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Effectus [21]
3 years ago
15

What is the perimeter of a rectangle with two lentghs of 5

Mathematics
1 answer:
Tcecarenko [31]3 years ago
8 0

Answer:

20

Step-by-step explanation:

in perimeter you have to add all the sides but rectabgless all have the same size so 5 x 4 since rectangle has 4 sides equls 20 so 20 is the answer

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Please help me on this problem​
Rudik [331]
<h2><em><u>Answer:</u></em></h2>

Total Surface Area = 375 ft^2

<h2><em><u>Step-by-step explanation:</u></em></h2>

You need to find the area of the ceiling, floor, the two rectangle walls and the two trapezoid walls

<u>Area of the ceiling:</u>

c = length * width

c = 9*6.5 = 58.5

<u>Area of the 2 rectangle walls:</u>

w = 2(length * width)

w = 2(9 * 8)

w = 2(72)

w = 144

<u>Area of floor:</u>

f = 9 * 7.5

f = 67.5

<u>Area of the two trapezoids:</u>

t = 2(h * \frac{a + b}{2})

a = 6.5

b = 7.5

h = 7.5

t = 2(h * \frac{a + b}{2})

t = 2(7.5 * \frac{6.5 + 7.5}{2})

t = 2(7.5 * \frac{14}{2})

t = 2(7.5 * 7)

t = 2(52.5)

t = 105

Total Surface Area = c + w + f + t

Total Surface Area = 58.5 + 144 + 67.5 + 105

Total Surface Area = 375 ft^2

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3 years ago
What is 1 and 3/4 as a mixed number
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The answer is 7/4               ,
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I need help on this? Can anyone help me on it?
allochka39001 [22]

Answer:

Step-by-step explanation:

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3 years ago
How to solve ×+2y=11. 2×+3y=50
9966 [12]

Answer:

x=−2y+11. x=

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Step-by-step explanation:

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3 years ago
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