Simplify the expression. (2-5/) -(3 + 4/)
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Mathematics, 21.06.2019 18:00
Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}
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Mathematics, 21.06.2019 20:00
Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?
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Mathematics, 21.06.2019 23:30
Sam opened a money-market account that pays 3% simple interest. he started the account with $7,000 and made no further deposits. when he closed the account, he had earned $420 in interest. how long did he keep his account open?
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