X represents nickels
y represents dimes
x+y=29
5x+10y=210
multiply the first equation by -5 (elimination method)
-5x-5y=-145
then add the two equations together
5y=65
divide 5 from both sides
y=13
13 dimes
Answer:
C
Step-by-step explanation:
700,000 + 70,000 + 70
is your answer
hope this helps :D
Answer:
Step-by-step explanation:
Anything that is horizontal is a 0-slope. So take a pen for example if you put it on its side it is a 0-slope.