Factor.x2 - 1.6x + 0.64

A. Prime
B. (x + 0.8)2
C. (x - 0.8)2
D. (x + 0.8)(x - 0.8)


Answer: C

Mathematics

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Find Dxy.y = sinh 5x coth x

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Evaluate the integral.

A. 8i  - 6j + 3k
B. 4i  - 3j - k
C. 4i  + 3j - k
D. 8i  + 6j - 3k

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Solve the problem.A radio transmission tower is 170 feet tall. How long should a guy wire be if it is to be attached 14 feet from the top and is to make an angle of 35° with the ground? Give your answer to the nearest tenth of a foot.

A. 190.4 feet B. 272.0 feet C. 296.4 feet D. 207.5 feet

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Write the sentence as an equation or inequality. Use x to represent any unknown number.Twice a number is 11.

A. x = 22
B. x = 11
C. x + 2 = 11
D. 2x = 11

Mathematics