subject
Mathematics, 02.12.2019 22:10 HeyItsCookie9605

Find counterexamples to each of these statements about congruences.
a) if ac ≡ bc (mod m), where a, b, c, and m are integers with m ≥ 2, then a ≡ b (mod m).
b) if a ≡ b (mod m) and c ≡ d (mod m), where a, b, c, d, and m are integers with c and d positive and m ≥ 2, then ac ≡ bd (mod m).

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 04.02.2019 15:36
Line gh passes through points (2, 5) and (6, 9). which equation represents line gh? y = x + 3 y = x – 3 y = 3x + 3 y = 3x – 3
Answers: 1
question
Mathematics, 03.02.2019 23:58
Two angles are complementary. the large angle is 36 more than the smaller angle. what is the measure of the large angle?
Answers: 1
question
Mathematics, 03.02.2019 22:57
The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?
Answers: 1
question
Mathematics, 03.02.2019 04:06
Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters
Answers: 1
You know the right answer?
Find counterexamples to each of these statements about congruences.
a) if ac ≡ bc (mod m), wh...
Questions
question
Health, 27.02.2020 11:48
question
English, 27.02.2020 11:54
question
Biology, 27.02.2020 11:57
question
Biology, 27.02.2020 11:57
question
Mathematics, 27.02.2020 11:59
question
English, 27.02.2020 11:59
Questions on the website: 6551834