Answer:
-1 -3i
Step-by-step explanation:
It is unusual to have two imaginary terms grouped together like this. Taking the question at face value, we treat i as though it were a variable, and collect terms in the usual way.
(-2i +3i) +(-1 -4i) = i(-2+3-4) -1 = -1 -3i
Answer:
10 inches
Step-by-step explanation:
Assuming a rectangular tile
P = 2(l+w) where l is the length and w is the width
P = 2(1+4)
= 2(5)
= 10 inches
Answer:
109.0125 dollars, rounded is 109.01$
Step-by-step explanation:
For the first equation, I put it in y=mx+b form, so y=-3x-9
the second one is x=4
hope i helped
25/100=30/x x=120 (30+70y)/(120+100y)=50/100 100y=?