March 27, 2015

Homework Help: 8th Grade

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Science 8th grade
A cell digests proteins through a ___________ process? Where I can I get some information on this thanks
Saturday, March 22, 2008 at 6:45pm

8th grade Science
How does the behavior of atoms and molecules differ between solids liquids and gasses?
Saturday, March 15, 2008 at 10:50pm

IPC 8th grade
a motor does 5,000 joules of work in 20 seconds. What is the power of the motor.
Thursday, March 13, 2008 at 1:38am

math-8th Grade
I'm stumped. Would someone please guide me? The question is: 175% of a number is 50. What's the number? Thank you!
Tuesday, February 12, 2008 at 6:27pm

8th Grade Science
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

science(8th Grade)
List three things aboout Minerals of the Earth Crust Author Holt Rinehart & Winston
Wednesday, September 13, 2006 at 8:29pm

Science 8th Grade
1. How Will resistance change when the voltage increases in an electrical circuit if the current remains constant A. It will decrease **** B. It will stay the same C. It will increase D. It will decrease, then increase
Tuesday, March 3, 2015 at 6:17pm

how many tiles 10cm by 25cm on each side is needed for a bathroom 8m by 10m? I need help on how to solve it... I learned how to do this in 8th grade but I'm now in 10th and I forgot how to do it. I'm preparing for the highschool exit exam and I need to do this problem ...
Monday, February 16, 2015 at 7:17pm

This is Engish 8th grade: So in my book titled "The Raven" by Edgar Allen Poe, the bird sits on the bust of Athena the goddess but my homework is asking my why Poe choose Athena and not another god or goddess and how does she go with the story... Please help thank you!
Tuesday, February 3, 2015 at 9:59pm

. 8th grade math
. Mkay ! So, one molecule of nitrogen reacting w/3 molecules of hydrogen makes 2 of ammonia. How many molecules of nitrogen must react w/42 molecules of hydrogen to make 28,of ammonia?
Wednesday, January 21, 2015 at 10:54pm

8th Grade Geometry
given that triangle ABC~ triangle XYZ, angle a=50, angle x=(2x+5y), angle z= (5x+y), and that angle b =(102-x), find angle z.
Sunday, January 11, 2015 at 1:33pm

Is there a site or someone who can help me, im not getting the basic algebra...I need someone or a web site that will help me understand the basics of algebra. PLZ HELP Im in 8th grade
Thursday, January 8, 2015 at 6:44pm

8th grade math
iPhone is designing a smart phone with a square screen. The area of the screen will be 169 cm with an exponent of 2. What is the height of the screen? I think the answer is 13. Am I correct.
Wednesday, January 7, 2015 at 6:41pm

8th grade math question..
Lashonda found a recipe that makes 2 1/2 dozen cupcakes and requires 1/4 cup of vegetable oil. If she makes 90 cupcakes for a family reunion picnic, how much vegetable oil will she need?
Thursday, November 27, 2014 at 12:34pm

8th grade Math help
PLEASE HELP!!! Anita hikes 7 miles due east and then 3 miles due north. Rounded to the nearest mile, what is the shortest distance from the starting point to the ending point? A. 4 B. 6 C. 8 D. 10 I think it's B. am i right?
Wednesday, October 15, 2014 at 5:49pm

History, Urgent
Settlements in America were not sponsored by: London Company Raleigh De Soto Dutch West India Company Its for a friend, 8th grade history
Friday, October 3, 2014 at 10:24am

Mathematics C 8th grade
Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2.4 h, and Car B traveled the distance in 4 h. Car A traveled 22 mph faster than Car B. How fast did Car A travel? _______MPH
Friday, October 3, 2014 at 8:25am

8th grade math
At 2pm the temperature is 22 degrees, by 4am it is negative 7 degrees. We think the answer in the change of temperature is 29 degrees am I right?
Tuesday, September 30, 2014 at 7:44pm

8th grade Math
At 2pm the temperature is 22 degrees, by 4am it is negative 7 degrees. We think the answer in the change of temperature is 22 degrees am I right?
Tuesday, September 30, 2014 at 6:51pm

8th Grade US History
How is manifest destiny important to our past and future? How is it important? I dont really get what manifest destiny is... all we did in class is read O'Sullivans document called Manifest Destiny
Wednesday, September 24, 2014 at 6:38am

8th grade homework
Please help me I beg of you! My math teacher is awful and I have no idea how to do my pretest and she's picky about showing my work so it would be helpful if you could explain :) 1.six is subtracted from a number. The result is devided by four. This result is added to 10 ...
Sunday, September 14, 2014 at 12:20pm

8th Grade math
a student says there can only be 360 different rays emanating from a point since there are only 360 degrees in a circle. Is this true? Why or Why not?
Thursday, September 11, 2014 at 12:14am

8th grade math
mr.nelson sold 147 bags of popcorn and 216 of water in 3 days. at this rate how many more bottles of water than bags of popcorn will mr. nelson sell in 5 days?
Tuesday, September 9, 2014 at 8:36pm

8th grade math
a survey said that 60 people voted against new environmental restrictions that were on the ballot. that constituted 30 percent of those who voted. how many people voted in all?
Tuesday, September 9, 2014 at 7:13pm

8th grade math
a square photo display board is made up of 60 rows of 60 photos each. the area of each square is 4 in. how long is each side of the display board?
Wednesday, September 3, 2014 at 7:21pm

who ever will help me I do not understand this problem? Solve each exponential. Give the exact value of x 6^x = 1/36 3^x = 8 I really do not understand at all I have not taken algebra since 8th grade and went back to school at 67, Thank you if you wish to help me understand ...
Tuesday, May 13, 2014 at 2:25pm

8th grade science
If you see that a hot-air balloon is rising above the top of a hill, what is the top of the hill called?
Thursday, May 1, 2014 at 7:59am

there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)
Monday, March 24, 2014 at 3:14pm

Science 8th Grade
What was the hiker's average velocity? Distance = 6km West Starting Time = 9:45 Ending Time = 10:45 A. 4.0 km/h south B. 0.10 km/h north C. 10 km/h south west D. 6 km/h west
Friday, February 14, 2014 at 11:08am

8th Grade History
In which region do rivers flow into a basin but evaporate before they make it to a larger body of water? A.the Coastal Plains B.the Great Plains C.the Great Basin D. the Everglades Thank ya!!! <3
Saturday, January 25, 2014 at 4:58pm

in a game a toy car slides down a slop if the top of the slope is 2 m higher than the foot of the slope how fast will the car be moving when it reaches the foot assume that all of its g.p.e is transformed to k.e (i'm 8th grade so simple answers pleas)
Saturday, January 18, 2014 at 2:10am

8th Grade Earth Science Help?
Which of the following terms refers to the time it takes for one-half of the radioactive atoms in a sample of a radioactive element to decay? - relative age - absolute age - potassium-argon data - half-life** Is my answer correct?
Tuesday, January 14, 2014 at 7:05pm

8th Grade Algebra
Taylor's front porch is rectangular. The length is 3 feet more than the width. The perimeter of the porch is 14 feet. What is the width of the porch?
Saturday, January 11, 2014 at 6:40pm

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

8th Grade Writing
That's great! that was my main idea but how would he be able to get the money from his brother anyway? so far i have made it so that the guy kidnaps his brother and his brother's wife. the daughters going to save them but how would he take the money?
Saturday, December 14, 2013 at 5:28pm

8th Grade Writing
Hello, I'm writing a story adn was wondering if someone could give me realistic reasons as to why a brother would kidnap hid brother? thats kind of what happenes in my story. the brothers are like 50 years old though. thank you!
Saturday, December 14, 2013 at 3:24pm

in an ap the difference is between the 8th and 4th term is 20 and the 8th term is one and the half times the fourth term what is the common difference
Friday, November 8, 2013 at 4:44am

8th grade reading ! please help !
I have a presentation due tomorrow on a connection that I made with the Anne Frank Remembered novel but I cant think of an item that I can connect to the novel.. I need help. It has to be one paragraph about the connection and it can be a song,poem,or object. Please help me !
Monday, September 23, 2013 at 9:59pm

8th Grade Math
Write an equation and show all work. The sum of three consecutive odd numbers is 111. What is the smallest of the three numbers? (I don't understand the question >.<)
Sunday, September 22, 2013 at 10:04pm

