Will mark Brainlist

Mathematics

2 answers:

tangare [24]3 years ago

5 0

“Sum of 5 and a number” = (5 + n)

Hence four times this expression is

4 x (5 + n)
Or simply
4(5+n)

Airida [17]3 years ago

3 0

Answer:

The correct option is C) 4(5 + n).

Step-by-step explanation:

Consider the provided phrase.

Four times the sum of five and a number

Let the number is n and the sum of five and a number can be written as:

$n+5$

Thus, four times the sum of five and a number can be written as:

$4(n+5)$

Hence, the required expression is $4(n+5)$

Therefore, the correct option is C) 4(5 + n).

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sesenic [268]

Answer:

Hence the value of the test statistic is 0.780.

Step-by-step explanation:

Given:

Test Statistic:-

$t=\frac{\bar{X}-\mu }{\frac{S}{\sqrt{n}}}$

$t=\frac{11.2-10.8 }{\frac{1.7}{\sqrt{11}}}$

$t=\frac{0.4}{0.5126}\\t=0.780$

4 0

3 years ago

What is the answer?

taurus [48]

$x^2y^3(1-x^3y)$

This is because you can at most, factor out x² and y³

5 0

4 years ago

Help please asap tysm! 10 brainly points! Will mark brainliest if you put in a random answer you will be reported! Tysm! <3 N

Ivan

Answer:

The surface area of the prism is 276 in.²

If you are also looking for the volume of the prism, it is 280.

Step-by-step explanation:

It's hard to find the surface area and the volume of the prism if you're just looking at the net of the 3D shape. There are some unnecessary measurements that will definitely throw you off. I drew a sample prism so it's easier to solve. Check the linked image.

The formula in finding the surface area of a prism is SA = 2(wl + hl + hw), where w is for width, l is for length, and h is for height. The point of all of these calculations is to find the area of 3 different faces of the prism and then you add up all of the areas and multiply the sum by 2 to give you the surface area. Looks a lot but it's worth getting the answer right.

The formula in finding the volume of the prism is V = w * h * l, where w is for width, h is for height, and l is for length. Simple multiplication of 3 different sides and you'll get the volume. I hope this helps and if I am wrong please let me know! :D