Mathematics, 03.07.2019 18:30 brandonleekenyon
Let r be a communtative ring and a, b elements in r. prove that if a and b are units, then so is ab. what can we say about ab when a is a unit and b is a zero divisor? prove your claim.
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Guests at an amusement park must be at least 54 inches tall to be able to ride the roller coaster. which graph represents the set of heights that satisfy this requirement?
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Solve the equation using the zero-product property. -3n(7n - 5) = 0 a. 0, -5/7 b. -1/3, -5/7 c. -1/3, 5/7 d. 0, 5/7
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Which of the following is the explicit rule for a geometric sequence defined a recursive formula of a -5a for which the first term is 23?
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Let r be a communtative ring and a, b elements in r. prove that if a and b are units, then so is ab....
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