# Homework Help: 8th Grade

**calculus**

1. A hill with a 35 degree grade (incline with horizontal) is cut down for a roadbed to a 10 degree grade. If the distance from the base to the top of the original hill is 800 ft., How many vertical ft will be removed from the hill rounded to the nearest ft

*Monday, April 30, 2012 by Nolan*

**science fair**

I need a science fir project!! I looked on a thousand of websites online but they give no interesting idea. I am in 6th grade and i need something at a 6 grade level that is easy a science fair project that is do in 1 week. i am in 6 grade and i don't need experiments from ...

*Thursday, April 26, 2012 by Aisha*

**6th grade credits**

how many credits does a 6th grader in oklahoma need to pass into 7th grade?

*Thursday, April 12, 2012 by ♥rebel•stupidity=kathy*

**SS7R - Bill of Rights Project - 8th Amendment**

8th Amendment The Eighth Amendment to the United States Constitution is the part of the United States Bill of Rights prohibiting the federal government from imposing excessive fines or cruel and unusual punishments. Excessive hail shall not be required nor excessive fines ...

*Wednesday, April 11, 2012 by Laruen*

**8th grade science**

The densities of four different woods are shown below. Wood Sample Densities Type of wood: African Teakwood Density(g/cm3) 0.98 Type of wood: Balsa Density(g/cm3) 0.14 Type of wood: Cedar Density(g/cm3) 0.55 Type of wood: Ironwood Density(g/cm3) 1.23 Which wood will sink when ...

*Tuesday, April 3, 2012 by Lana Grib*

**math**

The 8th term of ap is 5time the 3rd term, while the 7th term is greater than the 4th term, write the first 5 term of the ap

*Friday, March 30, 2012 by wale*

**7th grade math**

My friend is in the 7th grade and broke his wrist so he cannot type. Wat is the square root of pi.He said he knows pi=3.14 but he doesn't know how to work it out. He said thanks.

*Monday, March 5, 2012 by running.from.myself*

**math**

Hello I have two questions pleae (1)what does it mean when it says measurement to an 8th of an inch, what will I be doing? (2) can you show me the steps for 10 inches = ________ ft, the answr is 5/6 but how do you get that? Thank you

*Monday, March 5, 2012 by Patrizia*

**Business Communication**

Need a copy of pages 163 and 164 from Business and Administrative Communication, 8th edition

*Monday, February 27, 2012 by Teamguy*

**statistics**

12. A statistics student received a grade of 85 on a statistics midterm. If the corresponding z score equaled +1.50, and the standard deviation equaled 7, what was the average grade on this exam? a. 95.5 b. 74.5 c. 78.0 d. Cannot determine without knowing how many took the ...

*Sunday, February 26, 2012 by tim*

**us history ( 8TH)**

at around 1832, was John C. Calhoun, Andrew Jason`s VP????

*Wednesday, February 22, 2012 by sammie doodles :-)*

**Physics**

On June 9, 1988, Sergei Bubka broke the world pole-vaulting record for the 8th time in four years by attaining a height of 6.14 m. How long did it take him to fall?

*Monday, February 20, 2012 by Anonymous*

**STAAR (TAKS)**

My teacher is asking if the students are allowed to use a calculator for 8th graders in STAAR. i also want to know...

*Wednesday, February 1, 2012 by Jackson*

**math**

therebare 365 days in a year. about how many days has Jared lived if he has reached his 8th birthady?

*Tuesday, January 31, 2012 by mia*

**8th grade U.S history**

1. Compare and contrast the cultures of two native tribes. Tell what you did to communicate the United States' sovereignty in the region to two different tribes. 2. Name two tribes that you think would enter into exclusive fur trade with the United States. What evidence makes...

*Monday, January 23, 2012 by Anonymous*

**Math**

What equation do I use to find out what I need to get on my exam to pass my class. I have a 65.9% and the exam is 20% of my grade....if you need any additional information let me know..... also a passing grade is 59.5

*Tuesday, January 17, 2012 by Christine*

**Spanish-8th grade**

I made the corrections-someone yesterday redid a question but the questions shouldn't be redone-that's my homeowrk-the answers isare mine and I'm not sure if they're correct. 1. ¿Dónde estuvo tu mama ayer? Mi mamá estuvo en la tienda. 2. ¿Tocaste un instrumento la semana ...

*Thursday, January 5, 2012 by Sophie*

**Spanish-8th grade**

I had to use the past tense of either poder or saber to write each sentence 1. tú y yo/mirar la televisión Tú y yo pudimos mirar la televisión. 2. nosotros/viajar Nosostros pudimos viajar. 3. los muchachos/jugar al fútbol Los muchachos pudieron jugar al fútbol. 4. tú/...

