Saturday

November 28, 2015
**DEsperate to undertsand-Chemistry**

The pressure of gas is measured at 550 mm Hg. Calculate the pressure in a. Torr b. lb/in2 c. atm d. in Hg How do I set up these conversions to get the [prper calcu;ations...step by step? This is the 3rd time zzzzzzzIve posted this question and I need to know how to get the ...
*Friday, May 4, 2012 by KL*

**chemistry**

1 the mass of one mole of electron is ...... mg. 2 copper(I) ions contains .......... electrons in its 3rd orbitals 3 if both K and L shells of an atom are full,what is the total number of electrons contained in them? 4 what is maximum number of electrons which can be ...
*Friday, May 4, 2012 by pooja*

**2nd grade math**

4/6 of 18 is?
*Monday, April 30, 2012 by Joei*

**statistics**

assume adults have an IQ score that are normally distrubted with a mean of 105 and standard deviation of 20 A) find the percentage of adults that have an IQ between 94 and 116 B) find the percentage of adults IQ exceeding 120 C)Determine the 1st, 2nd, and 3rd quartiles for ...
*Friday, April 27, 2012 by VICTORIA*

**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 by Rezu*

**Algebra**

help me solve this exponential problem P to the 3rd power times q 5 over 2 all over q to the 2nd power times r to the negative 6.
*Tuesday, April 24, 2012 by jeremy*

**physics**

3 boys pulling at the end of 3 ropes held together on a knot. one boy pulls with a force of 20 Newton eastward, while a 2nd boy pulls with the same magnitude force northward. in what direction and with what force must a 3rd boy be pulling if his pull of the knot is to be equal...
*Wednesday, April 18, 2012 by sarah grace santiago*

**to ms.sue**

thank you. how do you know im in 4th grade?
*Tuesday, April 17, 2012 by Celest*

**reading**

the story's theme is huge jobs require huge effort, its lots of fun to be a lumberjack, large people have good hearts, or logging can be dangerous i put the 3rd one (its about the story Paul Bunyan).
*Sunday, April 15, 2012 by Gabby ( 5 grade)*

**Math 8th Grade**

What is the y-int of the graph of 4x+2y=12
*Tuesday, April 10, 2012 by Lana Von Monroe*

**Math**

If I missed 24 problems out of 40, what is my grade?
*Tuesday, April 3, 2012 by Mattie*

**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 by Leslie*

**6th grade math**

35/(2+5)(2^3)-15
*Wednesday, March 28, 2012 by Katie*

**Math**

Mathew has received $1 the first week, $3 the 2nd week, $5 the 3rd week and so on until he has received a total of $1 000 000. What amount did he receive the last week?
*Thursday, March 22, 2012 by Sim*

**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 by Anonymous*

**Spanish-3rd question**

Cuáles son de espectáculo que te gusta? El circo es el espectáculo que me gusta.
*Tuesday, March 13, 2012 by Tiffany*

**4th grade math**

what is 5/6 of 288
*Monday, March 12, 2012 by zoe *

**4th grade math**

what is 5/6 of 288
*Monday, March 12, 2012 by zoe *

**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 by Remy *

**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 by i.am..running.from.myself*

**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 by festus*

**math 2nd grade**

what is 3/5 of 10? what is 1/3 of 12?
*Monday, March 5, 2012 by ashley*

**6th Grade History**

What is the crucifixion?
*Monday, March 5, 2012 by running.from.myself*

**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 health**

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

**stats**

The sponosor of a local soccer tournament is responsible for writting an article for the local paper announcing the 1st, 2nd, 3rd place winners.If 10 teamsare invited to the tournament, ans th sponsor wanted to get the article written in adance so it can go out in the next ...
*Monday, February 20, 2012 by tim*

**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*

**Math**

A cube has all sides with a length of 7k^9n^8. The volume of a cube is found by raising the length of one side of the 3rd power. What is the final value of the coefficient when simplifying the expression? Is the answer 343?
*Wednesday, February 15, 2012 by Jane*

