Sunday

September 25, 2016
**Chemistry-help needed**

Can we use an ACS/AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

*Monday, February 21, 2011 by candy*

**Chemistry-pls help**

Can we use an AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

*Thursday, February 17, 2011 by candy*

**Chemistry-help needed**

Can we use an AR grade chemical for UV spectrometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

*Thursday, February 17, 2011 by candy*

**8th grade math**

Jessica is creating a heart-shaped card to give to her valentine. She has folded a square piece of paper in half and traced the pattern onto one half of the folded paper. The pattern consists of a right triangle with hypotenuse of length 7 1/2 inches and a semi-circle with a ...

*Wednesday, February 16, 2011 by Anonymous*

**5tth grade math**

every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines.How many students are in the class.

*Thursday, February 10, 2011 by tryston*

**Spanish-8th grade**

Could someone please check if I answered these questions correctly? Thank you Please let me know if I did anything wrong. ¿Hay un supermercado cerca de tu casa? Si, hay un supermercado cerca de mi casa. ¿Qué necesitas hacer hoy? Necesito estudiar hoy. &...

*Wednesday, February 9, 2011 by Jessie*

**8th grade math**

According to one survey, the number of consumers who planned to purchase a television for the purposes of viewing the Super Bowl rose from 1.4 million in 2005 to 4.5 million in 2011. Suppose that in 2005 the average purchase price for a television was $935. In 2011 the average...

*Wednesday, February 9, 2011 by Anonymous*

**8th grade Math**

Penelope created a game using a bag of 26 tiles, each with a different letter of the alphabet written on it. She uses a stopwatch to time how fast she can create one 5-letter word from a set of five randomly selected letters. To play this game Penelope randomly draws a letter ...

*Tuesday, February 1, 2011 by Anonymous*

**algebra**

A roof rises 1.4 feet vertically and 11.8 feet horizontally. What is the grade of the roof? The grade of the roof is _____% how do I begin to find the answer to this

*Monday, January 31, 2011 by Joyce*

**third grade hw help**

My third grade is needing help with his science homework please the question is as follow List as many resources as you can that you use during one day? Thanks!

*Wednesday, January 19, 2011 by Nicky*

**8th grade science**

For my quiz some of these questions confuse me. Your genome is over 99% identical to every other human on earth. True False 3 points Save All living things on earth share certain identical sequences of bases on their genome. True False and... Question 8 3 points Save The bases...

*Wednesday, January 19, 2011 by Lina*

**8th grade math**

Hot Shot is an arcade basketball game in which the object is to make as many baskets as possible within the 60-second time limit. A player is awarded 2 points for each successful shot during the first 50 seconds of play and 3 points per successful shot during the final 10 ...

*Wednesday, January 12, 2011 by Anonymous*

**math**

what is 7 16th plus 3 8th please help me i am hopeless

*Thursday, December 16, 2010 by leah *

**8th grade math**

Every year on the first day of Christmas my true love gives me one gift, a partridge in a pear tree. On the second day of Christmas my true love gives me a total of three gifts, two turtle doves and a partridge in a pear tree. This will go on until the twelfth day of Christmas...

*Thursday, December 16, 2010 by Anonymous*

**5th grade**

how to do a double line graph with 2 superbowl teams scores with their mode median,and range for the first seven games. this is so hard for fifth grade. i need help

*Thursday, December 9, 2010 by deeandra*

**math **

franklin school has 3 boys for every 4 4 girls in fifth grade . there were 140 students in the fifth grade. A.how many are boys B.how many are gorls

*Tuesday, December 7, 2010 by cindy*

**math**

franklin school has 3 boys for every four girls in the fifth grade. there are 140 students in the fifth grade. a.how many are boys? b.how many are girls?

*Monday, December 6, 2010 by cindy*

**Computer Programing & Logic Design**

Submit pseudocode and a flowchart for the following programming exercise: Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Design the following functions ...

*Saturday, November 20, 2010 by Anonymous*

**5th grade**

what are the answers to the 5th grade unit 1 test harcourt

*Friday, November 19, 2010 by Destiny*

**math**

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading ...

