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andre [41]
3 years ago
10

Beth wants to paint the four walls of her rectangular bedroom. Her room is 10 feet wide, 13 feet long, and 8 feet high. She will

not paint her
rectangular door, which is 3 feet wide and 7 feet high.
What is the total area of the walls that Beth needs to paint?
O A. 347 square feet
B. 368 square feet
ООО
C. 578 square feet
D. 1019 square feet
E. 1040 square feet
Mathematics
1 answer:
goblinko [34]3 years ago
8 0

Answer:

10x13 is 130

130x8 is 1040

Since the door is part of the wall, but won't be painted, you subtract 1040-21 which is 1019

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4. (d, the last one)

5. (a, the first one)

Step-by-step explanation:

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Natasha_Volkova [10]

Answer:

y = 20°

x = 35°

Explanation:

Equation's:

   1) 2y + x + 105° = 180°

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Make y subject in equation 2

3x + x + 2y = 180

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skelet666 [1.2K]

Answer: (4,3)


Step-by-step explanation:

1. In this method you must solve one of the equation for one of the variables and substitute it into the other equation to find the other variable. Then, substitute the value of that variable into one of the original equation to obtain the value of the other one.

2 You have that:

y=2+1/4x

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5. The answer is:

(4,3)



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2 years ago
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pav-90 [236]
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3 years ago
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