51) 5x-1=0 and x+6=0
5x=1, x=1/5 and x=-6
2 solutions x=1/5 and x=-6
52)x(2x+3)=0
2x=0 and 2x+3 =0
x=0 and x=-3/2=-1.5
53) x(5x-1)=0
x=0 and 5x-1=0
x=0 and x=1/5
54) z(4z+7) =0
z=0 and 4z+7=0
z=0 and z= - 7/4 = -1.75
z=0 and z=-1.75
Well the total cost of the washing machine is 504. so that is it u can even use a calculator
2 it will either land on heads or tails if you flip it once, hence 2 possible outcomes.
Answer:
24/45 or 9/15
Step-by-step explanation:
none of these is equivalent to 6:10