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damaskus [11]
3 years ago
6

Robert is designing a rectangular window based on the amount of wood he has available to make a frame around the window robert w

ants the permiter of the window to be 200 inches robert wants the base and the height of the window
Mathematics
1 answer:
Dennis_Churaev [7]3 years ago
5 0

Answer:3

Step-by-step explanation:

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I need some help with this
marshall27 [118]
[-2 3] times [2
                    1] 

comes out to -2(2)+3(1) = -1.  Eliminate the first answer choice, due to 
                                                 the presence of that -7 instead of -1.

[-2 3] times [0
                    -3]

comes out to - 9.  This matches answer choices #2, #3 and #4.

[3,-4][2
           1]

comes out to 6-4, or 2.  Matches #2, #3, #4.


[3, -4][0
           -3]

comes out to +12, which matches answer choice #4.

Answer choice #4 is the correct one.

Review matrix multiplication if need be.  Feel free to ask questions here and now if need be.

7 0
4 years ago
Find the arc length of the semicircle
sukhopar [10]

Answer:

18.8496 units (rounded o1ff to four decimal places)

Step-by-step explanation:

Arc length = 2 × π × r × \frac{central-angle}{360}

r (radius) = 12 units ÷ 2 = 6 units

Central angle = 180°

For our semicircle, the arc length = 2 × π × 6 × \frac{180}{360} = 18.8495559215 units

Or 18.8496 units (rounded o1ff to four decimal places)

4 0
3 years ago
Read 2 more answers
PLEASE HELP I"LL MARK BRAINLIEST!!!
Paladinen [302]

Answer:

10 pi

Step-by-step explanation:

Since this is a cylinder, we know that the long side of the rectange will go all around the circle. This length is known as the circumference, and the formula of a circle's circumference is pi * diameter. We know the circle's radius is 5, and double that would be the diameter, 10. Therefore, pi * 10 is 10pi, which is ur answer

7 0
3 years ago
A man walks 10 km, then travels a certain distance by train and then by bus as far as twice by the train. If the whole journey i
Nostrana [21]

Answer:

The man traveled 20km by train.

Step-by-step explanation:

If x is the distance he traveled by train, you can write this equation to represent the situation:

10+x+2x=70

Then, you can simply solve for x:

10+3x=70\\3x=60\\x=20

The man traveled 20km by train.

10+(20)+2(20)=70\\10+20+40=70\\70=70

3 0
2 years ago
Monique volunteered 24 hours last month at the animal shelter. If she volunteered the same amount of hours each week for 4 weeks
Karo-lina-s [1.5K]
To find out the number of hours per week, we have to divide 24 by 4.

24 ÷ 4 = 6

Monique volunteered 6 hours per week at the animal shelter.

Hope this helps!
8 0
4 years ago
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