Answer:
-12 - 10i.
Step-by-step explanation:
-9 - 8i - (3 + 2i)
= -9 - 8i - 3 - 2i
= -12 - 10i.
Answer:
See below.
Step-by-step explanation:
f(X) =x5+3x4+5x3+15x2+4x+12
=x5+12+15+30+4x+12
=(x5+4x)+(12+15+30+12)
=9x+69
<span>No.
From the data provided you can not determine what the standard deviation is. In order to determine the standard deviation you need the actual grades not just a mean.</span>
Answer:
2.5
Step-by-step explanation:
25 / 10 = 2.5
Check with 6in
6 x 2.5 = 15
Answer:
400 + 10 + 7
Step-by-step explanation:
it could be 4 times 100 plus 10 times 1 plus 1 times 7