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September 20, 2014

September 20, 2014

Post a New Question | Current Questions

**8th grade science**

I need help figuring out this on a food web. It goes from a flower to a butterfly to a frog to the bird to a coyote. Now I have to label them. I got them all however i do not know what the frog and bird is. HELP!! :-)
*Tuesday, February 1, 2011 at 3:56pm*

**8th grade science**

Can a secondary consumer be eaten by another secondary consumer? Thanks! :-)
*Tuesday, February 1, 2011 at 3:37pm*

**8th grade Algebra**

Marianna's rectangular garden is 15 yards long and 10 yards wide. She wants to stretch a wire for hanging lights from one corner of the garden to the opposite. About how long should the wire be?
*Monday, January 31, 2011 at 12:13pm*

**8th grade Algebra**

Sharon and her camping group hiked 6 miles due north, stopped for lunch, and then hiked 8 miles due west, stopping at ther campsite for the night. What is the straight line distance from their original starting place to the campsite?
*Sunday, January 30, 2011 at 6:33pm*

**8th Grade Math**

I have an input output table, but I can't figure out the rule. Input: 1, 2, 5, 7, 10 Output:5, 15,?, ?, ?
*Thursday, January 27, 2011 at 8:48pm*

**8th grade Science**

How do I show work for Si + Cl ?? The answer is SiCl with a little 4 down below the Cl. but I don't know how to show the work.
*Wednesday, January 19, 2011 at 10:32pm*

**math**

Ok, the problem says: a Middle school has 125 6th graders, 150 7th graders, and 100 8th graders. Which statement is NOT true? a. the ratio of 6th graders to 7th graders is 5 to 6. b. the ratio of 8th graders to 7th graders is 3:2. c. the ratio of 6th graders to students in all...
*Tuesday, January 18, 2011 at 10:13pm*

**8th grade Math**

Hi I need help with my math problem. It is: Name the function rule from the table given. Table- X= Y= -4 4 -2 2 0 0 answers: y = -x y = -4 y = 2x y = x I do not get how to solve this problem!
*Thursday, January 13, 2011 at 6:11pm*

**8th Grade Chemestry**

Helping my child study. Are there any online guides that can help me teach how to predict the products of a reaction. i.e. _ Ag(NO3)+ _ CaCl2 yields Really want to be able to teach my child how to do this rather than have the answer. Thanks
*Sunday, January 9, 2011 at 7:32pm*

**8th Grade Chemestry**

Helping my child study. Are there any online guides that can help me teach how to predict the products of a reaction. i.e. _ Ag(NO3)+ _ CaCl2 yields Really want to be able to teach my child how to do this rather than have the answer. Thanks
*Sunday, January 9, 2011 at 5:40pm*

**8th Grade Chemestry**

Helping my child study. Are there any online guides that can help me teach how to predict the products of a reaction. i.e. _ Ag(NO3)+ _ CaCl2 yields Really want to be able to teach my child how to do this rather than have the answer. Thanks
*Sunday, January 9, 2011 at 5:17pm*

**8th grade history **

Can anyone help explain this? when the course of human events it becomes necessary for one people to dissolve the political bands which have connected them with another and to assume among the powers of earth the separte and equal stations to which the laws of nature and of ...
*Tuesday, December 14, 2010 at 6:44pm*

**8th grade math**

Can you please check my answer? A spherical balloon has a volume of 268 cubic cm. If more air is pumped in so that its radius is 3 times as long, what is its new volume? My answer: 2,412 cubic cm
*Monday, December 13, 2010 at 12:29pm*

**8th grade math**

Greta is designing a page for the yearbook and needs to know the area of her 8 in. x 10 in. picture after she crops it. If she makes the length and width of the picture 5/8 of the original, how does the area of the picture change?
*Monday, December 13, 2010 at 11:59am*

**8th grade**

When a truck pulls a trailer, the trailer and truck accelerate forward even though the action and reaction forces are the same size but are going in opposite directions. Why don't these forces balance each other out?
*Thursday, December 9, 2010 at 10:21pm*

**8th grade**

An alloy of metals is 25% copper .Another alloy is 50% copper. How much of each alloy should be used to make 1000grams of an alloy that is 45% copper?
*Thursday, December 9, 2010 at 8:39pm*

**8th grade math**

Matt has twice as many quarters as dimes in his coin collection. If the dimes and quarters together total $9.00 how many of each kind of coin does he have?
*Tuesday, December 7, 2010 at 7:39pm*

**8th grade science**

A 1 kg ball moving at 3 m/s strikes a 2 kg ball and stops. If the 2kg ball was initially at rest, find its top speed after the collision
*Wednesday, December 1, 2010 at 9:22pm*

**8th grade**

draw a diagram showing the motion of a satellite around Earth. Draw the force vectors acting on the sattelite. Is the sattelite accelerating?
*Wednesday, November 24, 2010 at 5:09pm*

**8th grade math**

there are 3500 species of bees and more than 600,00 species of insects. how many insects are bees. write an inequlity.
*Saturday, November 20, 2010 at 12:15am*

**Math**

The 8th grade class is taking a field trip to a concert. Your bus averages 40 mph in the heavy traffic driving to the concert and 60 mph returning home. The total travel time is 2.5 hours. How far away is the concert? How long did it take to get to the concert?
*Tuesday, November 16, 2010 at 9:44pm*

**8th grade science**

1.) How does reading across a periodic table compare and contrast with reading down a group on the periodic table?
*Monday, November 15, 2010 at 8:05pm*

**8th grade science**

1.) How does reading across a periodic table compare and contrast with reading down a group on the periodic table?
*Monday, November 15, 2010 at 8:05pm*

**8th grade math**

7z-z can someone please check my answer for the above math question. My answer is 62 is this correct?
*Saturday, November 13, 2010 at 6:25pm*

**8th grade science**

Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved stretches at either end. Where on the track does Peggy experience balanced and unbalanced forces? Explain your answer.
*Thursday, November 11, 2010 at 7:04pm*

**8th grade science**

Peggy is runnig around the school track at a constant speed. The track has two straight stretches on the sides and two curved stretches at either end. Where on the track does Peggy experience balanced and unbalanced forces? Explain your answer.
*Thursday, November 11, 2010 at 6:03pm*

**8th grade math**

According to the U.S. Census Bureau, in 2009 men comprised an estimated 93.2% of the veterans in the United States. What is the number of women veterans in the United States in 2009? Express your answer to the nearest whole number.
*Wednesday, November 10, 2010 at 2:49am*

**8th grade math**

A company reported that it made a profit of 8% as a percentage of sales and that its sales revenue was $25,000. How much profit did the company make? my answer: $2,000
*Monday, November 8, 2010 at 6:56pm*

**8th grade math**

A company's cost of doing business in a recent month was $18,000. Their revenue on sales for that month was $27,000. What percent profit as a percentage of sales did the company earn? my answer: 33 1/3%
*Monday, November 8, 2010 at 6:46pm*

**8th grade math**

Can you please check my answer? Selena recieved $42 commission for selling a computer for $1400. What percent is her commission? my answer: 3%
*Monday, November 8, 2010 at 6:22pm*

**8th grade math**

Can you please check my answer? Marcia wants to make muffins and needs 3/4 cup of a cup of sugar. She discovers, however,that she has only 2/3 of a cup of sugar. How much more sugar does she need? my answer: 1/12 of a cup
*Monday, November 8, 2010 at 12:15pm*

**8th grade**

A store that personalizes shirts chargers $20 for a shirt plus $.75 for each letter. Write an algebraic expression for the cost os "t" shirts using "n" letter each.
*Friday, November 5, 2010 at 2:52am*

**8th grade math**

What is 25% of $20.00. What is the total cost of the item? I multiplied 20 x .25 and my answer was 5.00 Then I subtracted 5.00 from 20.00 making my final answer $15.00 for the item. Please tell me if this is correct.
*Tuesday, November 2, 2010 at 5:24pm*

**Math 8th grade algerbra**

a cylinder has a radius of 3cm and a length of 10cm every dimention of the cylinder is multiplied by 3 to form a new cylinder how is the ratio of the volumes related the ratio of corresponding dimensions? how would i do this?
*Wednesday, October 27, 2010 at 11:00pm*

**Language Arts 8th grade**

Archaic-that which has ceased to be used except for special purposes as in poetry or church ritual some words like thou are archaic list as many words that you can think of that would be considered archaic. i cant think of anymore please help!
*Wednesday, October 27, 2010 at 10:51pm*

**8th grade**

Please help me how you get the answer. PLEASE I NEED HELP. A triangle sail has a perimeter of 25 m. Side a is 2 m shorter than twice side b, and side c is 3 m longer than side b. Find the length of each side. Thank you ver much for helping me
*Wednesday, October 27, 2010 at 6:53pm*

**8th grade**

when a truck pulls a trailer the trailer and truck accelerate forward even though the action and reaction forces are the same size but are in oppsoite direction. Why don't these forces balance each other?
*Monday, October 25, 2010 at 4:40pm*

**8th grade**

mr. macho ate 125 hotdogs over a five day peroid each day he ate seven more hotdogs than the previous day. how many hot dogs did he eat on the first day.
*Sunday, October 24, 2010 at 7:46pm*

**8th grade math**

The equation d=3.5t + 50 represents the distance in meters,d, that a cyclist is from his home after t seconds. Which pair of values represents a points on the graph of this equation? Explain your answer. (10,85) (0,0) (3,60.5)
*Wednesday, October 20, 2010 at 10:40pm*

**8th grade**

Ryan left musuem and drove south. Gab left 3 hrs later driving 42 km/h to catch up to him. After 2 hrs gab finally caught up. find Ryan's averae speed?
*Friday, October 15, 2010 at 2:42am*

**8th grade**

Sam Squeeze has 10 quarts of a drink that is 60% organge juice. how much pure orange juice must he add to get a drink that is 75% orange juice?
*Tuesday, September 28, 2010 at 3:00am*

**8th grade**

Sam Squeeze has 10 quarts of a drink that is 60% organge juice. how much pure orange juice must he add to get a drink that is 75% orange juice?
*Tuesday, September 28, 2010 at 2:59am*

**8th grade**

Find the number of Calories in a grapefruit and an orange. (1) An orange has 15 more Calories than a grapefruit. (2) Twenty oranges and ten grapefruit have 1800 Calories.
*Monday, September 27, 2010 at 11:13pm*

**8th grade math**

my project is to complete the October calendar, using the following variables in algebric expression to represent each day in the month. Each expression must include all four variable using each variable exactly one. a=1 b=2 c=3 d=4
*Monday, September 20, 2010 at 10:10pm*

**8th grade**

Dimensions of a paper cup. The volume of a paper cup, shaped like a circular cone is 30pie cubic centimeters. The radius of the top of the cup is 3 centimeters. What is teh height of the cup?
*Wednesday, September 15, 2010 at 11:03pm*

**8th grade,math/probability**

i really need help on this,and i need an answer quick as possible! >< what is the probability of picking a white sock and then a brown sock from a sock drawer,if it contains 10 whites,5 browns,and 8 multi-colored socks?
*Tuesday, August 31, 2010 at 3:06pm*

**8th grade math**

The area of Manhattan Island is 641, 000,000 square feet. According to legend, the Indians sold it to the Dutch for $24. Estimate the area that was purchased for one cent.
*Thursday, August 26, 2010 at 9:34pm*

**8th grade math**

a bank contains 35 nickels, dimes, and quarters. There are four more dimes than quarters and twice as many nickels as quarters. How many of each coins are in the bank?
*Wednesday, August 25, 2010 at 1:38pm*

**8th grade**

A leaky faucet fills a 100 millimeter cup in 10 minutes. 1.how much water is wasted in a day?a week?a non leap year? 2.How long does it take to waste a kiloliter of water? (hint:1 kiloliter=1000000 milliliters)
*Thursday, August 19, 2010 at 5:36pm*

**8th grade**

Right triangle ABC is similar to triangle XYZ because angle B is congruent to angle Y. If angle C equals 27°,what is the measure of angle Z?
*Wednesday, June 23, 2010 at 1:02pm*

**8th grade**

okay, heres the deal tomorrows my english exam in which i need to write a DESCRIPTIVE paragraph. i reaaaallllllly need a BROAD topic to write about, anyone got any ideas?
*Tuesday, June 8, 2010 at 9:30pm*

**Science- 8th grade**

What type of sand/rock is Malibu Beach made of and where did that sand originate?? I've been searching this for a while, but the only results I've gotten were for Beach Hotels.
*Thursday, June 3, 2010 at 6:43pm*

**algebra**

A plumber needs 4 sections of pipe 2and 7/8 feet long. Can this be cut from a 12 ft. section? If so, how much pipe will be left over? If not, why not? I came up with yes, you will use 11 1/8th amount and have a section of 1 and 1/8th left. Is this correct?
*Wednesday, May 26, 2010 at 7:35pm*

**English: Plagiarism, Clichés**

Is a Cliché phrase considered Plagiarism? (the author is dead more than 390 years ago.) Is it okay to use it in a writing piece or poem? Should/will it be penalized or will you be given punishment if only used in 8th grade? Thanks
*Sunday, May 23, 2010 at 12:23pm*

**Drug Abuse**

My 8th grade daughter is doing a poster for her 4-H poster project on Hooked on fishing not on drugs. And her topic is How do drugs effect others? Can you help her with some ways that drugs effects a drug abuser's family and friends?
*Sunday, May 16, 2010 at 7:50pm*

**english 8th grade PLEASE HELP!!!**

How can you identify a verb/verb phrase, and how can you tell if it is present, past, future, pres. perf., past perf., future perf.?
*Tuesday, May 4, 2010 at 6:43pm*

**8th grade**

Is -7*10^11 in scientific notation? If not, write it in scientific notation.
*Wednesday, April 28, 2010 at 11:17pm*

**8th grade Physics**

Explain whether the photons emitted by a bright light bulb are more energetic than those emitted by a dim light bulb of the same color. How does the color of the light bulbs determine the amount of energy of the electromagnetic waves?
*Tuesday, April 27, 2010 at 8:46pm*

**Math distance rate 8th grade test tmr!**

Two planes left Seattle at the same time, both traveling due east. One had the rate of 185 mi/h and the other had a rate of 225 mi/hr. After how many hours were they 220 miles apart?
*Wednesday, March 24, 2010 at 11:24pm*

**8th grade science**

a 10-liter sample of one type of crude oil has a mass of 8.20kg. What i the density? If this oil spilled on the ocean's surface, would it sink or float? explain answer in terms of density.
*Wednesday, March 24, 2010 at 9:41pm*

**8th grade**

What would be the right way to convert base 16 to base 10, such as for an example, 1BD base 16 to base 10?
*Sunday, March 21, 2010 at 4:12pm*

**8th grade science**

A glass of water is placed on a very sensitive scale and several antacids tablets are dropped into the water. The weight of the glass and its contents is less after the tablets dissolve than before the tablets dissolved. Tell how matter is conserved ? Please help! I couldn'...
*Tuesday, March 16, 2010 at 7:58am*

**8th grade Math**

i need some explanation on Area of Trapezoids and Parallelograms....? can some body explain how to find the area?
*Wednesday, March 3, 2010 at 3:33pm*

**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*

**8th grade Math**

In a quadrilateral , angle CAB is divided into two comgruent angles by line AD. What is the measure, in degrees of angle DAB. Angle B and D are 90 degrees. angle C equals 45 degrees.
*Tuesday, February 16, 2010 at 9:18am*

**8th grade science**

Please show me how to solve this problem. A person wearing a shoulder harness can survive a car crash if the acceleration is less that -300 m/s2. How far must the front end collapse if it crashes while going 101 km/hr? Thanks.
*Sunday, February 14, 2010 at 10:07pm*

**8th grade algebra**

the length of a rectangular garden is 5 feet longer than its width. The garden is surrounded by a 2-foot-wide-sidewalk. The sidewalk has an area of 76 square feet. Find the dimensions of the garden
*Thursday, February 11, 2010 at 11:17pm*

**8th Grade Algebra Confusion**

Hi. I am starting a new section in Algebra, and I thought I understood it. But when I went to the back of my book to check the answers, they were way off. We are dividing and simplifying radical expressions and equations.
*Wednesday, February 3, 2010 at 9:30am*

**8th grade**

a rabbit can climb one or two steps at a time on a ten step staircase, but he never goes back down. In how many different ways can the rabbit climb a flight of ten steps
*Tuesday, January 26, 2010 at 10:40pm*

**8TH GRADE MATH**

thank you so much, ms sue! may i ask another question? If 6 oz cost 3.25 20 oz cost 5.59 36 cost 6.59 how much would 12oz, 26 oz, 48 oz cost? Thank you so much! maribeth
*Sunday, January 24, 2010 at 8:43pm*

**8th grade**

hi, if 20 oz of fish cost 4.59, how much would 6, 12, and 36 oz cost? how would i plot this on graph paper? thank you! maribeth
*Sunday, January 24, 2010 at 2:23pm*

**8th grade**

how does placement of spacers between the eye bolt and magnets affect the strenght of the magnets pull on the eye bolt?
*Saturday, January 23, 2010 at 3:59pm*

**8th grade**

How do you evaluate (7 x 4 + 5 to the second power) divided by (8 - 1 + 7 to the second power)?
*Monday, January 4, 2010 at 10:06pm*

**8th grade**

Ms Pecho currently owes $637.50 in simple interest on a loan of $2500 at an annual interest rate of 17%. How long has she had the loan. This is his problem and I have no clue how to help him but I do know the answer he came up with is 18.77. That seems wrong to me.
*Thursday, December 31, 2009 at 12:32pm*

**8th grade science**

What law states that unlike charges attract each other while like charges repel each other?
*Thursday, December 17, 2009 at 12:39pm*

**U.S History- 8th grade**

What was the major difference between the three regions? (geographical difference) The regions are england, middle and southern.
*Sunday, December 13, 2009 at 9:14pm*

**U.S History- 8th grade**

What was the geography and economy like in the England colonies, middle colonies, and southern colonies? Do you guys know any good websites to check out?
*Sunday, December 13, 2009 at 9:05pm*

**8th grade history**

Name three reasons people left England to come and colonize the New World. They wanted riches, land, and place to start a new life. What happened to the people of Roanoke? They disappeared, and no one knows why or where they went. Are my answers right? I'm not very good at...
*Sunday, December 13, 2009 at 8:24pm*

**8th grade**

need help thank-you translate the verbal phrase into an inequality, then solve the inequality and graph your solution, the product of 6 and the difference of 6x and 3 is less than or equal to the product of -2 and the sum of 4 and 8x
*Monday, December 7, 2009 at 8:55pm*

**8th grade**

FILM PROCESSING COSTS $4.95, PLUS 0.35 FOR EACH PICTURE PRINTED. MILAN PAID $11.95 FOR PROCESSING AND PRINTING. HOW MANY PICTURES DID HE HAVE PRINTED?
*Wednesday, December 2, 2009 at 6:12pm*

**8th grade Algebra I (junior level math)**

Hello, I am currently in Unit 4-1 (Ratio, and Proportions) and I don't understand how pairs of ratios could form proportions. Could someone give me step by step instructions? Thank You
*Tuesday, December 1, 2009 at 7:14pm*

**8th grade**

I know the answer but how do i get my starting line ? Vancover recivers 3 times the amount of snow as toyko does together they recive 80 cm i can see that vancover will be 60 cm and toyko 20 cm but i do not know how to do it weird eh ?
*Tuesday, December 1, 2009 at 6:59pm*

**8th grade math**

John has already saved $40 and wants to buy an I-Pod for $129 in 4 months. To find how much he should save each week he wrote the following equation: 40+16n=129.
*Sunday, November 29, 2009 at 10:14am*

