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Vlad [161]
3 years ago
6

How do i write in algebraic expression twice the sum of t and 2

Mathematics
2 answers:
Montano1993 [528]3 years ago
7 0
The algebraic expression is
2 (t + 2)
Finger [1]3 years ago
7 0
The algebraic expression for two times the sum of t and 2:  2(t+2)
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In an all boys school, the heights of the student body are normally distributed with a mean of 70 inches and a standard deviatio
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Answer:

0.010

Step-by-step explanation:

We solve the above question using z score formula

z = (x-μ)/σ, where

x is the raw score = 63 inches

μ is the population mean = 70 inches

σ is the population standard deviation = 3 inches

For x shorter than 63 inches = x < 63

Z score = x - μ/σ

= 63 - 70/3

= -2.33333

Probability value from Z-Table:

P(x<63) = 0.0098153

Approximately to the nearest thousandth = 0.010

Therefore, the probability that a randomly selected student will be shorter than 63 inches tall, to the nearest thousandth is 0.010.

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3 years ago
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Answer:

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Step-by-step explanation:

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Well the displacement of milage from the 2 places if 75km however, the women and her car are in the same place so there is no displacement. But 75km is the correct mathematical answer.
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