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FrozenT [24]
4 years ago
9

What is the value of 2a when a is 2

Mathematics
2 answers:
mel-nik [20]4 years ago
8 0


<u />a=2

2a=2*2=4     (replace a with 2)

The answer is 4.

Aloiza [94]4 years ago
5 0
The value is of 2a is 4 because when a letter with a value is beside a number it means that you have to multiply it
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3 years ago
Mr. Thomas cooked 36 hamburgers and hot dogs at a cookout. He cooked twice as many hot dogs as hamburgers. How many hamburgers a
coldgirl [10]

Answer:

Step-by-step explanation:

36 times 2 equals 72.

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assume that women's heights are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches. find the
drek231 [11]

Answer:

65.3658 inches

Step-by-step explanation:

Let X be the height of a woman randomly choosen. We know tha X have a mean of 63.6 inches and a standard deviation of 2.5 inches. For an x value, the related z-score is given by z = (x-63.6)/2.5. We are looking for a value x_{0} such that P(X < x_{0}) = 0.76, but, 0.76 = P(X < x_{0}) = P((X-63.6)/2.5 < (x_{0}-63.6)/2.5) = P(Z < (x_{0}-63.6)/2.5), i.e., (x_{0}-63.6)/2.5 is the 76th percentile of the standard normal distribution. So, (x_{0}-63.6)/2.5 = 0.7063, x_{0} =63.6+(2.5)(0.7063) = 65.3658. Therefore, the height of a woman who is at the 76th percentile is 65.3658 inches.

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3 years ago
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3 years ago
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