Answer:
f''(2) = 8
Step-by-step explanation:
f'(x)= 2x³ - 4x +3
f''(x)= 2*3x - 4= 6x - 4
f''(2)= 6*2 - 4 = 12 - 4 = 8
I think the width is 13 and the length is 12
Answer: 8,100 cm^2
Step-by-step explanation: Area = S^2 so each side is sqrt(900) = 30cm
A square 3 times bigger has sides 30cm*3 = 90cm. The area for that square is 90^2 = 8,100 cm^2
Answer:
26.5 Km/h
Step-by-step explanation:
The distance is given as 1576 Km
The time
From 14th Sept at 0630 to 16 September at 0630 that is equivalent to 48 hours
From 16th September at 0630 to 1800 that is 11.5 hours
Total time=48+11.5=59.5 hours