*Friday, December 30, 2011 by Sophia*

**9th Grade Classes**

I was reading my school district program of studies and I found this section in for high school coures. - English 9H - Integrated Algebra A - Earth Science - Global History and Geography I or H - French Beg. 1 - Orchestra (a days)/ Health (b days) - Studio Art I - African ...

*Sunday, December 18, 2011 by Laruen*

**math**

If I have a 66% in algebra Android we took a exam that's worth 20% of our grade Android I got a 54% on the multiple choice what would my average grade be?

*Wednesday, December 14, 2011 by madison*

**math**

16b to the 8th power + 40b to the 7th power + 25b to the 6th power

*Wednesday, December 14, 2011 by erin*

**Economics**

Im trying to figure out my grade what would i need to get a c average in the class;39%,of my grade is is based on 3 assignments(i got so far 62%,80%,haven't done the last assignment yet), 3 exams each worth 20%( i got a 2%,40%, haven't taken the last one) and 1% for just given...

*Wednesday, November 16, 2011 by kay*

**arithmetic**

The 8th term of an A P is 5times the third term while the 7th term is 9 greater than the 4th term.what are the first five term

*Friday, November 4, 2011 by Anonymous*

**Spanish 8th grade**

Could you please check these? 1.¿ Qué te encanta hacer en el invierno? Me encanta el esqui. 2. ¿Cuál es tu pasatiempo favorito y por qué? Mi pasatiempo favorito es practico al fútbol americano . 3. ¿Es el fútbol o el fútbol americano más interesante? El fútbol ...

*Wednesday, November 2, 2011 by Matthew W.*

**statistics**

A researcher is investigating whether, on average, 3rd grade males have significantly different creativity scores than 3rd grade females. She samples students from a large school district where she works. What is the independent variable?

*Monday, October 31, 2011 by Anonymous*

**PLZ HELP....STATS**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

*Sunday, October 23, 2011 by Jennifer*

**Stats**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

*Sunday, October 23, 2011 by Jennifer*

**Spanish-SraJMcGin please check**

I had asked a question the other day but I'm not sure if I'm understanding this- it was a comparison-You said this as a comment: Spanish-8th grade - SraJMcGin, Thursday, October 20, 2011 at 4:02pm 3. also = de las tres actividades Also, #3 is different because it is not an ...

*Saturday, October 22, 2011 by Victor*

**Math**

You are given the following data. # of Absences Final Grade 0 96 1 92 2 71 3 66 4 60 5 51 A. Find the correlation coefficient for the data. B. Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

*Friday, October 21, 2011 by Jen*

**Spanish-8th grade**

We're doing superlatives and we had to have three groups of sentences. Did I compare these correctly?I numbered each group as 1, 2 or 3, not each sentence in the group. 1.Tocar el piano es interesante. Tocar la guitarra es más interesante que tocar el piano. Tocar el tambor ...

*Thursday, October 20, 2011 by Victor*

**math**

the chess club has 55 members 22 of them are in 6th grade what percent of the club is not in 6th grade

*Wednesday, October 12, 2011 by faith*

**Algebra 2 (Linear Programming)**

The Carbon coal company has 2 mines, a surface mine ad a deep mine. it costs $200 per day to operate the surface mine and $250 to operate the deep mine. Each mine produces a medium grade and a medium-hard grade coal, but in different proportions. This surface mine produces 12 ...

*Tuesday, October 4, 2011 by Peter*

**English**

Ok so I'm join this contest at my school (long story but read that directions below) 7th Graders Against 8th Graders "The more that you read, the more things you will know. The more that you learn,the more places you'll go." Dr. Seuss. PROGRAM GOALS •To motivate and ...

*Sunday, October 2, 2011 by Laruen*

**Algebra**

A roof rises 2.3 feet vertically, and 7.4 feet horizontally. What is the grade of the roof? I do not understand how to even find what the grade would be..can anyone help?

*Friday, September 30, 2011 by Mary*

**7 th grade math**

if all my grades are above an 80 how will a 38 affectn my grade.

*Thursday, September 22, 2011 by allie bartton*

**ECOMICS**

IF AN ECONOMY MOVES FROM PRODUCING 15 UNITS OF A AND 7 UNITS OF B TO PRODUCING 10 AS AND 8BS, THE OPPORTUNITY COST OF THE 8TH B IS: 1 10AS 2 5AS 3 7AS

*Wednesday, September 21, 2011 by FAIZAN*

**programming**

2-5 Grade Determination is says " Write a program that will input three test scores. the program should determine and display their average. the program should then display the appropriate letter grade based on there average. the letter grade should be determined using a 10 ...

