Answer:
350
Step-by-step explanation:
P(x) = 8 + 7x – 10x² = -10x² + 7x +8
The coefficient of x² is -10, the parabola has a maximum
x(max) = - (7 / 2 x (-10)) = 7 / 20
speakers should sold: 1000 x 7/20 = 350
−9
we need help with the same thing
300.29
45 degrees
When the angle is rotated, it does not change how many degrees the actual angle is
