√(- 9 ) / (( 4 - 7 i ) - ( 6 - 6 i )) = 3 i / ( 4 - 7 i - 6 + 6 i ) =
= 3 i / ( - 2 - i ) = - 3 i / ( 2 + i ) =
= - 1 - 2 i
= 3 i / ( - 2 - i ) = - 3 i / ( 2 + i ) =
= - 1 - 2 i
A and B are supplementary angles. If A = 7x - 18 and B = 8x + 3, find x.
1 answer:
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Step-by-step explanation:
You said the other one would be the last haha just kidding I'm glad to help.
16.
First, get rid of that parenthesis.
Now multiply both sides by 2 so that you can isolate k
19.
This is a pretty easy one. If you didn't know, 121/11 is actually 11 :)
Simply multiply by 3 to isolate r :)