Answer:
2 -7i
Step-by-step explanation:
(-2 - 5i) - (-4 + 2i)
Distribute the minus sign
(-2 - 5i) + 4 - 2i
Combine like terms
-2+4 -5i -2i
2 -7i
Answer:
30 h
Step-by-step explanation:
Formula
speed = distance/time
We clear time from it
time = distance / speed
time = ?
distance = 15 km
speed = 0.5 km/h
time = 15/ 0,5 = 30 h
Given:
Goal = 250 cans
Number of collected cans = 290
To find:
The percent of their goal they achieved.
Solution:
The percent of their goal they achieved is:





Therefore, they achieved 116% of their goal.