Wednesday

April 23, 2014

April 23, 2014

Post a New Question | Current Questions

**chemistry**

A pH of 9.27 is between the 1st and 2nd equivalence points; therefore, the solution is a mixture of H2A^- and HA^2-. I would use the Henderson-Hasselbalch equation and solve for the Base/Acid ratio. That should tell you which species predominates.
*Friday, May 13, 2011 at 8:07pm*

**8th grade math**

a basketball player scored 8 pts total during 1st and 2nd quarters of a game. During the 3rd quarter she scored 3 times as many pts as she did in the 4th quarter. Let P = the # of pts the player scored in the 4th quarter. Write and simplify an expression to represent the total...
*Wednesday, May 11, 2011 at 12:52pm*

**statistics**

what the error is: a) Grade Percent Frequency A 20% B 45% C 30% D 10% F 5% (b) The following table summarizes the grade breakdown on an exam in a small statistics class with 10 students. Grade Percent Frequency A 30% B 35% C 15% D 20% F 0%
*Monday, May 9, 2011 at 2:57pm*

**Physical Science**

Hi... well anyways so I am in 7th grade but I'm taking 8th grade science...I think...I know for sure that I am in Accelerated 7th grade science so if that helps at all, there you go:) Back to the subject I'm really confused with acceleration calculation and velocity, ...
*Monday, May 2, 2011 at 7:55pm*

**calculus**

sorry, there is no product rule here in the 1st derivative, but there will be one in the 2nd
*Sunday, May 1, 2011 at 7:52pm*

**math**

Guys, here is the answer. Ball is dropped from a height of 15 feet and each bounce it goes to 3/5 as high as the preceding one. Now, total distance traveled in: 1st drop:15 (till it hits the ground) 2nd drop:(15*3/5)=9*2=18 [Multiply by 2 as distance to go up (15*3/5) and to ...
*Sunday, April 24, 2011 at 8:11pm*

**algebra**

1st Step Have each each scenario equal each other 120 + .40x=230+.35x x-2200 For all amounts over 2200 plan be will save her money
*Thursday, April 21, 2011 at 12:45am*

**Algebra**

Rate of 2nd cyclist = X mi/h. Rate of 1st cyclist = (x+10) mi/h. Eq1: d2 = Xt = 210mi. X = 210 / t. Eq2: d1 = (X+10)(t-2.4) = 210mi. In Eq2, substitute 210/t for X: (210/t+10)(t-2.4) = 210, 210-504/t+10t-24 = 210, -504/t+10t-24 = 210-210, -504/t+10t-24 = 0, Multiply both sides...
*Wednesday, April 20, 2011 at 5:26pm*

**Speech**

the 1st one i picked b the 2nd i picked d
*Wednesday, April 20, 2011 at 10:56am*

**Maths**

In decimal fraction 3.01208000 1st and 2nd zeros are significant, 3rd, 4th, 5th aren't
*Tuesday, April 19, 2011 at 7:11pm*

**geometry**

The 1st point could be at 0 deg. Then the 2nd point would be 5 deg West of North.
*Sunday, April 17, 2011 at 9:27pm*

**spelling**

All of those words have th or ch or sh in them. Where in each word is the "h"? 1st? 2nd? 3rd? Where? Then put them in order.
*Wednesday, April 13, 2011 at 6:20pm*

**all**

Click on 8th grade under GRADE LEVELS on the left.
*Sunday, April 10, 2011 at 8:21pm*

**4th grade math**

at my school most of us make the same grade so......................
*Thursday, April 7, 2011 at 6:39pm*

**4th grade**

everybody knows long division in 4th grade where i'm at they teach it in 3rd grade
*Thursday, April 7, 2011 at 5:08pm*

**College Algebra**

Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?
*Wednesday, March 30, 2011 at 12:36pm*

