Mathematics
Mathematics, 18.12.2020 19:40, marbuigues4675

Please help me I really ned


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Simplify the expression. enter the correct answer.
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Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?
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Me solve this problem, and someone clearly explain to me how to solve it.1.) use the value of the discriminant to determine if the given trinomials has 2 real solutions, 1 real solution, or no real solutions. a.  x2  โˆ’ 4x  โˆ’ 7 = 0b. 4r2  + 11r  โˆ’ 3 = 0c. 3m2  + 7 = 0d.  t2  + 2t  + 1 = 0
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Mathematics, 21.06.2019 21:00, millie54
Two cars which are 40 miles apart start moving simultaneously in the same direction with constant speeds. if the speed of the car which is behind is 56 mph and the speed of the other car is 48 mph, how many hours will it take for the car which is behind to catch up the car ahead of it?
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