Thursday

February 11, 2016
**math**

In polk middle school, 45% of the students are 6th graders, 35% of the students are 7th graders and the remainder are 8th graders. Would a circle graph of this data that had 3 sections each with a central of 120% be misleading?
*Wednesday, February 29, 2012 by Adam*

**4th grade**

8+4
*Tuesday, February 28, 2012 by Leena*

**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 by tim*

**7th grade science**

definition of cell cycle
*Thursday, February 23, 2012 by saranghae12*

**7th grade health**

What does anemic mean?
*Tuesday, February 21, 2012 by saranghae12*

**Physics**

On June 9, 1988, Sergei Bubka broke the world pole-vaulting record for the 8th time in four years by attaining a height of 6.14 m. How long was Bubka in the air for this record setting vault?
*Monday, February 20, 2012 by Anonymous*

**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 by kabita*

**Maths**

The 3rd term of an AP is 10 more than the first term while the fifth term is 15 more than the second term.find the sum of the 8th and 15 term of AP.if the 7th term is seven times the first term.
*Wednesday, February 15, 2012 by Magana*

**3 grade math**

Is a trapezoid also a parallelogram? Explain why or why not.
*Tuesday, February 14, 2012 by Dk*

**math**

Looking at a table of numbers and there is a pattern starting with the number 501, then shaded numbers every 8th number starting with 509. How do I use place value to describe how the numbers change?
*Monday, February 13, 2012 by Jordan*

**6th grade science**

what are the four phases of mitosis??? -------,-------,-------,-------
*Sunday, February 5, 2012 by kate*

**10th grade Math --Shadow-Pull questions**

AC=12 Db=32 AD=x
*Sunday, February 5, 2012 by Mike*

**Reading**

What is a 6th grade definition for the word "Seraph"
*Monday, January 30, 2012 by Juliana*

**7th grade science**

What are mass extinctions?
*Sunday, January 29, 2012 by saranghae12*

**math**

3rd grade create an algorithm that has a difference of 20
*Thursday, January 26, 2012 by Ali*

**math**

John checks every 8th item for color, and Colin checks every 12th item for durability. If 1,920 items passed by both of them, how many items were checked by both John and colin? How do I figure this?
*Wednesday, January 25, 2012 by Linda*

**6th grade math**

how to solve w/3=17
*Sunday, January 22, 2012 by Isaiah*

**12th Grade Calculus **

how will you multiply y = ae^3x + be^-2x with dy/dx = 3ae^3x - 2be^-2x
*Sunday, January 22, 2012 by Akash*

**arithmetic**

the sum of the 4th and 8th terms is 10, and the sum of the 6th and 12th terms is 22. Find the first three terms.
*Thursday, January 19, 2012 by esa*

**6th grade math**

1/4 * 1/2 =4D
*Monday, January 16, 2012 by kirsten*

** 5 th grade algebra**

5a-a-2a=18
*Saturday, January 14, 2012 by kennady*

**4th grade math**

What are 3/7,1/9,and 2/3 all realated to?
*Thursday, January 12, 2012 by Ivana*

**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 by Lauren *

**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 by Lauren *

**pre-algebra**

find the product: (4k to the 5th power)(-2k)to the 3rd power. 5th power is inside the parenthesis and the 3rd is outside the parenthesis. Is it -32k to the 8th power or -32k to the 2nd power?
*Sunday, December 18, 2011 by Linda*

**math 6th grade**

How to write out 10 the negative 6?
*Wednesday, December 14, 2011 by Bob*

**Math Grade 3**

what happen when you divide a 3 -digit number by 10
*Monday, December 12, 2011 by Hong*

**Math Grade 3**

what happen when you divide a 3 -digit number by 10
*Monday, December 12, 2011 by Hong*

**algebra 2nd grade**

find the missing number 42-9=43-
*Monday, December 12, 2011 by carol*

**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*

**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*

**Talent Search **

If you don't do talent search in gr 7th can I still do it in gr 8th???? Ok me and my friend are having a problem like she saying that I can't do it this year which I'm not but she said I can't do it next year. Ok that's unfair I'm going to do very well ...
*Sunday, December 4, 2011 by Laruen *

