Wednesday

May 25, 2016
Number of results: 138,437

**math check answer **

Solve by elimination method 3x - 6y =4 3x - 6y =5 is the answer x=9 and I think it is inconsistant and not consistant
*July 6, 2010 by Christy*

**math**

From 42 to 35 I got that the answer is 16.666666 reapeating. What would my answer be if I rounded to the nearest tenth?
*November 10, 2010 by lilly*

**math**

the answer to this worksheet!!:what do you call drilling 4,876 holes?please answer now !!!!!
*January 24, 2011 by bella*

**Chemistry**

How many moles are there in 80.0g of C2H5Cl? leave answer in significant figures. please help and explain how to get the answer.
*February 23, 2011 by Lisa*

**chemistry**

Express your answer as a chemical equation. Identify all of the phases in your answer. H3PO + Sr(OH)2=
*March 10, 2011 by joseph*

**Math**

Differentiate: f(x) = 2x-(x^2+1)^7 / 3 the answer choices are 1) f'(x) = 2-x / 3(x^2+1)^6 2) f'(x) = 2/3 - 14/3 x(x^2+1)^6 3) None of the above so the answer would number 1 correct?
*April 2, 2011 by Hannah*

**Math**

What is the answer to this question? 48÷2(9+3)= ( If I do it with PEMDAS, the answer would be 2, but when I type in google, it give me 288) [ 9+3 = 12 -> 48/2(12) -> 2 x 12 = 24 -> 48/24 = 2]
*April 22, 2011 by Shadow*

**Algebra**

Could someone help me check my answer? Thanks. -Write each quotient as a complex number. 1. 3i/-2+i (Is the answer for this one = 3/5-6i/5)
*January 19, 2012 by Shadow*

**algebra**

Posted this question and part of the answer was incorrect. a) 4L/3 = 6 4L/4 = 18/4 L= 18/4 L= 9/2 b) 4= 3M/2 + 32 3M/2 = -32 + 4 3M/2 = -28 3M/2 * 2= -28*2 3M= -28 -2 3M= 56 3M/3 = -56/3 M= -56/3 ??? Can answer b be checked again please
*January 24, 2012 by Algebra8*

**to mRS.SUE**

BUT I DONT UNDERDSTAND HOW YOU EXPLAIN IT!SO FOR MATH,THE ANSWER IS 20?HOW DID YOU GET THAT ANSWER?I NEED AN EXPLANATION!
*February 22, 2012 by Celest*

**the answer to ms.sue**

the answer isantigua and barbuda, dominica, and palau. they add up to 157000 and i did by hand.
*April 11, 2012 by Celest*

**pre algebra answer check**

Use a proportion to answer the question. 21 is 4% of what number? 21.875???
*May 29, 2012 by amy*

**Math**

Simplify the variable expression: 1. (13)(-x) My answer: -13x 2. (-4)(-x)^3(x)(-1/8) My answer: 1/2 • -3x I'm not sure about number 2. Thanks
*September 6, 2012 by Amy*

**chemistry**

Which of the following would not be acceptable units for density? Answer kg/L g/mL3 g/cm3<< my answer
*January 19, 2013 by jakey *

**math**

I wold like to know if I have this answer right? Factor the trinomial competely. x^2-x-2 My answer is (x-2)(x+1)
*March 24, 2013 by sam*

**math**

(-4)((-6+9)-5^2)-15 answer is 73 but i'm getting a complete different answer, im following pemdas but still dont get it?
*October 19, 2013 by Anonymous*

**Math - HELP!**

7 more than twice his age is 51. What is the answer in a algebraic equation. My answer is 2a + 7= 51 am i right or wrong
*October 26, 2013 by Mary*

**math - PLEASE!**

15 increased by t What is the answer in algebraic expression form? My answer is 15 + t am i right or wrong
*October 26, 2013 by Mary*

**Math**

Stacy Multiplied 5 * 9 and said the answer was 44. What 2 patterns could you use to show that her answer is not correct?
*February 24, 2014 by Jacob*

**Have I done this right**

write the equations in logarithmic form 216 = ^63 answer In(e^4.5) 49 = (1/7) ^-2 answer 2=log(3x)
*May 13, 2014 by Nellie*

**Calculus Chain rule**

How can derive this function?f(x) = 2/(9x^5+1)^5 The answer is The answer is -450x^4/(9x^5+1)^6 Can you please show why? Thank you
*February 17, 2015 by Tom*

**Math**

Solve the equation 13r = 3/7. Express your answer in the simplest form. a r = 91/3 b r = 7/39 c r = 39/7 d r = 3/91 Is c the correct answer.
*April 8, 2015 by Miya*

**Math**

Solve the equation. Choose the answer in simplest form. 4x = 8/7 a. 1/28 b. 1/7 c. 2/7 d. 7/2 Would the correct answer be b.
*April 8, 2015 by Jay*

**Math**

Sayed gave an answer of 6 6/7 for the problem 4 2/7 times 1 3/5. Using the estimates, is this a reasonable answer.
*May 5, 2015 by Ishmel*

**MATH**

i HAVE THE ANSWER OF 5M3 + 4N. hOW CAN i WRITE AN EXPRESSION THAT HAS FIVE TERMS AND SIMPLIFIES TO THIS ANSWER?
*September 15, 2015 by Jaxson*

**English**

1. How do you know about the painting? - I think it's beautiful. ---------------- Is this answer correct? If not, what would be the answer to the question?
*September 23, 2015 by rfvv*

**SCIENCE**

NEAR POINT OF A HYPERMETROPIC EYE IS Im.WHAT IS NATURE AND POWER IF LENS? ANSWER IS 3 D.MY ANSWER IS 5D
*November 5, 2015 by SHOBHIT SWAMI*

**Math**

2 2/3 x 1 1/3= I came up with an answer when I tried like Ms. Sue said as 3 5/9 Would that be the correct answer 3 5/9?
*February 16, 2016 by Patrick*

**Calculus**

Compute the curvature. r(t)=(t^2,2t^3/3) t >0 The answer is 1/2t(1+t^2)^3/2 I have tried multiple times but i cannot arrive to this answer.
*April 23, 2016 by Lyndsay*

**Algebra**

Here is a question, but I am having a problem finding the right systems of equation. Are the ones I have written correct? Question: The mortgage department of the company is selling two model homes that are located on the same block. The square footage, as well as the type of ...
*December 17, 2009 by Hgo*

**math**

Can you tell me if I have the correct answer to this problem. A formula to determine the area of a person’s skin in square inches is s=15.7w^0.425 h^0.725 where w is weight in pounds and h is height in inches. Use S to estimate the area of a person’s skin who is 65 inches tall...
*April 30, 2011 by patiance*

**ENGLISH ESSAY**

Which one of the sentence would you most likely find in a process essay? A.Lack of disipline in years can create teens that have no sense of purpose. B.First,gather all materials listed under "supplies." C.He walked into the room, holding the package as if it contained fragile...
*August 7, 2008 by SHAYLA*

**Math**

2 teams played each other recently. Team 1 scored N points, while team 2 scored M. 1<M and N<100. The first digit of N is a, the second digit b. N-a+b^2. The first digit of M is b, the second is a. By how many points does team M win the game? There is a mathematical way ...
*April 5, 2010 by CT*

**Math-Population Word Problem**

The population of rabbits in a national forest is modeled by the formula P=8,600+650 ln(t+1) where "t" is the number of years from the present. a)How many rabbits are now in the forest b)Estimate when it will take for the number of rabbits to reach 12,000? c)Estimate how many ...
*March 26, 2013 by Jake*

**math**

If there is a bench at first and every fourth sign after that.there is water at seconed sign and fifth after that. at which sign can i find both bench and water. my answer is i subtract 4-1=3 and i subtract5-2=3 i added 3+3=6,so ami correct to say that wzater and bench will be...
*March 20, 2011 by Keisha*

**Chemistry**

Element X and fluorine react to form two different compounds. In the first reaction 0.480g of X reacts with 1.000g of F. In the second, 0.960g of X reacts with 1.000g of F. What are the possible formulas for the two compounds? (Multiple choice) a. XF (for 1st compound) X2F2 (...
*July 25, 2005 by Paul*

**Math - repost for Anonymous**

Can someone show me the steps to these questions (I will provide the correct answers)? Thanks in advance. 1. When the polynomials 4x^3 + mx^2 + nx + 11 is divided by x + 2, the remainder is -7. When the polynomial is divided by x - 1, the remainder is 14. What are the values ...
*September 28, 2007 by Writeacher*

**physics**

I found out how I was messing up and getting the wrong answer. I entered (-30) squared + 49.5 squared then took the square root of the answer getting 39.37 instead of 57.88 which i figured out was the right answer, I didn't enter all in my calc at the same time. ...whoops. ...
*September 21, 2009 by Constant physics poster!*

**Algebra 1--Please, check my answer!**

1. A city map is laid out on a coordinate plane. Elm Street is described by the line x + 2y = -6. Oak street intersects Elm Street at an right angle. Which of the following could be the equation for Oak Street? a. 2x + y = 5 b. -2x + y = 3 c. x + 2y = 4 d. -x - 2y = 8 My ...
*June 9, 2014 by Victoria*

**Math**

You buy a television for $550. That price included a 10% sales tax. what is the price without sales tax? The answer choices are A)$500 B)$605 C)$55 D)$550 I did a proportion to find this answer by doing: 10/100=x/550 ;and I ended up getting $495, which is not one of the ...
*December 26, 2014 by Audry*

**Pre-Calc**

A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously measure the angle of depression to two consecutive mileposts on the road on the same side of the balloon. The angles of depression are found to be 24...
*March 23, 2012 by John *

**Chemistry**

Please check my answers for the following questions. THANK YOU. 1) The empirical formula of a compound that is 25.9% nitrogen and 74.1% oxygen is.... ANSWER: N2O 2) empirical formula of a compound that consists of 4.80 grams of carbon, 1.20 grams of hydrogen, and 2.80 grams of...
*August 2, 2007 by anonymous*

**French ASAP**

Can you check my answers thanks Directions: Use the clues to fill in the blank. (I don't understand 8, and 19) 1. Madame Durand n'a pas d'enfants. Mais elle a un petit ------, Minouche. Answer: Chat 2. J'ai un beau ------- pour Camille. C'est son anniversaire. Answr: Cadeau 3....
*February 4, 2009 by Kathy*

**Physics**

One end of a cord is fixed and a small 0.270-kg object is attached to the other end, where it swings in a section of a vertical circle of radius 2.50 m, as shown in the figure below. When θ = 18.0°, the speed of the object is 6.80 m/s. (a) At this instant, find the ...
*October 19, 2013 by <3*

**Mechanical behavior**

This part I have: 1)Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of the applied load, P, the span, lAB, the Young's modulus of ash, E and the moment of inertia of the cross section, I. Answer: -P*l_AB^3/(3*E*I) 2) ...
*November 8, 2015 by HELP*

**math please help**

This part I have: 1)Derive an equation for the bending deflection δ of the bat at B, where the ball hits the bat, in terms of the applied load, P, the span, lAB, the Young's modulus of ash, E and the moment of inertia of the cross section, I. Answer: -P*l_AB^3/(3*E*I) 2) ...
*November 8, 2015 by HELP*

**math**

1)Find the third iterate x3 of f(x)=x2-4 for an initial value of x0=2 A)-4 B)4 C)12 D)-12 I chose C 2)Use Pascal's triangle to expand:(w-x)5 This ones long so I chose w5-5w4x+10w3x3-10w2x4+5wx4-x5 3)Use the binomial Theorem to find the third term in the expression of:(n-2p)6 A...
*December 13, 2007 by Jon*

**spanish sra j mcguin**

De vev en cuando nuestros amigos nos _____ ayuda con la tarea. ( pedir ) answer piden Raul y yo ______ buenos amigos y siempre _______ los sabadons. (ser ) (salir) answer somos salemos Me _____tu ayudart con mi trabajo hoy (poder) answer puedes
*October 1, 2009 by sam *

**English**

The tone of "A smile" is ? A: Hopeful B: Cheerful. C: tense D: light Answer : D In "Boast Not , Proud English," the writer is protesting against: A: Prejudice B: Blasphemy C: Religion D: tolerance Answer: C ? In "Birches," Frost compares the broken ice from the tree to: A: ...
*March 26, 2013 by Ciara*

**English!**

The tone of "A smile" is ? A: Hopeful B: Cheerful. C: tense D: light Answer : D In "Boast Not , Proud English," the writer is protesting against: A: Prejudice B: Blasphemy C: Religion D: tolerance Answer: C ? In "Birches," Frost compares the broken ice from the tree to: A: ...
*March 27, 2013 by Ciara*

**spanish**

Quieres jugar basquetbol conmingo? bowwow is hot are you asking if someone wants to play basketball? yes can you answer it in spanish please ¿Jugaría totalmente el baloncesto con usted, si usted está en Calgary? ¿Yo no estoy seguro exactamente cuán bueno mi español es tan ...
*January 18, 2007 by chela*

