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
1. D
2. A
3. B
4. A
5. C
6. D
7. A
It should be -37. i hope this helps :)
Answer:
42 degrees
Step-by-step explanation:
48 + x = <u>right angle</u> = 90 degrees
48+ x = 90
x = 42 degrees