Answer:
0.4
Step-by-step explanation:
33+72+55+20=180
probability of choosing of choosing a maths teacher=72/180
=0.4
Answer:
Get the equation in the form y = ax2 + bx + c.
Calculate -b / 2a. This is the x-coordinate of the vertex.
To find the y-coordinate of the vertex, simply plug the value of -b / 2a into the equation for x and solve for y.
Step-by-step explanation:
Answer:
2) 15.00 + 0.80x
3) 0.90p
Step-by-step explanation:
Answer:
3/25
Step-by-step explanation:
Simplify the fraction by using common factors of numerator and denominator. Now, 12% can be written as 12/100.