Tuesday

October 6, 2015
**physics**

A basketball is thrown with a velocity of 10.5 ft/s downward from a height of 6.8 ft. The coefficient of restitution between the ball and the floor is 0.65. How high does the basketball go after its 2nd bounce?
*Thursday, November 25, 2010 by sandhu*

**physics**

A basketball is thrown with a velocity of 10.5 ft/s downward from a height of 6.8 ft. The coefficient of restitution between the ball and the floor is 0.65. How high does the basketball go after its 2nd bounce?
*Thursday, November 25, 2010 by sandhu*

**To drwls**

I posted some Physics questions yesterday, but no one got the chance to look at them, so can u please go to 2nd page and look through them.
*Tuesday, November 23, 2010 by Anabelle*

**Statistics/2nd post**

How is the p-value of a hypothesis test related to type I and type II error?
*Sunday, November 21, 2010 by Taylor*

**5th grade**

what are the answers to the 5th grade unit 1 test harcourt
*Friday, November 19, 2010 by Destiny*

**Math**

Hello, I have two more rational exponent question that I wanted to verify please: 4x^3y^-2 _________ 2x^-1y^4 = 2x^4y^6 is this correct? 2nd question: [w^1 / w^-3] my answer: = [w^(1)(-4)/ w ^ (-3)(-4)] = w^-4 / w^12 = w^12 / w^4 = w^3 / w Is this right?
*Thursday, November 18, 2010 by Dania*

**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 by Anonymous*

**5th grade**

My daughter is taking OLSAT test for gift & talented middle school. All practice questions I find are for Kindergarten or 1st grade. Any ideas on how she should prepare? Thank you.
*Sunday, November 14, 2010 by Elaine*

**Chemistry**

In calcium, the electron configuration is 2-8-8-2. Why does the 3rd level have more energy than the 2nd if they're both 8?
*Saturday, November 13, 2010 by danny123*

**physics**

A dinner plate drops and breaks. This best illustrates the ______ law of THERMODYNAMICS A. 1st b. 2nd c. 3rd d. 4th
*Friday, November 12, 2010 by Christina*

**Science**

how do you find the degrees for a pie graph (ex) 1st 19 2nd 15 3rd 20 4th 15 5th 22 6th 15 ??? plz help!
*Monday, November 1, 2010 by popcorn010*

**Math**

find the the 2nd derivative and set equal to zero in order to find inflection points of the function f(x)=1/(5x^2+4)
*Friday, October 29, 2010 by Shawn*

**math**

How do you find the rule of the sequence if the 2nd term is 40057.07 and the 5th term is 19192.53
*Monday, October 25, 2010 by juan *

**english**

I'm a 8th grade student and i need to write a Proffesional Business letter to My 7th grade english Teacher can you help?
*Friday, October 22, 2010 by Abigail*

**Math**

Use 2nd Fundamental Theorem of Calculus to find derivative of f(x) = integral of 2x^2 to x-5 of square root of Sin(t)dt. Please help.
*Sunday, October 17, 2010 by Nick*

**english grade 1**

how to teach interrogative and relative pronoun to grade 1 students
*Sunday, October 10, 2010 by eljhay*

**3rd grade**

Make a tally chart for the number of students in the third, fourth, and fifth grade classes: 26,25,27,27,26,28,27
*Thursday, October 7, 2010 by Need Help*

**MATH ALGEBRA (2ND TIME POSTING! ) Please Hlep!! :)**

The Cost of installing new kitchen cabinets is $150 for delivery for all the cabinets and an additional $45 to install each cabinet. a) Develop a model to give the total cost for a set of n cabinets. b) What is the total cost for a set of 18 cabinets? c) Find the number of ...
*Tuesday, October 5, 2010 by vid. *

**math need asap**

4x+5y=27 x=26-4y 4(26-4y) + 5y = 27 104 - 16y+ 5y = 27 -21y = - 77 21y = 77 y = 77/31 Now, I’m suppose to return to the 2nd equation x=26-4y and substitute 77/31 for x, I don’t understand if the is correct way or how to get the answer for the ordered pair.
*Thursday, September 30, 2010 by SAP*

**physics**

a car traveling at 7.0 m/s accelerates uniformly at 2.5 m/s to the 2nd power to reach a speed of 12.0 m/s. how long does it take for this acceleration to occur.?
*Wednesday, September 22, 2010 by Danica*

**physics**

as the shuttle bus comes to a sudden stop to avoid hitting a dog, it accelerates uniformly at -4.1 m/s to the 2nd power as it slows from 9.0m/s to 0.0 m/s. find the time interval of acccelaration for the bus
*Wednesday, September 22, 2010 by Danica*

**6th grade**

What is the simple and complex for this sentence. Making a bad grade on such an easy spelling test is such an embarrassment.
*Tuesday, September 21, 2010 by Ashleigh*

**math**

from a base elevation of 8600ft a mountain peak in Colorado rises to a summit elevation of 14660ft over a horizontal distance of 15838ft find the grade of the peak . the grade of the peak is ? %
*Saturday, September 18, 2010 by Anonymous*

**6th grade science**

I recently posted a 6th grade science question at 9:11 p.m. Can someone take a look at it for me. Thank you in advance!
*Friday, September 17, 2010 by Reed*

**Physics**

A relay race is run along a straight line track 300.0 m long running south to north. 1st runner - starts at the South end of the track and passes the baton to a teammate at the north end of the track. 2nd runner - races back to the start line and passes the baton to a 3rd ...
*Monday, September 13, 2010 by Kayla*

**algebra**

how do you make a small 2 if if you were going to write to the 2nd power?
*Saturday, September 11, 2010 by Mizohu*

**8th grade Math**

I'm actually in 7th grade, but I'm doing 8th grade pre-algebra, but anyway, here: I'm supposed to simplify these four problems and I don't really understand how: 28s (15 power) ____ 42s (12 power) 4m+(n[7th power]m) 63m(5 power)n(6 power) ______________________...
*Thursday, September 9, 2010 by Mika*

**english**

Could I get like a character essay outline? Like what I should have in my 1st, 2nd, 3rd, sentence, etc. How to start it off and flow towars the end? Thanks!
*Tuesday, September 7, 2010 by english*

**Advise**

Ok, I am going to grade 12 and my university requires a 90% for advanced functions. In grade 11, I got a 78% with no tutoring. Is there who is willing to help me free of cost for tutoring or even websites that would help me.
*Friday, September 3, 2010 by prethy*

**latin**

how do you do this? 2nd person, future perfect, plural of augeo, augere, auxi, auctus?
*Thursday, August 12, 2010 by harrison*

**Language Arts**

When I'm using 'grade' in a sentence, would it be capitalized? I.e. Jorge is in Grade 9? PS I'm Canadian, so maybe no US grammar rules?
*Monday, July 26, 2010 by Barb*

**Economics**

Four roommates are planning to spend the weekend in their dorm room watching old movies, and they are debating how many to watch. Here is their willingness to pay for each film: film 1st. 2nd. 3rd. 4th. 5th
*Tuesday, July 13, 2010 by Anonymous 2*

**college**

let i = the square root of -1 with i to the 1st power =i, i to the 2nd power= -1, i to the 3rd power =-i , i to the 4th power=1 find ito the power 215
*Monday, July 5, 2010 by kate*

**chemistry, chemical kinetics **

I keep getting these questions wrong, could someone please help. Thanks so much. Question 1 For the following overall reaction, the rate constant is 3.4x10^-2. A(g)+ 2B -> 2C + D What may be the rate reaction? Question 2 The rate law for this reaction is R=k[NO][Cl2] ...
*Friday, July 2, 2010 by student*

**Websites for Third Grade**

Can you give me some websites to study for 3rd grade is these areas? Social Studies,English Language Arts, Math,Science
*Thursday, July 1, 2010 by ☻ Vanessa Sarafina ☻ *

** Natl. parks **

Why are these national parks in Kenya considered tourist attractions? (Ruaha and Mt. Kilimanjaro) I should know why the 2nd park is an attraction. The mountain is well-known in Africa.
*Tuesday, June 8, 2010 by AL 92*

**7th grade**

I was wondering if there were any sample placement tests that I could give to my son who is currently in 7th grade homeschool.
*Wednesday, June 2, 2010 by Brenda*

**science**

descibe and explain 4 fates of a star ( after they die)? this is my 2nd last question to finish my worksheet and it is for marks please help me thanks
*Wednesday, May 26, 2010 by anu*

**chemistry**

calculate the percent composition or w/v% of 3x10 to the 2nd power mL solution containing 15g of glucose
*Tuesday, May 4, 2010 by Quentin*

**Math**

I'm confused.Can someone tell me if I have done this correct.I'm trying to get the average using a weighted scale: TOTAL GRADES: WEIGHT 90% ---------- 5% 100% ---------15% 95% --------- 15% 90% -----------5% 94.5% --------60% I multiplied the total grade by the percent...
*Sunday, May 2, 2010 by Sue*

**Statistics**

I'm confused.Can someone tell me if I have done this correct.I'm trying to get the average using a weighted scale: TOTAL GRADES: WEIGHT 90% 5% 100% 15% 95% 15% 90% 5% 94.5% 60% I multiplied the total grade by the percent, then added the percent. But I get 109.20 as a ...
*Sunday, May 2, 2010 by Sue*

**statistics**

Compare the two sets and describe what you see. 1st set: 57 61 57 57 58 57 61 2nd set: 61 52 69 64 46 54 47
*Sunday, May 2, 2010 by Faith*

**7TH GRADE**

HOW DO I STUDY BETTER? WHEN THERE ARE TO MANY DISTRACTIONS IN MY HOUSE. BECAUSE MY TEST GRADES ARE BAD AND THEY ARE PULLING DOWN MY AVERAGE GRADE
*Thursday, April 29, 2010 by Anonymous*

**7th grade **

HOW DO I STUDY BETTER? BECAUSE MY TEST GRADES ARE BAD, SO THEY ARE PULLING MY AVERAGE GRADE DOWN.
*Thursday, April 29, 2010 by Anonymous*

**Food Chemistry**

Calculate the amounts and pH values for preparing the following acetic acid/acetate buffer solution. 1.) In the first step, If you plan to prepare a 2.00 M sodium acetate in 200.0 mL distilled water, how many grams of sodium acetate should be added in water? 2.) B. In the 2nd ...
*Thursday, April 29, 2010 by Lauren*

**Science Grade 8**

I know that this seems like a REALLY EASY question, but for some reason I cannot think of anything! 2. What technologies have been developed that use light? This is from a grade 8 textbook, so nothing to technical!
*Saturday, April 24, 2010 by Maddison*

**Chemistry**

Rank Na, Mg and K in order of increasing 2nd ionization energy a. Na < K < Mg b. Mg < K < Na c. K < Na < Mg d. K < Mg < Na e. Mg < Na < K
*Friday, April 23, 2010 by Zacky *

**10th grade**

i need an interesting topic for a tenth grade informative essay
*Monday, April 19, 2010 by Dallas*

**math (find my grade)**

1% of my grade 82% 4% of my grade 76% 2% of my grade 100% 100% 100% 100% 100% 100% 100% 100% 82% could you please find my average. thank you!!!!
*Sunday, April 18, 2010 by rosie*

**math**

the graphs of the equation y = x to the 2nd and x = 2 intersect in A. 1point B. 2point C. 3point D.0point??
*Thursday, April 15, 2010 by crystal*

**math**

the graphs of the equations y = x to da 2nd and x = 2 intersect in A.1 point B. 2point C. 3point D. 0point?
*Thursday, April 15, 2010 by crystal*

**12th grade**

There are 300 students in 12th grade. What is the total population of the school?
*Monday, March 29, 2010 by Anonymous*

**math**

If you have a grade average at 50% and you score 89% percent on a test what does your grade equal out to?
*Friday, March 26, 2010 by tarra*

**classroom instruction**

• Write a 200- to 300-word response describing how you might teach this concept to students in a lower elementary grade and to students in a middle school grade. i picked problem solving i have this so far. i guess for each grade level (elem and middle school) i would ...
*Friday, March 19, 2010 by scooby*

**6th Grade Grammar**

The sixth grade class *had wrote* several papers about the great sphinx. How should the words in the asterisks be written? A. had written b. has wrote c. correct as is
*Wednesday, March 17, 2010 by David*

**Calculus**

When f(x)= 2/x (4th power) - 7/x (2nd power) + 5 find the derivative
*Friday, March 12, 2010 by Pat*

**Algebra**

How do Isolve this, 10q-25q to the 2nd power
*Thursday, March 11, 2010 by Jayda*

**computer science**

ineed help with c++. i am using code blocks and i have a problem with the compiler. when I run this code ¡é # include <iostream> using namespace std; int main() { cout<<"Hello World!"<<endl return(0); } this message keep pops up. ¡...
*Sunday, March 7, 2010 by lj*

**English - 2nd last question**

I have to answer this. "What effect does this tone have on the reader's response to the story. Support your answer."
*Wednesday, March 3, 2010 by AL 87*

**Science**

I know what a baseline is, but what baseline is used in astronomy? y do we need vary the length of baselines we use? Is the baseline the diameter of the earth's orbit? I really do not get the 2nd part.
*Monday, February 22, 2010 by Sara*

**Science**

I know what a baseline is, but what baseline is used in astronomy? y do we need vary the length of baselines we use? is it the diameter of the earh's orbit? I really do not get the 2nd part.
*Monday, February 22, 2010 by Sara*

**To Ms. Sue**

Ms. Sue which 2nd and 3rd sentences?
*Sunday, February 21, 2010 by Sara*

**classroom instruction 9not sure if i am right)**

• Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i am doing physical education in wisconsin. this is what i have i am not sure if...
*Friday, February 19, 2010 by scooby*

**math**

4/x - 4/y _________ 2 - 2 y X __________ 4 thats y to the 2nd power and x to the second power
*Thursday, February 18, 2010 by jess*

**6th grade**

Doyou have 6 grade text book?
*Monday, February 15, 2010 by carla*

**arithmetic**

How do i find the common ratio, when the 1st, 2nd and 7th terms of a A.P with common difference 2 are the first three terms of a G.P .
*Thursday, February 11, 2010 by Ren*

**6th Grade Science : Newton's First Law of Motion**

Explain the idea of streamlining.\, as it applies to the skydiver. If you have the following textbook: Scott Foresman Science, 6th Grade good for you! Look on pages B102 - B105.
*Friday, January 29, 2010 by David*

**7th grade**

i need help on Chemistry and i am in 7th grade i don't know how to do some problems and i would like to know how to translate statements into equation form?
*Friday, January 22, 2010 by Hope*

**english**

crossword puzzle- to lie in a sheltered, partly hidden place 2nd letter is an e also very strict or harsh starts with s
*Monday, January 18, 2010 by Anonymous*

**7th grade math**

I am in 6th grade and i am haveing trouble with statistics and how to memorize them!!! How can i do this???? Is there a special way???
*Monday, January 18, 2010 by nicole*

**chemistry**

pH Indicators 7 test tubes Added 5mL of water of 0.1 HCl and 5mL of water to 1st test tube. Poured 9mL of water to remaining 6 test tubes. Poured 1mL of solution from 1st test tube to 2nd. Poured 1mL from 2nd to third. Poured 1mL from 3rd to 4th. " " 4th to 5th. &...
*Friday, January 15, 2010 by linda*

**science**

i am in 7th grade accelerated science, so i am learing 8th grade material. I am having some difficulties with covelant and ionic bonds. My lab is due tomorrow and i have a quiz on Wed. If anyone can help me understand this better i would be greatful. Thank-you.
*Monday, January 4, 2010 by Michele*

**Maths**

An Investment Fund manager is required to maximise the return on a portfolio of bonds given the following information: Bond types Projected rate of return Benchmark government 9.1 UK gilts 10.3 Global investment grade (US $) 6.7 Global investment grade (euro) 8.7 Global ...
*Tuesday, December 8, 2009 by Sarah*

**8th grade**

im in advanced math so i do 8th grade math and i dont understand how too gragh the fractions in equations like y=2/3x+1
*Sunday, November 29, 2009 by jazmine*

**Science**

I am in 6th grade and doing very well so i am not stupid or anything but i dont know if my science fair project is for my grade level. It's What Makes Ice Melt The Fastest. What Do You Think? Thnak You
*Monday, November 16, 2009 by Ella*

**Math**

Find the center and ardius of the circle (x-1)2nd power+y2nd power=36
*Sunday, November 15, 2009 by Johnnie*

**math/ college algebra**

what is the root of 4x to the 4th power + 8x to the 3rd power - 13x to the 2nd power -2x +3
*Tuesday, November 10, 2009 by Veronica*

**9th Chemistry**

Why is there a big space in the periodic table between the 2nd & 3rd periods? The activity of the electrons is related somehow.
*Sunday, November 8, 2009 by Marie*

**3rd grade**

3rd grade Explain how to add with carrying give example
*Wednesday, November 4, 2009 by Jesse James*

**math**

Find the first, second, and third quartiles of the data. 15, 6, 1, 13, 5, 11, 3, 8 My answer: 1st quartile: 3 2nd quartile: 7 3rd quartile: 13 Am I right?
*Wednesday, November 4, 2009 by benn*

**programming**

Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0<=X and X<49) Output "you fail" Else if (50<=X and X <70) Output "your grade is" X Output " you did OK" Else if (70<=X and X...
*Friday, October 23, 2009 by steve*

**spelling**

my 2nd grader has a spelling word "cultures" and need to put into a sentence..
*Monday, October 19, 2009 by dee*

**Linear Programming**

OKay My question is: Two factories manufacture 3 different grades per paper. the company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It cost $1000 per day to operate the first ...
*Friday, October 16, 2009 by Deanna*

**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 by Kim*

**Algebra 1A**

From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...
*Thursday, October 8, 2009 by Don*

**algebra**

from a base elevation of 6800 ft, a mountain peak rises to a summit elevation of 14478ft over a horizontal distance of 15845 ft. find the grade of peak. the grade of the peak is ___ %
*Wednesday, October 7, 2009 by Kathy*

**6th grade Reading **

Worksheet for An Ant's Life and The Best School Year Ever Vocabulary im in 6th grade
*Wednesday, October 7, 2009 by Please Help Me I'm 11*

**3rd grade**

what does property mean in 3 rd grade math example 4+8= 12 find the property
*Tuesday, October 6, 2009 by shemar*

**Crossword**

spread false stories of roman Catholic plots:this word has 5 letters, 2nd letter is a, and the last letter is s.
*Sunday, October 4, 2009 by Sara*

**Crossword**

This act made it illegal to hold an individual in prison without trial: It has 12 letters and the 2nd letter is A : Habeas Corpus what made parliament stronger than the monarchs ?
*Sunday, October 4, 2009 by Sara*

**math**

I think I must be asking my question wrong, but what is my number grade if I missed 36 out of 85 questions. For example if I missed 1 out of 10 I know my grade would be a 90.
*Wednesday, September 23, 2009 by Mattie*

**algebra**

need help with 2 questions first It has been a long time since I did algebra and dont rememeber how to work the problems 1/5(x+1) + 2/5(x-1) = 3/10 2nd problem 0.1(2x-1) + 0.02(4x + 4) = 0.05x
*Monday, September 21, 2009 by lisa*

**math**

multiply the equation by a power of 10 to write an equivalent equation with integer coefficients: #1. 4.15x+3.01=10.9x+1.29 #2. 1.596y-3.08=0.9y this is the 2nd time I'm posting this question. but the last reply I got was confusing. can you please show me how to do at ...
*Monday, September 21, 2009 by Anonymous*

**maths (2nd time)**

Solve the equation. Round to the nearest hundredth: 1. 1.59x+4.23=3.56x+2.12 2. -3(1.25-2.48x)=8.15+5.86
*Sunday, September 20, 2009 by grace*

**english**

simple subject of 1st sentence ( cup ) and 2nd sentence ( crinkle )
*Monday, September 14, 2009 by kk*

**algebra**

Simplify the following expression 2(3 x - 2)(2nd Power) - 3x (x + 1) + 4
*Sunday, September 13, 2009 by Pat*

**physics**

you are standing on one side of the river. Figure out the width of the river. All calculations have to be made on the side you are standing on. You cant step into the river or cross it. You may use the 2 laws ( sine and cos ). no guessing allowed. has to be accurate. The ...
*Sunday, September 13, 2009 by just wondering*

**Algebra 1 Please bobpursley again**

Thanks to everyone for trying to help me. This is not really a question but an answer to what grade level this promblem is for my son is in ninth grade. Thank You all again
*Saturday, September 12, 2009 by Mary*

**5th grade**

Will someone tell me a webpage my daughter can get help on solving equations, word problems w/ algebraic chains...or for 5th grade math. Thank you
*Thursday, September 10, 2009 by margaret*

**Math**

3/4(-8/-2+3{2}) In written words it three fourths multiplied neg 8 div neg 2 plus 3 2nd power
*Tuesday, September 8, 2009 by Catina*