Provide an appropriate response.In a recent year the United States exported 3,133,000 kg of rice. How many pounds of rice were exported?

A. 6,907,012 lb
B. 1,424,091 lb
C. 110,595 lb
D. 88,820,550 lb


Answer: A

Mathematics

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Provide an appropriate response.(a) If A is the coefficient matrix of the system , determine A-1.(b) Use A-1 to solve the system.

What will be an ideal response?

Mathematics

Use the given transformation to evaluate the integral.    Rwhere R is the trapezoid with vertices at    

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A.
B.
C.
D.

Mathematics

Write the system in the form  Then solve the linear system by computing  with a calculator. Round numbers to the nearest tenth, as necessary.1.5x + 3.1y - 2.3z + 0.6w = 2.76.1x - 0.5z - 3.4w = 0.8  11.5y - 2.2w = 04.0x + 3.0y - 2.1z = 9

A. (3.2, 1.0, 3.7, 5.0) B. (7.9, 2.4, 9.0, 12.3) C. (3.6, 1.1, 4.1, 5.6) D. (4.3, 1.3, 4.9, 6.7)

Mathematics

A coin is tossed seven times and the sequence of heads and tails is observed. What is the number of different outcomes having exactly three heads?

A. 210 B. 21 C. 10 D. 35 E. none of these

Mathematics