Saturday

July 30, 2016
**Math**

On Feb. 27th, 2010, an earthquake of magnitude 8.8 occurred off the coast of Chile lasting up to 3 minutes. Five months later, a 2nd earthquake occurred with magnitude of 5.3. How much more intense was the first earthquake compared to the 2nd earthquake?
*Thursday, July 14, 2016 by Chris*

**Chemistry**

1.06g of Na2CO3 is dissolved in water to make 250cm^3 solution. 10.0 cm^3 of this solution was further diluted to make 500cm^3 of 2nd solution. 25.0cm^3 of 2nd solution reacted with 28.5cm^3 of HCl. Find the concentration of HCl in mol/dm^3
*Thursday, July 14, 2016 by Gary*

**English**

1. On the 2nd basement, there is a book store. 2. In the 2nd basement, there is a book store. 3. A book store is on the 2nd basement. 4. A book store is in the 2nd basement. 5. A book store is on basement 2. 6. A book store is in basement 2...
*Wednesday, June 1, 2016 by rfvv*

**English**

1. The products are on the 2nd floor in section D. 2. The products are in section D on the 2nd floor. -------------------- Are both grammatical? Which word order is better?
*Tuesday, May 17, 2016 by rfvv*

**English**

* They refers to 'history books.' 1. They are on the 2nd floor in Section D. 2. They are in Section D on the 2nd floor. (Are both the same? According to the word order rule, which one is right?)
*Monday, May 16, 2016 by rfvv*

**medical Terminology**

The most easily treated tumor is A. Grade I. B. Grade V. C. Grade III. D. Grade X. A is my answer
*Sunday, February 28, 2016 by debbie*

**Math**

Find the intervals on which the function is increasing, decreasing, concave up, or concave down and find any local extreme values and inflection points. So I know how to do the above, but not with piece wise functions. Someone help me out? Y={3-x^2, x<0 and x^2+1, x>=0} ...
*Wednesday, February 3, 2016 by Beth*

**2ND GRADE MATH**

I have 3 coins, They total less than 25 cents. I cannot make 15 cents. I can make 6 cents. What are my coins.
*Wednesday, October 28, 2015 by SAL*

**2nd Law Physics**

You fashion a sling shot with a rather long and wide rubber band and practice hurling pebbles. You pull back on the center of the band with a force of 2.31 N. The angle between the two halves is 107°. What is the tension in the band? I get the gist of setting up Newton'...
*Monday, September 28, 2015 by Anna*

**algebra **

An “A” is considered 4.0, a “B” is 3.0, a “C” is 2.0, a “D” is 1.0, and an “F” is 0. In your first semester you received the following grades. Calculate your grade point average English = credits 3.0 Grade = C Biology = credits...
*Tuesday, September 22, 2015 by Kristen*

**physics**

An object traveling 339 m/s strikes a 2nd object and comes to rest 24 cm inside of the 2nd object (which does not move). What is the 1st object's average deceleration (m/s/s)?
*Sunday, September 6, 2015 by Olga*

**math**

I have a question I would really appreciate the answer. If 15% of my grade is 74% and 96 is 15% of my grade and 40% of my grade is a 60.5% without the final counting for 30% what is my grade? Please help thank you.
*Friday, June 26, 2015 by kim*

**math**

The 3rd term of a geometric progression is nine times the 1st term.if the 2nd term is one twenty fourth the 5th term.find the 4th term.(there is a mistake in the 2nd to the last statement.help locate the mistake{final answer 4th term =48).i solved to this extent.ar^2=9 r=3.
*Friday, November 28, 2014 by james*

**math**

Riding on a school bus are 20 students in 9th grade, 10 in 10th grade, 9 in 11th grade, and 7 in 12th grade. Approximately what percentage of the students on the bus are in 9th grade?
*Monday, October 6, 2014 by jenna*

**2ND GRADE MATH**

A store sells 2 boxes of 100 pencils and some single pencils. Choose all the numbers that show how many pencils the store could sell: 1. 219, 2. 206, 3. 120, 4. 182
*Friday, October 3, 2014 by ASG*

**2nd grade math**

A number has more ones than tens. the value of the tens digit is 50. the ones digit in the number is less than 7. what are the possible numbers
*Tuesday, September 23, 2014 by Mythreyee*

** algebra**

The first angle of a triangle is 23° more than the 2nd angle. The 3rd angle of a triangle is 6 times the 2nd angle. Use X to represent the unknown value
*Sunday, May 11, 2014 by brian*

**MATH**

there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)
*Monday, March 24, 2014 by MANISH*

**2nd grade math**

Mr foster places 11 garden lights along an 80 meter path. Each light is placed an equal distance apart. How far away is the sixth garden light from the second?
*Sunday, February 2, 2014 by Jan*

**Physics**

A particular asteroid has a circular orbit about the Sun with a radius of 450 million miles. How long does it take to go around the sun? Compare the prediction of Kepler's 2nd law to a direct computation with Newton's 2nd law. How much area does the line connecting the...
*Thursday, December 5, 2013 by Shelby*

**math**

1)on the 7th grade honor review exam, student were asked to create a power with a base of 3 that is greater than 9 but less then 3 to the 5th power . two powers that student created show below. Describe why each of the solutions is incorrect 5 to the 3rd power 3 to the 2nd power
*Thursday, November 21, 2013 by rian*

**Math**

Julie has been offered two jobs. The 1st one pays $400 per week. The 2nd job pays $175 per week plus 15% commision of her sales. How much will she have to sell i n order for the 2nd job to pay as much as the first? how do you do this? i dont know the steps to.
*Thursday, October 3, 2013 by Jenny*

**Intermediate Algebra**

add or subtract the following polynomials as indicated (5.9x to the 3rd power+3.4x to the 2nd power - 7)-92.9x to the 3rd power -9.6x to the 2nd power +3)
*Saturday, September 7, 2013 by Kimberly*

**math**

6 runners run in a 500 yard dash. Prizes are awarded for 1st, 2nd, and 3rd place. Assume there are no ties, how many different orders can the runners finish 1st, 2nd, and 3rd?
*Monday, August 19, 2013 by peter*

**math**

at2pma train leaves at 8pm 2nd train leaves at 162miles per hour faster than 1st train 2nd train takes over at10pm what are the speeds of the2 trains
*Monday, June 10, 2013 by pam*

**statistics**

The grades on the final examination given in a large organic chemistry class are normally distributed with a mean of 72 and a standard deviation of 8. The instructor of this class wants to assign an “A” grade to the top 10% of the scores, a “B” grade to the...
*Sunday, March 24, 2013 by Sarah*

**5-6th grade Math**

Follow instructions: 1) Write the word SOLAR. 2) Add the 5th letter of the alphabetto the right of the last letter from the left. 3) Remove the 19th letter of the alphabet and replace them with the 14th letter of the Alphabet. 4) Remove all vowels EXCEPT the 2nd vowel of the ...
*Wednesday, January 23, 2013 by Meredith *

**Intergated chemistry/physics**

A 200 pound go-kart with a speed of 20 miles/hour collides with a 2nd go-kart (that was at rest) and causes it to move at a speed of 15 miles per hour. What is the mass of the 2nd cart if the first kart came to a stop upon collision?
*Thursday, October 4, 2012 by Laura*

**Sociology/Psychology **

I'm taking Sociology 1st semester and Psychology 2nd semester when I go to the 9th grade. I'm just curious but is there any topics (interesting ones) in Sociology and Psychology.
*Friday, September 28, 2012 by Laruen *

**Math**

15x to the 8 power x y to the 2nd power divided by 15x to the 6th power y to the 2nd power equals?
*Tuesday, July 10, 2012 by Lisa*

**physics**

Calculate the magnitude and direction of the Coulomb force on each of the three charges connected in series: 1st - 6 micro Coulombs (positive charge) 2nd - 1.5 micro Coulombs (positive charge) 3dr - 2 micro Coulombs (negative charge) Distance between 1st and 2nd - 3cm Distance...
*Monday, May 21, 2012 by andrew *

**Calculus**

A Baseball Diamond has the shape of a square with sides 90 feet long. a player is running from 1st to 2nd base at a speed of 25 feet per second. find the rate at which his distance s is from home plate is changing when the player is 20 feet from 2nd base.
*Sunday, May 20, 2012 by John*

