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October 23, 2014

Homework Help: 9th Grade

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math
the 9th term of an AP is 52 while the 12th term is 70.find the sum of its 20th term
Friday, October 14, 2011 at 8:23am

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 at 1:52am

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 at 3:56pm

College
Is Harvard is really the best college ? also what high school grades are require to get to Harvard ??? When I be a 9th grader will they prepare me for SAT ???
Thursday, September 29, 2011 at 5:09pm

7 th grade math
if all my grades are above an 80 how will a 38 affectn my grade.
Thursday, September 22, 2011 at 8:52pm

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 at 12:44pm

Astronomy
Calculate the wavelength and frequency of the radiation emitted by the electronic transition from the 10th to the 9th excited state of hydrogen.
Wednesday, September 7, 2011 at 11:45am

English
I tried to summarize briefly Scotland's history. Can you please have a look at it? Which form is correct: in 9th century/in the ninth century? 6th century (AD): 500-599 (is it correct?) 9th century (AD): 800-899 10th century: 900-999 1) The first inhabitants of Scotland ...
Monday, September 5, 2011 at 9:00am

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 at 7:23pm

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 at 12:16am

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 at 5:47pm

Am. History
this is not a homework question but we are studying the Bill of Rights and my question is what, in laymans terms, is the significance of the 9th amendment? i have googled it and read many articles but i still can't get what it means. any information would be appreciated.
Friday, July 29, 2011 at 11:57am

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) / t²
Wednesday, July 13, 2011 at 11:38am

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 at 7:00pm

grammar
When posting dates on a sign is it August 9-10 or August 9th - 10th?
Wednesday, July 6, 2011 at 12:54pm

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 at 4:49am

english
i am not able to find a a poem on any inanimated thing like snow, chalk candle etc. in about 8-1o lines on net. poem should be of class 9th level can u help me please... regards yash sethia
Monday, June 20, 2011 at 4:03am

english
a poem on any inanimated thing like snow, chalk candle etc. in about 8-1o lines poem should be of class 9th level
Saturday, June 18, 2011 at 3:29am

arithmetic
The 9th term of an A.p is 32 while the12th termis70.find the sum of it 20th term
Sunday, June 12, 2011 at 10:03am

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 at 9:03pm

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 at 7:28pm

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 at 4:27pm

2nd Grade Math
What is the best way to explain 2nd grade kid, how to find one fourth of 7
Monday, May 23, 2011 at 7:10pm

statistics
what the error is: a) Grade Percent Frequency A 20% B 45% C 30% D 10% F 5% (b) The following table summarizes the grade breakdown on an exam in a small statistics class with 10 students. Grade Percent Frequency A 30% B 35% C 15% D 20% F 0%
Monday, May 9, 2011 at 2:57pm

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 at 11:19am

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 at 7:55pm

math
find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
Thursday, April 28, 2011 at 5:45pm

math
simplify, 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.
Thursday, April 28, 2011 at 5:34pm

math
4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power
Thursday, April 28, 2011 at 5:02pm

College Algebra
Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?
Wednesday, March 30, 2011 at 12:36pm

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 at 6:05pm

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 at 6:05pm

US History
Hello! I have an assignment where I have to rewrite the Bill of Rights in modern english. I've been able to do most of them, but I'm stumped on the 9th amendment. "The enumeration in the Constitution of certain rights shall not be construed to deny or disparage ...
Thursday, March 17, 2011 at 5:23pm

6th grade science
What are Newton's three laws on motion in sixth grade lingo?
Tuesday, February 22, 2011 at 9:47pm

software
I want a conclusion on system & app. Software for my i.t. Project. Not big but small i.e. A paragraph for class 9th
Monday, February 14, 2011 at 6:46am

chemistry
What would the wavelength of radiation whose frequency is 5.75*10 to the 9th cycles per second be? Name the type of radiation it is?
Thursday, February 10, 2011 at 10:13pm

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 at 4:07pm

math
The third and seventh terms of an arithmetic sequence are 10 and 20. 1) What is the value of the 1st term? 2) What is the value of the 9th term? 3) What is the equation to find the nth term in the sequence? HELP!! PLEASE!!
Wednesday, February 2, 2011 at 3:52pm

MATH
WHAT IS THE LCM OF 21X TO THE 7TH POWER AND 147X TO THE 9TH POWER
Tuesday, February 1, 2011 at 11:46pm

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 at 4:54pm

math
i am having difficulties figuring this out.... a ball has dropped from a height of 15m and bounces 60% of the previous height. the total distance ball travels after the 9th bounce is... i got this equation done but i do not know how to calculate this to find the answer 15(0.6^...
Monday, January 24, 2011 at 4:11pm

physical science
How many hours are required for a radio signal from a space probe near the dwarf planet Pluto, 6.00 x 10 (to the 9th) km away, to reach Earth? Assume that the radio signal travels at the speed of light, 3.00 10 (to the 8th) m/s.
Saturday, January 22, 2011 at 8:04pm

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 at 7:43pm

9th algebra
You store square notepaper in cube-shaped box with an inside edge length of 3 inches. What is the volume of the box?
Tuesday, January 11, 2011 at 5:42pm

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 at 7:01pm

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 at 12:42pm

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 at 5:22pm

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 at 11:56pm

5th grade
what are the answers to the 5th grade unit 1 test harcourt
Friday, November 19, 2010 at 5:49pm

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 at 11:18pm

8th grade
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 ...
Monday, November 15, 2010 at 10:40pm

9th grade algebra
The table shows the ammount ( IN dollars) spent by a household on plans and flowers in certain years. ( Time interval means to give a range of years) A) Determine the time interval during which the amount spent on plans showed the least rate of change. B) Determine the time ...
Monday, November 15, 2010 at 2:44pm

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 at 10:20pm

9th
The electricity costs of a business increased from $18,000 one year to $19,000 the next. To the nearest whole percent, what was the rate of increase?
Saturday, October 23, 2010 at 7:31pm

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 at 5:29pm

9th gradesocial studies
i have a project on changing area under forest and its impact on environment and i am not getting any information on it can you help me
Monday, October 18, 2010 at 5:56am

english grade 1
how to teach interrogative and relative pronoun to grade 1 students
Sunday, October 10, 2010 at 6:46am

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 at 8:54pm

Statics for Engineers
Knowing that the coefficient of static friction between the collar and the rod is 0.35, determine the range of values of P for which equilibrium is maintained when theta = 50 degrees and M = 20 Nm. From 9th edition Beer, Johnston Vector Mechanics for Engineers Statics
Wednesday, October 6, 2010 at 8:13am

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 at 5:44pm

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 at 9:06pm

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 at 10:21pm

Sep.11/01
Tomorrow will be the 9th anniversary of the worst terrorist attacks on American soil, when the Twin Towers were destroyed, the Pentagon was attacked, and Flight 93 crashed into a field in Pennsylvania. Did the terrorists wanted to kill the former Secretary of Defense at that ...
Friday, September 10, 2010 at 6:59pm

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 at 6:16pm

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 at 6:27pm

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 at 5:12pm

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 at 6:35pm

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 at 6:12pm

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 at 8:38pm

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 at 8:15pm

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 at 7:56pm

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 at 6:10pm

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 at 6:08pm

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 at 9:55pm

10th grade
i need an interesting topic for a tenth grade informative essay
Monday, April 19, 2010 at 2:30pm

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 at 2:57pm

spanish
How do you write "December the 9th" in Spanish ?
Friday, April 16, 2010 at 7:28pm

12th grade
There are 300 students in 12th grade. What is the total population of the school?
Monday, March 29, 2010 at 11:21am

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 at 9:26pm

classroom instruction
• 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) i would ...
Friday, March 19, 2010 at 9:18pm

computer science
ineed help with c++. i am using code blocks and i have a problem with the compiler. when I run this code ¡é # include <iostream> using namespace std; int main() { cout<<"Hello World!"<<endl return(0); } this message keep pops up. ¡...
Sunday, March 7, 2010 at 7:52pm

math
if 9th term of an A.P is 0.prove that its 29th term is double the 19th term.
Thursday, March 4, 2010 at 4:03am

math
if 9th term of an A.P is 0.prove that its 29th term is double the 19th term.
Thursday, March 4, 2010 at 3:40am

classroom instruction 9not sure if i am right)
• Search the Internet to locate and review your state’s educational standards for a grade level and subject that interests you, such as second-grade language arts or fifth-grade science. i am doing physical education in wisconsin. this is what i have i am not sure if...
Friday, February 19, 2010 at 8:52pm

