Saturday

January 21, 2017
**physics**

A box is on Callisto (2nd largest moon of Jupiter). The box weighs 36 lb and is in free fall. How much force is the box exerting on Callisto and in what direction?

*Tuesday, February 11, 2014 by Anonymous*

**Physics**

A box is on Callisto (2nd largest moon of Jupiter). The box weighs 36 lb and is in free fall. How much force is the box exerting on Callisto and in what direction?

*Tuesday, February 11, 2014 by Anonymous*

**economic**

Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give you ...

*Sunday, February 9, 2014 by thiti*

**economic**

10. Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give ...

*Sunday, February 9, 2014 by thiti*

**math**

guess my rule with two rules. Having such as hard time understanding this and would like to be able to explain to my 2nd grader! home wor sheet has 2 circles joined togeather, rule A has 2 girls in it with glasses, in the middle there is another girl with glasses, in rule B ...

*Tuesday, February 4, 2014 by kate*

**12th Grade Vocabulary Antonyms Practice**

Does anyone know of a good place that I can practice 12th grade vocabulary antonyms?

*Saturday, February 1, 2014 by Angela*

**2nd Order linear ODEs**

I'm having trouble solving this problem: For the equation x^(2)y′′ - xy′ = 0 , find two solutions, show that they are linearly independent and find the general solution. Hint: Try y = x^(r). I divided the equation by x^(2) first to simplify it, and then I...

*Thursday, January 30, 2014 by Student*

**maths**

The 2nd term in Geometric sequence is -4 and the 5th is 32 ,find the general formula \term and the first 3 terms ,find the 18th term

*Tuesday, January 21, 2014 by Awe*

**statistics**

What is the probability for a: a.Â Â Â ;Â Â Â Randomly selected person being a male in grade E? b.Â Â Â ;Â Â Randomly selected male ...

*Sunday, January 19, 2014 by Anonymous*

**Fifth grade math**

If a wom and a sail race who will it be

*Saturday, January 11, 2014 by Doodle*

**statistics**

Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores are in the same ...

*Tuesday, December 31, 2013 by Lyndyc*

**linear optimization**

During a summer session a student enrolls in two courses, psychology for four hours and engineering for three hours. The student wants to use the available time to amass the largest number of grade points (numerical grade multiplied by the number of hours). Students who have ...

*Sunday, December 29, 2013 by gemicia*

**language arts**

Identify the appositive phrase in the following sentence. Mrs.Talavera,an eight grade teacher at Rosewood Middle School,led the community meeting about childhood obesity. -Mrs.Talavera -an eight grade teacher at Rosewood Middle School -led the community -about childhood obesity

*Tuesday, December 17, 2013 by Anoymous*

**Math (7th grade)**

I have a math question that I do not really understand how to answer is there someone who can walk me through it? In Pinecrest middle school there are 58 6th graders 76 7th graders, and 38 8th graders. The counsel is made up of 35 students who are chosen to represent all three...

*Tuesday, December 17, 2013 by Shawna*

**physics**

An automobile moving at a constant velocity of 15 m/s passes a gasoline station. Two seconds later, another automobile leaves the station and accelerates at a constant rate of 2 m/s^2 in the same direction as the 1st automobile. How soon does the 2nd automobile overtake the ...

*Monday, December 16, 2013 by caisip*

**Math 5th grade**

what are three equivalent fractions for 6/11 and 6/9 and 5/8

*Monday, December 9, 2013 by Shauna Garrett*

**7th grade mat**

8g+2+4g-2-3g=? (9g)

*Thursday, December 5, 2013 by Anonymous*

**Physics I Newton's 2nd Law**

I need help! I cannot seem to figure out what I will need to do for my final tomorrow. I will be given a mass of a glider and an acceleration. Another mass (my unknown) will be tied to a string to the glider and will graphically give me my acceleration. How do I find the mass ...

*Wednesday, December 4, 2013 by Chrissie*

**MATHS**

24 1c coins are set out in a row on a table Then every 2nd coin is replaced by a 2c coin every 3rd coin is replaced by a 5c coin every 4th coin is replaced by a 10c coin every 5th coin is replaced by a 20c coin every 6th coin is replaced by a 50c coin and every 7th coin is ...

*Tuesday, November 19, 2013 by LARA*

**4th Grade Math: Help Is Needed ASAP**

My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of 1/8, 1/4, and 3/8? 7...

*Monday, November 18, 2013 by Tim*

**math**

Carlos was 5feet,8inches tall at the beginning of ninth grade. he grew 4 3/4inches during that school year and 2 1/4inches during follow the summer. how tall was Carlos at the beginning of tenth grade? Express his height in feet and inches.

*Monday, November 18, 2013 by miina*

**physics**

Two forces act on an object. The first force has a magnitude of 17.0 N and is oriented 68.0Â° counter-clockwise from the x axis, while the 2nd force has x- and y-components (-19.0 N, 16.5 N). Express the magnitude and direction of the net force.

*Thursday, November 14, 2013 by James*

**Math 8th grade**

Type the missing number. -25 -23 -22 -21

*Saturday, November 9, 2013 by greg*

**math 5th grade**

How to solve 547X73

*Friday, November 1, 2013 by hannah*

**math 5th grade**

How to solve 547X73

*Friday, November 1, 2013 by hannah*

**biology**

Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?

*Monday, October 28, 2013 by HELP PLEASE*

**Biology**

Imagine that you collected your data above, threw away the gel, and re-ran PCR again on the same samples, but using a different set of primers. How will the 2nd gel differ from the first since you're using a different set of primers?

*Monday, October 28, 2013 by Anonymous*

**Physics**

A 20-kg child sits on a see saw on the playground, 3.0 m from the pivot. A 2nd child is seated on the other side of the pivot and 2.00 m from the pivot. The mass of the second child needed to lift the first child off the ground is

*Monday, October 28, 2013 by Mikhail*

**chemistry**

A typical bathtub can hold 106 gallons of water. Calculate the mass of natural gas that would need to be burned to heat the water for a tub of this size from 56 ◦F to 87 ◦F. Assume that the natural gas is pure methane (CH4) and that the products of combustion are ...

*Saturday, October 26, 2013 by maria*

**english**

Please help me. I wanna make sure if all corrects this. Thanks. Some people are so (1)ominous to living near a nuclear plant that they want the plantâ€™s license to be (2)nullify. They say the plant infringes on every homeownerâ€™s right to ...

*Wednesday, October 23, 2013 by Franny*

**Geology**

Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...

*Thursday, October 17, 2013 by Matt*

**Geogoly**

Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...

*Thursday, October 17, 2013 by Matt*

**Pre Algebra**

In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the first four tests is 88.5. What is the lowest average he could get on his next two tests and still ...

*Thursday, October 17, 2013 by Ry*

**Survey Math**

A survey of 240 10th grade students in a local High School found that there were 140 girls and 100 boys in the grade. Of the 140 girls, 100 preferred gym class while 40 preferred art class. Of the 100 boys, 40 preferred gym class while 60 preferred art class. Construct a data ...

*Saturday, October 12, 2013 by Alex*

**fast answer plss**

the sum of four angles about a point is 360degree.the measure of the 2nd angle is 6degreemore than 3times the 1st,the measure of the 3rd is 3degree more than twice the first,the measure of the 4th is 20 degree less than the 3rd.what is the measure of each angle?

*Friday, October 11, 2013 by math algebra*

**math**

I need help on study links 2.9 for 5 grade

*Thursday, October 10, 2013 by tony*

**6th grade math**

6 1/2-7/8 / 5 11/16 evaluate the expresson

*Monday, October 7, 2013 by rupa*

**Exponents and division 8th grade**

x^4/x^16 i don't know 12^10/12^2 12^8 5n^14/20n^7 i don't know 6^8/6^8 1 a^9b^5/a^3b^15 i don't know /=divided by

*Monday, October 7, 2013 by rockrboigurlluvr14*

**more news**

What is the Watergate scandal and why could this story not have happened in 2012? I know what the watergate scandal is, it was the political scandal that led to Nixons resignation where burglars who broke into the Democratic party headquarters had ties to his administration.. ...

*Sunday, October 6, 2013 by Blaze*

**Shurley English Grade 4**

I'm suppose to write sentences from Grade 4 Shurley English book. I was suppose to bring book home and use page 25 - I forgot the book - anyone know what is on page 25? Thanks

*Wednesday, October 2, 2013 by Brayden*

**7th Grade Math**

Simplify Exponents ba*(2ba4)-3

*Sunday, September 29, 2013 by Millicent*

**Second Grade Reading**

Hello. I am a tutor. I tutor second grade students. I need a good website that will give me great tips on how I can better teach my students how to read, spell, and pronounce words. Can you please help me find a website like that?

*Saturday, September 28, 2013 by Qiayamah*

**grades**

your average grade if you get a b- then you get a d+ ?

*Thursday, September 26, 2013 by rockrboiluvr14*

**12th grade chemistry**

What is the structure for ethyl ethanamide? (Ie. c-c-N-c-c) ??? Thanks

*Tuesday, September 24, 2013 by Michaela*

**8th Grade Math**

25/50 x 60/70 x 100/200= 72 6/7

*Tuesday, September 24, 2013 by Nick*

**statistics**

suppose that grade point averages of undergraduate students at one university have a bell shaped distribution with a mean of 2.55 and a standard deviation of 0.43. Using the empirical rule, what percentage of students have grade point averages that are between 1.26 and 3.84

*Monday, September 23, 2013 by roy*

**math grade 10**

Solve 3p-6q = 0 4p+1q = 3 Using any method Thank you!!!!

*Monday, September 23, 2013 by rose*

**Math/Piecewise functions**

Write a piecewise definition for the tax due T(x) on an income of x dollars When x <= $15,000..... 3% of taxable income When $15,000 < x <= $30,000....... $450 plus 5.85% of excess over $15,000 When x > $30,000........ $1327.50 plus 6.8% of excess over $30,000 I ...

*Sunday, September 22, 2013 by Ally*

**dma 040**

42 inch cut into 3 pieces. Piece 2 is twice as long as 1st and 3rd piece. Piece 3 is three times as long as piece 1. How long are the pieces 1st board 2nd board 3rd board

*Sunday, September 15, 2013 by Anonymous*

**pre-algebra**

There are 1,400 students in a school.The number of girls is 3/4 the number of boys.How many students are in the other grade levels if 1/6 of the girls and 1/5 of the boys in first grade?

*Thursday, September 12, 2013 by Fernando*

**Money and Banking**

1. A firm uses capital to produce revenue. The marginal revenue from the first 5 units of capital is as follows: 1st unit has MR 2.30, 2nd unit has MR 1.9, 3rd unit has MR 1.70, 4th unit has MR 1.35, and 5th unit has MR 1.15. If the interest rate is 50%, what is the optimal ...

*Sunday, September 8, 2013 by Anonymous*

**health 5 grade**

i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...

*Friday, September 6, 2013 by niki*

**Math**

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?

*Wednesday, September 4, 2013 by Anonymous*

**Math**

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?

*Wednesday, September 4, 2013 by Anonymous*

**Math 6th grade**

Can you give me a word problem for 11/12 / 1/4?

*Tuesday, September 3, 2013 by Lauren*

**Algebra**

the area of a triangle can be determined by using the formula A= 1/2bh, where b is the length of the base, and h is the length of the height. Determine the area of a triangle with a base which is 7x to the 2nd power and a height which is 8x feet.

*Monday, August 26, 2013 by Ken*

**math**

what does the word array mean in 3rd grade

*Friday, August 23, 2013 by abenezer*

**ENGLISH**

How to do this......please show me.... Take 2 A4 sheet.On one write PROPER NOUNS and stick related picture cut outs.On the 2nd sheet write COMMON NOUNS and paste related picture cut outs.

*Thursday, August 22, 2013 by laly*

**math**

Ez stop fast gas sold 10957 worth of gasoline yesterday. Redular grade sold for 2.30 a gallon and premium grade sold for 2.55 a gallon. If the station sold 420 more regular than premium, how many gallons of regular were sold

*Monday, August 12, 2013 by Anonymous*

**children who require special treatment**

mr.ames is married and has two children.he abuses alcohol.a family therapist would classify mr ames family as have a sick family pattern of a ? a.weak father b.2nd class family c.malevolent mother d.soluble dad my answer is d

*Wednesday, August 7, 2013 by susue*

**Excel**

Say this is my cell: 2013 *aaron e. pacheco*9743 2nd Avenue*Boca 33431 *pacheco@fau.edu*9049 how would i use the text function to extract the first, middle, and last names from a list of cells like the one above with differing name lengths? and possibly some without middle ...

*Tuesday, July 9, 2013 by Dom*

**math**

Jane uses a jar to save her money. She saves $10 from her weekly allowance in the 1st week, $12 in the 2nd week, $14 in the 3rd week, and so on. How much money will she have saved in 10 weeks?

*Friday, June 21, 2013 by terrell*

**grade 4 math**

exponential form of 59,187

*Thursday, June 20, 2013 by jexzey heily*

**9th grade math**

Solve -4(x-3)>2x A. x>6 B. x<2 C. x>3/2 D. x<-1/2

*Tuesday, June 4, 2013 by elia*

**5th grade math**

what is the common denominator to 3/5, 1/3, and 1/6

*Tuesday, May 28, 2013 by Kim*

**Science (2nd Try)**

To determine the boing point of a liquid, a student heats 10 mL of the liquid in a test tube and records the temperature every minute for 20 minutes. In this example, time is the what? The choices are: Independent variable dependent variable hypothesis control Is it dependent ...

*Thursday, May 23, 2013 by Jane*

**math (2nd Try)**

A salesman gets paid on commission, and his commission is based on how many units he sells during the month. If the salesman sells $1500 worth of units or less, he makes a flat commission of $900 plus 10% of the sale. If he sells more than $1500 worth of units, he makes an ...

*Monday, May 13, 2013 by Jane*

**stats**

It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher scores indicate higher ...

*Wednesday, May 8, 2013 by Anonymous*

**statistics**

A certain professional soccer team runs a 4-4-2 formation on the field. This means they play with 4 defenders, 4 midfielders, 2 forwards, and 1 goalkeeper on the field. If the team has 6 defenders, 5 midfielders, 3 forwards, and 2 goalkeepers, how many different groups of 11 ...

*Tuesday, May 7, 2013 by amgad ahmed*

**propability!!!**

A certain professional soccer team runs a 4-4-2 formation on the field. This means they play with 4 defenders, 4 midfielders, 2 forwards, and 1 goalkeeper on the field. If the team has 6 defenders, 5 midfielders, 3 forwards, and 2 goalkeepers, how many different groups of 11 ...

*Tuesday, May 7, 2013 by amgad ahmed*

**5th grade math**

What is 508 times 7?Thanks if you help:)

*Monday, May 6, 2013 by Kim*

**Math**

I'm having a hard time coming up with the right equation to solve this one. E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular grade sold for $2.30 a gallon and premium grade sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of ...

*Wednesday, May 1, 2013 by Ann*

**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*

**statistics**

The manager of a local gym has determined that the length of time members spend at the gym is a normally distributed variable with a mean of 80 minutes and a standard deviation of 20 minutes. What proportion of members spend less than 55 minutes at the gym? Use the standard ...

*Friday, April 26, 2013 by mk.*

**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*

**algerba 1**

1. the sum of 3 numbers is 207. the 2nd # is 8 times the first, while the third is 3 less than the first. find the #s. 2. the sumof 3 numbers is 161. the second number is 6 times the first, and the third is 5 more than the second. find the #s. Thanks so much!

*Saturday, April 20, 2013 by kelly*

**Math**

Ms Perez owns 2 properties in different towns. The 1st property is assessed at $125,000 and has a tax rate of $6.35 per 1000 dollars. The 2nd property has the same assessed value, but is taxed at the rate of $0.00587 per dollar. Derive the solution to the total tax obligation ...

*Friday, April 19, 2013 by Jane*

**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*

**stat probability**

An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?

*Monday, April 8, 2013 by Lynn*

**LBCC**

An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?

*Sunday, April 7, 2013 by Lynn*

**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*

**Algebra 8th grade**

3a + 5b = 70 6a + 9b = 135

*Monday, April 1, 2013 by Anon*

**Algebra help**

I need some help I posted the first question to this a bit ago but didn't enter it correctly so sorry to those who helped! I also have a 2nd half which I understood till they added the dividing part. I need to find the first five terms of each recursive sequence. 1.C1=64, ...

*Monday, April 1, 2013 by John*

**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 â€œgrade&...

*Monday, April 1, 2013 by sharon*

**algebra 10th grade**

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

*Thursday, March 28, 2013 by mary*

**Math**

Hi i'm having trouble with a question. it states During the Summer you take 2 part time jobs. The first job pays $5 per hour. The 2nd Job pays $8 per hour. You want to earn at least $150 a week and work 25 hours or less a week. Write a system of inequalities that model the...

*Wednesday, March 27, 2013 by Alex*

**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*

**Math**

I have 5 friends. I bought three pizzas (all the same size). One was divided into 4 equal parts, the 2nd was divided into 6 equal parts and the 3rd pizza was divided into 8 equal parts. Is there any way I can show how to share these pieces so that each of of us gets the same ...

*Tuesday, March 12, 2013 by Sasha*

**3rd grade math**

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

*Monday, March 11, 2013 by Lilly*