Wednesday

May 25, 2016
**3rd grade**

My son has this Math word problem and I can come up with the answer but, I don't know how to explain to him how I got the answer. The problem is:Lauren has collected 150 nickles and dimes. She has 70 more nickles than dimes. How many nickles and how many dimes does she have?
*Wednesday, October 8, 2008 by Kathy*

**3rd grade art**

In the picture, "Reading to Children" by Mary Cassatt. What is going on in the painting. She has to write a story. We started with, she is reading to the children. They look focused and interested on what she is reading and the teacher says, redo :( can anyone help? ...
*Saturday, October 4, 2008 by elaine*

**3rd grade Math**

This is the exact question that is in my son's math book. Please help, I'm completely confused on the question. REASONING Write in order from least to greatest the six numbers whose digits are 2,8, and 9.
*Monday, September 29, 2008 by Stacey*

**3rd grade**

math to endure the heat,firefighters wear protective gear that weighs about 40 pounds.If a suited-up firefighter weighs 220 pounds,how can you use mental math to find the firefighters weight without the gear?
*Tuesday, September 23, 2008 by trinity*

**3rd grade**

Using coins from home, build a design with mirror symmetry. Half and half? Then she needs to answer amount of $ side A is worth and how much $ the whole design is worth?
*Tuesday, September 16, 2008 by Anonymous*

**Lessson planning**

Hello, I need your help... I am a 3rd grade student teacher and I want to design a fun science or social studies (community) lesson for my class. I want a lesson that involves group collaboration, something that is hands -on and fun for the children. DO you have any ideas, ...
*Thursday, September 11, 2008 by Mary*

**Algebra**

Mutiplying a Binomial by a Trinomial (FOIL) First, Outer, Inner, Last Method (3X+2)(X-1)(X+3) I have tried equation several times. The book says the answer is: 3X 3rd + 8X 2nd - 5X -6 I get: 12X 2nd - 6X + 3X 3rd -4 Not sure if i am doing it wrong or if error in the book.
*Tuesday, April 22, 2008 by G*

**Algebra**

I am having trouble with finding the 1st and 3rd quartiles of a set of data. For example, let's say the data is: 4, 9, 11, 16, and 24<- these are cumulative frequencies. The median (or 2nd percentile)is 11, right? My teacher says it's 12. Then for 3rd quartile I got...
*Thursday, April 3, 2008 by Anonymous*

**Science**

A CHILD IS BORN ON EARTH IN 2000. yOU ARE 94.6 TRILLION KILOMETERS AWAY FROM EARTH AND YOU SEE THE CHILD'S 3RD BIRTHDAY. HOW OLD IS THE CHILD AT THE TIME OF THE CHILD'S 3RD BIRTHDAY?
*Thursday, February 7, 2008 by Chelsee*

**Algebra II**

The problem states: Saturn is approximately 1.4x 10 to the 9th power kilometers from the Sun. If light travels at approx. 3.0 x 10 to the 5th power kilometers per second, how long does it take light from the Sun to reach Saturn? Express your answer in scientific notation. The ...
*Sunday, February 3, 2008 by Lucy*

**math**

3rd grade The jacksons have pet dogs named Beau and Max. Beau is 2 years older than Max. The sum of thier ages are 16 years. How old is Beau? How old is Max?
*Thursday, September 27, 2007 by savannnah*

**School**

I was just wondering... So like, my teacher drops the lowest grade every new term and when my teacher dropped my lowest grade which says "no count" next to it, my grade went down. Is this possible?
*Friday, April 15, 2016 by Anonymous*

**Math**

How many 7th grade students are expected to move by the end of the year? If 12 students actually moved, did more or fewer 7th-grade students move than expected? Justify your answer. 6th-grade # of students: 250 % moves: 2% 7th-grade # of students 200 % moves: 4% 8th-grade # of...
*Tuesday, March 8, 2016 by Sid*

**3rd grade math**

The carpenter installs a rectangular wall that has a width of 5 feet and height of 8 feet. He has square tiles that will cover 35 square feet. What is the area of the wall? Does the carpenter have enough tiles to cover the wall?
*Wednesday, February 3, 2016 by Lost Mother*

**Math 3rd Grade**

Toddrick has a photo album. Some pages have one photo on them, and other pages have two photos on them. If Toddrick has 9 photos, how many different ways can he put in the album?
*Saturday, January 23, 2016 by Tsamg*

**Math**

At Jefferson School, both 6th grade & 7th grade classes take a math test. The average score for the 6th grade is 80 and for the 7th grade is 90. If there are twice as many students, in the 7th grade as there is in the 6th grade, what is the average test score for both grades ...
*Thursday, January 14, 2016 by Sidney*

**math**

what is the 3rd derivative of f(x)=x^2 e^x^2
*Sunday, December 27, 2015 by ruth*

**3rd grader**

How did you study multiplication fact?
*Thursday, December 17, 2015 by tom*

**3rd grade math**

Angies grandma lives in cleveland, ohio,and is going to drive to minneapolis, minnesota to vist Angie and her family. The two cities are 752 travel miles apart, and it takes 12 hours to drive that far. a) Angies grandma wants to do teh drive in two days. If she drives the same...
*Tuesday, December 1, 2015 by mythreyee*

**literature for kids**

Picture books are usually written on a __________ reading level. A. kindergarten B. first-grade C. third-grade D. fifth-grade A?
*Friday, November 27, 2015 by bev*

**Math 3rd grade**

The roadrunner bird can run 14 times miles per hour. That's 7 times faster than an ostrich can walk. How fast does an ostrich walk? 7 X ?= 14 I would write the equation like this. Not sure my 8 year old would be able to do this. She knows that 7x 2 or 7+7+14, but they want...
*Monday, October 5, 2015 by Lisa M.*

**English**

An informal reading response to the book Ordinary People by Judith Guest asks me to comment how on my emotional reaction to the Jarrett family while using 3rd person and present tense. I only really need help with the beginning and then I should be able to keep going. In the ...
*Friday, August 14, 2015 by Ryna*

**Math**

A student needed to get a final grade of 90 to get a grade of A for the semester. He scored 83, 85, 92, 86, and 87. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45?
*Thursday, August 13, 2015 by Kareen*

**Math**

A student needed to get a final grade of 90 to get a grade of A for the semester. If the last two scores would be counted as one score. What is the least grade the student would need to get to get a final grade of A? Is the answer 45? /
*Thursday, August 13, 2015 by Kareen*

**math**

How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? -- one line: y=mx+b second line perpendicular y= -x/m + c of course, you have to know m, b, c. ----- for the second line ...
*Monday, March 16, 2015 by may*

**3rd grade math**

Justin took photographs during a trip to the mountains. He used one roll of color film and one roll of black-and-white film. He took 1/3 of the pictures in color during a picnic with his family. If he took 36 pictures in all, how many color pictures did he take during the ...
*Friday, February 27, 2015 by Raul*

**3rd grade math**

A pile of index cards has a mixture of white, pink, yellow, red, and blue cards. Some cards are lined, and some are unlined. The total number of cards is 150. 2/5 of the cards are blue, 10 cards are white, and 10 cards are red. Half of the remaining cards are pink. How many ...
*Thursday, February 26, 2015 by Raul*

**3rd grade math**

There are 24 students in Ms. Messing's class. Six more students walk to school than ride their bikes. The number of students that ride their bikes is the same as the number of students that are driven to school. How many students walk to school? Please only use addition ...
*Monday, February 23, 2015 by Dawn*

**mathematics concepts**

Fraction symbols can usually be safely introduced A. at the beginning of third grade. B. near the end of first grade. C. near the end of third grade. D. at the beginning of second grade. my answer is c.
*Saturday, February 21, 2015 by Brittney*

**math**

Allie noticed that to get her test grade, she could take Valerie's grade, multiply it by 2 and subtract 15. If Valerie's test grade was x, how would you write Allie's test grade?
*Thursday, December 4, 2014 by zycuria*

**calculus**

1st digit is square root of 2nd digit 2nd digit is square of 1st sum of 3rd & 6th is 14 sum of 3rd 4th 5th & 6th is square of 4th sum of all digit is 37 multiplication of 1st & 5th is sum of 4th 5th & 6th sum of 2nd 3rd & 4th is multiplication of 1st & last.now
*Wednesday, July 23, 2014 by Dhanashree *

**3rd grade math**

Will arrived at his mother's office at 3 P.M. It took him 30 minutes to walk from his home to the mall. He was in the mall for 45 minutes. It then took him 15 minutes to walk to his mother's office. At what time did Will leave home?
*Monday, May 19, 2014 by Lindsey*

**5th grade math**

On each bounce a ball reaches 4/5 of the height of its previous bounce.How high will the ball bounce on its 3rd bounce? Also, how many bounces will it take the ball to bounce to a height that is less than 1/2 of the height of the first bounce?
*Monday, April 7, 2014 by Sue*

**Math, Geometry**

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 by Luis *

**Math **

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 by Jose *

**3rd grade math**

Brandon bought one more pair of sweatbands than luis. Each pair of sweatbands cost $3.88. He also bought one more bottle of sports drink than luis, each costing $1.75, and a granola bar, costing $0.98. What was the total cost brandon's purchase?
*Wednesday, March 26, 2014 by Josh*

**math(QUESTION)**

Suzan has a 69 as her grade in a class. If she does a quiz worth 9% of her grade what will her grade be?
*Friday, March 7, 2014 by dalia*

**math**

It says sam test scores for the making period were 60,89,83,99,95,60 Suppose that sams teacher decided to base the marking period grade on the mean. What grade would sam earn? Do you think this is a fair grade explain your reasoning?
*Monday, January 27, 2014 by ingrid*

**Fractions**

1/2 of the birds at a pet store are yellow. tara buys 1 of the yellow birds. then 1/3 of the yellow birds at the store are yellow. how many yellow birds were at the pet store before tara bought one? how can i explain it step by step in 3rd grade version
*Sunday, January 26, 2014 by Hannah*

**5th grade math**

In the fourth grade class at Baker Elementary, 9 students are left-handed. The fifth grade has 7 left-handed students and the sixth grade has 6. The number of students in the fourth grade is 3 times the number of left-handed students in the class. The sixth grade has 3 more ...
*Sunday, December 1, 2013 by Stephon*

**Grammar Advisor**

I just cannot figure out if these answers are correct or not. Can you please help me? 78. If the sound system hadn’t failed, last night’s show would have been better. This is a correct sentence using the 1st conditional form. x This is a correct sentence using the ...
*Wednesday, September 25, 2013 by William*

**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*

**Quantum physics**

docs(dot)google(dot)com/file/d/0B4uUFmATOigqbjAxU2tRNjVwa1E/edit?usp=sharing (a) What is the inner product of the 3rd row and 14th row of this matrix? b) What is the inner product of the 3rd row with itself? C) Suppose we have a quantum circuit that takes the input |0&...
*Sunday, September 8, 2013 by SS01*

**Math**

Approximately 15% of the students in ST130 obtain A grade. If 3 students are selected at random, find the probability that a)all of them obtain A grade in ST130. b)Exactly 2 obtain A grade in ST130. c)at least one obtain A grade in ST130
*Tuesday, August 27, 2013 by Anshu*

**conditional sentence**

1. If the sound system hadn't failed,last night's show would have been better a. this is a correct sentence using the 1st conditional form b. this is correct sentence using the 2nd conditional form C. this is a correct sentence using the 3rd conditional form answer A 2...
*Wednesday, June 12, 2013 by Jim Collum*

**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*

**math**

An elementary school collected a total of 240 cans during a food drive. Grade 3 students collected 1/3 of all the cans grade 4 students collected 52 cans, and the rest of the cans were collected by grade 5 students. How many cans did grade 5 collect? A.28 B.80 C.108 D.188
*Friday, March 29, 2013 by elena*

**3rd grade math**

there are 6 teams in the youth basketball league. during the season, each team plays 15 games.how many total quarters of basketball are played in all of the teams games during the season. each game made up of 4 quarters.
*Tuesday, March 5, 2013 by mythreyee*

**3rd grade math**

enzo and eric are a sharing a pie. if enzo eats 1/3 of the pie and eric eats 1/5 of the pie, is there more than 1/2 of the pie remaining.
*Monday, February 11, 2013 by mythreyee*

**math**

How do you explain to a 3rd grader that 1/2 + 1/8 > 1 whole
*Thursday, February 7, 2013 by Ashley*

**3rd grade math**

There are 30 books in a bookcase. The books in the bookcase are all poetry, history, and art books. Ten of the books are art books. There are 6 fewer poetry books than history books. How many poetry books are in the bookcase?
*Monday, February 4, 2013 by Anonymous*

**3rd grade math**

use a table and play money to solve the problems. item prices: postcard($1.13), keychain($3.87), park ranger patch($5.33) and stuffed animal($8.79). Jamie spent $5.00 on postcard and key chain, Darla sepent $9.20 on park ranger patch and key chain and Abraham had $5.10. Who (...
*Thursday, January 31, 2013 by mythreyee*

**3rd grade math**

in a survey, 8 out 10 students said they would like more time for recess. out of 100 teachers, 78 said they would not like to add more time for recess. write these figures as decimals and compare them
*Tuesday, January 29, 2013 by mythreyee*

**3rd grade math**

on one test, chi answered 76 out of 100 questions correctly. on another test, he answered test, he answered 7 out of 10 questions correctly. write these scores as decimals and compare them.
*Tuesday, January 29, 2013 by mythreyee*

**3rd grade math**

tyrone and jerome have the same number of marbles. 3/6 of tyrones marbles are blue. jerome has fewer blue marbles. which fraction shows the number of blue marbles jerome has A. 1/2 B. 2/4 C. 1.6 D. 4/6
*Wednesday, January 16, 2013 by mythreyee*

**3rd grade math**

nina has a quilt. 1/3 of the square on it are pink. rosa has the same size quilt. the fraction of pick square on her quilt is greater. which fraction show the pink squares of rosa's quilt. A 1/2 B 1/5 c 1/4 D 1/6
*Wednesday, January 16, 2013 by mythreyee*

**math**

You offer to do the dishes for your family for the next month.This month has only 31 days. You suggest that they can pay you in one of three ways: A. $0.50 each day.(I already did this;=$15.50 a month. B.$0.10 the first day,$0.20 the second day,$0.30 the third day,and so on. C...
*Monday, December 17, 2012 by Serpentlord123*

**3rd grade math**

Enzo and Eric are sharing a pie. If Enzo eats 1/3 of the pie and Eric eats 1/5 of the pie, is there more than 1/2 of the pie remaining?
*Tuesday, December 11, 2012 by Shal*

**3rd grade language**

Circle the verb in each sentence. then think of an exact verb to make the sentence more interesting. rewrite the sentence using your exact verb. 1. One night, Zia concetta goes to the statue. 2. The giant statue moves off the pedestal. 3. the statue's clever plan beats the...
*Tuesday, December 11, 2012 by mythreyee*

**CALCULUS**

3rd derivative of (2/x3)+(the sqrt of x-2)/(3x-6)
*Monday, November 26, 2012 by JAJA*

**Math 8R - Operating with Scientific Notation HELP!**

Rhode Island is the smallest state. It has an area of approximately 1.55 x10 (to the 3rd power) square miles. Alaska is the largest state. The area of Alaska is 4.28 x 10 (to the 2nd power) times greater than the area of Rhode Island. What is the approximate area of Alaska in ...
*Tuesday, November 20, 2012 by Laruen *

**Math 8R - Operating with Scientific Notation HELP!**

In constructing the Mall of America in Minnesota, a total of 1.3 x 10 (to the 4th power) tons of steel were used. The Eiffel Tower in Paris, France consist of 7 x 10 (to the 3rd power) tons of steel. About how many times the amount of steel it took to construct the tower did ...
*Tuesday, November 20, 2012 by Laruen *

**math**

14 +(-2-(-2)to the 3rd) power
*Tuesday, November 13, 2012 by destiny*

**language**

spade, sparkle, sparrow, special, specific, speckle, speech, spill, spirit, splash, splatter, splendid, split, spoke, spool, spouse, sprain, spring, sprinkle, spurt Write a letter using all the spelling words. make your spelling words in capital letters. Make sure that you ...
*Thursday, November 8, 2012 by mythreyee*

**singapore math**

My 3rd grade son get this math problem. It states that John thinks of a 3-digit number. What is his number? Use the clues below to find John's number. Every digit is different. The sum of all thedigits is 19. The difference between the hundreds digit and the ones digit is ...
*Sunday, November 4, 2012 by lori*

**Math**

A coffee dealer mixed 12 pounds of one grade coffee with 10 pounds of another grade of coffee to obtain a blend worth $54. He then made a second blend worth $61 by mixing 8 pounds of the first grade with 15 pounds of the second grade. Find the price per pound of each grade.
*Sunday, October 21, 2012 by Jamese*

**science**

Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet? Also is it the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th largest planet?
*Tuesday, October 9, 2012 by Yog*

**math**

Math word problem: 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.
*Tuesday, October 2, 2012 by Lisa*

**Math**

This isn't a question for math homework but i have a really low grade in math and i want to raise it up. What can i do to get my grade up because i am getting progress reports on Monday and i want to get a really good grade.PLEASE HELP!!!!
*Thursday, September 20, 2012 by Jimena*

**7th Grade Math**

They started at the 34 yard line. They need to get to the 44 yard line for a first down. On the first play they lost 12 yards and on the 2nd play they lost 8 more yards. It is now 3rd down. Please help me. Thank ya
*Thursday, September 13, 2012 by completeidiot*

**3rd grade math**

Find the greatest and least when rounded to the nearest hundred. A plane flew an estimated distance of 800 kilometers. The greatest distance the plane could have flown is? The least distance he could have flown is?
*Tuesday, September 4, 2012 by Callie*

**math 3rd grade**

Amanda's grandmother made a quilt for Amanda's bed. The quilt was made of 9 squares. Each square was 2 feet wide. How wide was Amanda's quilt?
*Tuesday, May 1, 2012 by rosemary*

**Math**

Name School Team Event 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet ‘08 For each number pattern, fill in the next five terms. (2 pts. each blank) ANSWER KEY 1st term 2nd term 3rd term 4th term 5th term 6th term 7th term 8th term 9th term 10th term 1) ...
*Friday, March 30, 2012 by Anonymous*

**math 3rd grade**

Sam is making muffins. One bath is blueberry and one batch is bananna. The third bath is twice as big as the blueberry and bananna batch. If Sam made 96 muffins, how many muffins were in the blueberry and banana batches? I came up with 32 can someone please show me how to set ...
*Wednesday, February 29, 2012 by daniel's mom*

**pre-algebra**

find the product: (4k to the 5th power)(-2k)to the 3rd power. 5th power is inside the parenthesis and the 3rd is outside the parenthesis. Is it -32k to the 8th power or -32k to the 2nd power?
*Sunday, December 18, 2011 by Linda*

**math**

(2x+3y+4z) to the 3rd power
*Wednesday, December 14, 2011 by Roy Jr*

**math 3rd grade**

Sam is making a necklace she uses 2 red beads, then 1 yellow beads then 2 red beads, then 1 yellow bead. How many red beads will she use if she uses 24 beads. The answer is 16 But the problem is we cant figure out the equation???
*Wednesday, November 30, 2011 by daniel's mom*

**3rd grade math 1**

an averaga-sided female spider and a large spider can lay a total of 2100 eggs at one time. the large spider lays 20 times the number of eggs as the average sized spider. how many eggs does the average side spider lay?
*Thursday, November 24, 2011 by Anonymous*

**3rd grade math**

Even mom cant get this one A sets up pet parade. Pet owners walk in rows with pets Row 1 = 1 owner 1 pet Row 2 = 2 owners i pet each Row 3 = 1 owner 2 pets Row 4 = 2 owners 2 pets each Row 5 = 1 owner 3 pets ROW 6 = we have come up with 2 owners 6 pets?????
*Tuesday, November 15, 2011 by daniel's mom*

**SLOPE MATH**

The grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...
*Tuesday, November 15, 2011 by manal HELP ME *

**math**

the grade of a road is its slope given as a percent. for example, a road with a 6% grade has a slope 6/100. it rises 6 feet for every 100 feet of horizontal run. describe a 100% grade. Do you think you could drive up it?could you walk up it? Is it possible for a grade to be ...
*Monday, November 14, 2011 by manal HELP ME *

**statistics**

A study of graduates average grades and degrees showed the following results: B.S. Degrees, 15 graduates averaged Grade A, 8 graduates averaged Grade B, and 5 graduates averaged grade C. Graduates who had a B.A. Degree, 8 averaged grade A, 12 averaged grade B, and 7 averaged ...
*Saturday, October 15, 2011 by Karen*

**calculus**

find the derivative of (x^2+1) 3rd root of x^2+2
*Sunday, October 9, 2011 by vicki *

**math**

What is the standard notation for 3 to the 3rd power
*Monday, October 3, 2011 by Marissa*

**Math**

factor n3 - 216 n to the 3rd power.
*Wednesday, September 21, 2011 by Ann*

**LA**

which narrative uses "we" 1st, second or 3rd
*Monday, September 12, 2011 by CAran*

**algebra**

where do the brackets go 2 x 3 to the 3rd power + 4 to = 4374
*Monday, September 5, 2011 by greg*

**Math**

If you are getting a B in everything else in this class but you don't do any of the news item write ups(which are 9% of your grade, then will your final grade be a B? If not a B, then what will your final grade be?
*Friday, September 2, 2011 by Jenna*

**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**

If Brittany has a 49.7% grade average then for her final exam that is worth 20% of the grade and she gets a 90% what would her final grade be?
*Tuesday, May 31, 2011 by Anonymous*

**Pre algebra**

Kayla has a 41% grade average. On an exam that is worth 20% of her grade she gets a 100%. What is her grade now?
*Wednesday, May 25, 2011 by Ashley*

**Math**

Kayla has a 41% grade average. Then sha takes an exam that is for 20% of her grade and gets an 100%. What is her grade now?
*Wednesday, May 25, 2011 by Ashley*

**8th grade math**

a basketball player scored 8 pts total during 1st and 2nd quarters of a game. During the 3rd quarter she scored 3 times as many pts as she did in the 4th quarter. Let P = the # of pts the player scored in the 4th quarter. Write and simplify an expression to represent the total...
*Wednesday, May 11, 2011 by Kory*

**statistics**

what the error is: a) Grade Percent Frequency A 20% B 45% C 30% D 10% F 5% (b) The following table summarizes the grade breakdown on an exam in a small statistics class with 10 students. Grade Percent Frequency A 30% B 35% C 15% D 20% F 0%
*Monday, May 9, 2011 by John*

**physics**

A projectile of mass 0.874 kg is shot straight up with an initial speed of 29.0 m/s. (a) How high would it go if there were no air resistance? (b) If the projectile rises to a maximum height of only 7.70 m, determine the magnitude of the average force due to air resistance. (a...
*Wednesday, April 6, 2011 by Mesho*

**College Algebra**

Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?
*Wednesday, March 30, 2011 by Devin*

**Physics**

According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by the other. Give a common-sense, non-mathematical explanation of the connection between Newton’s 3rd law and momentum conservation. In other words...
*Monday, March 28, 2011 by Tammy*

**Physics**

According to conservation of momentum, when two objects collide, the momentum lost by one object equals the momentum gained by the other. Give a common-sense, non-mathematical explanation of the connection between Newton’s 3rd law and momentum conservation. In other words...
*Saturday, March 26, 2011 by Tammy*

**appling middle**

If the data were displayed in a circle graph, what percent of the graph would represent the seventh grade? Enrollment is Sixth grade 64, Seventh grade 64, and Eighth grade is 70
*Thursday, March 10, 2011 by ry*

**maths**

The probabilities of a student getting grade A, B, C and D are 0.2, 0.3, 0.15 and 0.35 respectively. Then the probability that the student gets 1) At least C grade is __________ 2) At most C grade is ___________
*Thursday, March 10, 2011 by Sharon*