Solve the system of equations using the inverse of the coefficient matrix.5x + 4y = 8-4x + 2y = -22
A. x = 4, y = -3
B. x = -4, y = 3
C. x = -3, y = 4
D. x = 3, y = -4
Answer: A
Mathematics
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Find all the first order partial derivatives for the following function.f(x, y) =
A. fx(x, y) = - ; fy(x, y) = -
B. fx(x, y) = ; fy(x, y) =
C. fx(x, y) = - ; fy(x, y) = -
D. fx(x, y) = - ; fy(x, y) = -
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Find the probability.A lottery game contains 22 balls numbered 1 through 22. What is the probability of choosing a ball numbered 23?
A.
B. 0
C. 1
D. 22
Mathematics
Find the amplitude, period and phase shift of
Mathematics
Use the distributive law to write an equivalent expression.-6(9m - 4)
A. -24m + 54 B. -54m - 24 C. 24m - 54 D. -54m + 24
Mathematics