Test the vector field F to determine if it is conservative.F = -cos x cos yi + sin x sin yj - sec2 zk
A. Not conservative
B. Conservative
Answer: B
Mathematics
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Find area of circle. (Use 3.14 for ?)A circle whose radius is 5 in.
A. 31.4 in.2 B. 78.5 in.2 C. 314 in.2 D. 15.7 in.2
Mathematics
Provide the requested proof.In the trapezoid below, 
and 
. If M is the midpoint of 
, prove that 
What will be an ideal response?
Mathematics
Perform the indicated operation and round as indicated.
hundredths
A. 3.34 B. 0.28 C. 0.33 D. 2.84
Mathematics
The graph of a function f is given. Use the graph to answer the question.What are the x-intercepts?
A. -15, 17.5 B. -25, -15, 17.5, 25 C. -15 D. -15, 17.5, 25
Mathematics