Answer:
x= 3 +, 3 -
Step-by-step explanation:
You use the quadratic formula to get x=
Then you simplify and get the answers x= 3 +, 3 -
How can the associative property be used to mentally solve 48+82?
1 answer:
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To find the mean, you have to add all the numbers then divide it by how many numbers there are.
In this case, you'll need to add all those numbers and divide it by 4.
The mean is 1995.
In this case, you'll need to add all those numbers and divide it by 4.
The mean is 1995.
Answer:
Mean =
Standard deviation =
Step-by-step explanation:
x P(x)
33 0.02 0.66 21.78
34 0.06 2.04 69.36
35 0.1 3.5 122.5
36 0.2 7.2 259.2
37 0.24 8.88 328.56
38 0.26 9.88 375.44
39 0.1 3.9 152.1
40 0.02 0.8 32
1 36.86 1360.9
We are supposed to find mean and standard deviation
Mean =
Standard deviation =