mathematical models for

Theoretical/empirical probability Probability models Studying patterns and analyzing data Rates, linear functions, direct/inverse variation Problems related to personal income, credit, financial planning Transformations, symmetr..

Multiple approaches to solve problems Techniques to study patterns and analyze data Problems related to personal income and credit Problems related to financial planning Transformations, symmetr..

Thrice a number diminished by 7 is at least 11. Choose an equation or inequality as a mathematical model for the problem. => 3 c - 7 ≤ 11 or 3 c + 7 ≥ 11 or 3 c - 7 ≥ 11 or 3 c + 7 ≤ 11..

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..

Jeff and Victor can do a piece of work in 14 days. Jeff alone can do it in 22 days. In how many days can Victor alone do the same work? Choose the mathematical model for the problem. => A rational equation. or Using geometric or coordinate techniques can help in solving the prob..

Choose an appropriate mathematical model for the problem. The perimeter of a rectangular field is 280 m. If the length of the field is increased by 3 m and breadth decreased by 2 m, then the area is decreased by 56 sq.m. Find the length and breadth of the field. => Applying a fo..

Which of the following mathematical expression models the salary S after a 4.5% increase, when the original salary is $ x ? => (0.045) x or (1.045) x or (1.0045) x or (1.5) x..

Atomic Models..

'Raisin Pudding' Model - Thomson's model of atom : J. J Thomson the discoverer of the electron believed that the atom is a uniform sphere of positive charge with electrons (raisins) embedded in i..

J.J.Thomson proposed the first simple and most primitive model in 1898, which considered an atom to be a sphere of uniform positive charge into which the negatively charged electrons were embedded. This model was like a plum pudding dotted with raisins and was thus called as 'p..