Solve the problem.Find the complementary angle to ? = 53°55'53''

A. 37°5'7''
B. 37°4'7''
C. 126°4'7''
D. 36°4'7''


Answer: D

Mathematics

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Solve the problem.The deflection d (in m) of a diving board x m from the fixed end at the pool side is given by d = kx2(3L - x), where L is the length of the diving board and k is a positive constant. Find the instantaneous rate of change of d with respect to x for x = 1.8 m. Give your answer in terms of k and L.

A. (9.72kL - 5.832k) m/m B. (5.4kL - 1) m/m C. (19.44kL - 9.72k) m/m D. (10.8kL - 9.72k) m/m

Mathematics

Add or subtract as indicated. Write the answer in simplest form. +  + 

A.
B.
C.
D.

Mathematics

Provide an appropriate response.Suppose that you are solving a system of three linear equations and three variables by the row echelon method and you obtain the following augmented matrix.  What row transformation would you perform next?

A. Add -2 times row 1 to 10 times row 3 to obtain a zero in the third row, second column position.
B. Multiply row 2 by .
C. Multiply row 1 by .
D. Add row 1 to row 2.

Mathematics

Find the probability.Two 6-sided dice are rolled. What is the probability that the sum of the two numbers on the dice will be greater than 9?

A.  
B. 6
C.  
D.  

Mathematics