Wednesday

April 16, 2014

April 16, 2014

Post a New Question | Current Questions

**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 ...
*Thursday, October 17, 2013 at 8:58pm*

**English**

Nursery school is for children before the age of kindergarten. Kindergarten is usually for children who are at least 5 years old by a certain date (such as Sept 1st). This grade is preparation for 1st grade and onward. Day care is for children of various ages, not really ...
*Wednesday, October 16, 2013 at 7:32pm*

**Math**

as it passed the window with speed s, it will fall st+16t^2 feet in t more seconds 1.5s + 16*9/4 = 1.5s+36 feet It fell 8*12 = 96 feet, so 1.5s+36=96 s = 40 since s = 32t, t = 1.25 at the 8th floor. So, in the first 1.25 seconds, it fell 16*25/16 = 25 feet Looks like it fell ...
*Monday, October 7, 2013 at 5:06pm*

**College Math 45**

Mrs. Brown has 17 children in her first-grade class, and Mr. Lopez has 20 children in his second-grade class. The principal has been asked to select 1 student from one of the classes to appear at a PTA meeting. How many ways can the selection be made?
*Sunday, October 6, 2013 at 11:23pm*

**Math**

A 154-pound woman walks at 3.0 mph 0% grade for 5 min, runs at 5.5 mph 5% grade for 32 min. What is her total caloric expenditure?
*Sunday, October 6, 2013 at 12:54pm*

**Shurley English Grade 4**

I'm suppose to write sentences from Grade 4 Shurley English book. I was suppose to bring book home and use page 25 - I forgot the book - anyone know what is on page 25? Thanks
*Wednesday, October 2, 2013 at 5:41pm*

**Second Grade Reading**

Hello. I am a tutor. I tutor second grade students. I need a good website that will give me great tips on how I can better teach my students how to read, spell, and pronounce words. Can you please help me find a website like that?
*Saturday, September 28, 2013 at 10:42pm*

**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
*Monday, September 23, 2013 at 9:10pm*

**pre-algebra**

There are 1,400 students in a school.The number of girls is 3/4 the number of boys.How many students are in the other grade levels if 1/6 of the girls and 1/5 of the boys in first grade?
*Thursday, September 12, 2013 at 9:18pm*

**math 5th grade**

Hunter school has a kindergarten and grades 1 through 6. there are 2 kindergarten and 2 classes in each grade. If the maximum class size is 25, what is the greatest number of students that could be in the school?
*Thursday, September 12, 2013 at 8:09pm*

**Math - Ratios**

In Mrs. Sotomayor's class, the final grade is based on 6 quizzes and 2 exams. If each exam counts for 3 times as much as each of the quizzes, what fraction of the final grade is determined by each exam?
*Tuesday, September 10, 2013 at 11:03pm*

**health 5 grade**

i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...
*Friday, September 6, 2013 at 8:21pm*

**6th grade math**

They are all correct great job for not getting LCM and GCF mixed up! I used to get them mixed up all the time when I was in 6th grade.
*Wednesday, September 4, 2013 at 10:51pm*

**Math**

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
*Wednesday, September 4, 2013 at 10:47pm*

**Math**

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
*Wednesday, September 4, 2013 at 9:49pm*

**calculus book**

I don't know of any place that offers free text books. However, you might find one at a good price here. https://www.google.com/webhp?source=search_app#q=calculus+Early+Transcendentals%2C+10th+Edition+NEW!++Howard+Anton%2C+Irl+C.+Bivens%2C+Stephen+Davis+
*Thursday, August 29, 2013 at 6:17pm*

**English**

Nursery school is for children before the age of kindergarten. Kindergarten is usually for children who are at least 5 years old by a certain date (such as Sept 1st). This grade is preparation for 1st grade and onward. Day care is for children of various ages, not really ...
*Tuesday, August 20, 2013 at 4:55am*

**math**

Ez stop fast gas sold 10957 worth of gasoline yesterday. Redular grade sold for 2.30 a gallon and premium grade sold for 2.55 a gallon. If the station sold 420 more regular than premium, how many gallons of regular were sold
*Monday, August 12, 2013 at 2:12am*

**statistics**

1. I took a sample of the grade point averages for students in my class. For 25 students, the standard deviation of grade points was 0.65 and the mean was 2.89. The standard error for the sample was:
*Sunday, August 11, 2013 at 2:58am*

**business math**

18. E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular grade sold for $2.30 a gallon and premium grade sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of premium, how many gallons of regular were sold? (Points : 2)
*Thursday, August 1, 2013 at 4:25pm*

