Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.5w + 5x - 5y - 5z = -4-w - 5x - 5y - z = -22w + 3x + 3y + 2z = -52w + 4x + 4y + 2z = 6
A. (-z, z, -z, z)
B. 
C. 
D. No solution
Answer: D
Mathematics
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Find the derivative.
A. sin (x6)
B. 6x5 sin (x6)
C. 
x7 sin (x6)
D. -cos (x6) - 1
Mathematics
Write a chain rule formula for the following derivative.
for z = f(r, s); r = g(t), s = h(t)
A. 
= 
+ 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
Mathematics
Write an equivalent fraction satisfying the stated condition.
; denominator = 16
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A manufacturer's cost is given by C = 500n1/3 + 2000, where C is the cost in dollars and n is the number of parts produced. Find the cost when 64 parts are produced.
A. $125 B. $4000 C. $6000 D. $3000
Mathematics