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2 years ago

Determine the value of x for the diagram shown.

Mathematics

2 answers:

TEA [102]2 years ago

4 0

Answer:

C) 60

Step-by-step explanation:

180 - 120

valina [46]2 years ago

4 0

Hello there,

In order to solve this equation we look at the relationship between the two triangles.

A straight line is equal to 180° so...

180 - 120 = 60°

Since the triangle on the left has two sides that are equal that means the angle measure is also equal for those two sides.

Therefore, x would be equal to 60° and the correct answer would be C.

Hope I helped,

Amna

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Cost of month plan = $40

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Let x be the total minutes used
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Form the equation and solve x
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40 + 0.45(x - 700) = 48.10
40 + 0.45x - 315 = 48.10
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x = 323.10 ÷ 0.45
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Answer: John had used 718 mins this month
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