joejoefofana

25.03.2020 • 

Mathematics

The first segment she draws is 6 centimeters in length, and the second segment is 8 centimeters long. The measure of the angle between those two segments is 80°. Which best describes the length of the third segment? A) equal to 14 centimeters B) less than 14 centimeters C) greater than 14 centimeters D) greater than or equal to 14 centimeters

Ответ:

carlyfaith3375

14.08.2021

Mathematics

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Times bottom equation by 3 and top by 2 to get the same coefficient of x
6x-6y=60
6x+3y=33
Minus the bottom by the top
-9y=27
y=-3
substitute this in to one of the equations
2x -3 = 11
add 3 to both sides
2x=14
x=7

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