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April 18, 2014

Search: Physics(class) /Math (problem)

Number of results: 350,100

Math
I don't get the first problem of my homework. We learned three lessons today, the increase, decrease, and finding the base number. But i don't know which one I should use. Please help with this problem: There are 12 girls in Mr. Cooper's class. The girls make up 40% of the ...
Thursday, October 11, 2012 at 2:10am by Losa

statistics
this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student receives an A in a four-...
Sunday, February 10, 2013 at 10:42pm by Cyn

Physics(class) /Math (problem)
Oh I found my mistake thanks. :)
Wednesday, October 3, 2012 at 5:17pm by Christine

Math
There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class passed the math test with a B. What percent of the students in the class passed the test? ****** This is how I slove the problem, but I stuck in the ...
Thursday, March 1, 2012 at 12:00pm by Grace

math
Math word problem: There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class.
Tuesday, October 2, 2012 at 5:40pm by Lisa

math
suppose you want to take a karate class. the first class is january 16th. the class meets every week for 6 weekswhats the date of the last class? Start at 1/16 and add 7 days six times to get 1/23, 1/30, 2/6, 2/13, 2/20 Find the sum the each letter stands for in the problem ...
Wednesday, October 18, 2006 at 7:28pm by erin

statistics
The example was meant to show you how to do the problem without doing it for you. You are correct on the midpoints. You are missing the lower class boundaries. You are missing the class widths for each class.
Thursday, April 19, 2012 at 3:07pm by MathGuru

Physics
You slide your friend with a mass of 65 kg out of the way as they are blocking the exit and keeping you from escaping from physics class where you have been tormented by problems for the last hour and a half. The coefficient of kinetic friction between the floor and your ...
Tuesday, January 1, 2013 at 11:09am by Bart

problem solving
ou are completing the final exam in your class. Your instructor’s assignment instructions state that you may only use the following resources: library books, class notes, texts, and the instructor. You and your roommate discussed one of the questions, but you wrote your own ...
Friday, April 12, 2013 at 12:20am by ashley

Math
On a math test,12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class? 'In this problem I'm not sure whether I'm being asked to solve for one or two unknowns. May I have your help ? Thank you.
Wednesday, July 21, 2010 at 1:20pm by Cliff

Math
No, you don't need to see the graph to give the correct answer. You have supplied sufficient information to calculate the class intervals. Class interval is the distance between classes. The distance can be calculated by taking the difference between class centres, class ...
Tuesday, July 31, 2012 at 7:59am by MathMate

To Helper
I had a problem to solve, and I dont get how to make equations from this problem. Mrs. Chans math class contributed 2 dollars and $1 coins to an earthquake relief fund. the number of $1 coins contributed was 8 less than 5 times the number of $2 coins contributed. if class ...
Thursday, January 13, 2011 at 10:08pm by Mathew

English
1. My favorite class is math class. 2. My favorite class is a math class. 3. My favorite class is the math class. (Which one is correct?)
Wednesday, May 13, 2009 at 4:54pm by John

Physics
I think we are in the same class, 'cause I'm working on this problem also...
Sunday, March 17, 2013 at 6:14pm by Jon

Statistics
I think there is a problem here. What if there are 215 students in the stat class, 15 of which are males. The remaining 200 are female. For the statistics class, the females overwhelm the males, so the Class statistics largely reflect the females, and the males is just down in...
Saturday, January 15, 2011 at 4:55pm by bobpursley

5th math
what is the least common multiple (LCM)for 15 and 45? There are 16 girls in a class of 36 student. which expression could be used to determine the number of boys (b) in the class? please! help i think this too hard for 5th grade math. this suppose to be for 10th or college ...
Monday, January 31, 2011 at 9:33pm by pat

math
At first one third of the class were boys. Then another boy joined the class. Now three out of eight of the class are boys how many students are in the class now? (Hint:There are fewer than 40 students in the class.)
Wednesday, August 29, 2012 at 11:32am by Jenny

English
He has stopped taking boxing lessons and goes to the ballet class. (In this sentence, what does 'class'mean? Does 'class' mean 'lesson'? Or does 'class' mean the 'class' as in ' He is a student of Class 1-1'?)
Thursday, January 31, 2013 at 2:11am by rfvv

high school algerbra class
(2/x^2-4)+(3/x^2)+(x-6+1/x+3) someone please show me how to work this problem with the steps, so I can see if I can get it. This is due tomorrow in class. Thank you.
Wednesday, August 25, 2010 at 5:47pm by kenneth

Math Ratios
The ratio of the number of pupils in Class A to the number of pupils in Class B is 2:5. The ratio of the pupils in Class B to the number of pupils in Class C is 10:3. a. Find the ratio of the number of pupils in Class A to the number of pupils in Class B to the number of ...
Thursday, September 13, 2012 at 4:38am by Dottie

College Algebra
Solve the problem. Jon has 1162 points in his math class. He must have 86% of the 1500 points possible by the end of the term to receive credit for the class. What is the minimum number of additional points he must earn by the end of the term to receive credit for the class?
Friday, February 10, 2012 at 8:12pm by Jess

English
What's your favorite class? My favorite class is math. My favorite is math class. My favorite class is a math class. My favorite class is the math class. (Which answer is correct?)
Tuesday, March 3, 2009 at 7:40pm by John

Moral Help
This is pretty irrelevant to subjects, but I've had a problem (no, not a math problem) that I could use some good advice on. Today I received a detention for messing around with a friend during a computer apps class. It's easy as hell, so I find it easy to be distracted. ...
Tuesday, September 18, 2007 at 7:02pm by John

PreAp Physics
You are walking from your math class to your science class carrying a book weighing 112N. You walk 45 meters down the hall, climb 4.5 meters up the stairs and then walk another 40 meters to your science class. What is the total work performed on your books.
Wednesday, November 23, 2011 at 7:21pm by Mandy

high school
Math problem: Anida won the class election by margin of 5-3. She received 355 votes. How many votes did the other candidates get? I really need to understand how you did the problem to get the answer
Sunday, May 24, 2009 at 3:54pm by Ninja

stats 101
how do you find the lower class limit,upper class limit, class width, class midpoint, and class boundaries from a set of frequencies data
Monday, July 30, 2012 at 2:13pm by kelly

Business
In a frequency distribution, what is the number of observations in a class called? A. class midpoint B. class interval C. class array D. class frequency E. none of the above
Sunday, December 13, 2009 at 12:02pm by Tykrane

Math
If threr are a total of 20 students in Bibi's class, how many boys are in the class? How manygirls are in the class?
Thursday, March 15, 2012 at 10:13pm by Emily

Physics(class) /Math (problem)
considering just the mass of the silver, (.20)(16)+x = (.31)(16+x) x =2.55 so, add 2.55g of silver
Thursday, October 4, 2012 at 12:18am by Steve

Statistics- Math
If a specific class in a frequency distribution has class boundaries of 132.5 - 147.5 what are the class limits ?
Friday, February 17, 2012 at 9:02pm by Kerrin

English
1. What's your favorite class? 2. It's math. 3. It's math class. 4. It's a math class. 5. My favorite class is math. Which are the right answers for the question? 6. What's your favorite subject? 7. It's math. (What about the question, #6? Is the question the same as question ...
Tuesday, March 9, 2010 at 8:16pm by rfvv

Math
There are 28 boys in a class which account to 78 of the whole class. Find the total number of students and girls in the class.
Saturday, November 3, 2012 at 9:30am by Siranta

physics
I would drop your class, you are being cheated. M mass g acceleration due to gravity h distance, or change in height mgh is potential energy (PE) If these are not in your text, or never had this in class, or have never heard of it, something is wrong. Either you are lost, or ...
Tuesday, December 21, 2010 at 1:24pm by bobpursley

Mathematicas
There will be (6x5)/2 or 15 games (class A cannot play against classA, as would be the case in lisa's answer. I also divided by 2 since class B vs class C is the same game as class C vs class B etc)
Monday, April 5, 2010 at 5:18pm by Reiny

math
there are 30 students in class. 1/5 of the class are girls. how many boys are in the class
Tuesday, April 6, 2010 at 6:48pm by amber

