3 years ago

HALP!!!!!!!!!!!!!!!!!!

Mathematics

1 answer:

Nina [5.8K]3 years ago

4 0

A negative number.......

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The formula for finding the volume of a nose cone of an aircraft is V = (pi * d ^ 2 * h)/6 where d is the diameter of the base o

adell [148]

Answer:

$h=\frac{6V}{\pi d^2}$

Step-by-step explanation:

we have

$V=\frac{\pi d^2h}{6}$

Solve for h

That means ----> isolate the variable h

step 1

Multiply by 6 both sides

$6V=\pi d^2h$

step 2

Divide by $\pi d^2$ both sides

$h=\frac{6V}{\pi d^2}$

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3 years ago

HOW can you use models to find volume?

Svetradugi [14.3K]

You can find the dimensions of the model and plug them into the formula for volume (length x width x height)

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3 years ago

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atroni [7]

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The hourly wages of a sample of 130 system analysts are given below.

atroni [7]

Answer: b. 30%

Step-by-step explanation:

A measure of relative variability is known as coefficient of variation. It is the ratio of the standard deviation to the mean.

i.e. $CV=\dfrac{\sigma}{\mu}$

Given: mean = $\mu=90$

Variance = $\sigma^2 = 729$

$\sigma=\sqrt{729}=27$

Now, $CV=\dfrac{27}{90}=0.3$

in percent , $CV= 0.3\times100\%= 30\%$

Hence, correct option is b. 30%.

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3 years ago

a bag contains 5 blue, 8 red, and 7 green marbles. a marble is selected at random. find the probability the marble is not red

Alchen [17]

3/5 is the same as 12/20 which is not red over total

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