6th grade
Doyou have 6 grade text book?
Monday, February 15, 2010 at 8:43pm

6th Grade Science : Newton's First Law of Motion
Explain the idea of streamlining.\, as it applies to the skydiver. If you have the following textbook: Scott Foresman Science, 6th Grade good for you! Look on pages B102 - B105.
Friday, January 29, 2010 at 7:31pm

7th grade
i need help on Chemistry and i am in 7th grade i don't know how to do some problems and i would like to know how to translate statements into equation form?
Friday, January 22, 2010 at 7:13pm

7th grade math
I am in 6th grade and i am haveing trouble with statistics and how to memorize them!!! How can i do this???? Is there a special way???
Monday, January 18, 2010 at 1:41pm

science
i am in 7th grade accelerated science, so i am learing 8th grade material. I am having some difficulties with covelant and ionic bonds. My lab is due tomorrow and i have a quiz on Wed. If anyone can help me understand this better i would be greatful. Thank-you.
Monday, January 4, 2010 at 6:18pm

1st grade Math Fair
My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I dont know where or how to begin this project. Can anyone help?
Friday, January 1, 2010 at 12:30am

Science-9th
Which of the following are characteristics of all animals? A.multicellular, haploid cells that divide by mitosis, organisms with organ systems B.multistage zygote development, vertebrates, reproduce sexually C.99 percent invertebrates, heterotrophs, multicellular D.both a and ...
Sunday, December 13, 2009 at 7:55pm

math 9th
If RS= 20, UT = x + 10, RU = y + 3, and ST = 15, find the values of x and y. x = 10, y = 12 x = 30, y = 18 x = 5, y = 17 x = 23, y = 25 Cant figure this out just explain, try not to give me the answers!!! P.S. you guys and gals are incredible, very nice!!! thanks from the ...
Saturday, December 12, 2009 at 11:40pm

Maths
An Investment Fund manager is required to maximise the return on a portfolio of bonds given the following information: Bond types Projected rate of return Benchmark government 9.1 UK gilts 10.3 Global investment grade (US $) 6.7 Global investment grade (euro) 8.7 Global ...
Tuesday, December 8, 2009 at 6:43am

8th grade
im in advanced math so i do 8th grade math and i dont understand how too gragh the fractions in equations like y=2/3x+1
Sunday, November 29, 2009 at 2:42pm

Science
I am in 6th grade and doing very well so i am not stupid or anything but i dont know if my science fair project is for my grade level. It's What Makes Ice Melt The Fastest. What Do You Think? Thnak You
Monday, November 16, 2009 at 6:59am

9th Chemistry
Why is there a big space in the periodic table between the 2nd & 3rd periods? The activity of the electrons is related somehow.
Sunday, November 8, 2009 at 8:54pm

3rd grade
3rd grade Explain how to add with carrying give example
Wednesday, November 4, 2009 at 8:43pm

9th grade
A new high school has just been completed. There are 1,000 lockers in the long hall of the school and they have been numbered from 1 to 1,000. During lunch, the 1,000 students decide to try an experiment. - The first student, student 1, runs down the row of lockers and opens ...
Sunday, November 1, 2009 at 2:51pm

programming
Consider the following selection statement where X is an integer test score between 0 and 100. input X if (0<=X and X<49) Output "you fail" Else if (50<=X and X <70) Output "your grade is" X Output " you did OK" Else if (70<=X and X...
Friday, October 23, 2009 at 7:38pm

Linear Programming
OKay My question is: Two factories manufacture 3 different grades per paper. the company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It cost $1000 per day to operate the first ...
Friday, October 16, 2009 at 8:30pm

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