Questions by Eugene Rosenfeld

Questions by Eugene Rosenfeld

The drag coefficient for a newly designed hybrid car is predicted to be 0.21. the cross-sectional area of the car is 30 ft2. determine the aerodynamic drag on the car when it is driven through still air

asked Mar 1, 2019

1 answer

3 votes

110k views

Is the quotient you get when you divide $550 and $.81 by 70 closer to $.80 eight dollars or $80

asked Oct 3, 2018

1 answer

5 votes

177k views

Luisa's current swimming record is 12% faster than it was last year. If her record last year was 4 minutes and 23 seconds, what is her record now? Round your answer to the nearest second.

asked Sep 27, 2018

1 answer

5 votes

20.2k views

Susan dropped a nail into a graduated cylinder filled with water. She then recorded the number of millimeters the water rose in the cylinder. Which property of the nail can be determined by the change

asked Sep 2, 2018

1 answer

0 votes

118k views

A rectangular prism has a volume of 517 ft³, a height of 9.4 ft, and a length of 11 ft. What is the width of the prism?

asked Jan 2, 2018

2 answers

1 vote

162k views

Sergio has decided to diversify his investments in the following way: $4,000 in an account earning 3.2% simple interest $4,000 in a savings account earning 2.1% interest compounded annually $7,500 in a

asked Sep 12, 2017

1 answer

5 votes

165k views

How many pints are in 1 and 1/2 quarts

asked Jul 22, 2017

1 answer

1 vote

194k views

Read these lines from the excerpt again: There was a rustling of dresses, and the standing congregation sat down. The boy whose history this book relates did not enjoy the prayer, he only endured it—if

asked Dec 2, 2016

2 answers

4 votes

123k views

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