Monday

December 22, 2014

December 22, 2014

Number of results: 117,274

**physics**

A girl delivering newspapers travels 2 blocks west, 10 blocks north, then 4 blocks east. What is the magnitude of her resultant dis- placement? Answer in units of blocks. 077 (part 2 of 3) 10.0 points Find the direction (measured from due east, with counterclockwise positive) ...
*January 9, 2011 by jena*

**Trig**

how do i find the exact value of s [pie/2, pie] sin s = radical2/ whole number 2 what is s in radians? how do i figure this out without the use of a calculator. I drew the graph and located it in the second quadrant and i think the triangle is a 45-45-90 but i don't how to ...
*September 15, 2011 by ALISON*

**Math**

1. Find the value of Sin^-1(-1/2) a. -30 degrees b. 30 degrees c. 150 degrees d. 330 degrees 2. Find the exact value of cos(-420 degrees) a. -1/2 b. 1/2 c. sqrt of 3/2 d. -sqrt of 3/2 3. p(-9/41, 40/41) is located on the unit circle. Find sin theta. a. 40/41 b. -9/41 c. -9/40 ...
*April 5, 2008 by Belden*

**physics**

A car traveling initially at +5.7 m/s acceler- ates uniformly at the rate of +0.79 m/s2 for a distance of 262 m. What is its velocity at the end of the accel- eration? Answer in units of m/s What is its velocity after it accelerates for 132 m? Answer in units of m/s What is ...
*September 20, 2012 by Melanie*

**Algebra**

Question 1 Solve using the multiplication principle then graph. -15>-75 Question 2 Translate to an equality. Use the variable x. The number of people in the chess clubi less than or equal to 15. Question 3 Solve using the addition and multiplication principles 2.1x+20.8>...
*March 6, 2010 by Queen D*

**calculus**

Hi i have two questions: what is the exact value of cos 5(pie)/12? what is the exact value of cos2(pie)/9 cos(pie)/18 + sin2(pie)/9 sin(pie)/18? thank you
*May 8, 2013 by Maria*

**Math**

Use properties of logarithms to find the exact value of this expression. Do not use a calculator. 6log6 8 - log6 7
*October 25, 2008 by Kristina*

**trig**

how can i find all the exact solutions to the equation : 2cos^2x + 3sinx = 3 the solutions have to be between [0,2pi)
*July 18, 2009 by Joe*

**trig**

find the exact value of cos(theta) if the terminal side of angle(theta) contains the point (-3,5)
*January 31, 2010 by rob*

**trig**

Given that sin (pi/10)=(sqrt(5)-1)/4, use double-angle formulas to find an exact expression for sin(pi/5).
*May 16, 2011 by Victoria*

**college algbra**

find the domain f(x)=x/x-8,g(x)=-7/x solve the following exponential equation equation exact answers only 3e x-1 = 2+e^x-1
*November 26, 2012 by zach w*

**Math**

sec(alpha) = -4(√(5))/5 find exact values at alpha for the remaining five trig functions
*April 10, 2013 by Tina*

**Math**

4. Columbus had a hard time convincing anyone to undertake the expense of financing a voyage to an unknown place. Based on the information available from other sailors and partly on his own ideas, Columbus underestimated the circumference of the Earth by twenty-one percent. ...
*March 31, 2014 by Sue*

**math 116**

I am taking math 116 , I am to find the solution to the problem 9x-3y=-68 and -2x+y=18 and to give an ordered pair. Now, that you have it where you take 9x from both sides, or is it 3y? My question is when you just have y do you count that as one(y) , I try to work the problem...
*August 1, 2009 by dedee*

**spanish**

ok, i'm gonna try to do the steps on this question. i'm not sure if i totally understand the question but i'll try. 1. "¿Quién ese muchacho?" "Es _____ muchacho que está en el club de artes marciales, ¿no? (look at the question) 2. "Who is that boy? "He is the _____ boy that ...
*May 12, 2009 by y912f*

**physics**

Consider an old-fashion bicycle with a small wheel of radius 0.15 m and a large wheel of radius 0.8 m. Suppose the rider starts at rest, accelerates with a constant acceleration for 2 minutes to a velocity of magnitude 12 m/s. He maintains this velocity for 14 mintues and ...
*November 14, 2012 by Captain Jack*

