Select the order for the following matrix.
?

?

A. 4 × 3
B. 4 × 2
C. 4 × 4
D. 3 × 3
E. 3 × 4


Answer: E

Mathematics

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A water-filled ice tray is placed in a freezer that maintains a constant temperature of 6 degrees Fahrenheit. The table below shows the difference  between  the temperature T of the water in the ice tray, in degrees Fahrenheit, and the temperature the freezer.

 t051015 D71.0057.8947.2038.49? A: Find an exponential model for the data. Be careful. The data are given in steps of 5 seconds. Round your answer to two decimal places, if necessery.B: Find a formula that gives the temperature T after t minutes. Round your answer to two decimal places, if necessery.C: Make a graph of T versus t over the first 30 minutes.  Include the horizontal line representing the freezing temperature of water, 32 degrees.D: According to the model,  how long does it take for the water to reach 32 degrees? Round your answer to two decimal places. What will be an ideal response?

Mathematics

Evaluate the cylindrical coordinate integral.

A.
B.
C.
D.

Mathematics

Provide an appropriate response.Factoring (x + 8)4(x + 2)3 - (x + 8)3(x + 2)4 gives

A. 2(x + 8)3(x + 2)3(x + 5) B. 6(x + 8)3(x + 2)3 C. 10(x + 8)3(x + 2)3 D. 0 E. none of the above

Mathematics

Divide. Write a mixed numeral for the answer.-2 ÷ 11

A. - 
B. -  
C. -  
D. -  

Mathematics