*Wednesday, September 21, 2011 by Jimmy*

**scientific method and measurement 8th Hons science**

what allows results to be verified to maintain credibility?

*Monday, September 12, 2011 by hannah*

**English**

hi im sam :p i have 8th grade math and i think like yesterday we got an assesment called circle sentencing and im completly confused i even asked my princble and she couldn't even help..:( i have a link to show what my homework is but it wont let me post it but if you look up ...

*Thursday, September 8, 2011 by samm*

**Math**

Hey umm what do you learn in the 5th grade math??? This is for my brother cause he is going to the 5th grade.

*Sunday, September 4, 2011 by Gen*

**Algebra**

In a class of 110 students, 22 received the grade of A. what fraction of the students did not receive the grade A?

*Wednesday, August 31, 2011 by alex*

**math**

a student is selected at is the probability the the randomly selected stundent is neither a 10th grade nor an 11th grade express your answer in fraction in simplest form

*Thursday, August 25, 2011 by a student is selected at is the probability the th*

**8th Math**

How do I substract a whole number from a fraction ?!?!?!

*Wednesday, August 24, 2011 by Jasmine*

**math**

on his first exam, he studied for 10 hours and went to tell the mall for 4hours, and got a score of 85. how long should he study to get a grade of 96 and go to the mall for 17 hours? grade varies directly with studying and inversely with going to the mall. is the answer 48hrs?

*Tuesday, August 2, 2011 by rock*

**Math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...

*Tuesday, July 19, 2011 by Jen*

**10th Grade Chemistry**

I struggle in the sciences and was wondering what I could do over the summer self studying wise to prepare for 10th grade chem?

*Thursday, July 7, 2011 by Wuhta*

**arithmetic**

What is the sum to 15 terms of an arithmetic progression whose 8th term is 4?

*Monday, July 4, 2011 by vinay*

**maths**

If the sum of the first 15 terms of an arthimetic sequence is 240. what is the 8th term

*Thursday, June 30, 2011 by anjna*

**English**

Could you please check this sentence for me? I am interested in student writing exchanges but my students are in first grade. How old are first-grade students? (This is a real question)

*Thursday, June 23, 2011 by Henry1*

**math**

if i had a 66 in bim and my teacher puts a 100 in the grade book what will be mi grade

*Monday, May 30, 2011 by shabria cross*

**math**

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 210 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she ...

*Sunday, May 29, 2011 by kozy*

**Good Reads? 6th and 7th grade**

Please. I need a list of Non-fiction books recommended for 6th and 7th grade readers. Thank you and have a nice day. God bless! <3

*Tuesday, May 24, 2011 by Nicki*

**2nd Grade Math**

What is the best way to explain 2nd grade kid, how to find one fourth of 7

*Monday, May 23, 2011 by New*

**Algebra 8th**

How do you multiply and simplify radical 2(radical 8+ radical 5)?

*Friday, May 13, 2011 by Suzy*

**ENGLISH**

Below is how students feel about the NYS Math test that is days away(Is there any corrections I can make or add?) Are the students at I.S.230 really ready for the NYS Math Test? 5/9/2011 By: Anonymous Mostly all the students at I.S.230 in Jackson Heights, Queens have been ...

*Monday, May 9, 2011 by Anonymous*

**statistics**

After years of data collection by college students, it has been determined that the distribution of course grades in Ms. Green’s Statistic II class follows a normal distribution with a mean of 62 and a standard deviation of 14. (a) A student will pass Ms. Green’s course if...

*Monday, May 9, 2011 by Karen*

**math**

find the greatest common factor and simplify your answer. 4v to the 7th power y to the 9th power and 16v to the 6th power x to the 8th power y to the 5th power.

*Thursday, April 28, 2011 by kim*

**8th grade math**

A box contains 6 red balls, 4 white balls, and 5 green balls. If three balls are drawn in succession without being replaced, what is the probability that they are drawn in the order red, white, green? A x 8/225 B x 4/91 C x 12/445 D x 1/225...

*Thursday, April 28, 2011 by Lo*

**math**

There are 283 students in Walley's school and 59 of them are in the sixth grade. What is the approximate percent of student at Walley's school who are in the sixth grade

*Wednesday, April 20, 2011 by Mecca*

**8th grade math**

The Exotic Pets Club has 23 members, all of whom have a snake, an iguana, or a tarantual. Four members have all three kinds of pets. Ten members have a snake, 14 have iguanas, and 13 have tarantulas. Two have a snake and an iguana, three have an iguana and a tarantula, and one...

*Thursday, April 7, 2011 by Kelly*

**math**

Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the nearest pound.

*Wednesday, March 23, 2011 by Meg*

**math**

Use a tangent function to estimate the grade resistance of a 2200-lb car travelling on a 2.4° grade. Round your answer to the nearest pound.

*Wednesday, March 23, 2011 by Meg*

**8th gr. Transition Math**

A rotation id described by it's ____ and ____?

*Tuesday, March 22, 2011 by Jaydirah*

**8th grade math**

Albert has a home screen printing business. He has designed a bracelet and T‑shirt for St. Patrick’s Day which both use a special ink, available for a limited time from his supplier. Albert has already begun taking and fulfilling orders for merchandise. Albert noticed ...

*Thursday, March 17, 2011 by Anonymous*

**8th grade Math**

This four-leaf clover consists of four coplanar circles. Each circle is externally tangent to two others, as shown. The two smaller circles are congruent, and the two larger circles are congruent. A square is constructed such that each of its four vertices is also the center ...

*Thursday, March 17, 2011 by Anonymous*

**math**

The first three terms of a geometric sequence are 2, 10, 50, and the 8th term has a value of 156,250. What is the value of the 7th term?

*Tuesday, March 15, 2011 by Evelyn*

**pre algebra**

my grade is 83.17 in pre algebra in college, but the final exam is worth 300 points. If I got a B or B- or a C on the final, what would my grade be overall?

*Thursday, March 10, 2011 by Amber shall*

**6th grade science**

What are Newton's three laws on motion in sixth grade lingo?

*Tuesday, February 22, 2011 by Marsha*

**Chemistry-help needed**

Can we use an ACS/AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

*Monday, February 21, 2011 by candy*

**Chemistry-pls help**

Can we use an AR grade chemical for UV spectrophotometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

*Thursday, February 17, 2011 by candy*

**Chemistry-help needed**

Can we use an AR grade chemical for UV spectrometric analysis? Or is it a must to use a chemical that is specially designated (SpectrAR grade) for UV analysis?

*Thursday, February 17, 2011 by candy*

**8th grade math**

Jessica is creating a heart-shaped card to give to her valentine. She has folded a square piece of paper in half and traced the pattern onto one half of the folded paper. The pattern consists of a right triangle with hypotenuse of length 7 1/2 inches and a semi-circle with a ...

*Wednesday, February 16, 2011 by Anonymous*

**5tth grade math**

every student in a second grade class sends a valentine to each of the other students in the class, for a total of 306 valentines.How many students are in the class.

*Thursday, February 10, 2011 by tryston*

**Spanish-8th grade**

Could someone please check if I answered these questions correctly? Thank you Please let me know if I did anything wrong. ¿Hay un supermercado cerca de tu casa? Si, hay un supermercado cerca de mi casa. ¿Qué necesitas hacer hoy? Necesito estudiar hoy. ¿Por qué vas a la ...

*Wednesday, February 9, 2011 by Jessie*

**8th grade math**

According to one survey, the number of consumers who planned to purchase a television for the purposes of viewing the Super Bowl rose from 1.4 million in 2005 to 4.5 million in 2011. Suppose that in 2005 the average purchase price for a television was $935. In 2011 the average...

*Wednesday, February 9, 2011 by Anonymous*

**8th grade Math**

Penelope created a game using a bag of 26 tiles, each with a different letter of the alphabet written on it. She uses a stopwatch to time how fast she can create one 5-letter word from a set of five randomly selected letters. To play this game Penelope randomly draws a letter ...

*Tuesday, February 1, 2011 by Anonymous*

**algebra**

A roof rises 1.4 feet vertically and 11.8 feet horizontally. What is the grade of the roof? The grade of the roof is _____% how do I begin to find the answer to this

*Monday, January 31, 2011 by Joyce*

**third grade hw help**

My third grade is needing help with his science homework please the question is as follow List as many resources as you can that you use during one day? Thanks!

*Wednesday, January 19, 2011 by Nicky*

**8th grade science**

For my quiz some of these questions confuse me. Your genome is over 99% identical to every other human on earth. True False 3 points Save All living things on earth share certain identical sequences of bases on their genome. True False and... Question 8 3 points Save The bases...

*Wednesday, January 19, 2011 by Lina*

**8th grade math**

Hot Shot is an arcade basketball game in which the object is to make as many baskets as possible within the 60-second time limit. A player is awarded 2 points for each successful shot during the first 50 seconds of play and 3 points per successful shot during the final 10 ...

*Wednesday, January 12, 2011 by Anonymous*

**math**

what is 7 16th plus 3 8th please help me i am hopeless

*Thursday, December 16, 2010 by leah*

**8th grade math**

Every year on the first day of Christmas my true love gives me one gift, a partridge in a pear tree. On the second day of Christmas my true love gives me a total of three gifts, two turtle doves and a partridge in a pear tree. This will go on until the twelfth day of Christmas...

*Thursday, December 16, 2010 by Anonymous*

**5th grade**

how to do a double line graph with 2 superbowl teams scores with their mode median,and range for the first seven games. this is so hard for fifth grade. i need help

*Thursday, December 9, 2010 by deeandra*

**math**

franklin school has 3 boys for every 4 4 girls in fifth grade . there were 140 students in the fifth grade. A.how many are boys B.how many are gorls

*Tuesday, December 7, 2010 by cindy*

**math**

franklin school has 3 boys for every four girls in the fifth grade. there are 140 students in the fifth grade. a.how many are boys? b.how many are girls?

*Monday, December 6, 2010 by cindy*

**Computer Programing & Logic Design**

Submit pseudocode and a flowchart for the following programming exercise: Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grade for each score and the average test score. Design the following functions ...

*Saturday, November 20, 2010 by Anonymous*

**5th grade**

what are the answers to the 5th grade unit 1 test harcourt

*Friday, November 19, 2010 by Destiny*

**5th grade**

My daughter is taking OLSAT test for gift & talented middle school. All practice questions I find are for Kindergarten or 1st grade. Any ideas on how she should prepare? Thank you.

*Sunday, November 14, 2010 by Elaine*

**8th grade**

four families bought popcorn at a game.The Wilson's bought half the bags of popcorn plus one. the Martinez's bought half of the remaining bags plus one. the Brightfeather's bought half of the remaining bags plus one. The Wilberly's bought half the remaining bags plus one. If ...

*Wednesday, November 10, 2010 by unknown64*

**8th grade**

Suppose that the veterans of the Korean War and the veterans of WWII are mutually exclusive. Together, the veterans of the Korean War and the veterans of WWII, account for X% of the veterans in the United States in 2009. The number of veterans of the Vietnam era is X% + 11.6% ...

*Wednesday, November 10, 2010 by Anonymous*

**8th Grade Math**

*I NEED THESE IN ALGEBRAIC EXPRESSIONS! 1.) The larger of two numbers is 1 less than 3 times the smaller. Their sum is 63. Find the numbers. 2.) Find two numbers whose sum is 92, if the first is 4 more than 7 times the second. 3.) The sum of two numbers is 172. The first is 8 ...

*Monday, November 8, 2010 by Disha*

**math**

find the sum of the first 8th term of the Geometric progression, 1,3,9,27

*Friday, November 5, 2010 by Ali*

**8th grade**

Major League Baseball is divided into the National League and the American League. The World Series championship is a “best-of-seven” series between the National League champion and the American League champion; the first team to win four games wins the series. Between ...

*Wednesday, October 13, 2010 by pow*

**english grade 1**

how to teach interrogative and relative pronoun to grade 1 students

*Sunday, October 10, 2010 by eljhay*

**3rd grade**

Make a tally chart for the number of students in the third, fourth, and fifth grade classes: 26,25,27,27,26,28,27

*Thursday, October 7, 2010 by Need Help*

**physics**

a supertanker with a mass of 5.0 x 10 to the 8th power kg accelerates from rest to a speed of 10 m/s in a time of 1000s. what is its average acceleration? how much force is required to accelerate the supertanker?

*Monday, October 4, 2010 by kb*

**6th grade**

What is the simple and complex for this sentence. Making a bad grade on such an easy spelling test is such an embarrassment.

*Tuesday, September 21, 2010 by Ashleigh*

**maths**

find the 8th derivative ofe^2x*sin2x?

*Sunday, September 19, 2010 by devu*

**math**

from a base elevation of 8600ft a mountain peak in Colorado rises to a summit elevation of 14660ft over a horizontal distance of 15838ft find the grade of the peak . the grade of the peak is ? %

*Saturday, September 18, 2010 by Anonymous*

**6th grade science**

I recently posted a 6th grade science question at 9:11 p.m. Can someone take a look at it for me. Thank you in advance!

*Friday, September 17, 2010 by Reed*