Mathematics, 01.05.2021 22:40 juanitarodrigue
Emma makes bronze jewellery. Bronze is a mixture of copper and
tin in a ratio of 22 : 3. Emma has 88 kilograms of bronze.
What mass of tin does Emma have in her bronze mixture?
Answers: 1
Mathematics, 21.06.2019 17:30
Arecipe uses 2 cups of sugar to make 32 brownies. how many cups of sugar are needed to make 72 brownies?
Answers: 1
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The experience c-0.25c can be used to find the cost of an item on sale for 25% off which expression beloit equivalent to c-0.25c
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Mathematics, 22.06.2019 02:30
An engineer is going to redesign an ejection seat for an airplane. the seat was designed for pilots weighing between 120 lb and 161 lb. the new population of pilots has normally distributed weights with a mean of 125 lb and a standard deviation of 28.1 lb. a)if a pilot is randomly selected, find the probability that his weight is between 120 lb and 161 lb.the probability is approximately? b. if 36 different pilots are randomly selected, find the probability that their mean weight is between 120 lb and 161 lb. the probability is approximately? c. when redesigning the ejection seat, which probability is more relevant? . part (b) because the seat performance for a single pilot is more important. b. part (b) because the seat performance for a sample of pilots is more important. c. part (a) because the seat performance for a sample of pilots is more important. d. part (a) because the seat performance for a single pilot is more important.
Answers: 3
Emma makes bronze jewellery. Bronze is a mixture of copper and
tin in a ratio of 22 : 3. Emma has...
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