Mathematics, 05.03.2021 03:30, sbanoali6120
Isabella is travelling in Brazil during the summer, She knows that a 15-minute phone call home to her family costs $45.85 and a 20-minute phone call costs $58.30 sabella only has $55.81 to spend on her phone call. How long can she talk to her family?
Answers: 2
Mathematics, 21.06.2019 16:30, emberjohnson26
Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15
Answers: 3
Mathematics, 21.06.2019 20:20, Kelbee781
Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?
Answers: 1
Isabella is travelling in Brazil during the summer, She knows that a 15-minute phone call home to he...
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