Mathematics, 21.09.2019 20:20 kaffolter25
Aconstruction firm is trying to decide which of two cranes to purchase. model a costs $100,000 and requires $8,000 a year to maintain. model b has an initial cost of $80,000 and a maintenance cost of $11,000 a year. for how many years must model a be used before it becomes more economical than b?
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
Answers: 1
Mathematics, 21.06.2019 21:30
Complete each statement from the information given and the triangle criterion you used. if the triangles cannot be shown to be congruent, leave the box for the second triangle blank and choose for reason “cannot be determined.” carbon - regular hexagon. ∆can ≅ ∆ by
Answers: 1
Aconstruction firm is trying to decide which of two cranes to purchase. model a costs $100,000 and r...
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