Answer:
If a = the number of adult tickets sold, then (a + 20) = the number of student tickets sold
a + (a + 20) = 240
2a + 20 = 240
2a = 220
a = 110
There were 110 adult and 110 + 20 = 130 student tickets sold
Step-by-step explanation:
Answer:
D
In a command economy, the government makes few economic decisions.
First factor x^2+13x+36 using the AC method. Then if any individual factor on the left side of the equation is equal to zero the whole expression will equal zero. After that set x+4 equal to zero and solve for x and do the same for 9. Lastly your answer is all the values of (x+4)(x+9)=0 true.
Answer:
First, you have to find out the surface area of the box
=> Sbox = 10 x 5 x 2 + 10 x 8 x 2 + 5 x 8 x 2 = 340
Denote Surface area of the ball as Sball, we have:
Sball + Sbox = 352.56
=> Sball = 352.56 - Sbox = 352.56 - 340 = 12.56
From the formula to calculate Sball, we have:
4 x pi x radius^2 = 12.56
=> radius^2 = 12.56/(4 x pi) = 1 (here, pi = 3.14)
=> radius = 1 in
Hope this helps!
:)
Answer:
its c , hope that helps on time
Step-by-step explanation: