Monday

April 21, 2014

April 21, 2014

Number of results: 217,023

**Math**

You searched for: Many states are carefully considering steps that would help them collect sales taxes on items purchased through the internet. how many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the internet/ Assume ...
*Tuesday, July 10, 2012 at 12:29am by Katia Mastrotti*

**Economics**

What happens to the percentage of an income that is taxed when income rises and the tax is a proportional one? A. The percentage of tax falls. B. The percentage of tax rises. C. The percentage rises and then falls. D. The percentage of tax stays the same. I'm guessing the tax ...
*Monday, June 4, 2012 at 9:28pm by Anonymous*

**Algebra1**

Please check these for me. 11. Find: 32 out of 38 in percentage 84.2% 12. Find: 41 out of 51 in percentage 80.3% 13. Find: 69 out of 70 in percentage 98.5% 14. Find: 32 out of 110 in percentage 29% 15. Find: 41 out of 40 in percentage 102.5% Thank you
*Thursday, June 10, 2010 at 12:36pm by y912f*

**math**

What percentage? Change the percentage to a decimal and multiply it by $38,676.
*Saturday, April 24, 2010 at 4:08am by PsyDAG*

**math-calculus**

The following equation shows the approximate relationship between the percentage y of total personal consumption spent on food and the corresponding percentage x spent on education. y = 38/x^0.38 percentage points; (6.5 ≤ x ≤ 17.5). According to the model, spending...
*Thursday, December 20, 2012 at 7:10pm by Trisha*

**math**

about what percentage of the population believe saying F to ber true? = what percentage of 250148571.0 = 136,800,000?
*Monday, October 29, 2012 at 6:18pm by Anonymous*

**math work**

we set a percentage. 24000/17800. We can divide both numbers by 100 to get 240/178. That is your percentage.
*Saturday, November 17, 2012 at 11:16pm by scientest*

**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*

**Math**

Why would the percentage be two or three times greater than in the earlier decades? Besides, you need to estimate the number of immigrants, not the percentage of increase.
*Tuesday, March 29, 2011 at 4:13pm by Ms. Sue*

**statistics**

many states are considering steps that would help them collect sales taxes on items purchased through the internet. how many randomly selected sales transactions must be surveyed to determine the percentage that transpired over the internet? assume that we want to be 99 ...
*Saturday, May 8, 2010 at 9:54am by camera*

**Math**

To get that percentage, heres what you do. On a calculator go 10/17, and you'll get 0.5882352941176470...., then you just times that by 100, and you'll get your percentage, try this out now, and see if it works.
*Tuesday, October 27, 2009 at 6:19pm by Anonymous*

**percentages**

Hi I want to know what one amount is a percentage of another example what is 0.74 and a percentage of 4.91 thanks What is the percentage of .74 of 4.01? percent= .74/4.02 * 100 Thank You !!!!!!
*Monday, October 2, 2006 at 3:36am by ron*

**Statistics**

A Gallup Poll reported the percentage of Americans who approve of the President's job performance was 47% with a margin of error of 2 percentage points. What is a 95% confidence interval for the population percentage? A. 41% to 53% B. 45% to 49% C. 46% to 48% D. 43% to 51%
*Friday, May 18, 2012 at 5:00pm by Mary*

**Math-statistics**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantiles: a.percentage of scores less than 100 b. relative frequency of scores less than 120 c. percentage of scores less ...
*Friday, March 1, 2013 at 6:31pm by Jane Brown*

**Math**

A clothing retailer purchased a line of fall leather coats which were priced to sell at $600 each. This price reflected a markup of 45% on the selling price. At the end of the season the retailer had three coats left, which were marked down to 25% and sold. What was the ...
*Thursday, December 12, 2013 at 4:30pm by Anonymous *

**math**

1.3:75 to a percentage 2.1:30 to a percentage 3.4/8 to a ratio 4.20/100 to a ratio 5.solve for x: 1.7:8 ::21:x 2.6:10::x:40
*Wednesday, September 19, 2012 at 4:43pm by cleondra*

**math**

I need to find what 0.10 is a percentage of 0.72. and what 0.10 is a percentage of 0.62. Please help asap!!!!!
*Tuesday, June 29, 2010 at 11:54am by shaista*

**math help me plss**

1c 2a 3(you need a percentage to start with) Converting percentage to decimal is easy. First get rid of the percentage sign by crossing it off. Then move the decimal 2 places forward. Here I did an example following these steps below. 27% 27 2.7 0.27 Just that easy! Really it'...
*Thursday, January 17, 2013 at 9:40pm by MathMat*

**Marketing Math - markup/mark down**

A clothing retailer purchased a line of fall leather coats which were priced to sell at $600 each. This price reflected a markup of 45% on the selling price. At the end of the season the retailer had three coats left, which were marked down 25% and sold. What was the retailer'...
*Sunday, May 5, 2013 at 8:17pm by anonymous*

**math**

Well, I can not see your circle graph. However if the circle shows a certain percentage of Americans who ride for recreation, then divide that percentage by 100 and multiply the result by 5.7 million.
*Friday, March 18, 2011 at 4:28am by Damon*

**math**

first one is good in the second, you want the percentage of decrease so .05/.50 = .1 = 10% you just converted the $.05 to a percentage, there is no connection. (that's like converting apples to oranges)
*Saturday, February 21, 2009 at 11:09am by Reiny*

**Math**

Ahh, looks like neither one of us read the question carefully. P(t) given the percentage that will FAIL, which is 30.2% But it says, "what percentage ... is usable " so 100 - 30.2 or 69.8%
*Monday, April 7, 2014 at 7:50pm by Reiny*

**math**

This is like a pizza that's cut into six equal pieces. To find the percentage that's 1/6, divide the numerator by the denominator. Then move the decimal point two places to the right to get the percentage. If you post your answer, we'll be glad to check it.
*Tuesday, January 15, 2008 at 5:23pm by Ms. Sue*

**Math**

How do you convert fractions to a percentage? give me an example and ill explain what is the percentage for 7/4? divide 7 by 4. 1.75 multiply by 100 175 7 is 175 percent of 4. so, 175% = 7/4?
*Wednesday, November 29, 2006 at 6:24pm by Courtney*

**Math**

Alice usually has a 80% shooting percentage in basketball. On Monday she scored 16 baskets in 22 attempts. If she scores her usual percentage on Tuesday by scoring 20 baskets, how many shots did she attempt?
*Thursday, October 17, 2013 at 2:04pm by Anonymous*

**Math**

We are currently studying "earning money" for math. I read this sentence: When a store claculates its profit as a percentage of its cost price the profit is always bigger than the profit calculated as a percentage of the selling price. What does it mean and please give me an ...
*Friday, February 10, 2012 at 5:43pm by Jason*

**statics**

Jo, If you already have 55% and 44 as half the answer all you need is to divide the two to get the whole answer. 44/.55 =? This will give you the number of questions on the test. Practice percentage concepts. Once you get them down this type of question won't seem like a ...
*Monday, August 8, 2011 at 11:40pm by CreativeTeacher*

**auguta tech**

a. Percentage of scores less than 100=50 percent b. Relative frequency of scores less than 120= 0.34+0.135+0.0235+0.015+0.84 c. Percentage of scores less than 140 d. Percentage of scores less than 80 e. Relative frequency of scores less than 60 f. Percentage of scores greater ...
*Saturday, April 17, 2010 at 10:23pm by cynthia*

**excel graphing**

In column F (cell ranges F5:F16), use an appropriate formula to calculate the percentage of the grand total for each type of office supply. Format the results in the Percentage style. If necessary, decrease the decimal places to round the results to the nearest whole percent. ...
*Tuesday, May 31, 2011 at 6:20pm by kayla*

**statistics**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a.Percentage of scores less than 100b.Relative frequency of scores ...
*Tuesday, June 8, 2010 at 12:50pm by Kim*

**Math**

Suppose that the function represents the percentage of inbound e-mail in the U.S. that is considered spam, where x is the number of years after 2002. Use this model to approximate the percentage of spam in the year 2006 to the nearest tenth of a percent. Please show work.. ...
*Wednesday, December 10, 2008 at 10:35am by Anna*

**maths**

Oh, my. Your question asks which percentage graduate from college. Which percentage equals 1/2?
*Thursday, August 15, 2013 at 6:20pm by Ms. Sue*

