Number of results: 3,223
Gold is alloyed with other metals to increase its hardness in making jewelry. Consider a piece of gold jewelry that weighs 9.85 g and has a colume of 0.675 cm cubed. The jewelry contains only gold and silver, which have densities of 19.3 g/cm cubed and 10.5 g/cm cubed, ...
Monday, July 25, 2005 at 12:38pm by william
I need to know how to calculate what percentage of a number is to another. let me make that clearer, 35 is what percent of 48? how is that calculated? What you are asking is this: 35 is to 45 as x is to 100 or 35/48=x/100 solve for x x=.729 Now to get % you must multiply x by ...
Sunday, August 21, 2005 at 9:17pm by jerry
can i have a list of times tables And your question is? 1> Googal stands for how many zeros after one? 2> Who invented logarithm for fast calculation? what is the product of 9 & 6? How could I work a problem that is: I have a bacteria that replicates every 12.5 minutes ...
Wednesday, August 31, 2005 at 1:35am by jake
27 letters in 1988, 18 letters in 1989 what is % of change? *need to know how you arrive at the answer Didide the change (-9) by the original value (27), and convert that fraction to a percentage. I'll be glad to critique your answer.
Sunday, June 11, 2006 at 8:59pm by nicole
PART A • Essay 1 In this case where Dr. Bob is preparing to operate on sally, he may have the opportunity to talk with the parents about the risks of the operation and obtain their informed consent, and because they are present at this time he should attempt to do this. On the...
Saturday, June 21, 2008 at 7:52am by Don
1.What is another term for " rate of return" ? 2.How do you convert a decimal into a percentage? 3.What is the "quick way" to convert a decimal into a percentage 4.Why can business started by young people face a lower risk of failure than adult business? 5. What else can be ...
Monday, June 12, 2006 at 10:18pm by lysa
in a circular road there is a fixed point from which two buses move in clockwise and anticlockwise. in every after 20 mins there is a bus moving in either direction.a man came to the point randomly and picked up the bus that came first.he came ten times in ten days and out of ...
Wednesday, June 28, 2006 at 12:00pm by trakib
Calculate the percentage of water in each of the following hydrates. Aluminum bromide hexahydrate I just need help setting this up. I can work it from there Would it be: AlBr * 6H2O Did I write it right?
Wednesday, January 14, 2009 at 5:50pm by Chopsticks
math percentage diff
a value of 2.40 increased to 4.48 in 5 years. what is the change in percentage each year? this one was difficult to figure out..
Wednesday, March 24, 2010 at 11:49pm by danny
you have 50 students one day and 70 the next what is the percentage increase
Thursday, January 13, 2011 at 4:34pm by Leon
URGENT! chemistry- percentage yield
You need to calculate the theoretical yield (Y) starting from 15.0 (I presume g) of antimony sulfide. In order to do this you need a balanced equation, so you need to insert symbols and balance: iron + antimony sulfide -> antimony + iron(II)sulfide. To calculate the ...
Wednesday, March 16, 2011 at 3:10am by Dr Russ
Choon yong was asked to paint a wall of area 84 meter square.In one hour,he had painted 21meter square. a)what percentage of the wall was left unpainted?
Saturday, February 11, 2012 at 9:05pm by Da S
Evelyn has a ribbon 420cm long.She uses 216cm to decorate a present.what percentage of the ribbon is left?Express your answer correct to 1 decimal place
Saturday, February 11, 2012 at 9:09pm by Da S
A jug contained 780ml of milk.Mrs Li poured 221ml of the milk into a glass and 130ml into a cup.what percentage of milk was left in the jug?pls give ur answer clearly
Saturday, February 11, 2012 at 9:16pm by Da S
Sharil is cycling from his house to Jeju Island,which are 15km apart.If Sharil has cycled a distance of 9.5km,what percentage of the total distance does he have left? pls round off ur answer to 1 decimal place
Sunday, February 12, 2012 at 11:47pm by Da S
Karen took 1h 45m to drive from town a to town b.she took another 25m to drive town b to town c.after that,she drove back to town a.the journey from town a to town c and then back to town a took 3h 35m. find the percentage of the time she spent driving back to town a from town...
Sunday, February 12, 2012 at 11:53pm by Da S
express each fraction as a percentage and round off to 2 decimal places. a)79/148 b)58/379 c)15/52 d)43/95
Monday, February 13, 2012 at 12:01am by kimi
Ruzita bought 3kg of chicken.she used 0.75kg of the chicken to cook curry and another 0.13kg to stew w/ vegetables.what percentage of the chicken was not used?
Monday, February 13, 2012 at 12:07am by kimi
Rahayu spent 2h 25m in a library.she spent 30m of the time reading newspapers.what percentage of her time in the library was spent reading newspapers?
Monday, February 13, 2012 at 12:18am by kimi
2/5 of the children in an art club were girls. 1/4 of the girls and 5/6 of the boys took part in a competition. 12 boys did not take part in the competition. a.) What percentage of the pupils in the art club did not take part in the competition? b.) How many girls did not take...
Sunday, October 7, 2012 at 8:43am by Unknown Error