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July 25, 2014

July 25, 2014

Post a New Question | Current Questions

**Trigonometry**

1) If P'(2,-6) is the image of point P after the dilation D(to the 2nd power), what are the coordinates of point P? 2) A transformation maps (x,y) onto (x+2, y-1). Find the coordinates of A', the image of point A(-2,6) under the same transformation.
*Wednesday, February 24, 2010 at 9:40pm*

**spanish **

in reference to the last question it has to be a four letter word with the 2nd letter being a (o) I am not sure but otherwise the other question across from it said my stomach after a spaghetti dinner and that is a 5 letter word where it runs into the last question about Dan
*Tuesday, February 23, 2010 at 8:47pm*

**Science-drwls**

Y r the distances to the planets given in km? I've already answered the 2nd part to this question, and this is the fist part. I think that the distances to the planets are given in kilometres because all the planets aren't that far away from eachother that they need to...
*Monday, February 22, 2010 at 11:24pm*

**Science**

Y r the distances to the planets given in km? I've already answered the 2nd part to this question, and this is the fist part. I think that the distances to the planets are given in kilometres because all the planets aren't that far away from eachother that they need to...
*Monday, February 22, 2010 at 10:07pm*

**Probability II =) **

You are shown five cards, Three have X written on them and two have Y. The cards are turned over so the X abd Y are no longer visible, and shuffled/ One card is picked and laid face up on the table. It is an X. If the remaining cards are shuffled and another card is now laid ...
*Friday, February 19, 2010 at 5:18am*

**11th grade**

how do you graph y=-2?
*Thursday, February 11, 2010 at 2:02pm*

**4th grade**

2/5-1/10
*Wednesday, February 10, 2010 at 6:49pm*

**5th grade**

how many 2/3s are in 6?
*Monday, February 8, 2010 at 11:23pm*

**11th grade**

how do you do STOICHIOMETRY?
*Monday, February 8, 2010 at 8:51pm*

**7th grade**

what does transfusion
*Thursday, February 4, 2010 at 5:35pm*

**English 1**

what is the subject of the sent? Holly has been my best friend since grade school. A.friend B.school C.grade D.Holly
*Monday, February 1, 2010 at 8:56pm*

**English-Ms. Sue**

my other question; What is the purpose of this essay? How can you tell? The purpose of this essay is to give us a better understanding of puns. how can I tell? - In this essay it gives selections of puns, that are all different. Please add any more info, thanks. How would I ...
*Monday, February 1, 2010 at 8:34pm*

**Math B**

The path of a rocket fired during a fireworks display is given by the equation s(t)=64t2,( t do the 2nd power) where t is the time in seconds and s in the height in feet. What is the maximum height in feet the rocket will reach? In how many seconds will the rocket hit the ...
*Friday, January 29, 2010 at 4:40am*

**English **

Can somebody help me with commans? where do they commas go in these sentences? Or do they need them? 1) I give you homework becuase you need to learn commas. 2)If you fill in the commas you will be happy with your grade. 3) I will be happy as I grade you work if you show me ...
*Thursday, January 28, 2010 at 9:29pm*

**L.A.**

I'm doing quite a difficult crossword puzzle. one of them is "a young boy". so far i've figured out that the 2nd letter is an "a" and the last letter is a "t". come on you crossword puzzle lovers! Let's have some help :)
*Wednesday, January 27, 2010 at 6:10pm*

**Chemistry**

Write IUPAC name of the following alkanes: 1. (CH3)3-C-CH2-CH2-CH3 Would the name be 2,2-dimethylpentane? Wouldn't it look like this: CH3-C-CH2-CH2-CH3 with a CH3 on the top and bottom of the C, which would be the 2nd carbon... right? I don't understand why it would be...
*Tuesday, January 26, 2010 at 9:38am*

**Chemistry**

Write IUPAC name of the following alkanes: 1. (CH3)3-C-CH2-CH2-CH3 Would the name be 2,2,4-trimethylhexane? 2. CH3CHCH2CHCH2CH2CH3 with a CH3 attached to the 2nd carbon and the 4th carbon. Would the name be 2,4-diheptane? 3. CH3-C-C-CH3 with a CH3 attached to the top and ...
*Tuesday, January 26, 2010 at 8:31am*

**Math 7th grade**

34/6=(2x+1)/3
*Sunday, January 24, 2010 at 11:05pm*

**6th grade**

what is 6/7 divided by 3/14=
*Saturday, January 23, 2010 at 3:57pm*

**6th /7th grade science**

i have 2 daughters which are in 6th/7th grade, both of them have 1wk left to turn in their science projects.I have been looking with them to find a good one but haven't been succesful,maybe due to this is my first time doing one with them.My income at the time is not to ...
*Friday, January 22, 2010 at 12:03am*

**math**

An awards banquet is attended by 120 people. Ribbons are awarded for 1st, 2nd, and 3rd place in each 25 catagories. No one gets more than one ribbon. What percent of people attending the banquet receives a ribbon?
*Thursday, January 21, 2010 at 7:26pm*

**4th grade**

7 DIVIDE 85
*Thursday, January 21, 2010 at 5:58pm*

**6th grade**

how do I get 18 from these numbers: 9 18 20 24
*Thursday, January 21, 2010 at 12:04pm*

**8th grade**

how do we learn./
*Wednesday, January 20, 2010 at 9:07pm*

**6th grade**

what percent of 97 is 39
*Wednesday, January 20, 2010 at 6:06pm*

**5th grade**

(8+7)x3x2=
*Wednesday, January 20, 2010 at 11:34am*

**9th grade**

2(25y)
*Tuesday, January 19, 2010 at 8:22pm*

**grade 6**

is 0.273 bigger than 0.41 ?
*Tuesday, January 19, 2010 at 6:49pm*

**Chemistry**

Just checking to see if my answers are correct. 5mL of 0.1M NaOH and 5mL water. Pouring 1mL of solution from 1st test tube, 2nd to 3rd, etc. Concentration NaOH .1M Concentration pOH pH #1) .05 -log(.05)=1.3 14-1.3=12.7 #2) .005 -log(.005)=2.3 14-2.3=11.7
*Monday, January 18, 2010 at 9:48am*

**9th grade**

cuneiform was what?
*Thursday, January 14, 2010 at 6:20pm*

**7th grade**

d=3.5t t=1
*Wednesday, January 13, 2010 at 6:13pm*

**9th grade math**

y=-5x 2x-3y+17=0
*Sunday, January 10, 2010 at 11:34pm*

**7th grade**

(a+15)(a+7)
*Sunday, January 10, 2010 at 10:14pm*

**7th grade**

-2a - 3(b - 4a)
*Thursday, January 7, 2010 at 8:01pm*

**9th grade**

I'm doing this word search for my 9th grade honors physical science class, and i don't understand one thing. it says 'blue, striped and round are examples of this' when we're talking about matter and phases of matter and density/mass/weight/volume. stuff ...
*Wednesday, January 6, 2010 at 11:22pm*

**5th grade**

8 1/4 - 4 5/6
*Sunday, January 3, 2010 at 5:23pm*

**9th grade**

4y-9=15
*Wednesday, December 23, 2009 at 10:48am*

**math**

Your great uncle gave you $2 on your first birthday, $4 on your 2nd birthday, $8 on your 3rd birthday, and so on. (a) How much money will you receive on your 18th birthday? (b) How much money will you receive on your nth birthday and explain how to use your equation to find ...
*Tuesday, December 22, 2009 at 12:48pm*

**7th grade**

what is £300.00 - 2/7
*Sunday, December 20, 2009 at 6:24pm*

**math**

Your great uncle gave you $2 on your first birthday, $4 on your 2nd birthday, $8 on your 3rd birthday, and so on. (a) How much money will you receive on your 18th birthday? (b) How much money will you receive on your nth birthday and explain how to use your equation to find ...
*Monday, December 14, 2009 at 9:19am*

**7th grade**

what is a bar
*Friday, December 11, 2009 at 12:08am*

**8th grade**

how do you do 9-y=1.5x?
*Thursday, December 10, 2009 at 11:22pm*

**4th grade**

why is .4 equal to .40
*Thursday, December 3, 2009 at 9:07pm*

**9th grade**

What is communism?
*Thursday, December 3, 2009 at 8:13pm*

**ALGEBRA 1**

Use inductive reasoning to describe each pattern, then find the next two numbers in each pattern. 1,1/4,1/9,and 1/16... those are fractions except for the number 1 in front. Find the 2nd,5th, and 9th terms of each sequence. 1/2,1/3,1/6,and 0... those are fractions except for ...
*Wednesday, December 2, 2009 at 9:42pm*

**Algebra 1**

Use inductive reasoning to describe each pattern, then find the next two numbers in each pattern. 1,1/4,1/9,and 1/16... those are fractions except for the number 1 in front. Find the 2nd,5th, and 9th terms of each sequence. 1/2,1/3,1/6,and 0... those are fractions except for ...
*Wednesday, December 2, 2009 at 7:27pm*

**8th grade**

a=1m,b=3m
*Tuesday, December 1, 2009 at 10:22pm*

**English**

Today I am very busy, so would you like to go to classes by yourself? I have to grade students' activities.Their attitude grades, handout grades should be graded. Then I have to enter grade information on NEIS (This is a kind of program where teachers enter information.). ...
*Sunday, November 29, 2009 at 4:26pm*

**12th grade**

solve: 5/2x+1/4x=9/4+x
*Saturday, November 28, 2009 at 8:01pm*

**Dr. Bob...Chemistry**

you just answered a question for me, but the following are my answers to choose from. it was the 2nd question that I posted. about hydrocloric acid solution mixing with sodium bicarbonate. So, my answers to choose from are gas evolution, precipitation, acid-base neutralization...
*Friday, November 20, 2009 at 4:52pm*

**9th grade**

-[-7-2]+2*[1-4]
*Thursday, November 19, 2009 at 8:26pm*

**7th grade**

-6d/3 when d=-10
*Tuesday, November 17, 2009 at 9:07pm*

**grammar**

what is a predicate in 3 grade?
*Monday, November 16, 2009 at 9:21pm*

**HELP MATH**

Thank you for taking the time to respond. I am in the 5th grade. However word problems are a problem. On my homework sheet it says, Strategies Used.... Visual Thinking... My soloution First I... Then I... Next I... After that I... Finally I... My answer is... I think my answer...
*Monday, November 16, 2009 at 12:16am*

**6th grade**

15divided by 10 =
*Monday, November 9, 2009 at 6:48pm*

**Algebra**

The height of a rocket fired vertically into the air from the ground is given by the formula h(t) = -16t (2nd power) + 384t + 4, where t is measured in seconds. How long will it take to reach its maximum height and what is the maximum height reached by the rocket
*Monday, November 9, 2009 at 9:45am*

**7th grade**

(-4k)2+k2 solve
*Thursday, November 5, 2009 at 9:53pm*

**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**

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

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

**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*

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