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July 22, 2014

Homework Help: 4th Grade

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11th grade
f(x)=x-1/x-4
Monday, February 9, 2009 at 11:25pm

8th grade
What is domain?
Friday, February 6, 2009 at 3:01am

11th grade
3x+6=2x+13
Tuesday, February 3, 2009 at 12:43pm

reading
I really need help in understand what I read. Everyday we have to summarize a chapter in a book. Well I do read the chapter but I always find myself writing 2 sentences out of the chapter for my summary. My grades are not good in reading and I want to know if you can help ...
Sunday, January 25, 2009 at 8:04am

7th grade
who is fibnacci
Saturday, January 17, 2009 at 3:29pm

7th grade
what is the answer for -2y-5=-9?
Tuesday, January 13, 2009 at 10:25pm

7th grade
what is the answer for -2y-5=-9?
Tuesday, January 13, 2009 at 10:18pm

7th grade
-2n +4-3n=
Wednesday, January 7, 2009 at 5:44pm

5th grade
How do I simplify 4/8 + 5/8 and 7/9 + 6/9? Thanks
Wednesday, January 7, 2009 at 3:11pm

7th grade
-7X+X
Sunday, January 4, 2009 at 7:07pm

10th grade Algebra
8h^2-4h
Friday, January 2, 2009 at 11:11am

sra JMcGuin spanish
Hi This is sam's mom - you have helped my child enormously - Whenever work is done with you the grade is amazing. Finals ae coming up and I think you are close to us. We live on the west side and go to school in the valley. SO anywhere would be convenient - We have a tutor...
Thursday, January 1, 2009 at 6:12pm

Algebra--please help!
I really need help with my math homework today, because I am totally confused! Please give me the answer, but also walk me through it, too, so I can fully understand it, because just the answer won't really help. #1: A math teacher wants to curve a set of grades. *Just a ...
Wednesday, December 17, 2008 at 3:42pm

psychology
Sara sets up an experiment with a control group and a experimental group to study how reading to preschool children may improve their first-grade reading achievement scores. In her study, the independent variable will be A first-grade reading achievement scores B reading to ...
Tuesday, December 16, 2008 at 12:37pm

6th grade
math
Monday, December 15, 2008 at 11:13pm

6th grade
What is vermicomposting ?
Wednesday, December 10, 2008 at 12:25pm

8th grade
what's the answer to .5x-y=8
Wednesday, December 10, 2008 at 1:26am

Math
i am working with completing the square in parabolas and there's this word problem i just cannot solve..a farmer wants to make a rectangular corral along the side of a large barn and has enough materials for 60m of fencing. Only 3 sides must be fenced, since the barn wall ...
Tuesday, December 9, 2008 at 8:35pm

9th grade
12y-5y-2=0
Monday, December 8, 2008 at 11:41pm

8th grade
what percent of 60 is 15
Tuesday, December 2, 2008 at 7:18pm

Math 6th grade
Does any one know a really good websites for 6th grade math ? I'm behind in math and need to catch up or else I'll be really super dum . I need HELP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!​!!
Tuesday, December 2, 2008 at 10:03am

6th grade algebra
3/8 + x __ __ 3 5/12
Sunday, November 30, 2008 at 5:16pm

AED
Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety ...
Saturday, November 22, 2008 at 5:53pm

AED
Choose a grade level and a scientific concept appropriate for that level. • Plan a science experiment to explore this concept. In your paper, address the following points: o List the equipment and materials to be included in the science kit. o Explain what safety ...
Wednesday, November 19, 2008 at 9:03pm

9th grade
3t+8(2t-6)=2+14t
Wednesday, November 19, 2008 at 9:02pm

10th grade
7x+11y=-5
Monday, November 17, 2008 at 3:41pm

9th grade
How do you solve [x-1]=[x+3]
Saturday, November 15, 2008 at 12:42pm

5th grade math
Why does .2 x .4 = .08 and not .8?
Thursday, November 13, 2008 at 6:03pm

french
Mme: Michael(Michel!) is 4 months old. Comment dit-on ".. is four months old"? (that's why he likes to barf everywhere) I am in French 1B, so next year when I'm a freshman, I can go right into French 2. (7th grade=1A, 8th grade=1B =French 1)
Tuesday, November 11, 2008 at 12:28am

