Mathematics, 28.07.2019 05:30 anna8352
Solve the system. what restriction, if any, must be placed on the constants to make sure that there is a unique solution to the system? ax + y = b bx + y = a a) (1, a + b); a โ 0 b) (1, a - b); no restriction c) (โ1, a + b); a โ b d) (โ1, a - b); b โ 0
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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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Solve the system. what restriction, if any, must be placed on the constants to make sure that there...
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