whitethunder05
04.07.2019 •
Mathematics
Solve the system of equations below. 3x+2y=12+y 4y-7x=10 a.(6,2) ,-2) c.(2,6) ,6)
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Ответ:
y=6, x=2
Step-by-step explanation:
Substitute x=12-y/3
Isolate y, then you get 6 is y
x=12-3/3
x=2
Ответ:
Length of AB = 8.85 cm (Approx)
Step-by-step explanation:
Given:
BC = 13.5 cm
θ = 41°
Find:
Length of AB
Computation:
Using trigonometric function
Sinθ = Perpendicular / Hypotenuse
Sin41° = AB / 13.5
0.656 = AB / 13.5
Length of AB = 8.85 cm (Approx)