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Mathematics

2 answers:

Leona [35]2 years ago

8 0

Answer:

128 i think I hope this helps

Olin [163]2 years ago

6 0

Answer:

128

Step-by-step explanation:

Supplementary means they sum to 180, and it's also a straight line. 180-49 = 131. 131-3 = 128, or x.

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Find the measure of angle x in the figure below A.35° B.47° C.51° D.62°

Dafna11 [192]

First of all, we know that a line is 180°. This means if we add the angles of 61°, 57°, and angle y, we should get 180°.

$\sf 61\textdegree +57\textdegree+y=180\textdegree$

Simplify:

$\sf 118\textdegree +y=180\textdegree$

Subtract 118° to both sides:

$\sf y=62\textdegree$

We also know that all three angles of a triangle add up to 180°. So we have:

$\sf 67\textdegree+62\textdegree +x=180\textdegree$

Simplify:

$\sf 129\textdegree +x=180\textdegree$

Subtract 129° to both sides:

$\sf x=\boxed{\sf 51\textdegree}$

5 0

3 years ago

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Luda [366]

How we gone find x if u don’t have the whole thing to go off

3 0

3 years ago

[3x-7]=12 solve for x

kompoz [17]

3x - 7 + 7 = 12 + 7
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3x/3 = 19/3
X = 19/3 = 6 1/3

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