Answer:
4. none of the above
Step-by-step explanation:
cos(x)=-1 is 180 where value x is.180
Bottom left. Because of th eminus sign, the v curve is "upside-down" and because of the +1, its function value peak is at 1
Answer:
Step-by-step explanation:
1.
Equation one:
x = -5, x = -1 (Both are real)
Equation two:
No real solutions
Equation three:
x = -3 (Real)
Equation four:
No real solutions
2.
The easiest way to figure out if an equation has real solutions is to factor it. If it is factorable, then it has real solutions. If it isn't, then it doesn't have real solutions.
Answer:
There are 15 girls.
Step-by-step explanation:
The ratio is 4:3, meaning there are 7 parts.
4 parts= 20 (Boys)
This means 1 part is 20 divided by 4.
1 part= 5
3 parts= Amount of girls.
3 x 5 = 15.
There are 15 girls.
Answer:
a. number of boxes sold ≥ 50
b. 26 + x ≥ 50
Step-by-step explanation: