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- David Hemmer

I can answer almost any question from undergraduate mathematics courses.

Mathematics professor.

Ph.D. University of Chicago

User | Date | K | C | P | Comments |
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Kenneth | 02/01/15 | 10 | 10 | 10 | Yes, I know all of that!! Can ..... |

Christopher | 01/29/15 | 10 | 10 | 10 | |

Prashant S Akerkar | 01/25/15 | 10 | 10 | 10 | Dear Prof David Thanks & Regards, Prashant ..... |

Pratik | 05/15/14 | 10 | 10 | 10 | Thankyou |

Ankit | 05/13/14 | 3 | 10 | 2 | Bad answer . Answer is 9. This follows ..... |

Percent "%" means as a fraction "out of 100" So 87% is 87/100. So if you want to know what percent say .63 is then you need to write it as something over 100. The simplest way to do this is multiply it

I suggest you list all the elements of the power set of {a,b,c} (there are eight of them which includes the empty set.) Notice that you are juts listing all the possible subsets. Next to each set A write

Please stop asking me these ridiculous questions. I am am mathematician, why would I know anything about touch screen displays? OF course it si possible to construct a calculator with a touchscreen display

No I don't see why they would be interesting,if you drew a picture on a piece of paper they things plotted using this geometry would look like they would if you held it up to a mirror, or looked at it

Remember that a matrix represents a linear transformation, so for example your 3x3 matrix A takes as input a vector X of length 3 and outputs the vector A*X. Eigenvectors are just 1-dimensional subspaces

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