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2 years ago

Please answer correctly! I will mark you Brainliest!

Mathematics

1 answer:

bekas [8.4K]2 years ago

6 0

Answer:

The volume of the prism is $1250cm^{3}$

Step-by-step explanation:

First let's get the area of the triangle. To get that, we use the formula $\frac{bh}{2}$

In words, this is <em>base · height ÷ 2</em>

When we plug in the numbers, it is 10 · 10 ÷ 2, which is equal to 50.

And of course we multiply 50 by 25 to find $1250cm^{3}$

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Write and solve a proportion to answer the question.<br>120% of 10 is what number?

sveticcg [70]

Answer:

Step-by-step explanation:

the proportion is 120/10=1200%

I'm sorry if this is wrong

6 0

3 years ago

How do I do this???!????

Marina CMI [18]

Can you resubmit your question so that I can give you a reasonable answer

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3 years ago

A sample was taken of the salaries of four employees from a large company. the following are their salaries, in thousands of dol

Free_Kalibri [48]

For given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

The formula for the variance is,

$S^2=\frac{\sum (x_i - \bar{x})^2}{n-1}$

where,

$S^2$ = sample variance

$x_i$ = the value of the one observation

$\bar{x}$ = the mean value of all observations

n = the number of observations

For given question,

n = 4

First we find the mean of their salaries.

(33 + 31 + 24 + 36 ) / 4 = 31

So, $\bar{x}=31$

Using the formula for variance ,

$S^2=\frac{(33-31)^2}{4-1}+\frac{(31-31)^2}{4-1}+\frac{(24-31)^2}{4-1}+\frac{(36-31)^2}{4-1}\\\\ S^2=\frac{4}{3} + \frac{0}{3} + \frac{49}{3} + \frac{25}{3} \\\\S^2= \frac{4+49+25}{3}\\\\S^2=\frac{78}{3} \\\\S^2=26$

Therefore, for given sample of salaries of four employees, the variance of their salaries is: 26 thousands of dollars

Learn more about the variance here:

brainly.com/question/13673183

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7 0

1 year ago

Improper fraction for 3 1/14

TEA [102]

Answer: 43/14

Step-by-step explanation: You take you 3 and times it by 14 and + 1 because the equation is saying 14/14 3 times plus the 1/14,

So 3 times 14=42

42+1=43 and then you take the 43 and put it over the 14 so now you have your answer: 43/14

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3 years ago

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Find the measure of angle J, the smallest angle in a triangle with sides measuring 11, 13, and 19. Round to the nearest whole de

8090 [49]

Answer:

34 degrees

Step-by-step explanation:

hope this helps

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2 years ago

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