What is the percent uncertainty of a handtimed measurement of 70s Time intervals measured with a stopwatch typically have an uncertainty of about 0.2 s,due to human reaction time at the start and stop moments.不是求翻译哦!

what is the percent composition of cromium in BaCrO4 what number is the same percent of 225 as 9 is of 25? 英文化学题,求解A sample of an unknown biochemical compound is found to have a percent composition of 40.45 percent carbon, 7.92 percent hydrogen, 15.73 percent nitrogen and the balance oxygen. What is the simplest formula for this compound for what price 20 percent off the same as 20 dollars?for what price is 20 percent off the same as 20 dollars off What percent of 48 is 0.6? 40 is what percent of 500? For what price is 5 percent off the same as $5 off? decreasing 75by x percent give the same result as increasing 45 byx precent,what is the What is the percent uncertainty in the measurement 2.58 ± 0.15 cm?A) 2.9% B) 5.8% C) 8.7% D) 12% If there are 18 boys and 12 girls in a class,what percent of the class is girls? Life is ten percent what you make it and ninety percent how you take it. 一道gre数学题By weight,liquid A makes up 7.0 percent of solution 1 and 14.5 percent of solution 2.If 3grams of solution 1 is mixed with 2 grams of soluiton 2,then liquid A account for what percent what percent of the weight of the resulting solu 求翻译 what percent of 50 is 42 一些英语的数学题,what percent of 29 is what percent of 33.5 is 21?what percent of 55 is 34?41% of 78 is what 28% of 63 is what 58% of 63.4 is what 英语翻译A stock has an expected return of 17percent,a beta of 1.9,and expected return on the market is 11 percent.What must the risk-free rate be?帮忙翻译下,翻译器就不要麻烦了. 4.Suppose that in a town,54 percent of the people are male,16 percent of the people areover 6 feet tall,and 24 percent of the males are over 6 feet tall.(a) What is the probability that a randomly chosen person from the town is a male andis over 6 fe This is ten percent luck,　　Twenty percent skill 　　Fifteen percent concentrated power of will 　　Five percent pleasure,　　Fifty percent pain 　　And a hundred percent reason to remember the name! This is ten percent luck,Twenty percent skill,Fifteen percent concentrated power of will,Five percent pleasure,Fifty percent pain,And a hundred percent reason to remember the name什么意思?