a two digit no. is such that the sum of its digits is 11.when the digits are interchanged,the original no.exceeds the new no. by9 ...
Use mathematical induction to prove that 1+4+7+.....+ (3n-2) = n(3n-1)/2 for all integers n.
solve 6x-13<17<8x-7
Find all solutions, if any, to the system of congruences
x ≡ 5 (mod 6), x ≡ 3 (mod 10), and x ≡ 8 (mod 15).
$\sqrt{\}$ 44
[(9 × 10⁹) * (2.0 × 10⁻⁶ ) * (-3.0 × 10⁻⁶ )] / (0.02 )²
x/40 +x/16
you have a bag with 20 letters in it and three tiles labeled y and a second bag that has 500 letters and 170 tiles named y from wh...
The half-life of radium-226 is 1600 years. Suppose we have a sample that has a mass
of 20 mg.
a) Find a function that models t...
=
5-5*5+5