Help 11 minutes!!!!!!
1 answer:
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Answer:
x = ± 5
Step-by-step explanation:
x² - 25 = 0 ( add 25 to both sides )
x² = 25 ( take square root of both sides )
x = ± = ± 5
That is x = - 5, x = 5
Data:
Average (A): ?
Arithmetic mean (A.M) = 5, -2, -11, 0, -3sum of n numbers = 5
Solving:
Answer:
<span>The average low temperature of these days is -2.2</span>
Average (A): ?
Arithmetic mean (A.M) = 5, -2, -11, 0, -3sum of n numbers = 5
Solving:
Answer:
<span>The average low temperature of these days is -2.2</span>