Thursday

December 18, 2014

December 18, 2014

Number of results: 104,604

**math-average**

What is SUM AVERAGE? The professor mentioned that the exam average was 58 [out of 100] and sum average was 144
*March 6, 2008 by see*

**math**

The average of 5 numbers is 28. What would the 6th number have to be to bring the average up to 30? Anne’s average in math is 92. She wants to raise her average to 93 so she will make an A. she is taking a test on Friday. What score will she have to make on the test to raise ...
*March 14, 2011 by katherine*

**Math**

What is the average of seven numbers if the average of the first two is 9 and the average of the last five is 15?
*September 19, 2009 by Rebecca*

**Math**

In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the four first tests is 88.5. What is the lowest average he could get on his next two tests and still ...
*September 22, 2010 by Katherine*

**Math**

An instructor gives regular 20-point quizzes and 100-point exams in a mathematics course. Average scores for six students, given as ordered pairs (x,y) where x is the average quiz score and y is the average test score, are (18, 87), (10, 55), (19, 96), (16, 79), (13, 76), and...
*March 7, 2011 by Re*

**Math**

The word problem is: Nancy's quiz average is a 74. Her quiz average is 1/4 of her grade. The test average is 3/4 of the total grade. What test average does she need to get at least an 88? Would you be able to set up an equation, and explain how the answer was acheived? Thanks!!!
*October 1, 2008 by Coralia*

**math**

A math teacher calculates grades as follows:Grade=[2 test averages+quiz average/3] After 3 tests and 2 quizzes your test average is 83 and your quiz average is 89. You took your fourth test today and noticed that your overall average grade has dropped to an 83. What was your ...
*October 24, 2010 by Danica*

**math**

Anxious Billy Bob pulled out his math recording sheet and saw the following scores 54,62,65,68,70,70,78,82,84 A. He want to calculate his average.Which measure of center is the average?compute it ? I have this :The measure of center is the average, mean 633/9=70.33=about 70% B...
*April 19, 2014 by edu*

**math hw**

10.Thirty students in a chemistry class took a test on which the overall average score was 78. If the average score for 15 of those students was 85, what was the average score for the remaining members of the class? I know that "average" means dividing, but i'm not sure what ...
*August 4, 2014 by David*

**Math word gr 8**

For the month of January, the average afternoon temperature in Calgard is 1/4 the average morning temperature. The average afternoon temperature is -4 C. What is teh average morning temperature? a.) If m represents the average morning temperature, what equation models this ...
*January 26, 2009 by Tyler*

**Pre Algebra**

In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the first four tests is 88.5. What is the lowest average he could get on his next two tests and still ...
*October 17, 2013 by Ry*

**Math**

If the average cost per salaried employee increases by $4,000 in the Kitchen Department, what is the new average cost per employee in the department? (more info: Salaried Employees: Average # of employees: 2 Cost in Thousands: 52 Average Cost/Employee: 26 Hourly: Average # of...
*October 27, 2014 by Max*

**Math**

Period 1 has 15 students in it and a test average of 86%. Period 2 has 21 students in it and an average of 88%. Period 3 has 12 students in it and an average of 95%. Use weighted means to find the overall average of the classes.
*January 26, 2009 by John*

**Math **

What is the average births per day if the average birth per second is 4 1/5? What is the average deaths per hour if the average death per second is 1.7?
*September 14, 2010 by Jay*

**math**

Scott had an average of 83 on his first three exams. He later scored an average of 92 on the next six exams. What is his average for all nine exams. Round to the nearest tenth if necessary.
*November 12, 2013 by lynda*

**math**

sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?
*February 20, 2013 by lesi*

**math**

If a person took a survey and there were scores 1-5 Poor=1 Fair =2 Average =3 Good =4 Excellent =5 The response was. (1) for average (6) for good (2) for excellent. 9 total questions... How do I figure out the average chosen score?
*August 12, 2011 by KIm *

**Math**

The average of the first 4 numbers is 14. The average of the next 6 numbers is 25. What is the average of all 10 numbers. Can you explain how to calculate this please.
*January 21, 2010 by Shelby*

**Math**

Julie owns a video store. Her monthlyexpenses, including rent, average $1,185. This year she made $34,620 in revenue. What is the difference between her average monthly revenue and her average monthly expenses? HELP
*April 29, 2011 by Jojo*

**math ( average)**

a student wants to get an average of 80 on the 5 tests to earn an A grade.on the 4 test he gets 79, 88,64,78. how much should he score on the 5th test so that he gets this average of 80?
*October 18, 2007 by sasha*

**math**

on the third weekly examination, the class average was 78. If the average had increased at the rate of p points perweek, the class average on the first examination was...
*September 10, 2011 by Anonymous*

**MATH**

THE AVERAGE WIND SPEED INCREASED 19 MILES/H FROM 8 AM TO 12 NOON. THE AVERAGE WIND SPEED DECREASED 5 MI MI/H FROM 12 NOON TO 4 PM. AT 4 PM, THE AVERAGE WIND SPEED WAS AT LEAST 32 MI/H. WHAT IS THE MINIMUM VALUE OF THE AVERAGE WIND SPEED AT 8 AM? NEED TO SOLVE AN INEQUALITY ...
*November 30, 2011 by Justin*

**english**

1. He is of average height. 2. He is around average height. 3. He is a little below average height. 4. He is over average height. 5. He is of much more average height. 6. he is a little average in height. 7. He is more average in height. (Are they all grammatical?)
*November 14, 2012 by rfvv*

**math**

finding the average in a a cosine graph. would the average be the the middle of the y-axis for the graph? for example, for y = cos x would the average be 0
*September 5, 2011 by Amy*

**calculus**

is average rate of change and average value the same or will you get a different answer for each this is calculus so it's the mean average. it's using the formula and integrating. I dont understand your question, but I can assure you that average rate of change and average ...
*April 12, 2007 by david*

**Statistics**

A number of grade school students were asked about their perceived math ability and the results are in the table below. Below Average = BA Average = A Above Average = AV BA A AV Girls 61 54 21 Boys 43 61 42 Test at the 0.01 level if there is a difference between girls and boys...
*December 9, 2012 by Maria Elizabeth*

**math**

The average of x and y is 5 and the average of x,y, and z is 8. What is the value of z? a. 19 b. 14 c. 13 D. 11 e. 3 I know that the average of 7 and 3 is 5 (if 7 and 3 are x and y) but I don't know what z is.
*October 14, 2008 by Mariah*

**math**

The average (mean) of a and b is 10. The average of b and 10 is 1/2 of c. What is the average of a and c?
*May 16, 2010 by joey*

**Math**

Sarah has an 86% average on her 1st 5 tests. If she gets a 92 on her next test, what will her average be then?
*May 6, 2012 by Bex*

**math**

if my average is 88 percent. and if another grade is added, is it possible that my average would be the same
*March 11, 2013 by Angela*

**math**

a train travels 68 km at an average speed of 51 km/h. it then travels another 20 km at an average speed of 40 km/h before reaching its destination. calculate the average speed of whole journey?
*April 26, 2014 by owais*

**Math**

Karen has an 86% average after 4 grades, what grade does she need to get in order to bringer average up to an 88%?
*November 27, 2011 by Caitlyn*

**Math**

the average american drinks 29 more cokes per year than the average mexican. if together they consume 555 cokes per year how many cokes are consumed each year by the average american and how many by the average mexican? i also have to identify the constraints.
*October 31, 2013 by Jason*

**math**

If x and y are positive numbers and the average of 4, 20 and x is equal to the average of y and 16, then the ratio x: y is
*January 18, 2011 by saqib*

**algebra**

sonya's average in math class is an 84 after 3 tests. what must she get on the next test to raise her average to an 88?
*February 20, 2013 by cindy*

