22 play violin.
1/5 * 40 = 8
1/4 * 40 = 10
8+10=18
40-18=22
22!
Answer:
x ≈ 11.09
Step-by-step explanation:
Using the rule of logarithms
x = n ⇒ x = 
Given
ln(x + 9) = 3 , that is
(x + 9) = 3 , then
x + 9 = e³ ( subtract 9 from both sides )
x = e³ - 9 ≈ 11.09 ( to the nearest hundredth )
Answer:
Step-by-step explanation:
In how many ways can the club select its new officers
Need to fill 4 positions
24P4 = 24!/(24-4)! = 24!/20! = 21*22*23*24 = 255,024
621,864
Since the 4 is a smaller digit than a 5, the 6 in the tens place would stay the same while the 4 would become a 0.