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April 16, 2014

Homework Help: 8th Grade

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8th grade algebra
or, algebraically, we want ((15.50)(5x) + (160)(2x))(1.12) = 1600 x = 3.59 since fractional vehicles are not rented, that gives us 5*3 = 15 bikes 2*3 = 6 scooters
Sunday, August 18, 2013 at 8:26pm

8th Grade Math
Since the diagonals bisect the angles, the figure is a rhombus, whose diagonals are perpendicular.
Saturday, August 10, 2013 at 5:43pm

Math 8th Grade
I have a bunch of nickels and quarters worth $7.85 in my [pocket. How do I write a system of equation to solve and determine how many of each coin I have!!
Wednesday, June 12, 2013 at 8:27pm

Math - 8th Grade
84.853 * 84.853 = _________ft^2
Wednesday, May 29, 2013 at 9:26pm

Precalc
Find a formula for the nth term if... a)the 8th term is 8 and the 20th term is 44 b) the 8th term is 4 and the 18th term is -96 thanks!! I am just confused how you do this if you dont know what n is.
Sunday, May 12, 2013 at 5:31pm

Science
How do I calculate between the race of two automobiles in kilometer speed this is a 8th grade science question
Monday, April 22, 2013 at 10:09pm

8th Grade Math
Area =πr^2 Circumference = 2πr Solve for r in first equation to put in second.
Saturday, April 13, 2013 at 1:25pm

social studies 8th grade
Can you please help me find an accurate map of The Treaty of Fontainebleau 1762? I am trying to complete a project and want to make sure it is accurate
Saturday, April 13, 2013 at 11:22am

8th grade math!!!!! :)
We do not do your homework for you. Although it might take more effort to do the work on your own, you will profit more from your effort. We will be happy to evaluate your work though. Give your answers first.
Friday, April 12, 2013 at 1:40pm

science 8th grade
yeah I am 100% positive it is "its kinetic energy plus its potential energy"! :-)
Tuesday, April 9, 2013 at 8:17pm

8th grade math
a 25 foot tall flagpole casts a 20 foot shadow.if aman with a height of 6 feet stands nearby what will be the lenght of his shadow?
Thursday, March 28, 2013 at 11:10am

8th grade math
derp
Thursday, March 21, 2013 at 7:31pm

MATH 8 HELP!!!
NYS 8th grade math curriculum 2013???? This year we have a BRAND NEW curriculum. I just want a list of units and topics in each unit because I want to know what I'm learning and what will I learn next (long story....) please help!!!!
Thursday, March 21, 2013 at 6:33pm

8th grade math Ms. Sue please
in connections too. are these answers at the top right? really need these to be right!
Thursday, March 21, 2013 at 12:17pm

ENGLISH/MATH/SCIENCE HELP!
You may find what you need here. http://www.google.com/webhp?source=searc​h_app#hl=en&sclient=psy-ab&q=nys+8th+gra​de+ela+test&oq=nys+8th+grade++test&gs_l=​hp.1.1.0i7l2j0j0i7.0.0.4.355.0.0.0.0.0.0​.0.0..0.0.les%3B..0.0...1c..5.psy-ab.lVS​1RZKxO00&...
Saturday, March 9, 2013 at 12:31pm

ENGLISH/MATH/SCIENCE HELP!
Is there any websites for teens to read short stories (or long), then you answer ONLY multiple choice questions, grade you, and to have a profile or something to see all of your grades if your making progress each time (to see if your improving). I want to improve my reading ...
Saturday, March 9, 2013 at 12:22pm

8th grade
I have the work sheet for this and the answer is IN BEEF FLAT does anyone know the answer for the worksheet saying what is the title of this picture??
Sunday, February 17, 2013 at 3:29pm

8th grade
I have the work sheet for this and the answer is IN BEEF FLAT does anyone know the answer for the worksheet saying what is the title of this picture??
Sunday, February 17, 2013 at 3:26pm

