Friday

April 29, 2016
**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 1A**

From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...
*Thursday, October 8, 2009 by Don*

**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*

**8th Grade Algebra**

I don't know how to do these types of problems whatsoever. 1) It takes a small jet plane 4 hours less time than it takes a propeller-driven plane to travel from Glen Rock to Oakville. The jet plane averages 637 km/h while the propeller plane averages 273 km/h. How far is ...
*Saturday, March 7, 2009 by Gabrielle*

**8th Grade Algebra: HELP ME PLEASE!**

I am having a hard time figuring out the equations for these problems. 1) The perimeter of a rectangle is 160 feet. One fourth the length is the same as twice the width. Find the demensions for the rectangle. 2) Lorena bought 10 packs of styrofoam cups for the graduation dance...
*Wednesday, March 4, 2009 by Joy*

**First grade social studies**

my son is in first grade and has to do a project as the curator for the american symbols. I am looking for a reputable website and having difficulty sorting out which ones to use. Can anyone help?
*Tuesday, February 17, 2009 by noemi*

**Social studies needs your help!!**

I am in a very tight situation. I am a grade 4 social studies teacher. In my classroom, I have students of mixed ability. Some students are above grade level, some on grade level and some below grade level. The bulk of students is below grade level. What activities or ...
*Wednesday, February 11, 2009 by Maria*

**Pre-Calculus**

A road sign at the top of a mountain indicates that for the next 4 miles the grade is 12%. Find the angle of the grade and the change in elevation for a car descending the mountain.
*Thursday, February 5, 2009 by Henry*

**math**

i was trying to calculate wut grade i got if the avg on a midterm was 47.76 and the mean was 10.19 i got 37 wut grade did i get?
*Thursday, February 5, 2009 by rita*

**8th Grade Math (Algebra1)**

I actually have a few different problems that are giving me trouble. The first: We have to use the motion problem formula: d=rt and make a table containing the elements: rate: * time: = distance ------------------------------ label #1 label #2 The Directions for this problem&#...
*Tuesday, February 3, 2009 by Nicole C.*

**math**

there is a graph, and the title is Students who dress up for spirit week.60 grade 7 boys did,70 grade 7 girls did,70 grade 8 boys did, and 80 gr 8 girls did. the question is what this graph is showing. I put the graph is showing how many gr 7 boys dressed up for spirit week, ...
*Saturday, January 31, 2009 by beeca*

**math**

Three students from grades 10,11 and 12 were elected to the student council. Grade 10: Tom(T), Sally(s) and Bill(B) Grade 11: Jerry(J),Anne(A)and Connie(C) Grade 12: Dan(D), Martha(M) and Gwen(G) A three member committee is to be formed with one person from each grade. All ...
*Friday, January 30, 2009 by Katie*

**8th Grade Algebra Answer Check**

Josh and Racquel sold corn dogs and burritos at the math club fundraiser. The corn dogs(c) cost $.35, and the burritos(b) cost $.75. They sold a total of 600 items, and raised $360. a)Write an equation for the total # of items sold. b)Write and equation for the total cost of ...
*Sunday, January 25, 2009 by <3Medic+Droid<3*

**Writing**

8th graders have a writing test coming up and they have to write an expository essay. The biggest problem is, I don't know what that is...help! If you can tell me and also give me an example. Thanks -MC
*Tuesday, December 16, 2008 by mysterychicken*

**3rd grade**

my son is in the third grade. how do you figure out the mass
*Tuesday, December 9, 2008 by Toni*

**Persuasive writing....**

I will be teaching my grade 5 students a lesson on persuasive writing. Do you know where I could find some sample persuasive essays to show them, especially ones that are on fifth grade level. Thanks for your help
*Friday, December 5, 2008 by Rena*

**AED**

What skills will you teach and how will you teach them in mathematics. need 200 words and all I have so far is: I can teach this concept to students in a lower elementary grade and to students in a middle school grade by
*Friday, November 21, 2008 by troyer0269*

**8th advanced math**

how do you turn 3y=-2x+6 into slope intercept form?
*Thursday, November 20, 2008 by Jessica*

**AED**

describing how you can teach this concept to students in a lower elementary grade and to students in a middle school grade.
*Monday, November 17, 2008 by troyer0269*

**8th grade**

(a)on july 15,2007 , the national debt of the united states of americawas a little more than 8.8 trillion dollars. at that time, the population of the united states was a little more than 300 million. approximately how much money would each of the 300 million people living in ...
*Thursday, November 13, 2008 by 8th grade*

**8th grade**

A) light travels at approximately 186,000 miles per second. approximately how far will it travel in 1 minute? express your answer in scientific notation B) the sun is approximately 93,000,000 miles from the earth. about how long does it take light to travel from the sun to the...
*Thursday, November 13, 2008 by 8th grade*

**5th Grade student teacher: Needs ur help....**

What fun activity could I use to to teach 5th grade students about the Constitution?
*Thursday, November 6, 2008 by Samantha*