**math**

50 students took a test. 24 recieved a better than average grade. What percent scored above the average?
*February 25, 2014 by mary d.*

**math**

In his NPR radio program "A Prairie Home Companion," Garrison Keillor describes the mythical town of Lake Wobegon as a place where "all the women are strong, all the men are good-looking, and all the children are above average." The average (mean) score on a recent test given ...
*July 18, 2007 by kathy*

**Math?**

Hola i need help with this problem I got all confused with the letters A,B,C,D and E are 5 numbers. The average of A,B,C, and E is 27. The average of B,C and D is 23. The average of B,C,D and E is 29. What is the average of these 5 numbers? A+B+C+D=_______________=______ B+C+D...
*December 9, 2006 by Marisol Hernandez*

**math**

the average (arithmetic mean) of a and b is 6 and the average of a, b, c is 11. What is the value of c?
*February 5, 2013 by Oscar*

**TO BOBPURSLEY**

def of average velocity = t^-1 (x - x0) (average velocity = t^-1(x-x0))t=(avearge velocity)t + x0= x - x0 + x0 = x = (average velocity)t + x0 x = (average velocity)t + x0 def of average velocity were costant acceleration is assumed = 2^-1(v0 + v) plug into x = (average ...
*June 18, 2009 by TO ]BOBPURSLEY*

**Physics**

def of average velocity = t^-1 (x - x0) (average velocity = t^-1(x-x0))t=(avearge velocity)t + x0= x - x0 + x0 = x = (average velocity)t + x0 x = (average velocity)t + x0 def of average velocity were costant acceleration is assumed = 2^-1(v0 + v) plug into x = (average ...
*June 19, 2009 by Physics*

**math**

15 students took a science test. the average score was 88.0. later in the day a sixteenth student took the same test and scored a 92. the teacher recalculated the class average using all 16 of the scares. by how much will the class average have increased? show your work.
*April 10, 2013 by carol *

**Help math!!**

15 students took a science test. the average score was 88.0. later in the day a sixteenth student took the same test and scored a 92. the teacher recalculated the class average using all 16 of the scares. by how much will the class average have increased? show your work.
*April 10, 2013 by kelly*

**Probability and statistics**

5. The probabilities that the lifetime of a randomly chosen device is below average, average, above average are respectively 0.2, 0.5, and 0.3. The probability that the 3 randomly chosen devices lifetimes of 2 are above average and 1 below average equals Choose one answer a. 0...
*March 2, 2012 by Arun*

**statistics**

Employees are evaluated as below average, average, or above average. What level of measurement is this? a. nominal b. ordinal c. interval d. ratio
*June 19, 2011 by Anonymous*

**Math**

Okay ... just checking on how to figure this ... Here is the problem: Some researchers estimate that humans walk about 10,000 in their lifetimes, on average. Assume that the average life span is 70 years. a) about how many miles per year does the average person walk? would you...
*November 29, 2007 by Emily*

**math**

mikes average on the first four exams in econ 1A is 88. what must he earn on the next exam to raise his overall average to 90
*April 27, 2010 by chris*

**Math #2**

Sue's average for 9 games of bowling is 108. What is the lowest score she can receive for the tenth game to have an average of 110.
*January 9, 2012 by Linda*

**math**

A professional baseball player has a battung average of 0.325 , express the players batting average as a fraction in simplest form.
*April 7, 2014 by anonymus*

**Math**

Rae runds a mile 20 times. Her average time is 5.2 mins. She wants to drop her slowest time 5.8 mins and find the ew average. Write and equation to find are her new average running time
*November 15, 2010 by Abby*

**algebra 1**

princess leia is a very good math student. Her average math grade was a 95 on her 15 tests. If Darth Mangham decides to drop her lowest grade, write an expression to determine her new test average.
*October 3, 2014 by paula*

**Chemistry**

If tests are worth 90% & quizzes 10%. What is my average is my test average is a 83 & my quiz average is a 92?
*June 30, 2011 by Diane*

