The average of 10 numbers is −10. If the sum of 6 of them is 100, what is the average of the other 4? 20pts
2 answers:
Answer:
The sum of the other 4 numbers is 
Step-by-step explanation:
Let
x------> the sum of 6 numbers
y-----> the sum of the other 4 numbers
we know that
-----> equation A

substitute the value of x in the equation A






Answer:
-50
Step-by-step explanation:
if the average of the 10 numbers is -10, that means the sum will be -10*10 or -100.
the sum of 6 numbers is 100
Then the sum of the 4 numbers would be (-100-100) or -200
From that we count the average to be -200/4 or -50
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Have a wonderful day
C is the answer yeah yeah
I think what you need to do is make B = -5
3a = -2(-5) - 7
3a = 10 - 7
3a = 3
a = 1