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Natali [406]
3 years ago
12

The angles of a triangle add up to 180 degrees. The second angle is 30 degrees larger than the smallest angle. The third angle i

s 4 times as big as the smallest angle. Find the measure of the smallest angle (in degrees)
Mathematics
1 answer:
Rudik [331]3 years ago
3 0

Answer:

50

Step-by-step explanation:

first angle = x

second angle = x+30

third angle = 4x

x + (x+30) + 4x = 180

6x + 30 = 180

6x = 180 - 30

6x = 150

x = 150:6

x = 50

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triangle abc has vertices at a(-2 3),B(0,3),c(-1,-1). Find the coordinates of the image after a reflection over the x-axis.
Crazy boy [7]

The new coordinates of the triangle after reflection from x-axis would be  A(-2, -3) , B(0, -3) and C( -1, 1 )

<u>Explanation:</u>

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The reflection is over the x-axis.

When the reflection is along the x-axis, the coordinates of x does not change. However, the coordinates of y does change.

The negative value of y becomes positive and the positive value of y becomes negative.

Similarly,

A(-2, 3) would become A(-2, -3)

B(0, 3) would become B(0, -3)

C(-1, -1) would become C( -1, 1 )

Therefore, the new coordinates of the triangle after reflection from x-axis would be  A(-2, -3) , B(0, -3) and C( -1, 1 )

6 0
3 years ago
HEEEELLLLLLLLLLPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP ME
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Answer:

41.79%

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To be on the swim team, we look at the right most (total) number int he table of "on the swim team" row. That is 28.

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Hence, probability of being on swim team is 28/67 = 41.79%

5 0
4 years ago
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