# Homework Help: 9th Grade

**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 by Sammie*

**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 by Bree*

**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 by Sarah*

**8th grade**

im in advanced math so i do 8th grade math and i don't understand how too gragh the fractions in equations like y=2/3x+1

*Sunday, November 29, 2009 by jazmine*

**Science**

I am in 6th grade and doing very well so i am not stupid or anything but i don't 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 by Ella*

**3rd grade**

3rd grade Explain how to add with carrying give example

*Wednesday, November 4, 2009 by Jesse James*

**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 by arianna*

**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<85) Output "your grade is"...

*Friday, October 23, 2009 by steve*

**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 by Deanna*

**Math**

In a class 85% of the student received the highest grade in English Literature, 80% in Math, 75% in History, and 30% in Chemistry. About what percentage of the students could you say for sure that they received the highest grade in all 4 subjects?

*Thursday, October 15, 2009 by Kim*

**algebra**

from a base elevation of 6800 ft, a mountain peak rises to a summit elevation of 14478ft over a horizontal distance of 15845 ft. find the grade of peak. the grade of the peak is ___ %

*Wednesday, October 7, 2009 by Kathy*

**6th grade Reading**

Worksheet for An Ant's Life and The Best School Year Ever Vocabulary im in 6th grade

*Wednesday, October 7, 2009 by Please Help Me I'm 11*

**3rd grade**

what does property mean in 3 rd grade math example 4+8= 12 find the property

*Tuesday, October 6, 2009 by shemar*

**math**

I think I must be asking my question wrong, but what is my number grade if I missed 36 out of 85 questions. For example if I missed 1 out of 10 I know my grade would be a 90.

*Wednesday, September 23, 2009 by Mattie*

**9th grade**

Exercises In Coherence? Coherence- Type of Arrangement (Time, Physical Order, Order of Importance, Similar Ideas, Different Ideas, Conclusion) 1. story about a haunted house kind of order:? reason 1- ? 2- ? 2. a description of the haunted house kind of order:? reason 1- ? 2...

*Monday, September 21, 2009 by Terryil*

**Algebra 1 Please bobpursley again**

Thanks to everyone for trying to help me. This is not really a question but an answer to what grade level this promblem is for my son is in ninth grade. Thank You all again

*Saturday, September 12, 2009 by Mary*

**5th grade**

Will someone tell me a webpage my daughter can get help on solving equations, word problems w/ algebraic chains...or for 5th grade math. Thank you

*Thursday, September 10, 2009 by margaret*

**English**

1. He is upset because she got a very good grade. 2. He is upset because she got very good grade. (Do we have to use 'a' before 'very good grade' or not?)

*Monday, September 7, 2009 by John*

**9th grape english honors**

in the book a lesson before dying how does gains use biblical allusion to develope jeffersons character

*Saturday, August 22, 2009 by mason brown*

**Math**

How would the information about grade and frequency change if there were twice as many of each grade? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think that the grades would double if there was twice as many. Thanks.

*Wednesday, July 29, 2009 by B.B.*

**9th. algebra**

how can I figure out the formula. example. I need to transform the following equation y = x2 + 4 - 8 into vertex form and then I need to state the coordinates of the vertex of the parabola. I forgot how to arrive at the answer

*Friday, May 29, 2009 by sc*

**10th grade**

what classes should i take in 10th grade?

*Wednesday, May 27, 2009 by katlyn*

**Quick math question**

Can anyone give me a link to a free online algebra test for 9th graders. I have a test on Monday based on algebra to see if I can move on to Geometery and I need a test to see if I'm ready. Thanks

*Friday, April 24, 2009 by Katie*

**Business Communication**

A student who has poor grades should: a) omit the grade poing average from the resume b) round off the grade point average rather than giving the precise figure c) explain the reason(s) for getting poor grades on the resume d) lie about the grade average I know (c) and (d) are...

*Monday, April 20, 2009 by Anonymous*

**6th grade vocab**

What does the word "predominant" mean? Oh and please don't give me a website with some big def. I am in 6th grade so I won't understand if the def. is big and long. It also helps if you use it in a sentence . . . just saying. :-D Thanks so much!

*Monday, April 13, 2009 by Noelle*

**3rd grade**

in the book " how to be cool in the third grade. Do you think Robbie was cool and why

*Monday, March 30, 2009 by carmen*

**For my son (maybe considered homework...)**

Do you have a good link to where my son can print out fun activities for kindergarten, and 1st grade. He's in kindergarten but I want to see what he can do with 1st grade since he's really smart. Thanks.

*Saturday, March 28, 2009 by Cassie S.*

**math (grade 11 operations with radicals)**

Simplify sqrt12 + sqrt18 - sqrt27 + sqrt 50 thnx a lot any help is greatly appriceted.... these are grade 11 radical expressions and the answer for this is : - -sqrt3 + 8sqrt2

*Friday, March 27, 2009 by gagan*

**6th grade**

Do you have online readings and questions for my son, who is in 6th grade? I see lesson plans, but I don't see the information to give out. Please let me know about this, thank you.

*Thursday, March 19, 2009 by rachel*

**Math/Standard and scientific notation**

Express each measure in standard form. (One more thing by the way you need this few prefixes) Tera= 10 to the 12th power Giga= 10 to the 9th power Mega= 10 to the 6th power Kilo= 10 to the 3rd power Pico= 10 to the -12th power Nano= 10 to the -9th power Micro= 10 to the -6th ...

*Wednesday, February 25, 2009 by Sandy*

**First grade social studies**

my son is in first grade and has to do a project as the curator for the american symbols. I am looking for a reputable website and having difficulty sorting out which ones to use. Can anyone help?

*Tuesday, February 17, 2009 by noemi*

**Social studies needs your help!!**

I am in a very tight situation. I am a grade 4 social studies teacher. In my classroom, I have students of mixed ability. Some students are above grade level, some on grade level and some below grade level. The bulk of students is below grade level. What activities or ...

*Wednesday, February 11, 2009 by Maria*

**Pre-Calculus**

A road sign at the top of a mountain indicates that for the next 4 miles the grade is 12%. Find the angle of the grade and the change in elevation for a car descending the mountain.

*Thursday, February 5, 2009 by Henry*

**math**

i was trying to calculate wut grade i got if the avg on a midterm was 47.76 and the mean was 10.19 i got 37 wut grade did i get?

*Thursday, February 5, 2009 by rita*

**math**

there is a graph, and the title is Students who dress up for spirit week.60 grade 7 boys did,70 grade 7 girls did,70 grade 8 boys did, and 80 gr 8 girls did. the question is what this graph is showing. I put the graph is showing how many gr 7 boys dressed up for spirit week, ...

*Saturday, January 31, 2009 by beeca*

**math**

Three students from grades 10,11 and 12 were elected to the student council. Grade 10: Tom(T), Sally(s) and Bill(B) Grade 11: Jerry(J),Anne(A)and Connie(C) Grade 12: Dan(D), Martha(M) and Gwen(G) A three member committee is to be formed with one person from each grade. All ...

*Friday, January 30, 2009 by Katie*

**Poetry (9th grade)**

This is a poem by Alice Walker and a question at the end but I can't figure out the question. Poem title: "Good Night, Willie Lee, I'll see you in the morning." Looking down into my father's dead face for the last time my mother said without tears, without smiles without ...

*Thursday, January 22, 2009 by Josh*

**Chemistry**

Given that the world's oceans comtain 1.35 x 10(to the 9th power)km³ of water, determine the mass in grams. Show how to obtain conversion factors from km³ to m³, report value in proper scientific notation using the correct number of significant figures.

*Thursday, January 22, 2009 by Yasmin*

**7th grade math**

indicate the measure and the measure unit. 1. there are four windows in the room each 36 inches wide. 2. luisa received a gift of $100 from a relative when she graduated from 8th grade.

*Wednesday, January 7, 2009 by cornelia*

**3rd grade**

my son is in the third grade. how do you figure out the mass

*Tuesday, December 9, 2008 by Toni*

**Persuasive writing....**

I will be teaching my grade 5 students a lesson on persuasive writing. Do you know where I could find some sample persuasive essays to show them, especially ones that are on fifth grade level. Thanks for your help

*Friday, December 5, 2008 by Rena*

**AED**

What skills will you teach and how will you teach them in mathematics. need 200 words and all I have so far is: I can teach this concept to students in a lower elementary grade and to students in a middle school grade by

*Friday, November 21, 2008 by troyer0269*

**AED**

describing how you can teach this concept to students in a lower elementary grade and to students in a middle school grade.

*Monday, November 17, 2008 by troyer0269*

**9th grade**

Please answer the following questions in brief paragraph form. Use complete sentences with proper spelling, punctuation, and grammar. Place your answers in the box below and then click the Submit button at the bottom of the page. 1. What are instances in your own experience ...

*Monday, November 10, 2008 by Jasmine*

**5th Grade student teacher: Needs ur help....**

What fun activity could I use to to teach 5th grade students about the Constitution?

*Thursday, November 6, 2008 by Samantha*

**7th grade**

can you just give me a math riddle that's understandable to 7 th grade

*Monday, October 27, 2008 by whatever*

**Algebra**

Well someone please help me with this problem!!!!!!!!!!!! From a base elevation of 8200ft. a mountain peak in colorado rises to a summit elevation of 14701ft.over a horizontal distance of 15838 ft. Find the grade of the peak. The grade of the peak is what percent? (Round to ...

*Saturday, October 25, 2008 by PJ*

**education class**

What would a good teaching strategy be for language arts in a grade 1 classroom and a grade 8 classroom?

*Sunday, September 28, 2008 by jenny*

**grade 8 math**

At the annual Grade 8 ski trip, for every 2 students who skied, 3 snowboarded. Ninety-six students snowboarded. How many students skied? Show your work. Can someone help???

*Sunday, September 28, 2008 by Carly*

**language arts**

I have to put together and present a strategy that is effective in the teaching of language arts at a specific grade level. What would a good idea be for around the grade 2 level? and why is it important?

*Saturday, September 27, 2008 by samantha*

**Algebra**

A brick is dropped from the Empire State Building at a height of 324 meters. If you neglect any type of air resistance, what is the distance in meters that the ball falls during the interval between the 8th and 9th second?

*Sunday, September 21, 2008 by Mary*

**trig**

in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks in advance

*Monday, September 8, 2008 by jerson*

**trig.**

in an algebra class of 21 students the mean grade on a test was 87; in another class with 32 students the mean grade was 81. What is the combined mean of the two classed? my teacher said it's 21 * 87 + 32 * 81/53= 83.4 but i'm not sure where the 53 came from.. thanks in advance

*Monday, September 8, 2008 by jerson*

**reading 4th grade**

looking for someone to tell me where I can find anything on "Tales of a Fourth Grade Nothing"

*Monday, August 11, 2008 by LaNoria*

**5th grade expectations**

my son is going to the fifth grade. What do I need to do to make sure he is ready?

*Friday, July 18, 2008 by lucretia*

**English-Satire**

Yesterday I was the photographer for a small court house wedding. As I was waiting for the couple to finish the necessary paperwork for a legal marriage, I couldn’t help but overhear the daughter of the bride, a 9th grade student, complaining about living at home—wishing ...

*Saturday, June 21, 2008 by Adams*

**Problem Solving**

Lindsey has 75% as her final grade, but after she writes her exam she gets 85%. If her exam is worth 7.5%, what is her final grade.

*Saturday, June 14, 2008 by Carrie*

**Part 1**

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 < 85) output "your...

*Wednesday, June 11, 2008 by Anonymous*

**Part 1**

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 < 85) output "your grade is" X output "you did well" else if (85 <= X and X < 100) output "your grade is" X...

*Wednesday, June 11, 2008 by Anonymous*

**6th Grade Math**

I really don't know what to do on this question. If someone could start me off I could probably get the answer. Remember I am in 6th grade. Dani has a sack of 50 pens. Of these, 10 are black, 15 are blue, and the rest are red. If she grabs a handful of 5 pens, how many would ...

*Monday, April 21, 2008 by Missy*

**geometrey**

The grade of a road is 7%. What angle does the road make with the horizontal? I'm confused!! What is the grade of a road? Thanks for the help!

*Monday, March 10, 2008 by anna*

**science: help**

i need to do a science fair project. i am in 7th grade and my teacher said that it can't be something a 6th grade or younger could do. i wanted to do something with kinetic energy. like maybe drop an egg from different heights and measure its k.e. any suggestions?

*Friday, March 7, 2008 by Brooke*

**MATH-PERCENTILES**

I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55 ? SCIENCE-30 ? I WAS...

*Saturday, February 9, 2008 by TORI*

**English**

I need some recommendations for a challenging book for an voracious reader who can read advanced books and understand them. Somewhere of a reading level of 8th,9th or 10th.

*Tuesday, October 23, 2007 by Anonymous*

**algebra 2**

Find the constant term or the term independent of x in the expansion of (3x – 5/x to the 2nd power )and to the 9th power

*Wednesday, October 10, 2007 by Spenser*

**algebra**

Sam must have an average of 70 or more in his summer course to obtain a grade of C. His firs three test grades were 75,63, and 68. Write an inequality representing the score that Sam must get on the last test to get a C grade.

*Wednesday, October 10, 2007 by seano*

**math**

An instructor counts homework as 1/3 of the student's grade and the final exam to be 2/3 of the student's final grade. Going into the final exam a student has a homework grade of 48%. What range of scores on the final exam would put the student's final average between 70% and...

*Sunday, September 30, 2007 by Jessica*

**English?**

I'm trying to do research on whether 9th graders should/should not be in Middle school with 7-8th graders. Does anyone know of any studies that would support either side? Or any leads I could perhaps follow to write the paper easier?

*Sunday, September 9, 2007 by Stacey*

**random**

I dunno. Why don't u wait 4 a teacher 2 answer that? I guess any grade that can type and ask Qs. :p any grade.

*Monday, May 7, 2007 by Lily*

**math**

Ted must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63,and 68. Write an inequality representing the score that Ted must get on the last test to get a C grade. Let X be the grade on the next test. The average ...

*Monday, March 19, 2007 by cheryl*

**Math**

Are you trying to solve for x, n or p? solve for n Show me how to work this problem. 2n = 4xp - 6 what is the problem? what grade r u in i am in 6 grade To get n all by itself, you need to divide by 2. But if you divide by 2 on the left, you have to divide by 2 on the right...

*Wednesday, March 14, 2007 by drwls*

**math**

what is the difference between translation , rotation, relections, and dilation in 8 grade work In 8th grade talk, I recommend you check the examples in your book. OR, if you put your definitions here, I can critique them.

*Sunday, January 28, 2007 by jose*

**English 9th Grade**

HELP!!! Need to write a 2 page paper on Shakespeare using dramatic foil. Please let me know what that means. I will be contrasting 2 characters in Romeo and Juliet. Thank you so much. http://www.tnellen.com/cybereng/lit_terms/terms/2terms.html#Foil Here is an excellent ...

*Thursday, October 26, 2006 by Lupe*

**Math**

Homework grades are 5% of the overall grade. Lab work is 15% of the overall grade. Tests are 60% of the overall grade. The Final is 20% of the overall grade. Could a student that has a 75 homework average, 80 lab average, 40 test average, and 50 on the final pass the course? ...

*Tuesday, September 19, 2006 by Veronica*

**math connexus 8th grade**

Hey I have a MCAS test coming up next month and I want to know everything I learned this year on math. I know that some people may not go to my school so just tell me things people learn in 8th grade so that I can study for the test.

*Tuesday, March 28, 2017 by connexus student*

**Social Studies 6th grade**

What is a modern form of paper.

*Wednesday, March 8, 2017 by Dan*

**4 th grade social studies**

What were huge steam engines called?

*Tuesday, March 7, 2017 by Ashley*

**Algebra**

A clock's minute hand moves 60 grade in 10 minutes and 180 grade in 30 minutes low far does it move from 11:00 to 11:40? What is the problem asking you to find? The measure of the angle on a clock from What do you need to know to solve the problem? What is the measure of the ...

*Friday, March 3, 2017 by Marina*

**statistics and probability**

n a written test given to a large class comprising 42 students, the test scores were found to be normally distributed with a mean of 78 and a standard deviation of 7. A minimum score of 60 was needed to pass the test. A score of 90 or greater was needed to earn an A in the ...

