Use the Gauss-Jordan method to solve the system of equations. x + y + z = 7 x - y + 2z = 72x + 3z = 15
A. (1, 2, 4)
B. (4, 2, 1)
C. (2, 1, 4)
D. No solution
Answer: D
Mathematics
You might also like to view...
Use Simpson's Rule with n = 4 steps to estimate the integral.
A. 4
B. 16
C. 8
D.
Mathematics
Find the opposite of the real number.23
A.
B. -
C. -23
D. 23
Mathematics
Use the identities for the cosine of a sum or a difference to write the expression as a single function of ?.cos (? - 180°)
A. -sin ? B. cos ? C. sin ? D. -cos ?
Mathematics
Solve the problem. Use 3.14 for ?.A wicker basket has a circular rim with a diameter of 10 in. How many inches of ribbon are needed to go once around the rim?
A. 29.4 in. B. 31.4 in. C. 100 in. D. 62.8 in.
Mathematics