Monday
July 28, 2014

Chlorine has an average atomic mass of 35.45 amu. The 2 naturally occurring isotopes of chlorine are chlorine-35 and chlorine-37. Why does this indicate that most chlorine atoms contain 18 neutrons?
Thursday, January 15, 2009 at 3:54pm

{ this means means square root How do you solve these kind of radicals: 1. (5-{14)*(3-{2) 2. (4{2+2)*(3{3-1) Can someone show me how to do these correctly please ?
Wednesday, January 14, 2009 at 11:13pm

i have a homework assignment i do not know how to do. i was out sick so i have not learned this. hear is the question......y varies directly as x. find the constant of variation and write an equation for the direct variation. question 1: y=15 when x=5
Wednesday, January 14, 2009 at 8:59pm

Find the equation of the line With a slope of (-1/3) that goes through the point (2, -4) With a slope of 3 that goes through the point (-5, -1)
Wednesday, January 14, 2009 at 7:47pm

Write each expression in simplest form. ( means square root 4. 3(11 + 4(11 Answer: 8(11 7. 7(2 - 2(8 Answer: 1(2 ?? 8. (48 + (75 Answer: 9(3 9.(3(10) Answer: 19 + 6ã10 10. (27/64 (Fractions) Answer: 3(3/8 ?? 11. 10(20 - 3(80 ...
Wednesday, January 14, 2009 at 12:16am

the ? says "the apatosaurus dinosaur averaged 70 ft. in length. This is 2800% of the avearage length of a Compsognathus dinosaur. what was the average length of the Compsognathus?(if necessary round to the nearest hundreth") i think its proportion. {part over whole...
Tuesday, January 13, 2009 at 5:42pm

hi everyday my teacher gives us a paragraph to fix: grammer ,spelling,commas,ex.and i always fail.I don't understand how fix a paragraph or my rough drafts can you help me !!!!
Thursday, January 8, 2009 at 4:46pm

The radius of circle M is 3 times the radius of circle P. If the area of circle P is abotu 27 sq. cm. the area of circle M is about what? (Use 3 as pie) i dont get it. is the scale ratio 3:1?
Monday, January 5, 2009 at 5:48pm

Surface ocean currents located at 40 degrees south latitude and 90 degrees west latitude generally flow toward the (1) northeast (2) southeast (3) southwest (4) west
Saturday, December 27, 2008 at 2:58pm

I don't quite get the formula "w=(fd)" i understand what to do once you get the data, but i can't seem to ever get the data from the six basic machines, and converting the measurement units. I really need help, please
Tuesday, December 16, 2008 at 10:26pm

Sue whants to by a new printer that costs \$189.She has \$125 saved.She has a job that pays \$8.00 an hour.How many hours must she work to earn enough to buy the printer?
Saturday, December 13, 2008 at 7:10pm

what does "new moon" have to do with the book new moon
Thursday, December 11, 2008 at 6:29pm

A bank loans a customer \$35,000 for a period of 8 yrs. The simple interest rate of the loan is 10.7%.What is the total amount that the customer will need to pay the bank over the 8 yrs.
Monday, December 8, 2008 at 9:51pm

I need to find out what a Information Colour chart is. I've checked on internet but I can't find. Could anyone help me I need 3-5 facts about it to. Thank you.
Monday, December 8, 2008 at 3:47pm

Draw two squares of appropriate size to compare the areas of Alaska (591,004 miles squared) and Texas (266,807 miles squared). * I don't get how to set up and do this problem.
Tuesday, December 2, 2008 at 10:21pm

If you purchased a new house and wanted new carpet and new furniture, you would probably get these items from the states of which two competing teams? ______________vs._______________
Thursday, November 20, 2008 at 12:10am

A game between two of the competing teams from bordering states might well be called the "Kudzu Klash". The game between which teams would deserve this title?
Wednesday, November 19, 2008 at 11:44pm

what is the charge on carbonate ion? Compared to the number of protons, how many electrons does the carbonate ion have?
Monday, November 17, 2008 at 6:46pm

Determine which state capital will be visited bty a team form a state capital.
Friday, October 31, 2008 at 3:46pm

the volume of a box needs to be 500 cubic cm. if the bas has dim of 12.5 cm and 5 cm how high must the box be? I got 8 cm. Is this right? My work is 12.5/500=40 5/40=8 8 cm
Tuesday, October 14, 2008 at 8:16pm

Explain why the graph of an equation in the form y=kx always goes through the origin. Give an example of a graph that shows direct variation and one that does not show direct variation. I don't really get the question.
Tuesday, October 7, 2008 at 11:38pm

Dear Sir, I have question related to Acids and Alkalis is that;- You are given a colourless solution.Describe three tests you would carry out to determine the solution is an acid or an alkali without tasting or using indicators. Please reply me quikly
Friday, September 26, 2008 at 1:27am

The product of three consecutive integers is -1716. What is the greatest of the three integers?
Sunday, September 21, 2008 at 2:56pm

He ripped a piece of paper into three parts, and tore each of those parts into three more parts. if he repeated this action 12 times, how many pieces of paper would he have?
Monday, September 8, 2008 at 5:58pm

Where do I add parentheses to make this expression equal a 1 when it is simplified? Expression: 6 + 9 / 3 - 2 When this expression is simplified w/o any parentheses, it equals 7. I just need to know where to put the parentheses so that it will equal 1. And we have to use the ...
Thursday, September 4, 2008 at 9:54pm

I need to find the percent of the total area of New York City that each borough covers. Bronx 41miles Manhattan 23 miles Queens 110 miles Brooklyn 73 miles Staten Island 56 miles Not sure how to figure it?
Wednesday, August 27, 2008 at 8:43pm

if 20 of 100 squares on a grid are shades blue, what percent of the squares are blue
Monday, August 25, 2008 at 7:11pm

A 73 year old woman suffers a severe cerebral hemorrhageafter a minoe trauma. Blood work reveals that her clotting ablity is imparied. Disease of which abdominal organ may contriute to this ? My answer is the spleen
Wednesday, April 2, 2008 at 6:40pm

Anterior to the sternum, medial to the thoracic vertebrae ad superior to the diaphragm is the correct location of the heart True or False I am not sure not this on I am going to say False
Thursday, March 27, 2008 at 8:26am

Please check my answer thansks :) Invasive sampling of the blood from the _______ would reval that the blood is mostly dexygenated My answer is pulmonary arteries
Tuesday, March 25, 2008 at 7:55pm

Please check my answer thanks What's the potential benefit of administering CPR to a person whose heart has stopped beating? A. Prevent blood clots B Prevent permanent brain damage C Prevent pericardial effusion D Prevent heart failure I picked D
Tuesday, March 25, 2008 at 7:50pm

Please check my answer thanks What makes up most of the volume of blod plasma ? A Reb blood cells B Water C Plasma proteins D White blood cells I think it's Red blood cells
Tuesday, March 25, 2008 at 7:46pm

Please check my answer thanks A woman who recently came home from a tropical vaction now has abdominal pain and diarrhea// Her blod test show an elevated eosinophil level. Which of the following organisms is most likely the cause of her illness? A Bacteria B Worm C Virus D ...
Tuesday, March 25, 2008 at 7:37pm

Please check my answer thanks Which of the folowing process is achieved through osmosis ? A. A cube of sugar didilving in coffee B. Particles of oxygen filling the lungs C. Water moving across thr cell membranne D. Transport of proteins from the endoplasmic reticulum to the ...
Saturday, March 22, 2008 at 6:51pm

letter
Dear Mr. Donahue, How are you? My name is Nana Turay and I am an 8th grade student. I am writing you this latter because I was wondering if we could have a school dance by the end of the school year. I know we good student are making life tough for you never less we still love...
Sunday, March 16, 2008 at 2:09pm

Science
What is a good science project to do? I am in 8th grade and am studying earth science. I need to present the project in front of class. Im really nervouse.
Sunday, January 27, 2008 at 3:18pm

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

Language Arts
I am in a verse chior group for oral language and I need an oral language peice that is up to 8th grade reading level. Any ideas?
Monday, October 15, 2007 at 10:06pm

I have to do a cross-word puzzle, but I'm not sure about the answer to one of them. It is a 9 letter word (in Spanish), and fits into this sentence: Donde _____ (tu)esos sueteres nuevos? Plese help!
Monday, October 15, 2007 at 4:26pm

science
is salad dressing - homogenous or heterogenous if it is homogenous is it solution or colloids 8th grade science " just says salad dressing"
Friday, October 5, 2007 at 11:53pm

My niece has this question on her homework. "Describe two advantages of the SI system over the system of measurement that is still commonly used in the United States." Does anyone have any thoughts?
Thursday, September 27, 2007 at 7:47pm

English
I have to chose 20 books + to read this year. If any, what books would you recommend??? I am in 8th grade, but can read adult novels, such as To Kill a Mockingbird (read it) and Moby Dick
Tuesday, September 11, 2007 at 7:55pm

math
suppose you bought some 32 cents stamps and some 20 cents stamps. you spent \$3.92 for 16 stamps. how many of each stamp did you buy? i got the equation--.32x + .20y = \$3.92 but don't know how to solve for x and y what class/level is this for 8th grade math
Thursday, February 1, 2007 at 10:23pm

ten over eight = what over ten????? please help me!!!!!!!!!! 10 / 8 = x / 10 This means that 8 * x = 10 * 10 Solve for x.
Thursday, February 1, 2007 at 6:32pm

Which of the following is not a characteristic of a crystal? a. The arrangement of the atoms in a crystal determines its shapes. b. A crystalline structure is always geometric. c. Crystals are classified according to their mineral content. Please do not double post.
Wednesday, September 13, 2006 at 9:08pm

Math 8th gr.
27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
Wednesday, May 21, 2014 at 6:48am

Math 8th gr.
27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
Tuesday, May 20, 2014 at 11:21pm

The quarterback throws a pass from 10 yards from a goal line and 25 yards from a sideline. A receiver catches the pass at 40 yards from the same goal line and 5 yards from the same sideline. How long was the pass?
Friday, April 25, 2014 at 10:32pm

math(QUESTION)
Suzan has a 69 as her grade in a class. If she does a quiz worth 9% of her grade what will her grade be?
Friday, March 7, 2014 at 11:13am

There is a connection between photosynthesis and cellular respiration. The products from one provide the raw materials for the other. What products of photosynthesis are starting materials for cellular respiration? A. glucose and oxygen B. heat energy and ATP C. carbon dioxide...
Thursday, March 6, 2014 at 12:25pm

math
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

1. What is the product of (5.1 x 10^3) x (3.2 x 10^3)? (Please express your answer in scientific notation.) 16.32 x 10^6 1.632 x 10^7 16.32 x 10^9 1.632 x 10^10 2. What is the product of (7.28 x 10^-2) x (9.1 x 10^-2)? (Please express your answer in scientific notation.) 6....
Wednesday, January 8, 2014 at 5:52pm

Q: how might the length of mercury day affect the temperature ranges found on the planet? A: A)Over time the closeness of the planet to the sun has caused it to shrink. B)The entire planet would get burned by the intense amount of sunlight. C)Parts of the planets facing the ...
Sunday, December 29, 2013 at 8:37pm

8th Grade Language Arts Ms. Sue Help
Select whether the sentence below is a simple, compound, complex or compound-complex sentence However, when David came to conquer the city with his army, he discovered that the Jebusites got their drinking water from a spring just outside the city walls. CxCd or Cx
Thursday, December 19, 2013 at 1:24pm

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

Language Arts
8th grade language arts help. Please I need help with this I don't understand these questions. Can you please explain these concepts to me and let me know if my answer is correct? Identify the italicized word or words in each sentence. The ITALICIZED words are in CAPS 1. ...
Thursday, November 14, 2013 at 7:42pm

Q: A person living in North America will be able to see 15 lunar eclipses in the 2010-2020 decade. In the same time period, only two solar eclipses can be observed in North America. why will more lunar eclipses than solar eclipses be visible from North America in this decade? ...
Wednesday, November 13, 2013 at 9:59pm

1) Which of the following is a chemical change? (1 point) Boiling of water*** Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen 2) What is the mass of water that results from combining 2.0g of hydrogen with 16.0g of oxygen? (1 ...
Saturday, October 12, 2013 at 1:58pm

1 1/4 miles in 2 min and 4 seconds, or 1 3/16 miles in 1 min and 55 sec. Which is greater? \$1.60 for 5 min or \$19.50 for 1 hour. Which is greater? Look for a pattern in the expressions shown below. Use the pattern to write an expression for the sum of the whole numbers from 1 ...
Sunday, September 8, 2013 at 3:47pm

Choose I for each antecedent that is unclear or missing and C for each antecedent that is used correctly. Thanks so much for you help. 1. We can't go to the aquarium Monday because you need reservations. C 2. Many people have Monday off, so the aquarium will be busier than...
Wednesday, September 4, 2013 at 1:37pm

Write a word phrase for the algebraic expression 3x-7. The difference of three times and number x and seven. The difference of seven and three times a number x. Three times a number x fewer than seven.** The quotient of three times a number x and seven. Steve or Ms.Sue am I ...
Wednesday, September 4, 2013 at 12:29pm

Math
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

8th Math
-5x-10 = 2-(x+4)
Sunday, August 25, 2013 at 7:27pm

Please help: The distance from home plate to second base on a softball diamond is 84.853 feet. This is the same as the distance from first base to third base. What is the area of a softball diamond? Round your answer to the nearest square foot. 1,800 ft.2 3,558 ft.2 7,200 ft.2...
Wednesday, May 29, 2013 at 9:22pm

mathematics
find the 8th term of an A.P -3,-1,1
Sunday, April 28, 2013 at 7:52am

1. The thermal energy of an object is _____. (1 point) its potential energy its average kinetic energy its potential energy minus its kinetic energy its kinetic energy plus its potential energy Thanks, jessica :)
Tuesday, April 9, 2013 at 8:05pm

math
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

statistics
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

Maths
Rs 10000 from 8th may to 26 november 10% ?
Thursday, February 7, 2013 at 5:50am

A model car is a 1/43 scale model of the original car. What is the scale factor needed to find the dimensions of the original car? model car=4.2" long, 1.3"tall, and 1.6" wide?
Wednesday, January 16, 2013 at 5:29pm

english
i'm required to write a 7 paragraph, 5 minute speech for my 8th grade lit comp class. the topic is "why my voice is important." but i can't think of any reason my voice is important. because it's not. i'm 14 years old! what say do i have in anything? ...
Tuesday, January 8, 2013 at 6:47pm

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation. I really need to know how an inequality is different from an equation. I know the signs used are different, but what else? I am very ...
Thursday, December 27, 2012 at 8:28pm

How is an inequality different from an equation? Give a real-world scenario in which you would write an inequality rather than an equation. Daphne has \$25. She wants to buy two new paint brushes for her art teacher. Daphne needs to know the average price so she doesn't ...
Thursday, December 27, 2012 at 7:51pm

My teacher for my english class at school marked off for these questions and said I could redo it and turn it in tomorrow. I am for sure I did these right. Here are the questions. Underline the verb in the parentheses that agrees with the subject. 1. In the Northern Hemisphere...
Tuesday, December 11, 2012 at 4:22pm

A ship leaves the East Coast for California. It is traveling at a constant speed of five knots and takes 200 days to reach California. The ship arrives in California at the exact time of day that it left the East Coast. How far did the ship travel? Please help with step by step.
Friday, December 7, 2012 at 9:34pm

Jerome, Kevin, & Seth shared a submarine sandwich. Jerome ate 1/2 of the sandwich, Kevin ate 1/3 of the sandwich and Seth ate the rest. What is the ration of Jerome's share to Kevin's share to Seth's share? 1. 2:3:6 2. 2:6:3 3.3:1:2 4.3:2:1 5.6:3:2 please help!
Friday, December 7, 2012 at 7:53pm

The radius of Earth is 6,371 kilometers. A space shuttle orbits 315 kilometers above the surface of Earth. The space shuttle completes 240° of a revolution around Earth in one hour. What is the average speed of the space shuttle? Choose the closest answer. Please help both...
Wednesday, December 5, 2012 at 4:59pm

After receiving a grant for music education, a school decides to build a new band room for its expanded music program. Quadrilateral ABCD represents the floor plan of the new band room. What is the area of the room? AE = 32 ft. BE = 12 ft. CE = 26 ft. DE = 26 ft. There is a ...
Saturday, December 1, 2012 at 12:39am

Answer the following question in your discussion group: Sometimes people say “Give 110% of your effort.” Is it possible to give 110% of your effort? Is there ever a situation where you might have a percent over 100? If no, explain why. If yes, give a scenario where a...
Friday, November 30, 2012 at 6:37pm

I don't know the formula to figure this out. Charlie and Peter are driving around a racetrack. Charlie drives at an average speed of 108 miles per hour. Peter drives at an average speed of 99 miles per hour. Peter is given a head start of 12 miles. Charlie and Peter finish...
Friday, November 16, 2012 at 10:39pm

