Answer:
a) 12x + 22 b) 17
- x
Step-by-step explanation:
Perimeter is the sum of the each side length.
The first example is a rectangle so the (4x+8) and the (2x+3) are doubled.
(4x+8) x 2 = 8x+16
(2x+3) x 2 = 4x + 6
12x+22
(6 - 12x) + (2 + x) + (9 + 10x)
combine like-terms.
17 - x
Answer:
The distribution of the sampled means becomes normally distributed (bell shaped) as the sample size increases.
Explanation:
According to the Central Limit Theorem, if the mean values for increasing sample sizes are obtained, the distribution of sample means will be normally distributed, even if the individual samples do not have normal distributions.
Typically, sample sizes of 30 or greater are recommended.
Answer:
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Answer:
20.7=16.8
Step-by-step explanation:
.. the upper left of the radical sign is the power of the radical. Putting a 2 here means square root. Putting a 3 here means cube root , etc