**calculus**

I have reduced that to a trivial problem. The whole point of this problem is to find out how to solve it, not to get the correct answer, although I know that this is part of the Brilliant competition and the correct answer does matter here, which simply shows that this is a ...
*Sunday, July 21, 2013 at 7:11am*

**Statistics Help !!!!**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Friday, July 19, 2013 at 2:08am*

**Statistics**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Wednesday, July 17, 2013 at 6:23am*

**Statistics**

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Tuesday, July 16, 2013 at 6:19am*

**Statistics Help !! **

Are my answers here correct ? Research questions for z test, t test for independent samples and t test for dependent samples : z test: "An investigator is interested in finding out whether the particular sample of college students is similar to or different from college ...
*Sunday, July 14, 2013 at 1:03am*

**Statistics**

The accompanying data show the number of hours, x, studied for an exam and the grade received, y (y is measured in tens; that is, y = 8 means that the grade, rounded to the nearest 10 points, is 80). x 2 3 3 4 5 5 5 6 6 6 7 7 7 7 8 y 5 5 6 5 6 7 8 6 9 8 7 9 10 8 9 Maple ...
*Sunday, May 26, 2013 at 10:05am*

**7th grade math**

I taught in a rural school in southwestern Michigan. Mostly I taught middle school English and social studies with an occasional 7th grade math class to keep me on my toes. :-)
*Monday, May 20, 2013 at 8:14pm*

**Informations**

Current GPA is your grade average for this year. The cumulative GPA is your grade average since you entered this school.
*Tuesday, May 14, 2013 at 6:05pm*

**8th Math - Probability**

no this is 8th grade math im in 8th grade and this is what were learning
*Thursday, May 2, 2013 at 6:40pm*

**Math**

x=Regular Grade y=Premium Grade x(2.30)+y(2.55)=10,957 x=y+420 y+420(2.30)+y(2.55)=10,957 2.30y+966+2.55y=10,957 4.85y+966=10,957 4.85y=9991 y=2,060 Gallons of Premium Grade x=2,060+420 x=2,480 Gallons of Regular Grade Hope this helps :)
*Wednesday, May 1, 2013 at 6:36pm*

**Math**

I'm having a hard time coming up with the right equation to solve this one. E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular grade sold for $2.30 a gallon and premium grade sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of ...
*Wednesday, May 1, 2013 at 5:47pm*

**Math**

A math class has girls and boys in the seventh grade and girls and boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Write your ...
*Wednesday, May 1, 2013 at 11:43am*

**Biology **

Is 9th grade biology hard? Is it interesting...?? I love life science but I just wondering if 9th grade biology hard??? I'm taking biology next year.
*Monday, April 29, 2013 at 7:48pm*

**maths**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question,true if heads and false if tails). What is the chance ...
*Saturday, April 27, 2013 at 3:25am*

**?**

If there are 56 questions and you miss 10 what would your grade be? Your grade would be a 81.88 I divided 100/56 and got 1.78 than I multiplied how many questions I would get right by 1.78. So 46x1.78=81.88
*Wednesday, April 24, 2013 at 5:33pm*

**statistics**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade ...
*Sunday, April 21, 2013 at 2:35pm*

**Statistics**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade ...
*Sunday, April 21, 2013 at 11:43am*

**Statistic**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade ...
*Saturday, April 20, 2013 at 10:27am*

**Statistic**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade ...
*Saturday, April 20, 2013 at 10:26am*

**science**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question, as in 4B). What is the chance that she gets an A grade ...
*Saturday, April 20, 2013 at 10:22am*

**Math**

Meagan bought a 3 liter soda and a bag of cups to a party. Each cup holds a volume of 250ml How many cups will be needed for soda 12 Ms.Baggett took a total of 3 hours to grade 120 papers Which of the following can be used to find m the number of minutes Ms.Baggett took to ...
*Wednesday, April 17, 2013 at 7:16pm*

**8th Math - Probability**

ummmmmmmmmmmm. Haha jkjk. I know the answer, but think about it... what is the point of school, if you ask someone else to do it.... Oh, and by the way, this isn't 8th grade math! This is 7th grade math, I'm just did this quiz and got 100%. Just try next time!! Its not...
*Tuesday, April 9, 2013 at 9:05pm*

