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Gnesinka [82]
3 years ago
7

F(x)=4x^3+Ax^2+8x-1 and f(2)=1

Mathematics
1 answer:
I am Lyosha [343]3 years ago
4 0
The answer for A is A=-11.5
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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
almond37 [142]

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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3 years ago
17,34,35,70,71,142,143,_,_,_ find the next three numbers
iris [78.8K]

Answer: 160,161,178

Step-by-step explanation: first it adds 17 to the equation then adds 1 repeat this process and you get these answers.

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