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SOVA2 [1]
3 years ago
12

PLEADE HELP ILL GIVE BRAINLIST QUESTION IN PHOTO

Mathematics
1 answer:
alexira [117]3 years ago
4 0

Answer:

x = 3

Step-by-step explanation:

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

120° is an exterior angle of the triangle , then

15x + 5 + 22x + 4 = 120

37x + 9 = 120 ( subtract 9 from both sides )

37x = 111 ( divide both sides by 37 )

x = 3

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Work out the interior angle of the octagon.<br> Please show the working out.
bija089 [108]

Answer:

135°

Step-by-step explanation:

formula = (n-2) * 180, whereby 'n' is the number of sides.

therefore, (8-2) * 180 = 1080°

1080° ÷ number of sides

= 1080° ÷ 8

= 135°

5 0
2 years ago
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Kate has a rectangular garden that is 8 feet long by 3 feet wide. She wishes to extend the length and width by the same amount i
elena55 [62]
<span>Let the extension of the length and width be x.
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(8+x)(3+x) = 104
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4 0
3 years ago
Simplify using order of operations 9 divided by 3 + 4 times 3 divided by 6
Alchen [17]

Answer:

5

Step-by-step explanation:

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7 0
3 years ago
A building contractor has a piece of crown molding that is 48 1/2 inches long. He cuts off one piece measuring 10 1/4 inches and
tekilochka [14]
The correct answer is 36 1/8
7 0
3 years ago
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