**maths**

The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using the formula. I = W/H^2 (I = W divided by H squared) Where I is the body mass, W is the person’s weight in kg, and H is the person’s height in metres. Use the...
*May 10, 2007 by sarah*

**spanish/check please**

Completa la oracion usando las palabras este,ese,aquella oaquellos.) (Hint:Complete the sentence using este, ese,aquella,o aquellos) 1. Mira el caballo que esta delante de mi.Mira( ....) caballo. answer:( ese) 2 ¿Ves la llama que está lejos de nosotros? ¿ Ves(.....) answer (...
*April 27, 2012 by JOSEPH*

**spanish/check please**

Completa la oracion usando las palabras este,ese,aquella oaquellos.) (Hint:Complete the sentence using este, ese,aquella,o aquellos) 1. Mira el caballo que esta delante de mi.Mira( ....) caballo. answer:( ese) 2 ¿Ves la llama que está lejos de nosotros? ¿ Ves(.....) answer (...
*April 28, 2012 by JOSEPH*

**math**

Ellis plans to hand out door prizes as the guest arrive she has 256 guests every 6th guest will receive a mug and for every 14 guests will receive a t shirt. Which guest will be the first to receive both mug and at shirt? Next question is elli has 8 and 1/2 pound bags of mints...
*December 11, 2013 by Matthew*

**Algebra**

A theater has 38 rows with 23 seats in each row. Estimate the number of seats in the theater and tell how you arrived at your estimate
*September 10, 2014 by Kali G*

**voc electronics**

what happens when iron is heated It gets hot. Ha, Ha. But I'm sure you didn't want that for an answer. Please be more specific about what you are looking for and I can refine that answer for you.
*February 27, 2007 by alan*

**math , help**

I hope this is correct now.... Write using positive exponents, and simplify if possible (-3x)^-2 a)(1)/(6x^2) b)(9)/(x^2) c)(1)/(9x^2) d) - (9)/(x^2) My answer: c Evaluate 4^-5 My answer is: (1)/(1024) Both look OK!
*February 27, 2007 by jas20*

**Geometry**

Hello, Can you please tell me I have the right answer? Thank You my answer: 12 ft. The radius of curvature is 10ft and the height of the segment is 2ft. What is the length of the chord?
*April 7, 2008 by Mandi*

**Algebra**

Solving quadriatic equaitons using factoring. X^2-6=30-3x^2 The answer in the book is -3,3. I have tried to work the problem several times. I am not getting this answer.
*May 20, 2008 by G*

**Algebra/math**

simplify the expression. Assume that all variables represent positive numbers. (36^-2y^4)-1/2(xy^1/2) I can't get the answer to this I just dont know how to answer this problem. Can anyone help? Thank You! Ashley
*September 26, 2008 by Ashley*

**Chemistry**

You have the alkane C6H17. What is the IUPAC name. I tried heptane and 4-ethyl-3-methylheptane, but it still says my answer is wrong. What would be the answer then.
*November 15, 2008 by George*

**Chemistry**

You have the alkane C7H17. What is the IUPAC name. I tried heptane and 4-ethyl-3-methylheptane, but it still says my answer is wrong. What would be the answer then.
*November 15, 2008 by George*

**Chemistry**

You have the alkane C7H16. What is the IUPAC name. I tried heptane and 4-ethyl-3-methylheptane, but it still says my answer is wrong. What would be the answer then.
*November 15, 2008 by George*

**MATH 156**

can some one please check if my answer is correct. Write the number in scientific notation. 15)0.000 294 Answer: 2.94x10^(-4)
*July 9, 2009 by joe*

**arithmetic**

On one of the questions of a recent math test, a student divided by 9 instead of multiplying by nine. This computation gave an answer of 18. What's the correct answer?
*December 8, 2009 by Tom*

**math**

Calculate the volume of a sphere with a radius of 4.0 cm. Use pi=3.14 in your calculations. Assume the units are cm3 and do not include them in your answer. Round your answer to the nearest tenth.
*July 6, 2010 by moe*

**chem 1 high school**

equation: 4NH3(g) + 5O2(g) -> 4NO(g) + 6H2O(g) What mass of O2 is needed to produce 0.563g of NO? I think the answer is 750g but how do I get that answer?
*March 2, 2011 by TJ*

**chemistry**

Just wanted to say thank you to DrBob for responding back even if he wasn't able to answer the question posted on Thur. 4/14/2011. If there is anyone else who can answer I'd appreciate it.
*April 15, 2011 by Connie*