Math
Basically you cannot. A bar graph puts different numbers into the same class, and so there is loss of information. If you have a problem in hand, post the data (if they are not too numerous) and we can appreciate better the problem in hand.
Monday, May 20, 2013 at 10:00am by MathMate

math
Three students, Chris, Vlad, and Steve, are registered for the same class and attend independently of each other. If Chris is in class 80% of the time, Vlad is in class 85% of the time, and Steve is in class 90% of the time, what is the probability that at least two of them ...
Sunday, April 21, 2013 at 4:24pm by Lindsay

Math
There Is 3/4 Of Class 218 Going To Art And 1/8 Going To Gym. The Rest Of The Class Is Going To Computer Class. What Fraction Of The Class Is Going To Computers ?
Thursday, April 4, 2013 at 6:43pm by Zhanise

maths
the class-marks of classes in distribution are 6,10,14,18,22,26,30.find (a)class size (b)lower limit of second class (c)upper limit of last class (d)third class Explain in detail.
Sunday, February 24, 2013 at 10:17pm by ujjval

English
Which class are you in? I'm in class 2. What class are you in? I'm in class 2. Which year and which class are you in? I'm in the second year and the second class. What year and what class are you in? I'm in the second year and second class. I'm in the second year, second class...
Tuesday, March 17, 2009 at 9:14am by John

Math
In a math class there are 28 students. Each student has a 90% chance of attending any given class and students act independently. What is the probability that tomorrow's class has perfect attendance?
Thursday, March 22, 2012 at 10:45am by Cortney

statistics
I need to find the class midpoint, boundaries and class with for the following problem Tar Cigarette Filter Frequency 2-5 2 6-9 2 10-13 6 14-17 15 I did the midpoint and boundaries 3.5 5.5 7.5 9.5 11.5 13.5 15.5 17.5 But for the width I got an answer of 1.25 can someone please...
Thursday, April 19, 2012 at 3:07pm by ALFREDA

Question
Senior class is the only class I'm doing (because like there is 9th grade class, and 10th grade class, and 11th grade class) because it's the most important grade. Gradution, prom, scholarships, SAT's and ACT's, awards, colleges application, it's a lot so yeah. Here is a ...
Friday, December 30, 2011 at 12:25pm by Lauren

math
The average height of a class of students is 134.7cm. The sum of all the heights is 3771.6 cm. There are 17 boys in the class. How many girls are in the class?
Tuesday, November 10, 2009 at 2:59pm by tsn

math
every math class at super fun time high school has 31 students and every science class has 18 students. the school offers 4 more math class than sciencs. if the school has 418 students, how many of each class does the school offer.
Saturday, August 18, 2012 at 8:57pm by niko

math for 6 grade
write and solve an eqution for the following: there are 17 children in the class. 5 more join the class. how many students are in the class.
Tuesday, October 6, 2009 at 3:20pm by math for 6 grade

Math - Alegbra 2
In a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a class? how many students ...
Saturday, December 2, 2006 at 12:45pm by AS

business
Eastern Airlines knows that 20% of its customer fly first class,20% fly business class, and the rest fly coach. Of those customers who fly first class,70% are from the East Coast while 30% are from elsewhere. In addition, of those customers who fly business class, 50% are from...
Friday, October 14, 2011 at 11:46pm by jose alejandro

Sociology
I have already answered these questions but I am a little uneasy of the answers. Could someone please read them and provide feedback and if possible a little more detail for explainations? Q: What is the meaning of stratified? A: To classify or separate (people) into groups Q...
Sunday, January 18, 2009 at 6:05pm by TOM

algebra
please help me write a complete algebraic solution thanks problem 18. mike, alex, olivia ran for the office of president of their senior class . of the 400 votes cast, olivia received 38% of the votes and michael received 116 votes. A. What % of the votes did michael receive? ...
Friday, December 2, 2011 at 4:07am by ann

Problem Solving
I was asked the same problem in my class. 88.75 left weekly
Saturday, April 18, 2009 at 4:49am by Ed

