Mathematics, 24.01.2020 21:31 joho38
3. the manager of a fish store has water that is 10% salt and water that is 25% salt. he needs to fill an aquarium with 5 gallons of water that is 20% salt. a. write a system of linear equations that you can use to determine how many gallons of each type of salt water the manager should combine. be sure to define your variables. b. solve the system and determine how many gallons of each type of salt water the manager should combine. show all your work.
Answers: 2
Mathematics, 21.06.2019 18:00
Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2
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Mathematics, 21.06.2019 19:00
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
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Mathematics, 21.06.2019 21:30
Ihave a triangle with a 60 degree angle. lets use d for that angle. what are the values of e and f if d is 60 degrees? and what do you notice about the values of e and f?
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3. the manager of a fish store has water that is 10% salt and water that is 25% salt. he needs to fi...
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