**Calculus AB**

The limit as x approaches infinity of (1+1/x)^x. I tried this twice and I got an answer of e both times, but the answer that my teacher read off in class was not e. Please help.
*May 26, 2011 by Jake*

**algebra**

• After solving a system of linear equations, how can you check your answer to determine whether it is correct? Demonstrate the process of checking an answer with an example
*June 9, 2011 by Gladys *

**English**

11. Choose the plural noun that's spelled correctly. A. Fathers-in-law B. Editor in chiefs C. Phenomenons D. Pianoes I selected (A) for the answer, is this the correct answer?
*December 19, 2011 by Sis*

**Soanish-8th grade please check answer**

I'm not sure what they're asking in this question- are they asking where you are when you vacation? ¿Dondé te ustedes cuando de vacaciones? Answer-Yo estoy en Florida.
*May 14, 2012 by Anthony*

**Physics**

What is the minimum speed that a 5-kg conical pendulum can achieve if its 1 m string has a maximum tension rating of 520 N? A. 9.5 m/s B. 10.2 m/s C. 4.9 m/s D. 20.2 m/s E. 12.3 m/s My solution's manual says the answer is B, how is it the answer?
*June 16, 2012 by Camilla*

**Science**

How did Galileo come to the conlcusion that the moon has mountains on its surface? Please don't give me the answer! Just a website that contains the answer would be great, thanks.
*June 20, 2012 by Ashley*

**heeeeeeelp math**

visit this link and answer the question on screen imageshack.us/photo/my-images/17/codecogseqn1.gif/ please tell me answer also
*June 6, 2013 by clavin*

**chem**

Compute 4659¯0−214¯00. Round the answer appropriately. Express your answer numerically using the proper number of significant figures.
*September 16, 2013 by Cf*

**Chemistry**

Determine the speciﬁc heat of a material if a 34.7 g sample absorbed 45.2 J as it was heated from 293 K to 318 K. Answer in units of J/g · K Your answer must be within ± 2.0%
*March 19, 2014 by Danny *

**Algebra**

The answer in the book however says -(5x^2-17x-9)/(x-3)(x+2) so I don't know what I am doing wrong, can you take me step by step through the problem. I have a lot of problems, but I think once I understand what I am doing wrong with this one I can get the rest. What was the ...
*July 20, 2007 by Sara*

**statistics**

A university wants to estimate the average distance that commuter students travel to get to class with an error of ±3 miles and 90 percent confidence. What sample size would be needed, assuming that distances are normally distributed with a range of X = 0 to X = 50 miles, and ...
*October 24, 2012 by Anonymous*

**math trigonometry**

From on point on the ground the angle of elevation to the peak of a mountain is 10.38 degrees and from another pont 15,560 feet closer to the mountain, the anle of elevation is 14.67 degrees. Both point are due south of the mountain. What is the height of the mountain? My ...
*July 3, 2006 by katie*

**math**

Is the answer is correct ?? lim ((x^10)-1)/(x-1) x-->0 is the answer is 1 ???
*November 7, 2007 by mo*

**math**

i this the right answer to this problem 1+(-7)+6+(-10)= 8+6+(-10)= 14+(-10)= =24 Answer 24
*January 30, 2008 by kavon*

**math**

Factoring. 6n^2 +24n -18 Answer: 6(n^2 +4n -3) y^3 -y^2 + 3y -3 Answer: (y-1)(y^2 +3)
*August 21, 2008 by craig*

**algebra**

0=x^2-3x-49 what is the larger answer, what is the smaller answer?
*November 29, 2009 by Letisha*

**Math**

What is the answer to 3 1/4+ 1 5/6? I need this answer simplified
*May 2, 2011 by Kerri*

**Algebra**

Check these answers? ? 3x + y = -8 My answer: y=-11 2x - y = 11 My Answer: y=13
*September 7, 2011 by Joshua*

**volta**

What the formula for finding the % of 35% of 22. I know the answer is 7.7, but how do u get that answer
*January 11, 2012 by tyler*

**math**

F(x)=x^2-6x-27 over x^2 -1 is the answer -4 and for T=1/5(x-y+z) is this answer correct x+z-y
*March 4, 2013 by To Damon*

**Math ~ Check Answers ~**

#5 X: 0, 1, 2, 3 Y: -4, -3, -2, -1 a.) -1 b.) 1 c.) -4 d.) -7 (My Answer)*** #6 X: -1, 0, 1, 2 Y: -4, -1, 2, 5 a.) -5 b.) -3 (My Answer)*** c.) -1/3 d.) 3
*May 9, 2014 by Jenny*

**maths...**

This is the entire question: A curve has the equation y=(x+2)√(x-1). i)Show that dy/dx = kx/√(x-1) and find k ii)Hence, evaluate limit 2 to 5 ∫ kx/√(x-1)dx My answer: first part, i have already shown, and k is equals to 3/2 I dont get the second part ...
*June 19, 2009 by Aoi*

**Algebra / Scientific Notation**

if you have 19.2 x 10 ^ 20 over 4.8 x 10 ^ 9 Would you first subtract 4.8 from 19.2 then subtract 10 ^ 9 from 10 ^20 Leaving an answer of 14.4 x 10^11???? you are using the word "over", which implies division. Why would you even consider subraction (19.2 x 10 ^ 20) over (4.8 x...
*August 15, 2007 by Russell*

**math**

(x+c)^3 or (x+3)(x+3)(x+3) how do i find the answer?
*August 29, 2007 by billay*

**Math**

How do I find the answer of 7(5.2)?
*December 7, 2009 by Jennifer*

**math**

how do you find the answer for 5/16 +3/35=
*October 10, 2010 by ali*

**algebra**

how do i find the answer to 2/3-$1.58
*January 12, 2011 by Dawn*

**math**

How do you find the answer to 35.5×18.76
*November 7, 2014 by Anonymous*

**Math**

find any stationary points of the function g(x) = (2x-3)square root of 5+16x-4x^2 (0 less than or equal to x less than or equal to 4) and use the first derivative test to classify each stationary point as a local maximum or local minimum of g(x) this is how far i have got with...
*September 14, 2010 by Pd*

**Calculus**

Can someone explain to me how to do these? Given the following definite integral and n=4 answer the following questions. (Round your answers to six decimal places.) 1. Use the Trapezoidal Rule to approximate the definite integral. Answer: T4= 2. Use the Midpoint Rule to ...
*September 29, 2011 by Patrick*

**Math**

There are 5 staircases going from thr first to the second floor in school. Find the total number of ways that Andrea can go from the first floor to the second and then return to the first. Thank you
*April 30, 2013 by Kiki*

**spanish SRA MCGUINN**

are these correct Que hiciste ayer? my answer YO huhica moas tarea Adonde fuiste el sabado pasado? My answer Estaba en las peliculas Estuduante para tu clase de espanol anteayer? My answer Estudie para la clase espanola ayer -- is it espanola or espanol?
*January 23, 2008 by sam*

**Spanish**

Is this correct how I answered these two questions? Donde vive presidente de los Estados Unidos? My answer: El presidente vive en Washington, D.C. De donde es tu amigo? Answer: El amigo es de Colombia. I know I didn't use accent marks-I will put those in, just wanted to make ...
*September 23, 2010 by Julia*

**CAlculus**

The graph of the derivative, f '(x), is given. Determine the x-coordinates of all points of inflection of f(x), if any. (Assume that f(x) is defined and continuous everywhere in [-3, 3]. If there are more answer blanks than inflection points, enter NONE in any remaining spaces...
*November 29, 2011 by LC*

**College Algebra**

These are the points on the graph! O year = $41000 1 year = $43000 2 year = $46000 3 year = $48500 The following graph shows Bob’s salary from the year 2002 to the year 2005. He was hired in the year 2002; therefore t = 0 represents the year 2002. List the coordinates of any ...
*November 17, 2007 by Cupcake*

**Introduction to HS**

I am having trouble with a question. In order to get an idea of significant subject areas in a chapter, it is best to read the. A. Subheads B. Graphics C. Captions D. Table of contents In my study guide it states : Read all the subheadings and sub-subheadings. These will give ...
*July 25, 2012 by Kristin*

**Physics**

Hi I really need help with this question... please provide a step by step explanation with the answer because I need to understand it. Thanks! A 406-kg pile driver (the figure below) is raised 12 m above ground. (a) How much work must be done to raise the pile driver? [Answer ...
*March 2, 2011 by MB*

