Monday
May 2, 2016

Homework Help: 9th Grade

7th grade science
What are mass extinctions?
Sunday, January 29, 2012 by saranghae12

math
3rd grade create an algorithm that has a difference of 20
Thursday, January 26, 2012 by Ali

6th grade math
how to solve w/3=17
Sunday, January 22, 2012 by Isaiah

12th Grade Calculus
how will you multiply y = ae^3x + be^-2x with dy/dx = 3ae^3x - 2be^-2x
Sunday, January 22, 2012 by Akash

6th grade math
1/4 * 1/2 =4D
Monday, January 16, 2012 by kirsten

5 th grade algebra
5a-a-2a=18
Saturday, January 14, 2012 by kennady

Math - Arithmetic Sequences
The sum of the 4th and the 14th term of an arithmetic sequence equals 22. The 9th term is 4 larger than the 4th term. Calculate the first term of the sequence. I've been trying to solve this for like an hour but I just can't figure out how to do it! I'd really ...
Saturday, January 14, 2012 by Max

4th grade math
What are 3/7,1/9,and 2/3 all realated to?
Thursday, January 12, 2012 by Ivana

university of phoenix
The weight of a small Starbucks coffee is a random variable with a mean of 360 g and a standard deviation of 9 g. Use Excel to find the weight corresponding to each percentile of weight. a. 10th percentile b. 32nd percentile c. 75th percentile d. 90th percentile e. 99.9th ...
Wednesday, January 4, 2012 by michelle

math
week 1 3 miles week 2 7 miles week 3 11 miles week 4 15 miles sophia predicted that jhon will run 32 miles during 9th week. use words symbols or numbers to explain wether sophia's prediction is correct
Monday, January 2, 2012 by gabriel

Question
I'M CURIOS SO DON'T JUST JUDGE ME AND BE RUDE i'M REALLY CURIOUS AND i FORGOT TO ASKED THIS QUESTION. DO NOT JUDGE ME!!!! Do I start taking SAT's and ACT's in grade 10th or 11th/12th grade???? I'm really curious.
Friday, December 30, 2011 by Lauren

Statistics
2. You are given the following data. Number of Absences Final Grade 0 93 1 90 2 79 3 66 4 60 5 56 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days. Show all ...
Friday, December 30, 2011 by Lauren

THE TWILIGHT ACADEMY?????
The Twilight acamdy program is an evening alternative program offered at each hs and designed to meet the needs of at-risk students in gr 9th-12th who will benefit from a smaller academic environment. Students are offered all regents coures nessary for graduation, as well as ...
Sunday, December 18, 2011 by Laruen

math 6th grade
How to write out 10 the negative 6?
Wednesday, December 14, 2011 by Bob

Math Grade 3
what happen when you divide a 3 -digit number by 10
Monday, December 12, 2011 by Hong

Math Grade 3
what happen when you divide a 3 -digit number by 10
Monday, December 12, 2011 by Hong

algebra 2nd grade
find the missing number 42-9=43-
Monday, December 12, 2011 by carol

Math 4th grade
Input 15 ? 30 10 9 3 1 Output 6 18 3 9 ? 30 90
Wednesday, December 7, 2011 by Diamond

Statistics
. You are running an a single variable ANOVA with five levels of the variable, such as comparing IQ on 5th, 6th, 7th, 8th and 9th graders and the F-value is very large. The significance for the F value is equal to .0003. What can you conclude about the overall effect and what...
Tuesday, December 6, 2011 by Linda

7th grade mayh
Dimensional analysis 4.25L/h to mL/h
Sunday, December 4, 2011 by Anonymous

7h grade math
Deminsional analysis 4.25L/h to mL/
Sunday, December 4, 2011 by Anonymous

grade 7 math
which expression is equivalent to (n+10)x5
Sunday, December 4, 2011 by vito

8th grade science
what does Radium bond with and what are the reactions
Saturday, December 3, 2011 by Anonymous

SAT's and ACT's
How to pass the SAT's and ACT'S for the John Hopkins Talent Search? Here are the grade chart. Awards Ceremony Eligibility Chart (valid for students who tested by June 30, 2011) SAT Grade 7 Math >=550 or Critical Reading >=550 ACT Grade 7 Math >=21 or Reading &...
Friday, December 2, 2011 by Laruen

7th grade math
please help me solve n-16= -23
Thursday, December 1, 2011 by asia

math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ___________ > 4 x is her last score which has not been taken. ...
Wednesday, November 30, 2011 by Jennifer

math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: 75+85+90+X ----------- > or = to 85 4 x is her last score which has not ...
Tuesday, November 29, 2011 by Jennifer

algebra
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken. Explain this equation and ...
Tuesday, November 29, 2011 by Jennifer

math
Jane is taking a class and asks you to help her figure out what her last grade must be in the class to get a 85 in the class. She tells you the following calculation is used to find your final grade: w2d2 x is her last score which has not been taken. Explain this equation and ...
Tuesday, November 29, 2011 by Jennifer

math 4th grade
writing a sequence for the rule a-4=b
Tuesday, November 29, 2011 by joe

