# Homework Help: 4th Grade

**science**

Estimate the 4th ionization energy of beryllium (Be). Express your answer in Joules (J/atom).

*Friday, November 16, 2012 by hi*

**Math Statistics**

Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?

*Tuesday, November 6, 2012 by Milen*

**Math Statistics**

Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?

*Tuesday, November 6, 2012 by Milen*

**math**

the manager of a starbucks store plans to mix A grade coffee that cost 9.50 per pound with grade B coffee that cost 7.00 per pound to create a 20 pound blend that will sell for 8.50 a pound. how many pounds of each grade coffee are required?

*Tuesday, October 30, 2012 by faye*

**4th garde math**

find the landmark in the set of number: 12, 16, 23, 15, 16, 18.

*Thursday, October 25, 2012 by Anonymous*

**5th grade math word problems**

Frank saved 50% by purchasing his airline ticket early. His wife paid full price. If their total was $294 how much was Franks's ticket only? Can someone please explain this to me in 5th grade terms.

*Wednesday, October 24, 2012 by Anonymous*

**business statics**

a random sample of the grade of 78 students is taken. what is the probability that the average grade will be between 80.3% and 82.3%?

*Sunday, October 21, 2012 by kenneth*

**College Math**

Find the area of a rectangle if three of its corners are (-3.7, -3.1), (1.2, -3.1), and (1.2, 5.3). Hint: find the 4th corner first.

*Friday, October 19, 2012 by Richard D*

**College Math**

Find the area of a rectangle if three of its corners are (-3.7, -3.1), (1.2, -3.1), and (1.2, 5.3). Hint: find the 4th corner first.

*Friday, October 19, 2012 by Richard D*

**algebra**

how do I evaluate 2x to the 4th power + 2 x to the 3rd power + x to the 2nd power when x + 7

*Thursday, October 18, 2012 by Anonymous*

**Math**

Jessie’s average grade in Algebra for the first two terms is 73.5. What grade must he get in the third term to have an average of 75?

*Wednesday, October 17, 2012 by Milen*

**science**

Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet?

*Tuesday, October 9, 2012 by Slippy*

**Precalc/Trig 2**

The point P lies in the 4th quadrant and is located on a circle of radius 2. Find the missing coordinate for P. (___, (negative square root of 3)).

*Monday, October 8, 2012 by Greg*

**statistics**

You are given the following data. Number of Absences Final Grade 0 95 1 91 2 82 3 69 4 67 5 58 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.

*Thursday, October 4, 2012 by mom*

**3rd Grade Math**

There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? How can I explain this to my 8yr old in 3rd grade? I've got myself so confused in the process of trying to figure it out ...

*Tuesday, October 2, 2012 by Lisa*

**math**

there are 15 boys and 18 girls in fifth grade. Find the ratio of boys to girls in fifth grade.(how do I get the answer) can someone show me how to work the problem

*Monday, October 1, 2012 by dan*

**math**

two numbers differ by 11 and 1/3rd of the greater exceeds 1/4th of the other by 7 . find the number ???

*Monday, October 1, 2012 by TUHITUHI*

**Math**

The value of the 4th digit number you made would change by how much if the digit is in the tens place were replaced by 9 . My number is 7653

*Tuesday, September 25, 2012 by Famke*

**math**

find the 3rd multiple of 100, the 4th multiple of 10,and the 9th multiple of 4

*Sunday, September 23, 2012 by kaci*

**math,social studies and heaalth**

I am in middle school and I want to know what my grade point average is. Do you know any websites where I can calculate my grade point average. Thanks.

*Wednesday, September 19, 2012 by Yog*

**Arithmetic Progression**

In an AP the 6th term is half the 4th term and the 3rd term is 15. a. Find the fist term and the common difference. b. How many times are needed to give a sum that is less than 65?

*Monday, September 17, 2012 by Math*

**Chemistry**

What is 6.3 x 10 to the 4th power converted to scientific notation

*Sunday, September 16, 2012 by Kayla*

**physics**

A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, what is the distance traveled by the car before it comes to rest?

*Sunday, September 16, 2012 by Lorraine*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...

*Sunday, September 16, 2012 by alhaji*

**Database**

Following report shows a grade report that is mailed to students at the end of each semester. Prepare an E-R diagram reflecting the data contained in the Grade Report. Assume that each course is taught by one instructor. MILLENIUM COLLEGE GRADE REPORT FALL SEMESTER 199X NAME: ...

*Saturday, September 15, 2012 by alhaji*

**7th grade science**

I did my calculations wrong and now Im going to get a bad, bad, bad grade on my lab report I need to know what how to find the highth and width and radius of several things are help me plz!!!!

*Saturday, September 15, 2012 by Olyvia*

**7 th grade math**

hey i need to new what it the answer for this question 35 fewer than 168 and this is 7 th grade math so plz tell me thanx

*Monday, September 10, 2012 by liliana hernandez*

**chemistry**

how to complete (2.8 x 10 to the 7th) x (8.8 x 10 to the 4th) in scientific notation

*Sunday, September 9, 2012 by Jessica*

**Math, Pre Calc**

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)

*Wednesday, September 5, 2012 by Nikki*

**math**

I need some ideas for teaching statistics and probability to 4th graders

*Saturday, September 1, 2012 by Carol*

**math**

3+2*3 to 4th power*5. my answer is 2025. I was told i was wrong, please help.

*Saturday, August 25, 2012 by ^^^^kesha*

**programming**

write a flowchart program which shows persentes of 4 student 1st 2nd 3rd 4th meximum nd minimum?

*Monday, July 30, 2012 by shalini sharan*

**trig**

given cot-A square root of 5, find cot-B at the 4th quadrant.

*Saturday, June 23, 2012 by ash*

**maths**

how to write 4th june 2012 in letters without using numbers

*Monday, June 4, 2012 by neetu*

**3rd grade math**

I CANNOT BELIEVE THIS IS A THIRD GRADE WORKSHEET! THIS IS SOO INAPPROPRIATE. THEY HAVE NEVER DONE LONG DIVISION OR REMAINDERS & THERE IS ONE WEEK OF SCHOOL LEFT & THIS IS WHAT THE TEACHER HANDS OUT.....86 DIVIDED BY 9, 17 DIVIDED BY 3, 73 DIVIDED BY 8 ! HOW MANY FLUID OUNCES ...

*Tuesday, May 29, 2012 by Trey*

**math**

mike has an average of 89 on the five tests he has taken so far this semester. what grade must mike earn on the next test to raise his average grade exactly to 90?

*Tuesday, May 29, 2012 by keke*

**math**

Identify -7x^3+6x^2+6x+9 1st, 2nd, 3rd, and 4th terms. Thanks

*Saturday, May 5, 2012 by Alexis2*

**Utech**

The 9th term of an Arithmetic Progression is 8 and the 4th term is 20. Find the first term and the common difference.

*Tuesday, May 1, 2012 by Jennifer*

**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*

**physics**

When an electron jumps from the 4th orbit to the 2nd orbit which series line does it get?

*Thursday, April 19, 2012 by its urgent!!!!!!!!!!*

**4th GD MATH: NEED HELP NOW!!!!!**

I forgot the difference between the divisor and the dividend. IN DIVISION.

*Thursday, April 12, 2012 by Nix The Robot*

**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*

**physics**

a ball striking a horizontal plane with a velocity v rebounds with a velocity 256v/625 after 4th collision. the coefficient of restitution is?

*Wednesday, April 11, 2012 by srikala*

**4th math**

ordr these fractions from least to greatest 1/3,2/4,3/5,2/7,4/9

*Monday, April 2, 2012 by kamryn*

**math**

The 2nd, 3rd and 4th term of an ap are x-2,5,x+2 respectively ,calculate the value of x

*Friday, March 30, 2012 by wale2*

**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*

**maths**

in an A.p 6th term is half the 4th term and the 3rd term is 15.How many terms are needed to give a sum that 16 equal to 66.

*Wednesday, March 7, 2012 by remyaravindran*

**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*

**University Physics**

Building A and Building B are 30m away from each other, on the 4th floor; 35m high, someone has set up a slingshot from the window on the 4th floor of building A and is trying to sling a balloon into the window directly across from them in building B. the balloon weights 1 kg...

*Monday, March 5, 2012 by Britt*

**4th grade challenging math questions**

a pioneer family plans to build a barn.they will need 12 large support posts along each side wall and 8 posts along both the front and back walls.they can cut the two posts from each tree that they chop down.How many trees should they chop down?How did you find your answer? B...

*Thursday, March 1, 2012 by Celest*

**4th grade science**

my science teacher showed us a diagram of a tiny light bulb on top of a D-cell battery,there was an electric wire touching the bottom of the light bulb.the electric wire was touching the bottom of the light bulb to the bottom of the battery.BUT, the other end of the electric ...

*Tuesday, February 28, 2012 by Celest*

**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*

**math-geometry**

what does a caster net of a 4th of a 3D circle look like

*Sunday, January 29, 2012 by shahriar alam*

**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*

**Geometry**

The endpoints of one diagonal of a rhombus are (0, -8) and (8, -4). If the coordinates of the 3rd vertex are (1, 0), what are the coordinates of the 4th vertex? (7, -12) (7, -8) (-8, -4) (-4, -12)

*Tuesday, January 17, 2012 by debbie*

**geometry**

The endpoints of one diagonal of a rhombus are (0, -8) and (8, -4). If the coordinates of the 3rd vertex are (1, 0), what are the coordinates of the 4th vertex? (7, -12) (7, -8) (-8, -4) (-4, -12)

*Tuesday, January 17, 2012 by debbie*

**math**

Find the area and perimeter of a rectangle for which (– 2, 2), (7,2), and (7, – 3) are three of the vertices. What is the 4th vertex?

*Monday, January 16, 2012 by shirley*

**physics**

calculate speed of 8.0 times 10 to the 4th kilogram airliner with a kinetic energy of 1.1 times 10 to the 9th jewles

*Saturday, January 7, 2012 by mary*

**Hardwork I done already! :)**

7th Grade 7th grade Grades (1st quarter to 4th quarter): English 7 - 99 Math 7 - 91 Social Studies 7R - 91 Science 7R – 80 Fine Art 7 (advance art) – 100 Strings 7 – 100 Gym 7 and 8 – A GPA: 1st Quarter – 93.50 2nd Quarter – 3rd Quarter – 4th Quarter - Clubs/...

*Friday, December 30, 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*

**social**

What was the appeal of christianity in the early 4th century. What was it's main message and what made people so interested in it?

*Sunday, December 11, 2011 by jon*

**8th Grade**

Me and my friend are making our own 8th grade binder, you know like writing down planns for our 8th grade year. Here are the sections: - To-Do-List - Doodles (if you are bored) - Projects that are do (school plans) - Graduation Plans (speech, to-do-list, etc.) - Dates for ...

*Monday, December 5, 2011 by Laruen*

**PARP**

PARP stands for parents as reading partners. I did this in gade 4th and 5th and I was wondering if we do it in middle school????

*Monday, December 5, 2011 by Laruen*

**4th gr math**

Algebra question....Find the missing number. Tell which property can help you. _______ x 9=0. The answer is 0, I'm having trouble with the second question.

*Tuesday, November 29, 2011 by Miya*

**advanced algebra**

How do you factor 9(b to the 4th power) - 200

*Thursday, November 24, 2011 by kmoore*

**arithmetic**

If you treat the day of the month as a number (March 12th is the number 12, April 4th is the number 4), what is the average value of the numbers that represent the 6 Tuesdays that fall after September 12, 2011

*Wednesday, November 16, 2011 by Susan*

**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*

**Accounting**

If you treat the day of the month as a number (March 12th is the number 12, April 4th is the number 4), what is the average value of the numbers that represent the 6 Tuesdays that fall after September 12, 2011?

*Wednesday, November 16, 2011 by Gabe*

**algebra**

Using the following pattern determine the number in the 4th place: 9, 12, 18, .....

*Monday, November 14, 2011 by Anonymous*

**algebra**

Using the following pattern determine the number in the 4th place: 9, 12, 18, .....

*Monday, November 14, 2011 by Anonymous*

**mercy land**

the 2nd, 3rd, and 4th term of an arithemetic progression are x-2, 5 and x+2 respectively, calculate the value of x and hence find the 20th term..

*Tuesday, November 8, 2011 by victor*

**MATH**

Find the value of A + B if the A is the first term and B is the common difference of the sequence whose 4th term is 3 and 20th term is 35

*Monday, November 7, 2011 by Katie*

**math algebra in second year level**

venus says that the quantity of 6m raise to 5 over 4 are equal to 6m 4th root of 6m?do you agree why or why not?

*Monday, November 7, 2011 by sheila mae*

**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*

**Algebra**

Is this radical expression true or false? 28 minus 4th root of 2 equals 24th root of 2

*Tuesday, November 1, 2011 by Kelly*

**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*

**Logic**

Gene will teach 7th grade of Gene will teach 8th grade. If Gene teaches 7th grade, he will be assigned to the Sunset Road School. Gene will carpool with Chris if he is assigned to the Sunset Road School. If Gene teaches *th grade he will have his daughter Briana in his class. ...

*Sunday, October 30, 2011 by John*

**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*

**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*

**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*

**science**

This is for a 4th grd science project. I am in doubt in what independent variables to use for the project. The topic that my daughter selected is Does heart rate INCREASE with INCREASING SOUND volume? Thank you for your help!!!

*Thursday, October 6, 2011 by priscila*

**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*

**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*

**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*

**Calculus**

proof that the limit as x approaches 2 of x to the 4th equals 16

*Friday, September 16, 2011 by Greg Gilchrest*

**Math 4th gr**

How do I write this in standard form 3,000,000+200,000+40,000+600+70+7?

*Thursday, September 15, 2011 by Miya*

**arithmetic**

If you treat the day of the month as a number (March 12th is the number 12, April 4th is the number 4), what is the average value of the numbers that represent the 6 Tuesdays that fall after September 12, 2011?

*Monday, September 12, 2011 by Kesha*

**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**

(1.0900 x 10to the 4th) X (2.098X 10 to the 14th) divided by (7.45x 10 to the negative 6th power)

*Tuesday, August 30, 2011 by Connie*

**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*

**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*

**Stats**

a raw score on a particular intelligence test is known to be approximately normally distributed in a population of 4th graders, with a mean of 95 and variance 81. which score has the property that there are 15% of scores in the population that are above it?

*Friday, July 15, 2011 by Jason*

**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*

**maths**

how to write 4th july 2011 in 5 letters without using letters

*Thursday, July 7, 2011 by shamna*

**Algebra 2**

Provide an appropraite response. If y varies inversly as the 4th power of x and y=3 when x=2, what is y when x=0.5? If Q varies inversly as the sqaure root of R and Q=2 whe R=4, what is Q when R is 25?

*Wednesday, July 6, 2011 by CC*