Answer:
C. b²< 40
Step-by-step explanation:
2x²+ bx + 5=0 has no real solutions
=> D< 0
b² < 4ac
b²< 4(2)(5)
b²< 40
Step by ... 8*x^2+7*x-15-(-7)=0 ... 3.2<span>Solving 8x2</span>+7x<span>-8 = 0 by Completing The Square .</span>
Answer
I am not 100% sure on this, but I think that this is the answer. x=8
Step-by-step explanation:
Here is the equation that I made
4x+17+x+23=80
Let me know if it was right :)
The answer is <span>43.584. just put in google 19.2% of 227.</span>