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Marysya12 [62]
3 years ago
5

What is the surface area of a right rectangular prism whose dimensions are 3 feet by 6 feet by 8 feet?

Mathematics
2 answers:
Vlad1618 [11]3 years ago
8 0

Answer:

Is B/144

Step-by-step explanation:

All you have to do is length x width x height. or multiply all those numbers together.

mr_godi [17]3 years ago
7 0

Answer:

D) 180 square feet

Step-by-step explanation:

The general formula for the surface area of a rectangular prism is:

SA = 2(ab) + 2(ac) + 2(bc), where 'a', 'b' and 'c' are the side lengths of the prism

Given 3 feet by 6 feet by 8 feet:

a = 3

b = 6

c = 8

SA = 2(3*6) + 2(3*8) + 2(6*8) = 36 + 48 + 96 = 180 square feet

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The solution to an any quality is giving in the same building notation as The solution to an inequality is giving in the set bui
Lostsunrise [7]

<u>Options</u>

(A)\left(-\infty , \dfrac23\right]\\\\(B)\left(-\infty , \dfrac23\right) \\\\(C)(\frac23\right, \infty ) \\\\(D) [\frac23\right, \infty )

Answer:

(C)(\frac23\right, \infty )

Step-by-step explanation:

Given the solution to an inequality

{x|x>2/3}

The solution set does not include \dfrac23 , therefore, it must be open at the left. Recall that we use a curvy bracket ( to denote openness at the left.

Since x is greater than  \dfrac23 , the solution set contains all values of larger than  \dfrac23 up till infinity. Since infinity is an arbitrarily large value, we also use an open bracket at the right.

Therefore, another way to represent the solution {x|x>2/3} is:

(\frac23\right, \infty )

The correct option is C.

8 0
3 years ago
NEED HELP ASAPPPPPPP
Reika [66]
Wouldn’t it be 8 1/6....I think. Because if the product is a whole number you would just add the product to the remaining whatever. So it would all together be 8 1/6 - 1/6 = 8
6 0
3 years ago
HELP PLEASEEEE!!! First correct answer gets brainliest! ​
RUDIKE [14]

Answer:

It is a solution

Step-by-step explanation:

y = -4x - 8

Let x = -9 and y = 28

Substitute these values in

28 = -4(-9) -8

28 = 36 -8

28 =28

This is true so it is a solution

5 0
3 years ago
Which is the slope of the line that passes through the points (-2,4 and (5,-1)?
12345 [234]
Use the slope formula which is y2-y1/x2-x1. -1-4/5-(-2)= -5/7
5 0
3 years ago
Read 2 more answers
Please help, i can't figure this out and im ready to pull my hair out!!!
Nat2105 [25]

Answer:

I'm sorry I don't know the equation, but she walks 3 mph.

Step-by-step explanation:

We know that the answer is asking for speed, which needs both distance and time, so we also need both. Which is where the 9 mph is used. 9 mph means its a difference. b means biking mph, w means walking mph, sooo ----->>> b=w+9, and the difference in the 1st equation is 36, which means the first equation is 4 times larger than the b=w+9, so she walked 48 miles, as well as walked 12 miles in 4 hours. Divide then distances by 4, and you get 12 miles and 3 miles in one hour. Or 12 mph & 3 mph, which fits into 12=3+9. So she walks 3 miles per hour.

5 0
3 years ago
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