**scientist**

what is the therms " average atomic mass is a .............. average ,and so is calculated from a" normal " average?
*December 6, 2012 by asiya*

**math**

The average mass of a group of children is 36kg. If 3/7 of the no. of children are girls and their average mass is 32 kg, find the average mass of the boys.
*July 27, 2014 by Anonymous*

**math**

Vince's average bowling score for 5 games was 106. The average for the first two games was 102, and the average for the next two games was 108. What was the score of the 5th game?
*August 13, 2013 by Anonymous*

**math**

automoniles arrive at the drive-through windom at a post office at the rate of 4 every 10 minutes. the average service time is 2 minutes. the poisson distributimes are exponentially distributed. (A) what is the average time a car is in the system? (b) what is the average ...
*June 7, 2011 by mark*

**Maths**

In a class of 75 students,15 are above average,45 are average and the rest below average achievers.The probability that an above average achieving student fails is 0.005,then an average achieving student fails is 0.05 and the probability of a below average achieving student ...
*August 17, 2014 by Susan*

**Physics**

Could someone please review my answers and tell me if I am on the right track? Thank you! A student drove to the university from her home and noted that the odometer reading of her car increased by 12.0 km. The trip took 18.0 min. (a) What was her average speed? (b) If the ...
*August 31, 2012 by Miaow*

**Microeconomics**

When average total cost is declining then: a) marginal cost must be less than average cost b) marginal cost must be greater than average cost c) average toal cost must be greater than average fixed cost d) average variable cost must be declining. My answer is d but my friend ...
*January 26, 2012 by Nicci*

**math**

The average score on a reading test for 58 students was 87.3. Twelve more students took the test. The average of the 12 students was 90.7. What was the average for all students?
*November 11, 2009 by TSN*

**math**

To obtain a final average of 80 % in a certain subject, what grade must a student earn in a test after having an average of 77.5 % in four examinations ?
*August 3, 2013 by vincent*

**Probability and statistics**

The probability that the life time of randomly chosen device is below average, average,above average are respectively 0.2,0.5,0.3. The probability that of the 3 randomly chosen devices lifetimes of 2 are above average and 1 below average equals a.0.054,b.0.018,c.0.036,d.0.012
*March 1, 2012 by Arun*

**Math(Please help, thank you)**

I am trying to calculate my percent error for an experiment conducted. I need to compare my average density calculated to the accepted average density but I am having trouble doing this because of the conversions. My average density was 0.12 g/mm^3. The accepted value is for ...
*August 29, 2012 by Hannah*

**Math**

the average score on a math test for 16 students was 66. six more students took the test. the average of the six was 74. What was the average of all of the students?
*May 12, 2014 by Sarah Powers*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*May 8, 2012 by toliver*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*October 30, 2012 by kay*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*October 31, 2012 by kay*

**MATH**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*April 15, 2013 by TIM*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*April 18, 2013 by mike*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*May 22, 2013 by Anonymous*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*September 24, 2013 by Anonymous*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*January 3, 2014 by Anonymous*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*June 27, 2014 by dd*

**Math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*November 17, 2014 by Anonymous*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*June 28, 2012 by John*

**trying to understand math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*April 14, 2014 by math*

**Physics**

170 students in a lecture hall can scream at 115 dB. Thus, we should expect that: A. an average student can do 0.68 dB by him or herself. B.340 average students can do 125 dB. C.340 average students can do 230 dB. D.1700 average students can do 125 dB. E.85 average students ...
*May 7, 2008 by Carrie*

**Physics**

170 students in a lecture hall can scream at 115 dB. Thus, we should expect that: A. an average student can do 0.68 dB by him or herself. B.340 average students can do 125 dB. C.340 average students can do 230 dB. D.1700 average students can do 125 dB. E.85 average students ...
*May 8, 2008 by Courtney*

**PHYSICS**

ratio of average velocity and average and average speed
*June 11, 2014 by AYESHA*

**math**

average cost suppose that the daily cost "C" of manufacturing bicyclesis given by c(x)=80x+5000. Then the average cost "C" is given by 80x+5000/x. How many bicyclesmust be produced each day for the average cost to be no more than $100? I am not understanding this problem at ...
*April 18, 2013 by peggy*

**math**

Biologists want to set up a station to test alligators in the lake for West Nile Virus. Suppose that the costs for such a station are $3,000 for setup costs and $4.00 to administer each test. a. Write an expression that gives the cost(C) to test animals. b. you can find the ...
*May 1, 2011 by lindsey*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*May 8, 2012 by toliver*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*June 20, 2012 by kime*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*March 1, 2013 by Anonymous*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*April 14, 2014 by math*

**math**

The average weight of 6 eight graders is 150 pounds and the average weight of 4 7th graders is 120 pounds what is the average weight of the 10 students twostudents
*August 11, 2014 by khila*

**math**

The Houston Chronicle on January 13, 2007 reported on Texans' ticket prices to be charged Texas football fans for the 2007 season. The average Texans' ticket price will be $60.63, an increase of $2.88 from last year. Before the 2007 season, 22 teams increased ticket prices. ...
*July 16, 2010 by jenni*

**math**

a cyclist travels the 30 km from Town A to Town B at an average speed of 25 km/h and immediately continues the journey to town C, which is a further 60 km away at an average speed of 20 km/h. What is the average speed for the whole journey?
*November 23, 2012 by Lindsay*

**Math**

Jessie’s average grade in Algebra for the first two terms is 73.5. What grade must he get in the third term to have an average of 75?
*October 17, 2012 by Milen*

**math**

If the average chicken lays 6 eggs in 7 days, how many chickens on average are needed to obtain 163 eggs per day?
*September 5, 2014 by Abdul*

**math**

Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March and averaged 125 ...
*May 3, 2012 by Anonymous*

**Algebra**

The class average on a math test was 82 and there are 8 students in the class. If seven of the scores are 80, 90, 78, 100, 76, 74, and 82, what must the 8th score be to produce the average of 82?
*June 6, 2013 by Jack*

**math**

Mrs. Stewart said the class average was 85. The actual quiz average was 72. What is her percent error rounded to the nearest tenth of a percent?
*November 29, 2014 by terri*

**Math**

The average of 3 numbers is 45. If one of the numbers is 43, what is the average of the other 2 numbers? The average of 3 numbers is 45 means the total = 45 x 3 = 135? is that what u suppose to do? If one of the numbers is 43, the total of the other two=_______________=______...
*December 9, 2006 by Jake P.*

**math**

The average of 20,70 and x is 40. If the average of 20,70, x and y is 50, then y= a. 30 b. 60 c. 70 d. 80 e. 100
*September 21, 2013 by Carl*

**math**

the average mark of 10 tests is 76%.If the average mark of the first 7 tests was 73%,what is the average mark of the remaining 3 test
*November 24, 2012 by charlie*

**math**

10 numbers have an average of 12 whereas 5 other numbers have an average of 36. find the average of the 15 numbers
*October 28, 2013 by kellyann*

**science**

What climate does this place have? Warmest month average: 83'F Coldest month average: 70'F Average rainfall: 42 in/yr Vegetation: Rainforest
*August 31, 2010 by pam*

**Physics**

starting from your house, run 2oom east at an average speed of 4m/s, then turn around and run 280m west at an average spped of 7m/s to a post. 1) calculate Average velocity from house to post 2)average speed
*July 26, 2012 by carak*

**6th Grade Math**

A mother duck has 5 ducklings. The average weight of the 5 ducklings is 6 ounces. If the average weight of three of the ducklings is 5.25 ounces, what is the average weight, in ounces, of the other 2 ducklings? Express your answer as a decimal to the nearest thousandth. Thanks
*May 18, 2010 by klk*

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