6th grade
how many fifths are in 1 3/5
Monday, November 3, 2008 at 12:38am

6th grade
WHAT 30 TO THE 2 POWER
Monday, October 27, 2008 at 7:02pm

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 at 7:57pm

4th grade
It is a circle graph question. The city book club raised $560 to buy books for the school library. The greatest amount of money come from a walk-a-thon. A crafts fair and a bake sale raised equal amount of money. The amount received from club dues was twice as much as the ...
Friday, October 17, 2008 at 6:35pm

8th grade
what is x-y=6
Friday, October 17, 2008 at 1:48am

8 th Grade
what is a bear?
Tuesday, October 14, 2008 at 4:59pm

6th grade
3x times 9x =
Monday, October 13, 2008 at 9:07pm

All!!
What is the 8 grade meap on? Thanks!
Monday, October 13, 2008 at 4:18pm

1st grade,Middle Sound
Hello there, My daughter going to first grade and i have very hard time to understand the middle sound on a word. I'm from Greece original so is hard for me This is the only thing she can not understand and i cant help her. Any Ideas how i can learn about it?
Thursday, October 9, 2008 at 9:35pm

12 data management
3 oeople - john joan and kim throw a ball to each other. there is a probability of 1/3rd that johnwill throw it to joan. probability of 1/2 that joan wil throw it to kim. probability of 1/4th that kim will throw it to john. A. show in a Markov chain as a transition matric. B. ...
Wednesday, October 8, 2008 at 11:22am

9th grade
2x + 5 - 7x = 15
Tuesday, October 7, 2008 at 9:39pm

8th grade
what is radiation
Thursday, October 2, 2008 at 5:54pm

Vocabulary
How could I use the word charecter in a sentence? Charecter as in a letters characters. And how could I use the word calligrapher in a sentence? And writetecher, pleas don't answer my questions because your not giving me any help at all. And I am a 4th grader.
Thursday, October 2, 2008 at 4:12pm

Math
The word problem is: Nancy's quiz average is a 74. Her quiz average is 1/4 of her grade. The test average is 3/4 of the total grade. What test average does she need to get at least an 88? Would you be able to set up an equation, and explain how the answer was acheived? ...
Wednesday, October 1, 2008 at 8:13pm

fifth grade
how many grams in a lb.
Tuesday, September 30, 2008 at 6:14pm

7th grade
what is -2(-3) squared
Monday, September 29, 2008 at 7:18pm

grade 8 math
At the annual Grade 8 ski trip, for every 2 students who skied, 3 snowboarded. Ninety-six students snowboarded. How many students skied? Show your work. Can someone help???
Sunday, September 28, 2008 at 7:49pm

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 at 11:36pm

Grade 3 (transporatation)
I am doing a unit on public transportation in New York city for my 3rd grade class and I am having a little trouble finding interesting and fun websites that my students could use to get information on past and present types of public transportation. Do you know any website/s ...
Saturday, September 27, 2008 at 8:33pm

Help!
I am stumped with a problem we are supposed to help our 4th grader with ... Study the number of pairs: 3 - 8 ; 4 - 11; 5 - 14; 6 - 17; and the it has blanks down to 10 - 29; ... ok we get this part ... adding 2 more each set ... now the questions ... If 50 is the 1st number, ...
Friday, September 19, 2008 at 12:14pm

math
polk elementry school has three classes for each grade level, kindergarten through fifth grade. If there is an average of 27 students how many students attend polk elementry school?
Wednesday, September 10, 2008 at 5:33pm

trig
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
Monday, September 8, 2008 at 9:13pm

trig.
in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks ...
Monday, September 8, 2008 at 8:24pm