**Chermistry**

Percentage assay is the ratio of purities to impurities expressed as percentage
*Tuesday, November 12, 2013 at 4:14am by Baffour Adofo Prince*

**percentage**

you have 50 students one day and 70 the next what is the percentage increase
*Thursday, January 13, 2011 at 4:34pm by Leon*

**PHYSICS HEELLPPP!!**

Hi I also have another question what would be the percentage of my answer of 9/8m/s^2? How do I calculate that to find my percentage?
*Monday, February 20, 2012 at 3:26pm by Jared*

**statistics**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100 b.Relative frequency of scores less than 120 c.Percentage of scores less ...
*Sunday, November 21, 2010 at 4:59pm by TAW*

**math,percentage**

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*

**chemistry**

Percentage difference is the same as percentage error?
*Friday, April 4, 2008 at 8:14pm by Tim's Titration Lab*

**Math**

Is this answer correct? Just double each number. The "frequency" establishes a percentage breakdown ( unless something else changes ) would stay the same no matter how many grades there are. With every grade doubling, the percentage breakdown stays the same.
*Wednesday, July 29, 2009 at 8:27pm by B.B.*

**chemistry**

There is more than one answer. The answer from Dr Bob is correct but you could also have the answer in terms of atoms. So the percentage of hydrogen atoms in toluene is (8/15) *100 The problem is that the question does not state what percentage it is looking for. It would be ...
*Sunday, September 6, 2009 at 10:09pm by Dr Russ*

**Statistics**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b. Relative frequency of ...
*Wednesday, March 31, 2010 at 2:39pm by Ab*

**statistics**

Assume that a set of test scores is normally distrbuted with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first.... a. Percentage of scores less than 100. b. Relative frequency of ...
*Saturday, May 8, 2010 at 4:19pm by Renee*

**statistics**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b. Relative frequency of ...
*Tuesday, July 13, 2010 at 1:44pm by Ab*

**statistics**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b. Relative frequency of ...
*Saturday, August 20, 2011 at 7:28pm by ann*

**Statistics... I need help**

. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: (Hint: Make a drawing and label first) a. Percentage of scores less than 100 b. Relative frequency of scores ...
*Monday, April 19, 2010 at 2:11am by Adam*

**COLLEGE MATH. Please Help**

perhaps I am missing something but wouldn't the smallest percentage possible of people agreeing with both statements be 0% ? and the largest percentage possible agreeing with both parts be 54% ?
*Wednesday, April 15, 2009 at 10:38am by Reiny*

**auguta tech**

Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100=50 percent b. Relative frequency of scores less than 120= 0.34+0.135+0....
*Saturday, April 17, 2010 at 9:38pm by cynthia*

**biology**

A man with normal color vision marries a woman who is colorblind. What percentage of their sons would be colorblind, what percentage of their daughters would be colorblind, what percentage of their daughters would be carriers of the colorblind gene?
*Thursday, March 31, 2011 at 1:37pm by Andrew*

**Economic**

Relative to people at the turn of the nineteenth century, people today spend A.a larger percentage of their income on clothing B. a smaller percentage of their income on clothing C. about the same percentage of their income on clothing D. about four times as much on clothing i...
*Thursday, March 4, 2010 at 9:02pm by pam*

**arithmetic**

when you are working with a percentage you move the decimal two spots to the left and then multiply the purchase by the percentage of tax in decimals. $48x0.065= $3.15 I hope this helps
*Tuesday, May 11, 2010 at 6:26pm by selina*

**math**

Activity Boys Girls Total Walk 3 6 Bike 5 3 skateboard 2 1 3. What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these *** 4. What percentage of the boys chose walking? (1 point) 30% **** 45% 25% none of these 5. What percentage of the ...
*Tuesday, April 8, 2014 at 11:49am by Ms.sue HELP PLEASE!!!*

**math**

percentage increase for 2,556,000,000 to 6,279,000,000 do you divide to get percentage or subtract then divide by 2 confused on this one.
*Thursday, October 8, 2009 at 4:55pm by donavan*

