Friday

July 29, 2016
**College Chemistry**

previous answer to problem before this one(relevant in 2nd half of this question): 294.472689amu what would be the mass of 1.36 moles of these atoms? Enter your answer here: ____ g
*Monday, February 13, 2012 by Kayla*

**physics**

rank higest to lowest air drag? 1)a 5lb lead block teraveling at 95% terminal speed. 2a 5lb styrofoam block at terminal speed? 3)a10lb styrofoam block traveling faster than terminal speed? 4)a 10lb styrofoam block at terminal speed? put in orderfrom least air drag,2nd least ...
*Thursday, January 26, 2012 by taylur*

**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 by Christine*

**math**

What is P(-4) given that P(x) = 2x to the fourth power - 3x to the third power + 5x to the 2nd power - 1?
*Monday, January 16, 2012 by Ryan*

**math**

What is P(-4) given that P(x) = 2x to the fourth power - 3x to the third power + 5x to the 2nd power - 1?
*Monday, January 16, 2012 by Ryan*

**math**

What is P(-4) given that P(x) = 2x to the fourth power - 3x to the third power + 5x to the 2nd power - 1?
*Monday, January 16, 2012 by Ryan*

**math**

What is P(-4) given that P(x) = 2x to the fourth power - 3x to the third power + 5x to the 2nd power - 1
*Monday, January 16, 2012 by Ryan*

**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 by Laruen *

**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 by madison*

**Gov**

Who is sometimes viewed as 2nd powerful federal official after the president?
*Tuesday, December 13, 2011 by Julian *

**Math**

Trying to understand an inverse trig function. Evaluate Cos^-1 (sqr3/2) So I know it's 30 degrees, but wouldn't it also be 150 degrees because the Arc-cos is defined in the 2nd quadrant?
*Sunday, December 11, 2011 by Bobby*

**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 by Laruen *

**Medical billing **

2nd question, pt present for PO check of head wound Pariental area healed well. RTO prn ( pf hx/px/sf/mdm) what is the code...
*Sunday, December 4, 2011 by Gemma*

**maths**

Solve the following 2nd order differential equation explicitly by expanding up to order x5, y''(x) = (1 + x^2)*y(x) pls show working y =f(x)
*Wednesday, November 30, 2011 by ryan *

**maths**

Solve the following 2nd order differential equation explicitly by expanding up to order x5, y''(x) = (1 + x^2)*y(x) pls show working y =f(x)
*Wednesday, November 30, 2011 by ryan j*

**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 by kay*

**mercy land**

the 2nd, 3rd, and 4th term of an arithemetic progression are x-2, 5 and x+2 respectively, calculate the value of x and hence find the 20th term..
*Tuesday, November 8, 2011 by victor*

**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 by Anonymous*

**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 by John*

**SCIENCE**

What is the name of the 2nd biggest planet in our solar system?
*Thursday, October 27, 2011 by Jacob*

**geometry**

ONE SIDE IS 57 AND 2ND SIDE 15.FIND PARALLEL DISTANCE
*Tuesday, October 18, 2011 by Anonymous*

**math**

the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade
*Wednesday, October 12, 2011 by faith*

**math**

how to solve (4.8 x 10 to the 2nd power) divided by 2.4 x 10 to the 10 th power)
*Wednesday, October 12, 2011 by Anonymous*

**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 by Peter*

**Algebra II**

prove the following using trigonometric identities: cos 0 (sin 0 + cos 2nd power / sin 0) = cot 2. Keep getting stuck. thanks
*Sunday, October 2, 2011 by Debbie*

**calculus**

Piecewise f(x) = { (x^2, x<=2) (mx + b, x>2) I am not sure what the graph would look like for the 2nd function. Any tips on drawing functions like this would be of great help.
*Sunday, October 2, 2011 by Joe*

**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 by Mary*

**sociology HS 2nd year**

What are some of the rules that the caste system imposes?Give me the ans in point ways.
*Tuesday, September 27, 2011 by Pankaj*

**7 th grade math**

if all my grades are above an 80 how will a 38 affectn my grade.
*Thursday, September 22, 2011 by allie bartton*

**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 by Jimmy*

**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 by Gen *

**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 by alex*

**algebra**

Solve the quadratic equation 2x to the 2nd power -3x-2=0using the quadratic formula. Read the information in the assignment list to learn more about how to type math symbols in MS Word, such as the square root.
*Saturday, August 27, 2011 by shirley*

**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 by a student is selected at is the probability the th*

**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 by jackie*

**English**

What is the role of homework in learning 2nd language?
*Thursday, August 11, 2011 by Tahir*

**math**

on his first exam, he studied for 10 hours and went to tell the mall for 4hours, and got a score of 85. how long should he study to get a grade of 96 and go to the mall for 17 hours? grade varies directly with studying and inversely with going to the mall. is the answer 48hrs?
*Tuesday, August 2, 2011 by rock*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*Tuesday, July 19, 2011 by Jen*

**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 by Shay*

**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 by Wuhta*

**MATHA**

HOW TO WRITE 2ND JULY 2011 IN 5 LETTERS WITHOUT USING NUMBERS
*Sunday, July 3, 2011 by BAL*

**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 by Henry1*

**social studies**

how do we write 2nd june 2011 in five letters without using a number?
*Thursday, June 2, 2011 by puru*

**maths**

How do U write 2nd june 2011 in 5 letters without using numbers...
*Thursday, June 2, 2011 by Vijay*

**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 by shabria cross*

**math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...
*Sunday, May 29, 2011 by kozy*

**science**

What is a simple definition for the 2nd law of Thermodynamics?
*Wednesday, May 25, 2011 by christina*

**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 by Nicki*

**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 by Ashley*

**Physical Science 2nd Semester**

A student lifts a backpack with a force of 50 Newtons. She lifts the backpack 2 meters off the floor. Calculate the work that she has done.
*Tuesday, May 24, 2011 by chris*

**maths**

my daughter studying in 2nd standard this is the project work i dont understand, please show me the answer. make a chart to represent nos 1-15 using small objets
*Wednesday, May 18, 2011 by steffy*

**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 by Karen*

**Chemistry**

What mass of NaCl can be dissolved in 7.50 X 10 (to the 2nd)grams of water at 25 degrees C?
*Tuesday, May 3, 2011 by Nick*

**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 by Pate*

**maths**

how to write 2nd may 2011 in 5 letters without using numbers?
*Monday, May 2, 2011 by pranav shah*

**general knowledge**

how to write 2nd may 2011 in 5 letters without using numbers?
*Monday, May 2, 2011 by pranav shah*

**PHYSICAL SCIENCE**

compute the freezing point of 21.6 g CuSO4 in 1.00 x10 to the 2nd power gH2O
*Saturday, April 30, 2011 by Anonymous*

**math**

whats 16-4+1 to the 2nd power i wish i was smart
*Wednesday, April 27, 2011 by blahhhhh*

**World history**

What was the foreign policy of William the 2nd?
*Wednesday, April 6, 2011 by Demond*

**World history**

what was the foreign policy of william the 2nd
*Wednesday, April 6, 2011 by bilal*

**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 by Meg*

**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 by Meg*

**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 by Michelle*

**pre algebra**

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?
*Thursday, March 10, 2011 by Amber shall*

**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 by Randon Sharp*

**6th grade science**

What are Newton's three laws on motion in sixth grade lingo?
*Tuesday, February 22, 2011 by Marsha*

**Physics**

I'm trying to help my 7th grader with homework and I don't know this stuff. How do you figure word problems based on newton's 2nd law. one problem is: What is the acceleration of a ball if a force of 20N is applied to the 8kg ball?
*Monday, February 21, 2011 by Denise*

**Chemistry-help needed**

Can we use an ACS/AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Monday, February 21, 2011 by candy*

**physics**

thanks for solving my question pasted on dated 18.02.2011 at 10.20.pm.2nd question. a wt lifter lifts a wt of one kg against force of gravity through a distance of .8 mtr. how much cals he will burnt from the food he had taken.
*Monday, February 21, 2011 by ajmer singh sidhu ludhiana*

**Calculus 2nd Post please help**

Find an equation of the tangent line to the graph of the function f defined by the following equation at the indicated point. (x - y - 1)3 = x; (1, -1)
*Friday, February 18, 2011 by Anonymous*

**Chemistry-pls help**

Can we use an AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Thursday, February 17, 2011 by candy*

**Chemistry-help needed**

Can we use an AR grade chemical for UV spectrometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?
*Thursday, February 17, 2011 by candy*

**pre- algebra**

solve and simplify 6 to the 4th power * 6 to the 2nd power
*Thursday, February 10, 2011 by john*

**5tth grade math**

every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines.How many students are in the class.
*Thursday, February 10, 2011 by tryston*

**math**

Could someone please how this problem should be solved? Simplify and write the answer in exponential notation using positive exponents. 2 to the 4th x 2 -2nd power
*Sunday, February 6, 2011 by Dennis*

**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 by Rusty*

**algebra**

A roof rises 1.4 feet vertically and 11.8 feet horizontally. What is the grade of the roof? The grade of the roof is _____% how do I begin to find the answer to this
*Monday, January 31, 2011 by Joyce*

**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 by Nicky*

**math**

A rectangle is 4 times as long as it is wide. A 2nd rectangle is 5centimeters longer and 2 centimeters wider than the first. what are the dimensions of the original rectangle?
*Thursday, January 13, 2011 by maya*

**Money Sense**

which do individuals usually hve more control over? How much they make or how much they spend? i think its 2nd one?
*Tuesday, January 11, 2011 by Anonymous*

**Math **

i have to write this out in word form because it doesn't look rite when i use numbers... What is the value of X when Y=7? Problem: negative threeX to the 2nd power plus fourY minus one equals zero 2 -3x + 4y - 1 = 0
*Monday, December 13, 2010 by Kerri*

**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 by Chloe*

**college math intermediate alg**

4y to the 5th power 81q to the 7th power ________________ X ___________________ 9q to the 2nd power 16y .
*Monday, December 13, 2010 by kathy*

**college**

4y to the 5th power 81q to the 7th power ________________ X ___________________ 9q to the 2nd power 16y .
*Monday, December 13, 2010 by Anonymous*

**Pre Calc**

f(x,y)=ln(5x^2-7y^3) Find ALL 2nd derivatives. fxx,fxy,fyx,fyy
*Friday, December 10, 2010 by Sara*

**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 by deeandra*

**math **

franklin school has 3 boys for every 4 4 girls in fifth grade . there were 140 students in the fifth grade. A.how many are boys B.how many are gorls
*Tuesday, December 7, 2010 by cindy*

**math**

franklin school has 3 boys for every four girls in the fifth grade. there are 140 students in the fifth grade. a.how many are boys? b.how many are girls?
*Monday, December 6, 2010 by cindy*

**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 by Anonymous*

**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*

**Computer Programing & Logic Design**

Submit pseudocode and a flowchart for the following programming exercise: Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Design the following functions ...
*Saturday, November 20, 2010 by Anonymous*

**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*