Number of results: 285

**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*

**math**

The employment percentages for men versus women in a computer company last year were 80% and 40%, respectively. At the beginning of this year, they had 150 men and 60 women currently hired. The owner of the company wishes to check their hiring practices and ensure that the ...

*January 23, 2015 by statistics help*

**statistics**

The employment percentages for men versus women in a computer company last year were 80% and 40%, respectively. At the beginning of this year, they had 150 men and 60 women currently hired. The owner of the company wishes to check their hiring practices and ensure that the ...

*January 23, 2015 by statistics help*

**statistics help please**

The employment percentages for men versus women in a computer company last year were 80% and 40%, respectively. At the beginning of this year, they had 150 men and 60 women currently hired. The owner of the company wishes to check their hiring practices and ensure that the ...

*January 23, 2015 by steph*

**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...

*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*

**percentages**

140% of what is 35? How do I solve it?

*January 12, 2016 by Maddie*

**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*

**Math**

I'm stuck on this problem about percentages, I don't know what to do 8 9/25 as a percentage

*January 13, 2015 by Zero*

**biology**

how do you calculate dna base pair percentages

*March 12, 2015 by Zoi*

**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*

**ml 42 , lo 52, geography 33, sepedi 52,english 42,tourism 37.**

what careere i can do acoding tn my percentages

*September 16, 2015 by minah*

**all**

For highschool what percentages correspond with grade letters. like is a 91% an A, A-, or A+

*January 9, 2017 by Anonymous*

**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**

The plan for a new housing development call for the construction of a large number of residential homes.A marketing expert tells the owner that because of the poor location of development,20 of the houses which are sold will be sold at a loss.A financial consultant asserts 10...

*April 2, 2016 by farahan*

**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*

**Math-percentages**

The ratio of blueberries to blackberries in a fruit smoothie is 4:12. What percent of the drink is blueberry?

*February 18, 2015 by G*

**proportion and percentages problem**

in a town of 3375 inhabitants 8/9 per cent are ill with influenza. how many people is that?

*January 31, 2017 by catherine*

**math (Pls help me out)**

The plan for a new housing development call for the construction of a large number of residential homes.A marketing expert tells the owner that because of the poor location of development,20 of the houses which are sold will be sold at a loss.A financial consultant asserts 10...

*April 2, 2016 by Ras*

**proportion and percentages problem**

what must be added to 311 to make it equal to 87 1/2 per cent of 500

*January 31, 2017 by everleigh*

**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*

**cultural diversity**

Which is a goal of multicultural education for students who are affected by racism? A. To develop a thick skin B. To develop a positive self-concept C. To develop self-control D. To develop perseverance 2. In general, changes in self-reporting on US Census reports reveal what ...

*October 15, 2015 by Anonymous*

**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**

A man sold two cycles for Rs.3000 each gaining 20% on the other.Find his gain or loss percentages on the whole transaction

*January 23, 2017 by Jaswanth *

**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*

**Math **

A man sold two cycles for RS.3000 each gaining 20% one and losing 20%on the other.Find his gain or loss percentages on the whole transaction.

*January 23, 2017 by Jaswanth *

**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*

**algebra**

a math exam is marked out of 120. draw a conversion graph to change the following marks to percentages. a_80 b_110 c_54 d_72

*June 6, 2016 by emily*

**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 ...

*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*

**proportion and percentages problems**

in 12 weeks a boy`s wages came to £396.00. How much does he earn in a 1 week b 9 weeks c 25 weeks thank you:D

*January 31, 2017 by everleigh*

**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*

**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 don't know how to convert the percentages into g/mol (molecular weight) can someone...

*August 4, 2011 by Henry*

**Allanridge Seconday School**

I'm doing History , Life science, Geography and maths literacy......I want to do carreers that relate to helping people and assisting them, I'm more focused on doing therapy when I pass grade 12, So how many percentages is it garanteed that I can get a job after Matric

*November 14, 2015 by Gugu Hope Mbolambi*

**proportion and percentages problems**

four dozen letters weigh 1kg 200g find the weight of a 1 letter b 10 letters c 38 letters if each weighs the same amount. please reply asap thank you:D

*January 31, 2017 by everleigh*

**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*

**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*

**percentages**

You have shown vacant apartments to 16 potential renters this week and you have taken 4 applications for these vacancies from those you have toured the property. What is your leasing closing ratio in percentage? I came up with 4/16= 25%. Is this right? Thank you!

*January 1, 2017 by esther*

**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*