Find the volume of a HEMIsphere
a radius of 4.

honestly math is my worst subject but i think its 2 im really srry i think thats wrong tho

Step-by-step explanation:

The system of equation is

x+y=400

 and

17x+6y=3640

Step-by-step explanation:

Given that, an amusement park charges $17 for each adult ticket and $6 for each child ticket.

Assume that, x represent the number of adult tickets sold and y represent the number of child tickets sold.

Total number of ticket sold= x+y

The park eared = $(17x+6y) in ticket sale.

According to the problem,

x+y=400 ........(1)

 and

17x+6y=3640 .......(2)

Subtract equation (2) from 17 times of equation (1)

17x+17y-(17x+6y)=6,800-3640

⇒17x+17y-17x-6y=3,160

⇒11y=3160

Putting the value of y in equation (1)

x+287.27=400

⇒x=112.73

The system of equation is

x+y=400

 and

17x+6y=3640