**Math**

The cicular graph is constructed based on percentages of each grade. Each percentage is then distributed over the full circle of 360°. If there are twice as many of each grade, the percentage of each grade will not change, therefore the circular graph (pie-chart) will not ...
*Sunday, November 1, 2009 at 4:34pm by MathMate*

**HEalth **

how much carboydrates we need in percentage in a day how much Fats we need in a day in percentage Why do we need fat how much percentage of protein we need what is complex carbohydreates
*Thursday, October 20, 2011 at 7:49pm by ZUICK*

**Chemistry+Percentage**

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*

**Chemistry**

1.) A 3.000gram sample of a hydrate compound containing Co, C2O4, and H2O was combusted to give 1.316g of Co3O4. What is the percentage of Cobalt in the oxide? 3.) 2.000 grams of a sample containing Co, C2O4, and H2O showed there to be 0.9621g of oxalate in the sample. Was is...
*Sunday, March 3, 2013 at 10:01pm by Robert*

**statistics**

Using teh 68-95-99.7rule. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. percentage of scores less than 100 b. relative frequency of scores less than 120 c...
*Monday, May 10, 2010 at 11:12pm by Christine*

**math**

How do you figure the percentage of ratios for example 30:30 what would the percentage be? How do you divide them and what number do you divide by what number?
*Thursday, November 12, 2009 at 7:33pm by Brittani*

**Math**

I am having a hard time figuring this out. Can someone assist me in the right direction? Here is the problem: 5. When managing a business, it is important to take inventory of where your money is spent. You have a monthly budget of $5,000. Refer to the table below and answer ...
*Wednesday, April 7, 2010 at 10:17am by Sarah*

**physics**

Percentage error in displacement time and mass are 2%, 1% and 3%. Find percentage error in the measurement of force.
*Sunday, July 15, 2012 at 11:15am by niharika*

**Science Fair**

If I were to weigh the hamburgers, compare that to the amount of fat shown on the nutrition guide, then find a percentage of it, would that work? Then, I would add the catsup, mayo, and mustard, weigh those, find that percentage and add them to the hamburger. Then I could ...
*Friday, November 9, 2007 at 4:04pm by Truffles*

**Math**

Your question is not worded in a manner that makes sense. You must mean that, after more boys are added, the percentage of all students that are boys becomes 70%, NOT the percentage of boys to girls. If that ratio became 70%, there would be fewer boys than girls.
*Monday, August 20, 2012 at 1:48am by drwls*

**Math Calculator help**

Assume that a normal distribution has a mean of 21 and a standard deviation of 2. Use the empirical rule to find the percentage of values that lie above 23. Now I did this on the Ti 83 by using Normalcdf(-5,1) and getting an answer of 0.84 and then 1-0.84 and I get about 15.9 ...
*Friday, November 25, 2011 at 3:40pm by HM*

**statistics**

You wish to find the coefficient of nondetermination, which is the percentage of the variation in y that cannot be explained by the corresponding variation in x. Formula: 1 - r^2 I'll let you take it from here. Convert the decimal to a percentage for your answer.
*Sunday, August 22, 2010 at 12:04am by MathGuru*

**percentage**

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*

**fraction&percentage**

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*

**Math Ms. Sue Help plz!**

Activity Boys Girls Total Walk 3 6 Bike 5 3 Skateboard 2 1 Total _________________________________________ 3. What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these 4. What percentage of the boys chose walking? (1 point) 30% 45% 25% none...
*Saturday, April 6, 2013 at 12:39am by Gabby*

**Java**

I need to write a Java program using an input file with the below data. I don’t even know where to begin. I have written others but this one has me totally confused. I know how to do it using math WL% = Wins / (Wins + Losses) I also wrote this to use but, can’t figure out how ...
*Saturday, April 5, 2008 at 4:45pm by Jay*

**statistic**

Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: a. Percentage of scores less than 100 b. Relative frequency of scores less than 120 ...
*Wednesday, August 24, 2011 at 3:17pm by Sonia*

**statistics**

Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b...
*Monday, August 16, 2010 at 12:50pm by sweet*

**stats**

Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 b...
*Monday, September 20, 2010 at 8:38pm by Jenn*

**statistics**

APY(annual percentage yield) Apr(annual percentage rate)
*Tuesday, February 3, 2009 at 9:04am by gen*

