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March 6, 2015

March 6, 2015

Post a New Question | Current Questions

**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*

**7th grade**

Who is Ra the king of the gods?
*Tuesday, November 18, 2008 at 7:30pm*

**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*

**9th grade**

Need help with (x+5)(3xsquared-2x+1)
*Thursday, November 13, 2008 at 9:06pm*

**5th grade math**

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

**9th grade(Electrical)**

What is OSHA
*Tuesday, November 11, 2008 at 7:13pm*

**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**

I need help with sewing
*Monday, November 10, 2008 at 5:38pm*

**6th grade**

what are the 6 major ecosystem?
*Thursday, November 6, 2008 at 9:41am*

**7th grade**

8.7cm=____________ mm
*Tuesday, November 4, 2008 at 9:45pm*

**6th grade**

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

**5th grade**

compare fractions 7/10 5/8 3/7
*Monday, October 27, 2008 at 10:11pm*

**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*

**7th grade**

how do you identify complements?
*Wednesday, October 22, 2008 at 8:58pm*

**11th grade**

Mapp vs. Ohio?
*Tuesday, October 21, 2008 at 8:55pm*

**8th grade**

what is the national grange
*Monday, October 20, 2008 at 3:42pm*

**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*

**9th grade**

acrostic poem on p h o t o s y n t h e s i s
*Wednesday, October 8, 2008 at 9:06pm*

**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*

**5th grade math**

how do you multiply 4 1/2 x 7/8
*Monday, October 6, 2008 at 6:06pm*

**11th grade physics**

bob where r u !!!
*Sunday, October 5, 2008 at 8:34pm*

**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*

**3rd grade**

WHAT ARE PARTIAL SUMS???
*Wednesday, October 1, 2008 at 5:00pm*

**fifth grade**

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

**6th grade**

euclidean algorithm
*Tuesday, September 30, 2008 at 9:29am*

**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*

**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*

**9th grade**

how does ozone form?
*Monday, September 22, 2008 at 6:24pm*

**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*

**10th grade**

15mm to dam
*Wednesday, September 17, 2008 at 1:08am*

**7th grade**

what is another word for understand
*Tuesday, September 16, 2008 at 5:33pm*

**6th grade math**

What is 2 x (4 to the power of 2) - 12 + 5 ?
*Tuesday, September 16, 2008 at 2:15am*

**9th grade**

how earth rotates?
*Sunday, September 14, 2008 at 11:35am*

**5th grade**

how do you do a paragraph paw
*Thursday, September 11, 2008 at 11:01pm*

**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*

**2nd grade**

what is the synonym for brown?
*Tuesday, September 9, 2008 at 6:13pm*

**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 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**

What was a mansion like in the 80's
*Monday, September 8, 2008 at 7:43pm*

**6th grade math**

A+B = A-B what are A and b
*Sunday, September 7, 2008 at 10:20pm*

**5th grade**

how many thousandths are in a hundredth?
*Sunday, September 7, 2008 at 8:58pm*

**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*

**11th grade**

what exactly is chemistry?
*Thursday, September 4, 2008 at 5:33pm*

**9th grade**

what is social health?
*Thursday, September 4, 2008 at 3:25pm*

**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*

**5th grade**

i need help with factors
*Tuesday, August 26, 2008 at 8:25pm*

**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*

**Math**

Can i please get your help on fractions and i am in the 7 th grade
*Wednesday, January 30, 2008 at 5:49pm*

**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*

**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*

**1st grade math please help!!!**

8...
*Tuesday, April 24, 2007 at 10:29pm*

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