# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

143,010 questions, page 179-
## Health

2. When the uterus extends outside the vagina, a condition known as ______ exists. A. dysplasia B. hyperplasia C. Bartholin's gland abscess D. prolapse Answer: A (correction D) 3. The patient had a diagnosis of Addison's disease, which is caused by

*asked by B B on March 31, 2010* -
## teachers aide classroom management techniques

which of the following statements is an example of a proper assertive response? (a)''please try your best to complete this homework assignment.'' (b)''can't you ever do anything right?'' (c)''i don't allow fighting in the classroom.now sit down."(my

*asked by susue on August 25, 2011* -
## Living a Healthy Life

1.When playing outside, children should wear protective clothing and play in shaded areas to a.avoid radiation from sunlight b.avoid being stung or biteen by insects c.prevent attacks of scabies d.stay cool and maintain psychological My Answer - C 2. What

*asked by Miranda on May 7, 2012* -
## English

Check out this site. http://www.cultureandrecreation.gov.au/articles/poetry/ Dear all, I need a poem that will help me answer the question "Is Australia seen as a Follower or a Leader?" I am yet to find 1 useful poem on that site... Maybe you should write

*asked by Ms. Sue on April 28, 2007* -
## Statistics - Is it from Normal Distribution

I think I know how to answer the following question IF I assume that the distribution is normal - however, since the question doesn't say that it comes from a normal distribution - should I proceed differently? Question reads: The mean IQ among members of

*asked by CJ on April 28, 2010* -
## Physics

The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally, the ball would fall 0.809 meters by the time it reached home plate, 18.3 meters away. How fast was the pitch? So for i know that

*asked by Michael on October 13, 2012* -
## Physics - check this work for horizontal displacem

A 1.5kg melon is placed on top of the post. A girl lying on the ground fires a 500g arrow at ground level with velocity of 20m/s, 60deg above the horizontal, and hits the melon when the arrow is at its highest point. The melon, with the arrow embedded,

*asked by Farah on December 5, 2010* -
## college physics (inertia)

As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the

*asked by eric on March 30, 2010* -
## physics

A gun that shoots bullets at 469m/s is to be aimed at a target 45.7 m away ans level with the gun. How high above the target must the gun barrel be pointed so that the bullet hits the target? Which equation would I use? I should have gotten 4.8 cm for the

*asked by Bobby on October 25, 2006* -
## Calculus

The burning candle A candle is placed a distance l1 from a thin block of wood of height H. The block is a distance l2 from a wall as shown in Figure 7.1. The candle burns down so that the height of the flame, h1 decreases at the rate of 3 cm/hr. Find the

*asked by Fee on October 26, 2010* -
## college physics (inertia)

As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the

*asked by eric on March 30, 2010* -
## college physics (inertia)

As a result of friction, the angular speed of a wheel changes with time according to dθ/dt = ω0 *e^-(σ*t) where ω0 and σ are constants. The angular speed changes from an initial angular speed of 3.08 rad/s to 1.58 rad/s in 3.92 s. a)Determine the

*asked by eric on March 30, 2010* -
## Movement and Music

Can you please check my semester exam before I turn it in? 1. Children who do poorly in school are primarily ______ learners. a. Auditory b. Kinesthetic c. Spatial d. visual My answer: c 2. A movement program that emphasized divergent problem solving,

*asked by Cyn on February 7, 2013* -
## Physics

An experimental train has a mass of 1.70e4 kg and is powered across a level track by a jet engine that produces a thrust of 4.90e5 N for a distance of 520 m. a) Find the change in kinetic energy. b) Find the final kinetic energy of the train if it started

*asked by Einstein on November 16, 2007* -
## Algebra

I am trying to factor polynomials by grouping the first two terms and the last two terms, but I am having some issues, I have done a few correct since I can look at the answers to the odd problems but it is taking me arund 25 minutes per problem. here is a

*asked by Ragan on July 27, 2007* -
## math

A horse worth $900 is sold by A to B at 10% loss and B sells the horse back to A at 10% profit, then the result is--- A.A loss $9 B.B loss $9 C.neither loss nor gain D.none The answer in the book in the answer key is (a) but I keep getting 171 as the loss

*asked by Mr. Someone on May 24, 2017* -
## psychology -

I have to match the following: A. Individualism versus collectivism answer: Humanity theory B. Popular theorist Eysenck initiated the five-factor model. answer: Learning theory -psychodynamic -Trait Theory -Learning Theory -Humanistic Theory -Sociocultural

*asked by rose - Ms. Sue on April 20, 2008* -
## Calculus III

Topic: Quadric surfaces. I have two homework problems, and they are quite a doozy for me. So the point is, I am given details of a quadric surface on the Cartesian coordinate system, and thus have to use the data to construct an equation through it.

*asked by Justin on September 18, 2016* -
## Science(Stuff to do like with magnets!)

1. A positively charged test object is moving toward the positive source charge in an electric field. What happens next??? A. its potential energy decreases. B. Its potential energy increases. C. Its potential energy stays the same. D. Its potential energy

*asked by Guest user on September 15, 2014* -
## chemistry - significan digits

#1) Complete the following calculation by providing the correctly rounded answer in SI Units: 6.25 g divided by 8.25 g/mol #2)You are using a scale that has an accuracy of 0.01g. Suppose you have been told that one raisin has a mass of 1.011 g and you

*asked by Sarah on May 10, 2008* -
## Chemistry

A sample of gas in a cylinder of volume 3.64 L at 275 K and 2.68 atm expands to 7.04 L by two different pathways. Path A is an isothermal, reversible expansion. Calculate the work for Path A. Answer in units of J What I did was basically W=-P(delta V)

*asked by Alex on October 18, 2015* -
## maths

simultaneous equations x + 2y = 4 3x - 4y = 7 x=3 and y = 1/2 i need to explain how i got this answer and do not know how to do that? i am confused about how you got this answer what working out is it the object in "elimination" is to get the coefficients

*asked by Vicki on April 15, 2007* -
## Chemistry

Can someone check my answers for me thank you. This is my 3rd time posting this one up...maybe its just not going through bc I don't see it on the current ?s. 4NH3 + 7O2 --> 4NO2 + 6H2O 1)How many grams of oxygen are necessary to produce 4.50 moles of NO2?

*asked by Mike on January 9, 2008* -
## Organic Chemistry

This compound is characterized by ionic bonding between a group 1 metal cation and a tetrahedral anion. Write an appropriate Lewis structure for the anion and a specify a formal charge if there is one. NaBF4 I looked up the answer and I have a few

*asked by Aletha on January 21, 2008* -
## Chem

Find the constants (a and b) for O2 in Table 5.7. Use the Van der Waals equation to determine the pressure of 1.000 mole of O2 if the gas occupies 22.50 liters at 27.00 oC. First, find the values for each of the two terms in the equation, then find the

*asked by Feather on October 11, 2014* -
## math(need 2nd opinion)

1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 A)15 B)15/2 C)-15 D)1/15 I chose A 2)Find the sum of the infinite geometric series. Sigma sign with infinity symbol above and n=1 below. To the right 20(-1/4)n-1 A)25 B)80/3 C16 D)does not exist

*asked by Jon on December 12, 2007* -
## math

1)Find a1 in a geometric series for which Sn=300,r=-3,and n=4 A)15 B)15/2 C)-15 D)1/15 I chose A 2)Find the sum of the infinite geometric series. Sigma sign with infinity symbol above and n=1 below. To the right 20(-1/4)n-1 A)25 B)80/3 C16 D)does not exist

*asked by Jon on December 12, 2007* -
## Maths

Is this statement true? Give an example to support your answer. "If two numbers are divisible by another number then their difference is also divisible by that number". I think that its like this: 3 and 4 is divisible by 12 then 4-3=1 so the answer is no?

*asked by Katy on February 26, 2016* -
## Algebra

Write an equation of the line containing the given point and perpendicular to the given line. Express your answer in the form y=mx+b. (2,4) 3x+y=6 The equation of line is y=, and explain how you have gotten the answer.

*asked by Kristi on February 8, 2012* -
## Geometry

How much more pizza is in a 12-in. diameter pizza than an 8-in. diameter pizza? Round your answer to the nearest hundredth. Be sure to show all work and label your answer!

*asked by Maria on April 7, 2017* -
## physics-finding velocity

A small block of mass .450 kg is sliding down a ramp inclined at an angle of 53 degrees to the horizontal. it starts to slide from a vertical height of .65 meters. Find the Velocity when it slides off the ramp. The way I approached this problem was by sing

*asked by Chris on December 1, 2014* -
## Stats

You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a random sample of 14 apartments advertised in the local newspaper is $1200. Assume that the standard deviation is $230. Find a 95% confidence interval for

*asked by James on July 9, 2012* -
## linear equation

john invested $4000 into stocks(s) and bonds(b). The stocks earned 7% interest. the bonds earned 9% interest. if the investment earned $300, how much money did john have in stocks and bonds. my question- how do I write this formula so I can find the answer

*asked by Jess on January 22, 2015* -
## Algebra

When Let f (x) = x^2 – 3x + 8 and g(x) = x – 5 Find Find the composite function of (fºg)(x) and simplify Find (fºg)(2) Find the composite function (gºf)(x)

*asked by Robert on June 17, 2009* -
## math-word problems with quadratics

I have 5 questions... 1) The sum of two numbers is 12. Their product is 36. Find the two numbers. 2) The sum of two numbers is -15. Their product is -100. Find the two numbers. 3) The sum of two numbers is -8. Their product is 12. Find the two numbers. 4)

