The diagonals of a square bisect one another and are perpendicular.
so 21x+ 16.5 = 90
subtract 16.5 from each side
21x = 73.5
divide by 21 on each side
21x/21 = 73.5 /21
x = 3.5
Answer:
B. The number of possible pizzas that can be made with 12 possible toppings.
When -2x+y=1 and y=-x+4, x = 1
Answer:
P(X<=2) = 0.9736
Step-by-step explanation: Please find the attached file for the solution