jeanette7482
25.08.2019 •
Mathematics
Evaluate 5(a – 2b) when a = –3 and b = 5.
65
35
–65
–25
Solved
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Ответ:
First plug in the information you have for the variables:
5 (-3-2(5))
Then solve for the parenthesis:
5(-3-10)= 5(-13)
Then multiply:
5×(-13) = -65
Ответ:
4x=180-40
4x=140
x=35
angle A= 35°
angle B= 35(4)+40= 145°