Bài 2: Mỗi chuyến xe khách chở được tối đa 50 khách một chuyến. Nếu một chuyến chở được m hành khách thì giá tiền cho mỗi hành khách được tính là
2
7
50
2
  m
  −
 
đồng. Tính số khách trên mỗi chuyến xe để nhà xe thu được lợi nhuận
mỗi chuyến xe là lớn nhất?

Aformual for 8 bottles of window cleaner calls for 6 cups of rubbing to customers alcohol 2 1/4 gallons of water and 1 1/2 cups of ammonia alcohol would the forula call if a factory made 1,280 bottles for stores to sell to customers

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

Needmax recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.