*Tuesday, February 14, 2017 by faye*

**math**

in an arithmetic sequence 17th term is 9 times the first three terms and the 9th term is 6 less than 3 times the 1st term. Find the first three terms

*Friday, February 3, 2017 by jessica*

**Math Unit Geometry Test 8th Grade**

Does anybody know the answers for the geometry unit test, 8th grade ?

*Tuesday, January 31, 2017 by The idiot*

**accounting**

Which college or university could I go after grade 12

*Sunday, January 15, 2017 by Ndlandla*

**MATH (7th Grade)**

-2.4/5 1/3 -2.4/5.333 =-0.45?????

*Thursday, January 12, 2017 by marilyn*

**Math (6th grade)**

How do I find the answer to 234 divided by 89 + 53 x 72

*Wednesday, January 11, 2017 by Sally*

**all**

For highschool what percentages correspond with grade letters. like is a 91% an A, A-, or A+

*Monday, January 9, 2017 by Anonymous*

**Math**

At one afterschool event, of the students were 8th graders and the rest were 7th graders. Of the students who were in 7th grade, the ratio of boys to girls was 3:5. What percent of all the students at the afterschool event were boys who are in the 7th grade? Help plz

*Sunday, January 8, 2017 by Anonymous*

**Math**

A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boysin the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls?

*Monday, December 12, 2016 by Tay*

**Math**

A science class has 3 girls and 7 boys in the seventh grade and 5 girls and 5 boysin the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls?

*Monday, December 12, 2016 by Gia*

**Chemistry**

I am using 85% ACS grade phosphoric acid. I need to make a 21% phosphoric acid solution with a total volume of 250ml. I have been told that 37ml of the 85% ACS grade phosphoric acid plus 188ml of Deionized water will create the 21% phosphoric acid solution I need to make. I'm ...

*Friday, December 9, 2016 by Melissa*

**math algebra**

At a college, records show that the average persons grade point average, G, is a function of the number of hours he or she studies and does homework per week h. The grade point average can be estimated by the equation : G=0.01h^2 +0.2h+1.2 To obtain a 3.2 GPA how many hours ...

*Wednesday, December 7, 2016 by tom*

**fourth grade math**

What is 271÷7 with a remainder?

*Monday, December 5, 2016 by Anonymous (no name pl*

**MATH**

Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3 students own 3 pets each, and 2 students own 4 pets each. Eight of the students in the grade own 1 pet. Considering the number of pets as the random ...

*Friday, December 2, 2016 by Anonymous*

**Math**

The weights of all one hundred (100) 9th graders at a school are measured, and it is found that the mean of all the measurements is 100 lbs., with a standard deviation of 15 lbs. Explain how you would use this information to determine the percentage of students who weighed...

*Thursday, December 1, 2016 by Shannon*

**7th grade Pre- Algebra**

R/5 - 6 = -1 I know the answer is 25, but can you show me the steps. Thank you.

*Saturday, November 26, 2016 by PLEASE HELP!!!*

**Math**

Ricky took a survey in the fifth grade and found that 2/3 of the students ride the bus to school and 1/4 of the students walk. What fraction of the fifth grade students either ride the bus or walk to school?

*Monday, November 21, 2016 by Mark*

**Math**

Plz help me what dose underestimate mean ps in 5th grade

*Wednesday, November 9, 2016 by Essence Forbes*

**EASY MATH FOR 4TH GRADE**

HOW DO YOU MULTIPLY 3,333 and 5?

*Sunday, October 23, 2016 by Anonymous kid (no name pl*

**Math**

I need help with homework 2-10 fifth grade

*Wednesday, October 19, 2016 by Emma*

**Math( 7th grade advanced math so 8th grade math)**

Salvador bought 3 pounds of oranges that cost x cents per pound, a cucumber for 59 cents, and 2 bananas for 35 cents. Write an expression in simplest form that represents the amount spent. I don't understand how you would write that into an equation. I don't think I should be ...

*Sunday, October 16, 2016 by Jacobe*

**Math( 7th grade advanced math so 8th grade math)**

Bacterial populations can grow to enormous numbers in a matter of a few hours with the right conditions. If a bacterial colony doubles size every 15 minutes, how many bacteria will be present after 1 hour if the colony began with 4 bacteria?

*Sunday, October 16, 2016 by Jacobe*