3 years ago

1.2.8 -0.9+y Your answer

Mathematics

1 answer:

Annette [7]3 years ago

8 0

0.06+y simplify the expression

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3241004551 [841]

Answer:

Step-by-step explanation:

At the point where two line cut across, the vertically opposite angles formed are equal. This means that

2x degrees = 78 degrees

Dividing the left hand side and the right hand side of the equation by 2, it becomes

2x/2 = 78/2

x = 39

Checking,

The sum of the angles on a straight line is 180 degrees.

180 - 78 = 102 degrees

2x + 102 = 180

2x = 180 - 102 = 78

x = 78/2 = 39

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Step-by-step explanation:

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Step-by-step explanation:

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