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December 20, 2014

Search: percentages

Number of results: 231

Chemistry
The atomic mass of chlorine is listed as 35.454 amu on the periodic table. It has two naturally occurring isotopes, Cl-35 and Cl-37. What are the approximate percentages of each? I have no idea how to figure out the percentages for this. I know how to determine the atomic mass...
June 14, 2009 by Anonymous

Math
The data shows how a family budgets it's weekly income. It uses percentages and weekly bills in dollars. Which graphs could you choose to display your data? I think the circle graph because your using percentages, and maybe a line graph
March 11, 2014 by Anonymous

Statistics
Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a comparison to the percentages...
September 16, 2014 by Beck J

Statistics Homework Check
Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a comparison to the percentages...
September 15, 2014 by Becky

Statistics Homework Check
Hi! I had this one last question on my homework that I wasn't sure about, but, I need someone to check this for me and see if this is right. Thanks so much! Question: The study that looked at prevalence of various appliance in homes in 2001 made a comparison to the percentages...
September 15, 2014 by Becky

math214
Use the following data to justify the amount of time that you expect to assign for weekly homework to classes in grades K–4 and grades 5–8. National Survey of Teachers Concerning the Amount of Homework Assigned per Week k-4 (percentages) 5–8 (percentages) 0–30 min 48 8 31–60 ...
September 25, 2011 by darcel78

percentages
what is 1% of £117.
April 23, 2008 by lol

math
how you do percentages?
November 17, 2014 by Irma

Percentages
20 is what percentage of 372
June 30, 2010 by John

chemistry
Calculate the percentages of C,H,and O in C24H44O22.
February 13, 2011 by twynna

chemistry
Calculate the percentages of C,H,and O in C22H44O22.
February 20, 2011 by twynna

Chemistry
1. Consider a 1.00g unknown sample that contains 62.0% sodium carbonate and 38.0% sodium bicarbonate, NaHCO3, by mass. When this sample is dissolved in water, how many mL of 0.200M HCl will be required to convert all of the carbonate to bicarbonate? How many mL will be ...
February 26, 2014 by Mia

CONSUMER MATH PERCENTAGES
WHAT IS THE PERCENTAGE OF $7.30 IF IT USED TO BE $6.50???
March 10, 2009 by EDGAR

psychology
What is the relationship between z-scores and percentages?
April 5, 2012 by Betty

FACS Project Help!
I have this project for facs (family and comsumer science) and I really need help. UNIT: Personal Development Topic: The One & Only You! Lesson: The UNIQUE you! Review Question Due Date: 2/15/12 1. Identify - What are four (4) influences that give you a unique indentity? 2. ...
February 12, 2012 by Laruen

English
is there such a thing the "language" of percentages/surveys?
October 29, 2011 by Nicole

math
how do architects use fractions, decimals, and percentages???????????
December 19, 2011 by serina

math
If I have 10 pens and sold 8 which leave me with 8. What is the percentages
June 29, 2014 by crissy

Fundamentals of finance
"Estimate the weights (wi) for assets in the three portfolios given the following information about the portfolio holdings: " Price Number of securities Market value Portfolio weights Percentages to one decimal place a. Stock A $25 200 500 0.22522523 22.50% Stock B $53 100 ...
January 12, 2014 by Lori

Social Studies
What are the desirtification percentages in Africa, America, and the world?
May 21, 2008 by Logan

Math
Express the following as percentages: 15min out of 1hr
January 16, 2010 by vanessa marie

Math
Express the following as percentages: 15min out of 1hr
January 16, 2010 by vanessa marie

math
how do you use percentages, fractions, and decimals in zoology and wnba
December 16, 2011 by serina

math
how do you use fractions, decimals, and percentages in marinebiology and archeology ????? i need help!!!!!!
December 19, 2011 by serina

chemistry
calculate the percentages by mass of the component element in sodium trioxonitrate(v)
January 28, 2014 by sam

cost accounting
how to compute contribution per unit , in dollars and percentages
October 31, 2014 by jujuanyodh