**Math 12**

I need to write this parabola question 2(x+3)^2 -1 in general form. Not sure how to do it. Do I sqaure whats in brackets first? x^2 + 6x +9 then *by 2 so 2x +12x +18 - 1 = 0 Would this be the answer or am I doing it wrong? Any help appreciated.
*March 16, 2010 by Ray*

**algebra please check :(**

Are the lines parallel and how did I come to this conclusion? y + x = -5 and y - x = -5 first I it so y is by itself y = -x -5 second equation = y = x +5 Would the answer be yes? y= -5 and y = 5? Not sure I really understand thx.
*June 7, 2010 by bart*

**Accounting Principles**

answer question Jane Kent is a licensed CPA. During the first nonth of operations of her business, the following events and transactions occurred
*June 29, 2011 by Muna*

**algebra**

What number must be added to each of the numbers 0, 8, and 32 so that they form consecutive terms of a geometric sequence? I don't understand what the question is asking first of all. The answer is 4. Help is much appreciated.
*November 28, 2011 by jason*

**Math**

rcsdk12 . org/cms/lib04/NY01001156/Centricity/Domain/5668/10.1%20Solid%20Geometry%20Classwork.pdf In question 4, is the first choice the answer?
*April 27, 2015 by Anonymous*

**Math (Calculus)**

Given any Cartesian coordinates, (x,y), there are polar coordinates (r,theta) with –pi/2< theta < pi/2. Find polar coordinates with –pi/2 < theta < pi/2 for the following Cartesian coordinate: If (x,y) = (11,–7) then (r, theta)=( ____, _____ ) I was able to find r ...
*June 2, 2011 by Amy*

**Information Literacy**

1-To determine the best place to begin your online research, you should first A. identify keywords and search terms. B. formulate your research question. C. choose several verbs and modifiers to help define your search. D. settle on a single, concise search term or phrase. My ...
*May 12, 2012 by Moha*

**Science**

1. Douglas Fir tree rings - excavated from a cave in Arizona. Date: 577 ± 50 years AD Answer: 1373 2. Wood from Egyptian coffin - from the Ptolemic period based on style. Date: 200 ± 150 years BCE Answer: 2150 3. Wood fragments from the floor of a palace in Syria - Syro-...
*November 10, 2015 by Alana*

**statistics**

You have available five different investment strategies and their respective payoffs for various states-of-nature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate Decline Stable Moderate...
*September 24, 2011 by In Desperate Need Deena*

**Statistics**

You have available five different investment strategies and their respective payoffs for various states-of-nature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate Decline Stable Moderate...
*September 25, 2011 by Deana*

**Math**

You have available five different investment strategies and their respective payoffs for various states-of-nature as shown in the chart below. Which investment would you make under the different decision criteria? States of Nature Sever Decline Moderate Decline Stable Moderate...
*September 25, 2011 by Deana*

**Health care please check answer**

Please check my answer thank you :) How are children hospitals paid ? (excluded from Medicare acute care PPS) My answer they are paid based on reasonable costs.
*March 6, 2008 by Lauren*

**Social Studies**

How did the wartime economies of the North and South compare? a. Goods and resources of the North b. Goods and resources of the South (the a and b are not answer choices I have to answer those in my answer for the main question)
*April 14, 2015 by I<3Pewdiepie*

**maths**

The first four terms of an arithmetic sequence are 2, x-y, 2x+y+7 and x-3y where x and y are constants. Find the x and y and hence find the sum of the first 30 terms.
*April 26, 2016 by Anonymous*

**Calculus**

The area bounded between the line y=x+4 and the quadratic function y=(x^2)-2x. Hint: Draw the region and find the intersection of the two graphs. Add and subtract areas until the appropriate area is found. I found the intersection points as (-1,3) and (4,8). I'm not sure what ...
*May 9, 2011 by Janet*

**math**

If y varies diretly with x, write an equation for the direct variation. then find each value. Find y when x = 10 if y = 8 when x = 20 If think I can find the value by y/10 = 8/20 with the answer for the value is 4. My problem is how to find the equation. Please explain.
*November 6, 2012 by Jane*

**algebra**

An airplane traveled from Boston to Las Vegas making a stop in St. Louis. The plane traveled 2410 miles altogether, which is 230% of the distance from Boston to St. Louis. Find the distance from Boston to St. Louis to the nearest mile. The answer is 1048 how do you get this ...
*August 27, 2011 by 1carriebear*

**Physics**

I was wondering if my answers are correct. 1. A 50kg person is taking a ride on an elevator travelling up at a steady speed of 2.5m/s. Find the time fo the elevator trip if the elevator does 4900 J of work on the person. My answer: First I used the formula f=mg to find the ...
*February 3, 2014 by Liz*

**math,correction**

can someone correct these for me thanks.. Problem #4 Find the effective rate corresponding to the given nominal 18% compounded quarterly. My answer: 19.2% Problem #7 Find the future value of the ordinary annuity If R= $2500,I=5% interest compounded quarterly for 16 years. My ...
*June 29, 2007 by student*

**Physics**

An object is released from rest at height h above the surface of the Earth, where h is much smaller than the radius of the Earth. It takes t seconds to fall to the ground. At what height should this object be released from rest in order to take 2t seconds to fall to the ground...
*June 23, 2012 by Liza*

**MATH**

Some students pass around a box of candy containing 25 pieces.Kendra took the first piece of candy. Each child takes a piece of candy as the box is passed around. Kendra also gets the last piece and may have more than the first piece. How many children are seated around the ...
*January 25, 2007 by Melthea*

**Math**

To find the length of the longer leg of a 30°–60°–90° triangle, multiply the length of the shorter leg by _______. To find the length of the shorter leg of a 30°– 60°– 90° triangle, multiply the length of the longer leg by _______.
*October 13, 2009 by Jenny*

**calculus**

Approximate the area in the first quadrant between the x-axis, the y-axis, the line x = 3, and the function f(x) = x^2+1 For this approximation, you must use 6 rectangles of equal width, and this must be a lower sum. In your answer, you must include letters a-d below: a. The ...
*November 30, 2011 by Courtney*

**Calculus**

Using the equation x(t)= t^3 - 12t + 1, find the displacement during the first 3 seconds. And then find the velocity during the first 3 seconds. See, I know how to find velocity, but there's a question after that that says to find velocity when t=3...so how do you find it ...
*May 8, 2013 by Millie*

**Math**

You have $60.00 in your wallet and want to buy some new CDs. If the CDs are $11.00 each, what number of CDs, x, can you buy? Write and solve an inequality. Then explain your answer. My answer $60.00/$11.00=x CDs 60/11=5.45 X=5 You can buy 5 CDs with $60.00 at $11.00 each. Is ...
*September 19, 2014 by Gwen*

**US HISTORY PLZ ANSWER MY QUESTION**

name 1 person that was influential to delaware when it was first founded. plz n thnx!
*September 20, 2009 by kayla*

**math**

1. Find the LCD of 3/5 and 1/6. a. 5 b. 6 c. 11 d. 30 2 Add the fractions and write your answer in lowest terms. 2/5 + 1/9 a. 1/15 b. 23/45 c. 3/14 d. 19/45 3. Subtract the fractions and write your answer in lowest terms. 4/5 - 3/8 a. 1/40 b. 1 7/40 c. 7/10 d. 17/40 4. If ...
*August 29, 2012 by Nyla*

**French**

Could you check these thanks Directions: Vrai or faux? Part 1 1. Aux Etats-Unis chaque municipalité a son bureau de poste. Answer: Vrai 2. L'employé(e) des postes distribue le courrier et le facteur travaille au bureau de poste. Answer: faux 3. On ne peut pas acheter de ...
*March 5, 2010 by Laura*

**student supervision**

reminding students of rules and leading them towards self-discipline ia an example of what duty? (a)classroom organization (b)classroom maintenance (c)classroom responsibilities (d)classroom management(my answer) who does most of the talking in a student conference? (A)student...
*August 26, 2011 by susue*

**pre-algebra**

how do i solve proportions??? please help!! And how do i kno what corrisponding sides are??? To solve a proportion, use cross products. For example, the proportion = can be solved as follows: = Write the original proportion. 50 n = 3 180 Find the cross products. 50n = 540 ...
*March 15, 2007 by jaimmers*

**Art Help Please!!!!!**

The picture is of a woman's head sculpted out of clay,her hair is red also her eyebrows,freckles, and lips. Her eye's are blue with black outlining her nose is sculpted out and lips open.What is one characteristic of this student's work? A.creation of 3-D art B.creation of ...
*November 25, 2014 by Callie*