**repost of composition**

mentioned earlier that I was doing an essay on the Taj Mahal. Here is my draft for it and I'd like you to revise it;any tips are highly appreciated. I used the first site i found on google when I typed in Taj Mahal essay help (since i cant give a link) Thanks-MC The Taj ...
*Wednesday, November 5, 2008 by mysterychicken*

**composition**

I mentioned earlier that I was doing an essay on the Taj Mahal. Here is my draft for it and I'd like you to revise it;any tips are highly appreciated. I used the first site i found on google when I typed in Taj Mahal essay help (since i cant give a link) Thanks-MC The Taj ...
*Tuesday, November 4, 2008 by mysterychicken*

**8th gr algebra**

joan invested some money in bonds at 6% and $8000 less that in stocks at 5% .her total intrest is $1690. how much was invested in stocks? help please.
*Tuesday, October 28, 2008 by angie13*

**Algebra 1: 8th Grade**

Montreal and Quebec City are about 260km apart along Route 20 in Canada. Sylvia is leaving Montreal to go to Quebec City at a speed of 90km per hour. And Anne is leaving Quebec City to go to Montreal at a speed of 105km per hour. a) When and where do Slyvie and Anne pass each ...
*Monday, October 27, 2008 by Joy*

**7th grade**

can you just give me a math riddle thats understandable to 7 th grade
*Monday, October 27, 2008 by whatever*

**8th Grade Algebra**

Musicians generate sound waves when they sing or play an instrument. The rate at which a sound wave vibrates determines the musical note, or pitch, that you hear. For example, The A note above a note called Middle C has a frequency of 440 vibrations per second. 18) When two ...
*Sunday, October 26, 2008 by Joy*

**Algebra**

Well someone please help me with this problem!!!!!!!!!!!! From a base elevation of 8200ft. a mountain peak in colorado rises to a summit elevation of 14701ft.over a horizontal distance of 15838 ft. Find the grade of the peak. The grade of the peak is what percent? (Round to ...
*Saturday, October 25, 2008 by PJ*

**Science-8th Grade**

5. Volume is an object is how much ________ it takes up. 6. When we measure the temperature of an object in the metric system, we use _______ 7. Scientist say that measuring mass of an object means measuring how much matter something has. What is matter? 8. You are a space ...
*Monday, September 29, 2008 by Joy*

**education class**

What would a good teaching strategy be for language arts in a grade 1 classroom and a grade 8 classroom?
*Sunday, September 28, 2008 by jenny*

**language arts**

I have to put together and present a strategy that is effective in the teaching of language arts at a specific grade level. What would a good idea be for around the grade 2 level? and why is it important?
*Saturday, September 27, 2008 by samantha*

**Algebra**

A brick is dropped from the Empire State Building at a height of 324 meters. If you neglect any type of air resistance, what is the distance in meters that the ball falls during the interval between the 8th and 9th second?
*Sunday, September 21, 2008 by Mary*

**crayon riddle 8th grade**

Rachel loves to color. One of her fat crayons wears down to nothing after 15 hours and her skinny crayon wears down to nothing after 6 hours.. One day she starts coloring at 10:30am with two crayons one fat one skinny with the same height. At what time will the skinny crayon ...
*Monday, September 15, 2008 by carolyn*

**chemistry**

(3.21x10 to the 8th)(6.32x10 to the -12th) is it... 20.2872x10 to the -4th?
*Wednesday, September 10, 2008 by hellllp!*

**chemistry**

i have a question on scientific notation. is you have: 8x10 to the 5th power over 2x10 to the -3rd power is the answer 4x10 to the 8th?
*Wednesday, September 10, 2008 by Mary*

**reading 4th grade**

looking for someone to tell me where I can find anything on "Tales of a Fourth Grade Nothing"
*Monday, August 11, 2008 by LaNoria*

**5th grade expectations**

my son is going to the fifth grade. What do I need to do to make sure he is ready?
*Friday, July 18, 2008 by lucretia*

**Problem Solving**

Lindsey has 75% as her final grade, but after she writes her exam she gets 85%. If her exam is worth 7.5%, what is her final grade.
*Saturday, June 14, 2008 by Carrie*

**about economics book**

any has the question's answer of arnold roger's micro economics book(8th edition).pls help me.
*Friday, June 13, 2008 by tapos mitra*

**Part 1**

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 <...
*Wednesday, June 11, 2008 by Anonymous*

**Part 1**

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 < 85) output "your grade is" X output "you did well" else if (...
*Wednesday, June 11, 2008 by Anonymous*

**biology**

what happens when there is excess of glucose in the blood? please give the answer big and simple bcz im an 8th standard student
*Tuesday, May 13, 2008 by humi*

**6th Grade Math**

I really don't know what to do on this question. If someone could start me off I could probably get the answer. Remember I am in 6th grade. Dani has a sack of 50 pens. Of these, 10 are black, 15 are blue, and the rest are red. If she grabs a handful of 5 pens, how many ...
*Monday, April 21, 2008 by Missy*