8th grade math HELP URGENT!!!
Solve Each equation by first dividing each side of the equation by the number outside the parentheses. When would you recommend using this method to solve an equation? Explain. A. 9(x-4)=72. B. 8(x+5)=60
Thursday, September 12, 2013 at 9:11pm

Urgent 8th Grade Language Arts
How is the word street used in the sentence below: Street cleaners can often be seen on our block in the very early morning. adjective*** adverb noun pronoun Am I right Ms.Sue?
Monday, September 9, 2013 at 12:46pm

8th Grade Language Arts
Which of the sentences below contains an action verb? The rose for Staci's mother might be in the car. Staci smelled the rose.*** The rose is red. The rose smelled sweet. Am I correct?
Thursday, September 5, 2013 at 11:19am

8th grade math
On my math worksheet it says, and I quote "Describe the following pattern(s) and determine the next two terms:" and then this little booger comes up. And honestly, I can't figure it out for the life of me! So if you could help it would be greatly appreciated! ...
Sunday, August 25, 2013 at 6:39pm

Math - 8th Grade
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

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

8th Grade Math
I need help on the following please? A group of clowns performs in a ring with an area of about 2,123 square feet. What is the circumference of the ring? Choose the closest answer. 156 ft. 52 ft. 163 ft. 82 ft. Thank You. Please explain the answer
Friday, April 12, 2013 at 9:10pm

8th grade math
In the original design for the livingroom genivie ve planned to have a 6ft by 8ft floor rug made after looking at the budget however she discovers she only had enough money to make a .75 times the size of the original how much fringe must she purchase to outline the new rug.
Monday, March 25, 2013 at 7:22pm

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

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

Science (8th grade)
I still am confused about the snail lab things... Ms. Sue helped me with the calculate, but I still have a question... Calculations: .136 cm/s .000136 m/s .4896 m/h Calculate how long it will take your snail to cross a sidewalk(2m) cross a road(20m). How would I do that?
Sunday, February 10, 2013 at 11:59am

Science 8th grade
There are two clouds of material: one with widely spaced objects with small masses and one with closely packed objects with larger masses. What is more likely to form a solar system, the first or second? Use gravity to explain your answer.
Friday, January 25, 2013 at 6:17pm

8th grade science
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. i want you to give me an advertisement.
Tuesday, January 22, 2013 at 9:26pm

8th Grade History
which group best fits this sentence: groups: African Americans, Asian Americans, Mexican Americans, Native Americans Sentence: Many members of this group turned dry, barren lands into profitable farms. Others worked in lumber mills, canneries, and mines
Monday, January 21, 2013 at 6:38pm

8th grade Math
kimberly used coupons worth $1.00 off and $1.25 off and two coupons for $1.50 off. if the discount of each of these coupons were doubled, how much would kimberly save?
Wednesday, January 16, 2013 at 5:49pm

8th Grade MATH
a pack of 8 collectable cards contains 1 rare card, 3 uncommon cards, and 4 common cards. If Javier has 45 packs of cards, how many more uncommon cards does he have than rare cards?
Wednesday, January 16, 2013 at 5:45pm

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 math !
Miss wilson is going on a field trip... she needs one adult for every 15 students ... There are 100 students going on the trip many adults are going .., I got 6.7 but u can't have half of an adult lol Plz help...
Wednesday, January 9, 2013 at 2:48am

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

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 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! You said: Denise has $50 and wants to buy two new shirts. She ...
Wednesday, December 26, 2012 at 9:40pm

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

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

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

Math 8th Grade (Ms. Sue) ?
An artist makes a painting that is 12 feet by 9 feet. He paints a frame around the painting. The frame is 3 inches wide. What is the area of the frame? Please provide formula for figuring out. Answers (a)10.75ftsq(b)10.5ftsq (c)12.96ftsq(d)5.3125ftsq Thanks.
Saturday, December 1, 2012 at 12:20am

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.
The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale factor of 2 Please help!!!!
Wednesday, November 28, 2012 at 4:34pm

