Add or subtract. Express the answer as a mixed number.3 + 7

A. 9
B. 10
C. 11
D. 3

Answer: B

Mathematics

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Write the indicated term of the binomial expansion.(4x2 + )9 ; 5th term

A. 32,256x8y2
B. 129,024x10y4
C. 1024x10y2
D. 129,024x10y2

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Mathematics

Solve and check.12n2 + 33n = 0

A. - , 0
B. 0
C. -  
D. - , 33

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Mathematics

Provide an appropriate response. In the circuit represented by the diagram, find the total current It if Ic = 62 A. All units are in amps. 

A. 77.9 amps B. 47.2 amps C. 102.3 amps D. 49.3 amps

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Mathematics

Use the determinant feature of a graphing calculator to solve the system by Cramer's rule . (Round to one decimal place.)2.2x + 14.0y + 2.9z = 4.63.6x - 7.0y - 0.6z = -4.53.4x + 16.7y + 4.9z = 11.5

A. {(-1.4, -0.5, 4.9)} B. {(3.4, 1.2, -12.3)} C. {(-5.6, -1.9, 20.1)} D. {(-2.0, -0.7, 7.4)}

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Mathematics