Assuming that the equation defines a differential function of x, find Dxy by implicit differentiation.2xy - y2 = 1

A.
B.
C.
D.


Answer: C

Mathematics

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?Which of the following is the formula to find the volume of a semi-sphere surmounted on a right circular cone?

A.

?


B.

?


C.

?


D.

?


E.

?None of the above.


Mathematics

Factor by grouping.6x2 - 5xt - 4t2

A. (6x + t)(x - 4t) B. (2x + t)(3x - 4t) C. (2x - t)(3x + 4t) D. Prime

Mathematics

Use synthetic division to find the quotient and the remainder.

A. quotient: 2x4 + x3 + x2 + 4x + 3; remainder: 8 B. quotient: 2x4 + x3 - x2 + 2x + 1; remainder: 6 C. quotient: 2x4 - 3x3 - x; remainder: 6 D. quotient: 2x4 + x3 + 4x2 + 3x; remainder: 8

Mathematics

Solve. Remember to insert units when writing your answer.A lumber yard is going to cut a board which is 54 m into 18 pieces of equal length. How long will each piece be?

A. 3 m B. 4 m C. 36 m D. 13 m

Mathematics