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September 30, 2014

September 30, 2014

Post a New Question | Current Questions

**Physics - grade 11**

The speed of light of a plastic is 1.4x10^8. What is the index of refraction in the plastic?
*Friday, February 24, 2012 at 12:14am*

**8th grade math**

how would i graph this inequality? 14x-23<5x+13
*Thursday, February 23, 2012 at 10:13pm*

**7th grade social studies**

what was the Texas-Santa Fe expedition, and what were the results? Please explain, help, and thank you very much.
*Thursday, February 23, 2012 at 10:02pm*

**7th grade science**

definition of cell cycle
*Thursday, February 23, 2012 at 9:41pm*

**5th grade math**

holly's garden is divided into 5 equal sections. she will fence the garden into 3 areas by grouping some equal sections together. what part of the garden could each fenced area be?
*Thursday, February 23, 2012 at 9:27pm*

**Easy 4th Grade Math**

What are things that have symmetry in a house?
*Thursday, February 23, 2012 at 7:53pm*

**7th Grade Math**

You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.
*Thursday, February 23, 2012 at 7:24pm*

**algorithms**

in Table E [N] are the names of the students, in Table L [M] are the names of the subjects, in Table T [N, M] are the grades of students for each subject. to find the student with the highest grade in the class "Math" (name of the subject given by keypad)
*Thursday, February 23, 2012 at 1:38pm*

**Physics - Grade 12**

A bowling ball that weighs 70N is dropped from a tower 15m above the ground. Disregarding air friction, what is the kinetic energy (KE) of the ball when it reaches the ground?
*Tuesday, February 21, 2012 at 11:33pm*

**7th grade health**

What is the scrambled word? Here is the definition. Mineral that helps regulate fluid balance in the body. Here is the scrambled word. samuposti Please help thank you
*Tuesday, February 21, 2012 at 10:53pm*

**7th grade health**

What does anemic mean?
*Tuesday, February 21, 2012 at 10:47pm*

**8th grade math**

At Maryland Middle School, there are 9 mathematics classes. If two mathematics classes are selected for a school competition, what is the number of possible outcomes?
*Tuesday, February 21, 2012 at 9:43pm*

**8th grade math**

George has a bag of marbles. Inside the bag are 5 red marbles, 3 green marbles, and 2 blue marbles. He draws out two marbles in a row, without replacement. What is the number of outcomes?
*Tuesday, February 21, 2012 at 9:39pm*

**programming logic**

The program will accept user input to store the student's first and last name . If the name is ZZZ, then the program will end. The program will accept: a text entry for the class number (e.g., CGS 1000, COP 1000, etc.) a numeric value for the class grade a value of ZZZ ...
*Monday, February 20, 2012 at 10:36am*

**Careers**

What Grade 12 courses would I need to take in order to be an accountant? Are there any other requirements?
*Sunday, February 19, 2012 at 4:49pm*

**6th grade Social studies**

What was the main effect of the repeated exiles of the Jews ?
*Saturday, February 18, 2012 at 1:58pm*

**Math**

Me and my grade 8 class are doing project on "data management". in one part it says: Statistical Measure of your choice: Research one other representation of statistics and apply the calculations to your data. Once again, explain what this means within the context of...
*Friday, February 17, 2012 at 10:11pm*

**3rd grade math**

write the missing fraction or mixed number for each number line 0,1/3,2/3,1,____,____,____,______,2 1/3 3
*Thursday, February 16, 2012 at 10:40pm*

**8th grade math**

y=1/4x-1 1/2y=x-2 2x+3y=3 3y=5-2x 4x-y=3 4x=y=1 I don't understand this can someone please help me! This is Systems of Equations please work out the problem and explain it how to do it.
*Thursday, February 16, 2012 at 9:34pm*

**6th grade science**

what would happen if cytokinesis occurred without mitosis???
*Thursday, February 16, 2012 at 5:11pm*

**chemistry-Thermochemistry (grade 12)**

calculate enthalpy of H for the reaction N2H4(l) + 2H2O(l) -> N2(g) + 4H2)(l) Given the reactions N2H4(l) + O2(g) -> N2(g) + 2H2O(l) Enthalpy of H = -6.22.2 kJ H2(g) + (1/2)O2(g) -> H2O(l) enthalpy of H = -285.8 kJ/mol H2(g) + O2(g) -> H2O2(l) enthalpy of H = -187....
*Thursday, February 16, 2012 at 1:36pm*

**chemistry-Thermochemistry (grade 12)**

calculate enthalpy of H for the reaction N2H4(l) + 2H2O(l) -> N2(g) + 4H2)(l) Given the reactions N2H4(l) + O2(g) -> N2(g) + 2H2O(l) Enthalpy of H = -6.22.2 kJ H2(g) + (1/2)O2(g) -> H2O(l) enthalpy of H = -285.8 kJ/mol H2(g) + O2(g) -> H2O2(l) enthalpy of H = -187....
*Thursday, February 16, 2012 at 1:14am*

**7th grade science**

what is a binominal nomenclature mean? Please explain in a simple manner. Thank you
*Wednesday, February 15, 2012 at 10:32pm*

**social studies**

Interview a) Interview a teacher in the elementary grades regarding the teacher's social studies instruction. Include at least eight questions. b) Create your own questions such as: i) Do you use a textbook? ii) What do you think of the standards for social studies? iii) ...
*Wednesday, February 15, 2012 at 5:03pm*

**essay**

yoyoma here just wondering if someone can help me out with this essay... what grade do u think it deserves? constructive criticism welcomed thanks everyone :)
*Wednesday, February 15, 2012 at 5:00pm*

**chemistry (grade 12)**

how much heat will be liberated if 37.8 g of Fe2O3 is allowed to react with 18.7 g of aluminum. Fe2O3(s) + 2Al(s)--> Al2O3(s) + 2Fe(s) + 851.5kJ
*Wednesday, February 15, 2012 at 3:20pm*

**6th Grade Math**

My daughter needs to use PROPORTION to solve metric conversions. Can you please help? The question are for the following conversions: g=kg ___g = 5.114 kg km=m 0.5 km = ___m These are the other conversions that we need to make: ml=L g=mg cm=m kg=g km=m 0.5 km = ___m mm=m cm=mm...
*Tuesday, February 14, 2012 at 11:22pm*

**Reading**

Dear Ms. Sue, No matter how hard I try, nobody knows a 6th grade definition for the word "Panning". Can you please help?
*Tuesday, February 14, 2012 at 9:08pm*

**5th grade science**

A substance seems to completely fill a container, but more can be forced in. The substance is a
*Tuesday, February 14, 2012 at 8:01pm*

**7th grade math**

Toby is making a model of a battlefield. The actual area is 11 miles by 7.5 miles. He wants to put the model on a 3.25 ft by 3.25 ft square table with at least 3 inches on each side between the model and table edges. What is the largest scale he can use?
*Tuesday, February 14, 2012 at 6:23pm*

**Statistics**

A math professor notices that scores from a recent exam are normally distributed with a mean of 64 and a standard deviation of 5. Answer the following questions using integer values. The professor decides to grade on a curve. If he wants 0.15% of the students to get an A, what...
*Tuesday, February 14, 2012 at 2:24pm*

**7th grade math**

Toby is making a model of a battlefield. The actual area is 11 miles by 7.5 miles. He wants to put the model on a 3.25 ft by 3.25 ft square table with at least 3 inches on each side between the model and table edges. What is the largest scale he can use?
*Tuesday, February 14, 2012 at 8:16am*

**3 grade math**

Is a trapezoid also a parallelogram? Explain why or why not.
*Tuesday, February 14, 2012 at 7:27am*

**6th grade math**

A stray dog ate 12 of your muffins.That was 3/10 of all of them! with how many did you start???
*Monday, February 13, 2012 at 5:46pm*

**6th grade math**

If the weight of a package is multiplied by 5/7 the result is 40.5 pounds.Find the weight of the package.
*Monday, February 13, 2012 at 5:33pm*

**6th grade math**

your mother gave you $13.32 with which to buy a present.This covered 3/5 of the cost.how much did the present cost? can someone please help me and also show me how to solve this?
*Monday, February 13, 2012 at 5:19pm*

**5th grade math **

How do you find the area of an irregular shape? The shape is shaped like a cat's head. Please help me!
*Monday, February 13, 2012 at 3:03pm*

**6th grade science**

why would a shredded carrot turn the softest when it is sitting on top of a table out in the open air compared to the carrot in water and the carrot in salty water?
*Sunday, February 12, 2012 at 9:25pm*

**4th grade math**

How could you find the measurements of the garden with a perimeter of 60 feet and the greatest possible area?
*Sunday, February 12, 2012 at 5:53pm*

**Math**

A test has 125 items. Each correct answer earns 1point and 65% is a passing grade. If you get 42 answers wrong will you pass? Show working
*Sunday, February 12, 2012 at 10:43am*

**Grade 6 Science **

Describe a way you can become a victim of a static electric shock. Explain what caused the static electric shock.
*Saturday, February 11, 2012 at 10:29pm*

**Grade 6 Science **

Describe a way you can become a victim of a static electric shock. Explain what caused the static electric shock.
*Saturday, February 11, 2012 at 10:28pm*

**Math 208**

Grade Average A student scores 65 and 82 on two different 100-point tests. If the maximum score on the next test is also 100 points, what score does the student need to maintain at least an average of 70?
*Saturday, February 11, 2012 at 3:27pm*

**6th grade science**

which particles cannot pass through the cell membrane?
*Thursday, February 9, 2012 at 9:24pm*

**Grade 6 LA**

I really need 3 action words for mp3? I need this right now so someone really help me!
*Wednesday, February 8, 2012 at 7:05pm*

**Grade 6 LA**

I really need 3 action words for mp3? I need this right now so someone really help me!
*Wednesday, February 8, 2012 at 7:05pm*

**3 grade math**

1-how are perpendicular lines and intersecting lines alike? how are they different? 2-writing to explain- how can you use a right angle to decide how to name another angle?
*Wednesday, February 8, 2012 at 6:48pm*

**math**

If Ashante' got 21 questions correct out of 25, what percent went in the grade book?
*Wednesday, February 8, 2012 at 6:03pm*

**English**

Here are the integrations into ongoing activities which refer to the two other schools. Thank you very much! 1) The project, its cycle and the outcomes will be integrated as followed: .......Gymnasium: The 10th class will be involved in project because the project subject is ...
*Wednesday, February 8, 2012 at 4:00pm*

**11 grade english**

the oicnic was postponed because the rain ruined the grounds is the sentence with an adverb clause punctuated correctly
*Wednesday, February 8, 2012 at 2:52pm*

**7th grade Lang. Art**

Out of this list of words, which one is a synonym of MEDDLE? List: anecdote consolidate counterfeit docile dominate entreat fallible fickle fugitive grimy iota maul rural substantial tactful tamper ultimate uncertainty Please help Thank you
*Wednesday, February 8, 2012 at 2:25pm*

**6th grade math**

liam is planting 30 bean plants and 45 pea plants in his garden. If he puts the same number of plants in each row and if each row has only one type of plant, what is teh greatest number of plants he put in one row?
*Tuesday, February 7, 2012 at 9:22pm*

**7th grade science**

what is the gravitational potential energy of a 0.1 kg apple sitting on a 12.5 m flagpole?
*Tuesday, February 7, 2012 at 4:53pm*

**6th grade science**

how do carrier proteins recognize substances to transport in active transport?
*Tuesday, February 7, 2012 at 4:17pm*

**3 grade english**

write three sentences describing life in the desert. use the past tense of at least two irregular verbs.
*Monday, February 6, 2012 at 6:28pm*

**6th grade history**

What is an occupation that can symbolize the value of the United States? I was thinking that the U.S Army Force be one?
*Monday, February 6, 2012 at 5:43pm*

**6th grade science**

at the end of cytokinesis, how many chromatids will be found in each daughter cell? explain.
*Monday, February 6, 2012 at 5:13pm*

**6th grade science**

during which phase is DNA duplicated?
*Sunday, February 5, 2012 at 9:32pm*

**6th grade science**

what are the four phases of mitosis??? -------,-------,-------,-------
*Sunday, February 5, 2012 at 9:27pm*

**6th grade math**

the expression 4 - p is equivalent to "four minus a number", but not to "a number minus four".explain why.
*Sunday, February 5, 2012 at 9:16pm*

**10th grade Math --Shadow-Pull questions**

AC=12 Db=32 AD=x
*Sunday, February 5, 2012 at 1:51pm*

**geography-grade 7**

How many years has Canada been trading with countries in Europe?
*Sunday, February 5, 2012 at 9:11am*

**5 grade math**

ryan practiced piano for 3/10 of an hour and soccor for 1/2 an hour. in simplest form, how long did he practiced altoghter
*Friday, February 3, 2012 at 6:53pm*

**3 grade english**

write a sentence about a desert animal. use the past tense of an irregular verb.underline it.
*Friday, February 3, 2012 at 6:11pm*

**3 grade english**

i post my son answer i just want to now did he right or no thank you
*Thursday, February 2, 2012 at 8:00pm*

**5th grade **

what does self imposed mean? please explain in a simple way thanks
*Wednesday, February 1, 2012 at 11:03pm*

**math**

How does exponents work? Is it ust multiplication...please help me i am in grade 7 math
*Wednesday, February 1, 2012 at 8:14pm*

**3rd grade math (not algebra!)**

There are 18 bikes in a bike rack. There are 4 more blue bikes than yellow bikes and 2 less yellow bikes than green bikes. How many bikes of each color are in the rack?
*Wednesday, February 1, 2012 at 6:44pm*

**leadership**

total points of the semester you can earn 170 but i scored 140 what is my grade
*Wednesday, February 1, 2012 at 3:57pm*

**chem grade 12**

Consider the following substance: Al2(SO4)3 What is the oxidation number of: a) aluminum b) sulfur c)oxygen
*Tuesday, January 31, 2012 at 9:49pm*

**8th grade math**

1. The area shown below will be used for the elementary school playground. What is this area? How much fencing is needed to enclose the playground? Use 3.14 for the value of pi. d= 4 yds for the half circle, w=10 yds. for width of rectangle, and length = 4 yds. and 3 yds for ...
*Tuesday, January 31, 2012 at 8:14pm*

**social studies - 2nd grade **

i have a test tomorow . so can you help me ? thank you.
*Tuesday, January 31, 2012 at 7:25pm*

**math**

A test has 125 items. Each correct answer earns 1point and 65 percent is a passing grade. If you get 42 answers wrong will you pass? Show working
*Tuesday, January 31, 2012 at 7:09pm*

**7th Grade Science**

Can anyone tell me where I can find information for this question. How are proteins synnthesized made?
*Monday, January 30, 2012 at 5:25pm*

**math 7th grade**

What does it mean to ring four integers that yield a sum. The sum is 2.
*Monday, January 30, 2012 at 4:36pm*

**Reading**

What is a 6th grade definition for the word "Seraph"
*Monday, January 30, 2012 at 3:17pm*

**ENglish**

Can you look over this esssay and tell me what grade you think it deserves?
*Monday, January 30, 2012 at 2:30pm*

**3 grade math**

write to explain- when you divide 24 by 6, what fraction of 24 are you finding? find the answer.
*Sunday, January 29, 2012 at 7:31pm*

**7th grade science**

what are intermediate forms of species for gradualism and punctuated equilibria? Please help!! Thank you!!
*Sunday, January 29, 2012 at 6:54pm*

**7th grade science**

What are mass extinctions?
*Sunday, January 29, 2012 at 6:08pm*

**5 grade english**

write about your actions your abservations and your thoughts. remember you are the person.(Michael Jackson)
*Sunday, January 29, 2012 at 2:03pm*

**5 grade science**

what was your hypothesis? explain the process that your followed to determine the results for your experiment.
*Sunday, January 29, 2012 at 1:07pm*

**3 grade english**

write three sentence about whale. use present tense in one sentence, past tense in one sentence, and future tense in one sentence.
*Sunday, January 29, 2012 at 12:02am*

**social studies - 2nd grade**

how do people change the environment? How do people change my community? i have a project on this can you please help me? thank you
*Saturday, January 28, 2012 at 6:24pm*

**6th grade math**

does the word difference mean minus and if so..... am i correct to say 0-12 = 0 ? PLEASE ADVISE. THANK YOU IN ADVANCE FOR YOUR HELP.
*Saturday, January 28, 2012 at 12:27pm*

**geometry**

if I want a ramp with a 30 foot length, and a 5 percent up grade starting at 0, how high will the tall end be?
*Friday, January 27, 2012 at 10:06pm*

**business communication**

revise sentence on a 10 grade level. It is imperative that consumers be unrestrained in determining their preferences.
*Thursday, January 26, 2012 at 9:45pm*

**math**

3rd grade create an algorithm that has a difference of 20
*Thursday, January 26, 2012 at 8:59pm*

**7th grade Lang. Art**

Which word in caps makes more sense? Every year the professional football season (CULMINATES, BROODS) in the super bowl. Please help thank you
*Wednesday, January 25, 2012 at 10:59pm*

**Math 4th Grade**

Adult Tickets are $5 Child Tickets are $2 There are twice as many children as adults at the concert. The total amount collected was $1,080. How many adults are at the concert?
*Wednesday, January 25, 2012 at 9:49pm*

**8 Grade Math**

At the same time that a flagpole casts a 4.5 m shadow , a meter stick casts a 1.5 m shadow. How tall is the flagpole ?
*Wednesday, January 25, 2012 at 9:34pm*

**science**

answer to 5th grade science question: a man is in a boat and he loses his paddles, he has 10 fish, a beach ball, and 2 sandwiches with him, how does he get back to shore without getting wet?
*Wednesday, January 25, 2012 at 8:30pm*

**7th grade Lang. Art**

which word in caps makes more sense? Though the colonies long (SEETHE, SINGE) with resentment at the British, the cauldron of their discontent did not boil over into rebellion until 1776. Please help thank you
*Wednesday, January 25, 2012 at 6:57pm*

**math**

Kelly opened a savings account with $500 she received at 8th grade graduation four years ago. The account pays 2.5 percent compounded daily. How much should be in the account now?
*Wednesday, January 25, 2012 at 2:41pm*

**7th grade Lang. Art**

Please find the synonym of this word: APPEAR List of words to choose from: animated brood culminate downright drone goad indulge literate loom luster miscellaneous oration peevish seethe singe unique upright verify yearn please help thank you
*Tuesday, January 24, 2012 at 7:32pm*

**Science**

Is the meaning of an application in science 'how is it used in the real world'? Yes or No. If no, please write what the real definition is, in 6th grade language for me to understand.
*Tuesday, January 24, 2012 at 6:01pm*

**5th grade math**

T = t-shirts & S = shorts T + T + S + S = $42 T + S + S + S = $45 HOW MUCH IS A PAIR OF SHORTS? EXPLAIN HOW YOU FOUND THE ANSWER.
*Tuesday, January 24, 2012 at 2:49pm*

**5th grade math**

T = t-shirts & S = shorts T + T + S + S = $42 T + S + S + S = $45 HOW MUCH IS A PAIR OF SHORTS? EXPLAIN HOW YOU FOUND THE ANSWER.
*Tuesday, January 24, 2012 at 2:44pm*

**Math**

My son is grade 4 his homework have question is : when you multiply any number by 1,what is the product ? Please help !!!!
*Monday, January 23, 2012 at 8:46pm*

**Grade 10 Math**

how many integer values are there for K for which 4X squared plus KXY minus 9Y squared is factorable
*Monday, January 23, 2012 at 8:30pm*

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