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
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
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
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
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
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
Mr. Doodles 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
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
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
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
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
Mr. Doodles 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
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
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
After years of data collection by college students, it has been determined that the distribution of course grades in Ms. Greens Statistic II class follows a normal distribution with a mean of 62 and a standard deviation of 14. (a) A student will pass Ms. Greens ...
Monday, May 9, 2011 by Karen
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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 students overall grade point average for the grading ...
Tuesday, November 16, 2010 by Anonymous
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
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
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
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
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
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
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
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
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
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