Hello :
<span>3t(t+2)-(3t^2+5t) when t=19
3(19)(19+2)-(3(19)²+5(19) =(57)(21)-(1083+95) =1197-1178 =19</span>
Answer:
30 is the correct choice.
Step-by-step explanation:
150 = {baseball} + {cricket} + {soccer} - {exactly 2 sports} - 2*{exactly 3 sports} + {none of the ports}
150 = 66 + 45 + 42 - 27 - 2*3 + {none of the ports}
--> {none of the ports} = 30
Best Regards!
Answer:
The answer is positive 5
Step-by-step explanation:
Hamilton's quaternions are an example of non-commutative ring. If you are not familiar with them, they are similar to complex numbers, except for the fact that there are three roots of -1: the ring is generated by
Which means that a generic element is appears as follows:
The rules for additions are the usual: you sum like terms. As for the mutliplicaitons, you work like this: