Answer:
0.47 and 11.53
Step-by-step explanation:
h = 60t − 5t²
27 = 60t − 5t²
5t² − 60t + 27 = 0
Quadratic formula:
x = [ -b ± √(b² − 4ac) ] / 2a
t = [ -(-60) ± √((-60)² − 4(5)(27)) ] / 2(5)
t = (60 ± √3060) / 10
t = 0.47 or 11.53
PEMDAS is
Parenthesis
Exponets
Multiply
Divide
Add
Subtract
therefore, you would do 40*0=0+40+1=41
Answer:
131313
Step-by-step explanation:
The greatest number of packages which includes pairs of headphones and music players is the greatest common factor of the two numbers:
which is equal to 131313
So, there are 131313 packages that Tim can make with its greatest number. and in each package , there will be 3 pair of headphones and 1 pair of music player.
I believe 2/10 or 20/ 100