*Tuesday, November 16, 2010 by Anonymous*

**5th grade**

My daughter is taking OLSAT test for gift & talented middle school. All practice questions I find are for Kindergarten or 1st grade. Any ideas on how she should prepare? Thank you.

*Sunday, November 14, 2010 by Elaine*

**8th grade**

four families bought popcorn at a game.The Wilson's bought half the bags of popcorn plus one. the Martinez's bought half of the remaining bags plus one. the Brightfeather's bought half of the remaining bags plus one. The Wilberly's bought half the remaining ...

*Wednesday, November 10, 2010 by unknown64*

**8th grade**

Suppose that the veterans of the Korean War and the veterans of WWII are mutually exclusive. Together, the veterans of the Korean War and the veterans of WWII, account for X% of the veterans in the United States in 2009. The number of veterans of the Vietnam era is X% + 11.6% ...

*Wednesday, November 10, 2010 by Anonymous*

**8th Grade Math**

*I NEED THESE IN ALGEBRAIC EXPRESSIONS! 1.) The larger of two numbers is 1 less than 3 times the smaller. Their sum is 63. Find the numbers. 2.) Find two numbers whose sum is 92, if the first is 4 more than 7 times the second. 3.) The sum of two numbers is 172. The first is 8 ...

*Monday, November 8, 2010 by Disha*

**math**

find the sum of the first 8th term of the Geometric progression, 1,3,9,27

*Friday, November 5, 2010 by Ali*

**8th grade**

Major League Baseball is divided into the National League and the American League. The World Series championship is a “best-of-seven” series between the National League champion and the American League champion; the first team to win four games wins the series. ...

*Wednesday, October 13, 2010 by pow*

**english grade 1**

how to teach interrogative and relative pronoun to grade 1 students

*Sunday, October 10, 2010 by eljhay*

**3rd grade**

Make a tally chart for the number of students in the third, fourth, and fifth grade classes: 26,25,27,27,26,28,27

*Thursday, October 7, 2010 by Need Help*

**physics**

a supertanker with a mass of 5.0 x 10 to the 8th power kg accelerates from rest to a speed of 10 m/s in a time of 1000s. what is its average acceleration? how much force is required to accelerate the supertanker?

*Monday, October 4, 2010 by kb*

**6th grade**

What is the simple and complex for this sentence. Making a bad grade on such an easy spelling test is such an embarrassment.

*Tuesday, September 21, 2010 by Ashleigh*

**maths**

find the 8th derivative ofe^2x*sin2x?

*Sunday, September 19, 2010 by devu*

**math**

from a base elevation of 8600ft a mountain peak in Colorado rises to a summit elevation of 14660ft over a horizontal distance of 15838ft find the grade of the peak . the grade of the peak is ? %

*Saturday, September 18, 2010 by Anonymous*

**6th grade science**

I recently posted a 6th grade science question at 9:11 p.m. Can someone take a look at it for me. Thank you in advance!

*Friday, September 17, 2010 by Reed*

**Sociology**

I have to write an assignment on a situation similarly to a culture at walmart from the text Sociology 101 A brief introductiob 8th edition page 68, is there any way I can get this article?

*Sunday, September 12, 2010 by ToyA*

**Advise**

Ok, I am going to grade 12 and my university requires a 90% for advanced functions. In grade 11, I got a 78% with no tutoring. Is there who is willing to help me free of cost for tutoring or even websites that would help me.

*Friday, September 3, 2010 by prethy*

**algebra 8th**

now i dont understand this one Add Or SSubtract 2/5 - 7/8=?? what do i have to do?

*Tuesday, August 31, 2010 by Ana*

**Algebra 8th**

I Was Looking at The ProBlems of Paloma and i thing we have the same HW. so can You HelP Me On This? n=5.75

*Tuesday, August 31, 2010 by ricardo *

**Language Arts**

When I'm using 'grade' in a sentence, would it be capitalized? I.e. Jorge is in Grade 9? PS I'm Canadian, so maybe no US grammar rules?

*Monday, July 26, 2010 by Barb*

**Websites for Third Grade**

Can you give me some websites to study for 3rd grade is these areas? Social Studies,English Language Arts, Math,Science

*Thursday, July 1, 2010 by ☻ Vanessa Sarafina ☻ *

**Science-8th**

How do balance the equation:C5H12 + O2---> CO2 + H2O

*Saturday, June 5, 2010 by Tyler*

**7th grade**

I was wondering if there were any sample placement tests that I could give to my son who is currently in 7th grade homeschool.

