Answer:
I think it is C
Step-by-step explanation:
because x repeats with diffirent y.
Answer:
62.5
Step-by-step explanation:
1. convert percent value to decimal
30.00/100=.3
2. turn problem into equation where x equals the original price
x*.3=18.75
3. solve
(x*.3=18.750)/.3
x=62.5
Answer:
9
Step-by-step explanation:
If 3/6 of the 18 beads are purple we need to simplify 3/6. 3/6 is the same as 1/2. And 1/2 of 18 is 9.
Answer:
c)
Step-by-step explanation:
Answer:
(x - 5)² -121 = 0
Step-by-step explanation:
if you need to find the roots you can take the square root of each side:
(x-5)² = 121
(x-5)² = 121
square root of (x-5)² is x-5
square root of 121 is ±11
first root: x-5 = 11
x = 16
second root: x-5 = -11
x = -6
