The second answer with the equilateral triangle
It might be helpful to write up the question like this:
300=100%
3=1%
120=
If you do this, you’ll see that the question is really easily solved by just finding the number necessary to multiply 3 with to get 120.
If you understand this, the rest should follow.
Answer:
class a- 10
class b- 15
Step-by-step explanation:
1 hour=1/6+1/6+1/6
1 hour=3/6
1 hour=1/2
for every hour, the snail moved 1/2 a foot
Answer:
x=3 and x=-1.25
Step-by-step explanation:
4x^2-7x=15
subtract 15 from each side:
4x^2-7x-15=0
factor (trying different numbers that the sum is 7 and the quotient is 15)
(2x-6 )(2x+2.5 )=0
2x-6=0 add 6 to each side
2x=6
x=3
2x+2.5=0 subtract 2.5 from each side
2x=-2.5
x=-1.25