*Wednesday, June 2, 2010 by Brenda*

**8th physics**

A golf ball is hit with an initial velocity of 50 m/s at an angle of 45° above the horizontal. What's the maximum height it will reach?

*Monday, May 31, 2010 by john*

**Chemistry**

Ba-140 has a half life of 13.0 days. What fraction of a sample of Ba-140 will remain after 39 days? A. 1/8th B. 1/16th C. 1/2th D. 1/4th

*Sunday, May 23, 2010 by Charleze*

**Drug Abuse**

My 8th grader is doing some research for a 4-H project and needs to know how drugs affect the family and friends of a drug addict?

*Sunday, May 16, 2010 by Angel*

**Math**

I'm confused.Can someone tell me if I have done this correct.I'm trying to get the average using a weighted scale: TOTAL GRADES: WEIGHT 90% ---------- 5% 100% ---------15% 95% --------- 15% 90% -----------5% 94.5% --------60% I multiplied the total grade by the percent...

*Sunday, May 2, 2010 by Sue*

**Statistics**

I'm confused.Can someone tell me if I have done this correct.I'm trying to get the average using a weighted scale: TOTAL GRADES: WEIGHT 90% 5% 100% 15% 95% 15% 90% 5% 94.5% 60% I multiplied the total grade by the percent, then added the percent. But I get 109.20 as a ...

*Sunday, May 2, 2010 by Sue*

**7TH GRADE**

HOW DO I STUDY BETTER? WHEN THERE ARE TO MANY DISTRACTIONS IN MY HOUSE. BECAUSE MY TEST GRADES ARE BAD AND THEY ARE PULLING DOWN MY AVERAGE GRADE

*Thursday, April 29, 2010 by Anonymous*

**7th grade **

HOW DO I STUDY BETTER? BECAUSE MY TEST GRADES ARE BAD, SO THEY ARE PULLING MY AVERAGE GRADE DOWN.

*Thursday, April 29, 2010 by Anonymous*

**8th grade math**

Kenisha sells athletic shoes part-time at a department store. She can either earn $500 per month plus a 4% commission on her total sales or $400 per month plus a 5% commission on total sales. A)write a system of equations to represent the situation. B)what is the total price ...

*Wednesday, April 28, 2010 by jessica*

**Science Grade 8**

I know that this seems like a REALLY EASY question, but for some reason I cannot think of anything! 2. What technologies have been developed that use light? This is from a grade 8 textbook, so nothing to technical!

*Saturday, April 24, 2010 by Maddison*

**8th grade chemistry**

2CuSO4 what does the information above represent? (A) two molecules made of one copper atom, one sulfur atom, and four oxygen atoms. (B) two elements made of one copper atom, one sulfur atom, and four oxygen atoms. (C) two copper atoms, one sulfur atom, and four oxygen atoms...

*Wednesday, April 21, 2010 by monica*

**10th grade**

i need an interesting topic for a tenth grade informative essay

*Monday, April 19, 2010 by Dallas*

**math (find my grade)**

1% of my grade 82% 4% of my grade 76% 2% of my grade 100% 100% 100% 100% 100% 100% 100% 100% 82% could you please find my average. thank you!!!!

*Sunday, April 18, 2010 by rosie*

**12th grade**

There are 300 students in 12th grade. What is the total population of the school?

*Monday, March 29, 2010 by Anonymous*

**math**

If you have a grade average at 50% and you score 89% percent on a test what does your grade equal out to?

*Friday, March 26, 2010 by tarra*

**classroom instruction**

• Write a 200- to 300-word response describing how you might teach this concept to students in a lower elementary grade and to students in a middle school grade. i picked problem solving i have this so far. i guess for each grade level (elem and middle school) i would ...

