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January 31, 2015

January 31, 2015

Post a New Question | Current Questions

**Economics**

Brian is taking three courses this semester: economics, statistics, and finance. He has decided to spend 19 hours per week studying (in addition to attending all his classes) and his objective is to maximize his average grade, which means maximizing the total of his grades in ...
*Monday, August 27, 2012 at 3:29pm*

**math**

not sure if this had to do with math but my professor gave us this last hw assignment that i don't understand at all. It has to do with the grade scaling he does. 4x Exams = 37450 HW = 9362 Final = 16385 Lab = 23407 Recitation = 7022 Total Points = 93626 He asks whats the ...
*Thursday, July 5, 2012 at 8:35pm*

**Algebra**

The final grade for a particular course is calculated by dividing total points earned by total points available. There are 120 points available in the first half of the course, and 140 points in the second half of the course. If a student earns 81% in the first half of the ...
*Monday, May 28, 2012 at 12:46pm*

**11th grade math**

-2x+7+9x-4
*Thursday, May 24, 2012 at 10:51am*

**8 grade**

27.6 x 5.2 my answer is 138.00 is this right
*Monday, May 21, 2012 at 5:54pm*

**6 grade math**

Can you help me with this integer problem? -8+6+(-10)+(-2)*(-10) is it 8????
*Tuesday, May 15, 2012 at 6:17pm*

**english**

hey I'm a 9th grader and my english teacher give me a summative homework about rumors. He need us to write a problem that happen in school and also want us to answer or solve the problem about rumors.. I need help with it because I know nothing about rumors..
*Monday, April 30, 2012 at 7:10pm*

**2nd grade math**

4/6 of 18 is?
*Monday, April 30, 2012 at 5:23pm*

**Math**

After a Math test, each of the twenty-five students in the class got a peek at the teacher's grade sheet. Each student noticed five A's. No student saw all the grades and no student saw his or her own grade. What is the minimum number of students who scored A on the ...
*Thursday, April 26, 2012 at 5:24pm*

**to ms.sue**

thank you. how do you know im in 4th grade?
*Tuesday, April 17, 2012 at 6:07pm*

**Math**

Of the 300 tickets 240 were sold to sixth grade studentss What percent of the total number of tickets sold were sold sixth grade students
*Saturday, March 31, 2012 at 10:51pm*

**Math (9th)**

A classroom contained an equal number of boys and girls. Eight girls left to play hockey, leaving twice as many boys as girls in the classsroom. What was the original number of students present? 32 students? In a recent election at the Dr. John Hugh Gillis High School, Susie ...
*Thursday, March 29, 2012 at 7:34pm*

**6th grade math**

35/(2+5)(2^3)-15
*Wednesday, March 28, 2012 at 9:49pm*

**statistics**

Calculate the z-score for each set of data. Determine who did better on her respective test, Tonya or Lisa. Student English Test Grade z-Score Student Math Test Grade z-Score John 82 Jim 81 Julie 88 Jordan 85 Samuel 90 Saye 79 Tonya 86 Lisa 82 Mean 86.50 81.75 St. Dev. 3.42 2...
*Thursday, March 22, 2012 at 3:03pm*

**4th grade math**

what is 5/6 of 288
*Monday, March 12, 2012 at 3:20pm*

**4th grade math**

what is 5/6 of 288
*Monday, March 12, 2012 at 2:50pm*

**Math - HELP !**

there are 50 students in the seventh grade , 62 percent of these students are involved in the drama club.how many seventh grade students are in the drama club ?
*Saturday, March 10, 2012 at 11:15pm*

**1st grade**

I am helping my little sister. SHe is in the first grade and learning about Abraham Lincoln. Her questions are- 1. What year was Abe president. What year did he die. 2. How old was he when he died? 3. When did he marry ____. Who did he marry. 4. Who made the first flag? 5. ...
*Friday, March 9, 2012 at 1:55pm*

**maths**

the sum of the 4th and 6th terms of an A.P is 42. the sum of the 3rd and 9th terms of the progression is 52. find the first term, the common difference and the sum of the first ten terms of the progression.
*Wednesday, March 7, 2012 at 3:46am*