**7th grade math**

There are 150 students in 7th grade. After signing up for electives for next year, the counselor posted the following data: Art - 65 students Band - 70 students Theatre - 50 students Not all students signed up for an elective. Display this data using Venn Diagrams. I do not ...
*Saturday, April 6, 2013 at 7:24pm*

**maths**

The mean grade of 10 students was 72.if 2 of the students with grades of 53,75 are cancelled. What should be the mean grade of the remaining?
*Wednesday, March 6, 2013 at 8:57pm*

**Similarity **

What is one similarity between 4th grade and 5th grade?
*Wednesday, February 27, 2013 at 8:53pm*

**writing**

For my writing, it has to be a three paragraph essay.I have to include 2 differences and 1 similarity about 4th grade vs. the 5th grade. How do I start my paragraph?
*Wednesday, February 27, 2013 at 8:11pm*

**History**

The 10th amendment basically says that any powers that the Constitution doesn't give to the federal government or keep the states from having automatically are reserved for the States. One example would be that since constitution doesn't give the federal government ...
*Tuesday, February 19, 2013 at 3:01am*

**Ms. Sue please.....**

Please delete these if you can: 1. "7th grade math Ms. Sue please last questions! Posted by Delilah on Wednesday, February 13, 2013 at 9:40pm." 2. "7th grade math please help Ms. Sue ASAP Posted by Delilah on Wednesday, February 13, 2013 at 9:19pm." 3. &...
*Friday, February 15, 2013 at 8:09pm*

**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*

**6th grade credits**

my mom keeps sayin i need like 100 credits to pass 6th grade,is this true?
*Sunday, February 10, 2013 at 6:32pm*

**6th grade credits**

my mom keeps sayin i need like 100 credits to pass 6th grade,is this true?
*Sunday, February 10, 2013 at 6:32pm*

**Math**

Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the sequence? Be sure to do more than answer the...
*Saturday, February 9, 2013 at 4:04pm*

**4th Grade Math**

so easy with a bit of algebra, but algebra in grade 4 ? so.... suppose we put the grain in 4 buckets (if we give 3 buckets to the chickens and 1 bucket to the turkeys, we do what it says) then wouldn't each bucket contain 13 pounds ? (52÷4=13) so the chickens get ...
*Monday, February 4, 2013 at 6:43pm*

**Trigonometry**

Mountain Descent A road sign at the top of a mountain indicates that for the next 4 miles the grade is 12%. Find the angle of the grade and the change in elevation for a car descending the mountain.
*Monday, February 4, 2013 at 1:45am*

** math**

franklin school has 3 boys for every 4 girls in the fifth grade.there is 140 students in the fifth grade. A. how many are boys and how many are girls??? pleassseee helpppp meeeeee!!!!
*Saturday, February 2, 2013 at 12:12pm*

**4th grade math**

In helping my 4th grade grandson last night with his math, he had problems like this 93 * 18. I asked what the asterisk meant and he said the teacher said to "figure it out"
*Wednesday, January 30, 2013 at 11:38am*

**Math**

There are 12 girls on a gymnastics team. Less than 1/4 of the girls are in second grade. How many girls on the gymnastics team could be in second grade?
*Monday, January 28, 2013 at 9:00pm*

**math**

I need to solve this problem. A teacher can grade 25 papers in 4 hours. How many papers can he grade in 6 hours?
*Tuesday, January 22, 2013 at 5:58pm*

**Math**

I was basically an English and social studies teacher in 7th and 8th grade. Occasionally, I also taught classes in 7th grade math. I taught in a small district in Michigan for 32 years.
*Thursday, January 17, 2013 at 7:50pm*

**2nd grade**

I'm in 6th grade, the answer is 4, the reason is because, 20 divided by 4=5 and 5x4=20, so the answer is,4.
*Monday, January 14, 2013 at 7:45pm*

**Math**

I'm learning series and sequences (grade 11). Please check that my steps show I understand what I'm doing/the concept and my answer as well: 5. The consecutive terms of an arithmetic sequences are 3.6, y, 8.2. Find the value of y. This seems to be a sequence question ...
*Tuesday, January 8, 2013 at 6:02pm*

**Statistic- Average**

A mean average of 60 on 6 exams is needed to pass a course. on his first 5 exams, Adam received grades of 46,73,73,63 and 70. If the lowest grade of the exams already taken is to be dropped, what grade must he receive on his last exam to get a C in the Course?
*Monday, January 7, 2013 at 6:23pm*

**statistics-?mean average with lowest number out?**

A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
*Monday, January 7, 2013 at 3:26pm*

