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Sindrei [870]
3 years ago
10

Step by step explanation pls

Mathematics
1 answer:
GenaCL600 [577]3 years ago
6 0

Answer:

For the first circle: x=40°

For the second circle: x=94°

Step-by-step explanation:

First circle:

  • The angle you are trying to figure out is congruent to the 40° angle. This is because they are parallel to one another with a perpendicular intersection.

Second circle:

  • The angle starting in the center of the circle is twice as large as the angle starting at the edge of the circle.
  • You need to do a little math:
  • 20+27 = 47
  • 47x2 = 94°
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The larger angle of two supplementary angles has a measure of 20° more than the measure of the smaller angle. find the number of
Sergio [31]
Let smaller angle be x
Let larger angle be 20 + x
Sum of two supplementary angles = 180°
x + 20+ x = 180°
2x + 20 = 180
2x = 180-20 = 160
x = 160/2 = 80

Smaller angle = x = 80°
Larger angle = 20 + x = 20 + 80 = 100°
I hope it is helpful:D
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Twice the sum of a certain number and 26 is 72
katen-ka-za [31]

Answer:

The unknown number is 12

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2(x+26)=76

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3 years ago
Factorize: 3x²+54x + 243​
Andrew [12]

Answer:

3(x + 9)(x + 9)

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