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charle [14.2K]
2 years ago
8

Please help thanks!!

Mathematics
1 answer:
Sidana [21]2 years ago
4 0

So for this, you will be doing two different multiplications: 3 x 4 and √8 x √3.

3 x 4 = 12

√8 x √3 = √24

Now our result is 12√24, however, this can be simplified. Using the product rule of radicals (√ab = √a x √b), our simplification is such:

12√24 = 12√(8 x 3) = 12√(4 x 2 x 3) = 2 x 12√(2 x 3) = 24√6

In short, the answer is 24√6, or the first option.

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Travis is sewing a pillow for his Home Arts class. The pillow will be made from 2 identical rectangles. Each rectangle is 1 1/2
Semenov [28]

Answer:

11/4

Step-by-step explanation:


3 0
3 years ago
What is the answer to 11 > b + 4 > -6
Anestetic [448]

11 > b+4 > -6\\11 - 4 > b > -6-4\\7 > b > -10

Hope that helps!

7 0
2 years ago
todays Temperature is 3 degrees warmer than it yesterday. Write an expression for today's temperature
TiliK225 [7]
T =temperature  d = day temp


t+3=d



4 0
3 years ago
The area of a trapezoid is
horrorfan [7]

Answer:

<h2>The answer is 15cm</h2>

Step-by-step explanation:

Let b be the length of the second parallel side

Area of a trapezium is given by

A =  \frac{1}{2} (a + b)h

where

h is the height

a and b are the parallel sides

From the question

Area = 230 cm²

height = 20cm

one of parallel side / a = 8 cm

Substitute the values into the above formula and solve for b

That's

230 =  \frac{1}{2} ( 8 + b) 20

Reduce the fraction with 2

That's

230 = (8 + b) \times 10

Expand the terms

That's

230 = 80 + 10b

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Divide both sides by 10

We have the final answer as

<h3>b = 15cm</h3>

Hope this helps you

4 0
2 years ago
A researcher is interested in knowing the average height of the men in a village. To the researcher, the population of interest
Anna11 [10]

Answer:

The population mean height of men in the village is 5.78 feet.

The sample mean height of men in the village is 7.8 feet.

Step-by-step explanation:

It is provided that the researcher's interest is in knowing the average height of the men in a village.

To the researcher, the population of interest is the <em><u>men</u></em><em> </em>in the village, the relevant population data are the <em><u>height of men</u></em> in the village, and the population parameter of interest is the <em><u>mean height of men</u></em>.

It is also provided that there are 590 men in the village, and the sum of their heights is 3,410.2 feet.

Compute the average height as follows:

\bar X_{H}=\frac{3410.2}{590}=5.78\ \text{feet}

Thus, the population mean height of men in the village is 5.78 feet.

It is given that the researcher measured the heights of 18 village men and calculated the average to estimate the average height of all the village men.

The sample for his estimation is <em><u>18 men</u></em>, the relevant sample data are the <em><u>heights of the 18 men</u></em>, and the sample statistic is the <em><u>sample mean height</u></em>.

It is also given that the  sum of the heights of the 18 village men is 104.4 feet.

Compute the average height of the 18 men as follows:

\bar x_{H}=\frac{104.4}{18}=7.8\ \text{feet}

Thus, the sample mean height of men in the village is 7.8 feet.

8 0
2 years ago
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