Thursday

January 29, 2015

January 29, 2015

Post a New Question | Current Questions

**5th grade math (word problems)**

sorry,but I don't understand word problems - like what formula/expression to use. Here's the 1st problem: Rob practiced 3/5 of his music in 25minutes. About how long does it take to practice all of his music? I know that Rob has 2/5 left of music to practice. So, do I ...
*Tuesday, December 11, 2012 at 4:22pm*

**Math**

The chart shows the results of 40 students in 1st period classrooms who met the standard on the 6th grade math assessment Peacock 15 Salas 12 Tiegs 13 If these numbers were the same for the remaining periods and if 200 students tested how many students from Ms. Salas's ...
*Monday, December 10, 2012 at 7:42pm*

**Math**

A curve has equation y= 2 + x - x^2. Find coordinates of 3 unknown points on the line. 1st point is at negative x, y value. 2nd point is at x=0 and y is positive. 3rd value is at y=o and x is positive.
*Sunday, December 9, 2012 at 3:16pm*

**Computer Science (Programming Logic And Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:18pm*

**Computer Science (Programming Logic And Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:18pm*

**Programming (CSI 150 Programming Logic and Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:14pm*

**Programming (CSI Programming Logic and Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:10pm*

**Science**

Give the value of the 1st ionization energy of beryllium (Be). Express your answer in Joules (J/atom).
*Sunday, November 18, 2012 at 6:52am*

**science**

Give the value of the 1st ionization energy of beryllium (Be). Express your answer in Joules (J/atom).
*Saturday, November 17, 2012 at 7:20am*

**math**

Hannah's grade on her last math test was 4 points more than Mark's grade. Write an expression for Hannah's grade, using m as a variable. Evaluate the expression if m=92.
*Sunday, November 11, 2012 at 9:48pm*

**Math Statistics**

Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?
*Tuesday, November 6, 2012 at 4:15am*

**Math Statistics**

Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?
*Tuesday, November 6, 2012 at 4:14am*

**physics**

In a paragraph, use the following words: Inertia, Acceleration, Kinetic Energy, and Newton's 1st Law to describe the physics at work during a car crash
*Sunday, November 4, 2012 at 5:45pm*

**physics**

In a paragraph, use the following words: Inertia, Acceleration, Kinetic Energy, and Newton's 1st Law to describe the physics at work during a car crash
*Sunday, November 4, 2012 at 5:44pm*

**Maths**

Find three no. Such that,the 2nd is twice the 1st,the 3rd is three times the first and their sum is 180. Ans is 30,60,90
*Friday, November 2, 2012 at 10:02pm*

**math**

the manager of a starbucks store plans to mix A grade coffee that cost 9.50 per pound with grade B coffee that cost 7.00 per pound to create a 20 pound blend that will sell for 8.50 a pound. how many pounds of each grade coffee are required?
*Tuesday, October 30, 2012 at 8:32am*

**MATH**

for 30 days on the 1st daY I GET A PENNY THAN ON IT DUOBLES EVERY DAY UNTIL DAY 30 HOW MUCH PENNIES DO I HAVE ON DAY30
*Monday, October 29, 2012 at 12:36am*

**5th grade math word problems**

Frank saved 50% by purchasing his airline ticket early. His wife paid full price. If their total was $294 how much was Franks's ticket only? Can someone please explain this to me in 5th grade terms.
*Wednesday, October 24, 2012 at 2:40pm*

**business statics**

a random sample of the grade of 78 students is taken. what is the probability that the average grade will be between 80.3% and 82.3%?
*Sunday, October 21, 2012 at 8:21pm*

**maths**

the 1st term of an ap is twice the common difference find in terms of the 5th term of the ap
*Saturday, October 20, 2012 at 11:51am*

**Math**

Jessie’s average grade in Algebra for the first two terms is 73.5. What grade must he get in the third term to have an average of 75?
*Wednesday, October 17, 2012 at 8:11pm*

**world geography**

The statement, "People celebrate their birthdays on January 1st" is an example of what type of region? o climate o cultural o physical o political
*Wednesday, October 17, 2012 at 1:57pm*

**math**

4(3) squared do u times 4 by 3 and then square it or 1st square 3 then multiply the answer by 4
*Saturday, October 13, 2012 at 6:35pm*

**science**

Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet?
*Tuesday, October 9, 2012 at 4:53pm*

**3rd Grade Math**

There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? How can I explain this to my 8yr old in 3rd grade? I've got myself so confused in the process of trying to figure ...
*Tuesday, October 2, 2012 at 5:57pm*

**math,social studies and heaalth**

I am in middle school and I want to know what my grade point average is. Do you know any websites where I can calculate my grade point average. Thanks.
*Wednesday, September 19, 2012 at 3:53pm*

**physics**

A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, what is the distance traveled by the car before it comes to rest?
*Sunday, September 16, 2012 at 5:06pm*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...
*Sunday, September 16, 2012 at 12:37am*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...
*Saturday, September 15, 2012 at 10:58pm*

**7th grade science**

I did my calculations wrong and now Im going to get a bad, bad, bad grade on my lab report I need to know what how to find the highth and width and radius of several things are help me plz!!!!
*Saturday, September 15, 2012 at 5:33pm*

**math**

the "roundness of an integer greater than 1 is the sum of the exponenys of the prime number. for example, 20= 2to the squared multiplied by 5 to the 1st power,so 20 has a roundness of 3. what is the roundness of 1,000,000?
*Wednesday, September 12, 2012 at 6:16pm*

**Soc studies**

What are the differences between the 1st and 2nd continental congress and their outcome?
*Tuesday, September 11, 2012 at 9:14pm*

**7 th grade math**

hey i need to new what it the answer for this question 35 fewer than 168 and this is 7 th grade math so plz tell me thanx
*Monday, September 10, 2012 at 10:31pm*

**algebra**

Tony went to the racetrack with $80. He won $15 on the 1st race, lost $12 on the 2nd, lost $6 on the 3rd and won $8 on the 4th. How much money did he have after the 4th race.
*Tuesday, August 28, 2012 at 6:58am*

**algebra**

I'm having difficulty solving 0.7y+9=y+15????? I know the answer is 20 but can't remember procedure. Do I change the decimal to a fraction 1st???
*Thursday, August 23, 2012 at 4:04am*

**geography**

which country is the biggest (mongolia,china,southkorea,north korea,japan? p.s. i am 8 yaers old and going to 4th grade so use 4th grade words so thank you but no thanks to the geeks. sincerely, cesia xoxo
*Tuesday, August 21, 2012 at 11:06am*

**math**

Your company can make x-hundred grade A tires and y-hundred grade B tires a day, where 0≤x≤4 and y= (40-10x)/(5-x). The profit on each grade A tire is twice the profit on each grade B tire. Assuming all tires sell, what are the most profitable numbers of tire to make?
*Tuesday, August 7, 2012 at 5:16am*

**programming**

write a flowchart program which shows persentes of 4 student 1st 2nd 3rd 4th meximum nd minimum?
*Monday, July 30, 2012 at 10:42pm*

**3rd grade math**

I CANNOT BELIEVE THIS IS A THIRD GRADE WORKSHEET! THIS IS SOO INAPPROPRIATE. THEY HAVE NEVER DONE LONG DIVISION OR REMAINDERS & THERE IS ONE WEEK OF SCHOOL LEFT & THIS IS WHAT THE TEACHER HANDS OUT.....86 DIVIDED BY 9, 17 DIVIDED BY 3, 73 DIVIDED BY 8 ! HOW MANY FLUID OUNCES ...
*Tuesday, May 29, 2012 at 11:42pm*

**math**

mike has an average of 89 on the five tests he has taken so far this semester. what grade must mike earn on the next test to raise his average grade exactly to 90?
*Tuesday, May 29, 2012 at 5:38pm*

**financial understanding**

if apr is 7.3% daily and haad $400 1st 10 days, 1500 next 10 and 600 next 10 how much intrest was earned at end of month
*Thursday, May 17, 2012 at 1:28pm*

**Math**

Sarah has an 86% average on her 1st 5 tests. If she gets a 92 on her next test, what will her average be then?
*Sunday, May 6, 2012 at 9:02pm*

**math**

the sum of 3 numbers is 49. the second number is twice the 1st, and the third is 1 less than the second. find the numbers
*Wednesday, May 2, 2012 at 11:31pm*

**calculus**

1. A hill with a 35 degree grade (incline with horizontal) is cut down for a roadbed to a 10 degree grade. If the distance from the base to the top of the original hill is 800 ft., How many vertical ft will be removed from the hill rounded to the nearest ft
*Monday, April 30, 2012 at 7:34pm*

**science fair**

I need a science fir project!! I looked on a thousand of websites online but they give no interesting idea. I am in 6th grade and i need something at a 6 grade level that is easy a science fair project that is do in 1 week. i am in 6 grade and i don't need experiments ...
*Thursday, April 26, 2012 at 5:18pm*

**Physics**

Should the wavelengths computed from 2nd order lines be more accurate or more precise than those compute from 1st order lines?
*Tuesday, April 17, 2012 at 6:46pm*

**6th grade credits**

how many credits does a 6th grader in oklahoma need to pass into 7th grade?
*Thursday, April 12, 2012 at 12:00pm*

**pre-calculus**

Rewrite the expression so that it involves the sum or difference of only constants and sines and cosine to the 1st power (cos 5x)^2
*Tuesday, April 3, 2012 at 4:14pm*

**pre-calculus**

Rewrite the expression so that it involves the sum or difference of only constants and sines and cosine to the 1st power (sinx)^4
*Tuesday, April 3, 2012 at 1:34pm*

**physics**

According to newtons 1st law , construction workers are warned not to leave their hard hats on the rear window ledge of their cars, explain why?
*Sunday, March 25, 2012 at 4:17pm*

**english**

the question might sound dumb, but can anyone check to see if the sentence is correct: It's(form) due till May 1st.
*Monday, March 19, 2012 at 3:47pm*

**Math**

x^3-6x^2+17x Find the point of inflection of the graph of the function? x,y ( , ) I tried to solve for it by getting the 1st derivative and setting it equal to 0 but i get sqrt,so am confused!
*Monday, March 12, 2012 at 12:33am*

**7th grade math**

My friend is in the 7th grade and broke his wrist so he cannot type. Wat is the square root of pi.He said he knows pi=3.14 but he doesn't know how to work it out. He said thanks.
*Monday, March 5, 2012 at 3:45pm*

**Speech**

Ballad Verse poem with 3 stanzas, 8 lines per stanza and the last line is the same or very similar to the 1st line.
*Wednesday, February 29, 2012 at 10:53pm*

**math**

Suppose that $200 was deposited on 1st Jan 2000 into an account that earned 5% interest compounded semiannually. Suppose further that $200 was deposited on 1st Jan 2001 into a different account that earned 6% interest compounded semiannually. In what month of what year will ...
*Sunday, February 19, 2012 at 8:26am*

**chemistry**

The reaction A -> B + C is 1st order w/ respet to A. It's rate const k is equal to 0.343 M/s at 273K. The initial concentration of A was 0.399 M. Calculate the concentration of B after 0.185 secs have passed.
*Saturday, February 18, 2012 at 11:45pm*

**chemistry**

The units of a rate constant for zero, first and second order reactions are given in the textbook. If the time units are minutes, what would you expect the units to be for a third order reaction? a. 1/min3 b. mol2/L2-min c. L/mol-min2 d. L2/mol2-min e. L2/mol2-min2 help help! ...
*Saturday, February 18, 2012 at 9:19pm*

**maths**

Given the G.P x,y,15. Find the value of x and y find the 9th term find the sum of the 1st term
*Wednesday, January 25, 2012 at 9:51am*

**Math **

What equation do I use to find out what I need to get on my exam to pass my class. I have a 65.9% and the exam is 20% of my grade....if you need any additional information let me know..... also a passing grade is 59.5
*Tuesday, January 17, 2012 at 11:54am*

**English**

Is it correct to say,"Meetings will be held on the 1st and 3rd Sunday of the month"?
*Wednesday, January 4, 2012 at 5:40am*

**Math**

amount of $680.00 to be divided into 3 people in order of 1st, second and 3rd
*Wednesday, December 28, 2011 at 1:03am*

**9th Grade Classes **

I was reading my school district program of studies and I found this section in for high school coures. - English 9H - Integrated Algebra A - Earth Science - Global History and Geography I or H - French Beg. 1 - Orchestra (a days)/ Health (b days) - Studio Art I - African ...
*Sunday, December 18, 2011 at 5:36pm*

**math**

If I have a 66% in algebra Android we took a exam that's worth 20% of our grade Android I got a 54% on the multiple choice what would my average grade be?
*Wednesday, December 14, 2011 at 8:40pm*

**algebra**

Hi guys: Can any one please tell me what does this means? Thanks ---------------------------------------------------------------------- The second matrix is simply the symmetric version of the first. This 1 2 3 4 5 6 7 1 0 2 3 x 2 4 x 2 2 3 11 2 3 5 3 3 9 2 3 5 4 3 9 3 ...
*Tuesday, December 13, 2011 at 2:28pm*

**8th Grade **

Me and my friend are making our own 8th grade binder, you know like writing down planns for our 8th grade year. Here are the sections: - To-Do-List - Doodles (if you are bored) - Projects that are do (school plans) - Graduation Plans (speech, to-do-list, etc.) - Dates for ...
*Monday, December 5, 2011 at 8:15pm*

**chemistry**

radioactive disintegration is 1st order reaction. calculate the age of ancient wood piece if it shows a c14 activity of 20% compared to present day wood. if the half change time for c14 is 5600 years
*Monday, December 5, 2011 at 10:06am*

**statistics am i right so far**

SO FAR I HAVE 9.63 FOR THE 1ST 2 COLUMNS AND 7.56 FOR LAST COLUMN FOR THE VARIANCES. I GOT Z= .0875 SEDIFF =1.2364 SEm=.6019 for 1st set of #s and SEm=1.08 for 2nd set of #s is that correct and now what? A total of 23 High School students were admitted to State University. Of ...
*Wednesday, November 30, 2011 at 10:49am*

**Math**

John Receive a 10,000 loan, with an interest rate of 6 %, for 6 years. What is the principal amount paid on the 1st payment?
*Monday, November 28, 2011 at 8:31pm*

**gdme**

A fuel consists of 85% C, 12.5% Hydrogen, 2.5% residual matter by mass, Working from 1st principles, find lower calorific values per kg of fuel.
*Friday, November 25, 2011 at 1:36pm*

**Economics**

Im trying to figure out my grade what would i need to get a c average in the class;39%,of my grade is is based on 3 assignments(i got so far 62%,80%,haven't done the last assignment yet), 3 exams each worth 20%( i got a 2%,40%, haven't taken the last one) and 1% for ...
*Wednesday, November 16, 2011 at 12:24pm*

**statistics**

A researcher is investigating whether, on average, 3rd grade males have significantly different creativity scores than 3rd grade females. She samples students from a large school district where she works. What is the independent variable?
*Monday, October 31, 2011 at 4:44pm*

**Logic**

Gene will teach 7th grade of Gene will teach 8th grade. If Gene teaches 7th grade, he will be assigned to the Sunset Road School. Gene will carpool with Chris if he is assigned to the Sunset Road School. If Gene teaches *th grade he will have his daughter Briana in his class. ...
*Sunday, October 30, 2011 at 10:35pm*

**calculus**

Find the volume of the solid formed by rotating the region in the 1st quadrant enclosed by the curves y= x^(1/4) and y= x/64 about the y-axis.
*Tuesday, October 18, 2011 at 10:35pm*

**Algebra 2 (Linear Programming)**

The Carbon coal company has 2 mines, a surface mine ad a deep mine. it costs $200 per day to operate the surface mine and $250 to operate the deep mine. Each mine produces a medium grade and a medium-hard grade coal, but in different proportions. This surface mine produces 12 ...
*Tuesday, October 4, 2011 at 1:52am*

**Algebra**

A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof? I do not understand how to even find what the grade would be..can anyone help?
*Friday, September 30, 2011 at 3:56pm*

**7 th grade math**

if all my grades are above an 80 how will a 38 affectn my grade.
*Thursday, September 22, 2011 at 8:52pm*

**Calculus**

A truck depreciates in value by 15% per year. If the truck is valued at $ 40 000 on August 1, 2010, what will its value be to the nearest dollar on August 1st 2016?
*Wednesday, September 21, 2011 at 5:42pm*

**programming**

2-5 Grade Determination is says " Write a program that will input three test scores. the program should determine and display their average. the program should then display the appropriate letter grade based on there average. the letter grade should be determined using a ...
*Wednesday, September 21, 2011 at 12:44pm*

**Math **

Hey umm what do you learn in the 5th grade math??? This is for my brother cause he is going to the 5th grade.
*Sunday, September 4, 2011 at 7:23pm*

**Algebra **

In a class of 110 students, 22 received the grade of A. what fraction of the students did not receive the grade A?
*Wednesday, August 31, 2011 at 12:16am*

**math**

a student is selected at is the probability the the randomly selected stundent is neither a 10th grade nor an 11th grade express your answer in fraction in simplest form
*Thursday, August 25, 2011 at 5:47pm*

**Algebra**

a 260 m wire is cut into 3 pieces. The second is 4 times longer than the 1st. The third is 2 times longer than the 2nd how long is each piece=
*Thursday, August 11, 2011 at 6:31pm*

**CHemistry - help needed**

I performed a "related substances" test using HPLC on 1 sample. The 1st value for an impurity is 0% (not detected) and the 2nd value is 0.3%. THe passing limit is 4% for this test. Are the results acceptable, i.e. to take the average of the 2 values to give 0.15%?
*Thursday, August 11, 2011 at 6:11pm*

**Math-Ms. Sue**

The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods. Below is the sample: 142 171 125 91 140 125 97 125 162 142 125 117 89 125 140 128 From this data set, compute the sample mean, median, mode and midrange. Compute the 1st ...
*Sunday, July 31, 2011 at 10:56pm*

**Math**

18 people enter a race, if there are no ties, how many ways can 1st, 2nd and 3rd place result?
*Saturday, July 9, 2011 at 5:00pm*

**10th Grade Chemistry**

I struggle in the sciences and was wondering what I could do over the summer self studying wise to prepare for 10th grade chem?
*Thursday, July 7, 2011 at 7:00pm*

**health/help me please**

I am confused because it depend on the quantity and in my question they did not list it . It can be too the METHAMPHETAMINE as 1st offense please help me pick the write answer I read it more than one time
*Monday, July 4, 2011 at 11:52am*

**History**

Hello Any help would be greatful...TIA 1..What is the Agrarian Myth According from Hofstater? 2. When did the Myth 1st appear and whom was responsible for it? 3.Was there ever a time in America History when conditions corresponded to the myth? Thanks
*Sunday, July 3, 2011 at 1:23am*

**Engineering Math**

solve the 1st differential equation: y1+4y=cos(x) with intial condition y(pie/3)=1
*Friday, June 24, 2011 at 2:26pm*

**English**

Could you please check this sentence for me? I am interested in student writing exchanges but my students are in first grade. How old are first-grade students? (This is a real question)
*Thursday, June 23, 2011 at 4:49am*

**science(botany)**

In a cross between AaBBCcDdEeFd and aabbccddeeFF , what is the probability of the offspring resembling the 1st parent phenotypically?
*Tuesday, June 14, 2011 at 3:29pm*

**math**

if i had a 66 in bim and my teacher puts a 100 in the grade book what will be mi grade
*Monday, May 30, 2011 at 9:03pm*

**Good Reads? 6th and 7th grade**

Please. I need a list of Non-fiction books recommended for 6th and 7th grade readers. Thank you and have a nice day. God bless! <3
*Tuesday, May 24, 2011 at 7:28pm*

**8th grade science**

What is the reprodution in bacteria, prokaryotic cells, called? A. Mitosis, B. Binary fission, C. Interphase, or D. Fusion. Thank you for helping! I need this because it's for my 9 weeks exam study guide which counts for a whole lot of my grade. Thanks!
*Tuesday, May 24, 2011 at 4:27pm*

**2nd Grade Math**

What is the best way to explain 2nd grade kid, how to find one fourth of 7
*Monday, May 23, 2011 at 7:10pm*

**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*

**statistics**

After years of data collection by college students, it has been determined that the distribution of course grades in Ms. Green’s Statistic II class follows a normal distribution with a mean of 62 and a standard deviation of 14. (a) A student will pass Ms. Green’s ...
*Monday, May 9, 2011 at 11:19am*

**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*

**lotto 5/90 maths**

Winning Machine 55 44 16 38 24 - 37 62 65 90 29 12 70 16 65 74 - 25 83 57 46 80 37 69 72 14 8 - 86 40 22 6 24 what game will this 1st to 3rd week produce for 4th and 5th week winning
*Tuesday, April 12, 2011 at 9:10am*

**MATH**

Consider following situation.. You are going to buy this laptop at $1294.00 plus HST. You can also pay $50 a month for 30 months with down payment of $100. Compare following 3 scenarios using spreadsheets to calcuate how much you will pay. 1st Scenario: Pay Cash 2nd Scenario: ...
*Wednesday, April 6, 2011 at 7:27pm*

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