Just add them all and get the answer ic b
They’re all fractions?
8/10, 24/30 and 16/20 are equal to 80%
X(t) = 1/2sin t + cos (2t)
speed = x'(t) = 1/2cos t - 2sin(2t)
acceleration = x''(t) = -1/2sin t - 4cos(2t)
When t = pi/2,
acceleration = -1/2sin(pi/2) - 4cos(pi) = -1/2 - 4(-1) = -1/2 + 4 = 3 1/2 = 7/2 m/s^2
Answer:
D
Step-by-step explanation:
abs. -1/2 = 0.5
abs. 2/5 = 0.4
Width= w
lenght = 6 width = 6w
area= 284 yd²
= (width)(length)
= (w)(6w)
= 6w²
6w²= 284
w²= 284/6
= 47.333333....
w=√47.2
= 6.88 inches
perimenter = 2width+ 2 lenght
= 2(w) + 2(6w)
= 2w+12w
= 14w
= 14(6.88)
= 96.28 inches
