Mathematics, 12.03.2020 05:36 angie249
Every column of AB is a combination of the columns of A. Then the dimensions of the column spaces give rank(AB) ≤ rank(A). Problem: Prove also that rank(AB) ≤ rank(B)
Answers: 2
Mathematics, 21.06.2019 16:30
Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?
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Mathematics, 21.06.2019 17:30
If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)
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Mathematics, 21.06.2019 20:00
1: 4 if the wew 35 surfboards at the beach how many were short boards?
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Every column of AB is a combination of the columns of A. Then the dimensions of the column spaces gi...
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