The answer is <span>D: The graph of the function is negative on (3,infinity).</span>
Answer:
2,400 foot-pounds
Step-by-step explanation:
Say at any instant x is length of Rope
Work done in lifting rope by dx amount will be:
dw = -(2.5x + 10)dx
w = -(40)∫(2.5x+10)dx
w = (2.5(40)^2) / 2 + 10(40)
w = 2000 + 400
w = 2,400 foot-pounds
The interior angles of a quadrilateral have to add to 360 degrees.
Add 41 + 88 + 114 = 243 Then subtract from 360. 360-243 = 117 degrees
Answer:
829
Step-by-step explanation:
Data provided in the question:
margin of error of E = $4
Confidence level = 90%
Standard deviation = $70
Now,
Sample size, n=
for 90% confidence level, z value = 1.645 [from standard z-table]
Therefore,
n =
= 28.7875²
= 828.72 ≈ 829
Hence,
The correct answer is option (D) 829
15
Step-by-step explanation:
I hope you will understand