Mathematics, 05.10.2019 09:30 rangercollege7441
Five times the number of test tubes in a school’s chemistry lab exceeds three times the number of beakers it has by 660. the sum of two times the number of test tubes and five times the number of beakers is 450.
if b is the number of beakers and t is the number of test tubes, the system of linear equations representing this situation is .
the number of beakers in the school’s lab is , and the number of test tubes in the school’s lab is .
Answers: 1
Mathematics, 21.06.2019 18:20
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 − 4x − 7 = 0b. 4r2 + 11r − 3 = 0c. 3m2 + 7 = 0d. t2 + 2t + 1 = 0
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Mathematics, 21.06.2019 18:30
Nick has box brads. he uses 4 brads for the first project. nick let’s b represent the original number of brads and finds that for the second project, the number of brads he uses is 8 more than half the difference of b and 4. write an expression to represent the number of brads he uses for the second project.
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Mathematics, 21.06.2019 21:00
A25- foot ladder leans against a building and reaches a point of 23.5 feet above the ground .find the angle that the ladder makes with the building
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