**math**

I am sure you meant: (a+b)/5 = (b+c)/6 = (c+a)7 = k 1st = 2nd: -----> 6a + 6b = 5b + 5c b = 5c - 6a (#1) 1st and 3rd: ----> 7a+7b = 5a+5c 2a = 5c-7b (#2) sub #1 into #2 2a = 5c - 7(5c-6a) c = 4a/3 2nd and 3rd: 6a+6c = 7b+7c c = 6a-7b (#3) so 4a/3 = 6a - 7b 4a = 18a - 21b...
*Monday, March 28, 2011 at 8:41am*

**math**

Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the nearest pound.
*Wednesday, March 23, 2011 at 6:05pm*

**math**

Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the nearest pound.
*Wednesday, March 23, 2011 at 6:05pm*

**math**

how do you rewrite the expression to the 1st power of cosine by using power-reducing formulas? PLEASE AND THANK YOU :D sin^2xcos^4x
*Monday, March 21, 2011 at 12:51am*

**History Question**

That's really your own opinion. What I would do is research some important amendments. I like the 1st - freedom of speech.
*Sunday, March 20, 2011 at 9:29pm*

**11th grade**

Did you get an answer for this? I'm in 9th grade and am doing the same problem
*Sunday, March 13, 2011 at 9:59am*

**double integral**

1. Sketch the region of integration & reverse the order of integration. Double integral y dydz... 1st (top=1, bottom =0)... 2nd(inner) integral (top=cos(piex), bottom=(x-2)... 2. Evaluate the integral by reversing the order of integration. double integral sqrt(2+x^3) dxdy... ...
*Friday, March 11, 2011 at 12:13am*

**maths**

The probabilities of a student getting grade A, B, C and D are 0.2, 0.3, 0.15 and 0.35 respectively. Then the probability that the student gets 1) At least C grade is __________ 2) At most C grade is ___________
*Thursday, March 10, 2011 at 1:44am*

**Science**

The skydiver has fries and a milk shake. Whay is he so nervous? Because he is???????? 4 words total.. The 1st and 2nd are 2 letters. The 3rd and 4th are 3 letters. Using these letters to solve UTAHNIIEUR
*Monday, March 7, 2011 at 9:14pm*

**Writing**

This looks good -- although I wouldn't capitalize the team names. I can't give you a grade because I don't know what your assignment was, your teacher's expectations, nor your grade level.
*Monday, March 7, 2011 at 9:02pm*

**algebra**

for similar triangles, the ratio of the sides of the first triangle is equal to the ration of the corresponding sides of the second triangle,, like: let h1 = height of 1st triangle let h2 = height of 2nd triangle let b1 = base of 1st triangle let b2 = base of 2nd triangle ...
*Saturday, March 5, 2011 at 7:15pm*

**8th grade**

i have this at 7th grade
*Wednesday, March 2, 2011 at 5:49pm*

**6th grade science**

What are Newton's three laws on motion in sixth grade lingo?
*Tuesday, February 22, 2011 at 9:47pm*

**AP physics**

See 1st link below under Related Questions. This almost exact problem was answered.
*Friday, February 18, 2011 at 9:18pm*

**6th grade science fair project**

My 1st variable change is-- Heat applied, - Agreed my 2nd variable change is--item appling the heat(candle versus sterno can), -Agreed my 3rd variable change is--spot of heat application (depth). -Agreed My Dependent variable is---velocity of the currents. Agreed this is the ...
*Wednesday, February 16, 2011 at 10:06am*

**ap chem**

Convert pH 3.0 to (H^+) using pH = -log(H^+). Convert pH 5.6 to (H^+). Divide 1st by the 2nd to find the ratio acid/normal
*Monday, February 14, 2011 at 12:23am*

**math**

Please check your 1st post for an answer before reposting. This question was answered earlier today.
*Saturday, February 12, 2011 at 9:02pm*

**math**

A = Lw 12y^3+48y^2+24y Factor into 2 factors. 1st factor = w 2nd factor = L
*Thursday, February 10, 2011 at 9:07pm*

**math !!!! :O**

Your question was answered . See your 1st post. Please have patience. Tutors volunteer their time to answer your questions. If you haven't received an answer after 6 - 12 hours, then repost.
*Wednesday, February 9, 2011 at 9:15pm*

**algebra**

A = Lw 16y^7 + 32y^5 + 80y^3 Factor into 2 factors. 1st factor = w 2nd factor = L
*Wednesday, February 9, 2011 at 8:02pm*

**WRITING(CHOCOLATE BAR)**

can u tell me the rating of this chocolate bar? if it was rated 1st, 2nd etc...
*Tuesday, February 8, 2011 at 8:30pm*

**REPORT CARD QUESTION**

hoh yes im o the 1st class !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! YESSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
*Monday, February 7, 2011 at 6:40pm*

**English**

When you are doing a bibliography and your book shows 15 different cities it was published can you list just the 1st city....can't find the answer. Thanks
*Sunday, February 6, 2011 at 7:42pm*

**Physics**

The initial velocity of 1st bounce is much higher and continues to get lower after each bounce.
*Saturday, February 5, 2011 at 4:26pm*

**Algebra**

Please check your 1st post. Also, please have patience. Tutors volunteer their time answering questions. Sometimes an answer is given very quickly and other times it could take a few hours.
*Friday, February 4, 2011 at 9:32pm*

**COLLEGE ALGEBRA**

Please don't repost without checking your 1st post for an answer. See your post below.
*Thursday, February 3, 2011 at 9:55pm*

**4th grade**

hi i cant find the stupid answer im in 4th grade inrichment i NEED help!!!!
*Wednesday, February 2, 2011 at 3:35pm*

**geometry**

Please do not repost a question without first checking your original post. See your 1st post. This question was answered.
*Tuesday, February 1, 2011 at 9:07pm*

**math 5th grade**

I need help on 5.9 (A) im fifth grade.....
*Tuesday, February 1, 2011 at 8:12pm*

**math**

On the 1st day the movie opened 35 people saw it. On the 2nd day 16 more people came than on the 1st day so that 86 people had seen the movie after the second day. On the 3rd day 67 people came, 16 more than on the 2nd day, If each day 16 more people saw the movie than the day...
*Monday, January 31, 2011 at 8:26pm*

**Statistic**

Delisha/James, please see your 1st post at 1:21 am under "James". Your post was answered there.
*Monday, January 31, 2011 at 1:01pm*

**geometry **

Your post was answered below. Please don't repost a question without first checking to see if your 1st post was answered.
*Friday, January 28, 2011 at 1:21am*

**Help**

Yes, x = 3 See your 1st post. I had a typo, and corrected it below.
*Thursday, January 27, 2011 at 7:49pm*

**math**

See the 1st link below under Related Questions. This exact problem was answered.
*Wednesday, January 26, 2011 at 7:16pm*

**Math**

See 1st link below under Related Questions. This exact question was answered.
*Wednesday, January 26, 2011 at 2:54pm*

**Physics**

See the 1st link below under Related Questions. A similar problem was answered.
*Tuesday, January 25, 2011 at 11:41pm*

**Physics**

See the 1st two links below under Related Questions. This almost exact problem was answered.
*Tuesday, January 25, 2011 at 10:48pm*

**Trig **

See your 1st post for the answer. And, please check your original post for an answer before reposting.
*Tuesday, January 25, 2011 at 10:31pm*

**math**

Duplicate post. See your 1st post.
*Tuesday, January 25, 2011 at 9:14pm*

**Math**

See your 1st post below. I just finished your problem. Let me know if you think I understood your problem.
*Tuesday, January 25, 2011 at 5:35pm*

**Algebra**

x = 1st angle 2x = 2nd angle x + 2x = 180 Solve for x
*Saturday, January 22, 2011 at 6:59pm*

**phy**

see 1st link below under related questions. a very similar question was answered.
*Friday, January 21, 2011 at 7:49pm*

**Geometry**

sorry, I didn't know that. you should have said that in your 1st post above. the tutors would see that this question was answered and refer you to the original answer.
*Friday, January 21, 2011 at 7:40pm*

**biology**

see 1st link below under related questions. this exact question was posted recently. a link is provided with info that you might find useful.
*Friday, January 21, 2011 at 6:58pm*

** Statistics**

see 1st link below under 'Related Questions' for this exact problem
*Friday, January 21, 2011 at 2:59pm*

**third grade hw help**

My third grade is needing help with his science homework please the question is as follow List as many resources as you can that you use during one day? Thanks!
*Wednesday, January 19, 2011 at 7:43pm*

**math**

see post above or look at answer to the 1st time you posted this below
*Thursday, January 13, 2011 at 8:56pm*

**algebra**

see 1st link below under related questions
*Thursday, January 13, 2011 at 8:54pm*

**MATH**

I posted twice, just ignore the response @ 9:43 pm saying "ignore" my 1st post with your problem solved is correct
*Wednesday, January 12, 2011 at 9:50pm*

**math**

The player that goes 1st gets all of the odd numbers including # 29.
*Wednesday, January 12, 2011 at 8:05pm*

**algebra**

see 1st link below under related questions
*Wednesday, January 12, 2011 at 6:04pm*

**math**

see 1st link below, this same problem was illustrated yesterday.
*Tuesday, January 11, 2011 at 3:51pm*

**Math**

Derive an Eq for the 1st prob. If it does not match, set-up the next problem. Continue until you find the Eq that matches. F. Amt requested = X dollars, Amt ea gave = (X + 20) dollars, Eq: 5(X + 20) = 500. Not a match. G. 1st acc. inv. X dollers. 2nd acc. inv. (X + 20) dollars...
*Monday, January 10, 2011 at 6:44pm*

**Algebra**

let a = 1st angle, b = 2nd angle a + 1/4 b = 63.75 a + b = 90 solve this set of equations for your answer
*Saturday, January 8, 2011 at 9:49pm*

**business math**

Scroll down and click on the 1st and 5th links there.
*Thursday, January 6, 2011 at 2:16pm*

**3rd grade Math**

I would be very interested to learn how a grade 3 teacher would handle this type of question without relying on algebraic methods such as shown above by PsyDAG and helper. This sure looks like some fancy advanced grade 3 stuff.
*Thursday, January 6, 2011 at 12:46pm*

**math**

Multiply the 2nd equation by 3 and you'll get 6x - 15y = -3 "Add" this equation to the 1st equation and you eliminate the y variable and get 14x = 10.Therefore, x = 5/7. Substitute this into one of the original equations and solve for y.
*Sunday, January 2, 2011 at 3:57pm*

**3rd grade Shurley English**

All are correct. That is very impressive for third grade level.
*Wednesday, December 15, 2010 at 8:29pm*

**7th grade**

Okay, so what are the axiom names? (honors math) Should this go in the 8th grade place? Oh well...
*Monday, December 13, 2010 at 7:01pm*

**7th grade science?**

Please identify the School Subject other than 7th grade. Sra
*Monday, December 13, 2010 at 6:24pm*

**us history**

he dosent so can u help me more like give me the answers i need help and its due 2morrew 1st hour.
*Sunday, December 12, 2010 at 2:44pm*

**8th grade**

8th grade is NOT the School Subject. Select that carefully so the right teacher will read and answer y our post. Sra
*Saturday, December 11, 2010 at 1:48am*

**Math**

2nd: C = B-A 3rd: C = A+A so B-A = 2A B = 3A In 1st: A^2 = 3A a^2 - 3A = 0 A(A-3) = 0 A = 0 or A = 3 if A=3, B = 9, C = 6 if A=0, B=0, C=0
*Thursday, December 9, 2010 at 9:38pm*

**5th grade**

how to do a double line graph with 2 superbowl teams scores with their mode median,and range for the first seven games. this is so hard for fifth grade. i need help
*Thursday, December 9, 2010 at 12:42pm*

**6th grade**

The School Subject is not 6th grade. Perhaps MATH ? Label carefully. Sra
*Tuesday, December 7, 2010 at 2:27am*

**10th grade**

10th grade is NOT the School Subject. Math, perhaps? Please label carefully so the right teacher will read and answer your post. Sra
*Friday, December 3, 2010 at 8:54pm*

**Math**

1st- 110 2nd- 55 3rd- 110 4th- 55 5th- 60 Pretty sure that's correct
*Thursday, December 2, 2010 at 7:23pm*

**English(how is it?)**

If the 12th grade was abolished, then the 11th grade would seem like 12th grade and the same thing would happen..
*Thursday, December 2, 2010 at 10:22am*

**6th grade**

Of the sixth-grade students surveyed, 12% bring their lunches to school. Suppose 24 sixth-graders do this? How many sixth-grade are at the school?
*Wednesday, December 1, 2010 at 11:56pm*

**5th grade**

Select the School Subject carefully = MATH, for example? Labeling it 5th grade, you take the chance of no one's reading it. Sra
*Wednesday, December 1, 2010 at 10:44pm*

**7th grade**

The School Subject should be math? Then the right teacher will read it and answer it. 7th grade means most people will skip it. Sra
*Wednesday, December 1, 2010 at 5:58pm*

**4th grade**

The School Subject is not 4th grade. Label it carefully (math, perhaps?) so the right teacher reads and answers it. Sra
*Wednesday, December 1, 2010 at 10:10am*

**Science (6th grade, but actual 7th grade paper)**

on the long ramp because it has a higher degree of potential energy
*Tuesday, November 30, 2010 at 9:07pm*

**8th grade math**

hi my name is kendall in 9 in 4th grade i want to skip grades im a nerd im very smart and I talk alot but I stop talkng in school so I hope you help me skip grades to 7th grade thank you.
*Sunday, November 28, 2010 at 10:36am*

**MTH 156**

Correct for the 1st one. For the second, since the width is the same, you can calculate the percentage decrease in the length. The third one has to do with LCM.
*Saturday, November 27, 2010 at 12:33pm*

**6th grade**

The School Subject is NOT 6th grade. Please label it carefully (MATH, for example?) so that the correct teacher will read your post & answer it. Sra
*Monday, November 22, 2010 at 9:23pm*

**Accounting II**

What would be the journal entry to record ten $2,000, 6%, 10 year bonds at 96 on January 1st?
*Friday, November 19, 2010 at 7:28pm*

**6th grade**

Please identify the School Subject carefully, not your grade, so the right teachers read and answer your post. Sra
*Friday, November 19, 2010 at 12:00am*

**MATH HELP ME 1st**

I'm sorry -- I meant that your subject is immature and rude. If the signs are the same, then the answers to multiplication and division problems are positive.
*Thursday, November 18, 2010 at 7:29pm*

**MATH HELP ME 1st**

lily? we learned if the signs are the same then its positive
*Thursday, November 18, 2010 at 7:27pm*

**MATH HELP ME 1st**

(-6) + (-4) = i think the answer is 10 or it could be -10
*Thursday, November 18, 2010 at 7:22pm*

**8th grade**

Please identify the School Subject correctly (MATH, for example, Algebra, etc.) for the correct teachers to read and answer your post. 8th grade will not do it. Sra
*Thursday, November 18, 2010 at 10:51am*

**4th grade algebra**

-21... oh the days of fourth grade... have fun!
*Wednesday, November 17, 2010 at 8:26pm*

**math**

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading ...
*Tuesday, November 16, 2010 at 11:18pm*

Pages: <<Prev | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | **12** | 13 | 14 | 15 | 16 | 17 | 18 | Next>>

Post a New Question | Current Questions