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2 years ago

How do you find volume. a. l x w b. l x b x h c. l x w x h

Mathematics

1 answer:

Fed [463]2 years ago

4 0

The answer is C. L x W x H.

Hope this helps!

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use digits to write a number for the following. : seven tenths . three hundreths, and eight thousandths and then (. )

kondor19780726 [428]

Answer:

0.0378

Step-by-step explanation:

#;+*($$&#(#'#)#&#)#&#-#)#8#&2'#;$7$5$&

7 0

2 years ago

Please Help, Lots of points

Andrei [34K]

Answer:

9 cats

Step-by-step explanation:

x = cat

y = dog

Set up equations.

x + y = 30

4.5x + 8.5y = 219

Multiply first equation by 4.5 and subtract.

4.5x + 4.5y = 135

-(4.5x + 8.5y = 219)

-4y = -84

y = 21

Substitute this y value into the first equation

x + y = 30

x + 21 = 30

x = 9

3 0

2 years ago

Circle towns limit form a perfectly circular shape that has a population of 20000 in the population density of 480 people per sq

Alex

Answer:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

Step-by-step explanation:

For this case we know the population size $P = 20000$ and we also know the population density $D = 480 \frac{people}{km^2}$

We can assume that the area is a circle. We also know that the formula for the population density is given by:

$D= \frac{P}{A}$

Where P represent the number of people and A the area. Since we are assuming a circle then the area is given by:

$A = \pi X^2$

With X the radius of the circle

And then the populationd density become:

$D =\frac{P}{\pi X^2}$

And solving for the radius we got:

$X = \sqrt{\frac{P}{\pi D}}$

And replacing the data given we got:

$X = \sqrt{\frac{480 \frac{people}{km^2}}{\pi *20000 people}}= 0.0874Km$

And this value converted to meters is $X = 87.40 m$

6 0

3 years ago

In a goodness-of-fit test, the null hypothesis states that the data came from a normally distributed population. The researcher

marta [7]

Answer:

Solution: C) 7.815

Hint: From Chi-square table with (k-r-1)=(6-2-1) = 3 d.f the critical value = 7.8147

8 0

2 years ago

(20,19),(-2,5)<br> Find the slope of the line through each pair of points

crimeas [40]

.............. M = 7/11

7 0

2 years ago

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