Mathematics, 01.08.2019 21:30 Mypage22
David is twice as old as sara, and jessica is three times as old as sara. if their ages add up to 30, how old is david? x = sara's age 2x = david's age 3x = jessica's age
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Mathematics, 21.06.2019 16:00
An appliance store sells a washer-dryer combination for $1800. if the washer costs $300 more than the dryer, find the cost for each appliance.
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Mathematics, 21.06.2019 19:00
What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2
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Mathematics, 21.06.2019 20:00
The multiplicative property of equality states that for real numbers a, b, c, and d, if a = b and c = d, then ac = bd. true false
Answers: 1
David is twice as old as sara, and jessica is three times as old as sara. if their ages add up to 30...
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