Sunday

April 20, 2014

April 20, 2014

Post a New Question | Current Questions

**4th grade math**

So if 26+6+10=? And you are try to find that out you add them that will be 102 then you divided by three you get your answer by the way I in 5 grade
*Thursday, January 9, 2014 at 7:38pm*

**8th Grade Connections Academy**

Connections Academy 8th grade Pennsylvania But I think all of the conncetion academy's have the same schoolwork as long as ur in the same grade
*Wednesday, January 8, 2014 at 6:06pm*

**Math grade 9**

not sure about grade 9, but I just checked an old grade 10 text from Ontario, and I used to teach it in 10 The proof followed your method using a general case.
*Friday, December 20, 2013 at 9:21pm*

**7th grade Social Studies Ms. Sue please!**

This is great I got an excellent grade! Thanks:)
*Thursday, December 19, 2013 at 10:46am*

**Business English**

That would depend on what grade you are in. If you are in ninth or maybe tenth grade and under it sounds fine, but if you are above that age range I would suggest making it sound more professional and convincing if you really want a good grade.
*Thursday, December 12, 2013 at 6:41pm*

**science**

October 2nd is my birthday!!!!!!! Lol
*Thursday, December 12, 2013 at 12:40pm*

**6th grade math**

1,2, and 3 are ok #4 has the right answer, but I don't like the way you stated your solution First of all, don't put equal signs in front of each new line when solving. Youre 2nd last line has no relation to the problem, what happened to the 5 ? here is how I would ...
*Wednesday, December 11, 2013 at 9:24pm*

**Math**

if you have a graphing calculator, go to catalog (normally you can get there by hitting the 2nd button than 0), then hit the alpha button and hit T then scroll up to stdDev which is standard deviation, hit enter, then type in the bracket (to get to is 2nd button then ...
*Sunday, December 8, 2013 at 5:58pm*

**help**

first number ----> machine ----> 2nd number ---> machine ---> 3rd number ----> machine ----> 4th number = 271 Machine basically multiplies the number by 3 and subtracts 2. So we work backwards. 271 + 2 = 273. Divide it by 3 to get the 3rd number, 91. Do the ...
*Friday, December 6, 2013 at 4:17pm*

**data management**

so, the answer would just be 1/6? or should it be 1/6 x 1/6= 1/36 since 2nd throw is 1/6 and fist is 1/6 too?
*Thursday, December 5, 2013 at 11:33pm*

**data management**

the 2nd throw must be a 6, with P=1/6
*Thursday, December 5, 2013 at 11:29pm*

**Physics I Newton's 2nd Law**

excuse me? One of the most fundamental identities is F = ma
*Wednesday, December 4, 2013 at 11:51pm*

**Can anyone help me with this?**

Disagree with 1. My Canada is the 2nd largest country in terms of area, but has only 35 Million, about 1/10 of yours. I would pick C
*Wednesday, December 4, 2013 at 4:59pm*

**Calculus**

at t=0, let the 1st boat be at (0,0) The 2nd boat is at (-c,c) So, at time t, the 1st boat is at (0,6t) and the 2nd boat is at (-c+5t,c) The distance is thus d^2 = (-c+5t)^2 + (c-6t)^2 = c^2 - 10ct + 25t^2 + c^2 - 12ct + 36t^2 = 2c^2 - 22ct + 51t^2 2d dd/dt = -22c + 102t dd/dt...
*Tuesday, December 3, 2013 at 8:45pm*

**Math**

None of those b/c the 2nd b is b^4 It is 8a^4b^3 + 6a^3b^4 - 2^3b^4
*Sunday, December 1, 2013 at 7:38pm*

**Trigonometry**

Thank you for your help. It's just that I didn't take functions in grade 11 and now I'm taking Advanced Functions in grade 12 and I'm difficulty with. Thanks for your help though.
*Sunday, November 24, 2013 at 7:04pm*

**Algerbra**

from the 2nd ---> y = x+4 sub into the 1st x^2 + (x+4)^2 = 58 2x^2 + 8x+16-58 = 0 x^2 + 4x - 21 = 0 (x+7)(x-3) = 0 x = -7 or x = 3 if x = -7, y = -7+4 = -3 if x = 3 , y = 3+4 = 7 x=3, y=7 or x=-7, y = -3
*Saturday, November 23, 2013 at 5:01pm*

**Physics, Elena Please Help If u can.**

i am solving the 2nd part now
*Wednesday, November 20, 2013 at 11:45pm*

**Physics, Elena Please Help If u can.**

please help in last question 2nd part
*Wednesday, November 20, 2013 at 10:11pm*

**Chemistry**

Hi can you help me with first part of 1st question . answer of 2nd part is 189
*Saturday, November 16, 2013 at 12:39am*

**math**

just expand it, and simplify y = (x-7)^2 - 5 y = x^2 - 14x +49 - 5 y = x^2 - 14x + 44 you do the 2nd one, let me know what you got.
*Wednesday, November 13, 2013 at 10:02pm*

**Algebra 1 (Reiny or Kuai)**

#1. p(1+4) - 2(p+6) = 6 5p - 2p - 12 = 6 3p = 18 p = 3 the 2nd question is correct, the point is NOT on the line
*Wednesday, November 13, 2013 at 9:54pm*

**Math**

Janice and Patricia each want to buy a new DVD player. They go to the Hot Electronics and find a DVD player for $75. Hot Electronics offers a different payment plan. Janice is going to pay $15 now, and then $7.50 per month. Patricia is going to pay $12.50 per month How much ...
*Monday, November 11, 2013 at 6:07pm*

**Algebra**

You are welcome, did you get the 2nd question?
*Thursday, November 7, 2013 at 9:14pm*

**Math**

If I I'm trying to find the average weight of a 2nd grade girl which would be the most effective and why? Mean, Median or Mode? If I'm trying to find the average cost of a home in a city which would be the most effective and why? Mean, Median or Mode? If I'm trying...
*Tuesday, November 5, 2013 at 12:32pm*

**physics(help)**

I didn't get the 2nd part, If I plug in 50*10*cos(30) , i get the answer wrong.
*Sunday, November 3, 2013 at 4:53am*

**PHYSICS(HELP)**

And also for sliding down the dome's 2nd part
*Sunday, November 3, 2013 at 4:40am*

**German**

Ihnen or euch (recall that Sie and Ihnen are both capitalized when used as 2nd person)
*Friday, November 1, 2013 at 6:29pm*

**Substution Soluton MATH**

3. Assuming it was a typo and the 2nd equation was 4x+2y = 8, notice that both terms contain 2y as the y-term. The method I used is called "elimination". if we subtract the two equations, of course we can only add/subtract like terms, I get: 6x-4x = 2x 2y - 2y = 0...
*Thursday, October 31, 2013 at 9:15am*

**algebra**

if 2nd side is x, then we have x+2 + x + 2x = 34 4x + 2 = 34 x = 8 so, the sides are 10,8,16
*Sunday, October 27, 2013 at 5:16pm*

**Algebra Help**

let rate in 1st leg be x mph time takenfor 1st leg = 24/x hrs rate for 2nd leg = x-10 time for 2nd leg = 6/(x-10) remaining distance = 80-24-6 = 50 miles time for last leg = 50/(1.5x) time for whole trip at x mph = 80/x difference in times = 22 minutes = 22/60 hrs 80/x - 24/x...
*Friday, October 25, 2013 at 9:50pm*

**algebra 2**

total cost is (p+4.50) so, the 2nd equation is correct (except for the typo :-))
*Thursday, October 24, 2013 at 5:24pm*

**physics**

Do you know the 2st and 2nd one,,help plzz.??
*Thursday, October 24, 2013 at 8:24am*

**Math**

If my mid-term is worth 15%, and my grade is 100% right now. If I get 0 on the exam, my grade would be 85% right?
*Wednesday, October 23, 2013 at 1:13am*

**Physics Classical Mechanics**

please could you help me with the 3rd(2nd part) one and the 4th one..plzzz help
*Tuesday, October 22, 2013 at 10:21am*

**Physics**

It's actually 7.643 N for (a) and 18.5 m/s^2 for centripetal acceleration in (b). Please help with the 2nd part!
*Monday, October 21, 2013 at 6:45pm*

**History**

If I remember correctly from 5th grade (I'm in eighth grade now), my textbook said that the first college in the US was Harvard.
*Monday, October 21, 2013 at 12:40pm*

**Algebra 2**

a scalar multiple of a matrix multiplies every element inside the matrix. So, the 2nd row becomes [3 4 3/2 -1]
*Monday, October 21, 2013 at 3:34am*

**math**

well, the x^2 term will not go away, so it will be a 2nd-degree expression. Simplify it and note that there are 3 terms, so it's a trinomial.
*Saturday, October 19, 2013 at 3:36pm*

**math**

My 2nd answer for 6th is C, is that correct?
*Tuesday, October 15, 2013 at 12:43am*

**Geometry**

Simplify (6t to the fifth power) with whole expression in parenthesis to the 2nd pwr.
*Thursday, October 10, 2013 at 1:54am*

**physics (it's rather urgent help is appreciated**

i didn' t got that, the 2nd last question right?
*Sunday, October 6, 2013 at 10:09am*

**algebra can someone help my buddy ray out**

for y = 3(x+2)^2 the vertex is (-2,0) and the axis of symmetry is x = -2 According to the choices, you probably forgot to add/subtract at the end. if it is y = 3(x+2)^2 + c then the vertex is (-2,c) for the 2nd, y = 2(x-3)^2 - 4 the vertex is (3,-4) and it opens upwards, So ...
*Saturday, October 5, 2013 at 7:47am*

**logical reasoning**

how to write 2nd oct 2013 in 6 letters without using numbers
*Thursday, October 3, 2013 at 1:31pm*

**Statistics**

Sorry for the 2nd post...please omit...
*Wednesday, October 2, 2013 at 7:25pm*

**Algebra**

If x is the 2nd side, then (x+6)+x+(2x-5) = 25 x = 6 and the sides are 12,6,7
*Monday, September 30, 2013 at 11:41pm*

**English**

I'm not sure, but I'd probably say it like this: Chee - ah - rah ( with the stress on the 2nd syllable.
*Monday, September 30, 2013 at 6:12am*

**Science**

If I were to draw a skydiver how would I make that an example of the 2nd law???
*Sunday, September 29, 2013 at 3:11pm*

**Calculus Please Help??**

For your 2nd part, did you get the partial fraction breakdown of -2x/(x^2+4) - 3/(x-5) from (-5x^2 + 10x - 12)/((x-5)(x^2+4)) ? then your integral would be -ln(x^2+4) - 3ln(x-5) + a constant let me know what you get for your last question.
*Friday, September 27, 2013 at 9:09pm*

**programming**

Grades are assigned on the standard 90, 80, 70, 60 scale. You are to write an algorithm which will receive a student name and a percentage grade and display the letter grade to be awarded
*Thursday, September 26, 2013 at 2:46am*

**Grammar Advisor**

Are these correct? I mark my answer with an X. 88. The reason to list all of the preliminary (non-procedural) information in a lesson plan is to be sure have considered each aspect. keep good records for your future needs. be able to communicate clearly with administrators, ...
*Wednesday, September 25, 2013 at 10:17pm*

**history/politics**

thank you Ms.Sue.. that helped a lot.. I have a 2nd question.. What is a duel? ie. Alexander Hamilton vs Aaron Burr. was it a rivalry/opposition?
*Sunday, September 22, 2013 at 7:21pm*

**maths**

first can flip in 2 ways, the 2nd in 2 ways ..... number of outcomes = (2)(2)(2)(2) = 16
*Sunday, September 22, 2013 at 10:57am*

**Math**

-(5) to the 2nd power
*Thursday, September 19, 2013 at 6:50pm*

**science**

If both cans are thrown with the same velocity, then the first can must be on its way down when they collide, and the first can will be going up. For the first can, vt-4.9t^2 = 5 t = 5/49 (v+√(v^2-98)) the 2nd can has been going up for only t-4 seconds, so v(5/49 (v+&#...
*Wednesday, September 18, 2013 at 5:51pm*

**7th Grade**

Obviously, most readers of this board have been in 7th grade. I've even taught 7th grade. However, different states, even different schools, teach different things in 7th grade science. Some emphasize biological science, others emphasize physical science. Why not check ...
*Monday, September 16, 2013 at 9:56pm*

**7th Grade**

I just wanna know anyone who's been in 7th grade what do you learn in science mostly throughout the year??
*Monday, September 16, 2013 at 9:51pm*

**pre-algebra**

g = 3/4 b g+b=1400 7/4 b = 1400 b = 800 g = 600 1st grade boys: 1/5 * 800 = 160 1st grade girls: 1/6 * 600 = 100 total 1st grade: 260 others: 1140
*Friday, September 13, 2013 at 12:19am*

**Alebra**

here is the 2nd part of the question B. Ben runs for 25 hours. For how many hours does he walk?
*Sunday, September 8, 2013 at 4:42pm*

**Intermediate Algebra**

name the type of polynomial and give its degree for 7x to the 3rd power + 6x to the 2nd power -2=
*Saturday, September 7, 2013 at 1:56pm*

**chemistry**

Isn't it 2 moles of KCL, from the balanced equation? for the 2nd step (mole ratio)
*Thursday, September 5, 2013 at 8:05am*

**URGENT 8th Grade Math**

I think so, but I dont know about the last. I am in the *th grade, but honestly I am not 2100% sure. Sorry just trying to be helpful. kathi anderson forever never lasts
*Wednesday, September 4, 2013 at 12:34pm*

**Math**

Approximately 15% of the students in ST130 obtain A grade. If 3 students are selected at random, find the probability that a)all of them obtain A grade in ST130. b)Exactly 2 obtain A grade in ST130. c)at least one obtain A grade in ST130
*Tuesday, August 27, 2013 at 4:26am*

**Algebra**

No. These two are both separate problems. The book asks to simplify each problem. And for the 2nd problem the index is a four.
*Monday, August 26, 2013 at 11:57pm*

**Mathematics**

that's the same as asking what's the chance of the 2nd child being a boy.
*Friday, August 23, 2013 at 4:36am*

**Math**

1st leg - 4 h 2nd leg - 6 h So 480 km in 10 h 48km/h
*Tuesday, August 13, 2013 at 7:46am*

**math**

Represent the unknown with variables: Let x = amount of premium grade gasoline sold in gallons Let x+420 = amount of regular grade gasoline sold in gallons (according to the third statement) Then we set up the equation. We know that the total worth of gasoline sold is 10,957. ...
*Monday, August 12, 2013 at 2:57am*

**Math**

strange question Are you saying his annual payment is $2500 + the interest? If so, then ... Balance now = $50,000 interest at end of 1st year = $7000 payment = 2500 + 7000 = $9500 Balance at end of 1st year = $47,500 interest at end of 2nd year = $6,650 payment at end of 2nd ...
*Thursday, August 8, 2013 at 10:19am*

**Calculus-HELP PLZ !!!!**

Find the complete general solution to the 2nd ODE: 9y'' + 9y' - 4y = 0
*Monday, July 22, 2013 at 4:37pm*

**Calculus**

Find the complete solution to the 2nd ODE: 2y''+3y'+y=t^(2)+3sin(t)
*Thursday, July 18, 2013 at 6:15pm*

**math**

The bar means the 2nd 89 REPEATS continuously.
*Saturday, July 6, 2013 at 4:14pm*

**math**

The 2nd 89 REPEATS continuously.
*Saturday, July 6, 2013 at 4:10pm*

**Eth/125**

My 2nd thought was B because I really haven't heard of the others
*Thursday, July 4, 2013 at 7:31pm*

**how to write 2nd may 2011 in 5 letters without usi**

gfdgh
*Saturday, June 22, 2013 at 7:05am*

**how to write 2nd may 2011 in 5 letters without usi**

gfdgh
*Saturday, June 22, 2013 at 7:05am*

**how to write 2nd may 2011 in 5 letters without usi**

gfdgh
*Saturday, June 22, 2013 at 7:02am*

**algebra**

if the length y is a function of the mass, x, then y = ax+b 2a+b = 12 5a+b = 18 subtract 1st from 2nd to get 3a = 6 a = 2 2*2+b=12, so b=8 y = 2x+8
*Sunday, June 16, 2013 at 3:10pm*

**French**

Apparently therre are no questions on the 2nd day, so I'll not be back. Sra (aka Mme)
*Saturday, June 15, 2013 at 12:57pm*

**Physics/Mechanics**

anyone got the 2nd answer???
*Tuesday, June 11, 2013 at 12:21am*

**tenses**

The subject (muffins) is certainly plural, but it's not first person. 1st: I,we 2nd: you 3rd, he,she,it,they Given that, what does it have to do with tenses?
*Monday, June 10, 2013 at 12:19pm*

**Math**

For the 2nd one I'm getting 299..however my answer choices are 500, 450, 280, or the ball travels an infinite distance
*Saturday, June 8, 2013 at 4:55pm*

**maths**

if tan theta= -13/12 where theta is in 2nd quadrant find remaing trigonometric ratios
*Thursday, June 6, 2013 at 9:42am*

**Physics**

Here, CSA of first rod = C CSA of first rod = D Thermal Conductivity of first wire = a Thermal Conductivity of 2nd wire = b Let the length of the two wires be L Temperature difference at the ends be ∆T Now by law thermal conduction for first conductor ∆Q/∆t...
*Monday, June 3, 2013 at 8:58am*

**how to write 2nd may 2011 in 5 letters without usi**

TODAY
*Saturday, June 1, 2013 at 4:08pm*

**how to write 2nd may 2011 in 5 letters without usi**

Today
*Friday, May 31, 2013 at 11:33am*

**algebra**

The 2nd equation is the 1st equation multiplied by -3. So, they are the same line, and there are infinitely many solutions.
*Thursday, May 30, 2013 at 11:03am*

**SAT math**

I actually think the 2nd one has no real solutions...
*Wednesday, May 29, 2013 at 5:00pm*

**Physics**

Are these the formulas for 2nd problem?
*Saturday, May 25, 2013 at 4:20am*

**MATH HELP!!**

How many ways can 12 horses in a race come in 1st, 2nd, and 3rd place
*Friday, May 17, 2013 at 8:54pm*

**Algebra 2**

No, they don't they fit the first equation, but not the 2nd. Only (0,0) works in both
*Friday, May 17, 2013 at 10:53am*

**Probability Math**

A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What is the expected number of Grade 10 students on the committee?
*Tuesday, May 7, 2013 at 9:29pm*

**Physics**

Any one for 2nd and 4th question all parts??
*Saturday, May 4, 2013 at 11:54pm*

**physics**

Given data: 1st rod: L₁, T₁, x₁, a => A₁=a²; 2nd rod: L₂, T₂, x₂, d => A₂= πd²/4; Hook’s Law for rods: σ=Eε T/A = E•x/L, 1st rod: T₁/a²= E•x₁/L₁, 2nd rod: 4T&#...
*Sunday, April 28, 2013 at 2:01pm*

**School (Plz read, really important)**

Am I eligible to get a President's Award for Educational Excellence or the President's Award for Educational Achievement and Daughters of the American Revolution??? Here are my grades from last year and this year so far and everything else I accomplish: 7th Grade - 93....
*Sunday, April 28, 2013 at 12:40pm*

**algebra**

rate of 1st person = 25/4 ft^2/h rate of 2nd person = 25/5 ft^2/h combined rate = (25/4+25/5) or 45/4 ft^2/h so area in 8 hrs = 8(45/4) ft^2 = 90 ft^2 or 1st person can do 25 fT2 in 4 hrs, so he can do 50 ft^2 in 8 hrs 2nd person does 25/5 or 5 ft^2 in 1 hour , so in 8 hours ...
*Thursday, April 25, 2013 at 7:51am*

**?**

Let me see if I understand how to find your grade now. So this time if there are 60 questions and you miss 15 your grade would be a 72?
*Tuesday, April 23, 2013 at 8:21pm*

**?**

If there's 60 questions on a homework paper and you miss 10 what would your grade be? I forgot how to find out your grade.
*Tuesday, April 23, 2013 at 7:17pm*

**programming**

Here's a little perl program that handles the job: sub Ceil { my $x = shift; int($x+.9999); } print "Numeric grades for midterm and final: "; my ($m,$f) = split /[,\s]/,<STDIN>; $avg = Ceil(($m+2*$f)/3); $grade = qw(F F F F F F D C B A A)[int($avg/10)]; ...
*Wednesday, April 17, 2013 at 11:41am*

**math**

mmmh, been messing around this for a while from 1st: x(x + y + 1) = 81 from 2nd: y(y + x + 1) = 51 divide them: x/y = 81/51 81y = 51x -----> y = 51x/81 sub that into x^2 + xy + x = 81 81x^2 + x(51x/81) + x = 81 81x^2 + 51x^2 + 81x = 6561 132x^2 + 81x - 6561 = 0 x = (-81 &...
*Tuesday, April 16, 2013 at 8:59am*

**Literature Help?**

The 2nd sentence is correct - No one likes to be uncomfortable while sleeping.
*Tuesday, April 16, 2013 at 12:15am*

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