Solve using Cramer's rule.
A. (5, -2)
B. (2, -5)
C. (-5, 2)
D. (-2, -5)
Answer: C
Mathematics
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The first derivative f ' is given. Find all values of x that make the function a local minimum and a local maximum.f'(x) = (x - 4)2(x + 8)
A. Local maximum at x = 4 B. Local minimum at x = -8 C. Local minimum at x = -8; local maximum at x = 4 D. Local minimum at x = -8; local maximum at x = -4 and 4
Mathematics
Two vectors u and v are given. Find the angle (expressed in degrees) between u and v. :  figure 1.png)
(a) 1.3° (b) 1.2° (c) 63.9° (d) 36.9° (e) none of these
Mathematics
Identify a pattern in the list of numbers. Then use this pattern to find the next number.40, 33, 26, 19, 12
A. 7 B. 0 C. 5 D. 2
Mathematics
What is the median for the following resistor values?
33 K, 31.5 K, 32 K, 39 K, 38 K, 35 K, 37 K, 39 K, 43.1 K
Mathematics