Answer:
A) y = x^2 -1
B) -y = 2x^2 +1 We multiply B) by -1
B) y = -2x^2 -1
We can then say x^2 -1 = -2x^2 -1
3 x^2 = 0
x = 0
************* Double-Check: ******************
Equation A) y = -1 and
Equation B) y = -1
Step-by-step explanation:
Answer:
188
Step-by-step explanation:
88 + 6= 94
94 + 94 = 188
188 divided by 2 = 94
94 - 6 = 88
88 was how much Paula paid
49. 100-36= how many girls in percent
= 64%
64%= 16 girls
64/100=16/x
cross multiply
1600=64x
x=25
The price of the ticket would be 9dollars
Answer:
there are 2100 seconds in 35 minutes