Math
The beginning tennis class has twice as many students as the advanced class. The intermediate class has three more students than the advanced class. How many students are in the advanced class if the total enrollment for the three tennis classes is 39? A. 10 B. 15 C. 9 D. 12 ...
Friday, March 22, 2013 at 2:00pm by Amy

8th grade honors class (math)
Hehe no problem.
Monday, January 5, 2009 at 4:31pm by Don

Physics
Please help!!! Physics test!? I have a physics test tomorrow on projectile motion, and I don't feel ready for it. I'm having trouble in the class and I need to ace this test. The problem is I get confused when I get a problem. I don't know how to proceed. After I read the ...
Tuesday, October 9, 2012 at 5:32pm by Mike

geometry
Write the equation and solve the problem: A high school graduating class is made up of 512 students. There are 70 more girls than boys. How many boys are in the class?
Thursday, November 5, 2009 at 10:25pm by Clair

chemistry
I think you left out several pieces. You have no link to anything else. This must have something to do with a lab? a homework question? A problem in class? A discussion is class?
Saturday, October 6, 2012 at 5:41pm by DrBob222

English
Yes, we can say that. However, as I said before, it's more common to say: My favorite class is math class. However, if you are taking two math classes, it's more accurate to say which math class is your favorite. Example: My favorite class is algebra.
Tuesday, May 19, 2009 at 8:48pm by Ms. Sue

Calculus
what's your name. i think i'm in your class. I'm having the same problem. Hopital isn't the way to solve this problem though.
Friday, March 8, 2013 at 4:58pm by uci

gen200
Hehehe!! A problem in my every day life is how I summon the energy to clean house more often. But we have a problem. My problem is not your problem. Besides, I don't have any access to your readings. It looks like you're on your own for this one. Since you're paying for this ...
Thursday, August 5, 2010 at 9:10pm by Ms. Sue

English
1. My favorite class is a math class. 2. My favorite class is math class. (Which one is right? are both OK? Do they have a different meaning?) 3. I have two math classes today. 4. I have two math class today. (Which one is right?)
Tuesday, May 19, 2009 at 8:20pm by John

Math:Probability
The probability of having homework over the weekend in math is 0.9,history is 0.6, and Spanish is 0.75. 1. What is the probability of having exactly one class that gives homework? Is this a nCx problem? I got an illogical answer: 10.54=1054% THIS IS NOT RIGHT!!!!!!! 2. What is...
Friday, February 28, 2014 at 7:44pm by Anonymous

math
the biology class has a lab every days. the earth science class has a lab every three days . which class day do they both have class ?
Tuesday, October 22, 2013 at 6:26pm by mike

Math - Alegbra 2 some1 plz help?
in a certain math class, each student has a text book, every 2 students share a book of tables, every 3 students share a problem book, and every 4 students share a mathematics dictionary. If the total number of books is 75.. how many students are in a class? how many students ...
Saturday, December 2, 2006 at 11:14pm by Agnes

English
What's your favorite class? 1. It's a math class. 2. It's math class. 3. It's math classes. 4. Math class is my favorite. 5. Math classes are my favorite. 6. A math class is my favorite. (Which answers are correct? Are all correct?)
Sunday, March 14, 2010 at 10:25pm by rfvv

algebra...
In a school, there are 4 more students in Class A than in Class B, and 4 more students in Class B than in Class C. As a reward for good behavior, a teacher decides to give out some sweets. Every student in class C got 5 more sweets than every student in Class B, and every ...
Tuesday, March 12, 2013 at 12:10pm by please...help...Ms.Sue....

math/hurry
The ratio of boys to girls in Mr. Joiner’s class is 5 to 7. If there are 15 boys in the class, how many total students are in the class?
Friday, March 26, 2010 at 9:17pm by Kirk

