Calculating Averages?

1,094 results

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 ...

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 ...

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 ...

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 ...

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?

math

two airplanes travelling in opposite directions , leave an airport at the same time. if one plane averages 480 ml/hr and the other averages 520 ml/hr, how long will it take before they are 2000 ml apart?

Math

In the midsize Station wagon category, the Mercedes Benz E63 AMG S 4matix averages 15.63 L/100km while the Toyota Prius v averages 6.71 L/100km. Convert these fuel economies to miles per gallon.

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?

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?

financial management

show me how to work a forecast personnel expenses & total revenues using weighted moving averages & moving averages using 3 fiscal years

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 ...

help with math!

Morwen bikes around his neighborhood for an hour. He averages 15 mph for the first 40 minutes, but then he tires and averages 10 mph for the last 20 minutes. What is is his average speed for the whole hour?

MATH

Morwen bikes around his neighborhood for an hour. He averages 15 mph for the first 40 minutes, but then he tires and averages 10 mph for the last 20 minutes. What is is his average speed for the whole hour?

Math

In the two-seater category of automobiles, the Bugatti Veyron averages 10 miles per gallon, while the Smart Fortwo Electric Drive Convertible averages 107 miles per gallon. Covert these fuel efficiencies to L/100 km.

help math!

Elisabeti bikes from home to the grocery store and back to pick up in- gredients. On the way to the store, she averages 15 mph. Encumbered by groceries, she averages 10 mph on the way back. What is her average speed for the whole hour?

MATH 2

Elisabeti bikes from home to the grocery store and back to pick up in- gredients. On the way to the store, she averages 15 mph. Encumbered by groceries, she averages 10 mph on the way back. What is her average speed for the whole hour?

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 ...

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

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?

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 "...

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 ...

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 ...

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...

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?

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 ...

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 ...

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...

College Algebra

A train leaves New York for Boston, 200 miles away, at 3:00 P.M. and averages 70 mph. Another train leaves Boston for New York on an adjacent set of tracks at 4:00 P.M. and averages 55 mph. At what time will the trains meet? (Round to the nearest minute.)

Math

a woman drives to work and averages 70 kilometers per hour for the trip. On her trip from work to home she averages 100 kilometers per hour. What is her average speed for the round trip?

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...

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...

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?

algebra

A relay team is going to participate in a 150-mile bicycle race. One rider averages 12 miles per hour. The second averages 16 miles per hour. Write a function modeling their trip, where x = the hours ridden by the first bicyclist and y = the hours ridden by the second bicyclist.

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...

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?

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...

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 3...

stats

Suppose that the average amount paid by customers at a grocery store is $80. The standard deviation of the amounts paid is $24. The distribution of the amounts paid is skewed. (Notice that the individuals here are customers and the variable is the amount paid per customer.) ...

math

Ben is to invest $13 000 for 3 years at 8% p.a with interest paid annually. Find the amount of interest earned by calculating the simple interest for each year separately. I know how to solve this using the normal method, but i don't know how to do it by calculating the ...

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?

math;);)

During one term in Math 310, Min Lee took seven tests, the last of which carried twice the weight of each of the others when averages were computed. Min’s test-score vector for the term was [84,78,91,80,72,88,83]. Show that Min’s final average, a weighted average, can be ...

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 ...

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?

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...

6th Grade Geometry Help and A.S.A.P!!

I forgot so, when calculating a circle's circumference, and area do you measure the circle in inches or centimeters? Also, calculating a rectangular prism's surface area and volume do you use inches or centimeters to measure it? Thanks. Please answer as soon as possible very ...

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 ...

Algebra

A train leaves the station at 8 a.m. and averages 40 miles per hour another train leaves the same station one hour later and averages 50 miles per hour traveling in the same direction on a parallel track at what time will the second train catch up with the first train how many...

Algebra

A train leaves the station at 8 a.m. and averages 40 miles per hour another train leaves the same station one hour later and averages 50 miles per hour traveling in the same direction on a parallel track at what time will the second train catch up with the first train how many...

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 ...

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...

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...

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 ...

Averages

Find the average. 39, 47, 52 I got an answer of 46. Is this correct?

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 ...

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 ...

techhelp ASAP

In Calc, mathematical equations are called __________. Averages?

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 ...

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 ...

math

why are batting averages rounded to the nearest thousandth instead of tenth or hundreth?

math

Twenty-seven students averages 70 on their midterm. Could 21 of them have scored about 90?

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

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 ...

math

riding her bicycle, terry averages 9.5 miles per hour. how far could she go in 2 2/3 hours?

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...

biology!!

why do Mountain dwellers have higher averages of hemoglobin than people living in coastal areas?

maths

A car travels 140 km during the journey it averages 35 km\h.how long will it take to travell this distance

college

The clarke family went sailing on a lske . thier boat averages 6 kilometers per hour

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?

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 ...

PACE INter Science Colldege

what is average rate in cm3/s of gasoline to the engine of a car travelling at 100km/hr if it averages 10km/l?

Astronomy/Moon

I understand a Tidal Cycle (new moon to new moon) averages about 29 Days 12 Hours 44 Minutes and 2.8 Seconds. It would therefore be reasonable to assume that the average time from Spring Tide to Neap Tide and vice versa will be 25% of the above (about 7 days 9 hours. As all ...

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 ...

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...

math

I need help calculating: 67.95% * 15.60% + 27.98% * 6.65% (1-38%) + 4.08% + 6%

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...

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, ...

science

what is the formula for calculating volume?

science

what is the formula for calculating density?

Science

What is the formula for calculating density?

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

Maths

Kim averages 3km/l in 1 hour in her wheelchair. How many kilometres can her wheelchair travel in 20 minutes?

Science

What is the formula of calculating linear expansion

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

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 ...

physical science

what is the formula for calculating kinetic energy?

11th grade physics

calculating the total distance ???

math

what is the formula for calculating a triangular prism's volume?

Chemistry

Why is the emperical formtlar of C3H6O2 multiplied by 2 when calculating?

Math

how can you go about in calculating vertical and horizontal asymptotes?

college algebra

calculating present value p=35,000(1.10)^-12

Maths literacy

Can i have formula of calculating area

Maths

what is the formula for calculating area of shaded part

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

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?

math

Rainfall for August in Fiji averages 11" according to World Travel Guide. This year it rained 2% less. How many inches did it rain this year?

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?

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) ...

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 ...

chem

what is the equation for calculating ÄE? here is my info- q=-39kJ, w=88kJ

health

What is the correct denominator for calculating the cesarean section rate?

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