adhanom12
11.12.2020 •
Mathematics
Identify the number of terms, the coefficients, and the constant term of the expression 21ab-8bc+9ca-4
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Ответ:
x+y = 180 (supplementary)
x - y = 22(given) so x = 22 + y
22+ y + y = 180
2y + 22 = 180
2y =180 -22
2y = 158
y = 158/2
y = 79
x = 22 + y = 22 + 79 = 101
Two angles are supplementary angles are 101 and 79