Math
More than 18'students in an algebra class pass the first test. This is about three-fifths of the class. How many students are in the class? How do you know?
Tuesday, March 5, 2013 at 8:58pm by Carol

math
a class has 18 classes with 35 students in each class. in order to reduce the class size to 30,how many new classes must be formed?
Tuesday, October 2, 2007 at 4:14pm by christal

math
The ratio of boys to girls in Mr. Joiner’s class is 5 to 7. If there are 15 boys in the class, how many total students are in the class?
Monday, December 7, 2009 at 8:28pm by student

math
The ratio of boys to girls in Mr. Joiner’s class is 5 to 7. If there are 15 boys in the class, how many total students are in the class?
Sunday, December 13, 2009 at 9:56pm by Anonymous

Math
In a middle school 5th grade class there are 5 girls for every 4 boys. all together the class has 27 students. How many boys are in the class?
Monday, October 8, 2012 at 2:44pm by Matt Lyon

math
•You and three (3) of your friends were in the same advance placement high school chemistry class in high school. All four (4) of you decided to take the same chemistry class together at the local university along with 21 other students. On the first day of class, the ...
Tuesday, December 4, 2012 at 8:14pm by jacque

percents
how do you find the percent of how many students in the class for example there are 2000 students in a class and 20 percent of them speak french...how do i solve this problem?
Monday, February 9, 2009 at 9:31pm by joelyz

sociology
1. discussion of marx, how does marx defines class and what problem does he have. 2. discussion between social class and health inequalities.
Saturday, June 7, 2008 at 10:09am by nancy

Statistics
A professor has noticed that, even though attendance is not a component of the final grade for the class, students that attend regularly generally get better grades. In fact, 39% of those who come to class on a regular basis receive A's. Only 14% who do not attend regularly ...
Sunday, October 25, 2009 at 9:25pm by Carrie

Calc
I mean feet, not meters. Yes, acceleration is crazy. It should increase during the propulsion phase and it should be g, 32 ft/s^2 down, after the engine cuts out. I assume this is math class and certainly not a physics class :)
Friday, February 22, 2008 at 4:06pm by Damon

Math
THE STUDENTS IN MR HENLYS CLASS PREDICTED THAT IF THEY EACH ROLLED A DIE 90 TIMES THE RESULT OF 1 OUT OF EVERY 6 ROLLS WOULD BE A 5. Each student then completed the experiment which result best supports the prediction of getting a 5 once out of 6 times. ( the question didnt ...
Monday, March 5, 2007 at 5:52pm by Jamee

physics
what is is called (both terms) when somthing makes a sound but no one is aroun to here it? Plz this is 4 my h work It could be many terms. Unobserved Source comes to mind. Surely you are not wasting much class time in physics class on this.
Wednesday, September 6, 2006 at 12:17pm by jonathan

Math
There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class passed the math test with a B. What percent of the students in the class passed the test?
Thursday, March 1, 2012 at 1:03pm by Grace

math
there are 4 girls in Mrs. Changs class than Mr. Blackwell's. 5 girls moved from Mrs. Changs to Mr. Blackwells. Now there are twice as many girls in Mr. Blackwells class as there are in Mrs. Changs, How many girls were in Mr. Blackwells class to begin with? Help, stuck with ...
Thursday, October 21, 2010 at 9:19pm by lomas

math
I am so bad at word problems! Help me find out how to figure this one out. 1/5 of the boys are absent and 2/5 of the girls are absent in Drew’s class. Bert thinks that you multiply, so his answer is 2/5 of the class are out. Elmo thinks that means 3/5 of the class is out. ...
Tuesday, February 1, 2011 at 8:55pm by Malena

Exam skills
Hello I'm a grade 10 student . I'm an A* student and have excellent knowledge. I raise my hand in class and teachers love the way i act maturally and how i get all questions right each time The problem with me is I get everything right in class but when it comes to tests or ...
Monday, October 8, 2007 at 6:39am by AMY

Physics(class) /Math (problem)
Moe earns 15% more than her husband Joe. Together they make 78000 per year. What is Joe’s annual salary? Answer to two significant figures. My answer was $31000, but the program doesn't seem to want to take it. Did I do something wrong?
Wednesday, October 3, 2012 at 5:17pm by Christine

Physics
The first derivative (velocity) is v(t) = x'(t) = 2 + 7t -7.5 t^2 That tells you that the starting velocity (at t=0) is 2 m/s. I am surprised they would assign this problem to a class that has not studied derivatives.
Tuesday, September 22, 2009 at 1:55am by drwls

