Wednesday

March 4, 2015

March 4, 2015

Post a New Question | Current Questions

**3rd grade**

what causes drought
*Sunday, October 11, 2009 at 7:59pm*

**Quantum mechanics, eigenfunctions!**

Determine if the function sin(x)*e^(ax) where a=constant is an eigenfunction of the operators d/dx and d^2/(dx)^2 Okay. My understanding is that you use the operator and perform its "thing" on the function. In this case, you will have to find the 1st derivative of ...
*Thursday, October 8, 2009 at 9:30pm*

**4th grade**

if a=11 b=2 c=18 then what does a+c-b=?
*Thursday, October 8, 2009 at 8:57pm*

**Economics**

I'm completely stuck on this question.. Trade barriers only work when..? -infant industries receive the protection. -the United States does not have a trade deficit. -American money is kept in the United States. -other countries do not use trade barriers. I want to say the...
*Thursday, October 8, 2009 at 2:48pm*

**10th grade**

-8(-3-4 v)+5(5v+2)=-80 solve for v
*Wednesday, October 7, 2009 at 7:24pm*

**3rd grade**

What is a compound sentence?
*Wednesday, October 7, 2009 at 2:49pm*

**english grade 6**

what is a double consonant?
*Tuesday, October 6, 2009 at 6:37pm*

**5th grade math**

9m + 45-3=60 What does M equal.
*Tuesday, October 6, 2009 at 5:48pm*

**8th grade**

Can you help me solve this equation. 6n-(-2n)+8
*Monday, October 5, 2009 at 10:27pm*

**5th grade**

What is the definition of energy???
*Sunday, October 4, 2009 at 5:09pm*

**4th grade**

In a fifth grade class of 16 students, one-half of the students arrived at school early,one-fourth arrived on time, and one-eight arrived late. On that day how many were absent? Solve using comparison bars.
*Wednesday, September 30, 2009 at 8:06pm*

**5th grade**

22 x n is between 80 and 85
*Tuesday, September 29, 2009 at 9:11pm*

**5th grade**

62.7-43.85=
*Tuesday, September 29, 2009 at 5:53pm*

**5th grade**

62.7-43.85=
*Tuesday, September 29, 2009 at 5:52pm*

**5th grade**

62.7-43.85=
*Tuesday, September 29, 2009 at 5:52pm*

**6th grade**

need help with my hypothesis
*Sunday, September 27, 2009 at 7:11pm*

**8th grade**

20_140
*Friday, September 25, 2009 at 11:29pm*

**8th Grade Math**

If x/y=4, x-y=9, and y-x=(-9) then what is x and y?
*Thursday, September 24, 2009 at 8:00pm*

**8th Grade Math**

If x/y=4, x-y=9, and y-x=-9, what is x & y?
*Thursday, September 24, 2009 at 7:49pm*

**7th grade**

a submarine
*Wednesday, September 23, 2009 at 10:44pm*

**8 grade**

6 is what percent of 75
*Wednesday, September 23, 2009 at 8:41pm*

**7t grade math**

What numbr is 45% of 246?
*Wednesday, September 23, 2009 at 8:29pm*

**5th grade**

what is my error n+17,n+18,n+15,n+16,n+13,n+14
*Wednesday, September 23, 2009 at 7:54pm*

**Org. Chem.**

what is the precipitate formed when HCl is added? I believe the answer is NaCl, but I am not sure and this precipitate only formed in the first NaOH extract, as precipitate was essentially nonexistent in the 2nd extract? Below is what was done in the experiment. Also, does the...
*Monday, September 21, 2009 at 10:38pm*

**FRENCH HELP**

list each of the activities that follow under the appropriate heading. base your decisions on whether the activity promotes or jeopardizes good health. i think i get this but . can anyone please help me on the 2nd part where it says base your decisions on whether the activity ...
*Sunday, September 20, 2009 at 9:42pm*

**socials**

charles I and the civil war 2 1642-49 name a parliamentary victory of 1644 on july 2nd 1644 when the royalist forces were busy cooking their suppers, the roundheads made a surprise attack , scattered the royalist forces and won the vital battle of marston moor. is this right, ...
*Saturday, September 19, 2009 at 10:29pm*

**6th grade**

Multiply 13*(-7)
*Saturday, September 19, 2009 at 9:13pm*

**math**

Sue is able to make six beaded bracelets each month. If Sue begings on January 1st, how many bracelets will she be able to finish in time for the craft sale on May 2nd? What strategy might work to solve this problem
*Thursday, September 17, 2009 at 10:19pm*

**math**

3 lights started at the same time..1st blinks at 5 seconds, 2nd at 6 seconds and 3rd at 4 seconds...how often will they blink at the same time
*Wednesday, September 16, 2009 at 8:42pm*

