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Dimas [21]
3 years ago
11

I need help asap:):):)

Mathematics
2 answers:
Elena L [17]3 years ago
6 0

Answer:

10 feet

Step-by-step explanation:

18 × 2 = 36

56 - 36 = 20

20 ÷ 2 = 10

To check work, add all lengths together. 4 sides. 18 + 18 + 10 + 10 = 56

sashaice [31]3 years ago
6 0

Answer:

10

Step-by-step explanation:

(length + width) * 2 = 56 -->

length + width = 28

length = 18 -->

18 + width = 28 -->

width = 10

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Please help me solve this
nadezda [96]

Answer:

43

78

56

Step-by-step explanation:

3 0
3 years ago
What are the measures of angles 1, 2, and 3? 30° 60° 120° 150°
Annette [7]

Answer:

Angle 1: 150°

Angle 2: 30°

Angle 3: 150°

Step-by-step explanation:

1 is 150° because a line is 180° total, and 180-30= 150°

2 is 30° because they are the same angle just reflected across the y-axis.

3 is 150° because they are the same angle as 1 just reflected across the x-axis.

3 0
2 years ago
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
goblinko [34]

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

8 0
3 years ago
What is the answer to 5x +3 < 18
vodomira [7]
Let's solve your inequality step-by-step.<span><span><span>5x</span>+3</span><18
</span>Step 1: Subtract 3 from both sides.<span><span><span><span>5x</span>+3</span>−3</span><<span>18−3</span></span><span><span>5x</span><15
</span>Step 2: Divide both sides by 5. <span><span><span>5x/</span>5</span><<span>15/5 
</span></span><span>x<3
</span>Answer:<span>x<<span>3</span></span>
6 0
3 years ago
7. What is the length of side a?<br> Help please
padilas [110]

Answer:

a= 63

Step-by-step explanation:

16+11=27

90-27= 63

8 0
2 years ago
Read 2 more answers
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