Fundamentals of Finance
Price Number of securities Market value Portfolio weights Percentages to one decimal place Stock A $25 200 500 0.22522523 22.50% Stock B $53 100 5300 0.23873874 23.90% Stock C $119 100 11900 0.53603604 53.60% Total Value 22200 Price Number of securities Market value Portfolio...
January 12, 2014 by Chantell

math
mary learned 21 out of the 84 song in her piano book. what percentages of songs did she learn?
December 25, 2013 by Shohanur

finances
Where can I find the percentages of uncollectabes for PepsiCo? I have looked at the annual report atleast 20 times. Please Help. Thanks
December 18, 2009 by carol

chemistry
2 Na2 + @H20 -> 4NaOH + 02 Whtes 200. g of Na202 were reacted, 32.0g of 02 were collected The yield of 02 colleced how many percentages?
December 5, 2010 by dody

percentages/word problem
A wholesaler buys plastic lamps for $18 each and sells them for $30.60. What is the percent markup based on cost?
April 3, 2014 by Anthony

Algebra
The following table gives the winning percentages of the top five coaches in NFL history. What fraction of his games has each coach won?
March 19, 2008 by Linda Wortham

statstic
• Suppose you were preparing two way tables of percent ages for the following pairs of variables .how would you run the percentages?
August 17, 2012 by Anonymous

math
which of the following involves a process of "trial and error"? a. simplying fractions b. changing percentages to decimals c. metric conversions d. reading musical notes
October 7, 2008 by zaira

math
which of the following involves a process of "trial and error"? a. simplying fractions b. changing percentages to decimals c. metric conversions d. reading musical notes
October 7, 2008 by zaira

college percentages
One number exceeds another by 24. The sum of the numbers are 58. What are the numbers? please help!
October 22, 2012 by Gene

Math
I am trying to find the percentages of different numbers. How do i find them? for example 83%of 6
February 27, 2009 by Mark

ashworth
Commercial banks are required by law to hold reserves. These reserves are specified as percentages of a bank's
August 24, 2011 by Anonymous

Percentages
To find out your grade on a calculator? you just divide your score out of the number of questions, right?
March 30, 2011 by Allyson

percentages/word problem
Carousel Toys has Romper Buckaroos, wooden rocking horses for toddlers, on a 30% markdown sale for $72.09. What was the original price before they were marked down?
April 3, 2014 by Anthony

Chemistry
An unknown element Q has two known isotopes: 61Q and 62Q. If the average atomic mass is 61.4 amu, what are the relative percentages of the isotopes?
January 27, 2011 by Sam

Chemistry
An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 60.5 amu, what are the relative percentages of the isotopes?
February 13, 2011 by Ashley

Chemistry
An unknown element Q has two known isotopes: 60Q and 63Q. If the average atomic mass is 60.5 amu, what are the relative percentages of the isotopes?
February 13, 2011 by Ashley

Stats
Could someone please explain to me how I would read a z table. I have a z score of 2.2 and I need to know what the percentages is. Then if I'm given 8% how do I find the z score?
March 5, 2013 by Bonnie

MATH HELP
14000 ACRES OF LAND 12% IS PATIO 25% LIVING SPACE AND REST IS LAWN SQUARE FOOTAGE FOR EACH PORTION OF LAND USING PERCENTAGES
January 13, 2008 by Anonymous

MATH PERCENTAGES
HOW TO FIND THE PERCENT SAVED DIFFERENCE OF 310,951.00 ALLOWED 214,546.60 USED ----------- 96404.40 TOTAL SAVED
June 30, 2010 by ELTINYO VT

Math
The following table gives the winning percentages of the top five coaches in NFL history. What fraction of his games has each coach won? Don Shula 0.676 George Halas 0.672
January 14, 2009 by Jan

economics
where can I find current gross domestic product percentages to consumption, investment, defense and foreign trade for Germany & Switzerland for the past five years so I may analyze the info
February 21, 2011 by Eileen

