Mathematics, 02.10.2019 08:10 Davisja21
Tell which equation you would use to isolate a variable in order to solve the system using substitution. explain your reasoning.
2x + y=-10
3x-y=0
Answers: 1
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Suppose y varies directly with x. write a direct variation equation that relates x and y. then find the value of y when x=12 y=7 when x=3
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Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
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Tell which equation you would use to isolate a variable in order to solve the system using substitut...
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