Answer:
6 ft
Step-by-step explanation:
Just took the quiz.
A. 145°
C. /
A. 250°
D. -.87,-0.5
A. Sqrt(3)/2
Answer:
n = 7
n = -3
Step-by-step explanation:
4n+6 = n²-15
4n = n² - 21
n² - 4n - 21 = 0
(n-7)(n+3) = 0
n = 7
n = -3
Answer:
There are two real roots because b²>4ac
in the equation, b²= 9² = 81.
4ac = 4×-4×-12= 72
Answer:
d) 192
Step-by-step explanation:
Your calculator can do this for you.
Or, you can simplify to
