Answer:
-69 +92 i (here 'i' is imaginary value)
Step-by-step explanation:
step:-
Given (3-4 i)(-2-21)
on multiplication, we get
(3-4 i)(-2-21) = 3(-2) -3(21) - 4 i (-2) +4 i(21)
= -6 -63 + 8 i +84 i
= -69 +92 i
-69 + 92 i is a complex number.
real part x = -69
imaginary part y = 92
Answer:
E,A,C,B,D
Step-by-step explanation:
make the denominator 12 and multiply e.g.3
Answer:
The answer is "
"
Step-by-step explanation:
Given:
When 
confidence level so, the z:
When 98% confidence interval estimate of the population mean is,
5280 per mile ! 21120! Good luck!
