3 years ago

Exponent laws I don't get it so can you explain it step by step

Mathematics

1 answer:

leva [86]3 years ago

4 0

I am a famous youtuber

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3 years ago

Heights of men in the United States approximately normally distributed with a mean of 70 inches and a standard deviation of 2.5

ozzi

Answer:

0.0228

Step-by-step explanation:

Given that $\mu=70, \sigma=2.5$

-Let X be the height of the randomly selected man.

-The probability that X>75 inches is calculated as:

$P(X>75)=P(z>\frac{X-\mu}{\sigma})\\\\=P(z>\frac{75-70}{2.5})\\\\=P(z>2)\\\\\therefore P(X>75)=1-P(X$

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3 years ago

8/15 round the the third decimal in place

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Step-by-step explanation:

You could use a calculator.

8÷15=0.533333333...

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3 years ago

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A 100 ft length of steel chain weighing 15 lb/ft is danglingfrom a pulley. How much work is required to wind the chain onto thep

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Answer:

Step-by-step explanation:

Weight is 1500 lb

Movement is counted in mass center 50 ft

Work= F*D

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4 years ago

Oanna earns $10 per hour at her job. Last week, Joanna earned $400.

kotegsom [21]

Answer:

40 hrs

Step-by-step explanation:

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