6th grade math
A+B = A-B what are A and b
Sunday, September 7, 2008 at 10:20pm

10th grade math
3(x-2)= 4-(x-2)
Saturday, September 6, 2008 at 11:58am

english
i have to write a ballad. The 1st and 3rd lines need to be in iambic tetrameter and 2nd and 4th in iambic trimeter. is this right? Today I told my friend about The dream I had one night. “This red rose grew alone In a small lot without sunlight.”
Thursday, September 4, 2008 at 10:41pm

9th grade
whatis 1=1
Tuesday, September 2, 2008 at 3:10pm

math grade 12
solve for n if P(n,3)=2c(n,2), n{N
Thursday, August 28, 2008 at 8:03pm

Math (Algebra II)
I'm trying to finish up my summer math packet, and I'm almost done, but I'm having trouble figuring out this one: "Divide and simplify these expressions." (3x^4 - 2x^3 + 16x - 192) / (x^2 - 8) so, that's 3x to the 4th, minus 2x cubed, plus 16x, minus ...
Saturday, August 23, 2008 at 10:34am

chemistry
A crude oil burned in electrical generating plants contains about 1.2 % sulfur by mass. When the oil burns, the sulfur forms sulfur dioxide gas: S (s) + O2 (g) = SO2 (g). How many liters of SO2 (d=2.60 g/L) are produced when 1.00X 10 to the 4th kg of oil burns at the same ...
Friday, August 1, 2008 at 11:00pm

10th math
The sum of the 4th and 8th terms of an AP is 24 and the sum of the 6th and 10th terms is 44. Find the first three terms of AP
Wednesday, July 30, 2008 at 9:30pm

science- need some help
ms. Sue I have to do a powerpoint presentation I do not know where to start I am having a serious hard time on this 4th of July. Please help. I need some information that can help me start Power Pointpresentation that describes environmental benefits and challenges of ...
Friday, July 4, 2008 at 9:57pm

Help Help
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 at 4:54pm

programming
Can You Please help me understand how to do this and what i have to do to solve the problem.... Please!! 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...
Wednesday, June 11, 2008 at 4:53pm

grade 5 math
the grade 5 class decided to collect cans of food to donate to the food bank .After the 1st week ,they had collected 8 cans . The next week they collected 11 more . By the 3 rd week they had 31 cans Following this pattern how long will it take for them to reach there goal of ...
Sunday, May 4, 2008 at 9:47pm

Physics
4th order dark fringe and 2nd order bright fringe spaced 2.5 cm aparte appear on the screen placed 1 m behind the double slit. What is the spacing of the slits if the wavelegth ofincident light is 500nm? First I converted the numbers: x= .025m wavelength= 5x10^-7m L=1m d=? I ...
Wednesday, April 30, 2008 at 4:30pm

Physics
4th order dark fringe and 2nd order bright fring spaced 2.5cm apart appear on the screen placed 1 m behind the double slit. What is the spacing of the slits if the waveleght of incident light is 500nm? x=2.5cm=.025m L=1m wavelegth= 500nm = 5x10^-7m d=? x/L=wavelength/d d= (...
Tuesday, April 22, 2008 at 10:58pm

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 at 7:19pm

Maths
1) In the arithmetic progression, the 8th term is twice the 4th term and the 20th term is 40. Find the common difference and the sum of the terms from the 8th to the 20th term inclusive. 2) Find the least number of terms of the AP, 1+3+5...that are required to make a sum ...
Thursday, April 17, 2008 at 12:26pm

Vocabulary
I need to find a unique and creative vocabulary based lesson for a 4th grader. The vocabulary lesson should be connected to oceanic animals.... It should be fun and something to spark students enthusiasm. Could you assist me in finding such a lesson? Thanks a mill
Sunday, April 6, 2008 at 7:57pm

arithmetic
Word Problem: A hospital needs to figure the annual budget for an 11 bed facility based on 90% occupancy using a 4 day length of stay. 1st day = $625.00, 2nd day - $315.00, 3rd day = $315.00 and 4th day = $220.00. How much money can they expect to make for an entire year?
Wednesday, February 27, 2008 at 2:47pm

algerbra
how do i set up and whats the prosedure to solve 10 to the 7th power times 10 to the third power divided by 10 to the 4th power times ten to the negitive 9the power? please help you are doing mankind a favor.if i dont pass this i will be labeld the dumest of the retarted.
Wednesday, February 20, 2008 at 1:27pm

proofread
Hi, can someone proofread this for me. I'll appreciate it. Thanks in advance. The practicum site I selected is an elementary school. I will be assisting a first grade teacher during the semester. I will be helping her with her students and with other teacher ...
Sunday, February 3, 2008 at 11:34pm

