Use Gauss-Jordan elimination to find the solution. Write the solution as an ordered triple.2x + y = 0 x - 3y + z = 03x + y - z = 0
A. (0, 0, 0)
B. (0, 1, 0)
C. (1, -2, -7)
D. (1, 0, 0)
Answer: A
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Find the equation of the circle from the given information.Center at (11, 16), containing the origin
A. (x - 11)2 + (y - 16)2 = 19 B. (x - 16)2 + (y - 11)2 = 19 C. (x - 16)2 + (y - 11)2 = 377 D. (x - 11)2 + (y - 16)2 = 377
Find the net cost equivalent and the percent form of the single discount equivalent for the following series discount.25/20
A. 0.55; 45% B. 0.4; 60% C. 0.45; 55% D. 0.6; 40%
Solve the problem.The function f(x) = 1 + 1.3 ln (x + 1) models the average number of free-throws a basketball player can make consecutively during practice as a function of time, where x is the number of consecutive days the basketball player has practiced for two hours. After 217 days of practice, what is the average number of consecutive free throws the basketball player makes?
A. 11 consecutive free throws B. 9 consecutive free throws C. 12 consecutive free throws D. 8 consecutive free throws
In a certain college, 33% of the physics majors belong to ethnic minorities. Find the probability of the event from a random sample of 10 students who are physics majors.Exactly 4 do not belong to an ethnic minority.
A. .0467 B. .2564 C. .2253 D. .0547