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3 years ago

The volume of the above solid is?

Mathematics

1 answer:

grigory [225]3 years ago

7 0

The volume of a rectangular prism (since that is not a cube because of the sides being a different measure) is l*w*h.

9*7*8=504.

The volume is 504cm^3. Therefore the answer is D. none of the above.

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joe and Eric have to ship 75 packages. Joe can do the job alone in 5 hours. if Eric helps, they get it done in 4 hours. How long

Umnica [9.8K]

Eric took 20 hours to do the job alone.

<u>Step-by-step explanation</u>:

<u>Given </u>:

Total work = 75 packages
Joe took 5 hours to complete the total work.

The amount of work Joe alone can do per hour = 75/5 = 15 packages.

The amount of work Joe and Eric together do per hour = 75/4 = 18.75

The amount of work Eric alone can do per hour = 18.75 - 15 = 3.75

The time Eric took to complete the entire work = 75 / 3.75 = 20 hours.

8 0

3 years ago

a box contains 4 yellow, 5 green and 3 blue balls. find the probability of obtaining a yellow ball in a single random draw.

Alex

Notice that the box has a total os 4 + 5 + 3 = 12 balls, since there are 4 that are yellow, then, the probability to randomly obtaining a yellow ball in a single draw is:

$P(Yellow)=\frac{\text{ number of yellow balls}}{\text{total number of balls}}=\frac{4}{12}=0.33$

therefore, the probability is 0.33 = 33%

7 0

1 year ago

When finding percentiles, if the locator L is not a whole number, one procedure is to interpolate so that a locator of 23.75,

inessss [21]

Answer:

The answer is "94"

Step-by-step explanation:

Given data:

51,54,64,68,72,74,76,83,94,94,99

Find:

$P_{75}=?P_{75}= (\frac{75(n+1)}{100})^{th} \ \ observation\\\\$

$= (\frac{75(11+1)}{100})^{th} \ \ observation\\\\= (\frac{75(12)}{100})^{th} \ \ observation\\\\= (\frac{75 \times 12}{100})^{th} \ \ observation\\\\= (\frac{900}{100})^{th} \ \ observation\\\\= 9^{th} \ \ observation\\\\= 9^{th} \ number \ is = 94$

7 0

3 years ago

Type the expression that results from the following series of steps:

kvv77 [185]

Answer:

$\frac{x - 3}{6}$

Step-by-step explanation:

First, subtract 3 from x

This will get you the expression x - 3

Now, divide this by 6.

This will get you the expression $\frac{x - 3}{6}$

So, the final expression from the steps is $\frac{x - 3}{6}$

3 0

3 years ago

Does this graph show a function? Explain how you know.

GREYUIT [131]

Answer:

the answer is C. No, it fails the vertical line test.

3 0

3 years ago