Friday

January 30, 2015

January 30, 2015

Number of results: 101,758

**math**

1. unite similar terms with parenthesis. x=2 y=-3 and z=5 find the value of ax to the 2nd power-cy+ax-2ax to the 2nd power+ 2cy to the 2nd power-ax-cy to the 2nd power+ ax to the 2nd power+ cy
*October 24, 2009 by chris*

**trig**

Find all solutions of the equation: 2 cosx + sqrt2 = 0 A) x = ð/4 + 2nð or x = 7ð/4 + 2nð B) x = 3ð/4 + 2nð or x = 5ð/4 + 2nð C) x = ð/4 + nð or x = 7ð/4 + nð D) x = 3ð/4 + nð or x = 5ð/4 + nð
*December 17, 2009 by Steve*

**Math 8R - Help!!!!!!!!**

The expression 2(8a to the 2nd power + a - 1) + 3(a + 3) is equivalent to a) 16a to the 2nd power + 5a + 7 b) 40a to the 2nd power + 10a + 10 c) 10a to the 2nd power + 5a + 7 d) 48a to the 2nd power + 12a + 12 please help!!!!!!!
*November 23, 2012 by Laruen *

**trig**

Find all solutions of the equation: cot x sec x = 2 cot x. A) x = 2ð/3 + nð or x = 4ð/3 + nð or 0 + nð B) x = 2ð/3 + 2nð or x = 4ð/3 + 2nð or 0 + nð C) x = ð/3 + 2nð or x = 5ð/3 + 2nð or 0 + nð D) x = ð/3 + nð or x = 5ð/3 + nð or 0 + nð
*December 17, 2009 by Steve*

**English**

Your are future seeds. What is your future hope? Jihyeon's future hope is to become an announcer. Write down what she had to do the achieve her dream. 1. I will try to read a book every day. 2. I will try to drink orange juice from time to time. 3. I will try to get up early ...
*March 6, 2009 by John*

**Math/Check**

59.(3x+7)(5x-2) A.8x+h B.8x(to the 2nd power)+29x_14 C.15x(to the 2nd power)29x-14 D.15x(to the 2nd power)+41x+14
*August 12, 2012 by Kelsie*

**Algebra**

Factor each of following expressions x (4th power) - x (3rd power) - 6x (2nd power (a-b)(2nd power) - (a 2nd power + b) 2nd power
*September 13, 2009 by Pat*

**math**

The math problem is........... 3n to the 2nd power when n=3 what do I do first if nothing is in parenthesis? Do I multiply 3n or do n to the 2nd power first? square n, then multiply it by three. That's a good question Nikki. We would read (3n)^2 as quantity 3n to the 2nd. We ...
*September 7, 2006 by Nikki*

**English**

I'll try to learn how to make a clear voice. I'll try to practice making a speech in my room. I'll try to study hard to go abroad. I'll try to study hard to learn in college in the USA. I'll try to study hard to learn linguistics in an American University. I'll try hard to be ...
*March 12, 2009 by John*

**algebra 2nd try**

I need to simplify this 2/∛49 . I figured it out to be (2∛((49)^2))/49 but the system I added my answer to says this is incorrect. Please help me! Thanks anyone.
*March 23, 2013 by sally*

**2nd Grade Math**

What is the best way to explain 2nd grade kid, how to find one fourth of 7
*May 23, 2011 by New*

**math problem **

2 to the 2nd exponet x 3 x5 to the 4th exponent x 8 x 11 to the 2nd exponent is not a prime factoration right? because of the 8 ?
*December 5, 2012 by Anonymous*

**Help math problem??**

2 to the 2nd exponet x 3 x5 to the 4th exponent x 8 x 11 to the 2nd exponent is not a prime factoration right? because of the 8 ?
*December 5, 2012 by Tia*

**Help math**

So is this right for prime factorization be 2 to the 2nd exponent x 3 x 5 to the 4th exponent x 2 the 3rd exponenetx 11 to the 2nd ?
*December 5, 2012 by Tia*

**Music **

2. What is the 2nd scale degree of D flat major? is it G flat? 8. The interval between F and A is the same as a. D and B b. A and B c. F and G d. C and E 9. A minor second on the white keys is between a. A and B b. G and A c. D and E d. E and F 10. A half step is the same as a...
*May 6, 2013 by mysterychicken*

**math**

evaluate 17-5to the 2nd powerdivde by(2 the fourth power + 3 to the 2nd power
*September 11, 2007 by jose*

**Math**

Students are given three chances to pass a basic skills exam for permission to enrol in Calculus. Sixty percent of the students pass on the first try, of those that fail on the first try, fifty four percent pass on the second try, and of those remaining, forty eight percent ...
*October 5, 2011 by Anonymous*

**MATH(Statistics)**

Students are given three chances to pass a basic skills exam for permission to enrol in Calculus. Sixty percent of the students pass on the first try, of those that fail on the first try, fifty four percent pass on the second try, and of those remaining, forty eight percent ...
*October 5, 2011 by Anonymous*

**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?
*October 14, 2009 by ashley*

**Math (2nd Try)**

A rectangle has a length of 6x^3 y^2 - 1 and a width of 3xy + 2. The formula for the perimeter of a rectangle is P=2l + 2w, where l is the length and w is the width. What is the perimeter of the rectangle? Simplify your answer.
*March 1, 2013 by Jane*

**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?
*October 14, 2009 by ashley*

**trig**

how do you solve 2nd cos 6/11 (my calculator doesn't have 2nd function0
*May 1, 2011 by dolora*

**math need help please**

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

**Math**

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

**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
*December 24, 2011 by Cheryl*

**physics**

a man weighs 573 n on earth. what would he weigh on Jupiter, where the free-fall acceleration is 25.9 m/s 2nd power? the acceleration of gravity is 9.8 m/s 2nd power? the acceleration of gravity is 9.8 m/s 2nd power.
*October 9, 2011 by mikael *

**English**

Why don't you try a little harder? Why not try a little harder? Why don't we try a little harder? Let's try a little harder. Let's try a little harder, shall we? Shall we try a little harder? How about trying a little harder? What about trying a little harder...
*September 2, 2008 by John*

**English**

1. I will try to be the first in score in my class. 2. I will try to get good grades on the exams. 3. I will try to make a speech in front of my classmates. 4. I will try to eat healthy food every day. 5. I will try to go abroad to study linguistics. (Are they all grammatical...
*March 8, 2009 by John*

**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
*June 10, 2013 by pam*

**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?
*August 19, 2013 by peter*

**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? thanks ...
*August 21, 2007 by Rodger*

**Help!**

I am stumped with a problem we are supposed to help our 4th grader with ... Study the number of pairs: 3 - 8 ; 4 - 11; 5 - 14; 6 - 17; and the it has blanks down to 10 - 29; ... ok we get this part ... adding 2 more each set ... now the questions ... If 50 is the 1st number, ...
*September 19, 2008 by Frustrated mom! 4th grd MATH*

**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
*February 5, 2011 by Jimmy*

**2nd grade**

2nd grade math measurement
*March 10, 2010 by alexis*

**algebra**

please write an explaination why (x^3)(x^4) is not x^12. I am confused thank you. it is not the answer because, first of all, try replacing x with another number, in this case, let's say two. (2^3)(2^4)= 128, and if you try 2^12, you do not get 128, instead your answer would ...
*May 31, 2007 by jessica*

**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
*September 16, 2009 by Anonymous*

**Math**

75 + -63 + 7( 115/ -5 + (-8)2 ) -63 is -6 to the third power and (-8)2 is (-8)to the 2nd power. I got 15913 I think that that is wrong and my calculater wouldn't fit all the numbers so I don't know how to check it! Can you please try it so I can double check answers? it is ...
*October 29, 2006 by Lanna*

**9th grade math**

x to the 2nd power if x = 3/4 how do you find 3/4th to the 2nd power? 3/4th times 3/4th right? so the answer would be 9/16ths.. right?
*September 9, 2010 by Melissa*

**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
*September 30, 2008 by Larry*

**exponenents**

So is this the correct prime factorization be 2 to the 2nd exponent x 3 x 5 to the 4th exponent x 2 the 3rd exponenetx 11 to the 2nd ? which equals ?
*December 5, 2012 by Tia*

**math**

Marnie practiced her basketball dribbling. After two tries she had bounced the ball 88 times. On the second try she had 2 fewer bounces than 8 times the number of bounces she had on the first try.How many bounces did she have on the second Try
*April 22, 2014 by shekinah*

**algebra**

What is the value of the expression 2x to the 2nd power + 3xy -4y to the 2nd power when x = 2 and y = -4? please show how to solve this
*May 21, 2011 by T*