**physics**

Calculate the magnitude and direction of the Coulomb force on each of the three charges connected in series: 1st - 6 micro Coulombs (positive charge) 2nd - 1.5 micro Coulombs (positive charge) 3dr - 2 micro Coulombs (negative charge) Distance between 1st and 2nd - 3cm Distance...
*Wednesday, May 16, 2012 by andrew*

**grade 11 math**

at giant tv sales, you can chose between 2 payments options for a new tv. 1st option is 2 pay $2399.99. 2nd option is to pay a $399.99 downpayment plus $2200.00 after one year. if interset is 4.2% per year, compunded quarterly, wich option is a better deal
*Tuesday, May 15, 2012 by neha*

**SS Help! **

The 2nd amendment is "the right of the people to keep and use bear arms". what does Right to keep and bear arms means??? (please tell in a 7th grade level)
*Tuesday, April 10, 2012 by Laruen *

**social studies**

I need help in evaluating 2nd grade social studies standards according to Arizona Academic standards.
*Sunday, March 11, 2012 by stephanie*

**math**

at hill school 112 new books arrived for each grade 2nd, 3rd and 4th which shows one way to find about how many books arrived at the school in all
*Tuesday, March 6, 2012 by indeya*

**math 2nd grade**

Makoto and Otis each decorate diamond patterns that are the same size and shape. Makoto deoorates 1/8 of a diamond. Otis decorate 1/4 of a diamond. Who decorates more
*Wednesday, February 29, 2012 by ashley*

**math 2nd grade**

valarie makes 2 pans of brownies for a bake sale. She cuts each pan into 12 brownies. She sell 15 brownies. What fractional part of a pan of brownies did valarie sell?
*Wednesday, February 29, 2012 by ashley*

**math 2nd grade**

simon ate 3/2 slices of an apple. Did he eat less than a whole apple or more than the whole apple. Draw a picture to show your answer
*Wednesday, February 29, 2012 by ali*

**Math Lit **

In a school there are 122 grade 8s, 105 grade 9s, 134 grade 10s, 109 grade 11s, 90 grade 12s. Express Each Class as a percentage of the whole school.
*Sunday, February 5, 2012 by Thabo*

**Math**

How do you solve 2t - 4t to the 2nd power? 2t-4t to the 2nd power Identify the greatest common factor Factor this expression
*Saturday, December 24, 2011 by Cheryl*

**My Awards (to share with teachers) **

1st Grade participation in summer reading and math program ------ 3rd Grade 2nd place in primary spelling bee Certificate of Achievement: Math, Music, Good Citizenship, Student of the month - June (4 awards) ---- 4th Grade Parp Ribbin Headliners Science Fair (scientific ...
*Saturday, November 19, 2011 by Laruen *

**differential equations **

Consider the 2nd order differential equation: x''(t)=-x-A(x^2-1)x'(t) x(0)= 0.5 x'0)= 0 ''= 2nd order,'= 1st order where A is a positive constant.As the value of A increases this equation becomes increasingly stiff. Convert this equation to two ...
*Wednesday, November 16, 2011 by Rikki *

**5th grade math**

f I have 3 geese in the first pattern, 5 in the 2nd pattern, & 7 in the 5th pattern, how many geese will be in the 10th and 100th patterns?
*Wednesday, October 12, 2011 by Leann*

**2nd Grade Math**

Jordan spent $6.37 on a book and $1.23 on a magazine. How much did he spend all together? First estimate the costs and the totals. _____+______=______ Then use partial sums and solve. _____
*Wednesday, May 4, 2011 by Kelly*

**Physics**

I am a little confused about kinetic and potential energy regarding roller coasters. I understand that the first hill has to be the highest to gain the potential energy (PE). I hope someone can help with this example I just made up to help me understand: 1st Hill: 50 m from ...
*Wednesday, March 9, 2011 by Paul*

**math**

The question that have is to simplify and write the answer in exponential notation using positive exponents 2 to 4th power x 2 -2 These are my choices a 4 to the 8th power b 2 to the 8th power c 4 to the 2nd power d 2 to the 2nd power
*Saturday, February 5, 2011 by Jimmy*

**2nd grade**

jose worked for 13 minutes weeding the garden. when he has worked 20 minutes he will get a dollar, how many more minutes does he need to work to get the dollar?
*Thursday, November 4, 2010 by Anonymous*

**2nd grade**

I'm a number using only 5 base ten blocks between 150 and 250, and the number in the tens place is half the number in the ones place
*Tuesday, October 26, 2010 by Kelli *

**math/2nd grade**

One box holds 16 crayons. Another box holds 24 crayons. Write a sentence using words that compare the crayons in the two boxes. (not a number sentence 24>16)
*Wednesday, October 13, 2010 by kara*

**2nd grade math**

Shawn is writing down the family recipes in a cookbook. He has 21 recipes left to write down. He has 3 pages left to fill up. If he wants to put the same number of recipes on every page, how many goes on each?
*Thursday, October 7, 2010 by Amber*

**2nd grade**

Please tell me which sentence is correct. Adrian chose him and I for the job. *Adrian chose him and me for the job.
*Tuesday, September 28, 2010 by Anne*

**2nd grade**

my son has a project on Georgia's Landforms, I don't know wht to do or where to start. Will you please give my an example on what I can do. They are allowed to use shoe boxes, styrofoam balls, cardboard boxes, clay play dough, popsicle sticks, tissue and paper towel ...
*Saturday, September 25, 2010 by Carla*

**2nd grade**

Sam lives 5 miles from school, Joe lives 2 miles from school, and Andy lives 1 mile from school. What is the range of the miles the boys live from school?
*Thursday, September 23, 2010 by Anonymous*

**2nd Grade Math**

Craig reads a book with 10 pages in the morning, a book with 26 pages before dinner, and a book with 10 pages after dinner. Find the mode of the number of pages in the books that Craig read.
*Wednesday, September 8, 2010 by Leelee*

**2nd grade**

Sam lives 5 miles from school, Joe lives 2 miles from school, and Ady lives 1 mile from school. What is the range of the miles the boys live from school?
*Wednesday, September 8, 2010 by Leelee*

**arithmetic**

WAT IS 2/3 TO THE 2ND POWER TIMES 3/5 TO THE 2ND POWER
*Wednesday, July 7, 2010 by VIOLANDA*

**2nd grade**

there are 20 pages in jamals book he read 1/5 of the book how many pages did he read
*Tuesday, May 11, 2010 by Adrik*

**2nd grade**

there are 16 children in room a. there are 11 children in room b. can they make 2 equal teams? How many children would be on each team?
*Tuesday, April 20, 2010 by sydney*

**elemmanarty algebra**

Divide xy to 3rd power -3xy to 2nd power +2x to 2nd power y by xy
*Saturday, April 17, 2010 by Anonymous*

**math**

5p to the 2nd power t + 3p to the 2nd power t = ?
*Wednesday, April 7, 2010 by jace*

**Statistics**

Two cards are drawn in succession from a standard deck of 52 cards without replacing the first one before the second. a) Are these outcomes are independent? Why? b) Find P ( 3 on 1st card and 10 on the 2nd card) c) Find P( 10 on the 1st card and 3 on 2nd card) d) Find the ...
*Tuesday, March 9, 2010 by Katlyn*

**Math - average grade**

Does anyone know how to calculate average point grade? I have the following data: grade D - 2 students - 4,9 percent grade C - 6 students - 14,7 percent grade B - 12 students - 29,2 percent grade A - 21 students - 51,2 percent What is the average grade? This is NOT my homework...
*Wednesday, February 17, 2010 by refy*

**2nd grade**

guess rule with letters. Fit the rule AEFHIKLN Do Not fit BCDGJOP HOW TO FIND THE RULE?
*Wednesday, January 27, 2010 by rosa*

**2nd grade**

lucy's shade is covering nine-twelfths of her window. draw and clor nine-twelfths of a square to show lucy's window.Write te correct fraction
*Wednesday, January 20, 2010 by natalie*

**reading**

hi!i am an adult. iam 44 years old,i am at a 2nd grade level.i havent gone to school when i was a child i would like some educatiod. please if you can give me some exercises to do on adaily basis i would really appreciate. Thank you. Buddy
*Saturday, December 19, 2009 by buddy*

**11th grade**

The students of litchfield High school are in grades 9,10,11,12. Of the students , 1/4th are in 9th grade, 1/3rd are in 10th grade, 1/6th is in 11th grade and there are 300 in the 12th grade, how many students are there all together?
*Friday, November 6, 2009 by stefanie coplin*

**8th Clinton Junior High School**

What is the Dividing Power of 12 a to the 2nd power or squared b to the 3rd power of cubed over or Divided by 6 a to the 2nd power b
*Thursday, November 5, 2009 by Ayana*

**2nd grade**

mom weighs 100 pounds her son weighs 450 pounds. how many pounds do they weigh in all?
*Tuesday, November 3, 2009 by Anonymous*

**2nd grade**

how do you multiply a 2-digit number times a 1-digit number.
*Saturday, October 31, 2009 by Anonymous*

**2nd grade**

DOL Quiz 9/2 1.do you want to visit milwaukee wisconsin 2.dontcha like peanuts raisins and apples 3.mr brown said he came here yesterday 4.her want to read al s books 5.we aint very tired now 6.them boys won t play with us thank u
*Wednesday, October 21, 2009 by sangeetha*

**external/internal character analysis**

Hi, I need to prepare a demo lesson for 2nd grade on teaching character internal/external traits to students the lesson needs to be 40 minutes can you give me any ideas
*Sunday, October 18, 2009 by mac*

**MATH**

omg i hate my h.w no one can answer it ....like wtf! who invented the mathematical method Xto the 2nd power multiplied by y= 49 to the 2nd power multiplied by 2a-y? and nicknamed witch?
*Wednesday, October 14, 2009 by ashley*

**math**

who invented the mathematical method Xto the 2nd power multiplied by y= 49 to the 2nd power multiplied by 2a-y? and nicknamed witch?
*Wednesday, October 14, 2009 by ashley*

**11th grade**

if a container starts with 60 liters and the 1st hour it has half the liters and the 2nd hour it has 1/3, how long before there are 10 liters?
*Thursday, September 24, 2009 by nady*

**2nd grade**

Teacher wants below words sorted by Pattern. What does that mean? here are the words: did, fin, pick, nine, pipe, rip, mix, five, side, hike, cape, made, because, off, picture, deaf, language, signing, cultures, relatives, celebrate. We dont know where to begin.
*Wednesday, September 23, 2009 by yancy*

**math**

When solving a system using elimination on a TI-84 calculator how do you do it? I forgrt all the steps heres the ones i know 1. 2nd (button) Matrix 2. Edit Matrix A 3. Edit Matrix B 4. 2nd (button) Quit what's next? Thanks
*Wednesday, September 16, 2009 by Anonymous*

**Algebra**

Simplify the following [2x / (3x (2nd power) - 5x - 2] + [(x-1) / (x (2nd power) -x - 20)]
*Monday, September 14, 2009 by Pat*

**Math**

x(2nd power)+ 2x - 3 ________________________ (Divided by) x (2nd power) + 3x
*Wednesday, September 2, 2009 by Jordan*

**algebra 2**

i have a piece of wood 72 inches long i cut it into 3 peices. the 2nd peice is 6 inches longer than the 1st the third id 6 inches longer than the 2nd. write and equation and solve??
*Thursday, August 6, 2009 by bandit*

**maths 4th grade**

In end of term tests Zanna got the following marks mathematics 54/75 history 27/40 geography 39/50 english 48/60 french 25/40 art 15/20 what was her best subject her 2nd best her 3rd her 4th her 5th her 6th please show workings
*Friday, June 26, 2009 by montana*

**2nd grade**

Kayla has these strawberries. She will give four strawberries to each of her three friends. How many strawberries will be left for Kayla?
*Sunday, April 26, 2009 by shelli*

**Physics**

This is a basic question on motion. I must choose a procedure to test sideward motion and have no clue where to start. I am in 2nd grade so this test needs to be relatively simple. Thanks!
*Monday, April 20, 2009 by Aaron*