**Math**

Can someone help me with these T.T 1.Which polynomial function would have the end behaviour of as x-> -∞, y= +inf and as x-> ∞, y-> -∞? a) f(x) = -6x^4 - x^5 + 5x^3 - x^2 - 4x + 9 b)f(x)= 6x^4 + x^5 - 5x^3 + x^2 + 4x - 9 c)f(x) = 3x^2 + x - 11 d)-2x^...
*December 8, 2011 by Jacob*

**Competetion help on Integration**

If there four options are given to a Defenite Integration then what shortcut trick we should choose to get the correct answer. Like in Indefinte Integration we find the differtation of the answer to reach the function given to integrate. You can try to eliminate some answers ...
*February 12, 2007 by Nitin*

**Math Help and check**

The weights of ripe watermelons grown at Mr. Smith's farm are normally distributed with a standard deviation of 2 lb. Find the mean weight of Mr. Smith's ripe watermelons if only 5% weigh less than 18 lb. (Give your answer correct to one decimal place.) Incorrect: Your answer ...
*June 15, 2013 by Tom 6*

**Physics**

*I really don't know how to get started. I have done lots of the homework, but this one (and a couple of others) are really giving me PROBLEMS.* In a rescue, a 76.0 kg police officer is suspended by two cables. The left cable is at an angle of 35 degrees below the horizontal, ...
*October 1, 2006 by John*

**Physics**

A bullet of mass m=0.060 kg hits a 5.0 kg block with an initial speed of 225 m/s. The block is connected to a spring that is attached to a wall. The friction between the block and the table is negligible. Upon impact, the bullet bounces back from the box with a speed of 75 m/s...
*October 27, 2012 by Rob*

**physics**

What is the kinetic energy of each electron in a beam of electrons if the beam produces a diffraction pattern of a crystal which is similar to that of a beam of 1.00 eV neutrons? Note: The electron mass is 9.11 × 10–31kg; and the neutron mass is 1.67 × 10–27 kg. I know the ...
*July 12, 2013 by Lacey*

**math**

Part A of your history test has 15 multiple choice questions. Each question has four choices. Part B has 10 true/false questions. How many ways are there to answer the 15 multiple choice questions? How many ways are there to answer the 10 true or questions? How many are there ...
*February 15, 2011 by John*

**Physics**

A certain coaxial cable consists of a copper wire, radius a , surrounded by a concentric copper tube of inner radius c . The space between is partially filled (from b out to c ) with material of dielectric constant K. The goal of this problem is to find the capacitance per ...
*March 13, 2013 by P*

**statistics**

Question 1 Question 1 1. Question 1 text The head of the History Department wants to compare the averages of 2 different instructorâ€™s to see if they differ. A sample of 15 students in Instructor Aâ€™s class has average of 74 with a standard deviation of 11. A sample of 12 ...
*January 9, 2010 by jeff*

**ALGEBRA**

Answer the questions below. Use Equation Editor when writing or solving mathematical expressions or equations. First, save this file to your hard drive by selecting SAVE AS from the File menu. Click the white space below each question to maintain proper formatting. Part A. A ...
*March 9, 2010 by SAMANTHA*

**Math**

The standard form of a circle is Ax^2+Cy^2+Dx+Ey+F=0. Write the equation for the circle: Center (1,2), point on the circle (-2,-1). Okay, I've always put circles in the form (x-h)^2+(y-k)^2=0. I got this: r^2=(x-1)^2+(y-2)^2 then I substitute the point to find the radius: r^2...
*February 6, 2010 by Anonymous*

**language arts**

In which sentence are quotation marks used correctly? A)"I'd love to go to the movie, she said, "but I have to finish my homework first." B)"I'd love to go to the movie," she said, but I have to finish my homework first." C)"I'd love to go to the movie, she said, but I have to...
*May 18, 2014 by gwen*

**History**

Can some one direct me to where I can find Curtis Nettels saying "Thomas Jefferson came into his first administration spelling Jeffersonianism forwards and came out of his second term spelling it backwards" I have never heard this saying and I need to answer a question why ...
*January 28, 2014 by Sue*

**Adv. Math**

I don't understand these questions. I got them wrong on a test so I jus want to know what is the answer and how to do it: Which estimate is the best for 1/2 of 385? A)2 B)20 C)19 D)39 ____________________________________ The International Space Station is about 30 ft. from end...
*April 15, 2008 by Kenya*