**grade 7 math**

which expression is equivalent to (n+10)x5
*Sunday, December 4, 2011 by vito*

**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*

**business math**

Vail Ski Shop received a $1,201 invoice dated July 8th wiht 2/10, 1/15, n/60 terms. On July 22, Vail sent a $485 partial payment. What credit should Vail receive? What is Vail's outstanding balance?
*Monday, November 28, 2011 by andrea*

**business math**

Vail Ski Shop received a $1,201 invoice dated July 8th wiht 2/10, 1/15, n/60 terms. On July 22, Vail sent a $485 partial payment. What credit should Vail receive? What is Vail's outstanding balance?
*Monday, November 28, 2011 by andrea*

**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*

**math**

Vail Ski Shop received a $1,201 invoice dated July 8th wiht 2/10, 1/15, n/60 terms. On July 22, Vail sent a $485 partial payment. What credit should Vail receive? What is Vail's outstanding balance?
*Saturday, November 26, 2011 by andrea*

**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*

**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 *

**Valedictorian/Salutatorians ????**

What is Valedictorian/Salutatorians award? Do 8th graders get one???? How do you get Valedictorian/Salutatorians award???
*Saturday, November 19, 2011 by Laruen *

**4th grade**

75-3m when m=8. Thanks!
*Friday, November 18, 2011 by Dominique*

**Spanish 8th grade**

I have to put these in the past tense-Are they correct? 1. Tú hablas por teléfono. Tú habaste por teléfono. 2. Nosostros bailamos mucho los fines de semana. This would be the same in past tense, I think?? 3. Tú y yo cantamos los domingos. ...
*Wednesday, November 16, 2011 by Tim*

**Spanish 8th grade**

I have to put these in the past tense-Are they correct? 1. Tú hablas por teléfono. Tú habaste por teléfono. 2. Nosostros bailamos mucho los fines de semana. This would be the same in past tense, I think?? 3. Tú y yo cantamos los domingos. ...
*Wednesday, November 16, 2011 by Timothy*

**math**

A team is made up of 6th 7th and 8th graders in the ratio of 234. How many 6th graders will be on a 36member team?
*Thursday, November 10, 2011 by brandon*

**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*

**arithmetic**

The 8th term of an A P is 5times the third term while the 7th term is 9 greater than the 4th term.what are the first five term
*Friday, November 4, 2011 by Anonymous*

**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 *

**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 by Jennifer*

**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 by Jennifer*

**algebra**

Maria has 16 shirts and 3/8th of them are red so how many shirts are red.?
*Saturday, October 22, 2011 by Marisa*

**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 by Jen*

**5th Grade Science**

Creation of landforms??
*Thursday, October 20, 2011 by Julie*

**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 by clayton*

**4th grade math**

how do I find the mean of 92;96;99;103;88
*Wednesday, October 12, 2011 by carter*

**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*

**5th Grade Math**

what fraction is the largest? 3 2/3 or 3 3/4 or 3 1/2 or 3 3/5?
*Tuesday, October 4, 2011 by Nicole*

**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 by Nicole*

**5th Grade MATH!**

in Which set is 2/3 of the numbers composite? a. 21,29,15,9,27,30 b.18,5,19,33,23,20 c.10,28,21,35,19,11 d.34,12,16,32,22,8
*Tuesday, October 4, 2011 by Anonymous*

**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 dont 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*

**Calculus**

Hard rubber ball is thrown down from a building with a height of 5 metres. After each bounce, the ball rises to 4/5 of its previous height. Total vertical distance d ball has travelled at the moment it hits the ground for the 8th time, to the nearest 10th of a metre, is.....
*Sunday, September 18, 2011 by Anonymous*

**5th grade algebra**

4h=31-3 h=?
*Thursday, September 15, 2011 by Dacia*

**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*

**5th grade math**

what are the divisidles rules
*Tuesday, September 13, 2011 by amber*

**5th grade math**

what are the divisidles rules
*Tuesday, September 13, 2011 by amber*

**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*

**math 5th grade**

What are the multiplication combinations for 180?
*Monday, September 5, 2011 by andy*