Answer:

Step-by-step explanation:
Answer:
solution = (1.-2)
Step-by-step explanation:
put x= 1 and y = -2 in this system : y=-4x+2 and y + 2x = 0
you have : - 2 = - 4(1)+2 and -2 +2(1)=0
-2=-2 and 0=0 .....right
Answer:
4.75 m
Step-by-step explanation:
s=ut+1/2at²
s=10(1/2)+1/2(-2)(1/2)²
s=4.75 m
Answer:
-270,810
Step-by-step explanation:
c.r. r=-30/-10=3

Answer:
Um never heard of that one sorry
Step-by-step explanation: