Tuesday

September 30, 2014

September 30, 2014

Post a New Question | Current Questions

**math 115**

- (-4)3rd power + (-3)2nd power - .5 3rd power is 72.875 correct? The 4 is negative because its to the 3rd power, but the negative before it makes it positive, am I right? thanks
*Tuesday, November 3, 2009 at 9:13pm*

**9th grade**

-4+4y+1=-6y-13+5y
*Tuesday, November 3, 2009 at 8:47pm*

**4th grade**

what are complex animals
*Monday, November 2, 2009 at 6:55pm*

**4th grade**

arrary 4 x 36
*Tuesday, October 27, 2009 at 7:27pm*

**12th Grade Math**

How do you graph f(x)= ((x+5)(x-4)^(2))/((x-2)(x^(4))
*Tuesday, October 27, 2009 at 12:28am*

**7th grade**

what is the antonym for legacy
*Friday, October 23, 2009 at 12:49am*

**7th grade**

what is the answer -14.88 - (-20.88?
*Thursday, October 22, 2009 at 7:51pm*

**9th grade Spanish**

Write a letter to a new pen pal. Hola, Yo me llamo Claire y you tengo 14 anos. Yo tengo dos hermanas. Ellos tienen 16 y 11 anos. Ellos se llaman Erica y Amelia. Me gusta la pizza y el chocolate. No me gusta huevos. Que te gusta comer? Yo me gusta eschuchar el radio y dormir. ...
*Thursday, October 22, 2009 at 4:14am*

**7th grade**

3y-1=13-4y what is y?
*Wednesday, October 21, 2009 at 8:50pm*

**Physics**

A 12.0 kg shell is launched at an angle of 55 degrees above the horizon with an initial velocity of 150 m/s. When at its highest point, the shell explodes into 2 fragments - 1 fragments is 3 times heavier than the other. The 2 fragments reach the ground at the same time, ...
*Wednesday, October 21, 2009 at 6:52pm*

**11th grade**

5y=2x+3 can you put it in AX+By=C form
*Tuesday, October 20, 2009 at 9:56pm*

**8th grade**

how do you work this out? 5x-6x and 6x+2x-3
*Tuesday, October 20, 2009 at 8:19pm*

**8th grade**

-5+(5)
*Tuesday, October 20, 2009 at 7:57pm*

**math**

Between 50 and 100 grade 7 students at school are having a bbq. Each student will receive one hot dog. Hot dogs come in packages of 12 and buns in packages of 8. How many students are in grade 7, if all the packages of hot dogs and buns purchased are used up?
*Tuesday, October 20, 2009 at 5:14pm*

**8th grade**

I need help on this equation: -5(-3n+4)-12=13
*Monday, October 19, 2009 at 7:07pm*

**4th grade**

What is a PRIME NUMBER?
*Monday, October 19, 2009 at 3:46pm*

**economics**

If tbone steak cost 12.00 a lb and 1st util is 48, 2nd is 42, and 3rd util is 36 and we also buy ground round at 4.00 a lb and we derive 24 utils for the 1st lb, 16 for the second and 12 for the third and all we have to spend is 40.00 then how many lbs. of t-bone and ground ...
*Monday, October 19, 2009 at 10:39am*

**arithmetic**

I have a Q that im trying to solve: it says: the 1st , 2nd, and 3rd term of a geo. sequence is the same as the 1st, 7th and 9th terms of an arith. sequence.: I have to find the common ratio. So i know: a+8d = a(r^2) (1) a+6d = ar (2) but i don't know how to solve this ...
*Monday, October 19, 2009 at 6:29am*

**9th grade**

y=7 y=-1
*Saturday, October 17, 2009 at 1:37pm*

**12th grade**

1/7+3/5
*Friday, October 16, 2009 at 10:41am*

**9th grade**

what is physical education?
*Friday, October 16, 2009 at 10:37am*

**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 at 5:18pm*

**6th grade**

Were could I find LA.
*Thursday, October 15, 2009 at 4:31pm*

**9th grade**

(x+4)^5
*Wednesday, October 14, 2009 at 5:40pm*

**7th grade**

5f-6=
*Wednesday, October 14, 2009 at 5:11pm*

**Chemistry**

Write the two chemical equations that describe the conversion of magnesium into magnesium oxide. 2Mg(s)+O2(g)->2MgO(s?) First off, would MgO be a solid or gas? And I have no idea what the 2nd equation could be.. Can anyone give me a hint?
*Tuesday, October 13, 2009 at 8:30pm*

**6th grade**

y-12=16?
*Tuesday, October 13, 2009 at 6:10pm*

**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*

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Post a New Question | Current Questions