Friday

May 6, 2016
**maths**

a craftsperson has 2 alloys of silver. the 1st one is 70%pure silver amd the second one is 50%. how many kilograms of each must be mixed to have 12kg of an alloy which is 65% silver?
*Wednesday, October 21, 2009 by hello*

**physics**

A race car accelerates from rest at 5.7m/s squared. how fast will it be going at the end of that time? i need the abc method...( a-all variables, unknown 1st...b-right formula and algebraically rearrange it..c- solve it0
*Tuesday, October 20, 2009 by c*

**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*

**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*

**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*

**english**

simple subject of 1st sentence ( cup ) and 2nd sentence ( crinkle )
*Monday, September 14, 2009 by kk*

**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**

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*

**Maths**

How do i show that (a-b)^2(a+b)+ab(a+b)=a^3+b^3 I have come up with the last part ab(a+b)=a^2+b^2, but how do i work out the 1st part??
*Friday, June 19, 2009 by Scott*

**Math**

In a competition, only the top 3 horses recieve prizes. How many possible ways can a 1st, 2nd, and 3rd prize be awarded if the competition has 12 horses? A. 36 B. 220 C. 440 D. 1320 Also, is this a permutation or a combination? Please Help!! Thank you.
*Wednesday, June 10, 2009 by Happy Face*

**Math**

In a competition, only the top 3 horses recieve prizes. How many possible ways can a 1st, 2nd, and 3rd prize be awarded if the competition has 12 horses? A. 36 B. 220 C. 440 D. 1320 Please Help!! Thank you.
*Wednesday, June 10, 2009 by Happy Face*

**10th grade**

what classes should i take in 10th grade?
*Wednesday, May 27, 2009 by katlyn*

**math**

Simplify (2c)(11c). my answer is telling me it should be 22c. I think it is 22c(squared). We are not combining like terms, but multiplying each to the 1st power. when you multiply you add the exponents. I am confused.
*Monday, May 25, 2009 by Kelly*

**Quick science question #2**

Why are the reactions in the 1st and 2nd stages of photosynthesis called "light reactions."
*Saturday, April 25, 2009 by Stacie*

**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**

essay on should students only have to take reading andmath to go to 9th grade agree or disagree?
*Monday, April 13, 2009 by Robin*

**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*

**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*

**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*

**Math**

Can you please check my answers? They're fairly simple but I needed to make sure I'm correct. 1st Question: In a make believe horse race between five famous horses, Citation finished one length ahead of Seattle Slew. Spectacular Bid finished ahead of Citation but ...
*Wednesday, February 4, 2009 by Mia*

**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*

**chem**

2) How many moles of nitrogen monoxide will be produced when 80.0 grams of oxygen are used? What volume of ammonia is needed? this iz the equation 4NH3 + 5O2 -> 6H2O + 4NO the 1st part i got 4 mol NO and i dont no how to do the 2nd prt
*Sunday, January 25, 2009 by gabriella*

**science**

99% 1st graders get it right , 5% MBA's get it right- Rich do not have it, the poor have it, more powerful then God and if you eat it you die--what is it?
*Friday, January 9, 2009 by John*

**7th grade math**

indicate the measure and the measure unit. 1. there are four windows in the room each 36 inches wide. 2. luisa received a gift of $100 from a relative when she graduated from 8th grade.
*Wednesday, January 7, 2009 by cornelia*

**to Ms. Sue**

This is what I have x=1st interger 17-x= 2nd interger equation: x(x-17)=66 x^2-17x-66 then I have to factor it but I don't know the factors that is what I need help with finding that
*Wednesday, December 10, 2008 by DE*

**3rd grade**

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

**Social Studies (specifically American Goverment)**

What could be some future challenges for freedom of religion in the 1st amendment?
*Saturday, December 6, 2008 by Mark*

**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*

**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*

**spelling**

just getting home from work. my 1st grader left spelling list at school. Is there a way to get the list?
*Wednesday, November 12, 2008 by jewel*

**History**

I'm collecting pictures for a collage on the 1st amendment. Does anyone have any ideas on what to put, or collect?
*Tuesday, November 11, 2008 by Danielle*

**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*

**7th grade**

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

**English**

You are staning in front of church looking to the right. How do I get to the restaurant? Just go straight. It's past the department store. 1. It's around the corner. 2. Just go straight a little. 3. Just go straight on 1st Street. 3-1. Just go straight on 1st street ...
*Monday, October 27, 2008 by John*

**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**

When I bumped the table, the coffee in my cup spilled out. Newton's _____ law explains this reaction. 1st 2nd 3rd
*Wednesday, October 22, 2008 by Alie*

**science**

Newton's _____ law explains why my hands hurt when I clap loudly. 1st 2nd 3rd
*Wednesday, October 22, 2008 by Alie*

**statistics**

EVENT PROBABILITY First set of O- rings function correctly and second O-ring functions correctly .7552 First set of O-rings malfunction and second O-ring functions correctly .1138 1st set of O-rings function correctly and 2nd O-ring malfunctions .1138 1st set of O-rings ...
*Friday, October 10, 2008 by penelope*

**Honors Algebra I**

Fill in the blanks to explain the step below. A=1/2(b to the 1st power + b to the second power)h solve for h
*Tuesday, September 30, 2008 by Cherri*

**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*

**English**

In the book Dr. Dolittle is it written in 1st person, 2nd person, or 3rd person omniscent or limited?
*Tuesday, September 23, 2008 by Aliyah*

**Presidents!**

wouldn't ride in a 2nd hand carriage elected as a Whig passed bar exam with no formal education 1st tub and stove installed in the white house?
*Tuesday, September 23, 2008 by Anonymous*

**chemistry**

what is a good explanation for: Many enzyme catalyst reaction start out as 1st order and as time passes by it becomes 0 order. Why?
*Sunday, September 21, 2008 by Tri*

**ecology**

Why are 2nd order consumers more likely to be affected by a toxin than 1st order concumers?
*Sunday, September 14, 2008 by Michelle*

**1st lesson of the year...**

Hi, I am wondering if anyone has any ideas or suggestions for "getting to know you" games for the first day of classes that I can utilize. Also any relevant sites would be greatly appreciated. Thanks.
*Thursday, August 28, 2008 by Anonymous*

**English**

Can someone give me or tell me how I can go about writing a good attention getter 1st sentence for my 5-paragraph essay on the book The Crucible? Thanks
*Wednesday, August 27, 2008 by Mike*

**project management**

You are the supervisor for a large technology-based corporation. One of your subordinate managers, Carly, is heading up a project for a new system that is scheduled to market on the 1st of the year. It is August and things are not progressing at the pace you had hoped.
*Sunday, August 17, 2008 by Chris*

**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*

**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*

**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*

**English**

Im not sure where to find a website that can help me write a "hook" in my 1st paragraph in my essay please
*Thursday, April 17, 2008 by Jesica*

**chemistry**

How do I find the charge of the 1st listed metal? HgCl2 PbO2 Cu(OH)2 Cr2O3 Fe3(PO4)2
*Tuesday, March 11, 2008 by Anonymous*

**geometrey**

The grade of a road is 7%. What angle does the road make with the horizontal? I'm confused!! What is the grade of a road? Thanks for the help!
*Monday, March 10, 2008 by anna*

**linear algebra**

i'm not sure how to go about this one. any help would be appreciated! find all x's that would make the 2x2 matrix below = to a shear-dilation: 1st row: 1, x 2nd row: 3, 4
*Saturday, March 8, 2008 by corine*

**science: help**

i need to do a science fair project. i am in 7th grade and my teacher said that it can't be something a 6th grade or younger could do. i wanted to do something with kinetic energy. like maybe drop an egg from different heights and measure its k.e. any suggestions?
*Friday, March 7, 2008 by Brooke*

**Math**

Use the Binomial Theorem to find the fifth term in the expansion (2x+3y)^5. 5!/(5-k)^x^5-kyk 5!/(5-4)!4!^x^5-4y4 (5*4*3*2)/(4*3*2*1) 120/24 5xy^4 (answer) You may not understand the 1st 2 lines I'm sorry just let me know how to make it better.
*Tuesday, March 4, 2008 by Jon*

**math-probability**

A King sends for 3 prisoners. HE has 3 black hats and 2 white hats. He blindfolds the prisoners & puts a hat on each. He then removes the blindfolds & allows them to look at each other. He tells them that if they can tell him the color of the hat they have on, he will set them...
*Tuesday, March 4, 2008 by ASh*

**Geometry**

Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad. Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
*Monday, February 25, 2008 by Austin*

**Math**

Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
*Monday, February 25, 2008 by Austin*

**MATH-PERCENTILES**

I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55 ? SCIENCE-30 ? I WAS...
*Saturday, February 9, 2008 by TORI*

**french**

what's the future of 'se leve' with accent aigu over 1st 'e' of 'leve'
*Thursday, February 7, 2008 by anonymous*

**African Amer. Study**

Who was the 1st American woman to address male audience in public?
*Tuesday, January 29, 2008 by Mack*

**science**

A person's body is thronw outward as a car rounds a curve on the highway is this newton's 1st 2nd or 3rd law
*Thursday, January 24, 2008 by summer*