**Algebra**

12(2nd power)/24(2nd power)/6(2ndpower)= Simplify I got 144/576/36 is this right?
*May 6, 2012 by chris*

**math**

Find the unit rate. Round to the nearest tenth. 344 miles in 11 hours i try and try i still don't get it please anybody could help me please =(
*November 30, 2012 by Alexa=(*

**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 ...
*May 23, 2013 by Jane*

**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.
*November 28, 2014 by james*

**Math - 2nd try**

Please show me how to set up and solve: You have 6 cups of sugar. It takes 1 cup of sugar to make 24 cookies. The function c(s) = 24s represents the number of cookies, c, that can be made with s cups of sugar. What domain and range is reasonable for the function? math - ...
*April 18, 2012 by Jane*

**English**

Try hard to succeed. (What is the part of speech of 'to succeed'? Is 'to succeed' the object of the verb 'try'? Or is 'to succeed' the adverbial phrase which modifies 'try'?)
*March 5, 2012 by rfvv*

**math**

While investigating the properties of parallelograms using a dynamic geometry software program, a student notices that the diagonals of a parallelogram seem to bisect each other. The student conjectures that this statement is true for all parallelograms. Which of the following...
*March 2, 2011 by michele*

**Math(Please help)**

ln [5.01E-3] = ln(4.86E-2) - (1.80E-2s-1)(t s) Solve for t. t = 126 s First I did 4.86e-2 - 1.80e-2 and then on my calculator I pressed the 2nd button and then ln and got 1.031. Then I did the same thing to get the ln of 5.01e-3 and divided that by 1.031 but did not get 126 as...
*March 8, 2012 by Hannah*

**Thermodynamics 2nd Law**

The 2nd law of thermodynamics states that “in any spontaneous process, the total entropy of the universe always increases”. Yet in biological systems there are processes where there is a decrease in entropy during a reaction. Give an example of a biological process where ...
*May 5, 2011 by Nicole*

**Math**

Find the volume of the cylinder. Use 3.14 for (π Pi) 34 m on top and 27 m down on the right. Please Help Me I try and try and nothing please please help me !!!!! :( :(
*March 16, 2013 by Selena *

**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.
*October 3, 2013 by Jenny*

**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?
*July 10, 2012 by Lisa*

**math**

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

**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
*November 5, 2009 by Ayana*

**dividing monomials**

i dont know what to do when their is a smaller number on top Give an example and tell us what you don't understand. (-c)2d7/c2d6 d i just dont get it do u have some examples? What is X squred minus 5X plus 4 divided by X minus 1 (4^t)(8t^5) (-z)6/(-z)3 is it postive or ...
*November 20, 2006 by joeyg*

**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...
*May 16, 2012 by andrew*

**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...
*May 21, 2012 by andrew *

**Physics (maybe it's just math)**

A sphere of copper is subjected to 89.7 MPa of pressure. The bulk modulus is 130 GPa. a) By what fraction does the volume of the sphere change? b) By what fraction does the radius of the sphere change? for a) I have dV/V = 0.00069 - this is correct. for b) the area I have 4/3 ...
*November 17, 2012 by Brenda*

**Algebra**

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

**arithmetic**

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

**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 ...
*January 30, 2014 by Student*

**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 ...
*May 13, 2013 by Jane*

**elemmanarty algebra**

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

**9th grade**

please show me how to solve for 5m/m+1 divided by 25m to 2nd power divided by m to 2nd power + 6m +5
*October 26, 2008 by Anonymous*

**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??
*August 6, 2009 by bandit*

**math**

Two friends decide to cycle to a picnic spot the first person cycles 5 and a 1/2 km/hour and 2nd cycles 6 and a3/4 km/hour to make up for being slow the first person starts out two and half hour earlier after how much time and distance will the 2nd person catch up with the ...
*October 1, 2012 by TUHITUHI*

**Physics**

An Olympic basketball player shoots towards a basket that is 5.98 m horizontally from her and 3.05 m above the floor. The ball leaves her hand 1.90 m above the floor at an angle of 60.0o above the horizontal. What initial speed should she give the ball so that it reaches the ...
*October 17, 2010 by Tenille *

**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 Lang HG&"E" for Afrikaans 2nd Lang HG.
*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.
*April 22, 2008 by G*

