Mathematics, 02.04.2021 14:00 bradleylogan78
4. At school 45 students take piano lessons. The ratio of the numbers of students who take piano
lessons to violin lessons is 15:8. The ratio of the numbers of students who take violin lessons to
clarinet lessons is 8:9.
a) How many students take violin lessons? (2 marks)
b) How many students take clarinet lessons? (2 marks)
Answers: 3
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Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x
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Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2
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Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cot of 61.6
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4. At school 45 students take piano lessons. The ratio of the numbers of students who take piano
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