Solve the system of linear equations using the Gauss-Jordan elimination method. If there is no solution, answer none


(8,2,9)

Mathematics

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Solve the problem.Find the diameter.

A. 23 cm B. 20 cm  C. 40 cm  D. 10 cm 

Mathematics

Find the equation of the indicated least-squares curve. Sketch the curve and plot the data points on the same graph.For the points on the following table, find the least-squares curve y = m + b.

A. y = -3.035 + 3.471

B. y = -2.6 + 2.496

C. y = -3.6 + 2.9

D. y = -3.471 + 3.035

Mathematics

Solve.365.57 = 13.9 ? x

A. 27.3 B. 26.3 C. 263 D. 2.63

Mathematics

Solve.A $270.00 dress is on sale for 45% off. Find the discount and the sale price.

A. Discount: $12.15; sale price: $2578.50 B. Discount: $121.50; sale price: $2578.50 C. Discount: $121.50; sale price: $148.50 D. Discount: $12.15; sale price: $148.50

Mathematics