**Movies & Science**

I am doing a paper that entails my knowledge of physics to prove errors in the movie Transformers. There is one scene in the movie where Shia (Sam, the hero) falls in Optimus Prime's hand, from around 20 stories high. Obviously Sam should ooze out of Prime's hand, but ...
*Monday, December 31, 2007 by Alexis (For bobpursley or Dr. Bob222)*

**Film and Physics**

I am doing a paper that entails my knowledge of physics to prove errors in the movie Transformers. There is one scene in the movie where Shia (Sam, the hero) falls in Optimus Prime's hand, from around 20 stories high. Obviously Sam should ooze out of Prime's hand, but ...
*Monday, December 31, 2007 by MOvie Guru*

**social studies**

1st Amendment; freedom of religion Why is this amendment important to America? What are 2 examples of how the amendment protects the citizens?
*Monday, December 17, 2007 by aj*

**WWII**

The "Phony War" ended April 1940. However, many Canadians were not sent before 1942. What did the ones that were sent with the 1st Division Canadaian infrantry do in Britain until 1942?
*Sunday, December 16, 2007 by Lena*

**WWII**

The 1st group of Candians that were sent over sea to ritian were sent in December of 1939. Where were they sent in Canada to prepare for WWII?
*Saturday, December 15, 2007 by Lena*

**SCI 275**

What are the challenges of managing Reducing solid waste? What human activities contribute to the problem? I can answer the 2nd question but the 1st one i am having truble with
*Monday, December 10, 2007 by dawn*

**math**

what are the 2 greatest consecutive even integers whose sum is less that 180? for the 1st I got x+2 and for the 2nd I got x+4 to get x+2+x+4<180, and solved to get, x<87. Now.. I cant get the answer. biggg problemo. please help.
*Wednesday, November 14, 2007 by josh*

**algebra- integer problems**

Hi! i have this problem, I'm stuck on. it says find 2 consecutive multiples of 9 whose sum is -153. I started of my saying the 1st number is 9x and the 2nd is 9x+9. I continued on to get, 9x+(9x+9)=-153 and solved it. I got an irrelevant answer: -9. I was wondering what I ...
*Wednesday, November 14, 2007 by min*

**chemistry**

can u tell me of any laboratory acid with 6 letters 1st letter is n 4th letter is r and 6th letter is u, i dont no, it is for a wordsearch
*Tuesday, November 6, 2007 by !!ezr!!*

**Editing**

Im posting this essay on The battle of The Somme in 1916. If someone could edit it for me, that would be greatly appreciated. Thanks in advance =] Most Canadians know July 1st to be Canada Day: a day to celebrate the birth of their country. Nevertheless, in Newfoundland, July ...
*Wednesday, October 10, 2007 by Gina*

**algebra**

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His firs three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade.
*Wednesday, October 10, 2007 by seano*

**math**

An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average ...
*Sunday, September 30, 2007 by Jessica*

**MATH!!!**

I have 3 2/3 + 7 1/8 = I 1st got 10 19/24 then I got 239/24 please HELP!! What is the right answer? 10 19/24 or 259/24 depending if you have to express it as a fraction or not
*Wednesday, May 9, 2007 by Jenifer*

**random**

I dunno. Why don't u wait 4 a teacher 2 answer that? I guess any grade that can type and ask Qs. :p any grade.
*Monday, May 7, 2007 by Lily*

**math**

Ted must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63,and 68. Write an inequality representing the score that Ted must get on the last test to get a C grade. Let X be the grade on the next test. The average ...
*Monday, March 19, 2007 by cheryl*

**Example Essays**

Mkay, I have a five paragraph essay due by tommorow. Its to be an example essay, but I don't have a idea OR a plan on what to write. I am confused {confuzzled} and am looking for a fairly easy example essay to write. I will need to use the Seven Sentence Skeleton which is ...
*Thursday, March 1, 2007 by Confizzled*

**math**

what is the difference between translation , rotation, relections, and dilation in 8 grade work In 8th grade talk, I recommend you check the examples in your book. OR, if you put your definitions here, I can critique them.
*Sunday, January 28, 2007 by jose*

**algebra1**

slope (-3,3),(1,3) well 1st here is the forumla y2-y1/x2-x1 then 3-(-3)=-6 then -3-1=-4 slope=-6/-4 0 _ -2 __
*Monday, January 8, 2007 by lena*

**Data management**

. In Lotto 6/49, you must pick 6 numbers and pay $2.00 for each ticket. Six (6) numbers are drawn randomly. The following table summarizes the winning prizes if you match: 6 numbers (1st prize)
*Tuesday, November 7, 2006 by Wajih*