Math
Barone’s Italian Restaurant advertises that its customers are much happier than the customers of its main competitors. The claim is based on the results of a customer satisfaction survey Which statement best describes why the graph is misleading? Barone’s rating looks better ...
October 11, 2012 by Lily

statistics
What percentages of students studied 30 hours or less? These hours ranged between 10-50 hours with a mean of 35 and a standard deviation of 5.
October 14, 2010 by kim

statistics
What percentages of students studied 30 hours or less? These hours ranged between 10-50 hours with a mean of 35 and a standard deviation of 5.
October 14, 2010 by kim

Math :)
I have to work with percentages and I don't know how to figure this word problem out. John saved 23.97$ by purchasing boots at "30% off sale". Find the origianl price of the boots.
November 9, 2008 by anjelika

percentages/word problem
A refrigerator costs a company $1,600 to manufacture. If it sells for $3,456, what is the percent markup based on cost? (Round to the nearest whole percent.)
April 3, 2014 by Anthony

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 !!!!!!
October 2, 2006 by ron

math
What are the percentages of 80 000, 118 000,105 000and 138 000.
June 24, 2008 by Bongani Creswel Pasile

chemistry
Mechanism for the reaction between 3-methyl-2-pentene and HCl. is this right? %img836.imageshack.us/i/questionk%.jpg/% * delete the percentages for the link to work, its the only way i could post a link
February 19, 2011 by ben

percentages
a tree is 1.5 m tall after a year it increase its height by 12% after another year it by a further 14% what is the percentage change
November 30, 2014 by anyomonous

AP Chem
Combustion of 6.38 mg of ethylene glycol gives 9.06 mg CO2 and 5.58 mg H20. The compound contains only C, H, and O. What are the mass percentages of the elements in ethylene glycol?
October 5, 2008 by Anna

chemistry
2 Na202 + 2H20 -> 4NaOH + 02 When 200.g of Na202 were reacted, 32.0 g of 02 were collected. The yield of 02 collected was (how many percentages)
December 7, 2010 by andy

Present Value of
The present value percentages are located on page 191 of Chapter 7, Table 7-2, in the 12% column.
May 16, 2011 by Anonymous

percentages
I am having a bit of trouble with a problem similar to this one can someone explain.... An employees salary is $27,197 after getting a 5% raise what was his salary before the raise?
May 22, 2008 by Please Help

Chemistry
a sample of natural gas is 85.2% methan, CH4, and 14.8% ethane, C2H6, by mass. What is the density of this mixture @ 18C and 748mmHg. so i know that i have to use this formula d=(PM)/(RT) but i dont know how to convert the percentages into g/mol (molecular weight) can someone ...
August 4, 2011 by Henry

math
In a problem on percentages there are three quantities that are involved. These are the base, the amount, and the rate percent. Express the relation between them in the form of an equation and explain with examples how to find each one of them given the other two quantities.
June 22, 2012 by leila

math
In a problem on percentages there are three quantities that are involved. These are the base, the amount, and the rate percent. Express the relation between them in the form of an equation and explain with examples how to find each one of them given the other two quantities
October 19, 2012 by cecelia

math
In a problem on percentages there are three quantities that are involved. These are the base, the amount, and the rate percent. Express the relation between them in the form of an equation and explain with examples how to find each one of them given the other two quantities
October 19, 2012 by cecelia

statistics
A fertilizer mixing machine is set to give 4 kg of nitrate for every quintal bag of fertilizers. Five 100 kg bags are examined. The percentages of nitrate are: 2, 6, 4, 3, 1. is there reason to believe that the machine is defective?
November 17, 2013 by nidhi

ms.sue
can you give me an easy way how to find percentages these ways: _____% of ___?_____ = ___?____ __?___ of ________=_________
April 10, 2012 by Celest

Excel Help
To display items in a chart based on percentages, use a __________ chart. box pie cluster column Is the answer a box chart?
July 12, 2009 by Bryan

Math/Nutrition
I need to figure out percentages of total calories that come from carbohydrates. I do not know the formula for this. There are 29 grams of carbohydrates and 116 calories from carbohydrates.
September 3, 2011 by Anonymous

