}{x+4}$ hours.

It is given that If the speed has been 4 km per hour more it would have taken one hour less for the same journey.

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Splitting the middle term, we get

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We know that the speed cannot be negative. So, the only possible value of x is 32.

Therefore, the speed of the train is 32 km/h.

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2 years ago

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artcher [175]

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