help for hw

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  1. How many cubic yards of concrete is required to construct 5 miles of interstate that is 12ft wide and paved with 0.5 ft deep with material?

 

  1. Show mathematically that 1 cfs is nearly the same as 1 acre×in/hr.

 

  1. What is the number of significant figures in 509

 

  1. For the data given in the table below, indicate in which column (A, B, C) the data is repeatable, accurate, or precise.

Speed of a car

 

A

B

C

 

Radar Gun 1

Radar Gun 2

Radar Gun 3

Car 1

37

45

45

Car 2

38

46

50

Car 3

40

44

40

*Speed limit is 45 mph

 

  1. It take 296.13 miles to get from San Antonio, TX to Lufkin, TX in a car. What is a reasonable number to round to, to determine the amount of money I should budget for gas.

 

 

 

    • 9 years ago
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