Algebra II
The problem is 5x to the 3rd times (7x)squared. I multiplied (7x)(7x) first and got x squared + 14x + 49. Then I multiplied each of those by 5x to the 3rd and came up with an answer of: 5x to the 5th + 70x to the 4th + 245x to the 3rd. Did I get this one correct??
Sunday, February 3, 2008 at 11:43am

7th grade geometry
pr/ac = ?/cb pr=6,ac=?, cb=15
Monday, January 28, 2008 at 6:52pm

math
If stacy jogs every 3rd day and swims every 4th day what day of the week will she end up on
Monday, January 28, 2008 at 4:31pm

Classical ideals / Classical Music
I just need one idea. Is there anything about the classical period in Rome and Greece (5th-4th Centuries BCE) that could apply to the Classical period in Music (1750-1830)?
Tuesday, January 22, 2008 at 5:56pm

art history
which alphabet goes to which meaning? faux surface _ eclecticism _ concrete construction _ verism _ vesuvius _ aqueduct _ pantheon _ equestrian portrait _ a. dome for all gods b. honest way of making art c. 1st style wall painting d. 4th style wall painting e. famous emperor f...
Sunday, January 6, 2008 at 7:10pm

Grade 10 MATH
17^115
Wednesday, December 5, 2007 at 7:56pm

computers
which set of terms below correctly pairs a generation of computers with key innovation associated with it? a. 2nd generation/ intergrated circuits b. 3rd generation/programming languages c. 4th generation/ operating systems d. 5th generation/artificial intelligence
Monday, November 12, 2007 at 9:28pm

Math
I need help with these questions: Copy the equations. Add brakcets to make each one true. a) 7 - 5 to the 4th power divided by 8 = 2 b) 3 x 2 - 5 to the 10 power = 1 c) 39 - 4 + 6 divided by 3 to the 2nd power = 3
Monday, October 29, 2007 at 6:07pm

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 at 12:50am

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 at 8:08pm

science (physics) Need to solve this today please
(a) Express the vectors A, B, and C in the figure below in terms of unit vectors. (b) Use unit vector notation to find the vectors R = A + B + C and S = C – A – B. (c) What are the magnitude and directions of vectors R and S? Well the picture goes and has a vector A ...
Saturday, September 29, 2007 at 8:01am

chemistry
Why is it important that the sequence of addition of reagents be followed? What could possibly go wrong when this is not followed? Reagents added: 1st: Fe3+ solution 2nd: 2.00 mL 10% NH2OH-HCl (hydroxylamine hydrochloride) 3rd: excess 0.20% 1,10-phenanthroline 4th: 1.00 mL ...
Saturday, September 15, 2007 at 4:41pm

chemistry
Why is it important that the sequence of addition of reagents be followed? What could possibly go wrong when this is not followed? Reagents added: 1st: Fe3+ solution 2nd: 2.00 mL 10% NH2OH-HCl (hydroxylamine hydrochloride) 3rd: excess 0.20% 1,10-phenanthroline 4th: 1.00 mL ...
Saturday, September 15, 2007 at 1:45pm

Alegbra
I need to have some problems checked and I need help with one of them. Determine which two functions are invereses of each other. 1. f(x)=5x, g(x)=x/5, h(x)=5/x -I got that f(x) and g(x) are invereses 2. f(x)=x-2/2, g(x)=2x-2, h(x)=x+2/2 - I got that none are invereses. 5. f(x...
Friday, September 14, 2007 at 11:37pm

Math
I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ...
Thursday, September 13, 2007 at 9:54am

