Saturday

December 10, 2016
**9th grade math**

simplify x^5-x^3+x^2-1-(x^3-1)(x+1)^2/(x^2-1)^2

*Wednesday, December 7, 2011 by Anne*

**Math 4th grade**

Input 15 ? 30 10 9 3 1 Output 6 18 3 9 ? 30 90

*Wednesday, December 7, 2011 by Diamond*

**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 by Linda*

**Science **

Is there any science fair contests I can partcipate??? I found this topic in gr 5th and I really want to use it for my science fair project this year but we don't have it at my school so I want to use it for a contest.

*Sunday, December 4, 2011 by Laruen *

**7th grade mayh**

Dimensional analysis 4.25L/h to mL/h

*Sunday, December 4, 2011 by Anonymous*

**7h grade math**

Deminsional analysis 4.25L/h to mL/

*Sunday, December 4, 2011 by Anonymous*

**grade 7 math**

which expression is equivalent to (n+10)x5

*Sunday, December 4, 2011 by vito*

**statistics**

If Q2 = D5 = Median Which means if the 2nd quartile equals to 5th decile and also the median.. then how do we find out the fourth decile? I mean is there a way to find it out through this? Then what is D4 going to be? I am talking about Deciles here..

*Saturday, December 3, 2011 by HM*

**8th grade science**

what does Radium bond with and what are the reactions

*Saturday, December 3, 2011 by Anonymous*

**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 by Laruen *

**7th grade math**

please help me solve n-16= -23

*Thursday, December 1, 2011 by asia*

**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 by Jennifer*

**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 by Jennifer*

**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 by Jennifer*

**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 by Jennifer*

**math 4th grade**

writing a sequence for the rule a-4=b

*Tuesday, November 29, 2011 by joe*

**7TH GRADE MATH**

please help solve -5(9K-8) + 2 (8+6K)

*Monday, November 28, 2011 by ASIA*

**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 by Laruen*

**2 grade math**

% of 0.66? Answer 66. Am I right

*Thursday, November 24, 2011 by Anonymous*

**MAth grade 8**

x+5/6 = 3x-5/8 Solve for x

*Tuesday, November 22, 2011 by 17halimk*

**MAth grade 8**

how do you convert 2 4/5 to decimals

*Tuesday, November 22, 2011 by 17halimk*

**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 by Allura *

**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 by Laruen *

**Another Question **

Is 8th grade is hard?

*Saturday, November 19, 2011 by Laruen *

**4th grade**

75-3m when m=8. Thanks!

*Friday, November 18, 2011 by Dominique*

**Linear Programming**

Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme grades. Each barrel of regular grade sells for $77 while premium grade sells for $82 per barrel and supreme grade sells for $89 per barrel. Petroleum ...

*Thursday, November 17, 2011 by Ashley*

**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 by Laruen *

**6th grade math**

which is bigger? 17/19 0r 0.85

*Monday, November 7, 2011 by Kate*

**6th grade math**

Which comparison is correct? A. < 0.05 = 50% B. 0.7 = < 10% C. < 25% < 0.9 D. 0.3 < 36% =

*Sunday, November 6, 2011 by Kate*

**7th grade math**

8/9 \1/4

*Saturday, November 5, 2011 by Aaron*

**8th grade math in pre-algebra**

6(2x+3)=42

*Friday, November 4, 2011 by Anonymous*

**8th grade math**

collect like terms 3a+2a^2+a-a^2

*Wednesday, November 2, 2011 by Hector*

**MATH 7th GRADE**

7ã3 / ã 5

*Saturday, October 29, 2011 by PLEASE HELP*

**Fourth grade math**

What's range mean?

*Thursday, October 27, 2011 by Zoe*

**MAth grade 8**

y^2-4y+4/2-6y x 2y+4/3y^2-12

*Wednesday, October 26, 2011 by Aldwin*

**Maths Grade 8**

m^2-m-6 m^2 _________ x ______ m^2-9 m^2+2m

*Wednesday, October 26, 2011 by Aldwin*

**4 grade math**

complete the following problem 4+8+7/3*72

*Monday, October 24, 2011 by Maria *

**4th grade math**

how do I find the mean of 92;96;99;103;88

*Wednesday, October 12, 2011 by carter*

**statistics**

mean wage of 5 employee is Rs.1000 of the wages of 4 emoloyee are Rs 800 rs 1200 rs 1300 rs 900.find the wages of 5th employee?

*Wednesday, October 12, 2011 by maha*

**Grade **

Ok today during social studies I got this mini progress report (it's a overview on what grade I have right now before they send our real progress report which they may send this week or next week) and like I just want to know what GPA i got. Here it is & other classes ...

*Tuesday, October 11, 2011 by Laruen *

**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 by Khizar*

**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 by deb*

**6th grade math**

what is 1/3 of 3/2? is that means multiply??? or devide???

*Thursday, September 29, 2011 by Kate*

**3RD GRADE MATH**

WHATS THE ANSWER TO 10 + ? = 20 + 110

*Tuesday, September 27, 2011 by MAJESTI*

**Algebra 9th Grade**

how would you solve this? x - 5 <(or equal too) - 8

*Tuesday, September 27, 2011 by Bryce*

**math 11 grade**

How do you do this 5a+(9)-12e*5a+(3)

*Monday, September 26, 2011 by shay*

**6th grade social studies **

what is world culture

*Thursday, September 22, 2011 by Ja'Shawn *

**Math**

what is y+19=9 plz help me i don't understand this im in 7th grade >.>

*Wednesday, September 21, 2011 by someone*

**6th grade math**

3/4x-2/3x=2/5

*Wednesday, September 21, 2011 by Carol*

**fith grade math**

well i'm trying to do 49 x27 how would you do that?