**arithmetic**

the sum of the 3rd and the 4th term is 44 and the sum of the 10th and the 15th term is 203. what is the sum up to the 20th term?
*Tuesday, February 7, 2012 by linda*

**math for elementry school teacher**

Step 1st: 1 Box Step 2nd: 3 Boxes Step 3rd: 6 Boxes How many boxes in the 354th version? How many in the nth version?
*Sunday, February 5, 2012 by deadlove*

**English 7 - Journal Entry Check**

English Homework: Journal Entry Due Tomorrow Topic - Dicuss a time when you made a decison to do something (Determination), and perservered as a result. Please check my journal entry to see if it's good. Determination When I first came in the 7th grade at (school name), I ...
*Thursday, February 2, 2012 by Laruen *

**7th grade science**

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

**6th grade math**

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

**math**

in 2nd year Adam owed $ 977.53, in the 3rd year he owed $ 1036.18 and in the 4th year he owed $1098.35 how much was the loan originally, and determine the future value of the loan after 10 years
*Thursday, January 19, 2012 by Annie*

**Math**

The endpoints of one diagonal of a The The endpoints of one diagonal of a rhombus are (0, -8) and (8, -4). If the coordinates of the 3rd vertex are (1, 0), what are the coordinates of the 4th vertex? (7, -12) (7, -8) (-8, -4) (-4, -12)
*Wednesday, January 18, 2012 by Justin*

**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*

**Spanish-Please check SraJMcGin**

Hi, I redid some of the answers as suggested yesterday from someone who responded to my post. Could you please see if I did them correctly-Thank you- I made the corrections-someone yesterday redid a question but the questions shouldn't be redone-that's my homework-the ...
*Thursday, January 5, 2012 by Sophie*

**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 *

**physics**

A guitar string 75.0cm in length is strung to play the note C at a frequency of 880Hz as it 3rd harmonic. a.) what is the length of the transverse wave on the guitar string? b) what is the speed of this transverse wave along the guitar string? c.) what is the length of the ...
*Monday, December 26, 2011 by sand*

**algebra**

amys bowling score in her 3rd game was 10 less that her score in her first game and 5 more than her second game. The total points of all 3 games were 275. What is the highest number of points she could have scored in her first game?
*Friday, December 9, 2011 by Anonymous*

**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*

**algebra**

This is a project called guess your card. there are 3 people playing and you. We are drawing only numbers from 1 to 9. Each person draws 3 cards and puts them on their foreheads facing out. 1 has a 1,3,7 next person has 3,4,7 and 3rd person has 4,6,8. What cards do I have. ...
*Sunday, December 4, 2011 by Sean*

**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*

**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*

**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*

**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*

**calculus**

a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a water viaduct has a ...
*Thursday, November 17, 2011 by robert*

**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*

**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*

**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*

**Math**

There are 3 spider webs. The 1st web is twice as large as the second web. The 3rd web is 3 inches larger than the 1st web. The combined width of the 3 webs is 1 foot 6 in. How long is each web?
*Thursday, October 20, 2011 by Dena*

**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*

**Algebra Question**

Luisa ran 3 miles on the 3rd day of a month, and she repeated her run every 4 days for the rest of the month. What equation describes the sequence of days of that month that Luisa ran? --- I have no idea how to begin this.
*Tuesday, October 11, 2011 by Dab*

**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*

**healthcare**

required annually pap smear: government is limiting those who have medicaid only to recevie the pap smear only every 3rd year but those you have private insurance it will cover it annually . what do you think opinions
*Saturday, October 8, 2011 by jessica*

**3rd**

to the nearest ten, a jar contains 60 marbels. What is the least number os marbels that can be in the jar? What is the greatest number?
*Friday, October 7, 2011 by nath*

**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*

**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*

**math 11 grade**

How do you do this 5a+(9)-12e*5a+(3)
*Monday, September 26, 2011 by shay*

**6th grade math**

3/4x-2/3x=2/5
*Wednesday, September 21, 2011 by Carol*

**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*

**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*