millardjunior17 millardjunior17

15-08-2021
Mathematics

contestada

The mean of 3 numbers is 7.two numbers are 4 and -5
Find the third number

Respuesta :

15-08-2021

Step-by-step explanation:

(-5+4+x)÷3=7

-5+4+x=21

x=21-4+5

x=22

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adarkwaloretta5 adarkwaloretta5

15-08-2021

l don't

know about this thing

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