Answer:
8.1
Step-by-step explanation:
2x^2 -9 = 121
+9 +9
2x^2 = 130
/2 /2
x^2 = 65
x= sqrt (65)
x= 8.06225...
x = 8.1
Answer:
y=25*2ˣ.
Step-by-step explanation:
no details.
You can just subtract 6% from 30% to get the correct percentage decrease because a sales tax is added to the price.
30%-6%= 24%
Convert that to a decimal.
24%= .24
50*.24= 12
50-12= 38
Maggie paid $38 dollars for the pair of shoes.
I hope this helps!
~kaikers
Answer:
7/10
Step-by-step explanation:
