Thursday

May 28, 2015

May 28, 2015

**9th grade**

My son needs help with this question. Please help. Write a function rule for each table. x | f(x) 1 | 0.5 2 | 1 3 | 1.5 4 | 2 Any and all help is greatly appreciated since this is something that I am not familiar with.
*Friday, September 12, 2008 at 1:30am*

**health**

health concerns fron 1990 to 2010 for 9th grade heath class homework
*Thursday, September 4, 2008 at 4:02pm*

**9th grade technology discovery**

i'm doing a career report and i need a good website to get info on nuclear power workers. ex: outlook , description , ect
*Thursday, August 28, 2008 at 10:46pm*

**9th grade technology discovery**

i'm doing a career report and i need a good website to get info on nuclear power workers. ex: outlook , description , ect
*Thursday, August 28, 2008 at 10:45pm*

**9th grade**

x,1,2,3,4,5 y,15,30,45,60,75 question 1 x,1,2,3,4,5 y,15,30,45,60,75 question 2 find the slope of each equation
*Wednesday, August 27, 2008 at 7:09pm*

**Satire-Writeacher**

Is this a good start? 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 ...
*Saturday, June 21, 2008 at 5:27pm*

**9th Grade English**

can you tell me the rest of this saying? Knowledge is power~ If you learn to use it wisely you will also gain ______ _________ _______ .
*Monday, January 22, 2007 at 5:05pm*

**math& english**

if there is any chance that someone could help me with math or english over messenger i am far behind in those subjects and totaly lost in algebra1 my SNs are babeangel747 for both thanks in advance what grade are you in? 9th and 10 i should be in 11th
*Friday, August 11, 2006 at 11:11am*

**9th grade geometry**

Rounded to the nearest hundred cubic meters, what is the total capacity (cone and cylinder) of the storage container? the cone is on top of the cylinder. the radius of the cone is 6 meters and the height of the cone is 8 meters. the height of the cylinder is 10 meters. im ...
*Sunday, April 12, 2015 at 7:08pm*

**9th Grade Math**

Naulluq is cutting ice blocks from the lake for her mothers drinking water tank. The cylindrical tank has a volume of 4x^2π. Once each block has melted, it will have a volume of 3x^2. How many blocks does she need to cut so that her mothers tank will be filled when the ...
*Tuesday, February 10, 2015 at 10:40pm*

**physics**

9th grade physics sketch a picture of the initial total velocity for the projectile when the angle is at 0 degrees, 30 degrees and 60 degrees. Resolve each into vertical and horizontal components. No velocity given
*Wednesday, December 17, 2014 at 10:09pm*

**9th grade math**

The depth of water(d metres) in a harbour is given by the formula d = a+bsin(ct) where a, b and c are constants, and t is the time in hours after midnight. It is known that both b and c are non-zero and 20<c<35. If t=midnight, d=5; if t=noon, d=5; if t=1300, d=7; and if...
*Thursday, November 20, 2014 at 1:02pm*

**MATH**

there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)
*Monday, March 24, 2014 at 3:14pm*

**Biology **

Is there any biology websites for teens??? (NOT games! notes and quizzes to practice). The Science of Biology The Chemistry of Life Cell Structure and Function Photosynthesis & Respiration Something REALLY easy to understand(btw I'm going to the 9TH GRADE). please help (...
*Wednesday, July 17, 2013 at 6:01pm*

**9th grade living enviroment**

I Really need help i need 2 write in a paragraph a correalational study i really really need help.. PLEASE
*Wednesday, October 10, 2012 at 4:22pm*

**Sociology/Psychology **

I'm taking Sociology 1st semester and Psychology 2nd semester when I go to the 9th grade. I'm just curious but is there any topics (interesting ones) in Sociology and Psychology.
*Friday, September 28, 2012 at 8:52pm*

**9th Grade Biology**

Assume that the fish have an average mass of 280g. The average caloric value is 8kcal/g. The heron is able to digest 60% of the fishes’ mass. How many will it need to eat to sustain its caloric intake of 3,000kcal/day?
*Thursday, September 20, 2012 at 4:54pm*

**Physical science **

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*

**math**

My teacher never specifically told us how to do these type of problems and now i have 10 of the same type of questions for homework due when i come back to class 2 days. a^7b^6 ________ a^5b Im not asking for the answer but the steps to get to the answers to these type of ...
*Tuesday, August 28, 2012 at 4:24pm*