PHYSICS (HELP!!!)
Are you kidding me? I'm in that MIT online class too, and you copied the TEST problem word for word! Did you even bother to read the honor code?!
Friday, November 1, 2013 at 3:27pm by Anonymous

math
how do i do variables in math i dont figure it out your self:) Do you have a specific problem you want help with? The subject should be covered by your text and your teacher's in-class explantions.
Tuesday, September 19, 2006 at 7:28pm by cassie

Math
I'm trying to figure out the mode and modal class and the numbers that are the mode are 17, 20, 24, 25, 31, 33 from a set of numbers. (I already figured that part out). My question is what of those numbers is the modal class or in other words what is a modal class as opposed ...
Thursday, November 7, 2013 at 10:25am by Anonymous

Math
Last year,your class held a fundraiser and donated 850 dollars to a local charity.This year,your class's donation increased by 24%.How much did your class donate this year?
Monday, November 14, 2011 at 5:17pm by Sarah

Physics
Trying to be on time for class, a girl moves at 2.4 m/s down a 52 m-long hallway, 1.2 m/s down a much more crowded hallway that is 79 m long, and the last 25 m to her class at 3.4 m/s. How long does it take her to reach her class?
Tuesday, September 18, 2012 at 8:31pm by Cynthia

physics
You whole problem is in feet, so I assume you would answer in feet unless your class has a rule saying always reply in SCI units.
Saturday, January 25, 2014 at 11:39am by Damon

Algebra 1
Mary's class took two tests last week. 80% of the class passed the math test, 90% of the class passed the English test, and 72% of the class passed both. What is the probablility that a randomly selected student in Mary's class failed both tests? Express your answer as a ...
Thursday, November 5, 2009 at 11:04pm by Zach

Statistics
The relative frequency for a class is computed as: A. class width divided by class interval. B. class midpoint divided by the class frequency. C. class frequency divided by the interval. D. class frequency divided by the total frequency>
Sunday, December 13, 2009 at 11:42am by Tykrane

Physics - ice to liquid
I am sorry to be a bother - I knew it was like the other problem but I couldn't figure out how. I am taking my class online and am struggling to learn the concepts, basically on my own. While I do well in math, this class has been very difficult for me to get my mind around - ...
Thursday, September 24, 2009 at 5:48pm by Ceres

Physics
You must be in my physics class lol
Sunday, January 29, 2012 at 6:31pm by Class

English
I made up a game for them to play and made a mental note to keep extra activities on hand for when my class finishes earlier than expected. Is this correct? It'd be better to say "in case my class..." rather than "when" My supervising teacher informed me that I speak well in ...
Tuesday, February 15, 2011 at 8:51pm by Writeacher

math repost Please Help!
Hello, In a class of 24 students, every student flips fairly two coins 40 times each and records the results. Assume that the class obtained the expected results when they conducted the experiment. a. Make a bar graph illustrating the combined class results b. explain why an ...
Sunday, February 7, 2010 at 2:40pm by joe

Calulus
Hi there I need help with one of the problem from my homework package. This week for my calculus class, we were learning how to do partial derivative and finding the tangent of the plane. So I do not know how to approach this problem. Please help me by how to derive this ...
Sunday, October 25, 2009 at 6:12pm by shylo

math
i need help with this geometry prblem my math book is online on this site: w w w . k e y m a t h . com / D G 3 the class passcode is: 1574-4c524 The chapter is 0 Lesson 0.2 pg. 9 problem number 6 URGENT !!!
Sunday, September 19, 2010 at 5:31pm by vaishnavi

math 156
36 males is 1/2 the class. But your problem states that the ratio is 2:6 or 1:3. Please try again.
Thursday, December 3, 2009 at 3:27pm by Ms. Sue

Math - Trigonometry
Thank you sir, I will take your advice. However, this problem is for an online class, and 2 does not seem to be the answer. Hmm...why?
Tuesday, October 15, 2013 at 11:12am by Sam

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