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April 16, 2014

Homework Help: 8th Grade

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8th grade science
Duh!!! Obviously a Norway lobster would still be the same as a Norwegian lobster. They are from the same place! WOW!!
Monday, March 7, 2011 at 7:14pm

8th grade math
second side = s s+3 s 2s-4 s+3+s + 2s - 4 = 31 4 s = 32 s = 8 so 11 8 12
Monday, March 7, 2011 at 4:23pm

8th grade math
the first side of a triangle measures 3 cm longer then the second side the third side is 4cm shorter then twice the second side the perimeter is 31cm. how long is each side?
Monday, March 7, 2011 at 4:15pm

U.S.History- 8th grade
Could someone help me with this question? Which of the following groups of workers lived in poverty? nurses unskilled workes technicians immigrants I'm torn between unskilled workers and immigrants
Thursday, March 3, 2011 at 10:48am

8th Grade Science
I have to do a project and I have to have 9 or more physial and chemical properties of colloids and suspensions. I am soo stuck!!! Help!! Thanks!
Monday, February 28, 2011 at 7:15pm

8th grade math
well first off you have to eat a chicken then go to the bathroom and then eat your poop.
Wednesday, February 23, 2011 at 8:44pm

8th grade science
Why can high blood viscosity have negative effects? Also, name the medical condition that people can develop with high blood viscosity.
Thursday, February 17, 2011 at 3:31pm

Homophones/ 8th grade English
I know that i was asking if you could help me find the answer: example: what is the homophone for pail? pale what is the homophone for blue? blew what is the homophone for course? corse
Tuesday, February 15, 2011 at 2:49pm

Homophones/ 8th grade English
A homophone for "racecourse" would sound exactly the same. Homophones are words that sound the same, but are spelled differently and/or mean different things. bear/bare
Tuesday, February 15, 2011 at 12:04pm

8th grade Algebra
(5/100)*(5/100)=25/10000=0.0025 or .25%
Monday, February 14, 2011 at 1:49pm

8th Grade Algebra
If Julie draws a card from a standard deck of well-shuffled playing cards, what is the probability that he draws either an ace or a heart?
Monday, February 14, 2011 at 1:37pm

Spanish-8th grade-SraJMcGin please check
SraJMcGin please check-thank you very much in advance This is homework for Thursday
Wednesday, February 9, 2011 at 12:42pm

8th grade science
I already had that link! :-) Great minds think alike. I wanted some elses opinon before I submited my paper. Thanks!
Tuesday, February 8, 2011 at 6:34pm

Math
Help me please to simplify 8 to 8th power x 8 negative 8th power
Sunday, February 6, 2011 at 2:19am

math
The question that have is to simplify and write the answer in exponential notation using positive exponents 2 to 4th power x 2 -2 These are my choices a 4 to the 8th power b 2 to the 8th power c 4 to the 2nd power d 2 to the 2nd power
Saturday, February 5, 2011 at 10:47pm

8th grade Math
26*25*24*23*22=7893600 26*1*1*1*1=26 26/7893600
Friday, February 4, 2011 at 11:02am

8th grade physical sience
Well obviously if you are referring to the carbonate ion its ionic compound is CO3^2- so it would be gaining two electrons in the outermost shell. Therefore making the overall charge of negative two.
Wednesday, February 2, 2011 at 8:06pm

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 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

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 10:09pm

8th Grade Chemestry
You are sledding on a snow-covered hill at a speed of 6 m/s. There is a drop that increases your speed to 12 m/s in 4 s. Find your acceleration.
Thursday, January 13, 2011 at 6:16pm

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

Algebra 1 8th grade
yes definately the formula is (x - h)² + (y - k)² = r² plug number in and you get a different sized circle. There are tons of things you can do with this formula...but for your question...simply YES!
Wednesday, January 12, 2011 at 12:39pm

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 science
what is volume of an object if the mass is 12g ,gc before object is 50ml and gc after object is 60ml?
Thursday, January 6, 2011 at 7:26pm

8th grade science
Hi! For a research project from my science class I'm having trouble trying to find an answer to the following problem. How does the Man-o-War care for their young? Thanks!
Wednesday, January 5, 2011 at 4:14pm

8th grade science
Read something out loud, for about 4 1/2 minutes, the way you would in class. Count the words you've read. That should give you a general idea how long to make your essay.
Wednesday, January 5, 2011 at 11:51am

8th grade math
A = 3.14*r^2. A = 3.14*(2r)^2 = 3.14*4r^2. So the answer is a.
Saturday, December 18, 2010 at 2:29pm

8th grade math
A = LW A = 8 * 10 A = 80 sq. in. (5/8) * 8 = 40/8 = 5 (5/8) * 10 = 50/8 = 6.25 5 * 6.25 = 31.25
Monday, December 13, 2010 at 12:15pm

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 Math
THE LENGTH of a rectangular field is 6 m less than twice the width. the perimeter is 312 m. find the length of the field
Monday, December 6, 2010 at 2:43pm

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
I don't understand constant rate of change can you give me some examples. The graph I have shows the depth of the water in a vase over 8 days
Wednesday, December 1, 2010 at 7:50pm

8th grade math
69.99 - .2(69.99) - 5 = ? Is that more or less than $49? Insufficient data. You give no indication of the price of the DVD player itself.
Tuesday, November 30, 2010 at 9:45am

8th grade
5 * 88 = 440 78 + 88 + 94 + 79 = 339 440 - 339 = 101
Monday, November 29, 2010 at 6:49pm

8th grade
Tom had scores of 78, 88, 94 and 79 on his first four science tests. What must he score on the next test to have an average of 88?
Monday, November 29, 2010 at 6:18pm

8th grade
six 5-kg plates two 2-kg plates
Monday, November 29, 2010 at 1:54pm

8th grade
how many 2-kg and how many 5-kg plates go onto the bar to make 34-kg.
Monday, November 29, 2010 at 1:15pm

8th Grade Math
Just type 120*53 1/3 into Google search box and you get back 120 * (53 1/3) = 6 400
Sunday, November 28, 2010 at 5:22pm

8th Grade Math
53 * 120 = 6360 What happened to the third of a yard? 1/3 * 120 = ?
Sunday, November 28, 2010 at 5:14pm

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
advertising in arecent uear, outdoor advertisements amounted to 2.2% of all advertising dollars spent in the u.s. what fraction is this?
Sunday, November 21, 2010 at 9:19am

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

8th grade
(18 - (-4)) / ((-11) (-4) +2) = (18 + 4) / (44 + 2) = 22 / 46 = 11 / 23.
Friday, November 19, 2010 at 7:37pm

8th grade
At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading ...
Monday, November 15, 2010 at 10:40pm

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
J=31-q or 31-q=J
Monday, November 15, 2010 at 4:29pm

8th grade math
Translate the phrase to an algebraic expression. Justin had $31 before spending q dollars on jeans. How much money remains? Thank you
Sunday, November 14, 2010 at 8:03pm

8th grade math
is this expression correct? Question: translate 14 increased by y to an algebraic expression. my answer: 14 + y
Sunday, November 14, 2010 at 7:36pm

8th grade math
seeking help. Justin had $31 before spending q dollars on jeans. how much money remains? (translate phrase to an algebraic expression)
Sunday, November 14, 2010 at 7:07pm

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 physical sience
I THINK THE NUMBER OF ELECTRONS WOULD BE 2 AND PROTONS 3, ALTHOUGH THAT WOULDNT MAKE SENSE THAT A CARBONATE ION HAS A NEGATIVE CHARGE OVERALL.
Friday, November 12, 2010 at 11:43pm

8th grade science
At constant velocity on a straight section, she experiences no net force. On the curves, she experiences centripetal acceleration. This requires an unbalanced force
Thursday, November 11, 2010 at 8:05pm

6th Grade Math
I'm only in 5th but i can do a bit of 8th math.the 900 is correct. but the 27,000 isn't. EX 28,622. 5 or more raise the score 4 or less let it rest. hop this helps!!
Wednesday, November 10, 2010 at 8:15pm

8th grade math
You are missing data, you need to know either total number of veterans or the number of men. .068(total) = number of women veterans.
Wednesday, November 10, 2010 at 9:40am

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
two children are fighting over a toy pull on it from opposite sides .the result is stand off.explain this term of the net force
Sunday, November 7, 2010 at 12:13pm

8th grade math
Indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question. I don't understand your data. ">" means "greater than" and "^" indicates an exponent. Any value to the zero power...
Friday, November 5, 2010 at 10:40am

8th grade
5[6-2(5-3>to the zero power)] Please help so confused answer = -20 or 100 idk please help !
Friday, November 5, 2010 at 10:27am

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
Consider the equation 3x+5y=k, what values could k so that the x-intercept and y- intercept on teh equations graph would both be integers. explain.
Thursday, November 4, 2010 at 7:33pm

8th grade
This is just like that riddle~ Which is heavier, A pound of leather or a pound of feathers. You just add 20+10=30....
Thursday, November 4, 2010 at 6:59pm

8th grade
what is the area of a regular hexagon ABCDEF if AB= 2 units? express your answer in simplist form.
Wednesday, November 3, 2010 at 12:44am

8th Grade Math
-0.8*-1.5 + 0.005*-1.5(-0.001*0-3.1 + (-1.5*-1.5 + 3)), 1.2 + -.0075(0 -3.1 + (2.25 + 3)), 1.2 - 0.0075(-3.1 + 5.25), 1.2 - 0.0075*2.15, 1.2 - 0.016125, 1.183875.
Tuesday, November 2, 2010 at 11:40pm

8th grade
If there were 10 grams of iron and 20 grams of water what would the total amount be?
Tuesday, November 2, 2010 at 8:00pm

8th grade math
6/9 because the highest number that can be divided by both the numerator and the denominator is 11, so 66 divided by 11 is 6 and 99 divided by 11 is 9 so you get 6/9.
Monday, November 1, 2010 at 9:30pm

8th grade
there are no choices but the question also says it could mean a)the population is rapidly expanding,b)the population is stabilizing,c)the popuation is declining,d)a clumped population.
Monday, November 1, 2010 at 1:44pm

8th grade
"How to find a Topic for writing assigments" " How to search the library for current events" " Of what value is writing?" " How to I decide what I want to major in during college" " How do I prepare for college?"
Sunday, October 31, 2010 at 11:12am

Math 8th grade algerbra
yes,, (V,new)/V = 27,, and ration of dimensions is 3 (because it is tripled according to problem) now, how is 27 related to 3?
Wednesday, October 27, 2010 at 11:35pm

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

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
Who says it's not necessary? Believe it or not, 14-year-olds don't know everything! Your teachers are preparing you for high school and college. And yes -- you will grow up!
Monday, October 25, 2010 at 9:14pm

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
Please do not keep posting the same question -- especially since you posted this first about 5 minutes ago. Have patience!
Saturday, October 23, 2010 at 12:05pm

8th grade Science
Air mass depends on the number and kinds of molecules in air: Nitrogen, Oxygen, Carbon Dioxide, and others.
Thursday, October 21, 2010 at 4:39pm

8th grade math
All you have to do is plug in the points and see if they work. I'll do the first one for you. Try the others the same way. You can post them to get checked if you want. d=3.5t+50 10=3.5(85)+50 10=347.5 No.
Wednesday, October 20, 2010 at 10:42pm

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 math
do you mean 1/9 = a /(a + 24) ? just cross multiply! i.e. multiply the numerator of one side by the denominator of the other side (1)(a+24) = 9(a) solve for a.
Wednesday, October 20, 2010 at 1:40am

8th grade
to prevent any single group or institution in governement from gaining too much power an authority the framers divided the federal government into three branches legislative executive and judicial
Sunday, October 17, 2010 at 6:49pm

8th grade math
it would be 22/33. it would also be the lowest term. i believe.
Saturday, October 16, 2010 at 12:33pm

8th grade
Didn't Gab drive for 2 hours and Ryan for 5 hours ? But when they met, didn't the go the same distance ? look like just 5x = 2(42)
Friday, October 15, 2010 at 8:56am

8th grade math
Indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question. Right! 32 = 2^5
Thursday, October 14, 2010 at 1:23pm

8th grade arithmetic
That is a long way to ask you to convert 43/105 to a percent. 105 - 62 = 43 is, obviously, the number of World Series won by the National League, during that interval.
Wednesday, October 13, 2010 at 1:16am

8th grade
3.2 * 10^3 means to move the decimal point three places to the right (if the number is negative, move it to the left). 3200
Tuesday, October 12, 2010 at 10:33pm

math 8th grade
-r-10r=-11r (because -1-10=-11) n-4-9=n-13 (-4-9=-13) -4+7(1-3m)=-4+7-21m=3-21m
Thursday, October 7, 2010 at 1:57pm

8th grade
Could be an infinite number of answers. The perimeter of a rectangle is 2(width + length) For example if the width is 3y and length is 1y, then the perimeter would be 8y. Check to see if there is any other information given in your problem.
Thursday, October 7, 2010 at 8:27am

8th grade
I think what she is trying to say is, 3m=8m because you have to divide 3m by 8m.
Tuesday, October 5, 2010 at 8:08pm

8th grade math
the lesser of two consecutive even intergers is 10 more than one-half greater. Find the intergers
Tuesday, October 5, 2010 at 12:47am

8th grade
v = (1/3)(ð)(r^2)h 3v = ð (r^2)h 3v/ð = (r^2)h 3v/ð(r^2)= h
Monday, October 4, 2010 at 9:02pm

8th grade math
I don't see what else the question is asking. The equation is true when you find that x = -24. Substitute -24 in the original equation to prove that it is the correct value of x.
Monday, October 4, 2010 at 4:41pm

8th grade Social Studies
If we don't like the government's action, we can petition it to change its action. A good example is a dispute over our tax assessment. We can petition to have the assessment corrected.
Sunday, October 3, 2010 at 10:49pm

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