Mathematics, 09.09.2019 19:30 Leii691
The number 3 can be expressed as a sum of one or more positive integers, taking order into account, in four ways, namely: 3, 1 + 2, 2 + 1, and 1 + 1 + 1. show that any positive-integer n can be so expressed in r-1 ways.
Answers: 2
Mathematics, 21.06.2019 18:30, lealiastentz532542
The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.
Answers: 1
The number 3 can be expressed as a sum of one or more positive integers, taking order into account,...
Mathematics, 09.12.2021 03:30