3 years ago

Karen finished watching a movie at 1:10 pm. The movie lasted 1 hour 38 minutes what time did Karen started watching the movie

Mathematics

1 answer:

Viktor [21]3 years ago

5 0

well, the movie lasted 1:38 so.... and she finished it at 1:10pm.

1:10pm minus 1 hour? 12:10pm.

12:10 pm minus 10 and minus 28 minutes? 12:10 - 00:10 = 12:00pm, 12:00 - 00:28 minutes = 11:32am.

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Answer:

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Because you replaced the first marble into the bag. That word replacement is critical in a problem of this nature. There is the term non replacement which means that the second draw would have a denominator of 9.

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3 years ago

You are standing above the point (5,5)(5,5) on the surface z=15−(2x2+2y2)z=15−(2x2+2y2). (a) in which direction should you walk

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Since the surface is the top part of a sphere centred on the origin, the directions of steepest descent are any vector originating from the origin (0,0).

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You can also go through vector calculus to arrive at the same result.