**physics**

A 1.70 kg ball is attached to a ceiling by a 1.50 m long string. The height of the room is 3.36 m. The acceleration of gravity is 9.81 m/s2 . What is the gravitational potential energy associated with the ball relative to a) the ceiling? Answer in units of J b) the floor? ...
*January 22, 2014 by Jordan *

**Chemistry**

My teacher gave us the answer to a chemistry problem and i cannot figure out how she got the answer. Can you help me work out this problem so i can better understand it. A gas under an initial pressure of 0.60atm is compressed at a constant temperature from 27L to 3.0L. The ...
*March 19, 2012 by Steven*

**chemistry check my answer**

In an acid base titration 32.5 ml of sodium hydroxide were neautralized by 17.6 ml of 0.180 mol/l sulfuric acid. Calculate the concentration of the sodium hydroxide. I asked this question earlier but i wanted to make sure i got the right answer My answer: 0.36 mol/L is this ...
*January 12, 2015 by Sandy*

**Math ASAP**

how do you solve 5x/2-10=x/4-1 and..... 3x/10=9/5 5x/2 -10 = x/4 - 1 Combine terms: 9x/4 = 9 9x = 36 x = 4 3x/10 = 9/5 15 x = 90 x = 6 the answer for 5x/2-10=x/4-1 is -2.875 and also i beleive the answer for numba 2 will be 1.8
*August 31, 2005 by bad chic*

**Maths algebra**

Factorise the following: x^4 - x^3 - x^2 + x The answer is x(x+1)(x-1)^2 but I cannot understand how to get this answer. Can someone please show me the working? Thanks!
*October 10, 2007 by Claire*

**Math / Fractions**

If 3/8 + 3/4 = $36.35 and the room to cover is 12 ftX 12 ft how much will the total cost be. I do not want the answer, I want you to explain to me HOW to GET the answer.
*September 6, 2008 by lifeontwofeet*

**Math answer check**

Determine the type of number that the solutions of x^2 +5x+3=0 will be I have the answer as rational is that right?
*November 9, 2008 by Shawn*

**math**

Solve the equation, if possible 2(x+3)=2(x+8) a)all real numbers b) no solution i got 10 as the answer, but is the answer a or b?
*November 11, 2008 by Bryan*

**Math116**

(17)( -7)=119 simply your answer.Type an integeror a decimal.) check this answer see if this right.
*February 10, 2009 by M Vance*

**please answer!**

Does music affect a child's ability to nap restfully? answer:Yes. WHAT WOULD BE MY VARIABLE?
*February 28, 2009 by shortee*

**math**

my dad and I are both unable to get the right answer to this ? -(-7/5)+1/8-2=? I keep getting 1-13/40 but the real answer is -19/40 what are we doing wrong
*October 12, 2009 by alyce*

**math**

Which pair of equations share a solution? Answer: 5x+2=32 4x+9=5(14-x)-7 -I know the answer but I have absolutely no idea how to get it help please!
*October 28, 2009 by Channing*

**MATH**

For ms.sue when u did the problem 3(4-x)-22=x+48 u got the answer -14.5 if u try tocheck the answer it will be wrong i need help on these problems 3(4-x)-22=x+48 (x-3)-(2x+5)=2x-7-3x ( 5x-2)-(6-2x)=-x-9+5x
*December 27, 2009 by cynthia*

**pre-calculus**

What is the polar form of the equation 3x - 4y = 12? The answer is r = 12/ (3cosx - 4 sinx) (x = theta) I don't know how to get the answer though.
*April 6, 2010 by Jamie*

**Calculus**

Determine the y-coordinate of the critical point for the function where 0<x<5? I got the derivative which is -1/x^2 + 1/(5-x)^2 but I don't know how to get the answer. The answer is y=4/5 but I was wondering how do you get that?
*April 13, 2010 by Z32*

**Math**

Write and simplify an expression to represent the area of each figure. My answer: 2x +(x+3)(x-2) = x^2-x-6 Textbook Answer: x^2-x-2 Please help. Thanks.
*April 25, 2010 by John*

**6th grade math**

in the order of operations equation 8-(24/8)^2 I Alex answered with 24/8= 3 3^2 = 9 8 - 9 = answer You cannot subtract 9 from 8. So how do you get the answer?
*October 8, 2010 by sandra*

**algebra 2**

Solve the equation for x. Round your answer to two decimal places. Do not include "x =" in your answer. ln(e^18x) = 9
*January 15, 2011 by laura*