Plz help I will mark you brainlist plz
2 answers:
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Answer:
6) y = -x - 5
7) y = x + 3
Step-by-step explanation:
format y = mx + b
Answer:
- 16
Step-by-step explanation:
Average is calculated as
average =
Thus for the given 10 numbers we have
= - 5 ( multiply both sides by 10 )
total = - 50
let the number added be x, then
= - 6 ( multiply both sides by 11 )
total + x = - 66, that is
- 50 + x = - 66 ( add 50 to both sides )
x = - 16
The new number is - 16
Answer:
Step-by-step explanation: