Saturday

July 23, 2016
**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*

**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*

**Calculus**

proof that the limit as x approaches 2 of x to the 4th equals 16
*Friday, September 16, 2011 by Greg Gilchrest*

**Math 4th gr**

How do I write this in standard form 3,000,000+200,000+40,000+600+70+7?
*Thursday, September 15, 2011 by Miya*

**arithmetic**

If you treat the day of the month as a number (March 12th is the number 12, April 4th is the number 4), what is the average value of the numbers that represent the 6 Tuesdays that fall after September 12, 2011?
*Monday, September 12, 2011 by Kesha*

**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**

(1.0900 x 10to the 4th) X (2.098X 10 to the 14th) divided by (7.45x 10 to the negative 6th power)
*Tuesday, August 30, 2011 by Connie*

**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*

**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*

**Stats**

a raw score on a particular intelligence test is known to be approximately normally distributed in a population of 4th graders, with a mean of 95 and variance 81. which score has the property that there are 15% of scores in the population that are above it?
*Friday, July 15, 2011 by Jason*

**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*

**maths**

how to write 4th july 2011 in 5 letters without using letters
*Thursday, July 7, 2011 by shamna*

**Algebra 2**

Provide an appropraite response. If y varies inversly as the 4th power of x and y=3 when x=2, what is y when x=0.5? If Q varies inversly as the sqaure root of R and Q=2 whe R=4, what is Q when R is 25?
*Wednesday, July 6, 2011 by CC*

**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*

**English**

Hello I am in 4th grade and i have wrote this poem: i am waiting for the rain from such a Long time this heatness is suffocating Air conditionar has just became the prime Opening the windows and everywhere is the grime Feel's like I am in a desert Will it ever rain or it ...
*Monday, June 6, 2011 by Chris Chance*

**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*

**math**

Mother duck collected 120 worms and divided them into 5 equal groups. She gave 8 of her worms to the first 3 ducklings. Then she took 3 of theirs and gave to the 4th duckling. How many did each end up with?
*Tuesday, May 24, 2011 by Kory*

**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*

**History- i dont understand**

Please answer or give reference link Due Process: Relate the 5th/4th Amendment, procedural, substansive, police power, right to privacy. what's in common?
*Thursday, May 19, 2011 by TonyaVV*

**Judicial**

Due Process: Relate the 5th/4th Amendment, procedural, substansive, police power, right to privacy.
*Thursday, May 19, 2011 by TonyaVV*

**History**

Due Process: Relate the 5th/4th Amendment, procedural, substansive, police power, right to privacy. what's in common?
*Thursday, May 19, 2011 by MorganV*

**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*

**Science-6th**

I'm having some trouble with this thing in science. It wants us to list four members of the Protist kingdome. I already have 3, algae, protozoa, and slime molds. I can't think of a 4th one! Help please!
*Thursday, May 5, 2011 by Ariadne*

**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*

**CHEM**

Trying to figure out how to draw the structure 2-bromo-4-phenylpentane I thought it was a five carbon strong with the ring on the second C and a Br on the 4th - but thats not correct (or not completely correct) What am I doing wrong?
*Thursday, April 28, 2011 by Star*

**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*

**english**

how to do an oral presentation on to decribe a formal wear superstore. i had to submit this assigment on monday 4th april.
*Friday, April 1, 2011 by kennie*

**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*

**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*

**math**

write an expression for jessica who sits in the 4th row 3rd seat. Each row has 6 seats only four rows.
*Monday, March 7, 2011 by dashun*

**math 117**

simplify by factoring sqrt1575to the 4th sorry not sure how to type it out right
*Saturday, February 26, 2011 by scott*

**physics**

If a mass of 65kg drops 4.3m onto a spring with a stiffness coefficient of 6.2x10n/m to the 4th power, how far does it compess the spring?
*Saturday, February 26, 2011 by Elmer*

**physics**

if a 65 kg mass drops vertically onto a spring wit stiffness coefficient of 6.2x10 to the 4th power , how far does it depress the spring?
*Saturday, February 26, 2011 by Elmer*

**Math**

How do you multiply monomials without an exponent as one of the numnbers? The problem is 1 to the 4th times 1.
*Thursday, February 24, 2011 by Mary*

**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*

**Ecology**

Estimate the fish population of Lake Champlain using the Lincoln-Peterson Method. -Number of fish of 1st capture: 60 -Number of fish of 2nd capture: 65 Marked fish in 2nd capture: 10 -Number of fish of 3rd capture: 65 Marked fish in 3rd capture: 15 -Number of fish of 4th ...
*Wednesday, February 16, 2011 by Anonymous*

**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*

**Chemistry**

How do I calculate the wavelength of the emission line when electrons drop from the 4th to the 3rd energy level in the hydrogen atom?
*Wednesday, February 9, 2011 by Lis*

**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*

**Algebra**

What is 3y to the 4th power divided by 6y to the negative 4 power
*Thursday, February 3, 2011 by jayjay*

**4th math**

Kevin has a rabbit, a ferret, a gerbil, and a turtle. He feeds them in a different order each day. In how many different orders can kevin feed his pets?
*Wednesday, February 2, 2011 by Anonymous*

**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*

**Government high school**

A G.P has 6 terms. If the 3rd and 4th terms are 28 and -56 respectively,find: (a) the first term (b) the sum of the G.P
*Thursday, January 27, 2011 by Olawale azeez*

**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*

**algebra**

sasha needs to score at least 360 points on 4 tests to earn an A. on her first 3 tests she scored 86,93,and 88. what must she score on her 4th test
*Tuesday, January 4, 2011 by kattie*

**4th math**

greatest to least put these in the right order? 1/3 3/4 2/5 0.5 0.09 Thank you
*Monday, January 3, 2011 by heather*

**social studies**

is the 4th july a-freedom b-fireworks c-work d-sports
*Monday, January 3, 2011 by Kyla*

**4th grade**

bertrand is building in the form of a rectangle. he knows that the garden will be 10 feet wide. he wants to fence in the garden but only has 56 feet of fence to work with. how long mist the garden be to fence it with exactly 56 feet of fence? show how you found your answer. in...
*Friday, December 17, 2010 by dk*

**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*

**Algebra**

I am stuck... find the real solutions of the equation x to the 4th power minus 20x squared plus 64 equals 0
*Wednesday, December 8, 2010 by Kyle*

**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*

**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**

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*

**Accounting**

A credit saleof $800.00 is made on April 25th, terms 2/10, n/30, on which return of $50.00 is granted on April 28th. What amount is recieved as payment in full on May 4th?
*Tuesday, November 16, 2010 by Jenny*

**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*

**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*

**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*

**earth**

how far should a man go from the centre of the earth such that his weight is 1\4th of that on the earth?radius=6400km.
*Wednesday, October 20, 2010 by jahnvi*

**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*

**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*

**chemistry**

why is the 5th ionisation energy(IE) of carbon so much larger than its 4th?
*Saturday, September 18, 2010 by kabelo*

**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*

**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*

**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*

**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*

**geometry**

10x(to the 5th power)y(to the 4th power) over 15x(to the third power)y(tothe 9th power)
*Friday, July 23, 2010 by Nicci*

**Maths**

The first term of a g.p is 2 calculate the 4th given that common ratio ir 2
*Thursday, July 15, 2010 by The first term of a g.p is 2, calculate the 4th. Given that common ratio is 2*

**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*

**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 ☻ *

**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*

**Chemistry**

Ba-140 has a half life of 13.0 days. What fraction of a sample of Ba-140 will remain after 39 days? A. 1/8th B. 1/16th C. 1/2th D. 1/4th
*Sunday, May 23, 2010 by Charleze*

**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*

**algebra**

write a polynomial for the length of the rectangle: area is- 7xto the 4th power minus 14x. the width is 7x.
*Friday, April 30, 2010 by Jim*

**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*

**Math**

Too lazy to use the calculator, lol. 22 times (90) divided by 30 times 2,000 to the 4th power plus six. Answer please!
*Tuesday, April 27, 2010 by Carmynne*

**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*

**10th grade**

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