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Troyanec [42]
3 years ago
7

The mean of 5 number is 11 the numbers are in ratio1:2:3:4:5 find the smallest number​

Mathematics
1 answer:
brilliants [131]3 years ago
3 0

Answer:

3 2/3

Step-by-step explanation:

If the mean is 11 and there are 5 numbers then their sum is 5 × 11 = 55 We have the ratio of parts being a : b : c : d : e → 1 : 2 : 3 : 4 : 5 so the total count of parts is 1 + 2 + 3 + 4 + 5 = 15. a-1/15x55=55 divided by 5/ 15 divided by 5=11/3=3 2/3

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Fofino [41]

Answer:

x ≥ 4

Step-by-step explanation:

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The line to the right is shaded indicating values of x greater than 4

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4 0
3 years ago
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Brady rode his bike 70 miles in 4 hours. He rode at an average speed of 17 miles per hour for t hours and at an average rate of
IceJOKER [234]

Answer:

Brady rides at slower speed which is 17 miles/hours for <em><u>3 hours and 36 minutes.</u></em>

Step-by-step explanation:

Given:

Brady rode 70 miles in 4 hours.

For t hours he rode at the average rate of 17 miles/hour

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To find the time Braady rode at the slower speed.

Solution:

Total time of riding = 4 hours

Time for which Brady rides at 17 miles/ hour = t  hours

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⇒ -5t+88

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Subtracting both sides by 88.

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Dividing both sides by -5.

\frac{-5t}{-5}=\frac{-18}{-5}

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Thus, Brady rides at slower speed which is 17 miles/hours for 3 hours and 36 minutes.

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