**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 ...
*March 9, 2011 by Paul*

**Math**

If 1 side of a triangle is 10 inches and the same side in a 2nd triangle is 20 inches. A 2nd side is 4 inches in the 1st triangle what is the same side in the 2nd triangle? My answer is 8 inches
*January 31, 2014 by Steve*

**Math**

If 1 side of a triangle is 10 inches and the same side in a 2nd triangle is 20 inches. A 2nd side is 4 inches in the 1st triangle what is the same side in the 2nd triangle? My answer is 8 inches
*January 31, 2014 by Steve*

**math**

i try and try to practice for my checkpoints but i keep on failing in them!!!!!!!!!!! what can i do to improve in maths,science and english. please help me practice. I was hoping you could give me the real checkpoint papers for all subjects!! thatcwould be amazing then i'll ...
*April 12, 2012 by jenna*

**math (2nd Try)**

You have 6 cups of sugar. It takes 1 cup of sugar to make 24 cookies. The function c(s) = 24s represents the number of cookies, c, that can be made with s cups of sugar. What domain and range are reasonable for the function? These are my options: domain: 1<s<6 Range: 24&...
*May 11, 2012 by Jane*

** 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
*May 11, 2014 by brian*

**Grammar**

He will _____ stop drinking. A) try and B) try to I
*December 12, 2012 by Marie*

**check!**

write 0.12......( repaeting decimal) as a geometric sequence? is this right? 11/90 thanks! Nope. Use a calculator. 11/90 = .122222222 Try 11/99. Sorry, try 12/99
*October 23, 2006 by Anonymous*

**Math**

Hi! im looking to find relationships between sets of polygonal numbers. I have found a few through the use of finite differences, (a relationship occurs between the formula to determine the polygonal number). I have also found that the 2nd derivative of these formula ...
*October 14, 2008 by Bob*

**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 Lang HG&"E" for Afrikaans 2nd Lang HG.
*July 11, 2008 by JACKSON*

**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)
*September 7, 2013 by Kimberly*

**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.
*April 5, 2009 by tonya*

**Math **

what is 12 to the 2nd power?
*December 6, 2009 by Sierra*

**math 2nd grade**

what is 3/5 of 10? what is 1/3 of 12?
*March 5, 2012 by ashley*

**math**

4y-y+2/Y To 2nd power+3y
*April 16, 2012 by Anonymous*

**2nd grade math**

4/6 of 18 is?
*April 30, 2012 by Joei*

**Math**

-(5) to the 2nd power
*September 19, 2013 by Nate*

**2nd grade math**

If you have a rectangle with 24 square units 3 lines down 8 across how can you have a 4 unit rectangle with a perimeter of 8 around the outside also 6 units with a perimeter of 10 in a seprate problem A square of 4, perimeter of 8. What about a 2x2 square? A rectangle of 3x2 ...
*May 21, 2007 by Gloria*

**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.
*May 20, 2012 by John*

**Math**

You come home after dark, and porch light is out. You cannot tell which key opens the door.. you randomly try the 5 keys on your ring, 2 keys open your door. Draw a tree diagram for the experiment & Find the probability of opening the door on the first or second try.
*November 24, 2012 by Angie*

**Data managment math**

7: The basket ball team has total 14 players : 3-1st year player,5-2nd year player and 6-3rd year player (a) in how many ways can the coach choose a starting line up(5 players) with at least one 1 st player. (b) in how many ways can he set up a starting lineup with two 2nd ...
*January 28, 2008 by Samir*

**math**

division (x to da 2nd power + x - 6) / (x - 2)= ?
*April 8, 2010 by crystal*

**2nd grade math**

____= 8+2?
*September 26, 2012 by todd*

**Grade 6 math**

What is 2 to the 2nd power
*March 20, 2014 by ronaldo*

**Math**

How do I explain "make a 10" to my 2nd grade son for his math homework?
*September 28, 2011 by Patty*

**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)
*August 3, 2011 by kellie*

**Math**

the ratio of men to women who try to run them over is 18 to 26. how many out of 88 people who try to run them over are men?
*March 7, 2011 by Kristine*

**2nd grade of math**

Writing in math.Use counters.Tell how to make 10 when adding 8+5. and how it explain?
*September 8, 2012 by Yasuko*

**2nd grade**

My 2nd grader son needs to write a speech on why he should be elected as a classroom president. Some of the ideas I suggested are - as a classroom president, he will keep the classroom clean; make sure students respect and behave nicely with each other... ANY OTHER SUGESSTIONS...
*October 21, 2009 by Neil*

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