25 = 5*5
405 = 81*5
therefore, 25/405 = (5*5)/(81*5)=5/81
9x^2 + 6x = 1
Factor out 3x
3x (3x +2)=1
Use the zero product property
3x=1
3x+2 = 1
X= +1/3 and -1/3
Y = -2x + 3
Hope that helps.
1 (5) = 5
7/10(5/1) = 35/10
Simplify.
35/10 = 3 5/10 = 3 1/2
5 + 3 1/2 = 8 1/2
Lucas ran 8 1/2 miles in 5 days.
Answer:
Step-by-step explanation:
4=2(2), 6=2(3) so the lcd is 2(2)3=12