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3 years ago

Which expression is equivalent to (5m) ^3

Mathematics

2 answers:

Alecsey [184]3 years ago

8 0

Answer:

5m•5m•5m

Step-by-step explanation:

so you multiply the factor by itself as many times as the exponent says so if the factor is 5m you would multiply it by the exponent which in this case is 3

Evgen [1.6K]3 years ago

3 0

Answer:

5mx5mx5m

Step-by-step explanation:

Mulyiply 5m three timea

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3 years ago

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3 years ago

A college football coach has decided to recruit only the heaviest 15% of high school football players. He knows that high school

Alla [95]

Answer:

The coach should start recruiting players with weight 269.55 pounds or more.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 225 pounds

Standard Deviation, σ = 43 pounds

We are given that the distribution of weights is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

We have to find the value of x such that the probability is 0.15

$P( X > x) = P( z > \displaystyle\frac{x - 225}{43})=0.15$

$= 1 -P( z \leq \displaystyle\frac{x - 225}{43})=0.15$

$=P( z \leq \displaystyle\frac{x - 225}{43})=0.85$

Calculation the value from standard normal z table, we have,

$P(z < 1.036) = 0.85$

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Thus, the coach should start recruiting players with weight 269.55 pounds or more.

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3 years ago

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