**accouting**

Nancy Company has budgeted sales of $300,000 with the following budgeted costs: Direct materials $60,000 Direct manufacturing labor 40,000 Factory overhead Variable 30,000 Fixed 50,000 Selling and administrative expenses Variable 20,000 Fixed 30,000 Question 1: Compute the ...
*Saturday, April 2, 2011 at 11:07pm by eric*

**statistics**

Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first… a. Percentage of scores less than 100 = ...
*Sunday, July 25, 2010 at 5:31pm by Trish*

**Math**

COMMON CORE? IT'S PART OF COMMON CORE, WHICH WILL ADVANCE ALL OUR KIDS TO NEXT GRADE LEVEL WEATHER OR NOT IF THEY PASS. If your kid is advanced they will be expected to maintain a certain percentage not based on their grade and if they don't they will be put in class with an ...
*Tuesday, November 12, 2013 at 6:13pm by Concerned Parent*

**Math**

The percentage increase can be calculated as (New Value - Old Value) / (Old value) * 100% For example, The price went up from $5 to $6: percentage change = ($6-$5)/$5 *100% = 1/5 * 100% = 20% The change can also be negative, for example, from $32 to $30 (price drop) percentage...
*Wednesday, June 10, 2009 at 12:41am by MathMate*

**statics**

Using the 68-95-99.7 rule: Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation of 20. Use the 68-95-99.7 rule to find the following quantities: Suggest you make a drawing and label first…Drawings need not be included in response...
*Monday, May 3, 2010 at 10:45pm by Anonymous*

**CHEMISTRY**

sorry, it would probably hep you to know that the objective is to calculate the percentage of silver and barium in the nitrate salt mixture. i know how to find the percentage once i get the grams, but i have no idea how to get the grams from this point. thanks :]
*Wednesday, January 30, 2008 at 6:05pm by Jake*

**Math**

Taking a certain percentage of a number means dividing this number by 100 and then multiplying this number with the given percentage. So we get that: 3,17392% of 3,123= (3,123/100)*3,17392= 0,0991215216
*Monday, February 25, 2008 at 9:31pm by Christiaan*

**MATH/FINANCE**

If DOL is defined as DOL=Percentage change in OCF/Percentage Change in Q please derive equation: DOL=1+FC/OCF? I need this by tomorrow...please help.
*Wednesday, December 8, 2010 at 12:31am by Anonymous*

**CHEM**

A student used 10 mL water instead of 30 mL for extraction of salt from mixture. How may this change the percentage of NaCl extracted? My book says: % NaCl= (grams of NaCl / total grams of mixture) x 100 What I don't get is if it does change the percentage, why? It says the ...
*Tuesday, September 4, 2012 at 4:42am by Daisy*

**Math -Data management Grade 12**

10 year old kids were asked to run around the track. Their times were normally distributed with a mean of 58.3 sec. and a standard deviation of 7.1 sec. a) What percentage of times will be less than 50 seconds? b) What percentage of times will be between 50 and 60 seconds?
*Thursday, May 27, 2010 at 10:47am by Madmazel*

**math**

Assume that the average annual salary for a worker in the United States is $30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $6,250. Find the following: (A) What percentage of Americans earn below $19,000? (B) What ...
*Thursday, October 25, 2012 at 10:35pm by Jen*

**Math**

Assume that the average annual salary for a worker in the United States is $30,500 and that the annual salaries for Americans are normally distributed with a standard deviation equal to $6,250. Find the following: (A) What percentage of Americans earn below $19,000? (B) What ...
*Sunday, October 28, 2012 at 4:22pm by Michael*

**ENGLISH/MATH HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!**

NYS ELA 7 Score - Level 2 (high two so I was seven points away to a three) My Scale Scare - 658 Level Two: 642-664 (scale score) Level Three: 665-697 (scale score) NYS Math 7 Score - Level 3 My Scale Score - 678 Level Three - 670-693 (scale score) I really want to know my ...
*Saturday, March 23, 2013 at 4:19pm by Laruen*

