how to find hire purchase?
what is the sum of the four angles of a quadrilateral
What is the sum of the angle measures in a quadrilateral?
4x-3=1÷256
40
100×0.9
×
1−0.1
1
×(exp(−0.1x)−exp(−1x))+
×(exp(−0.1(x−12))−exp(−1(x−12)))+ ...
(9/3 + 1/5) ÷ 10/4
126,122,118.114,110
these are the first few terms find the 21st term
$$\sum_{x=1}^{n}{x^2 \binom{n}{x} p^x (1-p)^{n-x} }$$
3^x / 3^y = 3; 3^x + 3^y = 12; 3^x - 3^y = ?
x+5/3 = 12
