Answer:
-9i
Step-by-step explanation:
the complex conjugate of a+bi is a-bi
0+9i is 0-9i
I think is 3 because a gues need tu multiplay so i gues the anwsar y 3
Answer:
Too tired to explain, here's some digital steps by Symbolab:
Hi There!
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Question #1:
Total Cost for Kites-R-Fun: y = 8x + 0
Total Cost for Windy Kites: y = 20x + 0
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Question #2:
![\left[\begin{array}{ccc}Kites-R-Fun&Windy Kites\\8&20\\16&40\\24&60\\32&80\\40&100\\48&120\\56&140\\64&160\\72&180\\80&200\end{array}\right]](https://tex.z-dn.net/?f=%5Cleft%5B%5Cbegin%7Barray%7D%7Bccc%7DKites-R-Fun%26Windy%20Kites%5C%5C8%2620%5C%5C16%2640%5C%5C24%2660%5C%5C32%2680%5C%5C40%26100%5C%5C48%26120%5C%5C56%26140%5C%5C64%26160%5C%5C72%26180%5C%5C80%26200%5Cend%7Barray%7D%5Cright%5D)
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Hope This Helps :)
C. It's understood that's there's a one in front of the sq rt of 2
So 3 sq rt of 2- 1 sq rt of 2 gives you 2 sq rt of 2