Algebra 8th grade please help!!!!!!
A right triangle has an area of 13 m2. The dimensions of the triangle are increased by a scale factor of 3. What is the area of the new triangle? Please help!!!! a)39 m2 b)169 m2 c)117 m2 d)142 m2
Wednesday, November 28, 2012 at 1:56pm

Help, Math 8th grade!!!!!
14. Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. Please help!! I need answer now!! I have been working on this problme for over an hour cant get it, please help, ...
Tuesday, November 13, 2012 at 2:28pm

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

math 8th grade
I am unable to figure it out. Please help! the flow rate for several household ate shown in the table. based on this data. an eight min much more water would a washinh machine deliver than a showerhead? table: bath spigot 5 ; kitchen faucet 2.5; washing machine 1.7...
Tuesday, October 9, 2012 at 11:11pm

A catering business charges $50 for setting p a meal and $150 for enough food for 12 people. You will be using the caterer for an upcoming celebration. There will be 32 people at the party. Find the total cost to use the caterer for the party.
Thursday, August 23, 2012 at 9:47pm

8th grade math
Hi! I need some help with absolute value. First, I want to ask is that for absolute value, is that if the absolute value is |6| then would the answer be 6 or -6? I am really confused with this so if somebody could explain this to me, it would be a big help, thank you!
Monday, August 20, 2012 at 9:58pm

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

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
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

Soanish-8th grade Help!
I'm trying to conjugate this in the past tense tú/presentarse would I conjugate it in past tense like this- (tú te presentaste) Something looks wrong with it
Saturday, May 12, 2012 at 4:40pm

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

Math 8th Grade
The chart below shows an expression evaluated for four different values of x x: x2+x+5: 1 7 2 11 6 47 7 61 Josiah concluded that for all positive values of x, x2+x+5 produces a prime number. Which value of x serves as a counterexample to prove Josiah’s conclusion false? A...
Tuesday, April 10, 2012 at 10:43pm

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
Two towers are similar. The area of the larger tower is 400 pi ft^2 and the area of the smaller tower is 169 pi ft^2. What is the ratio of the heights of the towers?
Tuesday, April 10, 2012 at 8:46pm

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 7R - The Human Body Prep Test
I have a test tommrrow on the The Human Body and I asked my science teacher if she can post a castle learning assignment about the Human Body (the day before the test she always post a caslte learning assignment for us to study and do well on the test the next day) and then ...
Monday, April 2, 2012 at 7:41pm

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
ok, i don't have answer to these questions! #8: The interaction of air, water, and _________ causes weather. #9: Violent storms generally form where? #10:clouds form as warm air rises, expands, cools, and becomes saturated, and then _______________ condense(s) into tiny ...
Wednesday, March 7, 2012 at 6:53pm

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
please help me write an inequality for this paragraph. Brandon and Rayna have $40 to spent at the concert and would like to purchase some souvenir programs for friends who cannot attend. They are able to buy pr0grams at $8 each, but want to keep $10 for food. How many programs...
Tuesday, February 28, 2012 at 9:24pm

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

Math Lit
In a school there are 122 grade 8s, 105 grade 9s, 134 grade 10s, 109 grade 11s, 90 grade 12s. Express Each Class as a percentage of the whole school.
Sunday, February 5, 2012 at 2:42pm

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

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

8th grade physical science
What is the kinetic energy of a 1 kilogeram ball is thrown into the air with a velocity of 30m/sec? How much potential energy does the ball have when it reaches the top of its ascent? How high into the air did the nall travel? Please help me help my child with her homework?
Thursday, January 19, 2012 at 11:36am

8th Grade Science
A runner whose initial speed is 29 km/hr increases her speed to 31 km/hr in order to win a race. If the runner takes 0.5 seconds to complete this increase in speed, what is her acceleration? I think it's either 1440 km/hr/hr or 0.4 km/hr/sec. Are you supposed to convert ...
Tuesday, January 10, 2012 at 8:51pm

i need to learn my multiplication tables at least up to 9 and i have to do it fast because i'm in 8th grade and i don't know what they are. how do i learn them fast??
Thursday, December 29, 2011 at 1:37am

i need to learn my multiplication tables at least up to 9 and i have to do it fast because i'm in 8th grade and i don't know what they are. how do i learn them fast??
Thursday, December 29, 2011 at 1:37am

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