SOLUTION:
Total number of spinning = 250 times
Number 5 coming up = 20 times
The experimental probability of spinning a 5;
Katie has equation
and wants to solve it completing the perfect square. In order to do it, first rewrite 7 in right side:

Then note that
so Katie has to add
to both sides (because
):

Answer: correct choice is C.
Answer: 2(p+2) * (p-1)
Step-by-step explanation:
2p^2 + 2p - 4
2 (p^2 + p - 2)
2 (p^2 + 2p - p - 2)
2(p x (p+2) - (p+2)
2 (p+2) * (p-1)
Set up an equation
x+58=4x+37
21=3x
x=7
Jim:
x+58
7+58
$65
Jesse:
4x+37
4(7)+37
28+37
$65
Answer:
b
Step-by-step explanation: