Thursday

August 21, 2014

August 21, 2014

Number of results: 852

**math**

I am taking a job related test consisting of several math sections. I have been out of school for quite some time and am looking to find the easiest place to get tips and tutorials to solve these questions. The topics are as follows: multiplication and division of fractions ...
*September 3, 2011 by jay*

**math**

i am taking a job related test with many math sections. I am long out of school and need some tutorials as well as practice questions and answers. The topics are as follows: -multiplication and division of fractions and mixed numbers -calculating percentages -calculating ...
*September 3, 2011 by jay*

**Accounting**

I need to do a report and compare ratios for a target company against industry averages. I have calculated the averages for my company, but where do I get information on industry averages? For example, what is the industry average receivable turnover ratio in the enterprise ...
*August 8, 2007 by AccountingStudent*

**Calculating Averages?**

A certain element has four isotopes. 5.85% of has a mass of 53.93961 . 91.8% of has a mass of 55.934939 . 2.12% of has a mass of 56.93539 . 0.282% of has a mass of 57.93328 . What is the average atomic mass of element ? Express your answer numerically to three significant ...
*August 29, 2011 by Alison*

**maths**

Two hikers begin walking towards each other from an initial distance of 20 km apart. Hiker P averages 4 km/h while hiker Q averages 6 km/h. When and where do they meet?
*October 13, 2010 by Jannie*

**Algebra 2**

I need help setting up an equation for the following word problem: Two buses leave Dallas at the same time and travelin opposite directions. One bus averages 56 mi/h and the other bus averages 52 mi/h. When will they be 363 mi apart?
*September 2, 2011 by Mary *

**math**

the ratio of the distances a 7-iron and a 5- iron will dirve a golf ball is 5 to 6. if a golfer averages 153 yards with a 7- iron, how far should he averages with a 5-iron?
*September 26, 2010 by Anonymous*

**financial management**

show me how to work a forecast personnel expenses & total revenues using weighted moving averages & moving averages using 3 fiscal years
*March 28, 2012 by june*

**HSM260**

Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted moving averages, exponential smoothing, and time series regression. For moving averages and weighted moving averages, use only the data for the past three fiscal years. For weighted moving ...
*July 15, 2011 by Lisa*

**Live Help**

This may not be homework...but how do I go about using the live help for this site? At this point, live help is not available. Computer glitches, you know. So keep posting your questions on the message boards. Especially in the afternoons and evenings, there are usually ...
*September 19, 2006 by Tezuka*

**statistics**

suppose that grade point averages of undergraduate students at one university have a bell shaped distribution with a mean of 2.55 and a standard deviation of 0.43. Using the empirical rule, what percentage of students have grade point averages that are between 1.26 and 3.84
*September 23, 2013 by roy*

**Algebra**

Two trains start from the same place at the same time. They travel i~ opposite directions. One averages 60 miles per hour and the other averages 80 miles per hour. After how long will they be 420 miles apart?
*April 2, 2012 by LIbby*

**Math**

Could anyone give me any idea on how t o answer this? Thanks 1.A classmate tells you, “Finding the coordinates of a midpoint is easy. You just find the averages.” Is there any truth to it? Explain what you think your classmate means. - I think what he meant by saying "finding ...
*September 1, 2010 by Shadow*

**Accounting**

The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 $5,250,000 20X2 $5,500,000 20X3 $6,000,000 20X4 $6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted moving ...
*May 21, 2009 by Confused*

**college**

The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 $5,250,000 20X2 $5,500,000 20X3 $6,000,000 20X4 $6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted moving ...
*August 20, 2010 by Shereka Sanders*

**college**

Exercise 9.1 The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 $5,250,000 20X2 $5,500,000 20X3 $6,000,000 20X4 $6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted...
*October 26, 2008 by Anonymous*

**hhs 265 math accounting**

The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 $5,250,000 20X2 $5,500,000 20X3 $6,000,000 20X4 $6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted moving ...
*June 8, 2009 by kristina*

**hsm260**

The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 $5,250,000 20X2 $5,500,000 20X3 $6,000,000 20X4 $6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted moving ...
*October 13, 2009 by hopeless student*

**Math-Trigonometry**

12) Two jeeps in the desert leave their starting points at noon. The first travels a course of 345º and averages 23 mph. The second travels a course of 45º and averages 20 mph. How far apart are the two jeeps at 10 PM? What is the bearing from the first jeep to the second at ...
*May 28, 2013 by Gianna *

**Science**

What is the equation for calculating final temperature when equal masses of water are mixed? What is the equation for calculating how much heat energy calories transferred to or from a mass of water?
*February 14, 2008 by Austin*

**Math**

A bus leaves a station at 8:00 am and averages 30 mi/h. Another bus leaves the same station following the same route two hours after the first and averages 50 mi/h. When will the second bus catch up with the first bus?
*February 27, 2014 by Anonymous*

**accounting**

The following data represent total revenues (from all sources) for the Palmdale Human Service Agency for the past four fiscal years: 20X1 $15,000,000 20X2 $14,250,000 20X3 $14,000,000 20X4 $13,500,000 Forecast total revenues for fiscal year 20X5 using moving averages, weighted...
*April 25, 2010 by Anonymous*

**Math**

Vehicle A averages 14 miles per gallon of gasoline, and Vehicle B averages 36 miles per gallon of gasoline. At these rates, how many more gallons of gasoline does Vehicle A need than Vehicle B to make a 1,008-mile trip?
*August 26, 2010 by Kelly*

**Chemistry**

Hey guys can someone help me with calculating masses of reactants and products ..... And also calculating limiting and excess reagents , I can't remember all the steps so I wanna know is there an easy way to remember it, I allways get confused and unit test is coming soon so I...
*November 9, 2010 by Saria*

**Chemistry HELP**

Hey guys can someone help me with calculating masses of reactants and products ..... And also calculating limiting and excess reagents , I can't remember all the steps so I wanna know is there an easy way to remember it, I allways get confused and unit test is coming soon so I...
*November 10, 2010 by Saria*

**math**

two airplanes left the same airport traveling in opposite direction. if one airplane averages 400 miles per hour and the other airplane averages 250 miles per hour, in how many hours will the distance between the two planes be 1625 miles? Does it help to point out that if they...
*April 28, 2007 by anonymous*

**English **

Which of the following sentences is punctuated correctly? Most of Alaska averages a population density, of under, 3 people per square, mile Most of Alaska averages a population density of under 3 people per square mile. Most of Alaska, averages a population density, of under ...
*February 4, 2013 by Sumare*

**algebra**

Sean and Barry are practicing in a 30-mile bike race. Sean averages 20 miles per hour and Barry averages 15 miles per hour. Howm many miles will Barry be from the finish line when Sean finishes the race?
*April 22, 2008 by Astrid*

**algebra**

It takes a passenger train 2 hours less time than it takes a freight train to make the trip from Central City to Clear Creek. The passenger train averages 96mi/hr while the freight train averages 64mi/hr. How far is it from Central City to Clear Creek?
*November 11, 2012 by Samantha*

**Statistics**

The American Veterinary Association claims that the annual cost of medical care for dogs averages $100, with a standard deviation of $30, and for cats averages $120, with a standard deviation of $35. A)Whats the expected difference in the cost of medical care for dogs and cats...
*March 1, 2010 by Ashley *

**Determining Probabilities**

When would you expect the experimental probability of an event to be closest to its theoretical probability? When the results of 10 trials were used in calculating the theoretical probability When the results of 10 trials were used in calculating the experimental probability ...
*February 18, 2014 by Jamar*

**Human Resources**

9.1 The following data represent total personnel expenses for the Palmdale Human Service Agency for past four fiscal years: 20X1 $5,250,000 20X2 $5,500,000 20X3 $6,000,000 20X4 $6,750,000 Forecast personnel expenses for fiscal year 20X5 using moving averages, weighted moving ...
*December 1, 2012 by Jessie*

**Honors Chemistry**

I have two questions on my review study guide that go like this: 1) What is the equation for calculating the energy change that occurs when a substance changes state? 2) What is the equation for calculating the energy change that occurs when a substance increases in ...
*April 27, 2010 by Emily*

**Chemistry Graphing**

So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually calculating the density. I originally thought that manually calculating was better, but my teacher told me that I would have to back that up with a lot of...
*September 22, 2013 by Anonymous*

**General Chem**

So for Chem we have to answer a question asking why graphing is a more accurate method for measuring density than manually calculating the density. I originally thought that manually calculating was better, but my teacher told me that I would have to back that up with a lot of...
*September 22, 2013 by Anonymous*

**8th Grade Algebra**

I don't know how to do these types of problems whatsoever. 1) It takes a small jet plane 4 hours less time than it takes a propeller-driven plane to travel from Glen Rock to Oakville. The jet plane averages 637 km/h while the propeller plane averages 273 km/h. How far is it ...
*March 7, 2009 by Gabrielle*

**Averages**

Find the average. 39, 47, 52 I got an answer of 46. Is this correct?
*January 31, 2013 by Chrissy*

**Math**

Using the index of a series as the domain and the value of the series as the range, is a series a function? Include the following in your answer: Which one of the basic functions (linear, quadratic, rational, or exponential) is related to the arithmetic series? Which one of ...
*October 28, 2006 by Vianna*

**techhelp ASAP**

In Calc, mathematical equations are called __________. Averages?
*October 26, 2013 by bigurl1.4*

**macroeconomics**

Show that the expenditure approach and the income approach add up to the same figure: consumption $5000 investment $1000 depreciation $600 Profits $900 Exports $500 Compensation of Employees $5,300 Government purchases $1000 Direct Taxes $800 Saving $1100 Imports $700 How do ...
*April 4, 2008 by Tonya*

**math**

why are batting averages rounded to the nearest thousandth instead of tenth or hundreth?
*September 4, 2008 by martha*

**math**

Twenty-seven students averages 70 on their midterm. Could 21 of them have scored about 90?
*November 11, 2009 by Jerry*

**averages**

if a<b<c<d<e<110 and the average (arithmetic mean) of a,b,c,d,e is 100 what is the lease possible value of a
*August 7, 2012 by Anonymous*

**Math**

can you help i dnt know what to do so could you tell me how to solve it 1. every weekend, Phil drives from his home to his favorite amusement park, a distance of 60 miles. a. If he averages 40 mph for the first half of the trip, what must his average speed for the second half ...
*December 30, 2012 by howard*

**math**

riding her bicycle, terry averages 9.5 miles per hour. how far could she go in 2 2/3 hours?
*January 23, 2014 by Matt*

**math**

hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for the question my ...
*November 21, 2010 by ash*

**Statistics**

hi i need help calculating the standard error using the central limit theorem. *a population of scores contains exactly 5 scores : 2, 3, 6, 8, 11, there are 5x5=25 samples of the two scores (n=2)* i already calculated the standard deviation and mean. for the question my ...
*November 21, 2010 by ash*

**biology!!**

why do Mountain dwellers have higher averages of hemoglobin than people living in coastal areas?
*December 2, 2011 by lenny*

**maths**

A car travels 140 km during the journey it averages 35 km\h.how long will it take to travell this distance
*February 13, 2013 by justin matthew holland*

**college**

The clarke family went sailing on a lske . thier boat averages 6 kilometers per hour
*November 4, 2009 by Christine*

**math10**

Don works 40 hours a week at an hourly rate of $3.70. He averages $175 weekly in tips. What is his annual income?
*February 5, 2010 by ange*

**Maths**

suppose function f,g,h and l are defined as follow:f(x)=4xsquared-5x+1,g(x)=-1/2x-3,h(x)=squared root(2-x)squared+1/2x,l(x)=square root2-x-3. .write down Df and solve inequality f(x)<0 .write down Dg and solve 4g(x)=8 .write down Dh,Dg+h and solve the (g+h)(x)=0 .write down...
*June 6, 2011 by Joel*

**Weighted Averages**

I am assuming this is a 1,000g mixture. 42% H3BO3 = 420g H3BO3/(420g H3BO3+580g H2O)= 0.42 by mass. 420g H3BO3/(420g H3BO3+580g H2O+Xg H2O)= 0.06 Solve for X Check my thinking. Check my work. There is an alternative approach. You want to dilute it by a factor of seven. (42 to ...
*October 29, 2006 by DrBob222*

**Grammar (Ms. Sue)**

Indentify the tense of the underlined verb in each sentence below. 1). Statistics IS a branch of mathematics. 2). It DEALS with the study of numerical data. 3). Many people HAVE STUDIED statistics for work or fun. 4). Batting averages and scoring averages REPRESENT statistics...
*March 27, 2013 by Anonymous*

**Calculating Chi Squared**

I did a biology experiment and I have to use the chi^2 method to calculate statistical significance. I got data at different time points and I just want to make sure what I'm calculating this right. The data I got for one time point are 6 and 23 I know the equation for chi^2 ...
*October 28, 2011 by Catherine*

**averages**

if you had the nos 3,19,20,37,48 out of 50 on another draw what. Would the results of another draw be
*June 11, 2011 by tanya*

**physics**

7)In calculating the force of gravity between two objects, if the mass of one object increased by 4 and the other by 2, how many times would the force of gravity increase? I don't really understand but I got 6 times 8)In calculating the force of gravity between two objects, if...
*April 1, 2008 by Jon*

**Coriolis effect**

Does anyone wish to discuss the Coriolis effect/force? Mike http://ww2010.atmos.uiuc.edu/(Gh)/guides/mtr/fw/crls.rxml The thing I find teasing about the coriolis effect is that the faster the wind or an object is travelling the greater the deflection. Take the N Hemisphere, ...
*August 21, 2006 by mike*

**math**

I need help calculating: 67.95% * 15.60% + 27.98% * 6.65% (1-38%) + 4.08% + 6%
*November 30, 2013 by Serenity1*

**math**

Given the numbers 10 and 40 their averages are obtained by different procedures 16, 20 and 25 respectively. Say which is the arithmetic mean and what is the geometric mean
*June 10, 2014 by Victor*

**science**

what is the formula for calculating volume?
*September 11, 2007 by Anthony*

**science**

what is the formula for calculating density?
*September 26, 2007 by jessicaB*

**Science**

What is the formula for calculating density?
*November 5, 2010 by Isla*

**math**

If a movie ticket now averages $6.75 and has been increasing an average of 15% per year compute the cost: in 8 years 8 years ago
*February 24, 2010 by kali*

**Business Math**

Rainfall for May in Fiji averages 9" according to World Travel Guide. This year it rained 5% less. How many inches did it rain this year?
*February 19, 2014 by Mandy*

**algebra**

A student walks and jogs to college each day.She averages 5km/h walking and 9km/h jogging.Tha distance is 8km and she makes the trip in 1 hour. How far does she jog?
*November 23, 2009 by kathy*

**math**

Tim deposits $10 every month into a retirement account which averages 18% interest compounded monthly. How much will be in this account after 45 years?
*December 3, 2013 by dreamkatcher76*

**math**

Tim deposits $10 every month into a retirement account which averages 18% interest compounded monthly. How much will be in this account after 45 years?
*December 4, 2013 by dreamkatcher76*

**chemistry**

you are given samples of two pure compounds, one of which is a gas and one of which is a liquid at room temperature. by elemental analysis, both compounds are found to have the following composition (by mass): 52% C 13% H 35% O (a) Determine the empirical formula of both ...
*February 10, 2010 by Lucy J.*

**STATS**

Suppose a researcher observed from the analyses carried out the F-values 4.41 and 1.11. Which of the two cases are likely averages not come from the same population (ie, differences not statistically significant); a) none of the above b) 1.11 c) 4.41
*October 4, 2013 by MArtina*

**physical science**

what is the formula for calculating kinetic energy?
*May 15, 2008 by leann*

**11th grade physics**

calculating the total distance ???
*October 22, 2010 by Anonymous*

**math**

what is the formula for calculating a triangular prism's volume?
*November 11, 2010 by raluca*

**Chemistry**

Why is the emperical formtlar of C3H6O2 multiplied by 2 when calculating?
*January 15, 2013 by Aliy*

**Math**

how can you go about in calculating vertical and horizontal asymptotes?
*April 25, 2013 by Vinny*

**college algebra**

calculating present value p=35,000(1.10)^-12
*May 23, 2013 by topaz*

**Maths literacy**

Can i have formula of calculating area
*August 11, 2014 by Success*

**math**

Maura is a self-employed artist. She averages a monthly income of $2,980. If the FICA rate is 15.02%, how much FICA tax must she pay each year?
*January 5, 2010 by sabina*

**calculus**

Give a reasonable sketch, on the axes provided, of the graph of the function x/(x^2-1)^1/2 showing all characteristics. Use the following pieces to justify your sketch. a) Domain ? b) coordinates x and y intercepts ? c) Symmetry ? is the function odd, even, or neither ? d) ...
*July 5, 2010 by Anonymous*

**Physics w/ Calc**

A baseball approaches home plate at a speed of 43.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 54.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat ...
*October 16, 2011 by Lauren*

**chem**

what is the equation for calculating ÄE? here is my info- q=-39kJ, w=88kJ
*November 20, 2007 by mel*

**health**

What is the correct denominator for calculating the cesarean section rate?
*October 30, 2008 by Anonymous*

**health**

What the correct denominator for calculating the cesarean section rate?
*July 17, 2010 by Sashy*

**qnt/351**

Calculating the correlation between two variables
*August 4, 2012 by fp*

**Weighted Average**

We had to do weighted averages in evolution and I'm confused. Please help! We were given allele frequencies which we had to determine heterozygosity from with the equation 2p(1-p); p being allele freq. We had to do this for three different regions. The first region to get the ...
*November 25, 2011 by Chelsea*

**Math - Averages**

Set X is defined as {6,12, -4, 0, 7, 9, -1, 2, 5}. If r is the range of set X, and m is the median of the set X, what is the value of r - m ?
*September 10, 2013 by Venus*

**chemistry**

I am in the process of calculating the hydrogen ion concentration in a .25litre solution of sulfuric acid,.21g of sulfuric acid was disolved in water to make the solution. I have calculated the molarity of the acid to be 2.14x10^-3 mol per litre. I also need help in ...
*March 5, 2007 by ruby*

**Physics**

In calculating the force of gravity between two objects, if the mass of one objects increased by 4 and the other by 2, how many times would the force of gravity increase? Ok well Im horrible at physics but the way I understood it was that you would take 4 times 2 then divide ...
*May 4, 2008 by Lynn*

**Math**

what formula do you use for calculating the volume of a box? I think it is V=lwh
*September 23, 2008 by Diane*

**economics**

If a farmer purchases a new tractor,is it included in the calculating of the GDP?
*February 26, 2012 by lerato*

**Math**

What are three distinct numeric approaches for calculating the product 24x32?
*April 25, 2013 by Anna*

**mathh**

How do you know 1 and 2/3 divided by 3 and 1/2 has to be less than 1/2, without calculating the quotient? Please explain :)
*March 21, 2014 by Annette*

**Physics**

The burning of gas in a car produces about 12,600 kJ/gallon of energy. If a car averages 35 km/gal when driving 90 km/hr, which requires 18.5 kW, what is the efficiency of the engine under those conditions? ...please help?
*March 26, 2008 by Lindsay*

**Chemistry**

Equivalence point Volume of 14mL and a conductivity of 44. Sulfuric Acid=0.020M and 13mL Barium Hydroxide=100mL -Determining the volume of Sulfuric acid added to the equivalence point. -Calculating moles of sulfuric acid added at the equivalence point. -Calculating the moles ...
*January 5, 2011 by Anonymous*

**Algebra: 8th Grade; Equation Check**

1) A private airplane leaves an airport and flies due south at 192 km/h. Two hours later a jet leaves at the same airport and flies due south at 960 km/h. When will the jet overtake the plane? t = time Equation: 192(t+3) = 960 2)An airplane flew for 4 hours with a 20-km/h tail...
*March 7, 2009 by Meaghan*

**Physical science**

Calculating the total energy required to break NH3 bond?
*January 23, 2011 by Bucie*

**Math**

If a car averages about 22 1/2 miles per gallon , and the capacity of the tank is 16 1/4 gallons, how many miles would be expected on a tank of gas?
*February 9, 2008 by Mike*

**Math**

If a car averages about 22 1/2 miles per gallon , and the capacity of the tank is 16 1/4 gallons, how many miles would be expected on a tank of gas?
*February 11, 2008 by Mike*

**Math**

For a 5 man baseball team how would I find the average? Would it be total hits divided by total at bats or add up 5 averages and divide by 5?
*April 10, 2014 by Sami*

**MTH 156**

The ratio of the distances a 7-iron and a 5-iron will drive a golf ball is 5 to 6. If a golfer averages 153 yards with a 7-iron, how far should he average with a 5-iron
*November 26, 2010 by Cluless*

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