Which answer uses the distributive property to simplify the following? 3 × (5 + 8) A. (3 × 5) + (3 × 8) B. (3 × 5) × (3 × 8) C.
1 answer:
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Answer:
x=4.5 or 9/2
Step-by-step explanation:
=
Then, cross multiply
6×X=6x
9×3=27
6x=27
x=4.5
Answer:
a) Sample mean: 48.71
Sample median: 48.3
Sample variance: 5.41
Sample standard deviation: 2.37
Step-by-step explanation:
a) Sample mean:
Sample median: M=48.3
Note: I order the data increasingly and take the value N / 2 = 40. In this way there are 39 values above and 39 values below the median.
Sample variance:
Sample standard deviation
b)