**geography**

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*

**c++**

Write a program that asks the user to input a grade that he or she received on an exam. The grade is an integer from 0 to 100 inclusive. The program should convert the numeric grade into the equivalent letter grade. Do the conversion by using a function Letter_Grade () that ...
*Friday, May 18, 2012 at 10:53am*

**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*

**9th grade physics**

If a transparent material has a refractive of 2.0; a) calculate the critical angle b) if the refractive index were less than 2,0, would the critical angle be greater or less than before? Im super confused at this :(
*Saturday, March 3, 2012 at 1:06am*

**Math Lit **

In a school there are 122 grade 8s, 105 grade 9s, 134 grade 10s, 109 grade 11s, 90 grade 12s. Express Each Class as a percentage of the whole school.
*Sunday, February 5, 2012 at 2:42pm*

**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*

**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*

**To Ciara**

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*

**Biology-9th grade**

I'm not sure how to answer one of my homework questions. Is one function of the alveoli to filter out dirt and pollen before it reaches the lung and why or why not. I don't think it is because the alveoli are used to oxgenate the blood, correct. I don't think they ...
*Sunday, October 9, 2011 at 3:58pm*

**math**

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*

**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*

**9th grade**

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*

**9th grade**

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 math**

x to the 2nd power if x = 3/4 how do you find 3/4th to the 2nd power? 3/4th times 3/4th right? so the answer would be 9/16ths.. right?
*Thursday, September 9, 2010 at 5:02pm*

**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*

**9th grade**

A person standing on Mars would weigh 38% of his earth weight. What is the Mars weight of a person with an earth weight of 55 kilograms?
*Wednesday, August 25, 2010 at 11:43am*

**9th grade**

What is the product of 23 and -27? -------------------------------------------------------------------------------- -621 -521 521 621
*Friday, August 20, 2010 at 12:11pm*

**9th grade**

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*

**9th grade**

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*

**History/9th grade**

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 Social Studies**

Had the world gone along with Wilson’s 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**

Given Circle D, find the length of segment DB if the measure of segment DE = 25 units and the measure of segment BC = 24 units. Explain your solution.
*Thursday, April 22, 2010 at 1:56pm*

**9th grade Algebra 1**

Van Gogh’s 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*

**9th grade**

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*

**9th grade**

soil dwelling insects are examples of invertabrates. explain why this statement is true and use examples of two soil dwelling insects
*Tuesday, March 23, 2010 at 7:26am*

**9th grade**

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 region’s 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*

**9th grade**

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*

**9th grade**

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*

**9th grade**

* 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*

**9th grade(English)**

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*

**biology**

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*

**9th grade**

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*

**9th grade**

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*

**book help**

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**

please show me how to solve for 5m/m+1 divided by 25m to 2nd power divided by m to 2nd power + 6m +5
*Sunday, October 26, 2008 at 11:06pm*

**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*

**writing**

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*

**9th grade**

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*

**9th grade**

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*

**Math**

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*

**Science**

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**

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*

**project**

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*

**trig**

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*

**Math formatting?!**

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*

**maths**

there are 104 students in class 10th and 96 students in class 9th in a school .in a house examination the students ate to be evenly seated in parallel rows such that no two adjacent rows are of the same class. (a) find the maximum number of parallel rows of each class for the ...
*Saturday, March 7, 2015 at 10:35am*

**mathematics concepts**

Fraction symbols can usually be safely introduced A. at the beginning of third grade. B. near the end of first grade. C. near the end of third grade. D. at the beginning of second grade. my answer is c.
*Saturday, February 21, 2015 at 5:02pm*

**9th world history**

1. Why do many historians regard the printing press as the most important invention of the past millennium?
*Monday, January 5, 2015 at 9:03am*

**math**

Allie noticed that to get her test grade, she could take Valerie's grade, multiply it by 2 and subtract 15. If Valerie's test grade was x, how would you write Allie's test grade?
*Thursday, December 4, 2014 at 12:14pm*

**Algebra**

What is the 9th term of the arithmetic sequence defined by the rule below? A(n)=-14+(n-1) (2)
*Thursday, October 23, 2014 at 10:16am*