morris9878
14.12.2020 •
Mathematics
Solve the equation :6/x+10=2/15
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Ответ:
x = - 45 / 74
Step-by-step explanation:
6 / x + 10 = 2 / 15
6 / x = 2 / 15 - 10
6 / x = 2 / 15 - 150 / 15
6 / x = - 148 / 15
6 = ( - 148 / 15 ) x
6 ( 15 / - 148 ) = x
x = 90 / - 148
x = - 45 / 74
Ответ:
slope = (-4 - 0) / (0 - (-2) = -4 / 2 = -2
y = mx + b
slope(m) = -2
use either of ur points (0,-4)...x = 0 and y = -4
now sub and find b, the y int
-4 = -2(0) + b
-4 = b
so ur equation is : y = -2x - 4