Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible.log19

A.  log195 - 2 log19y - 2 log19x
B. 6 log195 - 2 log19y - log196
C. log195 - log19y - log19x
D.  log195 - 2 log19y - log19x

Answer: D

Mathematics

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A.  = -cos t + e-t
B.  = cost - e-t
C.  = -cost - e-t
D.  = cos t + e-t

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Factor completely.2y2 - 8y - 90

A. (y + 5)(2y - 18) B. (2y + 10)(y - 9) C. 2(y2 - 4y - 45) D. 2(y + 5)(y - 9)

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Factor the difference of two squares completely.147x2y - 75y

A. 3y(7x + 5)2 B. 3y(7x + 5)(7x - 5) C. 3y(7x - 5)2 D. Prime

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Provide an appropriate response.The following proportion is not true. Change any one of the numbers in the proportion to make it true.

What will be an ideal response?

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Mathematics