Answer:
$64.5745
Step-by-step explanation:
You had to do this:
9.99+11.99+11.99+21.00+21.00=75.97
x = 85
75.97 100 85*75.97=6457.45
100x=6457.45
6457.45/100= 64.5745
The correct answer is D because you would multiply the numbers in the bracket by 6 which would equal to 30
Answer:
y=-0.012x(x-200).
Step-by-step explanation:
1) the given parabola has two zeros: 0 and 200. It means, the required equation is: y=ax(x-200), where a - unknown number;
2) according to the given graph the vertex is (100; 120). It is possible to substitute the coordinates of it into the equation y=ax(x-200) and calculate the value of 'a':
120=a*100(100-200); ⇒ a=-0.012.
3) finally, the required equation is:
