# math average!

142,768 results

**math**

Julie wants to have a 90 average in her math class at the end of the year. She is trying to determine what she needs to make on her final exam for this to work. Everything is weighted equally and she currently has a 85 for her quiz average, a 80 for her homework average, a 92 ...

**math-average**

What is SUM AVERAGE? The professor mentioned that the exam average was 58 [out of 100] and sum average was 144

**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...

**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?

**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 ...

**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...

**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!!!

**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 ...

**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 ...

**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...

**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 ...

**Math**

Which of the following types of information is suited for display on a double line graph? Average wages paid to men and to women over 5 years Average height of basketball players in five schools Average age of people entering the public library in five locations Average price ...

**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 the average morning temperature? a.) If m represents the average morning temperature, what equation models this ...

**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 ...

**Math**

The average (arithmetic means) of t and y is 15, and the average of w and x 15. What is the average of t, w, x, and y? (A) 7.5 (B) 15 (C) 22.5 (D) 30 (E) 60

**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.

**math**

Suppose the daily high temperature in a town is 3 degrees above average one day, then 5 degrees below average the next day, then 2 degrees above average, then 1 degree below average, then 6 degrees above average, then equal to the average the next day. Find the mean deviation ...

**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?

**Math**

Suppose there is a quiz in your mathematics class every week. The value of each quiz is 50 points. After the first 6 weeks, your average mark on these quizzes is 36. a) What average mark must you receive on the next 4 quizzes so that your average is 40 on the first 10 quizzes...

**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.

**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?)

**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?

**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.

**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

**Math**

Kody has currently has an average of 80 in his math class. What must he make on his midterm, that counts 20% of his grade, to maintain a 70 or above average?

**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?

**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...

**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?

**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 ...

**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 don't understand your question, but I can assure you that average rate of change and average ...

**Science Help Not sure**

Within the Gaetz Lake Sanctuary in Red Deer, Alberta, is a looped trail that is 4 km long. Suppose a person walked all the way around the looped trail in 1 h, ending where he or she started. Which statement best describes this person’s motion over this time interval? A.The ...

**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

**math**

The average marks of 14 students was 71. It was later found that the marks of one of the students has been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. What is the correct average? Average age of seven persons in a group is 30 years, the average age ...

**math**

The average marks of 14 students was 71. It was later found that the marks of one of the students has been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. What is the correct average? Average age of seven persons in a group is 30 years, the average age ...

**word problem, please**

Joe has scored 84, 89, and 90 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to a) Get a C average on exams? f b) Get a B average on exams? f c...

**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.

**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?

**word problem, Im lost on how to set this up**

Joe has scored 84, 89, and 90 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to a) Get a C average on exams? f b) Get a B average on exams? f c...

**math (algebra)**

In Professor Tuffguy's mathematics class, 36 students took the final exam. If the average passing grade was 78, the average failing grade was 60, and the class average was 71, how many of these 36 student passed the final?

**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...

**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?

**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.

**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?

**math**

if my average is 88 percent. and if another grade is added, is it possible that my average would be the same

**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 ...

**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 ...

**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%?

**Math**

In aclass of 100 students the average mark in math paper is 60.the average mark for the top 30 students is 80.find the average mark for the remainning 70 students.

**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...

**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 ...

**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

**math**

a motorist drives 80km at an average speed of 63km/h.which average is this:mean median or mode

**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

**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...

**Math**

average score of first three test is 90 and average score of two test is 89 what is average score of all five tests

**CAN YOU HELP ME??? Math Connections Acadamy **

7th grader at Connexus and I need help Juan averaged 16 points for the first 6 basketball games. In his 7th game, he scored 25 points. Which of these is a reasonable conclusion about Juan’s scoring average? 1 He always scores the most points on his team. 2 His final scoring ...

**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?

**math**

50 students took a test. 24 received a better than average grade. What percent scored above the average?

**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?

**scientist**

what is the therms " average atomic mass is a .............. average ,and so is calculated from a" normal " average?

**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 ...

**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.

**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.

**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?

**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 ...

**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...

**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 ...

**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

**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

**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.

**math**

A professional baseball player has a battung average of 0.325 , express the players batting average as a fraction in simplest form.

**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 ...

**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.

**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?

**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

**Math**

Mrs. Bryant has a 1-year-old son who is 62.5 cm tall. Mrs.bryant want to see if her son's height is above or below average. She has a table of average heights for children the table shows the average height for a boy of that age is 28 inches.how many inches shorter is Mrs....

**Math**

A van travels for 3 hours at an average speed of 40 mph. How much longer must the van travel at an average of 55 mph so that the average speed for the entire trip will be 50 mph?

**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.

**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?

**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 ?

**Math**

Suppose th average rain fall in april was leas than THE average rain fall in may Write a possible average rain fall for april that includes a 4 in the hundreths place Express You answer using 2 differnt forma

**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 ...

**Math**

Emilio left Main Road at 8 A.M and arrived at Lame Lane at 2 P.M. His average for the whole journey was 60 mph. For the first 70% of the trip, he drove at an average speed of 65 mph. For the next 25% of the remaining trip, his average was 54 mph. Find his average speed for the...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**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 ...

**PHYSICS**

ratio of average velocity and average and average speed

**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 ...

**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?