Answer:
g (x) = 3x^2 − 2x + 5
Step-by-step explanation:
Answer:
Grace should use her phone for 58 minutes to maintain an average of 55 minutes.
Step-by-step explanation:
Usage of first month = 43 minutes
Second month = 62 minutes
Third Minutes = 57 minutes
Let, the usage of fourth month = k minutes
Mean of the data = 5 minutes
Now, Average of a Data = 
⇒
or, 55 x 4 = 162 + k
⇒ 220 - 162 = k
or, k = 58 minutes
So, Grace should use her phone for 58 minutes to maintain an average of 55 minutes.
Answer:-72
Step-by-step explanation:
(6)*(-12)
-72
The expected assembly time is the middle of the range of the uniform distribution, 8 minutes.
Answer:
the item would cost 25.65
Step-by-step explanation: