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AdrienneFaye
03.11.2020 •
Mathematics
ZA and ZB are supplementary angles. If m_A
ZB = (5x – 7)", then find the measure of ZA.
(5x + 27)° and m
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Ответ:
∠A = 107
∠B = 73
Step-by-step explanation:
∠A , ∠B are supplementary. So, ∠A + ∠B = 180
5x + 27 + 5x - 7 = 180
5x + 5x + 27 - 7 = 180 {Combine like terms}
10x + 20=180
10x = 180 -20
10x = 160
x = 160/10
x = 16
∠A = 5x + 27 = 5*16 + 27 = 80 + 27 = 107
∠B = 5x - 7 = 5*16 - 7 = 80 - 7 = 73
Ответ:
y = -0.32x + 4.75
Step-by-step explanation:
Slope-intercept form is y = mx + b where m is the slope and b is the y-intercept. (For example: y = 2x + 1)
Since you have the slope, or m, is -0.32 and the y-intercept, or b, is 4.75, you can plug those into the equation to get y = -0.32x + 4.75