yang

This page lists questions and answers that were posted by visitors named yang.

Questions

The following questions were asked by visitors named yang.

1 balloon cost $0.13 and the are 15 balloons in each bouquet. there are 12 bouquets in all,how much money do i need?

prove that: sin²(3x) + cos²(3x) + sin²(x) - cos²(x) = 0

Answers

The following answers were posted by visitors named yang.

pH=pKa+log(base/acid) pH= 9.25+log(0.14/0.18) pH= 9.14

7*2^3+4 = 7*8+4 = 56+4 = 60

The noble gases are found in group 18 of the periodic table. These elements were considered to be inert gases until the 1960's, because their oxidation number of 0 prevents the noble gases from forming compounds readily. All noble gases have the maximum n...

5=6y y= 5/6 y= 0.83

thank you then how do you solve : sin²(3x) + cos²(3x) - sin²(x) - cos²(x) = 0

thank you steve