**math 2nd grade**

what is 3/5 of 10? what is 1/3 of 12?
*Monday, March 5, 2012 at 10:58pm*

**6th Grade History**

What is the crucifixion?
*Monday, March 5, 2012 at 3:46pm*

**4th grade**

8+4
*Tuesday, February 28, 2012 at 9:20am*

**statistics**

12. A statistics student received a grade of 85 on a statistics midterm. If the corresponding z score equaled +1.50, and the standard deviation equaled 7, what was the average grade on this exam? a. 95.5 b. 74.5 c. 78.0 d. Cannot determine without knowing how many took the ...
*Sunday, February 26, 2012 at 3:08pm*

**Math**

Every 6th customer gets a coupon for juice and every 9th gets a coupon for snacks get a coupon for snacks which customer is the first to get both?
*Thursday, February 16, 2012 at 9:15pm*

**statistics**

2. The grades on a statistics midterm exam were normally distributed with a mean of 72 and a standard deviation of 8. a. What is the proportion of students received a B grade. b. What is the proportion of students that failed the exam? c. What is the grade of the 92nd ...
*Thursday, February 16, 2012 at 6:49am*

**math**

If every 6th customer gets a coupon for free fruit snacks and every 9th customer gets a coupon for free fruit juice which customer will be the first to get both free fruit and free juice?
*Tuesday, February 7, 2012 at 10:23pm*

**6th grade math**

how to solve w/3=17
*Sunday, January 22, 2012 at 9:30pm*

**6th grade math**

1/4 * 1/2 =4D
*Monday, January 16, 2012 at 6:46pm*

** 5 th grade algebra**

5a-a-2a=18
*Saturday, January 14, 2012 at 10:17pm*

**Math - Arithmetic Sequences**

The sum of the 4th and the 14th term of an arithmetic sequence equals 22. The 9th term is 4 larger than the 4th term. Calculate the first term of the sequence. I've been trying to solve this for like an hour but I just can't figure out how to do it! I'd really ...
*Saturday, January 14, 2012 at 3:35pm*

**university of phoenix**

The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th percentile d. 90th percentile e. 99.9th ...
*Wednesday, January 4, 2012 at 11:34pm*

**math**

week 1 3 miles week 2 7 miles week 3 11 miles week 4 15 miles sophia predicted that jhon will run 32 miles during 9th week. use words symbols or numbers to explain wether sophia's prediction is correct
*Monday, January 2, 2012 at 3:55pm*

**Question **

I'M CURIOS SO DON'T JUST JUDGE ME AND BE RUDE i'M REALLY CURIOUS AND i FORGOT TO ASKED THIS QUESTION. DO NOT JUDGE ME!!!! Do I start taking SAT's and ACT's in grade 10th or 11th/12th grade???? I'm really curious.
*Friday, December 30, 2011 at 12:29pm*

**Statistics**

2. You are given the following data. Number of Absences Final Grade 0 93 1 90 2 79 3 66 4 60 5 56 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days. Show all ...
*Friday, December 30, 2011 at 12:31am*

**THE TWILIGHT ACADEMY????? **

The Twilight acamdy program is an evening alternative program offered at each hs and designed to meet the needs of at-risk students in gr 9th-12th who will benefit from a smaller academic environment. Students are offered all regents coures nessary for graduation, as well as ...
*Sunday, December 18, 2011 at 2:17pm*

**Statistics**

. You are running an a single variable ANOVA with five levels of the variable, such as comparing IQ on 5th, 6th, 7th, 8th and 9th graders and the F-value is very large. The significance for the F value is equal to .0003. What can you conclude about the overall effect and what...
*Tuesday, December 6, 2011 at 8:43pm*

**grade 7 math**

which expression is equivalent to (n+10)x5
*Sunday, December 4, 2011 at 11:06am*

**SAT's and ACT's **

How to pass the SAT's and ACT'S for the John Hopkins Talent Search? Here are the grade chart. Awards Ceremony Eligibility Chart (valid for students who tested by June 30, 2011) SAT Grade 7 Math >=550 or Critical Reading >=550 ACT Grade 7 Math >=21 or Reading &...
*Friday, December 2, 2011 at 7:25pm*

**math**

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ___________ > 4 x is her last score which has not been taken. ...
*Wednesday, November 30, 2011 at 6:49pm*

**math**

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ----------- > or = to 85 4 x is her last score which has not ...
*Tuesday, November 29, 2011 at 11:20pm*

**algebra**

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken. Explain this equation and ...
*Tuesday, November 29, 2011 at 9:43pm*

