Use a graphing calculator to solve the system of equations. Round your solutions to one decimal place.2.2x + 2.1y - 4.1z = 1.54.0x - 6.8y + 1.2z = -3.03.8x + 4.0y + 4.0z = 10.9
A. (1.9, 2.2, 1.4)
B. (0.9, 1.1, 0.7)
C. (3.8, 4.5, 2.8)
D. (0.5, 0.6, 0.4)
Answer: B
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Solve the problem by writing and solving a suitable system of equations.Factories A and B sent rice to stores 1 and 2. A sent 14 loads and B sent 22. Store 1 used 20 loads and store 2 used 16. It cost $200 to ship from A to 1, $350 from A to 2, $300 from B to 1, and $250 from B to 2. $8600 was spent. How many loads went where?
A. 12 from A to 1 2 from A to 2 8 from B to 1 14 from B to 2 B. 14 from A to 1 0 from A to 2 6 from B to 1 16 from B to 2 C. 0 from A to 1 14 from A to 2 16 from B to 1 6 from B to 2 D. 13 from A to 1 1 from A to 2 7 from B to 1 4 from Y to B
Factor the GCF out of the given expression.10a6 + 40a4
A. 10(a6 + 4a4) B. 10a4(a2 + 4) C. 40(a2 + 4a) D. a4(10a2 + 40)
Convert the decimal to percent notation..00032
A. .32% B. .0032% C. .000032% D. .032%
Determine whether the vectors v and w are parallel.v = 
, w = 
A. Parallel B. Not parallel