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1 answer:
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Answer: The difference is,
Step-by-step explanation:
Given expression is,
By distributive property,
Combine like terms( that have the same variables and powers ),
Which is the required result.
Hence, option third is correct.
Answer: ~2.45 cups, or A
Step-by-step explanation:
First, find the area of the circle. Area formula is , but instead of the radius, we have the diameter. Halve the diameter to get the radius of 10 inches.
A = pi * 100
So the pizza has an area of around ~314.15 square inches.
Divide this number by 16 square inches to find how many 1/8 cups Tony uses.
314.15/16 = ~19.63 1/8 cups.
You can then divide 19.63 by 8 to receive how many cups he uses.
<h2>Answer with explanation:</h2>
As per given , we have
n= 64
a) Since , the sample mean is the point estimate for the population mean.
Therefore, the point estimate of the population mean =
b) Critical z-value for 99% confidence :
Confidence interval :
Hence, the 99 percent confidence interval for the population mean is between 7.46 and 8.88.