# Homework Help: 8th Grade

**5th grade Math**

How do you add fractions with different denominators? Thanks if you help :)

*Wednesday, May 1, 2013 by Kim*

**Math**

A math class has girls and boys in the seventh grade and girls and boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Write your ...

*Wednesday, May 1, 2013 by MADISON*

**Biology**

Is 9th grade biology hard? Is it interesting...?? I love life science but I just wondering if 9th grade biology hard??? I'm taking biology next year.

*Monday, April 29, 2013 by Sarah*

**physics**

A man is 3/8th of the way across a railroad bridge when he hears a train coming. He knows that this passenger train cruises along at 60 MPH in this area. It turns out that he can run to either end of the bridge and jump off just ahead of the train. Assuming he runs a a ...

*Monday, April 29, 2013 by Pam*

**10 grade algebra**

In the following system of equations, what does x equal? -10x - 2y = 56 6x - 2y = -40 x = 6 or x = -6 or x = 2 or x = -2

*Wednesday, April 24, 2013 by gage*

**Psychology**

Dr. Allen is trying to determine the best method by which to draw a comparison between the amount of time his students spend in the library to the grade point average of his students across the spectrum. Which research design should Dr. Allen follow, and why? Answer ...

*Tuesday, April 23, 2013 by J.J*

**4th grade math**

4 1/4 minus 1 3/4

*Monday, April 22, 2013 by jordyn*

**3rd grade math**

What does 5 fracture each 1/2 mean?

*Thursday, April 18, 2013 by James*

**Math**

Meagan bought a 3 liter soda and a bag of cups to a party. Each cup holds a volume of 250ml How many cups will be needed for soda 12 Ms.Baggett took a total of 3 hours to grade 120 papers Which of the following can be used to find m the number of minutes Ms.Baggett took to ...

*Wednesday, April 17, 2013 by Jerald*

**programming**

Write a program that requests the numeric grades on a midterm and a final exam and then uses a Function procedure to assign a semester grade (A, B, C, D, OR F). The final exam should count twice as much as the midterm exam, the semester average should be rounded up to the ...

*Tuesday, April 16, 2013 by Shirley*

**math 4th grade**

how do you add 2/3 plus 5/8

*Tuesday, April 16, 2013 by daniel*

**5th grade math**

I don't get it! /is 20 times 5/6 greater than or less than 20

*Monday, April 15, 2013 by Sky*

**8th grade math!!!!! :)**

Determine whether each sequence is arithmetic or geometric. Find the next three terms. 1. 14, 19, 24, 29, . . . (1 point) geometric, 34, 39, 44 arithmetic, 32, 36, 41 arithmetic, 34, 39, 44 The sequence is neither geometric nor arithmetic. 2. –4, 8, –16, 32, . . . (1 point...

*Thursday, April 11, 2013 by jessie*

**7th grade math**

There are 150 students in 7th grade. After signing up for electives for next year, the counselor posted the following data: Art - 65 students Band - 70 students Theatre - 50 students Not all students signed up for an elective. Display this data using Venn Diagrams. I do not ...

*Saturday, April 6, 2013 by Renee*

**3rd Grade Math**

What is the sum of 4/10 and 55/100

*Wednesday, April 3, 2013 by Gillian*

**8th Math - Probability**

A basket contains 5 green lollipops, 12 red lollipops, and 7 orange lollipops. When a lollipop is taken from the basket, it is not replaced. What is P(orange, then orange)? I know the answer. It's 42/552. But HOW do I figure this out? I can do the first p(orange) but if it's ...

*Tuesday, April 2, 2013 by L0velyLayna*

**pre calculus**

If you are driving down a 10% grade, you will always be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does the “grade” relate to, and ...

*Monday, April 1, 2013 by sharon*

**algebra 10th grade**

Solve for x? 0 = -9/5 x -9

*Thursday, March 28, 2013 by mary*

**10 grade algebra**

solve 10(x+5)=130

*Tuesday, March 26, 2013 by mary*

**10 grade algebra**

Solve the equation 2(x =10)=80

*Tuesday, March 26, 2013 by mary*

**3rd grade math**

which fraction is less than 2/5 A. 2/3 B. 3/5 C. 3/4

*Wednesday, March 20, 2013 by mythreyee*

**3rd grade math**

which fraction is grater than 1/3 A. 1/2 B. 1/4 C. 1/5 D. 1/6

*Wednesday, March 20, 2013 by mythreyee*

**7th Grade Math**

What is arithmetic and geometric sequences?

*Monday, March 18, 2013 by Jessie*

**3rd grade math**

1/3 2-fracture each third, what does it mean.

*Monday, March 11, 2013 by Lilly*

**English**

i have a hard time calculating my grade & am in college. Please tell me the grade I have so far & will have, thank you!365 points in the course is needed. Lecture exams and quizzes are worth about 60% of the total grade &90 ≤ A 80 ≤ B < 90 70 ≤ C < 80 ...

*Monday, March 11, 2013 by jessica*

**Lang. Arts**

4. Identify the appositive phrase in the following sentence. Mrs. Talavera, an eighth grade teacher at Rosewood Middle School, led the community meeting about childhood obesity. A.Mrs. Talavera B.an eighth grade teacher at Rosewood Middle School C.led the community meeting D....

*Saturday, March 9, 2013 by Cassie*

**4th grade Algebra**

Evaluate the expression 15 - n when n= 9 I am not sure but is it 6?

*Thursday, March 7, 2013 by jared*

**math**

what is 31/3 simplified by idk(im in 5th grade)

*Wednesday, March 6, 2013 by aalaiyah*

**Reading**

What is a 2nd grade pronoun definition

*Monday, March 4, 2013 by Daviana*

**Writing**

2nd grade opinion pieces

*Thursday, February 28, 2013 by Anonymous*

**6th grade math**

n/4+32=72

*Tuesday, February 26, 2013 by Susan*

**6th grade math**

n/4 +32=32 I can get it n/4=40 but not sure how to get n by itself????

*Tuesday, February 26, 2013 by Susan*

**5th grade math**

Is 3/9 <,>,= to 9/14?

*Monday, February 25, 2013 by arali*

**Statistics**

In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 15% of your total grade, each major test is worth 22.5...

*Tuesday, February 19, 2013 by Maria*

**6 grade math**

(100-7•2+3)÷10 =

*Tuesday, February 12, 2013 by noahc*

**math 4th grade**

my mistake will it be 8

*Tuesday, February 12, 2013 by Lourane*

**math 4th grade**

now is the correct answer 4

*Tuesday, February 12, 2013 by Lourane*

**math 4th grade**

So Alyonka will the correct answer be 10

*Tuesday, February 12, 2013 by Lourane*

**statistics**

this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student receives an A in a four-...

*Sunday, February 10, 2013 by Cyn*

**Algebra**

simplify 9to 6th power times 3 to the 7th power all over 9 to the 8th power times 3 to the 6th power

*Sunday, February 10, 2013 by Katelyn*

**Math**

Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the sequence? Be sure to do more than answer the...

*Saturday, February 9, 2013 by Stinkrat*

**Math-grade 4**

what is the estimated quotient of 6 divided into 75?

*Monday, February 4, 2013 by Chloe*

**Science 8R**

What is Combustion? this is not homework (please give me a good definition for 8th graders like me to understand) BTW - I'm creating a study guide for the NYS Science Test I'm taking at the end of the year. We started taking notes in my science class that we can use to study ...

*Sunday, February 3, 2013 by Laruen*

**Geometry-8th gr**

Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.

*Friday, February 1, 2013 by Mona*

**Geometry-8th gr**

The perimeter of triangle ABC is 120. LIne segment BD bisects <B. Line segment AD= 15, and line segment DC= 21. FInd AB and BC. Thanks.

*Friday, February 1, 2013 by Mona*

**Geometry -8th gr**

Given: triangle ABC ~ triangle PQR, m<A = 75 degrees, m<P = (5x + 7y) degrees, m<R = (3x + 4y) degrees, and m<B =( 2x + 9y) degrees. FInd m<R. Thanks

*Friday, February 1, 2013 by Mona*

**Geometry-8th gr**

Can you please help me with this question? 1.) Given: triangle ABC ~ triangle XYZ, m<A= 50 degrees, m<X= (2x +5y) degrees, m>Z=( 55 + y) degrees, and that m<B=(102-x) degrees. Find m<Z. Thanks.

*Thursday, January 31, 2013 by Mona*

**math**

How do you shade in .625 on a hundreds grid ( for fifth grade)

*Tuesday, January 29, 2013 by jaey*

**Math**

There are 12 girls on a gymnastics team. Less than 1/4 of the girls are in second grade. How many girls on the gymnastics team could be in second grade?

*Monday, January 28, 2013 by Ms. Ramos*

**6th grade math**

5ft 3 in. – 2ft 9 in. = ??

*Sunday, January 27, 2013 by Kat*

**6th grade health**

the view you have of yourself is known as your

*Sunday, January 27, 2013 by Eduarda cardoso*

**8th Grade Math**

I need help please. I answered (c)incorrectly. Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your...

*Friday, January 25, 2013 by Chris - Please help anybody*

**8th grade Math**

need help please. I answered (c)incorrectly. Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your ...

*Friday, January 25, 2013 by Chris - Ms Sue please*

**Math - 8th Grade**

I need help please. I answered (c)incorrectly. Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your...

*Friday, January 25, 2013 by Chris*

**Math - 8th Grade**

I need help please. I answered (c)incorrectly. Chantal and Julia ride horses in the same race. Chantal's horse finishes in one minute and 59.53 seconds. If Julia's horse runs 2.25 percent slower than Chantal's, how long does it take Julia's horse to finish the race? Round your...

*Friday, January 25, 2013 by Chris*

**6 grade Math**

How do I divide this ... 3 divided by 1/2

*Wednesday, January 23, 2013 by Nate*

**Physical Science**

The distance from earth to the sun is 1.5x10 to the 11th power minutes and light travels at a speed of 3.0x10 to the 8th power m/s. How long does it take sunlight to reach the earth? Give answer in minutes and seconds.

*Monday, January 21, 2013 by Belaune*

**4th grade math**

How do you solve 41/2-1/4=?

*Sunday, January 20, 2013 by beka*

**Science**

What are 6th grade examples of negative feedback mechanism?

*Thursday, January 17, 2013 by jonah*

**3rd grade math**

Draw a model to show 84/12=7

*Wednesday, January 16, 2013 by johnathan*

**9TH GRADE MATH**

IF C=2M+D THEN M=

*Tuesday, January 15, 2013 by KIM*

**math**

what is tell me rule it frist grade help please......

*Tuesday, January 15, 2013 by janiah*

**math 7 th grade asap**

6(b-4)=

*Monday, January 14, 2013 by noahc*

**English Grade 10**

Discuss society's tendency to fear the unknown.

*Thursday, January 10, 2013 by George Bishop*

**9th grade algebra**

2x^2+5x+2

*Thursday, January 10, 2013 by Nicole*

**7th grade math**

solve each equation. Check your solution. 1) 7 2 -X = - 3 3 2) 2 1 7c- - = - 3 2

*Wednesday, January 9, 2013 by Dingbat*

**statistics-?mean average with lowest number out?**

A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?

*Monday, January 7, 2013 by tony*

**statistics-?mean average with lowest number out?**

A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?

*Monday, January 7, 2013 by tony*

**math**

In the year 2000,approximately 169,000,000 personal cmputers were used in the US. What is this number expressed in scientific notation? I moved the decimal point 8 times to the left so My answer I got was 1.69x 10to the 8th. Is this correct Thanks

*Sunday, January 6, 2013 by b6*

**math**

(8 x____) x 5 = 8 x ( 20 x 5).. third grade question please help me solve

*Saturday, January 5, 2013 by devon*

**World history- does this sound okay?**

if you had to give queen Elizabeth the first a grade on the enlightenment principles what grade would you give and why? I think I would give her a B bc for the most part she was a very big influence on the enlightenment era and she enabled quite a bit for us today. she changed...

*Thursday, December 20, 2012 by BaileyBubble*

**3rd grade math**

25 cents __?__ 3/10 of a dollar

*Monday, December 17, 2012 by Kk*

**7 th grade math**

How many 4/5 are in 1 ?

*Wednesday, December 12, 2012 by noah*

**5th grade math**

what is a word problem for 4.23x10

*Wednesday, December 5, 2012 by kaitlyn*

**math 6th grade**

what does y=x

*Tuesday, December 4, 2012 by sally*

**Math 5th grade**

9K=414

*Tuesday, December 4, 2012 by Ishu*

**math**

Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 75, 80, and 74. To get an B in the course, you must have an average of at ...

*Sunday, December 2, 2012 by amanda*

**7th grade social studies**

What are the pros and cons to democracy? Thank you.

*Thursday, November 29, 2012 by Donnie*

**5th grade**

how do you divide 1/4 by 1/2? please tell answer and explain

*Thursday, November 29, 2012 by Anonymous*

**Algebra Grade 7 (Rotation)**

If you rotate a clock clockwise 90° from 3:00, what will it be?

*Thursday, November 29, 2012 by rawr... im a dinosaur.... rawr*

**5th grade math**

i need help

*Tuesday, November 27, 2012 by jacob*

**MATH 5TH GRADE**

HOW MANY TIMES MORE IS 2000 THAN 20?

*Tuesday, November 27, 2012 by frank*

**Spelling 4th grade**

Down is to dive as up is to ____________?

*Monday, November 26, 2012 by Caleb*

**5th grade**

How can I do distributtive property to break apart each multiplication 5*13=5*(6+_)=(5*_)+(_*7)

*Thursday, November 15, 2012 by Jamila*

**6th grade math**

What does this sign mean "| |"

*Monday, November 5, 2012 by luv history*

**6th grade math**

What does this sign mean "| |"

*Monday, November 5, 2012 by luv history*

**Geo- 7th Grade**

What are the Atlantic Provinces?

*Friday, November 2, 2012 by rawr... im a dinosaur.... rawr*

**Algebra Grade 7**

Point S is the midpoint of RT. compplete the statement: ST = 11 in., RT = __

*Saturday, October 27, 2012 by rawr... im a dinosaur.... rawr*

**Algebra Grade 7**

It is possible to estimate the length of a line. True?

*Friday, October 26, 2012 by rawr... im a dinosaur.... rawr*

**math**

how to solve identity property,2nd grade

*Wednesday, October 24, 2012 by tyler*

**Math Statistics**

The table below shows Rico’s grades during the third term in four subjects. Subject Units Grade Math 1.5 98 Science 2 97 English 1.5 95 A.P. 1 99 What was Rico’s average grade in the four subjects?

*Friday, October 19, 2012 by Milen*

**Statistic**

Number of Absences Final Grade 0 93 1 93 2 77 3 68 4 65 5 54 - Find the correlation coefficient for the data. I got this part of my answer. I believe the answer to be -0.9767 I am just going crazy with the second part. - Find the equation for the regression line for the data, ...

*Thursday, October 18, 2012 by Ashley S*

**math 7th grade**

what is 234(2-1+1092-924+18) ?

*Thursday, October 18, 2012 by allie*

**7th Grade Math**

A proportion is shown below. 7/10 = 17.5/x What is the value of x?

*Sunday, October 14, 2012 by Lauren*

**4 grade math**

what the rule for 58,-2

*Sunday, October 14, 2012 by Monta*

**c++**

Your Mathematic school teacher want to use a program that can read the name and the mark of a student. Your teacher want the program to automatically find the grade of the mark and display the result(name, mark and grade). Help your teacher to develop a program that can solve ...

*Thursday, October 11, 2012 by sarah*

**7th Grade x y input output tables**

i need help with x and y input output tables for 7th grade i don't understand what 5x means or what to do! Math hw problems: 1. y=4x+3 x=1,2,5,10,20 2.d=3.5t t=1,2,5,10,20 Please help ASAP!!!!!

*Tuesday, October 9, 2012 by Sadie*

**Math 4th grade**

How do you find the properties of addition?

*Tuesday, October 9, 2012 by Penny*

**ELEMENTARY**

How to prepare PSAT test from 3rd grade

*Monday, October 8, 2012 by josh*

**7th grade math help quick**

11/12 + (-2/3) = ?

*Wednesday, October 3, 2012 by Delilah*