Find the exact value of and

What will be an ideal response?What will be an ideal response?


Mathematics

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Given matrix A, find the indicated cofactor.Find A21.A = 

A. -11 B. 11 C. 2 D. -2

Mathematics

Find the area of the shaded regions. Use ? ? 3.14 and round to the nearest tenth.

A. Not enough data B. 574.8 in.2 C. 956.3 in.2 D. 829.2 in.2

Mathematics

Solve the problem.The voltage E in an electrical circuit is given by E = 1.2 cos 80?t, where t is time measured in seconds. Find the amplitude.

A. 2.4 B. 1.2 C. 80? D. 80

Mathematics

Graph the linear equation.2x - y = 2

A.

B.

C.

D.

Mathematics