Answer:
7: 100
8: 40
9: 74
Step-by-step explanation:
15x²+16x+4 =0 (ax² +bx +c=0)
Δ = b²-4ac =256 - 4×15×4 =16
x1 = (-b+√Δ) / 2a = (-16+√16) / 30 =( -16+4) / 30 = -12/30 = - 2/5
x2 = (-b -√Δ) / 2a = (-16 -√16) / 30 = (-16 -4) /30 = -20/30 = -2/3
Answer:
Not sure, It's getting kinda annoying ngl
Step-by-step explanation:
Answer:
I think the answer would be 22.15 but I'm not really sure.
I believe the answer is D. 25 and 27
Hope this helps :)