Answer:
Step-by-step explanation:
sin x=7/15
x=sin^{-1}(7/15)≈28°
The answer is - x 2-3
put x=1
(-1)2-3
-2 -3
=-5
Answer:
He bought 3.3 cents
Step-by-step explanation:
I hope I am right
Answer:
Step-by-step explanation:
discriminant=5²-4×1×7=25-28=-3<0
no real number solution.