**statistics-?mean average with lowest number out?**

A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
*Monday, January 7, 2013 at 2:46pm*

**math**

A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
*Monday, January 7, 2013 at 2:02pm*

**math help!**

Let a = first term, T1 Let b = Tn+1 - Tn = term difference a + 9b = 34 S20 = T1 + T2 + ...T19 + T20 = a + (a+b) + (a+2b) + ...(1+19b) 20a + (b)(1+2+3+...19) = 20 a + 190 b = 710 20a + 180b = 680 10 b = 30 b = 3 a = 34 -27 = 7 Arithmetic Series is 7, 10, 13, 16, 19, 22, 25, 28...
*Wednesday, January 2, 2013 at 10:06am*

**World history- does this sound okay?**

if you had to give queen Elizabeth the first a grade on the enlightenment principles what grade would you give and why? I think I would give her a B bc for the most part she was a very big influence on the enlightenment era and she enabled quite a bit for us today. she changed...
*Thursday, December 20, 2012 at 2:33pm*

**5th grade**

i am actually in 5th grade.... actually exponients are not that difficult normalised is actually simplified to the definition of 10000,00000.
*Wednesday, December 19, 2012 at 10:10pm*

**Grading**

How do you find out what your grade is on a paper? For example if there is 70 questions and you miss 10 how do you find out what your grade is? Do you subtract 70 and 10 and when you get your answer you divide it by 100?
*Tuesday, December 18, 2012 at 7:28pm*

**3rd grade math**

Help me on that question people!!!
*Monday, December 17, 2012 at 6:17pm*

**Math**

I haven't learned any of this with π incorporated into it. I think my teacher mentioned that we do it in grade 12? Radians and such... I'm in grade 11 though. This question is straight out of the textbook so I guess they did do that.. And they actually mix units ...
*Sunday, December 16, 2012 at 5:16pm*

**Chemistry :(**

Why posting the question that only need High School grade to answer? Are you Junior High School student or lower grade? If you have no intention to put some effort in your study from the start, no need to enroll and then cheat.
*Sunday, December 16, 2012 at 10:51am*

**chemistry**

Why posting the question that only need High School grade to answer? Are you Junior High School student or lower grade? If you have no intention to put some effort in your study from the start, no need to enroll and then cheat.
*Sunday, December 16, 2012 at 10:50am*

**Chemistry**

Why posting the question that only need High School grade to answer? Are you Junior High School student or lower grade? If you have no intention to put some effort in your study from the start, no need to enroll and then cheat.
*Sunday, December 16, 2012 at 10:50am*

**Science**

Why posting the question that only need High School grade to answer? Are you Junior High School student or lower grade? If you have no intention to put some effort in your study from the start, no need to enroll and then cheat.
*Sunday, December 16, 2012 at 10:49am*

**maths**

We have the formula a+(n-1)d=nth term Where a is the 1st term ,d is the difference and n is the nth term So1st term= a 2nd term= (a+1)d 3rd term= (a+2)d 5th term=(a+4)d Adding ad+2d+ad+ 4d= 38 2ad+ 6d= 38 In the same way 7th term=(a+6)d 10th term=(a+9)d Adding these 2ad+15d=...
*Monday, December 3, 2012 at 7:47am*

**Computer Science (Programming Logic And Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:18pm*

**Computer Science (Programming Logic And Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:18pm*

**Programming (CSI 150 Programming Logic and Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:14pm*

**math**

Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 75, 80, and 74. To get an B in the course, you must have an average of at ...
*Sunday, December 2, 2012 at 2:11pm*

**Programming (CSI Programming Logic and Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:10pm*

**7th grade social studies Ms. Sue please**

You're welcome. :-) I recognize those questions. I taught 7th grade geography.
*Thursday, November 29, 2012 at 7:05pm*

**4th grade**

what grade are all of you in like high school or collage you know i never got math intil now . do any of you like math?
*Wednesday, November 28, 2012 at 5:46pm*

**Algebra 1B Chapter 10 **

I'm reclassified but I'm still a 10th grader and the only class I need to take is Algebra1B So here's the problem. I'm 1990, the town of Belgrade, Montana, had a popuof of 3422. For each of the next 8 years, the population increased by 4.9% per year. a. Write ...
*Tuesday, November 27, 2012 at 4:59am*