*asked by Dakota on May 1, 2007* -
## French

We just learned about the pronouns leur and lui. I really don't understand them but I attempted the homework so could you please check these thanks. Part 1 Directions: Rewrite each sentence replacing the italicized words with a pronoun. (the italicized

*asked by Lisa on January 11, 2010* -
## Logarithms

I tried to do these questions but I can't figure it out. 1)4^x+6(4^-x)=5 Textbook Answer=0.79,0.5 2)8(5^2x)+8(5^x)=6 Textbook Answer=-0.43

*asked by Anonymous on January 9, 2018* -
## math help needed

the question is: -3x-2z-7 if x=3 and z= -1 i did the the question and got the answer - 14 ....but the answer key that i got say -20....can anyone help me... with this plz....

*asked by alisha on October 25, 2008* -
## Math

What would the absolute value be? \ 2-3\ if you solve it the answer comes to -1 but can you have a negative as your answer for absolute value?

*asked by Katrina on February 5, 2010* -
## maths

5% of 390 Multiply .05 x 390. What answer do you get? The answer is 19.50. Do the math.

*asked by jessica on February 16, 2007* -
## math urgent help needed

the question is: -3x-2z-7 if x=3 and z= -1 i did the the question and got the answer - 14 ....but the answer key that i got say -20....can anyone help me... with this plz....

*asked by Anonymous on October 25, 2008* -
## statistics

57, 61, 57, 57, 58, 57, 61 What is the mean My answer 408/7=58.285=58.286 answer is 58.286

*asked by Debbie on February 21, 2011* -
## math

is the answer to this question right? solve for "y" Question: 6x+8y-5=0 Answer: 3/4x-5/8=y is it right (if not can u correct it for me)

*asked by mystery on February 5, 2010* -
## math

I'm having problem trying to solve this question. Solve for x,8 is to 64 as 2 is to x, I need to know if this is the best answer (x-1)^2=64 (9-1)^2=64 (8)^2=64, is 64 the right answer yes or no.

*asked by cora evans on January 14, 2014* -
## Solve the equation log (little 3) X + log (little6

log (little 3) X + log (little6) X = 2 the answer is 3.9 can anyone please explain how do you get this answer? Thank you

*asked by Tracy on June 9, 2011* -
## MATH

I can't get the right answer on this question. The answer is 1/9. Question: (x^0 + 2y^0/x^0-2y^0)^-2 (Damon can you please explain this one to me)

*asked by Miley on January 27, 2008* -
## Math

Simplify 1... x+5/x^2+6x+5 Answer... 1/x+1 where x is not equal to -1, -5 (Is this correct? Or is it just -1? Or just 5?) 2... x^2+3x-4/x+4 Answer... x-1 where x is not equal to 1 (or -4...?)

*asked by First Name on May 7, 2019* -
## Physics

I don't know the answer which is why I'm using this web site so I don't know why it's asking for the answer :(

*asked by Anonymous on October 21, 2010* -
## Math [Algebra]

Josh simplified 4x - 8x ÷ 2 and said the answer was -2x. What was Josh's error? What should his answer should've been?

*asked by Joe on December 10, 2017* -
## Algebra2

I can't get the right answer to this problem...what am I doing wrong? (2x-4)(x+1)^2 (2x-4)(x^2+2x+2) 2x^3+4x^2+4x-4x^2-8x-8 2x^3-4x-8 but the answer I'm supposed to get is 2x^3-6x-4 what am I doing wrong? Please help! thanks

*asked by Tim on April 15, 2010* -
## math

55-20%=? please explain 20% is 0.2. It you are subtracting that from 55, the answer is 54.8. If you are subtracting 20% OF 55 (which is 11) from 55, the answer is 44. yea

*asked by hi on June 15, 2007* -
## Maths

1. A road sign says that no vehicles over 7.5 tonnes may use a bridge. My lorry weighs 4 tonnes, and I have 3.25 tonnes of presents and 4.75 of turkeys in the back of my lorry. How much am I over the bridge limit by? a)3.5 tonnes b)4.5 tonnes c)2.5 tonnes

*asked by Patsy on December 22, 2010* -
## Eng B

Shall I compare thee to a summer’s day? Thou art more lovely and more temperate: Rough winds do shake the darling buds of May, And summer’s lease hath all too short a date: Sometime too hot the eye of heaven shines, And often is his gold complexion

*asked by Jen on May 1, 2013* -
## AP Biology

If plants are grown for several days in an atmosphere containing 14CO2 in place of 12CO2, one would expect to find: very little radioactivity in the growing leaves large amounts of radioactive water released from the stomates a large increase in 14C in the