**8th grade math**

Hi i need one more example of this algebraic expression please. and explain please. Fig# Value 1 0 2 1 3 8 4 27 Math-Nick
*Sunday, November 22, 2009 at 1:28pm*

**8th grade**

Hi my class is doing a unit on patterns with algebraic expressions. And i need to find a difficult expression Figure# Term value 1 8 2 27 3 64 4 125 what is the algebraic expression and how did u do it? thank you. Math-Nick
*Sunday, November 22, 2009 at 12:18pm*

**8th grade Science**

Please help need ideas I am building a 3D model of a plant and animal cell. I need to show diffusion and osmosis movement within the cell.
*Sunday, November 15, 2009 at 8:34am*

**11th grade**

The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?
*Friday, November 6, 2009 at 12:30pm*

**8th grade History/English**

I need to name three influential pilots in Life on the Mississippi by Mark Twain. I already have two: Mr. Brown Mr. Bixby I need one more. Anyone know one?? Thanks!
*Sunday, November 1, 2009 at 1:44pm*

**8th grade math**

Fill in the blanks using 3 of these operation signs to complete each number sentence. * + - / (* means multiply) question 1: 12 ___6 ___4 ___ 2=24 question 2: (12 ___ 6) __ (4 ___ 2)=36
*Wednesday, October 21, 2009 at 6:05pm*

**8th grade**

Direct Variation: when you have a job that pays an hourly wage, the amount you earn varies directly with the number of hours you work. Suppose you earn $7.10/ hour working at the library.
*Saturday, October 3, 2009 at 10:55am*

**8th grade - science**

i have the same problem as before,only 3 more questions about it. please help!! how precise is the ruler originally used to measure the string? explain. what is the length of the string to the nearest centimeter? what is the length of the string to the nearest tenth of a ...
*Friday, October 2, 2009 at 10:26am*

**8th grade**

A JetBlue flight from Jacksonville, FL to San Diego is flying at 500 km per hour west. It encounters a head wind that is moving at 300 km per hour in an easterly direction towards the east. What is the net velocity of the plane, include directions?
*Wednesday, September 23, 2009 at 6:29pm*

**8th grade Math**

Adding Expressions with Square Roots 28x square root + 63x square root
*Wednesday, September 16, 2009 at 8:07pm*

**social studies**

how can social studies affect me iam a 8th grade student
*Monday, August 31, 2009 at 8:10pm*

**8th grade Math**

A fish tank 24 inches long, 16 inches wide, and 12 inches high is 3/4 full of water. By how many inches will the water level rise if you should add 576 cubic inches of water?
*Monday, August 24, 2009 at 12:54pm*

**8th grade**

Fine the complete subject or predicate of the sentence. then identify the simple subject or verb. Examble; The peaks of the undersea mountains rise above the surface of the water and form islands.
*Wednesday, August 12, 2009 at 9:13pm*

**8th grade**

I wanted to welcome you ASAP to our little family here in the States. It's high time we shook hands in person and not just across the sea. I'm pleased as punch about getting to know you all, and I for one will do my level best to sell you on America.
*Sunday, July 19, 2009 at 10:44am*

**8th grade**

Write a polynomial expression in simplest form that represents the difference between the area of the larger rectangle and the area of the smaller rectangle. Then find the difference when x=4.
*Wednesday, June 3, 2009 at 7:51pm*

**8th grade**

What is the degree of -5a2b + 4a2 -2b +5 also I need help in finding the product of x + 5 and 3x -2. also what is the product of -4x2 and x3 + 2x2 -5x + 3....I need the solutions..Thank You for Your help
*Tuesday, May 26, 2009 at 9:46pm*

**math 8th grade**

im stuck on a question and i dont kno wat the answer shud b... Is the square root of 8 + the square root of 10 the same as the square root of 8+10? Use a grid and lengths of line segments to give a geometric argument. thx for ur help ;]
*Monday, May 18, 2009 at 8:45pm*

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