Saturday

January 21, 2017
**chemistry**

how long would it take a radio wave with a frequency of 7.25 x 10to the 5th to travel from Mars to earth if the distance is approx. 8.0 x 10 to the 7th?

*Wednesday, October 26, 2011 by karen*

**PLZ HELP....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*

**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*

**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*

**maths**

the 3rd term of a g.p is 63 while the 5th term is 567,what is the sum of the first 7 terms

*Wednesday, October 5, 2011 by kingsley*

**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*

**Biology**

What is the 5th characteristic for all living things? I already have: 1. Heredity 2. Metabolism 3. Reproduction 4. Homeostasis

*Wednesday, September 21, 2011 by Brandon*

**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*

**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*

**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. 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*

**algebra 2**

Rewrite the expression as the sum and/or difference of logarithms, without using exponents. Simplify if possible. Log of 7(p to the 5th root q to the 9th root) / tÂ²

*Wednesday, July 13, 2011 by renee*

**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*

**physics**

Energy can be stored in these- until you let them go! It is 7 letters and the 5th letter is 'n'

*Tuesday, June 14, 2011 by Anonymous*

**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*

**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*

**chemistry**

What is 9.3 X 10 to 5th power

*Friday, May 13, 2011 by Ch*

**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*

**physics**

i'm in 5th grade and i really need some help. in science, we got this science packet that's really hard. it's really hard. the question is: Jarrod measured the temperatures of two containers of water with two different thermometers. The water in Container A was at ...

*Thursday, April 7, 2011 by deja*

**algebra 2**

find the 5th term for the expression (u+2v) ^4

*Tuesday, March 29, 2011 by tris*

**5th Grade Math/Making a Duplicate**

I need help with a worksheet that has a line going down with a y with positive numbers at the top and negative numbers at the bottom and the it has a line going across with an x with negative numbers on left and positive on right. It has a tic tac toe looking box in the ...

*Tuesday, March 29, 2011 by Schwann*

**algebra 2**

Find the 5th term of the expression (r+s) ^10

*Tuesday, March 29, 2011 by tris*

**algebra 2**

Find the 5th term of the expression 1) (a-b) ^9

*Tuesday, March 29, 2011 by tris*

**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*

**Algebra**

Simplify 12n to 5th power/36n

*Thursday, March 10, 2011 by michael*

**5th grd math- metric conversion**

30m = 6000, i have converted to cm, in, and ft, no where close to getting 6000? help

*Monday, March 7, 2011 by Lydia*

**5th math**

Answer to this question: Lucienne and her class made 684 note cards for a school benefit. how many boxes of eight can thry fill? And tell what you did with the reminder?

*Wednesday, March 2, 2011 by tyrese*

**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*

**physics**

what sould be the angular speed with which the earth have to rotate on its axis so that a person on the equator would weight 3/5th as much as present..??

*Saturday, February 5, 2011 by partha*

**5th math**

7/10 - W= 1/2 solve for W

*Thursday, February 3, 2011 by jill*

**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*

**5th math**

what is the average number of hot dogs sold? 12,12,13,17,21,22,22,22,22,30,32,37. please! show me this how to solve this problem? my last question for today.thank you very much without your help . it;s impossible to understand this problem.

*Thursday, January 27, 2011 by pat*

**5th math**

What is the measure of each side of a square with a perimeter of 60 inches? this one I'm total lost . please ! show me how you do this problem. thank you!!

*Wednesday, January 26, 2011 by pat*

**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*

**5th math**

what ist he mean for the following nubers? 33,41,37,27,32. can you please explain the problem to me..?? what ist he least common Multiple(LCM) for 6,4,and 8?

*Tuesday, January 18, 2011 by pat*

**5th math**

If a spinner is divided into 8 congruent sectors what is the sample space ? there a 2 1's, 2's. 3's and 4's that make up the segments

*Monday, January 17, 2011 by jill*

**MATH**

Erics 4 test grades are 85, 75, 97, 93 . What must she make on her 5th test to have an average of 87?

*Tuesday, January 11, 2011 by Please help!!!*

**5th math**

1/8 = 12 1/5 % what % is 3/8 = to ? would it be 37 1/2 %

*Monday, January 10, 2011 by jill*

**5th math**

jim can pack a bag of groceries in 6 seconds how many can be packed in 15min solve as a fraction division problem to answer the question? Would it be 25?

*Monday, January 10, 2011 by jill*

**English**

Thank you for your corrections. Here are some more sentences on history I'm not sure of (especially the parts included in brackets). 1)The Celts were expert farmers (?), hunters and deep-sea fishermen.The Romans introduced (I need a synonym: brought?) their civilization ...

*Friday, January 7, 2011 by Franco*

**5th math**

i need help with this problem .please! show me how to do it. What is the median for the following number? 11,30,24,20,15,31,32,20,18,29. thank you!

*Tuesday, January 4, 2011 by pat*

**f/math**

the common ratio of a g.p is 2.if the 5th term is greater than the first term by 45, find the 5tth term

*Friday, December 31, 2010 by dennis*

**5th**

Explorig adding Fraction. 3/4+1/8=? 1/4+ 1/8= 7/8+3/4= please show me how to do this problem.. thanks! next find the sum of 2/5and5/10.____.

*Wednesday, December 15, 2010 by pat*

**math**

im a 5th grader and im wondering what3121 is divided by 81 and what is 8921 divided by 59

*Wednesday, December 15, 2010 by gia*

**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*

**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*

**5th math**

what is the mode for the following number? 9,5,3,6,5,2,4, please !show me how to do this problem> thank you!!

*Wednesday, December 1, 2010 by pat*

**5th grade math**

The number of pages is a 2-digit number. the number of photos on a page is a 1- digit number. the number of pages is 60 more than the number of photos on a page. the number of pages is divided by the number of photos on a page is 16. What is the number of pages?????????

*Tuesday, November 30, 2010 by Chris*

**math 5th**

Does one mile = 5280 feet?

*Sunday, November 28, 2010 by jill*

**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*

**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*

**5th math**

560.1/3 0.1s,1s, 10s ,100s. How I estimated? Answer___________. please! help me i'm total lost with this.. thanks!I knew it's division.

*Tuesday, November 16, 2010 by pat*

**5th math**

If in a data set, all numbers appear just once, what is the mode?

*Tuesday, November 16, 2010 by sueann*

**5th gr ade social studies**

what is the fact of Each European gropup that set up colonies settled in a specific part of the Americas.

*Sunday, November 7, 2010 by angel*

**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*

**5th math**

is regular polygon has 8 side?

*Thursday, October 28, 2010 by pat*

**5th math**

Estimate and solve. 214+182= Estimate___________ Solution____________ 1,532-176= estimate:_____ can you please show the work too thanks!! Solutionz:____

*Wednesday, October 27, 2010 by pat*

**5th math**

how many 3,000s in 270,000? and how many 90s in 63,000? please show me the work also , so i can do the rest right. thanks

*Tuesday, October 26, 2010 by pat*

**math**

How do you find the rule of the sequence if the 2nd term is 40057.07 and the 5th term is 19192.53

*Monday, October 25, 2010 by juan*

**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*

**ALgebra**

tom scores 83,88,75, and 90 on the first 4 tests in algebra. what does he need to get on the 5th test to have an average of 85?

*Saturday, October 16, 2010 by matt*

**math**

A student's scores on four math tests were 89,92,95, and 85. What will he need to make on the 5th test to have an average of 93? is this possible? HELP!

*Thursday, October 14, 2010 by Kenya*

**english grade 1**

how to teach interrogative and relative pronoun to grade 1 students

*Sunday, October 10, 2010 by eljhay*

**Stats**

Give the numerical value for each of the following descriptions concerning normal distributions by referring to the table standard unit normal distribution for N(0,1) The 5th percentile of N(20,36) Mean and variance

*Saturday, October 9, 2010 by Vee*

**Staistics**

Give the numerical value for each of the following descriptions concerning normal distributions by referring to the table for N(0,1) The 5th percentile of N(20,36)

*Saturday, October 9, 2010 by Vee*

**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*

**5th**

find the missing number: 18,20,20,24,27,27,____,30,33,34,36,36,_ I need you to show me this answer cause, i got stuck with this one. thank you!

*Wednesday, September 29, 2010 by pat*

**social studies**

I need to know the best way to explain what the atlanta campaign was to my 5th grader

*Thursday, September 23, 2010 by Ave*

**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*

**5th grade math**

Larsen's class collected 137 cans. Schmidt's class collected 87 cans & Lopez's class collected 197 cans. Use mental math to see how many more cans Lopez's class collected than Schmidt's. (Got answer of 110) How many more cans did Larsen's class collect ...

*Tuesday, September 14, 2010 by lost*

**science**

how can my son a 5th grader be able to design an expermient with a lab report that theaches others how to use a balance correctly

*Monday, September 13, 2010 by Alexa*

**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*

**social studies**

if it is satuday dec 5th. in rio de janeiro,what time and day is it in hong kong

*Tuesday, September 7, 2010 by adam*

**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*

**5th grade english**

I am writing a report on the Liberty Bell. am writing a report on the Liberty Bell--complete predicate writing--verb Is this the correct complete predicate and the correct verb?

*Monday, August 16, 2010 by Nicole*