**Algebra 1B Chapter 10 **

I'm reclassified but I'm still a 10th grader and the only class I need to take is Algebra1B So here's the problem. I'm 1990, the town of Belgrade, Montana, had a popuof of 3422. For each of the next 8 years, the population increased by 4.9% per year. a. Write ...
*Monday, November 26, 2012 at 10:38pm*

**7th grade science help the solar system Ms. Sue**

I was a 7th grade teacher im good at any subject except math
*Monday, November 26, 2012 at 12:28pm*

**math-10th**

(7x+3)/x(x+6)^2 can be simplified to (7x+3)/(x^2+6x)^2 which can be simplified to... (7x+3)/(x^4)+(6x^2)
*Sunday, November 11, 2012 at 2:04pm*

**Math - average grade**

I have a 90 average i just got a 50 on my mid-term what is my grade average?
*Saturday, November 10, 2012 at 11:38am*

**Math-approximation with fractions:7th grade math**

yeah this is sooooo hard, does anyone understand? I got to do this for problems 14.-19. Its 7th grade math work page 4.5 Anyone got the same?
*Tuesday, November 6, 2012 at 1:00pm*

**math**

12 pounds of A grade coffee and 8 pounds of B grade coffee.
*Tuesday, October 30, 2012 at 9:47am*

**5th grade math word problems**

Frank saved 50% by purchasing his airline ticket early. His wife paid full price. If their total was $294 how much was Franks's ticket only? Can someone please explain this to me in 5th grade terms.
*Wednesday, October 24, 2012 at 2:40pm*

**7th grade math Ms.Sue please**

I'm sorry, Delilah, but I didn't learn this when I was in 7th grade over 60 years ago. And I didn't take enough math after that to learn graphing.
*Sunday, October 21, 2012 at 6:33pm*

**Math**

first grade ---- x lbs 2nd grade ----- y lbs 12x + 10y = 54 ---> 6x+5y = 27 8x + 15y = 61 1st equation times 3 18x + 15y = 81 8x + 15y = 61 subtract them 10x = 20 x = 2 sub back into 6x+5y=27 12+5y=27 y = 3 1st grade is $2 per pound, 2nd grade is $3 per pound (coffee at $2 ...
*Sunday, October 21, 2012 at 1:01pm*

**Math Statistics**

The table below shows Rico’s grades during the third term in four subjects. Subject Units Grade Math 1.5 98 Science 2 97 English 1.5 95 A.P. 1 99 What was Rico’s average grade in the four subjects?
*Friday, October 19, 2012 at 11:30pm*

**Math Grade 5**

real easy with algebra .... 55+x = 4(7+x) 55+ x = 28 + 4x 27 = 3x x = 9 but grade 5 ???? make two colums of their ages, going up one at a time, until the first is 4 times the second 55 7 56 8 57 9 58 10 59 11 60 12 61 13 62 14 63 15 64 16 ---- ah, 64 = 4(16) ---> 55+9 = 4(7+9)
*Friday, October 19, 2012 at 9:24am*

**Statistic**

Number of Absences Final Grade 0 93 1 93 2 77 3 68 4 65 5 54 - Find the correlation coefficient for the data. I got this part of my answer. I believe the answer to be -0.9767 I am just going crazy with the second part. - Find the equation for the regression line for the data, ...
*Thursday, October 18, 2012 at 9:18pm*

**Algebra Grade 7**

I am trying to think how I would have done this in grade 7. I assume you have not had permutations, combinations and factorials. make a table of combinations first person shakes hands with 9 --> 9 projects second with 8 --> 8 more third with 7 --> 7 more etc 9+8+7+6+5...
*Thursday, October 18, 2012 at 5:06am*

**c++**

Your Mathematic school teacher want to use a program that can read the name and the mark of a student. Your teacher want the program to automatically find the grade of the mark and display the result(name, mark and grade). Help your teacher to develop a program that can solve ...
*Thursday, October 11, 2012 at 5:16am*

**7th Grade x y input output tables**

i need help with x and y input output tables for 7th grade i dont understand what 5x means or what to do! Math hw problems: 1. y=4x+3 x=1,2,5,10,20 2.d=3.5t t=1,2,5,10,20 Please help ASAP!!!!!
*Tuesday, October 9, 2012 at 7:14pm*

**7th grade math Ms.Sue please**

Even when I occasionally taught a section of 7th grade math over 20 years ago, irrational and real numbers were not part of our curriculum.
*Friday, October 5, 2012 at 7:45pm*

Pages: <<Prev | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | **18** | 19 | 20 | 21 | 22 | 23 | 24 | Next>>

Post a New Question | Current Questions