sakkhu188 sakkhu188

28-12-2019
Mathematics

contestada

If a mean of 3,6,a,9 and 10 is 7 find the value of a

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Аноним Аноним

28-12-2019

Answer:

the value of a is 7

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devishri1977 devishri1977

28-12-2019

Answer:

Step-by-step explanation:

Mean = 7

3+ 6 + a + 9 +10 / 5 = 7

28 + a / 5 = 7

28 + a = 7* 5

28 + a = 35

a = 35 - 28

a = 7

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