**math**

Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken. Explain this equation and ...
*Tuesday, November 29, 2011 at 8:43pm*

**Plz Help **

You I'm entering this contest Scholastic Arts and Writing Award, and I'm a bit confused so I have to register online, then fill out a form since I'm doing it and mail my art work and writing in???? I check the site but I'm confused. I'm in 7th grade by the ...
*Sunday, November 27, 2011 at 10:04am*

**2 grade math**

% of 0.66? Answer 66. Am I right
*Thursday, November 24, 2011 at 11:10am*

**MAth grade 8**

x+5/6 = 3x-5/8 Solve for x
*Tuesday, November 22, 2011 at 8:02am*

**MAth grade 8**

how do you convert 2 4/5 to decimals
*Tuesday, November 22, 2011 at 7:37am*

**world history**

I need to put these history dates in Chronological order to fill out a history chart on Buddhism. I am not sure the correct order and don't want to get the whole chart wrong. Please help. 5th century B.C.E. 350 C.E. 500 C.E. 819 C.E. Early 9th century C.E. 845 C.E. What is...
*Sunday, November 20, 2011 at 10:55pm*

**My Award Binder**

I have a award binder to keep all of my award from 1st grade to now and I need ideas to organize it and make it pretty. I don't have any award from 7th grade but my pricipal said that I will have a lot of awards (as I was walking to go to the library during my lunch period...
*Saturday, November 19, 2011 at 7:21pm*

**My Awards (to share with teachers) **

1st Grade participation in summer reading and math program ------ 3rd Grade 2nd place in primary spelling bee Certificate of Achievement: Math, Music, Good Citizenship, Student of the month - June (4 awards) ---- 4th Grade Parp Ribbin Headliners Science Fair (scientific ...
*Saturday, November 19, 2011 at 3:27pm*

**Another Question **

Is 8th grade is hard?
*Saturday, November 19, 2011 at 10:12am*

**4th grade**

75-3m when m=8. Thanks!
*Friday, November 18, 2011 at 12:07am*

**8th Grade Help **

My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she needs ...
*Tuesday, November 8, 2011 at 12:03pm*

**6th grade math**

which is bigger? 17/19 0r 0.85
*Monday, November 7, 2011 at 7:45pm*

**7th grade math**

8/9 \1/4
*Saturday, November 5, 2011 at 7:53pm*

**MATH 7th GRADE**

7ã3 / ã 5
*Saturday, October 29, 2011 at 9:21pm*

**MAth grade 8**

y^2-4y+4/2-6y x 2y+4/3y^2-12
*Wednesday, October 26, 2011 at 10:04am*

**Maths Grade 8**

m^2-m-6 m^2 _________ x ______ m^2-9 m^2+2m
*Wednesday, October 26, 2011 at 9:44am*

**PLZ HELP....STATS**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
*Sunday, October 23, 2011 at 11:52pm*

**Stats**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
*Sunday, October 23, 2011 at 1:04pm*

**Math**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
*Friday, October 21, 2011 at 3:03pm*

**physics**

After a jump, a skydiver reaches terminal speed in 10 seconds. Does he gain more speed during the first second of fall or the ninth second of fall? which of these two seconds (1st or 9th) will he fall the greater distance?
*Wednesday, October 19, 2011 at 5:47pm*

**math**

the number of 5th grade students in a school is a prime number greater than 50.What is the least number of 5th grade students there could be in a school
*Thursday, October 13, 2011 at 5:05pm*

**math**

the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade
*Wednesday, October 12, 2011 at 8:08pm*

**math**

Studies have shown a particular television commercial is understood by 25% of first grade students and 80% of fourth grade students. If a television advertising agency randomly selects one first grader and one fourth grader, what is the probability neither child would ...
*Tuesday, October 11, 2011 at 12:05am*

**Economics**

The schedule below shows the level of output that can be produced using different levels of input. A unit of input costs $80 and the fixed costs of running your business are $50. Input Output 0 0 1 2 2 6 3 9 4 11 5 12 1. What is your AVC of producing 11 units of output? ...
*Saturday, October 8, 2011 at 12:16am*

**5th Grade Math**

I just wanted to Thank you Ms. Sue for the help my son is in 5th grade and some of his homework i don't understand, and i don't want him to turn it in wrong. So if i have more of an understanding then i can help him more with his homework so he gets a better ...
*Tuesday, October 4, 2011 at 9:58pm*