*Monday, September 19, 2011 by ashley*

**6th grade math**

but why is 2.0 bigger than 0.15?

*Thursday, September 15, 2011 by Kate*

**7th grade math**

what is a supplementary angle?

*Wednesday, September 14, 2011 by saranghae12*

**7th grade math**

what are complementary angles? Please help! Thank you!

*Wednesday, September 14, 2011 by saranghae12*

**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 by felix*

**third grade math**

Does (4+5) + 2 = 9+2? Explain

*Monday, September 12, 2011 by Alex*

**6th grade**

interview some from 9/11

*Sunday, September 11, 2011 by jonathan*

**6th grade**

describe yourself mathamatically

*Sunday, September 11, 2011 by jonathan*

**6th grade math**

60x60x24x365x186000=???

*Thursday, September 8, 2011 by kade*

**6th grade math**

2 2/3 \ 1 5/6

*Thursday, August 18, 2011 by Aaron*

**Math grade 12 **

make F(x)=3/x-11 vertical asymptote

*Saturday, August 13, 2011 by F(x)=3/x-11 vertical*

**maths**

A vampire enters a town and bites 2 person every night. The bitten 2 persons grows in to two big vampires and bites 4 persons the next night. These 4 vampires bites 6 people the next night and the 6 bites 8 and so on.......how many vampires will be there on the 5th night?

*Monday, August 8, 2011 by Anonymous*

**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 by Jen*

**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 by Jen*

**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 by Celest*

**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 by Jen*

**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 by Jen*

**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 by Jen*

**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 by Jen*

**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 by Jen*

**Math**

The table below shows the number of molecules in experiment B. Time(h) : 1st , 2nd , 3rd , 4th , 5th No. of molecules : 3 , 8 , 15 , 24, 35 (i) how many molecules will there be in nth hour? (ii) from which hour onwards would the no. of molecules be in experiment B?

*Saturday, June 18, 2011 by Smartypants*

**math**

a number story for grade 4?

*Wednesday, June 8, 2011 by tanvi verma*

**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 by saira*

**3rd grade math**

Explain how to compare 0.34 and 0.27?

*Monday, June 6, 2011 by Rae*

**science**

7th grade..... what is the function of the retina in the eye ?:)<3

*Thursday, June 2, 2011 by ruth a.*

**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 by Vic*

**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 by Vic*

**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 by JESSE*

**AP Physics**

A Young's double slit has a slit separation of 2.50x10 raised to the -5th power m on which a monochromatic light beam is directed. The resultant bright fringes on a screen 1.00 m from the double slit are separated by 2.30x10 raised to the -2nd power m. What is the ...

*Sunday, May 22, 2011 by Sydney*

**4th grade math**

Ms. Sue, so how would you write 50.90

*Sunday, May 22, 2011 by bes*

**4th grade math**

how do you write 50.09 in word form?

*Sunday, May 22, 2011 by bes*

**6th Grade Math**

76 is what percent of 15??????????????????

*Sunday, May 22, 2011 by Mbaintu*

**4th grade math**

what is the next number in the pattern 5,3,7,5,9,7,11?

*Thursday, May 19, 2011 by jennifer*

**criminal justice**

Prepare a 6–8 slide PowerPoint presentation that addresses the following questions: •What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.) •What are ...

*Wednesday, May 18, 2011 by nancy*

**Maths 7th grade**

How do you factorise?

*Tuesday, May 17, 2011 by Z*

**physics**

If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...

*Thursday, May 5, 2011 by Allison*

**Physics**

If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...

*Wednesday, May 4, 2011 by Allison*

**8th grade math**

If the sum of 1! + 2! + 3! + 4! + ... + 49! + 50! is divided by 15, what is the remainder?

*Wednesday, May 4, 2011 by Anonymous*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?

*Tuesday, May 3, 2011 by Anonymous*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?

*Tuesday, May 3, 2011 by Anonymous*

**8th grade math**

3.5 X 10 ________ 7 x 10^-9

*Sunday, May 1, 2011 by john*

**math **

find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.

*Thursday, April 28, 2011 by kim*

**math**

simplify, 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.

*Thursday, April 28, 2011 by kim*

**math**

4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power

*Thursday, April 28, 2011 by kim*

**math**

There are 283 students in Walley's school and 59 of them are in the sixth grade. What is the approximate percent of student at Walley's school who are in the sixth grade

*Wednesday, April 20, 2011 by Mecca*

**math**

An average score of 90 or above in a history class receives an A grade. You have scores of 90, 89, and 85 on three exams. Find the range of scores on the fourth exam that will give you an A grade for the course. (Let N stand for your score on the fourth exam.)

*Wednesday, April 20, 2011 by lucy*

**math algebara 8th grade**

system of equations thank you 2x+3y-17 3x+y=31 2(x-3y)=24 y=3x-2 2(x+4)=24 x+y=17

*Wednesday, April 20, 2011 by amey*

**Stat**

P(A)=.10, P(B)=.30, P(C)=.40, P(D)=.10, P(F)=.10. Determined the expected grade and variance for the course.

*Sunday, April 17, 2011 by RB*

**grade nine math Polynomials**

4s + 3 -s = -6

*Wednesday, April 13, 2011 by peyton*

**4th grade math**

write the digit 5's value

*Tuesday, April 12, 2011 by megajolt*

**grade 9 math**

Does this answer seem correct. 2k+3=4k-5 2k-4k+3-3=-5-3 2k-4k=-5-3 -2k/-2k = -8/2 k=4

*Tuesday, April 12, 2011 by brooke*