9th Grade Classes
I was reading my school district program of studies and I found this section in for high school coures. - English 9H - Integrated Algebra A - Earth Science - Global History and Geography I or H - French Beg. 1 - Orchestra (a days)/ Health (b days) - Studio Art I - African ...
Sunday, December 18, 2011 at 5:36pm
Math 9th grade
2 angles have measures x and y. The sum of the measures of the angles is 180. Write a formula to express this relationship and solve the formula for y.
Sunday, December 18, 2011 at 2:22pm
9th grade Biology
4. After the temperature reaches 33 degrees Celcius, the rate of photosynthesis declines. Using knowledge of enzymes, explain why this happens. 6. As the amound of CO2 increases, what would happen to the rate of photosynthesis? And as the amount of CO2 increases, would the ...
Thursday, October 27, 2011 at 7:04pm
Please do not post any more insurance questions in this forum. I don't believe they are 9th grade questions. They look more like ads for insurance. If you post any more you'll be banned from posting on this board.
Saturday, October 22, 2011 at 11:09pm
a rectangular pen is to be constructed alongside a barn using 120 feet of fencing. the barn will be used for one side of the pen. What should the dimensions of the pen be to maximize its area. ***Can not use calculus. This is a 9th grade question
Wednesday, September 28, 2011 at 3:42pm
9th grade integrated algebra
a tree casts a 25 foot shadow on a sunny day if the angle of elevation from the tip of the shadow to the top of the tree 32 degrees, what is the height of the tree to the nearest thenth of a foot?
Sunday, May 22, 2011 at 6:17pm
Spanish -9th grade-Please check and advise
I need to write about my geometry class and what I do in the class. I need to use "la tarea" in the sentence. I'm not sure if I could use this to describe the calculations I do. I'm confused how to even conjugate or use this. Would it start with "Hago la...
Monday, May 16, 2011 at 11:23am
9th grade polynomials
How do you write the expression for the area of the rectangle If the length of a rectangle is two more than three times it's width,then write an expression for area of the rectangle Find the perimeter of the rectangle in problem 1.
Thursday, February 17, 2011 at 5:04pm
9th grade Math
In the multiplication problem A S __x__A____ M A N each letter represents a different one of the ten digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Which one of the ten digits does A represent?
Saturday, January 22, 2011 at 3:51pm
Math 1 9th grade
A bag contains 3 green marbles and 6 blue marbles. What is the probability of drawing a blue marble, then another blue marble, then a green marble, replacing the marble after each draw?
Thursday, January 20, 2011 at 7:35pm
9th grade chem
Using the following equation Ca(s) + 2C(s) --> CaC2(s) ^ H = -62.8 kJ CO2(g) --> C(s) + O2(g) ^ H = 393.5 kJ CaCO3(s) + CO2 (g) --> CaC2(s) + 2 1/2O2(g) ^ H = 1538 kJ Determine the heat of the reaction (in kJ) for: Ca(s) + C(s) + 3/2O2(g) --> CaCO3(s)
Friday, December 17, 2010 at 9:41am
9th grade geography
What are some negative facts for the Montane Cordillera. Also I am looking for some positive and negative facts for the Prairie Ecozone and Mixed Wood Plain ecozone. Need help please thank you!
Saturday, November 27, 2010 at 3:43pm
9th grade Science
the longest distance in a field and track event is the 10km run. the record holder for the women's 10km run is Wang Junxia of china. Assuming that she ran a distance of 10.0 km with an average f 5.644 m/s, what was her time?
Tuesday, November 16, 2010 at 8:01pm
9th grade algebra
A campsite charges 8$ per day, for the site rental and 4$ for parking. The total campsite charge C( in dollars) is given by C=8d+4 where d is the number of days that the site is rented. complete the table and graph the equation. *Table: D= 0 1 23 C(d)= BLANK How could I fill ...
Tuesday, November 16, 2010 at 4:17pm
9th grade algebra math hw, help?(:
The table below shows the cost of renting a bike for a given amount of time, find the rate of change in cost with respect to time. Table: Time: 1.75, 4, 7. Cost( Dollars)4.375, 10, 17.5 Could one of the tutors please explain to me how to this? Thanks :) -Allyson
Tuesday, November 16, 2010 at 3:15pm
9th grade algrebra
Question 21 (Essay Worth 8 points) [2.08] The formula for degrees Celsius is: C = 9 over 5 (F − 32), where F stands for degrees Fahrenheit. Part 1: Solve the formula for F. Show all steps. Part 2: Determine how many degrees Fahrenheit 2 degrees Celsius is.
Monday, November 15, 2010 at 1:51pm
A bowler rolls a 5 kg bowling ball down a magical frictionless bowling alley. The ball accelerates at an average rate of 2 m/s^2. How much force did the bowler apply to the ball?
Wednesday, November 3, 2010 at 7:16pm
9th grade Deductive Reasoning Math
Given: Angle A and Angle C are complementary to Angle B. Conclusion: Angle is congruent to Angle C. Determine whether each conclusion is valid based on the true conditional given. If not, write invalid. Explain your reasoning.
Monday, October 11, 2010 at 7:58pm
Name the set(s) of numbers to which 1.68 belongs. a. rational numbers b. natural numbers, whole numbers, integers, rational numbers c. rational numbers, irrational numbers d. none of the above my answer a)rational numbers
Monday, September 20, 2010 at 2:53pm
Mathmatics.. 9th grade
Your family is driving 188 miles to visit a family member, your father drives 63 miles then stops for a break, a) How many more miles are left in the trip, B) How long will the remainder of the trip take? *It says to label a variable, write an equation and solve for part b. ...
Wednesday, September 15, 2010 at 5:18pm
9th grade Algebra
the population of Concord in 1980 was 400 greater than half the population Euclid. The sum of the two populations was 29,600 less than twice the population of Euclid. What was the population of each city in 1980?
Tuesday, September 7, 2010 at 6:17pm
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54 hours last month and made $388 before deductions. How many hours did he work at his new job?
Sunday, May 23, 2010 at 7:47pm
bryan berg built an 83-story house of cards in 1995. he used 27,000 playing cards to accomplish this feat. at this same rate, about how many cards would it take to build a 100-story house of cards?
Monday, May 17, 2010 at 4:18pm
I am trying to understand and I hope you can help me. I just want some more explaintion about the great depression. Why do people call it a leveler? I heard some kids over at the table next to me at lunch today. Like I said I just want to know. I am studing about presidents ...
Tuesday, May 4, 2010 at 6:08pm
9th grade - Civics
When was the last time Washington D.C.'s Electoral College votes went to a candidate form the Republican Party? How many Electoral College votes do they have?
Wednesday, April 28, 2010 at 7:26pm
9th Grade Social Studies
Had the world gone along with Wilsons plan to remove economic barriers between nations, what kind of place would the world be? Would it be better? Worse? How would you answer this question?
Friday, April 23, 2010 at 7:18pm
9th grade Algebra 1
Van Goghs painting Starry Night measures 92 cm long by 73 cm high. You buy a poster that shows an enlargement of the painting. The poster measures 120 cm long by 100 cm high. Is the poster an accurate representation of the painting? (Hint: Is the poster similar to the ...
Tuesday, April 13, 2010 at 9:24pm
given that a(-1,8) ,b(2,4) and if the line y=4 is the axis of symmetry of triangle abc find c.show that triangle abc is an isosceles triangle,calculate the area of triangle abc,calculate the perpendicular distance from a to bc
Tuesday, March 23, 2010 at 8:35am
it cost $2 per day to place a one-line ad in the classifieds plus a flat service fee. one day cost $3 and four days cost $9. write a linear equation that gives the cost in dollers, y, in terms of the nunber iof days,x. find the cost of a six-day ad.
Sunday, March 7, 2010 at 2:15pm
9th grade SCIENCE
I have to list 5 different organic compounds; list different types for each; name; structure; properties; and uses. I am a bit confused as to what an organic compound actually is. I know it must contain a carbon, but would vegetables or household foods be considered organic ...
Friday, February 26, 2010 at 3:56pm
Math - average grade
Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade? This is NOT my homework...
Wednesday, February 17, 2010 at 10:32am
9th Grade Math
The money collected at a school basketball game was 2,265 from 543 paid admissions. If adult tickets sold at $5.00 each and student tickets sold for $3.50 each, how many tickets of each kind were sold?
Friday, February 12, 2010 at 9:38pm
9th grade science
1)write the fomulas for the following compound: Magnesium hydroxide. 2)Write the names of the compound: Ba(ClO3)2 *the numbers are the subscripts* I really don't understand how to do those two, I did the rest of them. I could really use the help. THANKS!!
Monday, January 4, 2010 at 5:19pm
9th grade Geography
Which of the following statements about manufacturing in the region is NOT true? a. About 50 percent of the regions GDP comes from manufacturing. b. Demand for manufactured goods has increased. c. Workers produce textiles, paper goods, and cement. d. Locally produced ...
Tuesday, November 24, 2009 at 9:48pm
At noon a private plane left Austin for Los Angeles, 2100 km away, flying at 500km/h. One hour later a jet left Los Angeles for Austin at 700 km/h. At what time did they pass each other?
Monday, November 16, 2009 at 7:20am
9th grade Math
(7n-1)/(8)=6 Okay, I think I add 1 to both sides, so now I have.. (7n)/(8)=7 And then, to get n by itself I divide 7 into both sides, so now I have.. n/8=1 n=1 is what I get, but I'm not sure, could someone please check this for me?
Monday, November 2, 2009 at 7:46pm
9th grade (math)
pennies are kept in a jar the mass of the jar is 20 g the mass of each panny is 5g le t the varible p represent the total mass of pennis and the jar. let the variable n represent the number og pennys. 1a. write an equation that represent the relation ship between mass p and n ...
Saturday, October 17, 2009 at 12:05pm
9th grade (math)
the surface of our earth is 20'c for every km, k below the surface the tempature increses by 10'c. let t represent the tempature in 'c 1a write an equation that represent the relationship between disatnce k and t tempature 1b. what is the slope and and y-intercept
Saturday, October 17, 2009 at 12:05pm
i need help finding what these words are from these clues: possible opening found in the cell membrane substance which makes up cell walls granular material in the nucleus that thickens to become chromosomes the endoplasmic reticulum is a network of.... structures responsible ...
Tuesday, September 15, 2009 at 8:52pm
9th grade classes
OK, here's a list of the subjects I think I want to take: English 1 Refresher Math Life Science, Biology, or Environmental Science...not sure which one would be the best?? I want to take Sociology for Social Sciences Health And Fine Arts is mandatory Sound OK? Thanks -MC
Tuesday, May 26, 2009 at 1:58pm
9th grade science
Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable.
Tuesday, April 28, 2009 at 6:38pm
* I have a project to do for William Shakespeare, Were i have to make some sort of amusement park and i need help thinking of what rides i should put in my amusement park but those rides have to relate to Shakespeare in someway. Plz Help!
Wednesday, April 22, 2009 at 10:45pm
9th grade algebra
drwls here is another one of those questions like the last one we submitted if this will help with what they are after. 200 dollars/1 ton x 100 cents/1 dollar x 1 ton/2000 pounds x 1 pound/16 ounces could you please show me how you come up with the answer? I am not sure how ...
Thursday, April 9, 2009 at 1:07am
9th grade algebra
I've never seen a problem like this, please help. I think we have the number part right but what would the unit be once the math is done? Please show me how you came up with the answer so I will know for next time. 30 miles/1 ton x 5280 feet/1 mile x 1 hour/60 minutes x 1 ...
Thursday, April 9, 2009 at 12:48am
Health 9th grade
A mother breastfeeding her baby is an example of A. active acquired immunity. B. passive natural immunity. C. passive acquired immunity. D. active natural immunity. C is my answer ,but i'm not sure
Wednesday, March 25, 2009 at 3:15pm
9th Grade Math
For my hw i have to graph the following equations 1) x - 3y -5 = 0 and 2x = 1 - 3y 2) y - 3x =5 and 3x = 7 + y 3) x = 3y and x +2 = 11 4) y = 2/5x + 1 and x + 2y +11 After done graphing the equations i have to state if there are zero, one, or many solutions. I have already ...
Monday, March 16, 2009 at 6:26pm
9th grade lit poem
I need assistance I was on here before with this poem but not with the same name (Lemon Pie). The poem is making a fist by Namomi Shihab Nye. I don't understand it. Could someone try to make me understand it I would appreciate it thanks for you time LP
Tuesday, February 17, 2009 at 4:40pm
Which sentence contains an adverbial clause? 1.We placed our blanket under a tall shade tree at the park 2.Before we could eat our picnic lunch, some ants needed to be uninvited. 3. We decided to distract them with an open bottle of suntan lotion placed strategically in the ...
Monday, February 9, 2009 at 2:08pm
9th grade HEALTH
MY QUESTION IS ABOUT HEALTH... I HAVE A MIDTERM DUE MONDAY 01/26/2009.. AND I REALLY DONT KNOW HOW TO START IT I HAVE TO USE I,ME,MY STATEMENT ONLY... HOW CAN I START MY MIDTERM??..PLEASE HELP!!??
Saturday, January 24, 2009 at 2:46pm
9th grade chemistry
if you have 55.6 grams of nitrate ions in a compound that consists of nitrate ions and plumbous ions, how many grams of the compound do you have? how do i do this problem im completely stuck!?
Wednesday, December 10, 2008 at 6:32pm
i am in 9th grade biology and i am REALLY confused about the difference between controll variable, responding variable, manipulated variable and controll group. any help would be great. i have a test TOMORROW!!!!
Wednesday, December 3, 2008 at 4:27pm
for my physical science class were supposed to name ionic compounds and change the name into a formuala but i dont understand how to do it my teacher didnt explain it fully. Ex:Na2CO3= Sodium Carbonate Sodium phosphide=Na3+P-3
Tuesday, December 2, 2008 at 9:19pm
two men worked 8 hours each and they built 32 frames for sheds. what is the productivity or output per hour add ______ hours hours+_____ hours here ______ hours
Monday, November 17, 2008 at 8:46pm
i have to write a book and i am in 9th grade and it has to be able to follow the Hero's journey from the odessey but idk how to write a book can somebody give me a step by step guide that is really specific and helpful PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Sunday, November 2, 2008 at 2:39pm
9th grade biology honors
What would happen if you placed a grape in a bowl with highly concentrated sugar water? and also i need help with this question: "Talking about osmosis, what would happen to a jellyfish placed in a freshwater lake?
Thursday, October 16, 2008 at 6:52pm
well im troubled with a prompt, it is... explain how the path your life would take be diffrent if school ended at 9th grade... well im just looking for a few ideas that could basically involve anyone. the only few things i could come up with are - moar school - getting job ...
Thursday, October 2, 2008 at 7:34pm
This question is from a textbook THE AMERICANS. 1.What geographical feature determined the western boundaries of the Southern and Middle colonies? 2. How did the New englnad and Middle colonies economies differ in general from the economy of the South? What may accounted for ...
Wednesday, October 1, 2008 at 9:59am
Hi, am trying to find out if my son did a collage right ? It is due tommorrow- it is a who i am collage which is suppose to show pictures of his personality that people know about him and things people do not know about him?
Monday, September 29, 2008 at 6:46pm
9th grade english
diagramming the sentence LATE IN THE EVENING ROBERT CAME LATE TO DINNER RIDING ON JOHN'S HORSE AND WE GAVE HIM HAM AND SOME BOILED BEANS THANK YOU BUT WHAT IS RIDING ON JOHN'S HORSE?
Thursday, September 25, 2008 at 11:23pm
9th grade algebra
I don't know how to get answer for problem The larger of two numbers is 20 more than the smaller. Four times the larger is 70 more than 5 times the smaller. find the numbers
Wednesday, September 10, 2008 at 8:53pm
A biologist gives a new kind of food to a group of dogs and compares the weight gain of these dogs over time to a group of similar dogs that did not recieve the new food. Identify the experimental variables and dependent variables
Sunday, September 7, 2008 at 7:12pm
9th grade algebra
i'm trying to find someone tht knows what a diamond problem in algebra is. it is a diamond shape divided into 4 equal parts in the example it has an xy at the top an x on the left and a y on the right and x+y on the bottom. then on problem #1 it has a 15 at hte top an 8 at...
Tuesday, September 2, 2008 at 7:53pm
In Simplifying 7 to the 11th power and 7 to the 9th power, Alexis decides to use her calculator to find 7 to the 11th power and 7 to the 9th power indiviually before dividing. Show how Alexis could use the laws of exponents to arrive at the answer more easily.
Monday, January 28, 2008 at 8:26pm
Hey....I need help with my homework. I'm in 9th grade, high school. Its pyhsical science about Atomic Math.. Heres the question: Multiply the atomic number of hydrogen by the number of electrons in mercury, which has an atomic number of 80.
Thursday, December 6, 2007 at 8:47pm
Spanish 1B - I am an honor student but with spanish for me I can memorize for the tests but I am not really undestanding it. I am great in science and math - and i got an A barely in spanish but it gets harder. The hardest part for me is that every other class comes easy. I ...
Tuesday, October 23, 2007 at 12:50pm
Im not really sure what topic to make a presentation on can you give me wome ideas please? well can you tell me what class this is for, subject and grade level Computer Apps., we can do it on anything we want, 9th okay i would say do it on the controverseal subject on breast ...
Thursday, May 3, 2007 at 9:52am
it says solve for all real solutions, compute inverse functions to 4 sigfigs. cos^2x=3-5cosx Devon, what grade level are these questions from? I am having the same problems as with your 9:14 post. Please see my partial solution in the post to bobpursely at 10:54 Devon, I have ...
Monday, April 16, 2007 at 9:57pm
umm, can some one please tell me how to write down the problems on this website? i think this (*) is multiplying but i'm not completely sure. and what is division? i have some graphing problems. by the way, i'm in 9th grade. You are right, multiplication is often ...
Wednesday, June 22, 2005 at 10:34am
It says sam test scores for the making period were 60,89,83,99,95,60 Suppose that sams teacher decided to base the marking period grade on the mean. What grade would sam earn? Do you think this is a fair grade explain your reasoning?
Monday, January 27, 2014 at 8:19pm
5th grade math
In the fourth grade class at Baker Elementary, 9 students are left-handed. The fifth grade has 7 left-handed students and the sixth grade has 6. The number of students in the fourth grade is 3 times the number of left-handed students in the class. The sixth grade has 3 more ...
Sunday, December 1, 2013 at 8:35pm
World History and Geography 9R - HELP!!!!!!!!!!!!!
Hinduism VS Buddhism?? Similarities and differences Please help and something for a 9th grader to UNDERSTAND.
Sunday, October 20, 2013 at 6:27pm
Approximately 15% of the students in ST130 obtain A grade. If 3 students are selected at random, find the probability that a)all of them obtain A grade in ST130. b)Exactly 2 obtain A grade in ST130. c)at least one obtain A grade in ST130
Tuesday, August 27, 2013 at 4:26am
An elementary school collected a total of 240 cans during a food drive. Grade 3 students collected 1/3 of all the cans grade 4 students collected 52 cans, and the rest of the cans were collected by grade 5 students. How many cans did grade 5 collect? A.28 B.80 C.108 D.188
Friday, March 29, 2013 at 11:34pm
The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an A grade to the top 10% of the scores, a B grade to the...
Sunday, March 24, 2013 at 5:22pm
A coffee dealer mixed 12 pounds of one grade coffee with 10 pounds of another grade of coffee to obtain a blend worth $54. He then made a second blend worth $61 by mixing 8 pounds of the first grade with 15 pounds of the second grade. Find the price per pound of each grade.
Sunday, October 21, 2012 at 12:23pm
If you put a 9th grade student in a bathtub and he foisted with most of his head and upper chest above water, how much water would spill out? Additional Information: Bathtub was full of the brim Student is male, and has a normal male IQ (85) Student weights 80kg Student has a ...
Saturday, September 15, 2012 at 7:20pm
9th grade algebra/Ms Sue
No, I did not check Reiny's answer that night. I did check it just now and it is the same answer I got the very first time I did the problem,but my Dad did not agree with me at that time. He did later after going over and over it. Thanks Ms. Sue. We just got notice that we...
Sunday, August 26, 2012 at 7:51pm
Thank You and I did some more questions. Can you check them? 1. Is the Antarctic Circle north or south of the equator? South of the equator 2. All lines of longitude are measured east and west of what imaginary line? The Prime Meridian. Ms. Sue the 9th grade Algebra question I...
Sunday, August 26, 2012 at 6:53pm
8th grade math
A cylinder has a cone on top. The base of the cone is congruent to the base of the cylinder. The diameter of the base is 16ft. The height of the cylinder is 16ft. and the height of the cone is 9th. What is the volumeof the entire figure?
Tuesday, April 10, 2012 at 9:44pm
Name School Team Event 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet 08 For each number pattern, fill in the next five terms. (2 pts. each blank) ANSWER KEY 1st term 2nd term 3rd term 4th term 5th term 6th term 7th term 8th term 9th term 10th term 1) ...
Friday, March 30, 2012 at 12:23pm
Spanish-9th grade-Please help me
Is this I would say I snacked(past tense) on popcorn and a drink in the movie? Merende palomitas de maíz y un refresco en el cine. How do I say I snack(present tense) on popcorn and a drink in the show? Meriendo palomitas de maíz y un refresco en el cine.
Monday, March 26, 2012 at 5:03pm
The grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...
Tuesday, November 15, 2011 at 11:38am
the grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...
Monday, November 14, 2011 at 1:33pm
Could you please check if these are correct? Thank you- 1.¿Necesitas monedas para coleccionar monedas? Sí. Las necesito para coleccionar monedas. 2. .¿Necesitas el bate para jugar al tenis? No,lo necesito para jugar al tenis. 3. Me hablas? Sí, te ...
Monday, October 17, 2011 at 11:29am