**social psy**

) Researcher wants to look at the correlation between class attendance and grade in class (higher numbers indicating a higher grade). The researcher found the following result r = .82. The correlation coefficient tells researchers two pieces of information, the strength of the...
*Monday, October 3, 2011 at 2:23pm*

**math 11 grade**

How do you do this 5a+(9)-12e*5a+(3)
*Monday, September 26, 2011 at 9:10pm*

**6th grade math**

3/4x-2/3x=2/5
*Wednesday, September 21, 2011 at 4:44pm*

**Physics - HELP! PLEASE**

The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x I am having ...
*Sunday, September 18, 2011 at 12:55pm*

**5th grade algebra**

4h=31-3 h=?
*Thursday, September 15, 2011 at 8:18pm*

**6th grade math**

but why is 2.0 bigger than 0.15?
*Thursday, September 15, 2011 at 4:15pm*

**math**

Polk Elementary School has three classes for each grade level,kindergarten through fifth grade.If there is an average of 27 students per classroom,about how many students attend Polk Elementary School?
*Wednesday, September 14, 2011 at 2:55pm*

**Math Block Problem**

A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
*Tuesday, September 13, 2011 at 8:40pm*

**MATH**

A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
*Tuesday, September 13, 2011 at 7:53pm*

**MATH Word Problem**

A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
*Tuesday, September 13, 2011 at 4:06pm*

**Math Help**

A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
*Tuesday, September 13, 2011 at 10:32am*

**Arithmetic Sequence**

A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
*Monday, September 12, 2011 at 11:42pm*

**third grade math**

Does (4+5) + 2 = 9+2? Explain
*Monday, September 12, 2011 at 7:29pm*

**6th grade**

interview some from 9/11
*Sunday, September 11, 2011 at 3:57pm*

**6th grade math**

60x60x24x365x186000=???
*Thursday, September 8, 2011 at 9:21am*

**6th grade math**

2 2/3 \ 1 5/6
*Thursday, August 18, 2011 at 7:31pm*

**math**

on his first exam, he studied for 10 hours and went to tell the mall for 4hours, and got a score of 85. how long should he study to get a grade of 96 and go to the mall for 17 hours? grade varies directly with studying and inversely with going to the mall. is the answer 48hrs?
*Tuesday, August 2, 2011 at 12:30pm*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*Wednesday, July 20, 2011 at 10:08am*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*Tuesday, July 19, 2011 at 5:30pm*

**Math-Please help :(**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Thursday, July 14, 2011 at 10:42pm*

**stats**

Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. - Find the equation for...
*Thursday, July 14, 2011 at 9:21pm*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Thursday, July 14, 2011 at 6:13pm*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Thursday, July 14, 2011 at 4:48pm*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Wednesday, July 13, 2011 at 8:06pm*

**Math-geometry**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Wednesday, July 13, 2011 at 6:39pm*

**Math-geometry**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
*Tuesday, July 12, 2011 at 12:00am*

**math**

a number story for grade 4?
*Wednesday, June 8, 2011 at 3:19am*

**math grade 5**

My sister in grade 5 needs help but i dunt exactly know how to do the answers myself, so if someone can help me out i can explain to her better. Thanks 3. You are using a tree diagram with 12 branches to show the possible outcome of a probability experiment What might the ...
*Monday, June 6, 2011 at 8:55pm*

**MAT/116**

I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
*Monday, May 30, 2011 at 12:26am*

**MAT/116**

I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...
*Sunday, May 29, 2011 at 11:55pm*

**math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*Sunday, May 29, 2011 at 7:57pm*

**school in general**

Hi i have a question im currently in 7th grade but i was held back a year in first do you think there would be any possible way to advance to 8th grade just curios I believe I have a wide enough knowledge span to pull it off but im just questioning the wheter or not it would ...
*Friday, May 27, 2011 at 6:48pm*

**math**

JUstin and Hannah Both get jobs at McBurgers. Justin started on Sunday and gets every 9th day off. Hannah started the very next day and gets every 6 th day off. Justin would like to ask Hannah out on a date when they both have the day off from work. How many days will Justin ...
*Thursday, May 26, 2011 at 7:00pm*

**math**

i'm in 5th grade what is 9/26 with a remander
*Monday, May 23, 2011 at 6:24pm*

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