Discriminant of 3x^2-2x=0

4

Step-by-step explanation:

discriminant = b^2-4ac

a = 3, b = -2, c = 0

(-2)^2-4(3)(0) = 4 - 0 = 4

4 is final answer

y - y1 = m(x- x1)

y - (-5) = 2/3(x -0)

y + 5 = 2/3x

y = 2/3x - 5

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.