Mathematics, 08.11.2019 10:31 sistersaray

# Kay builds a 1/6 scale model of a train. the actual train is 42 1/2 feet long. how long is the model

Answers: 3

Mathematics, 21.06.2019 13:40

The cash price of a television is $580.the hire-purchase price of the television is $865.the hire-purchase price is an initial deposit of n% of the cash price and 6 equal monthly payments of $120.find the value of n.

Answers: 1

Mathematics, 21.06.2019 14:30

Describe in detail how you would construct a 95% confidence interval for a set of 30 data points whose mean is 20 and population standard deviation is 3. be sure to show that you know the formula and how to plug into it. also, clearly state the margin of error.

Answers: 3

Mathematics, 21.06.2019 20:00

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?

Answers: 2

Mathematics, 21.06.2019 20:30

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?

Answers: 1

Kay builds a 1/6 scale model of a train. the actual train is 42 1/2 feet long. how long is the model...

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