**!chemistry !experiment!**

Design an experiment which is not a tritation, you could use to calculate the percentage of water of crystalallization in NA2CO3.xH20. Need apparatus, detailed method including precutions and assumptions, how the results are recorded and how the percentage is calculated
*Tuesday, June 1, 2010 at 5:13am by Cameron*

**Math problem**

Please help me solve I have a budget of 5000, Labor is 1,835.00 a month what's the precentage a month Material is 18% a month how much is material a month Rent and utilities 25% how much is rent a month Miscellaneous is 1,015 what is the percentage The percentage should total ...
*Monday, November 21, 2011 at 2:33pm by Lavern*

**math**

What percentage of the total students chose skateboarding? (1 point) 10% 20% 30% none of these if 2 bys and 1 girl chose skateboarding? What percentage of the boys chose walking? (1 point) 30% 45% 25% none of these
*Wednesday, March 27, 2013 at 3:02pm by Terry*

**math**

Hi. What was the percentage increase in energy consumption from 1970-1988? In 1970 it was 66.4 and in 1988 it was 80.2 So I divide 80.2 by 66.4, right? So I get 1.2. Is the percentage increase 1.2%, .2%, 20% or 120%? Thanks!
*Sunday, April 20, 2008 at 12:15pm by Victor*

**algebra (excel)**

It is not clear which value you are using as the basis for your percentage. You will also need to deal with when the percentage is negative. try this (from my row 25!) =IF(OR(ABS((A25-B25)*100/B25)>10,ABS((B25-A25)*100/A25)>10),1,0) not neat but it does seem to work. It ...
*Wednesday, September 16, 2009 at 9:43am by Dr Russ*

**Accounting**

Yes..B is the correct answer as you need to divide the percentage by 2 to arrive at the correct answer. If you had take the full percentage you have arrived at C, which is incorrect.
*Monday, March 19, 2012 at 2:17pm by Carthel*

**math**

How do you figure out a percentage with a fraction of a number. For example 66 2/3 of ________ = 74? change the percentage to a decimal or fraction. Lets do fraction: 66 percent is 2/3 2/3 * Number = 74 multiply both sides by 3/2 Number = 3/2 * 74
*Wednesday, February 21, 2007 at 7:30pm by Shivangi*

**Statistics**

You want to estimate the grades of st2%atistics students who gets grades of C or better. How many students should you survey to be 95% confident that the sample percentage is off by no more than 2 percentage points.
*Tuesday, December 7, 2010 at 9:49am by Marnetta*

**statistics**

You want to estimate the grades of st2%atistics students who gets grades of C or better. How many students should you survey to be 95% confident that the sample percentage is off by no more than 2 percentage points.
*Tuesday, July 26, 2011 at 2:16pm by ali*

**percentage**

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*

**math**

A. Mandy buy a sweater that is on sale for 20% less than the original price, and then she uses a coupon worth an additional 15% off of the sale price. What percentage of the original price has she saved ? B. If the price of a stock increases by 40% and then by an additional 25...
*Sunday, January 27, 2013 at 4:48pm by gary*

**Math**

It's almost correct. Percentage Increases are measured in actual increse divided by the original value. In the given case, actual increase is 6 cents, and the original value (price) is 93.9 cents. The percentage increase is therefore 6/93.9*100%, a little more than 6%.
*Saturday, November 28, 2009 at 2:35pm by MathMate*

**Math**

The percentage of a certain brand of computer chips that will fail after t years of use is estimated to be P(t) = 100(1 − e−0.12t ). What percentage of this brand of computer chips are expected to be usable after 3 years? (Round your answer to one decimal place.)
*Saturday, April 5, 2014 at 10:04pm by Vanessa*

**Math**

The percentage of a certain brand of computer chips that will fail after t years of use is estimated to be P(t) = 100(1 − e−0.12t ). What percentage of this brand of computer chips are expected to be usable after 3 years? (Round your answer to one decimal place.)
*Sunday, April 6, 2014 at 8:53pm by Vanessa*

**math**

The percentage of a certain brand of computer chips that will fail after t years of use is estimated to be P(t) = 100(1 − e−0.12t ). What percentage of this brand of computer chips are expected to be usable after 3 years? (Round your answer to one decimal place.)
*Monday, April 7, 2014 at 5:16pm by vanessa*

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