5y+2(3y-1)=__y-(y+2)
5y+6y-2=__y-y-2
11y-2+2+y=__y
12y=___y
so 12
First, you need to turn it into a fraction by doing the multiplication. 6/1 × 3/20 which is 18/20. then you simplify it to get 9/10. 9/10 is your answer
Let's call the height of the tower
and the distance from the 65 degree angle to the base of the tower
.
We get two equations:







Answer: 48
Answer:
x=41
Step-by-step explanation:
2(x+3) = 88
(distribute the 2)
2x+6 = 88
- 6 - 6
2x = 82
div by 2 on both sides
x = 41
She will need 12 seconds because -20•12=-240