Social Studies
How do you start a community? Please explain your question. Are you asking about how to start a town of people? Or a community of crayfish? Or a special interest community, such as a club or a church? We'll be glad to help you if you clarify your question. We are asking ...
Thursday, August 16, 2007 at 7:01pm

check math
Here are my answers. Can you check if I got the right answers? Thank you! (x-4)/(x^2-3x-4) = x+1 (x^3-8)/(x-2)=x^2+2x+4 (5-x)/(x^2-25)=-x-5 (x^2-4x-32)/(x^2-16)=(x-8)/(x-4) first one should be 1/(x+1) second is good third: -1/(x+5) 4th is ok Have you not been taught to place ...
Wednesday, August 8, 2007 at 3:27pm

Organic Chemistry
Hi, this is a sterechemistry problem. If you have a fisher projection problem with Ch3 at the top, Cl on the left, ethyl group on the right, and a CH double bonded to a CH2 (CH=CH2)on the bottom, it is an S nomenclature correct? I figured out that Cl is 1st priority, and CH3 ...
Friday, July 20, 2007 at 2:45am

Organic Chemistry
Hi, this is a sterechemistry problem. If you have a fisher projection problem with Ch3 at the top, Cl on the left, ethyl group on the right, and a CH double bonded to a CH2 (CH=CH2)on the bottom, it is an S nomenclature correct? I figured out that Cl is 1st priority, and CH3 ...
Friday, July 20, 2007 at 2:04am

Math23456
Problem:4x^2y^3 Choices: a.2nd degree b.3rd degree c.4th degree d.5th degree What I think:I think it is letter C. It is degree 3 in y. It is degree 2 in x. Normally, one would call this a degree equation , or a cubic equation.
Friday, June 29, 2007 at 4:56pm

math
List all possible rational zeros of... h(x)= 2x to the (4th power) - 5x (to the third power) + 3x (to the 2nd power) + 4x - 6 Use the Rational Roots Theorem. Any root of the form p/q with p and q relatively prime must be such that p divides 6 and q divides 2. You then find the...
Monday, May 21, 2007 at 6:22pm

physics-please check
is this right?: when a form of energy changes from one form to another some energy may transfrm into a useful form, those useful form of energy is high grade energy.while the rest of the energy will always change to form we cannot use.which is called the low grade energy. if i...
Monday, May 14, 2007 at 4:46am

Earth science
I would like to comfirm that the 4 cycles on Earth are: carbon, water and rock. I think the 4th one is the biosphere but am not sure as the biosphere contains all attributes necessary (including the atmosphere)for life to exist. Am I on the track? I do understand that the ...
Wednesday, April 25, 2007 at 12:59pm

algebra
Sam 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 sam must get on the last test to get a C grade http://www.jiskha.com/display.cgi?id=116​...
Tuesday, April 24, 2007 at 11:47pm

trig
it says solve for all real solutions, compute inverse functions to 4 sigfigs. cos^2x=3-5cosx Devon, what grade level are these questions from? I am having the same problems as with your 9:14 post. Please see my partial solution in the post to bobpursely at 10:54 Devon, I have ...
Monday, April 16, 2007 at 9:57pm

Math
Are you trying to solve for x, n or p? solve for n Show me how to work this problem. 2n = 4xp - 6 what is the problem? what grade r u in iam in 6 grade To get n all by itself, you need to divide by 2. But if you divide by 2 on the left, you have to divide by 2 on the right...
Wednesday, March 14, 2007 at 8:22pm

Business law
If articles of incorporation are supposed to be prepared by a lawyer and the partners of a business are told they will be formed by may 3rd and the partners begin conducting businss on the 4th are they held personally liable if anything were to happen? After all the lawyer ...
Monday, March 12, 2007 at 9:25pm

math
it is cross math (like sudouk) six rows across and six rows down 1st row has empty box, +, empty box, + box =6 this row is across 2nd row has x blacked out box, +, blacked out box, x, blacked out box this row is across 3rd row across is empty box, +, empty box,/ (division sign...
Monday, March 12, 2007 at 8:39pm

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