Determine whether the following is always true or not always true. Given reasons for your answers.u × v = -(v × u)
What will be an ideal response?
Always true by definition of the cross product
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Find the complete solution of the system.  figure 1.png)
a. (1,0,1) b. (5,0,1) c. (0,1,-1) d. (0,-2,2) e. none
Solve the problem.The pH of a patient's blood was measured periodically during one week, and the measured values were 7.36, 7.37, 7.45, 7.42, and 7.45. Find the standard deviation and variance for the data. Round the results to the nearest thousandth.
A. s = 0.086, v = 0.007 B. s = 0.038, v = 0.001 C. s = 0.001, v = 0.001 D. s = 0.098, v = 0.010
Find the difference quotient, 
for the given function.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Solve the problem.Suppose that the sample space is S = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10} and that outcomes are equally likely. Compute the probability of the event E: "a number divisible by 3".
A. 
B. 
C. 3
D. 