Math
The following table gives the winning percentages of the top five coaches in NFL history,what fraction of his games has each coach won? Don Shula 0.676 George Halas 0.672 Tom Landry 0.606 Curly Lambeau 0.624 Paul Brown 0.667
December 16, 2008 by Shirley

Understanding percentages
Check my answer,, A store advertises a shirt at 25% off the original price of $44. What is the sale price? MY ANSWER: $33.00 What is the percentage increase in high school enrollment from 1,165 students to 1,320? MY ANSWER: 13.3%
April 12, 2012 by Anonymous

math
Three of every seven sales transactions at Dollar Discount are on credit cards. What percent of the transactions are NOT credit card sales? (Round percentages to the nearest tenth.)
May 16, 2013 by November

math
Three of every seven sales transactions at Dollar Discount are on credit cards. What percent of the transactions are NOT credit card sales? (Round percentages to the nearest tenth.)
November 13, 2013 by shawn

chemistry
the percentages of carbon,hydrogen and oxygen in vitamin c were determined by burning a sample weighing 2.00mg,the masses of carbondioxide and water formed are 3.00mg and 0.81mg respectively.from these information,find the percentage of each element and the emperical formular ...
October 28, 2009 by yankoua

Business Math
Three of every seven sales transactions at Dollar Discount are on credit cards. What percent of the transactions are NOT credit card sales? (Round percentages to the nearest tenth.)
August 15, 2013 by Tammy

percentages/word problem
Beacon Electronics advertised a portable TV set on sale for $272.49 after a 35% markdown from the original price. What was the original price of the TV set? (Round to the nearest cent.
April 3, 2014 by Anthony

Chemistry
Naturally occurring copper is a mixture of two isotopes. One of these has 34 neutrons the other has 36. If the relative atomic mass of copper is 63.55 amu calculate the natural abundances (percentages ) of the two isotopes.
October 5, 2014 by Rose

science
Two machines A and B produce respectively 60% and 40% of the total number of items of a factory. The percentages of defective output for A and B are 3% and 2% respectively. Suppose an item is selected at random, and is found to be defective. The probability that the item was ...
July 23, 2012 by chinthaka

Chemistry
I've calculated my % yield for 2 experiments, the second one using the final product of the first one. How would I calculate the "total % yield" like my T.A. wants? Would I just add both percentages up and divide by 200?
July 17, 2013 by Jackson

science
A segment of double-stranded DNA contains 31% Adenine (A) bases. a. What are the percentages of the other three bases in the DNA segment? (Count bases on both strands.) C: T: G:
September 28, 2011 by Ellen

Math (percentages)
I transferred $1.50 to a friend on paypal. The friend was charged a $.34 cent fee and received only $1.16. How much of a percentage was the friend charged to receive the transfer? I have tried doing: (100 * .34) / 1.50 = 22.66 and (1.16/1.50) * 100 = 77.33
April 7, 2009 by Ty

Chemistry
For a system where: NH2OH + CH3NH3+ --> CH3NH2 + NH3OH+ 95% 95% 5% 5% State of equilibrium in the system is described by the percentages given above.Which of the species above is the strongest acid in the system? My answer is CH3NH3+, is it correct?
March 28, 2012 by Meenaakshi

science
percentages a servings= of cereal jas 22 calories from fat. twenty percent of the cereal's calories from fat. how many total calories are in a serving of this cereals?
September 12, 2007 by kim

math
Statistics. The following table gives the winning percentages of the top five coaches in NFL history. What fraction of his games has each coach won? Coach Percentage Don Shula 0.676 = George Halas 0.672 = Tom Landry 0.606 = Curly Lambeau 0.624 = Paul Brown 0.667 =
June 25, 2008 by dawn

Chemistry
Determine the molar mass of the unknown acid.? A 0.167-g sample of an unknown acid requires 27.8 mL of 0.100 M NaOH to titrate to the equivalence point. Elemental analysis of the acid gives the following percentages by mass: 40.00% C; 6.71% H; 53.29% O.
December 5, 2009 by Kyle

