Friday

January 20, 2017
**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*

**3rd math**

Bethany has 40 apples. Write a subtraction story about the apples that would require regrouping. Then write the answer in a complete sentence.

*Monday, September 19, 2011 by Kristin*

**Math**

how do you figure out 9,234 divided by [3x3(1+8 to the 3rd power)]

*Thursday, September 15, 2011 by Austin*

**chemistry**

what is 124.5 when rounding to the 3rd significant figure?

*Thursday, September 15, 2011 by cheyenne*

**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**

Find the value of x^3+Â¡Â¼2xÂ¡Â½^2-3 when x =3. I don't know how to type x to the 3rd power it keeps putting a little triangle there. How do I do this? When I type it here or in word it does the same thing. Help!

*Sunday, August 7, 2011 by lizzie*

**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. Doodleâ€™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 ...

*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*

**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*

**3rd gr math - Tenths**

Question reads....Explain how to find the mix number and decimal for nine and one tenth. Please help.

*Wednesday, June 1, 2011 by Alexis*

**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. Doodleâ€™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 ...

*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. Greenâ€™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. ...

*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*

**Math**

Could someone answer this question so I understand it. Thanks. Find the antiderivitive of the following derivitive that satisfies the given condition. dy/dx = 4x+4/3rd root of x y(1)=0 y(x)=

*Monday, April 25, 2011 by JL*

**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**

What is the degree of the 3rd angle if the other two are 68 degrees?

*Monday, March 28, 2011 by j*

**pre algebra**

(8xto the 5th power-5x)(7xto the 3rd power)

*Friday, March 25, 2011 by faith*

**math**

Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4Â° 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 2.4Â° 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*

**Physics**

I am a little confused about kinetic and potential energy regarding roller coasters. I understand that the first hill has to be the highest to gain the potential energy (PE). I hope someone can help with this example I just made up to help me understand: 1st Hill: 50 m from ...

*Wednesday, March 9, 2011 by Paul*

**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*

**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*

**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*

**Algebra**

Which is equivalent to 5(to the 6th power)/5(to the 3rd power)

*Friday, February 4, 2011 by Kriteena*

**Science**

I am doing a 3rd grade science project on the Sun. I have to create a "visual". I want to compare the size of the earth to the size of the sun. I found that you could put 1,000,000 earths inside the Sun. I would like to fill a container [representing the Sun] with ...

*Wednesday, February 2, 2011 by Ann*

**english**

What is 7 letter word for finished. 3rd letter is R and 5th letter is U

*Tuesday, February 1, 2011 by jack*

**3rd grade math hw help!**

hello all, my daughter come home with a math homework "Alphabet Polygons" I have no idea how to use the letters in the alphabet to answer the questions. Please HELP! The questions are as follow: 1) You can make polygons of some of the letters by drawing just one more...

*Monday, January 31, 2011 by Kelly*

**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*

**english (debate)**

hey im in the negative side.the topic is no homeworks on weekends and im the 3rd speaker it really sucks so can you guys help me

*Monday, January 31, 2011 by Adrianna*

**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*

**homework help!**

Would you kindly help my 3rd grader child with the below question Two ways that Ancient Greece & Egypt are alike and or different? Thanks!

*Sunday, January 9, 2011 by Cindy*

**algebra**

for a person 6 feet tall who weighs 200 pounds, find the value for k in the equation w = kh to the 3rd power

*Wednesday, January 5, 2011 by Jeff*

**math**

3x to the 3rd power plus 5x to the fifth power

*Friday, December 31, 2010 by Margaret*

**physics**

3 stings are attached on a ring. 2 of the strings make 70 degrees angle and each is pulled with 7.0 N . What force must be applied to keep the 3rd string to keep stationary?

*Thursday, December 30, 2010 by Joseph*

**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*

**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 studentâ€™s overall grade point average for the ...

*Tuesday, November 16, 2010 by Anonymous*

**3rd**

what is a good number sentence with two expressions that equal each other?

*Monday, November 15, 2010 by shy*

**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*

**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*

**3rd math homework**

I need help on one more question please write a fact family with a sum of 17. explain how you picked the addends. thanks so much

*Thursday, October 28, 2010 by choconcung*

**3rd math homework**

number sense write a subtraction fact using 6 such as 6 - ? = ?. then write an addtion fact you could use to check it. please help! thanks

*Thursday, October 28, 2010 by choconcung*

**3rd math**

Jake says adding 0 does not change a number. Is he correct? explain

*Tuesday, October 26, 2010 by choconcung*

**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*

**science**

How can my 3rd grader make a 3D ear using any material? All things accepted except buying a kit from the store.

*Wednesday, October 13, 2010 by Shelley*

**english grade 1**

how to teach interrogative and relative pronoun to grade 1 students

*Sunday, October 10, 2010 by eljhay*

**sport**

If air resistance is negligible what would the flight path of a shot from the moment of release to the moment immediately prior to landing look like using newtons 3rd law of motion?

*Wednesday, September 22, 2010 by Lisa*

**Sport**

How do I explain using Newtons 3rd Law the nature of the reaction force which provides impulsion for a cyclist?

*Wednesday, September 22, 2010 by Lisa*

**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*

**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*

**physics - newtons 3rd law**

According to Newton's third law, for every action force there is a reacgtion force, then how can a team win a tug of war contest

*Monday, August 23, 2010 by Shaila*

**PHYSICS**

A steel ball is dropped from a hight of 50 m ,how far does the ball travel during the 3rd second of the fall. my anweres was 2.0, but that's not right, im confused where i went wrong please help thanks

*Monday, August 2, 2010 by natakapriya*

**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*

**trig**

can you help me find cos 2x if sin x = -12/13 (x in 3rd quadrant)

*Wednesday, July 14, 2010 by steve*

**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*

**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*

**Alg 2**

Is there another way to find the roots of 3rd degree and higher polynomials instead of using trial and error (using synthetic division)?

*Friday, May 7, 2010 by Jak*

**Pre-Calc**

Tee Ball is similar to baseball, but the field is a diamond 40 ft square. The pitchers mound is positioned 25 ft from homeplate. Determine the distance from the pitchers mound to 3rd base.

*Tuesday, May 4, 2010 by Kali*

**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*

**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*

**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*

**math (find my grade)**

1% of my grade 82% 4% of my grade 76% 2% of my grade 100% 100% 100% 100% 100% 100% 100% 100% 82% could you please find my average. thank you!!!!

*Sunday, April 18, 2010 by rosie*

**English**

How Would you make a one paragraph thesis 3rd person on an architecture career

*Wednesday, April 14, 2010 by Drew*

**12th grade**

There are 300 students in 12th grade. What is the total population of the school?

*Monday, March 29, 2010 by Anonymous*

**math**

If you have a grade average at 50% and you score 89% percent on a test what does your grade equal out to?

*Friday, March 26, 2010 by tarra*

**classroom instruction**

â€¢ Write a 200- to 300-word response describing how you might teach this concept to students in a lower elementary grade and to students in a middle school grade. i picked problem solving i have this so far. i guess for each grade level (elem and middle school...

*Friday, March 19, 2010 by scooby*