*Friday, March 19, 2010 by scooby*

**6th Grade Grammar**

The sixth grade class *had wrote* several papers about the great sphinx. How should the words in the asterisks be written? A. had written b. has wrote c. correct as is

*Wednesday, March 17, 2010 by David*

**2nd grade**

2nd grade math measurement

*Wednesday, March 10, 2010 by alexis*

**computer science**

ineed help with c++. i am using code blocks and i have a problem with the compiler. when I run this code ¡é # include <iostream> using namespace std; int main() { cout<<"Hello World!"<<endl return(0); } this message keep pops up. ¡...

*Sunday, March 7, 2010 by lj*

**classroom instruction 9not sure if i am right)**

• Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i am doing physical education in wisconsin. this is what i have i am not sure if...

*Friday, February 19, 2010 by scooby*

**6th grade**

Doyou have 6 grade text book?

*Monday, February 15, 2010 by carla*

**6th Grade Science : Newton's First Law of Motion**

Explain the idea of streamlining.\, as it applies to the skydiver. If you have the following textbook: Scott Foresman Science, 6th Grade good for you! Look on pages B102 - B105.

*Friday, January 29, 2010 by David*

**8th math**

How many ways can seven basketball players of different heights line up in a single row so no player is standing between two players taller then herself?

*Thursday, January 28, 2010 by Robin*

**7th grade**

i need help on Chemistry and i am in 7th grade i don't know how to do some problems and i would like to know how to translate statements into equation form?

*Friday, January 22, 2010 by Hope*

**7th grade math**

I am in 6th grade and i am haveing trouble with statistics and how to memorize them!!! How can i do this???? Is there a special way???

*Monday, January 18, 2010 by nicole*

**9th grade**

I'm doing this word search for my 9th grade honors physical science class, and i don't understand one thing. it says 'blue, striped and round are examples of this' when we're talking about matter and phases of matter and density/mass/weight/volume. stuff ...

*Wednesday, January 6, 2010 by Kelly*

**Maths**

An Investment Fund manager is required to maximise the return on a portfolio of bonds given the following information: Bond types Projected rate of return Benchmark government 9.1 UK gilts 10.3 Global investment grade (US $) 6.7 Global investment grade (euro) 8.7 Global ...

*Tuesday, December 8, 2009 by Sarah*

**Science**

I am in 6th grade and doing very well so i am not stupid or anything but i dont know if my science fair project is for my grade level. It's What Makes Ice Melt The Fastest. What Do You Think? Thnak You

*Monday, November 16, 2009 by Ella*

**8th Clinton Junior High School**

yes actually its something like that can you help me with it please?

*Thursday, November 5, 2009 by Angela pickens*

**3rd grade**

3rd grade Explain how to add with carrying give example

*Wednesday, November 4, 2009 by Jesse James*

**MATH**

Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...

*Monday, November 2, 2009 by VERONICA*

**science 8th**

give an example of a chemical formula.

*Tuesday, October 27, 2009 by dan*

**programming**

Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0<=X and X<49) Output "you fail" Else if (50<=X and X <70) Output "your grade is" X Output " you did OK" Else if (70<=X and X...

*Friday, October 23, 2009 by steve*

**English (8th Grade)**

I can only figure about half of this one out: Your assignment is to go back and label the parts of speech of each word in this paragraph. The only ones which you do not know are articles (a/the) and determiners (these/those/this/that). There are: nouns, pronouns, verbs, ...

*Thursday, October 22, 2009 by Leez*

**Linear Programming**

OKay My question is: Two factories manufacture 3 different grades per paper. the company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It cost $1000 per day to operate the first ...

*Friday, October 16, 2009 by Deanna*

**government**

what does double jeopardy and the 8th amendment have to do with capital punishment?

*Thursday, October 15, 2009 by nelly*

**Math**

In a class 85% of the student recieved the highest grade in English Literature, 80% in Math, 75% in History, and 30% in Chemistry. About what percentage of the students could you say for sure that they recieved the highest grade in all 4 subjects?

*Thursday, October 15, 2009 by Kim*

**Statistics**

Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...

*Sunday, October 11, 2009 by Trey*

**Statistics**

Suppose a researcher wants to study the effectiveness of a new reading program for students who have not acquired the necessary reading skills by the time they reach the 8th grade. A randomly selected group of 50 students from a local junior high with poor reading skills will ...