**11th grade Algebra2**

4x = 2x+30
*Monday, September 14, 2009 at 8:47pm*

**9th grade**

what is an interior deserts
*Monday, September 14, 2009 at 8:38pm*

**algebra**

A student threw a ball directly upward from the balcony of a building. The height of the ball as measured from the ground "t" seconds after it was thrown, is given by the expression h= -16t(2nd power) + 64t + 768 When does the ball reach the ground?
*Monday, September 14, 2009 at 1:25pm*

**7th grade math**

7.5*8.4
*Thursday, September 10, 2009 at 10:31pm*

**9th grade**

what is a landform
*Wednesday, September 9, 2009 at 12:13am*

**9th grade**

what is the purpose of a neighborhood?
*Tuesday, September 8, 2009 at 9:20pm*

**Statistics**

My teacher is averaging up our grades in one area instead of including them all on our report card. For example, he is putting in one grade for the tests (the average of the grades) instead of including each individual grade for all of the tests. Are these two the same thing, ...
*Tuesday, September 8, 2009 at 3:48pm*

**English**

1. - What's wrong? - I have an important exam tomorrow. - Don't worry too much. (Is the short dialogue grammatical?) 2. Food also can help people's feelings. 3. Food can also help people's feelings. (Which one is correct between 2 and 3? Are both OK?) 4. You ...
*Monday, September 7, 2009 at 6:02am*

**5th grade**

n +37 if n is 16
*Thursday, September 3, 2009 at 8:34pm*

**3rd grade**

what is a synonym
*Wednesday, September 2, 2009 at 7:19pm*

**6th grade**

map
*Monday, August 31, 2009 at 9:49pm*

**7th grade**

1/3 converts too?
*Monday, August 31, 2009 at 9:22pm*

**6th grade**

Why are words important
*Monday, August 31, 2009 at 7:13pm*

**7th grade integers**

8 - 7 = 4=?
*Monday, August 31, 2009 at 5:29pm*

**5th grade**

MS. SUE***WHAT IS A FACTOR?
*Thursday, August 27, 2009 at 6:11pm*

**4th grade**

what are variable symbols
*Thursday, August 27, 2009 at 3:46pm*

**5th grade**

what is the opposite of a compass
*Wednesday, August 26, 2009 at 10:03pm*

**10th grade**

5x+6/10+=4x-8/6
*Tuesday, August 25, 2009 at 8:15pm*

**6th grade**

write 50% in a fraction
*Tuesday, August 18, 2009 at 12:06pm*

**Grammar**

i am wanting to make sure this is correct. the complete subject and the simple subjects of the following. The two-and-a-half-month-old child received 2nd degree burns across the bridge of his nose. Complete: The two-and-a-half-month-old child simple is child? It was suggested ...
*Tuesday, August 11, 2009 at 2:53pm*

**Chemistry**

What percent by mass does the water constitute in Na2SO4*10H2O? Determine the formula for the hydrate of cobalt (II) acetate from the following data. Mass of crucible and lid= 28.945g Mass of crucible, lid, and hydrate= 29.986g Mass of crucuble, lid, and anhydrous salt= 29....
*Sunday, August 2, 2009 at 7:48pm*

**6th grade- Antartic Treaty**

What is it?
*Thursday, July 30, 2009 at 8:03am*

**9th Grade Courses**

For 9th grade science, which would be easier to take? Environmental Science or Life Science? Thanks -MC
*Wednesday, July 15, 2009 at 1:59pm*

**11th grade**

what is Ralational schemas
*Thursday, July 9, 2009 at 8:22pm*

**Child Psychology**

Sara sets up an experiment with a control group and an 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 ...
*Saturday, July 4, 2009 at 6:04pm*

**7th grade**

What is a feature article?
*Monday, June 29, 2009 at 2:32am*

**9th grade**

what is the amplitude of y=6 sin 1/8x
*Friday, June 12, 2009 at 1:24pm*

**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 at 9:11pm*

**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 at 8:27pm*

**4th grade**

can u help me solve 3.8+2-1.5
*Wednesday, June 10, 2009 at 8:04pm*

**Chemistry**

I am hoping to receive help getting started with this problem, possibly some steps in the correct direction. Here is the question: 5.0mLs of a 6.0M solution of HCl was transferred to a 1000ml volumetric flask and diluted to volume w/ water. 50mLs of this solution was then ...
*Tuesday, June 9, 2009 at 6:31pm*

**12th grade**

what are substitutes
*Tuesday, June 9, 2009 at 10:33am*

**7th grade**

What is Indirect measurement?
*Sunday, June 7, 2009 at 8:42pm*

**7th grade**

awhat is a polygon
*Sunday, May 31, 2009 at 10:14pm*

**9th grade**

Evaluate 3x^2 + 5y + 7 if x = -2 and y = 3 thanks in advance
*Wednesday, May 27, 2009 at 6:31pm*

