Answer:
[5, oo)
Step-by-step explanation:
Add 6x+16 to both sides:
20 ≤ 4x
5 ≤ x . . . . . . divide by 4
The solution interval is [5, oo).
Answer:
After Two Hours.
Step-by-step explanation:
A simple way to do it is to:
1. Add 50+55, it is equal to 105. This is after one hour, so we know that it's more than this.
2. Add 50+55 to 105, This is after two hours, and we get 210, so we know that it has to be equal to 2 hours.
Answer: 40%
Step-by-step explanation: all percents add to 100%, so 40%+20%=60%, and 100%-60%=40%
Answer:
I attached the graph below
Step-by-step explanation:
This equation is the standard form for the equation of a circle, with the equation (x-h)^2+(y-k)^2=r^2, where h is the x coordinate of the center of the circle, k is the y coordinate, and r is the radius. Hope this helps!
Answer:
93
Explanation:
2x^2-2+y
Plug in the given values for x and y
2(-7)^2-2+(-3)
Solve the exponent
2(49)-2+(-3)
Open up the parentheses
98-2-3
96-3
93
I hope this helps!