**business calculas**

A cylindrical can is to hold 20 pie mraised to the 3rd power. The material for the top and bottom costs $10/m raised to the 2nd power and material for the side costs $8/m to the 2nd power. Find the radius r and height h of the most economical can.
*Sunday, April 5, 2009 by tonya*

**2nd grade math**

in a lesson about reading strategies and making predictions in math i was asked this... celia has a new kitten. it is 5 inches tall. will it be 5,12, or 24 inches tall when it is grown up? how do i fgure this out?
*Thursday, April 2, 2009 by tristan*

**question**

bus holds 66 people. Starts out empty. Picks up 1 person at the 1st station. 2nd person at the 2nd station 3rd person at the 3rd station and so on. No one gets off. After how many stations will fill up the bus Show your work- explain your thinking?
*Wednesday, January 21, 2009 by decker*

**2nd grade Math**

Wich 3 flowers add up to 85 cents? Tulip-48 cents Rose-52 cents Dafidale-25 cents Viloit-37 cents Sunflower-23 cents
*Wednesday, January 7, 2009 by Lauren*

**2nd grade math**

Danielle has 18 marbles. All the marbles are either black or gold. There are 4 more gold marbles than black. How many black marbles are there.
*Monday, December 8, 2008 by angelica*

**physics-mechanics**

a ball, m1, is held in place, 30 degrees from the roof it is connected to, from m1 hangs a 2nd ball m2, 1 pendulum connected to another pendulum. what is the acceleration of the 2nd ball, m2, the moment m1 is released?? my 1st thought was, simply -g, since m1 isnt held anymore...
*Monday, December 1, 2008 by devan levin*

**math need help please**

-9 to the 2nd power - (-6) to the 2nd power
*Wednesday, November 5, 2008 by david*

**american history**

ok im doing a crossword puzzle on the constitution info...i'm doing 11th grade history and i just need 2 answers left... the 1sr is , powers of both the state and federal governments (but the third letter is s) ..2nd is and anti federalist (during the constitution time)
*Sunday, October 5, 2008 by gaby*

**Math**

1st plane flew at 600km/h 15 minutes later..... 2nd plane flew at 700km/h how long did it take the 2nd plane to overtake the 1st plane? for my answre, I got 1.75h Is this correct? The book said it was 1.5 Thanks
*Tuesday, September 30, 2008 by Larry*

**7th grade algebra**

Cliff diver jump from a height of 85 to 115 feet above the water. After t seconds the diver has fallen 16tto the 2nd power feet. does the diver jumping from 85 feet reach the surface of the water within 2 seconds- why or why not.
*Wednesday, August 27, 2008 by Canyon*

**MATHS&SCIENCE**

Do I qualify for an application for a Sasol bbursary as I am currently studing s1 at University of Johannesburg.I have an "A" for maths SG,"D" for P.Sience HG,"D" for Biology HG,"B" for Sepedi 1st Lang HG,"D" for English 2nd ...
*Friday, July 11, 2008 by JACKSON*

**MATHS&SIENCE**

Do I qualify for an application for a Sasol bbursary as I am currently studing s1 at University of Johannesburg.I have an "A" for maths SG,"D" for P.Sience HG,"D" for Biology HG,"B" for Sepedi 1st Lang HG,"D" for English 2nd ...
*Friday, July 11, 2008 by JACKSON*

**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*

**Math**

2nd grade number patterns Number Series I am having problems with these 2 3 2 6 4 9 6 12 8 (what should be next?) 3 6 9 12 9 6 3 6 (what should be next?)
*Tuesday, October 23, 2007 by Bianca*

**math**

3 to the 5th power / 3 to the 2nd power= ?? 22 24 23 26 27 2100 213 (3^5) / (3^2) = 27 3 to the 5th power is 3 x 3 x 3 x 3 x 3. ________________________________________ 3 to the 2nd power is 3 x 3. Cancel two of the 3s on the top and the bottom. What do you have left? ...
*Tuesday, August 21, 2007 by Rodger*

**Social Studies**

How do you start a community? Please explain your question. Are you asking about how to start a town of people? Or a community of crayfish? Or a special interest community, such as a club or a church? We'll be glad to help you if you clarify your question. We are asking ...
*Thursday, August 16, 2007 by Armani*