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Sonja [21]
3 years ago
9

Angle 1 and Angle 2 are supplementary angles. M angle 1=x-19, and M angle 2=x+99. Find the measures of each angle.

Mathematics
1 answer:
STALIN [3.7K]3 years ago
5 0

Answer:

31° and 149°

Step-by-step explanation:

Supplementary angles sum to 180°, hence

x - 19 + x + 99 = 180

2x + 80 = 180 ( subtract 80 from both sides )

2x = 100 ( divide both sides by 2 )

x = 50

angle 1 = x - 19 = 50 - 19 = 31°

angle 2 = x + 99 = 50 + 99 = 149°


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The geometric rule for the nth term of the geometric sequence for which a1 =−6 and a5=−486 is -6 × 3^(n - 1)

<h3>The nth term of a geometric sequence</h3>

First term, a1 = -6

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a5 = ar^(n - 1)

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r⁴ = 81

r = 4√81

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