# Homework Help: 4th Grade

**5th Grade MATH!**

in Which set is 2/3 of the numbers composite? a. 21,29,15,9,27,30 b.18,5,19,33,23,20 c.10,28,21,35,19,11 d.34,12,16,32,22,8

*Tuesday, October 4, 2011 by Anonymous*

**social psy**

) Researcher wants to look at the correlation between class attendance and grade in class (higher numbers indicating a higher grade). The researcher found the following result r = .82. The correlation coefficient tells researchers two pieces of information, the strength of the...

*Monday, October 3, 2011 by deb*

**6th grade math**

what is 1/3 of 3/2? is that means multiply??? or devide???

*Thursday, September 29, 2011 by Kate*

**pls help solving 4th math**

1. Explain why you would use front end estimation. Gie an example of one time you might use it. 2. Explain in words how to add 234+467. Make sure to explain regrouping, if necessary. Thanks for your help!

*Wednesday, September 28, 2011 by Kevin*

**physics**

Which statements are true for the resistivity of a metal conductor: It depends on the temperature of the material. It becomes smaller as the cross-sectional area of the material becomes smaller. It is positive for copper but negative for carbon. It has units of ohms/meter. It ...

*Wednesday, September 28, 2011 by isabelle*

**3RD GRADE MATH**

WHATS THE ANSWER TO 10 + ? = 20 + 110

*Tuesday, September 27, 2011 by MAJESTI*

**Algebra 9th Grade**

how would you solve this? x - 5 <(or equal too) - 8

*Tuesday, September 27, 2011 by Bryce*

**math 11 grade**

How do you do this 5a+(9)-12e*5a+(3)

*Monday, September 26, 2011 by shay*

**7th grade math**

i need help with variables and patterns algebra

*Monday, September 26, 2011 by hannah*

**6th grade social studies**

what is world culture

*Thursday, September 22, 2011 by Ja'Shawn*

**Math**

what is y+19=9 plz help me i don't understand this im in 7th grade >.>

*Wednesday, September 21, 2011 by someone*

**6th grade math**

3/4x-2/3x=2/5

*Wednesday, September 21, 2011 by Carol*

**fith grade math**

well i'm trying to do 49 x27 how would you do that?

*Monday, September 19, 2011 by ashley*

**5th grade algebra**

4h=31-3 h=?

*Thursday, September 15, 2011 by Dacia*

**6th grade math**

20 cents. but what if the next number is 1.5.Then how will i solve it.

*Thursday, September 15, 2011 by Kate*

**6th grade math**

but why is 2.0 bigger than 0.15?

*Thursday, September 15, 2011 by Kate*

**7th grade math**

what is a supplementary angle?

*Wednesday, September 14, 2011 by saranghae12*

**7th grade math**

what are complementary angles? Please help! Thank you!

*Wednesday, September 14, 2011 by saranghae12*

**math**

Polk Elementary School has three classes for each grade level,kindergarten through fifth grade.If there is an average of 27 students per classroom,about how many students attend Polk Elementary School?

*Wednesday, September 14, 2011 by felix*

**5th grade math**

what are the divisidles rules

*Tuesday, September 13, 2011 by amber*

**5th grade math**

what are the divisidles rules

*Tuesday, September 13, 2011 by amber*

**third grade math**

Does (4+5) + 2 = 9+2? Explain

*Monday, September 12, 2011 by Alex*

**6th grade**

interview some from 9/11

*Sunday, September 11, 2011 by jonathan*

**6th grade**

describe yourself mathamatically

*Sunday, September 11, 2011 by jonathan*

**5th grade comprehension**

what is the spot from which a ball is snapped in football?

*Thursday, September 8, 2011 by Alexia*

**6th grade math**

60x60x24x365x186000=???

*Thursday, September 8, 2011 by kade*

**Math 6th grade**

evaluate expression for the value given 4.9 +a for a = 37.2

*Tuesday, September 6, 2011 by Faye*

**math 5th grade**

What are the multiplication combinations for 180?

*Monday, September 5, 2011 by andy*

**prealgebra**

IM stuck on a question. PLease help. A teacher is giving candy to his periods. First period gets 1/3 and 2nd period gets 1/4 and 3rd period gets 1/3 and finally 4th period gets 22 pieces. How many pieces did each period get? Im stuck!!

*Wednesday, August 31, 2011 by randy*

**7th grade math**

Is "quantity of" same as a multiplication problem?

*Wednesday, August 31, 2011 by Aaron*

**math**

i dot know how to do dividing apart and im in 5th grade

*Tuesday, August 30, 2011 by lacie*

**5TH grade math**

estimate each sum or differnce. 7.4 + 3.1+ 9.8 How do I do this?

*Thursday, August 25, 2011 by Alyssa*

**math 7th grade**

simplify 2(a^2+2b+2a^2)+b+2c answer: 4a^2+5b+2c also 6a^2-a^2+16=7a^2+16 correct??

*Wednesday, August 24, 2011 by jill*

**algebra**

27a squared b cube - 36a cube b squared + 18 a squared b squared + 9 a to the 4th b cube

*Monday, August 22, 2011 by Anonymous*

**6th grade math**

2 2/3 \ 1 5/6

*Thursday, August 18, 2011 by Aaron*

**math**

a 4 digit number my 2 nd digitis twice my 3 digit the sum of all my digits is 3 times greater than my last digit the productof my 3rd and 4th digits is 12 times greater than the ratio of my 2nd to 3rd whats my number?

*Thursday, August 18, 2011 by richard*

**Math grade 12**

make F(x)=3/x-11 vertical asymptote

*Saturday, August 13, 2011 by F(x)=3/x-11 vertical*

**math**

what is (x to the 3rd power + x to the 2nd power) divided by ((x+4)(X-4)) multiplied by (x+4) divided by (3x to the 4th power + x to the 3rd power + 2x to the 2nd power)

*Wednesday, August 3, 2011 by kellie*

**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 ...

*Wednesday, July 20, 2011 by Jen*

**Math-Please help :(**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...

*Thursday, July 14, 2011 by Jen*

**stats**

Can someone please help me, I have been working on this for 2 hours now and I keep getting a negative answer. You are given the following data. Number of Absences Final Grade 0 99 1 94 2 79 3 73 4 68 5 53 - Find the correlation coefficient for the data. - Find the equation for...

*Thursday, July 14, 2011 by Celest*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...

*Thursday, July 14, 2011 by Jen*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...

*Thursday, July 14, 2011 by Jen*

**chesmistry 9 grade**

advantage,disadvantage of zero-b water purifier

*Wednesday, July 13, 2011 by flash*

**Math**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...

*Wednesday, July 13, 2011 by Jen*

**Math-geometry**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...

*Wednesday, July 13, 2011 by Jen*

**Math-geometry**

(a) translate the argument into symbolic form and (b) determine if the argument is valid or invalid. You may compare the argument to a standard form or use a truth table. If Nicholas Thompson teaches this course, then I will get a passing grade. I did not get a passing grade...

*Tuesday, July 12, 2011 by Jen*

**Biology**

Human vision can distinguish objects down to about a 4th of a millimeter (~250 micrometers). Given this, which of the following are generally visible to the human eye? Proteins Bacterial cell Animal cell Poxvirus Ribosomes Plant cell None of the above I think none of the above...

*Monday, June 20, 2011 by Kay*

**Math**

The table below shows the number of molecules in experiment B. Time(h) : 1st , 2nd , 3rd , 4th , 5th No. of molecules : 3 , 8 , 15 , 24, 35 (i) how many molecules will there be in nth hour? (ii) from which hour onwards would the no. of molecules be in experiment B?

*Saturday, June 18, 2011 by Smartypants*

**math**

a number story for grade 4?

*Wednesday, June 8, 2011 by tanvi verma*

**math grade 5**

My sister in grade 5 needs help but i dunt exactly know how to do the answers myself, so if someone can help me out i can explain to her better. Thanks 3. You are using a tree diagram with 12 branches to show the possible outcome of a probability experiment What might the ...

*Monday, June 6, 2011 by saira*

**3rd grade math**

Explain how to compare 0.34 and 0.27?

*Monday, June 6, 2011 by Rae*

**science**

7th grade..... what is the function of the retina in the eye ?:)<3

*Thursday, June 2, 2011 by ruth a.*

**MAT/116**

I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...

*Monday, May 30, 2011 by Vic*

**MAT/116**

I was just wandering if this was correct? 1. Your company is planning to spend no less than $80,000 and no more than $100,000 on a landscaping project, which will be used as a promotional park that promotes your toaster manufacturing company. Write an inequality with a ...

*Sunday, May 29, 2011 by Vic*

**school in general**

Hi i have a question im currently in 7th grade but i was held back a year in first do you think there would be any possible way to advance to 8th grade just curios I believe I have a wide enough knowledge span to pull it off but im just questioning the wheter or not it would ...

*Friday, May 27, 2011 by JESSE*

**11th grade-math**

help me Use the Quadratic Formula to solve N2=6n

*Tuesday, May 24, 2011 by kayla*

**world issuse**

I'm a 7 letter word u read daily,my 5th 6th and 7th letter increase each year,my 3rd n 4th letter are the same,my 3rd 2nd n 5th letter cover 75% of the world.

*Tuesday, May 24, 2011 by dan*

**math**

i'm in 5th grade what is 9/26 with a remander

*Monday, May 23, 2011 by angelina*

**6th Grade Math**

76 is what percent of 15??????????????????

*Sunday, May 22, 2011 by Mbaintu*

**5th Grade**

write the number13 inbase six

*Saturday, May 21, 2011 by Raja*

**criminal justice**

Prepare a 6–8 slide PowerPoint presentation that addresses the following questions: •What are some of the ways that organized crime impacts you and a community and/or city (of your choice) directly? (This element will account for 20% of your grade.) •What are some of the...

*Wednesday, May 18, 2011 by nancy*

**Maths 7th grade**

How do you factorise?

*Tuesday, May 17, 2011 by Z*

**6th grade math**

how do you put 1 and 3/16 and 1 and 7/8 in simplest form and what is the answer?

*Friday, May 13, 2011 by Aiyana*

**physics**

If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...

*Thursday, May 5, 2011 by Allison*

**Physics**

If 7.00hp are required to drive a 1500-kg automobile at 66.0 km/h on a level road. What power is necessary to drive the car at 66.0 km/h down a 1.00 % grade? It requires 42.9 hp to drive the car at 66.0 km/h up a 10.0 % grade (a hill rising 10.0 m vertically in 100.0 m ...

*Wednesday, May 4, 2011 by Allison*

**8th grade math**

If the sum of 1! + 2! + 3! + 4! + ... + 49! + 50! is divided by 15, what is the remainder?

*Wednesday, May 4, 2011 by Anonymous*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?

*Tuesday, May 3, 2011 by Anonymous*

**8th grade math**

2x-5y=14 3x+2y=40 what is the solve of xy ?

*Tuesday, May 3, 2011 by Anonymous*

**5th grade math**

how do you reduce 15/20 and 8/20?

*Monday, May 2, 2011 by mary*

**math**

in 4a and 4c there are same no of girls total there are 56 people in both the classes if 1/3 of people in 4a and 1/4th of people in 4c are girls find total number of girls in both the classes

*Monday, May 2, 2011 by Anonymous*

**8th grade math**

3.5 X 10 ________ 7 x 10^-9

*Sunday, May 1, 2011 by john*

**8th grade science**

Is it probable that the sun will become a supernova? Why or why not?

*Friday, April 29, 2011 by Kallie*

**Spanis8th grade**

Is this correct? Tú salgas la escuela a las ocho.

*Thursday, April 28, 2011 by Jodie-*

**math**

An average score of 90 or above in a history class receives an A grade. You have scores of 90, 89, and 85 on three exams. Find the range of scores on the fourth exam that will give you an A grade for the course. (Let N stand for your score on the fourth exam.)

*Wednesday, April 20, 2011 by lucy*

**math algebara 8th grade**

system of equations thank you 2x+3y-17 3x+y=31 2(x-3y)=24 y=3x-2 2(x+4)=24 x+y=17

*Wednesday, April 20, 2011 by amey*

**Stat**

P(A)=.10, P(B)=.30, P(C)=.40, P(D)=.10, P(F)=.10. Determined the expected grade and variance for the course.

*Sunday, April 17, 2011 by RB*

**grade nine math Polynomials**

4s + 3 -s = -6

*Wednesday, April 13, 2011 by peyton*

**grade 9 math**

Does this answer seem correct. 2k+3=4k-5 2k-4k+3-3=-5-3 2k-4k=-5-3 -2k/-2k = -8/2 k=4

*Tuesday, April 12, 2011 by brooke*

**5th grade Math**

Explain how you can find the product of 5 and 3/4.

*Thursday, April 7, 2011 by Sarah*

**social studies 8th grade**

what are the factors of industrial development

*Thursday, April 7, 2011 by hunt*

**science**

I have two questions I need help with. First is a two word answer for _____ can occur when heat from a volcano melts snow on a mountain. Total of 12 letters, 2nd is a, 4th s, 12th t. Second question-what is a 7 letter word for a mixture of loose sand, rock, and water moving at...

*Thursday, March 31, 2011 by ccrs*

**math**

What is 5,280 feet divided by 26 miles? 5th grade

*Thursday, March 31, 2011 by Vinny*

**ryhme scheme**

6 grade poetry plz help im dislexic and retarted

*Wednesday, March 30, 2011 by papa jack*

**7th grade**

use backtracking to solve each e quations ?. 2x +1=9, 7k-3=32, 5(n-8)=25 2(2t-1)=14 8x-1=63 ,2x-5=15,

*Tuesday, March 29, 2011 by holiday*

**7th grade math**

what is an equation?

*Sunday, March 27, 2011 by holiday*

**7th grade math**

what is an equation?

*Sunday, March 27, 2011 by holiday*

**7th grade math**

2x+7=4x+3 ? 3x+6=5x+1 ? 2n+6=8N+3 ? 6N+9=9n+6 ?

*Sunday, March 27, 2011 by holiday*

**3rd grade math**

16 1/2 x 33 = is it 792

*Sunday, March 27, 2011 by Sharon*

**grade nine polynomials**

(3/4) (1/-2) + (5/6) (-1/3)

*Sunday, March 27, 2011 by brooke*

**grade 9 polynomials**

7 (r+3s) - 2(2r -9s) I am having a hard time solving can anyone please help

*Sunday, March 27, 2011 by brooke*

**6th grade math**

s=5m find the area of square

*Monday, March 21, 2011 by Sally*

**Fractions-easy 5th grade**

Multiply and divide. 1) -2 4/11(-2) 2) 5 1/7 / 4 1/8

*Saturday, March 19, 2011 by Justin*

**Second Grade Fractions**

4/6 of 18 is ?

*Thursday, March 17, 2011 by Rosie*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4

*Wednesday, March 16, 2011 by casey*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4

*Wednesday, March 16, 2011 by casey*

**5th grade math**

please show how to get the answer... w>2 d+6<15 s-1>4

*Wednesday, March 16, 2011 by casey*

**MATH**

A track meet awards 6, 5, 4, 3, 2 and 1 points for 1st, 2nd, 3rd, 4th, 5th and 6th places, respectively. Team A’s only two runners originally earned 6 points in the ﬁrst race with both runners ﬁnishing in the top 6, but then the winner of the ﬁrst race ...

*Wednesday, March 16, 2011 by ABC123DoReMi*

**English-writeacher**

Hey, I just wanted to let you know that I got the grade back for that english paper you helped me write a few weeks back...the movie analysis on A Walk to Remember. I got a B! : ) But I have a chance to revise it according to the teachers comments and turn it in for a better ...

*Tuesday, March 15, 2011 by y912f*

**5th grade math**

is 13/20 greater than 3/4

*Tuesday, March 8, 2011 by Olivia Hines*