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disa [49]
3 years ago
6

Find the value of X in each triangle (pls I need help this is a test grade)

Mathematics
1 answer:
jok3333 [9.3K]3 years ago
8 0

Answer:

x=125°

Step-by-step explanation:

100° + 25° =125°

180°- 125° = 55°

and since adjacent angles on a line equal 180°

180° - 55° = 125°

x= 125°

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The width of a rectangle is 1 units less than the length. The area of the rectangle is 72 units. What is the width, in units, of
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A = l × w. Substitute 72 into A and fill in the rest of the equation.

w = l - 1. Plug l - 1 into w

72 = l × (l - 1). Multiply l by (l - 1)

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0 = l^2 - l - 72. Factor.

0 = (l + 8) (l - 9). Set each term equal to zero.

(l + 8) = 0. Subtract 8 from each side.

l = -8. Length cant be a negative number so let's try the other term.

(l - 9) = 0. Add 9 to each side.

l = 9. The length is 9.

Earlier we stated that the width is one less than the length, therefore, the width is 9 - 1 = 8.

The width is 8 units.

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maks197457 [2]
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5 0
3 years ago
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Marizza181 [45]

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3 0
3 years ago
I need help finding the area of this shape can you please help
BabaBlast [244]

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2 years ago
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