makibelmagane makibelmagane

28-11-2021
Mathematics

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the arithmetic mean between a and 10 is 30. find the value of a ?

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kashaijadastani kashaijadastani

28-11-2021

Answer:

20

Step-by-step explanation:

Arithmetic mean = sum of value÷Number of value

=10+30=40÷2=20

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