**8th grade**

n+3=12
*Wednesday, May 27, 2009 at 5:06pm*

**7th grade home ec**

HELP
*Wednesday, May 27, 2009 at 11:43am*

**grade 7 math:algebra**

6x+5y+2x+3y=
*Tuesday, May 26, 2009 at 10:22pm*

**grade 7 math:algebra**

what is -2x-x+3x
*Tuesday, May 26, 2009 at 9:28pm*

**grade 7 math:algebra**

what is 2-3+9-1
*Tuesday, May 26, 2009 at 9:24pm*

**9th grade classes**

I'm choosing which classes I want to take for freshman year but I'm not sure what I need to take. Right now I've only decided on Geometry and English 1. What science do I take for 9th grade? I'm looking for the easiest courses available. Thanks -MC
*Tuesday, May 26, 2009 at 1:42pm*

**10th grade**

How do u do (3x)cubed
*Friday, May 22, 2009 at 10:07am*

**quantitative comparison**

compare the two quantities and determine whether the first one is the greatest, the second is the greatest, the two are equal, or the relationship cannot be determined from the information given... 1st: the slope of the line that contains A(2,4) and B(-1,3) 2nd: the slope of ...
*Monday, May 18, 2009 at 10:01pm*

**6th grade Math**

15>6x-9
*Thursday, May 14, 2009 at 12:09am*

**6th grade math**

How many oz are in 12 cups
*Wednesday, May 13, 2009 at 8:30pm*

**8th grade**

how do you simplify: 3x+6 ---- 3x^2
*Monday, May 11, 2009 at 7:39pm*

**algebra I need immediate help with this question T**

The 2nd question has a fraction and I think this is confusing me on this one f(x)=1/5(x+7)^2+7 I need to find the vertex line of symmetry max/min and is the value f(-7)=7 a minimum or a maximum?
*Sunday, May 10, 2009 at 2:35pm*

**math**

help me with sequences problem.So if the sequence is 2,5,10,17,26 +3 +5 +7 +9 1st difference +2 +2 +2 2nd difference then the nth term can be worked out by writing out : n 1 2 3 4 n squared 1 4 9 16 original sequence 2 5 10 17 nth term= n squared+1 but what about this question...
*Saturday, May 9, 2009 at 10:02am*

**7th grade**

11x=8x-6
*Friday, May 8, 2009 at 6:45pm*

**7th grade**

(3x-14)+(2x+9)??
*Tuesday, May 5, 2009 at 9:17pm*

**10th Grade Math**

What is 3X^2-7=11
*Monday, May 4, 2009 at 5:53pm*

**9th grade**

y/6>y/12+1
*Sunday, May 3, 2009 at 12:46pm*

**8th grade**

how do diagram a sententce
*Sunday, May 3, 2009 at 9:21am*

**4th grade**

can you convert 23 percent? -- 92
*Thursday, April 30, 2009 at 5:54pm*

**science**

CAN SOMEONE PLEASE HELP ME AND TELL ME IF IM RIGHT Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable. i think that the 2nd one ...
*Tuesday, April 28, 2009 at 8:37pm*

**SCIENCE**

CAN SOMEONE PLEASE HELP ME AND TELL ME IF IM RIGHT OR WHAT ????!!!!!!!!! Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable. i ...
*Tuesday, April 28, 2009 at 7:52pm*

**4th grade**

31% to decimal and then to fraction?
*Monday, April 27, 2009 at 9:55pm*

**11th grade**

xe^(x)-1 =0
*Sunday, April 26, 2009 at 8:05pm*

**5th grade math**

what is -7+(-3)=_______
*Thursday, April 23, 2009 at 9:08pm*

**Math**

Suppose you buy flour and cornmeal in bulk to make flour tortillas and corn tortillas. Flour costs $1.50/lb. Cornmeal costs $2.50/lb. You want to spend less than $9.50 on flour and cornmeal, and you need at least 4 lb altogether. Write a system of inequalities that describes ...
*Thursday, April 23, 2009 at 5:39pm*

**8th grade**

sovle 7x + 12x -9 - 4x -3
*Wednesday, April 22, 2009 at 10:31pm*

**4th grade**

find the difference 5/8-4/8
*Wednesday, April 22, 2009 at 8:07pm*

**4th grade**

find the range 1,3,4,5,8,9,10
*Wednesday, April 22, 2009 at 6:17pm*

**12th grade**

How far a
*Monday, April 20, 2009 at 10:25am*

**7th grade input/output patterns**

I need to see a completed example of input/output patterns at the 7th grade level. Thanks,
*Friday, April 17, 2009 at 6:44pm*

**10th grade**

solve (2x+3) exponet2over3=3
*Thursday, April 16, 2009 at 9:57pm*

**7th grade**

how do you know when something has energy?
*Wednesday, April 15, 2009 at 7:05pm*

**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 at 5:45pm*

**10th grade**

what is esterification
*Thursday, April 9, 2009 at 8:36am*

**10th grade math**

(-2x + 6)(x + 4) 4(13 - 6) - 4^2 + 3^3
*Tuesday, April 7, 2009 at 7:05pm*

**10th grade math**

(4x^4-3x^3-x+3) + (2x^3 + 3x - 4)
*Tuesday, April 7, 2009 at 7:00pm*

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