Monday

September 26, 2016
**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 by lina*

**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 by lina*

**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 by Melissa*

**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 by random grammar*

**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 by Angelina*

**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 by running.from.myself*

**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 by Evan*

**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 by Seth*

**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 by bernard*

**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 by elvis*

**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 by Allwell*

**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**

amount of $680.00 to be divided into 3 people in order of 1st, second and 3rd

*Wednesday, December 28, 2011 by Melania*

**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*

**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 by Kathleen*

**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 *

**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 by pinky*

**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 by jabrony*

**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 by Anonymous*

**Core mathematics**

The 4th term of an A.P.is 37 and the 6th term is 12 more than the 4th term.find the 1st and the 7th term of the sequence.

*Saturday, November 26, 2011 by Sequence and series*

**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 by pradip nayak*

**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*

**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*

**Stats**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

*Sunday, October 23, 2011 by Jennifer*

**Math**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

*Friday, October 21, 2011 by Jen*

**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 by john*

**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*

**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**

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*

**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*

**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 by Anonymous*

**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*

**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*

**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 by elizabeth*

**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-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 by Jen*

**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*

**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 by joy*

**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 by Jessica*

**Engineering Math**

solve the 1st differential equation: y1+4y=cos(x) with intial condition y(pie/3)=1

*Friday, June 24, 2011 by Thomas*

**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*

**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 by Shivangi*

**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*

**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*

**2nd Grade Math**

What is the best way to explain 2nd grade kid, how to find one fourth of 7

*Monday, May 23, 2011 by New*

**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*

**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*

**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 by Sunny*

**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 by Anonymous*

**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*

**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 by Mindy*

**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*

**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*

**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*

**6th grade science project**

My 1st science project and we have something to turn in each week from now till the science fair. this week it is the variables. Project from science buddies. I am doing-Ocean Currents: modeling the 'Global Conveyer Belt' in your Kitchen. Am I correct in my ...

*Saturday, February 12, 2011 by Reed*

**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*

**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 by Michael*

**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*

**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*

**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*

**arithmetic**

THE SUM OF THE 2ND AND 5TH TERMS OF AN A.P IS 42. IF THE DIFFERENCE BETWEEN THE 6TH AND 3RD TERM IS 12, FIND THE: COMMON DIFFERENCE, 1ST TERM, 20TH TERM.

*Friday, November 26, 2010 by JOSHUA BAME*

**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*

**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 by Leona Davis*

**5th grade**

what are the answers to the 5th grade unit 1 test harcourt

*Friday, November 19, 2010 by Destiny*

**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*

**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*

**U.S. Government**

1st Amendment help. How can one argue persuasively that the status quo of Defamation (i.e., New York V. Sullivan) should be changed. Any help or direction one could give, would be appreciated.

*Saturday, October 23, 2010 by Nancy*

**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 - Derivative of a polynomial function(check)**

The red squirrel population, p, in a neighborhood park can be modelled by the function p(t)= srqt(210t+44t^2), where t is time in year. a) Determine the rate of growth of the squirrel population at t= 2years Ans: find the 1st derivative and substitute 2 in the function. b) ...

*Saturday, October 16, 2010 by Anonymous*

**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*

**physical ed sports**

name the six positions on a volleyball court IN SERVING ORDER(1st-6th)beginning with the first player serve.

*Wednesday, October 6, 2010 by Kim*

**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*

**Pre-Calculus**

Three numbers whose sum is 15 are in an arithmetic progression. The product of the 1st two numbers is 2 more than the 3rd. Find the three numbers.

*Sunday, September 19, 2010 by Melina*

**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*

**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*

**Astronomy**

The Sun is currently in the constellation Sagittarius on New Year's Day. When Bega is the North Start, what constellation wil the Sun be in on January 1st?

*Wednesday, September 1, 2010 by Anonymous*

**Math**

Suppose that the number of cars, C, on 1st Avenue in a city over a period of time t, in days, is graphed on a rectangular coordinate system where time is on the horizontal axis. Further suppose that the number of cars driven on 1st Avenue can be modeled by an exponential ...

*Saturday, August 7, 2010 by Crissy*