Science (8th grade)
.000136 / 1 = 2/x .000136x = 2 x = 2 / .000136 x = 14705.8823529 seconds = 40.85 hours ~~~~~~~~~~~~~~~~~~~~ 20 / 0.4896 m/h = ?
Sunday, February 10, 2013 at 1:34pm

Science (8th grade)
You just forgot to include the decimals :) a snail dosen't go over 4000 mph! Use common sense before turning these things in. Once said a turtle went 50 mph on a test,,, silly me
Sunday, February 10, 2013 at 10:45am

Math - 8th Grade
T1 = 60 + 59.53 = 119.53 s=Chantal time T2 = 119.53 * 1.0225 = 122.219 s. = 2 Min and 2.22 s. = Julia's time.
Saturday, January 26, 2013 at 7:40pm

Math - 8th Grade
what is 1.0225*1min,59.53sec? 1.0225*119.53=122.219=2 min 2.22sec
Friday, January 25, 2013 at 8:37pm

8th grade Math
I wish you hadn't put my name on this post. I've tried to find the answer, but I can't. I am not a math tutor. My skills are limited to simple problems.
Friday, January 25, 2013 at 6:48pm

8th grade science
Your instructor assigned this task so that you students can learn about the periodic table. Jiskha tutors do not help students cheat!
Tuesday, January 22, 2013 at 9:31pm

8th grade math
length (1/43)L = 4.2 L = 4.2 / 0.02326 L = 180.567 inches = 15.047 feet Follow that pattern for the height and width.
Wednesday, January 16, 2013 at 5:37pm

science 8th grade
write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize the benefits of the table to the chemical profession. Remember, the chemists have never seen such a table.
Tuesday, January 15, 2013 at 5:58pm

8th Grade Science I need help!!!!
I am pretty sure that it is the way that scientists uncover the truth about them and then putting threw a process to determine what the fossil is and where it was and how old it was... I mean I should know my uncle is a professional scienctist(:
Wednesday, January 9, 2013 at 9:29pm

Math
ok well thanks wud bout dis one? Use the table below. Round to the nearest tenth of a percent. 3. What percent of students are in Pre-K through 8th grade? 71.2% 4. What percent of students are in grades 9–12? 28.8% Population (in thousands) ...
Tuesday, January 8, 2013 at 11:24pm

8th grade math
working with the number of coins, you are told that q = d+8 now add the values: 10d + 25(d+8) = 550 10d + 25d + 200 = 550 35d = 350 d = 10 so, 10 dimes, 18 quarters
Tuesday, January 8, 2013 at 5:20am

8th grade math for Ms. Sue - last question please
If there is minus the inequality sign will change while equation dose not change e.g a<-3 that is a>-3 while a=-3 also a=-3
Tuesday, January 8, 2013 at 3:31am

8th grade math
He had dimes and quarters ... He has 8 more quarters than dimes equalling 5.50..., how do u solve ..
Monday, January 7, 2013 at 11:20pm

8th grade math
15 kids for every 100 adults .. How many adults are there!! ... He cant be half an adult ... So idk
Monday, January 7, 2013 at 11:17pm

8th grade math for Ms. Sue - last question please
equation says two things are equal x+y = 3 inequality says they are not, and in what way. x+y <= 3 x/2 > y+7 The big clue is equality and inequality
Thursday, December 27, 2012 at 11:15pm

8th grade math for Ms. Sue please check
You're very welcome.
Thursday, December 27, 2012 at 8:11pm

8th grade math for Ms. Sue please check
Yes, that's a good example. :-)
Thursday, December 27, 2012 at 7:52pm

8th grade math for Ms. Sue
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 don't know how to solve this or what the answer is. Please help!
Wednesday, December 26, 2012 at 9:11pm

8th grade Language Arts
I am writing a persuasive essay and I need some tips on making it persuasive. It is turning out to be just an essay, not a persuasive essay. Help!
Tuesday, December 18, 2012 at 10:31pm

8th grade math
the volume of a right circular cone is 2512 cm2 and its radius and height are in the ratio 5:12 find its radius and slant height?
Tuesday, December 18, 2012 at 12:22pm

Science 8R - help!
I need a definition for Lines of force (8th grade science regents level, ny)
Monday, December 17, 2012 at 9:48pm

8th grade
$20, $35 The shirts are $20 and the sweaters are $35
Sunday, December 16, 2012 at 8:49pm

Math - 8th grade
18 million = 18,000,000 = 1.8 x 10^7 You were right, whoever marked it wrong, is wrong!
Thursday, December 13, 2012 at 12:45am

Math - 8th grade
Express 18 million in scientific notation. I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.
Wednesday, December 12, 2012 at 9:42pm

8th Grade Math
Express 18 million in scientific notation. I answered 1.8 x 10 to the 7th and was wrong. I don't understand why? You are supposed to move the decimal 7 places to get 18 million. What did I do wrong? Thank You.
Wednesday, December 12, 2012 at 8:58pm

8TH GRADE ENGLISH
we are working on using verbs correctly, so is this sentence correct? (u either use:sit,sat, or set): The newspaper SAT on the table all afternoon last Sunday. is this correct?
Tuesday, December 11, 2012 at 8:25pm

8th Grade Science
Fe is Iron O2 is oxygen Fe3O4 is Iron Oxide or Ferrous ferric oxide
Tuesday, December 11, 2012 at 10:56am

Math 8th Grade Please help
shuttle from center = 6371+315 = 6686 km circumference = 2 pi r = 42,009 km went 240/360 of circumference = 28,006 km/hr
Wednesday, December 5, 2012 at 5:55pm

8th grade math
Oh my gosh its getting sooooo annoying sorry Ms. Sue! I keep forgetting my sister's name is still on here (we share a computer)
Wednesday, November 28, 2012 at 8:05pm

8th grade math
Find the interest earned on each account. $970 at 4 1/2% simple interest for 2 years. I don't know if I solved the problem correct please help: I = p x r x t = 970 x 0.42 x 2 = 814.8 I don't know what number to convert 1/4 to!
Wednesday, November 28, 2012 at 6:40pm

Algebra 8th grade please help!!!!!!
if the sides grow by a factor of 3, the area grows by a factor of 3^2 = 9 9*13 = 117
Wednesday, November 28, 2012 at 3:03pm

Algebra 8th grade please help!!!!!!
Please help!!!! :(
Wednesday, November 28, 2012 at 2:34pm

English 8R - help!!!!!
what's the definition for connotation is there a website that have a list of all 8th grade english vocab.
Monday, November 19, 2012 at 6:58pm

8th grade math
Charlie drives 9 mph faster, and it takes him 12/9 = 4/3 hours to catch up. He drives (4/3)*108 = 144 miles in that time
Saturday, November 17, 2012 at 9:00am

8th grade math - Ms. Sue please
I don't know.
Friday, November 16, 2012 at 10:16pm

8th grade math
What is the area.in square yards of a rectangular Field that is 25 yards long and 20 yards wide.
Tuesday, November 13, 2012 at 2:59pm

Help, Math 8th grade!!!!!
OOHHHH LOL know i feel stupid, thank you sooo much!! Sorry if im by saying i dont get it annoyed you or made you mad in any way :)
Tuesday, November 13, 2012 at 2:41pm

Help, Math 8th grade!!!!!
reflecting in the x-axis just changes (x,y) to (x,-y). So, just change the sign of all the y-coordinates.
Tuesday, November 13, 2012 at 2:30pm

8th Grade Math
Johanna carves a square block of wood that has on one side an area of 872 square inches. To the nearest integer, what is the length of the side?
Tuesday, October 30, 2012 at 5:07pm

8th Grade Math
Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block?
Tuesday, October 30, 2012 at 4:41pm

8th grade math
You can just look in the back of the textbook, but here is what it says: The equation will be either Ax = 1 or By = 1; the graph will be either a vertical or horizontal line.
Wednesday, October 24, 2012 at 8:57pm

math 8th grade
10(square root400 - 15) 10(20-15) 10(5)= 50 would this be correct?
Tuesday, October 2, 2012 at 9:45pm

math 8th please help
It is strange that i am in 7th grade and I know this and you do not.... Choosing a girl at random is more likely to happen because there are 5 more girls than boys.
Wednesday, September 26, 2012 at 7:37pm

8th Grade Algebra
spce./ the diameter of mars is about 9.4 kilometers. write 9.4 as a product. then find the value of the product.
Thursday, August 30, 2012 at 10:36pm

8th grade math
3x = 80 + x 2x = 80 x = 40 Your friend has 40 cards. How many do you have?
Monday, August 27, 2012 at 9:48pm

8TH GRADE MATH EXPRESSIONS
I answered your previous questions. Now it's your turn. How do you think you should solve this problem? I'll be glad to check your answer.
Thursday, August 23, 2012 at 9:44pm

8th grade Math
A man distributed 50 circular plates radius 7cm. To avoid rusting of them he electroplated them on both the sides at the rate of paise 50 per sq.cm. Find the expenditure of electrolpating
Thursday, August 23, 2012 at 10:01am

Algebra 8th grade
w * 2w = 30 2w^2 = 30 w^2 = 15 w = sqrt(15)
Thursday, August 23, 2012 at 12:19am

9th grade algebra/Ms Sue
Okay Ms. Sue. I am in 8th grade but I am taking Algebra with 9th graders. I am very confused with my previous problem. I have asked my Dad but we are both getting confused. Now I have come up with 22. Is this my correct answer?
Wednesday, August 22, 2012 at 9:59pm

Algebra 8th grade
The length of a rectangle is twice its width. If the area is 30 square units, find the dimensions of the rectangle.
Wednesday, August 22, 2012 at 9:57pm

american legion award???
Given to one 8th grade boy and girl in recognition of outstanding courage, leadership, scholarship, and integrity. ohh now it make sense, it's like valedictorian
Tuesday, August 21, 2012 at 10:00am

8th grade math
please help one blade of a fan is parallel to the floor. what degree of rotation of the fan puts the blade at the top of the fan
Monday, May 21, 2012 at 6:12pm

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

math 8th grade
perimeter of a rectangle is 32 in. wnat are the length and width that will give the rectangle the largest possible area? choices are 4in x 12in. ,5in.x 11 in.,7 in.x 9 in. ,8 in. x 8 in. i think 4 in. x 12in
Monday, May 14, 2012 at 9:32pm

math 8th grade
if length and width of a 3in. x5 ln. photo are tripled what scale factor relates the area 3,9,12,27 i answered 27 is this correct i tried 9 but got no answer
Monday, May 14, 2012 at 9:22pm

math 8th grade
22 points in game 1,18 points in game2, 20 in game 3 what was their mean score for these 3 games i answered 20 is that right
Monday, May 14, 2012 at 8:50pm

8th grade math
length and width of a 3ln. x 5jn. photo are tripled what scale factor relates the areas choices are 3,9,12,27 i chose 3 because it said triple is that right
Monday, May 14, 2012 at 8:31pm

Spanish-8th grade please check answer
There is something wrong with the way you have written the question. It has no verb. "te" is not a verb.
Monday, May 14, 2012 at 4:23pm

Soanish-8th grade please check answer
I'm not sure what they're asking in this question- are they asking where you are when you vacation? ¿Dondé te ustedes cuando de vacaciones? Answer-Yo estoy en Florida.
Monday, May 14, 2012 at 10:35am

8th grade science
If two skydivers are the same distance from the ground, the one with the greater mass will have greater aeilnoptt energy?
Wednesday, April 18, 2012 at 8:18pm

8th grade math
Each side of a picute is enlarged by 125%. If the original area was 88 square inches, what is the area of the enlarged picture?
Thursday, April 12, 2012 at 2:36pm

8th grade math
10%/1.25 = x/2 Solve for x by multiplying both sides by 2 and then dividing by 1.25.
Wednesday, April 11, 2012 at 12:03pm

Math 8th Grade
Try each one see which one isn't prime. You won't have to go far down the list.
Tuesday, April 10, 2012 at 11:06pm

Math 8th Grade
Which number serves as a counterexample to the statement below: All positive integers are divisible by 2 or 3 I need as much as possible.
Tuesday, April 10, 2012 at 10:07pm

8th grade math
You are making a box out of an 11in by 8in piece of poster board by cutting congruent squares out of the four corners and folding up the edges. To the nearest inch, what size square should you use to maximize the volume?
Tuesday, April 10, 2012 at 9:42pm

8th grade math
similar? Normally, when we gauge similarity, we speak of distances. But the base areas are a square of distance, so h1/h2=sqrt (A1/A2) so figure the square root of the ratio of areas, and you have it.
Tuesday, April 10, 2012 at 8:58pm

8th grade math
If the formula D(x,y) = (.7x,.7y) is applied to pre-image point (5, -7), what is the image point?
Tuesday, April 10, 2012 at 8:40pm

8th grade math
A quiz had only 3-point questions and four-point questions. The best possible score is 100, and there are 29 questions. How many 4-point questions are there?
Tuesday, April 3, 2012 at 6:23pm

science 8th grade
#10 is moisture (or water vapor) #13 is from west to east (at temperate latitudes such as North America and Eurasia, most of the time)
Wednesday, March 7, 2012 at 10:50pm

Ms.Sue (ONLY)
can you plz help me in science? PLZ HELP ME! YOU HELP ALL THE TIME! *begs* plz help! i am my knees!!!!! (really i am!) its called "science 8th grade"
Wednesday, March 7, 2012 at 7:36pm

science 8th grade
#13: Weather in our atmosphere moves in what direction? THIS ONE IDK IF RIGHT! #12: The rays of the sun strike Earth most directly __________. (my answer): over the equator.
Wednesday, March 7, 2012 at 6:57pm

8th grade math
2x = y + 1/2 Subtract y from both sides. 2x - y = 1/2 Done! Check out "khanacademy" for video's on how to solve Alebra problems.
Tuesday, March 6, 2012 at 9:43am

8th grade math
how do you make an equation that is parallel to another equation? how do you make an equation that is perpendicular to another equation? please help and explain. Thank you.
Sunday, March 4, 2012 at 9:18pm

8th grade math
How do you turn these equation into a standard form? this is the standard form: ax+by=c here are the following equations: 2x = y + 1/2 y - 2 = 1/4x + 1 3y + 3 = 6x - 15 Please help and explain. Thank you.
Sunday, March 4, 2012 at 9:09pm

8th grade math
2x=y+1/2 how do you turn this equation into an equation that is ax+by=c? Please help and explain. Thank you.
Sunday, March 4, 2012 at 8:38pm

Science 8th grade
It is understandable that cash makes people disembarrass. But how to act when someone doesn't have money? The one way is to receive the home loans and car loan.
Sunday, March 4, 2012 at 7:24pm

8th grade math
this is what the problem says Find five pairs of numbers for shirt and cap sales that will allow the students to make a $600 profit exactly. I want to know how to write the equation/formula and how to solve it
Thursday, March 1, 2012 at 9:47pm

8th grade math
I need someone to explain how to solve equations with two variables and tell me what the formula or equation is? Please help and explain. Thank you!
Thursday, March 1, 2012 at 9:36pm

Spanish-8th grade
Thank you Ricardo-it was a spelling mistake with te should be de but I see where I made the other mistake. Thanks again.
Wednesday, February 29, 2012 at 8:29pm

8th grade math
"symbolic reasoning" means using symbols to aid in solving (reasoning) problems. For example: 1. After learning addition and substraction, first graders are asked, "What number must be added to 2 to make it equal 5?" They can understand something like this ...
Sunday, February 26, 2012 at 9:26pm

8th grade math
Pr(2B:1b)= 13/(13+12)=13/25
Tuesday, February 21, 2012 at 10:08pm

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

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