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anonymous
 3 years ago
30(i1i2)15i2=0
30i1+15i2=24
anonymous
 3 years ago
30(i1i2)15i2=0 30i1+15i2=24

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lilg132
 3 years ago
Best ResponseYou've already chosen the best response.1equation 1) 30i1  30i2  15i2 = 0 30i1  45i2 = 0 equation 2) 30i1 + 15i2 = 24 30i1 = 24  15i2 equation 1) 24  15i2  45i2 = 0 (I am substituting here) 60i2 = 24 24 = 60i2 24/60 = 60i2/60 0.4 = i2 now we now what is i2 we can work out i1 equation 2) 30i1 + 15(0.4) = 24 30i1 + 6 = 24 30i1 = 24  6 30i1 = 18 30i1 / 30 = 18 / 30 i1 = 0.6 Dont forget to click best response !

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0thanks so how well do u know matrices
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