Solve. -7t = 56

A) –392
B) 8
C) 49
D) –8
E) 63

D) –8

Mathematics

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Express the relationship between a small change in x and the corresponding change in y in the form .y = 4 cot  

A. dy = -4x3 csc  dx
B. dy = -4x4 csc2  dx
C. dy = 4x3 csc2  dx
D. dy = -4x3 csc2  dx

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Mathematics

Use the graph to find a ? > 0 such that for all x, 0 <  < ? ?  < ?.  

A. 1 B. 0.17 C. 0.5 D. 0.41

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Mathematics

Find the exact value of the expression using the provided information.Find tan(s - t) given that sin s = - , with s in quadrant IV, and  with t in 

A.
B. - 
C. - 
D. - 

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Mathematics

Give all solutions of the nonlinear system of equations, including those with nonreal complex components.  xy = 72x + y = -17

A. {(8, 9), (9, 8)} B. {(8, -9), (9, -8)} C. {(-8, 9), (-9, 8)} D. {(-8, -9), (-9, -8)}

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Mathematics