linear programming models

Choose the mathematical model for the following problem: A number consists of two digits whose sum is 13. If 27 is added to the number its digits are interchanged. Find the number. => Applying a formula or A matrix or A linear equation or A rational expression..

Choose the correct mathematical model for the problem. If each of the base angles of an isosceles triangle is twice the vertex angle, find the angles of the triangle. => The problem can be solved by using a rational equation or The problem can be solved by using geometric or coordinate te..

The table shows the expenditure (in hundred dollars) on sports by a city club. Choose a linear model for the data. Which method can be used to estimate the amount spent on sports in 1992? Year 1980 1985 1990 1995 2000 Amount ($) 48.4 52.5 57 61.2 65.6 => y = 0.484 t + 61.2, ..

From 1990, the production of wheat is increasing by 4 thousand tons every year. In the year 1995, the total production of wheat was 44 thousand tons. Write a linear model in point-slope form for the production of wheat p in thousand tons over the years t . => p + 44 = 4( t + 5) ..

The table shows the percentage of US homes with personal computers between the years 1988 and 1992. Choose the linear model that represents the given numerical model by using 1988 & 1992 data to compute the slope. Years since 1988 ( x ) 0 1 2 3 4 Percent ( y ) 20 21 22..

The volume of air present inside a balloon as time elapses is as shown in the table. Find a linear model for the data. Elapsed Time Volume 0s 17 cm 3 5s 14 cm 3 10s 11 cm 3 15s 6 cm 3 20s 4 cm 3 25s 2 cm 3 => y = 17 x - 0.6 or x = - 0.6 y + 17 or y = - 0.64 x or y = - 0.6 x + 17..

The table shows the percentages of foreign - born people in the US between the years 1960 and 1990. Choose the linear model that represents the given data by using 1960 & 1990 data to compute the slope. Years since 1960 ( x ) 0 10 20 30 Percentage of people ( y ) 5.4 4.7 6.2 7.9..

Name the type of model that best fits the data collection: (- 1, - 1), (0, 1), (1, 3), (2, 5), (3, 7), (4, 9), (5, 11) => Linear model or Cubic model or Exponential model or Quadratic model..

Name the model that the graph of y = 1.3(0.82) x represents. => Quadratic or Exponential growth or Linear or Exponential decay..

Which of the following models represents the equation y = mx + b ? => Quadratic Model or Exponential Model or Cubic model or Linear Model..