An archaeologist has set up a dig at a newly discovered site. She and her team start excavating an area that is 36 feet by 24 feet. Because the scientists find many artifacts near the edges of this area, they decide to expand the dig. They add nine feet in all directions to ...
Friday, November 16, 2012 at 9:45pm

Charlie and Peter are driving around a racetrack. Charlie drives at an average speed of 108 miles per hour. Peter drives at an average speed of 99 miles per hour. Peter is given a head start of 12 miles. Charlie and Peter finish at the same time. How far does Charlie drive? ...
Friday, November 16, 2012 at 9:41pm

Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your operations is an ...
Tuesday, November 13, 2012 at 3:03pm

Hi, I am doing a paper for school and I need to know what are some Negative and Positive Impacts of the Telegraph? I know some positives but I really need help with the negative effect of the telegraph. Can you please give me 2 or 3 positive and negative impacts/effects? Thanks!
Friday, November 9, 2012 at 5:13pm

Math
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

Social Studies 8R
I need the definition for the following words: Fort Laramie Treaty Interstate Railroad Geronimo I know I have my textbook but it's not in the glossary. Is there a website that have a list of all social studies vocabulary words that is in the 8TH GRADE SOCIAL STUDIES ...
Sunday, October 14, 2012 at 1:39pm

science
Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet? Also is it the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th largest planet?
Tuesday, October 9, 2012 at 4:19pm

in the last three years, Fred's basketball team won 30 more games than they lost. if they won 150 games, what was their ratio of wins to losses? What are three different ways to show the ratio? what is the unit rate if Ramon drives his car 180 miles in 3 hours? what is the...
Wednesday, September 26, 2012 at 2:50am

2 rectangular tables are put together short ends together. 10 people can be seated around the tables. Add 2 tables again short ends together. How many people can be seated around the tables? Is there an equation you can use?
Monday, September 17, 2012 at 4:40pm

You and your friend collect football cards.You tell your friend,"I have three times the number of football cards as you have." Your friend replies " You only have 80 more football cards than i have." How many football card do each of you have?
Monday, August 27, 2012 at 9:35pm

At a lake, there are 2 boat rental shops. Shop A charges \$210 for a 4-hour rental, shop B charges \$238 for a 6-hour rental. Which shop charges more per hour? Also, how much more expensive is this shop?
Thursday, August 23, 2012 at 9:38pm

You are setting up a children;s painting class. Poster board paints cost \$3.80 for each child, and a package of 100 sheets of poster board costs \$66.50. Assuming that you only need one package of poster board, write an algebraic exprssion for the total cost of supplies. Find ...
Thursday, August 23, 2012 at 9:27pm

american legion award???
What is american legion award??? My mom got that award when she was in 8th grade.
Tuesday, August 21, 2012 at 9:53am

I'm creating is HUGE book series. Can you check to see if the blurb is good. The series follows the journey of a teenage girl who is determined to have best year ever in the 8th grade and to have the best 4 year experience in high school. Please make sure if they any ...
Sunday, July 22, 2012 at 3:06pm

I would greatly appreciate it if someone would please be kind enough to take the time and show me how to work these problems. Thank you very much Solve by finding y and graph using the slope and y-intercept: 3x-y=1(My answer -y=3x+1)which is wrong could not graph it. x-y=3 (My...
Saturday, May 12, 2012 at 6:10pm

Today is my NYS ELA Exam Book 1: Multiple Choice Questions. I know I'm supposed to be at school but the 7th graders take the exam around 12:30 or 12:40. Right now the 8th graders are (still) taking the exam so I'm still at home. Tomorrow is Book 2: Listening and Note-...
Tuesday, April 17, 2012 at 10:21am

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

The amount of vitamin c in the breakfast cereal varies directly with the serving size. If 1 and 1/4 cups of cereal provides 10% of the recommended daily value of vitamin c, what percent of the recommended daily value of vitamin c is in two cups of cereal?
Tuesday, April 10, 2012 at 7:54pm

Math
I dont remember sampling methods... i do know that there are three and one of them is litteraly called 'random'. if i can please be reminded of the methods i can finish the last 3 problems of my math.... i dont like math especially if you have a field reading test for ...
Monday, April 9, 2012 at 10:10pm

Math
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

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