Chemistry
Determine the molar mass of the unknown acid.? A 0.167-g sample of an unknown acid requires 27.8 mL of 0.100 M NaOH to titrate to the equivalence point. Elemental analysis of the acid gives the following percentages by mass: 40.00% C; 6.71% H; 53.29% O.
December 6, 2009 by Kyle

Chemistry
I am supposed to find the percent abundancies of two isotopes. I am given the masses of both isotopes, along with the atomic mass. (This is a fictional element with only those two isotopes.) I am not given percentages for either isotope... how do I solve this?
September 8, 2008 by Liz

percentages/word problem
The Quick Plumbing Supply sells a set of faucets for $79.75. If a 45% markup based on cost was used, what was the cost of the faucets to Quick Plumbing? (Round to the nearest cent.)
April 3, 2014 by Anthony

Math
How do you figure percentages? Question: If a factory worker is supposed to produce 1000 units an hour but only produces 568 units, what percentage did the worker produce? How do you figure this?
September 29, 2007 by Tim

percentages
Say an advertiser makes $0.10 every time someone clicks on their ad. Only 20% of people who visit the site click on their ad. How many people need to visit the site for the advertiser to make $20?
July 31, 2014 by Anonymous

Math
Three of every seven sales transactions at Dollar Discount are on credit cards. What percent of the transactions are NOT credit card sales? (Round percentages to the nearest tenth.) Answer: 57.1% Is this answer correct?
May 13, 2013 by Sue

Chemistry
The isotopic abundance of naturally occurring hydrogen is as follows: 1H 99.985 atom % 2H 0.015 atom% When H2 gas is formed from naturally occurring hydrogen, what percentages of the molecules have molecular weights of approximately 2, 3 and 4?
October 1, 2013 by Jane

percentages/word problem
The Sweet Candy Shop buys 600 pounds of chocolate covered strawberries at $5.59 per pound. If a 10% spoilage rate is anticipated, at what price per pound should the strawberries be sold in order to achieve a 60% markup based on cost?
April 3, 2014 by Anthony

Math percentages
Is this right?? 10 + 7 = 17/100 = 41.2 % 100 + 92 = 192/100 = 1.92 % 15 + 13 = 28/100 = 1.25 % 28 + 22 = 50/100 = .5%
October 18, 2013 by Toby

Economics
What is kenyas factor of production for their land and labor? Which means what percentage do they use their land for what. For te labor it means what labor occurs their, whether it be physical or mental labor. I need details as well as percentages for both. I would really ...
November 11, 2012 by Anonymous

Chemistry
A comparison of density values obtained by X-ray diffraction reveals that the percentages of vacant sites in aluminum (Al) are 0.0700% at 923 K and 0.0090% at 757 K. Given this data, determine the number of vacant sites per cm3 at 550 K. Express your answer as vacancies/cm3.
May 30, 2013 by Jma

Chemistry
A comparison of density values obtained by X-ray diffraction reveals that the percentages of vacant sites in aluminum (Al) are 0.0700% at 923 K and 0.0090% at 757 K. Given this data, determine the number of vacant sites per cm3 at 550 K. Express your answer as vacancies/cm3.
May 30, 2013 by Jma

chemistry
A comparison of density values obtained by X-ray diffraction reveals that the percentages of vacant sites in aluminum (Al) are 0.0700% at 923 K and 0.0090% at 757 K. Given this data, determine the number of vacant sites per cm3 at 550 K. Express your answer as vacancies/cm3.
June 1, 2013 by Anonymous

Maths
The earth is approximately a sphere of average diameter 12740km. The smallest of the planets is Mercury, also spherical, with average diameter 4840km. Determine what percentages (to the nearest hundredth) the volume and surface area of Mercury are of those of the Earth.
January 12, 2012 by Jiskhaa

Essay
I need to do an essay but need to know if it is usually blank percent rainy or blank persent sunny usually in Port Saint Lucie? Can you help or give me a website that gives me percentages on how it usually is.
January 3, 2012 by Rob

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