*Sunday, October 11, 2009 by Trey*

**algebra**

from a base elevation of 6800 ft, a mountain peak rises to a summit elevation of 14478ft over a horizontal distance of 15845 ft. find the grade of peak. the grade of the peak is ___ %

*Wednesday, October 7, 2009 by Kathy*

**6th grade Reading **

Worksheet for An Ant's Life and The Best School Year Ever Vocabulary im in 6th grade

*Wednesday, October 7, 2009 by Please Help Me I'm 11*

**3rd grade**

what does property mean in 3 rd grade math example 4+8= 12 find the property

*Tuesday, October 6, 2009 by shemar*

**math**

I think I must be asking my question wrong, but what is my number grade if I missed 36 out of 85 questions. For example if I missed 1 out of 10 I know my grade would be a 90.

*Wednesday, September 23, 2009 by Mattie*

**arithmetic**

nth term expressions whose 8th term is 74

*Thursday, September 17, 2009 by katie*

**Algebra 1 Please bobpursley again**

Thanks to everyone for trying to help me. This is not really a question but an answer to what grade level this promblem is for my son is in ninth grade. Thank You all again

*Saturday, September 12, 2009 by Mary*

**5th grade**

Will someone tell me a webpage my daughter can get help on solving equations, word problems w/ algebraic chains...or for 5th grade math. Thank you

*Thursday, September 10, 2009 by margaret*

**English**

1. He is upset because she got a very good grade. 2. He is upset because she got very good grade. (Do we have to use 'a' before 'very good grade' or not?)

*Monday, September 7, 2009 by John*

**math**

Can you give me a 8th gtade mathamatics chart

*Monday, August 24, 2009 by krysten*

**Math**

How would the information about grade and frequency change if there were twice as many of each grade? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think that the grades would double if there was twice as many. Thanks.

*Wednesday, July 29, 2009 by B.B.*

**9th Grade Courses**

For 9th grade science, which would be easier to take? Environmental Science or Life Science? Thanks -MC

*Wednesday, July 15, 2009 by mysterychicken*

**10th grade**

what classes should i take in 10th grade?

*Wednesday, May 27, 2009 by katlyn*

**8th Algebra**

What are some real-life examples of exponential growth and decay?

*Monday, April 20, 2009 by Nancy*

**Business Communication**

A student who has poor grades should: a) omit the grade poing average from the resume b) round off the grade point average rather than giving the precise figure c) explain the reason(s) for getting poor grades on the resume d) lie about the grade average I know (c) and (d) are...

*Monday, April 20, 2009 by Anonymous*

**8th grade Algebra**

I'm trying to help my young friend -- and am totally lost. He has a math crossword puzzle and here are three words we cannot find. 11. The number of solutions of a system in which the lines are parallel 11 letters, probably beginning with N 14. A line used when the points ...

*Friday, April 17, 2009 by Ms. Sue*

**6th grade vocab**

What does the word "predominant" mean? Oh and please don't give me a website with some big def. I am in 6th grade so I won't understand if the def. is big and long. It also helps if you use it in a sentence . . . just saying. :-D Thanks so much!

*Monday, April 13, 2009 by Noelle*

**3rd grade**

in the book " how to be cool in the third grade. Do you think Robbie was cool and why

*Monday, March 30, 2009 by carmen*

**8th Algebra**

If S represents the greater of the two solutions of the equation x^2 - 4x - 3 = 5, then : A) S>3 B) S<3 C) S=3 D) relationship cannot be determined and why ? I don't understand this one at all.

*Sunday, March 29, 2009 by Joy*

**For my son (maybe considered homework...)**

Do you have a good link to where my son can print out fun activities for kindergarten, and 1st grade. He's in kindergarten but I want to see what he can do with 1st grade since he's really smart. Thanks.

*Saturday, March 28, 2009 by Cassie S.*

**math (grade 11 operations with radicals)**

Simplify sqrt12 + sqrt18 - sqrt27 + sqrt 50 thnx a lot any help is greatly appriceted.... these are grade 11 radical expressions and the answer for this is : - -sqrt3 + 8sqrt2

*Friday, March 27, 2009 by gagan*

**6th grade**

Do you have online readings and questions for my son, who is in 6th grade? I see lesson plans, but I don't see the information to give out. Please let me know about this, thank you.

*Thursday, March 19, 2009 by rachel*