7TH GRADE MATH
please help solve -5(9K-8) + 2 (8+6K)
Monday, November 28, 2011 by ASIA

Plz Help
You I'm entering this contest Scholastic Arts and Writing Award, and I'm a bit confused so I have to register online, then fill out a form since I'm doing it and mail my art work and writing in???? I check the site but I'm confused. I'm in 7th grade by the ...
Sunday, November 27, 2011 by Laruen

2 grade math
% of 0.66? Answer 66. Am I right
Thursday, November 24, 2011 by Anonymous

MAth grade 8
x+5/6 = 3x-5/8 Solve for x
Tuesday, November 22, 2011 by 17halimk

MAth grade 8
how do you convert 2 4/5 to decimals
Tuesday, November 22, 2011 by 17halimk

world history
I need to put these history dates in Chronological order to fill out a history chart on Buddhism. I am not sure the correct order and don't want to get the whole chart wrong. Please help. 5th century B.C.E. 350 C.E. 500 C.E. 819 C.E. Early 9th century C.E. 845 C.E. What is...
Sunday, November 20, 2011 by Allura

My Award Binder
I have a award binder to keep all of my award from 1st grade to now and I need ideas to organize it and make it pretty. I don't have any award from 7th grade but my pricipal said that I will have a lot of awards (as I was walking to go to the library during my lunch period...
Saturday, November 19, 2011 by Laruen

My Awards (to share with teachers)
1st Grade participation in summer reading and math program ------ 3rd Grade 2nd place in primary spelling bee Certificate of Achievement: Math, Music, Good Citizenship, Student of the month - June (4 awards) ---- 4th Grade Parp Ribbin Headliners Science Fair (scientific ...
Saturday, November 19, 2011 by Laruen

Another Question
Is 8th grade is hard?
Saturday, November 19, 2011 by Laruen

4th grade
75-3m when m=8. Thanks!
Friday, November 18, 2011 by Dominique

Linear Programming
Riverside oil company in eastern Kentucky produces 3 different grades of gasoline. They are regular, premium, and supreme grades. Each barrel of regular grade sells for $77 while premium grade sells for $82 per barrel and supreme grade sells for $89 per barrel. Petroleum ...
Thursday, November 17, 2011 by Ashley

8th Grade Help
My sister is gradating grade 8th this year and she wants to create her own 8th grade yearbook using a "marble notebook" she doesn't want to use a scrapbook she need cover ideas memorable quotes and funny ideas background ideas (when putting pictures she needs ...
Tuesday, November 8, 2011 by Laruen

6th grade math
which is bigger? 17/19 0r 0.85
Monday, November 7, 2011 by Kate

6th grade math
Which comparison is correct? A. < 0.05 = 50% B. 0.7 = < 10% C. < 25% < 0.9 D. 0.3 < 36% =
Sunday, November 6, 2011 by Kate

7th grade math
8/9 \1/4
Saturday, November 5, 2011 by Aaron

8th grade math in pre-algebra
6(2x+3)=42
Friday, November 4, 2011 by Anonymous

8th grade math
collect like terms 3a+2a^2+a-a^2
Wednesday, November 2, 2011 by Hector

MATH 7th GRADE
7ã3 / ã 5
Saturday, October 29, 2011 by PLEASE HELP

Fourth grade math
What's range mean?
Thursday, October 27, 2011 by Zoe

MAth grade 8
y^2-4y+4/2-6y x 2y+4/3y^2-12
Wednesday, October 26, 2011 by Aldwin

Maths Grade 8
m^2-m-6 m^2 _________ x ______ m^2-9 m^2+2m
Wednesday, October 26, 2011 by Aldwin

4 grade math
complete the following problem 4+8+7/3*72
Monday, October 24, 2011 by Maria

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

5th Grade Science
Creation of landforms??
Thursday, October 20, 2011 by Julie

physics
After a jump, a skydiver reaches terminal speed in 10 seconds. Does he gain more speed during the first second of fall or the ninth second of fall? which of these two seconds (1st or 9th) will he fall the greater distance?
Wednesday, October 19, 2011 by Rich

math
the number of 5th grade students in a school is a prime number greater than 50.What is the least number of 5th grade students there could be in a school
Thursday, October 13, 2011 by clayton

4th grade math
how do I find the mean of 92;96;99;103;88
Wednesday, October 12, 2011 by carter

Grade
Ok today during social studies I got this mini progress report (it's a overview on what grade I have right now before they send our real progress report which they may send this week or next week) and like I just want to know what GPA i got. Here it is & other classes ...
Tuesday, October 11, 2011 by Laruen

math
Studies have shown a particular television commercial is understood by 25% of first grade students and 80% of fourth grade students. If a television advertising agency randomly selects one first grader and one fourth grader, what is the probability neither child would ...
Tuesday, October 11, 2011 by Khizar