**physics**

It's a snowy day and you're pulling a friend along a level road on a sled. You've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. You've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a ...
*October 18, 2013 by Jack*

**Algebra I**

Question:The number of students on the football team is two more than three times the number of students on the basketball team. If the basketball team has Y students, write a variable expression for the number of students on the football team. a)3y b)3y-2 c)2+3y d)2y+3 Ok, I ...
*November 1, 2006 by M*

**Math**

Find the exact value of the trigonometric function given that sin u = 5/13 and cos = -3/5 1) sin(u-v) My teacher said to make two right triangles and then find the missing parts by the pyth theorem. For the 5/13 triangle I got 12 and the other triangle I got 4. I do not know ...
*March 29, 2010 by Hannah*

**Math**

Find the exact value of the trigonometric function given that sin u = 5/13 and cos = -3/5 1) sin(u-v) My teacher said to make two right triangles and then find the missing parts by the pyth theorem. For the 5/13 triangle I got 12 and the other triangle I got 4. I do not know ...
*March 29, 2010 by Hannah*

**SCIENCE AGAIN**

Thanks so much for all your help. These multiple choice questions always have me confused. Here goes: The density of fresh water either a.)reaches a maximum at 4 degrees C, b.)decreases with decreasing temperature below 4 degrees C, c.)increases with decreasing temperature ...
*December 8, 2006 by Pat*

**math**

I dont understand how to estimate then find the quotient my problem is 35÷955 would it be 40÷1000
*August 12, 2014 by katerris*

**Algebra2 {ASAP}**

Hi helper, I used permutation for the following question. How can i use combination to find the answer? Help me please! There are 12 red checkers and 3 black checkers in a bag. Checkers are selected one at a time, with replacement. Each time, the color of the checker is ...
*May 17, 2012 by Liz*

**writing**

Answer the following questions in a 100- to 200-word response. Address each bullet point in your answer. o In the future, how will thinking critically influence the ways that you · Read? · Write? · Process information? · Answer the following questions in a 100- to 200-word ...
*February 2, 2010 by Anonymous*

**calculus**

I've tried this problem about 20 times and a bunch of different ways and I can't seem to get it right. The problem is: Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. Where y=1/(x^3), y=0, x=4, and x=8. I know ...
*October 20, 2009 by bre*

**Algebra Sq Rt**

I have a sq rt sign with a 3 on the left side. That means I'm looking for the cube of the number inside the square root? That number is 189xto the 8th power. So I multiply 189x 8 times before I find the cube or do I find the cube of 189?
*February 2, 2008 by Micah*

**physics**

A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.00 m/s. The coefficient of kinetic friction between sled and ice is 0.100. Use energy considerations to find the distance the sled moves before it stops. find the initial KE. set ...
*March 7, 2007 by Jean*

**Inter. Algebra**

Another problem plz help Count Iblis. How do you solve 5/x+2 + 2x/x squared - 4= 3/x-2? 5/x+2 + 2x/x squared - 4= 3/x-2 You write the term: 2x/x squared as 2/x the equation becomes: 5/x+2 + 2/x - 4= 3/x-2 4/x = 0 This equation has no solutions. It is only satisfied in the ...
*December 2, 2006 by Andrea*

**Math **

4(2x + 3) = 2(3x - 4) one solution infinite solutions * my answer* no solution 6 - a = 1/3(9a - 18) one solution * my answer* infinite solutions no solution 3(4x - 3) - 7x = 5x - 9 one solution infinite solutions *my answer* no solution 4(2x - 3) - 4x (answer all that apply) ...
*September 30, 2014 by Anonymous*

**Physics**

Calculate the position of the center of mass of the following pairs of objects. Use a coordinate system where the origin is at the center of the more massive object. Give your answer not in meters but as a fraction of the radius as requested. Get data from inside the front ...
*December 15, 2011 by Lindsay*

**gce further mathematics**

The roots of the equation x^4 - 3x^2 + 5x - 2 = 0 are a, b, c, d. By the relation y=x^2, or otherwise, show that a^2, b^2, c^2, d^2 are the roots of the equation y^4 - 6y^3 + 5y^2 - 13y + 4 = 0. Let y = x^2 and substitute that into the x polynomial. y^2 - 3y + 5 sqrt y -2 = 0 ...
*September 11, 2006 by lee*

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