Economics
The schedule below shows the level of output that can be produced using different levels of input. A unit of input costs $80 and the fixed costs of running your business are $50. Input Output 0 0 1 2 2 6 3 9 4 11 5 12 1. What is your AVC of producing 11 units of output? ...
Saturday, October 8, 2011 by John Doe

5th Grade Math
what fraction is the largest? 3 2/3 or 3 3/4 or 3 1/2 or 3 3/5?
Tuesday, October 4, 2011 by Nicole

5th Grade Math
I just wanted to Thank you Ms. Sue for the help my son is in 5th grade and some of his homework i don't understand, and i don't want him to turn it in wrong. So if i have more of an understanding then i can help him more with his homework so he gets a better ...
Tuesday, October 4, 2011 by Nicole

5th Grade MATH!
in Which set is 2/3 of the numbers composite? a. 21,29,15,9,27,30 b.18,5,19,33,23,20 c.10,28,21,35,19,11 d.34,12,16,32,22,8
Tuesday, October 4, 2011 by Anonymous

social psy
) Researcher wants to look at the correlation between class attendance and grade in class (higher numbers indicating a higher grade). The researcher found the following result r = .82. The correlation coefficient tells researchers two pieces of information, the strength of the...
Monday, October 3, 2011 by deb

6th grade math
what is 1/3 of 3/2? is that means multiply??? or devide???
Thursday, September 29, 2011 by Kate

3RD GRADE MATH
WHATS THE ANSWER TO 10 + ? = 20 + 110
Tuesday, September 27, 2011 by MAJESTI

math 11 grade
How do you do this 5a+(9)-12e*5a+(3)
Monday, September 26, 2011 by shay

6th grade social studies
what is world culture
Thursday, September 22, 2011 by Ja'Shawn

Math
what is y+19=9 plz help me i dont understand this im in 7th grade >.>
Wednesday, September 21, 2011 by someone

6th grade math
3/4x-2/3x=2/5
Wednesday, September 21, 2011 by Carol

fith grade math
well i'm trying to do 49 x27 how would you do that?
Monday, September 19, 2011 by ashley

Physics - HELP! PLEASE
The problem is from fundamentals of physics 9th edition by halliday. Here is a free download of the book since I couldn't post the graph (I had to write out link since site doesn't allow links to be posted): tripplew period sendspace period com/file/shrz0x I am having ...
Sunday, September 18, 2011 by Linda

5th grade algebra
4h=31-3 h=?
Thursday, September 15, 2011 by Dacia

6th grade math
but why is 2.0 bigger than 0.15?
Thursday, September 15, 2011 by Kate

7th grade math
what is a supplementary angle?
Wednesday, September 14, 2011 by saranghae12

7th grade math
what are complementary angles? Please help! Thank you!
Wednesday, September 14, 2011 by saranghae12

math
Polk Elementary School has three classes for each grade level,kindergarten through fifth grade.If there is an average of 27 students per classroom,about how many students attend Polk Elementary School?
Wednesday, September 14, 2011 by felix

Math Block Problem
A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
Tuesday, September 13, 2011 by Anonymous

MATH
A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
Tuesday, September 13, 2011 by Anonymous

5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 by amber

5th grade math
what are the divisidles rules
Tuesday, September 13, 2011 by amber

MATH Word Problem
A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
Tuesday, September 13, 2011 by Anonymous

Math Help
A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
Tuesday, September 13, 2011 by Anonymous

Arithmetic Sequence
A child organizes animal blocks in rows on the ground. There are 64 animal blocks in the 5th row & 92 of those blocks in the 9th and last row. Suppose that the number of animal blocks frm row to row form an arithmetic sequence. The number of animal blocks in the first row is...
Monday, September 12, 2011 by Anonymous

third grade math
Does (4+5) + 2 = 9+2? Explain
Monday, September 12, 2011 by Alex

6th grade
interview some from 9/11
Sunday, September 11, 2011 by jonathan

6th grade
describe yourself mathamatically
Sunday, September 11, 2011 by jonathan

6th grade math
60x60x24x365x186000=???
Thursday, September 8, 2011 by kade

math 5th grade
What are the multiplication combinations for 180?
Monday, September 5, 2011 by andy

math
i dot know how to do dividing apart and im in 5th grade
Tuesday, August 30, 2011 by lacie

5TH grade math
estimate each sum or differnce. 7.4 + 3.1+ 9.8 How do I do this?
Thursday, August 25, 2011 by Alyssa

6th grade math
2 2/3 \ 1 5/6
Thursday, August 18, 2011 by Aaron

Math grade 12
make F(x)=3/x-11 vertical asymptote
Saturday, August 13, 2011 by F(x)=3/x-11 vertical

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 ...
Wednesday, July 20, 2011 by Jen

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

Math-Please help :(
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 by Jen

stats
Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. - Find the equation for...
Thursday, July 14, 2011 by Celest

Math
(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...
Thursday, July 14, 2011 by Jen

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