*asked by Josh on November 19, 2017* -
## math,algebra

Directions:Multiply (-1/2)(-3/8) mY ANSWER : .1875 Now how do i turn this into a fraction. numerator multiplied: 3 denominator multiplied 16 3/16 How do you get to that answer because not every single one would be multiplied by the numerator 3. Can you

*asked by jasmine20 on December 12, 2006* -
## Math

The owner of the Good Deals Store opens a new store across town. For the new store, the owner estimates that, during business hours, an average of 90 shoppers per hour enter the store and each of them stays an average of 12 minutes. The average number of

*asked by Rebecca on September 28, 2018* -
## Physics

The period of motion of an object-spring system is T = 0.474 s when an object of mass m = 296 g is attached to the spring. (a) Find the frequency of motion in hertz. _______Hz (b) Find the force constant of the spring. _______N/m (c) If the total energy of

*asked by Ame on December 6, 2012* -
## Introduction to vet terminology

1. Which of the following is not a tissue type? A. Epithelial tissue B. Connective tissue C. Plasma tissue (my answer) D. Nerve tissue 2. Within the body, the _______ cavity houses the lungs. A. thoracic (my answer) B. pneumonic C. pelvic D. cranial 3.

*asked by Cassie on November 11, 2010* -
## physics

A machine part rotates at an angular speed of 0.77 rad/s; its speed is then increased to 1.76 rad/s using an angular acceleration of 0.29 rad/s 2 . Find the angle through which the part rotates before reaching this ﬁnal speed. Answer in units of rad

*asked by Anonymous on December 13, 2012* -
## psy - revised

Beauty is in the eye of the beholder. What might be attractive to one might not to another. There is a little bit of both factors because some people are intrinsic for example, having a race preference, black versus white, big versus thin, tall versus

*asked by rose- Ms. sue on May 20, 2008* -
## math

what do we call the numbers that cannot be arranged into 2-row arrays? I think this is the 3rd time I've seen this question posed. I'm not aware of any special name for arrays with two rows, so I'd sure be interested to see what the quesioner has in mind

*asked by Kristy on August 30, 2006* -
## logic

Determine if enumerative induction, analogy, casual, statistical syllogism. 1. People who drink a warm glass of milk before bed always sleep well. Therefore, drinking a warm glass of milk before bed will help a person sleep well. Answer: Analogy 2. Infants

*asked by PATRIS Please help on September 19, 2017* -
## PHILOSOPHY

Determine if enumerative induction, analogy, casual, statistical syllogism. 1. People who drink a warm glass of milk before bed always sleep well. Therefore, drinking a warm glass of milk before bed will help a person sleep well. Answer: Analogy 2. Infants

*asked by PATRIS on September 19, 2017* -
## Math

So, I need to find the mass of a cube. I have diameter of 16.4 micrometers, and density of 1,000 kg/m3. I can find all kinds of formulas for spheres, but not for cubes?

*asked by Jessica on February 23, 2016* -
## Algebra Grade 7

How do you find the sales tax? How do you find the discount price? Please help me, I really appreciate it. This is for studying and I am completely stuck. Thanks in advance to any and all help.. luv ya, ♥dino♥

*asked by rawr... im a dinosaur.... rawr on October 19, 2012* -
## trig

Find the indicated trigonometric function, given that è is an angle in standard position with the terminal side passing through the given point. 2) (15, 20); Find csc è. A) 5/3 B) 3/4 C) 5/4 D) 4/3

*asked by bhangu on January 31, 2012* -
## Math please help!!!

Solve the system of equations to find x,y,z (hint let d=x2 e=y2 and d=z2 . Find d e and f first) 2 means squared I don't have it on my keyboard. X2+y2+z2=9 3x2-y2-z2=7 Y2+2z2 =6

*asked by Tom on October 1, 2017* -
## Algebra 1B

Please help I am so confused... Question: supposed that y is directly proportional to x. a) use the given info to find constant of proportionally k. b) then use y=kx to find y for x=6 y= -62 when x=5 Please help.. thank you this is all I have so far. not

*asked by Liz on August 2, 2012* -
## Math

Use a double or half angle identity to find the exact value of the following expression: if cos x= 4/5 and 270° < x < 360°, find sin 2x Please help! Thanks

*asked by mysterychicken on January 30, 2013* -
## To DrBob222

Can you please explain thoroughly to me about all this. Why do we criss cross the formulas of compounds? How do we find out which combining capacity to use if there are more than one? Is there a special formula we use to find out or something? I really do

*asked by Sara on April 24, 2010* -
## sociology

Which of three theoretical perspectives best explains the fact that Americans find work roles psychologically satisfying but also find them to be stressful?

*asked by paula on July 28, 2009* -
## Literature

I need to find a critical analysis for Thed Lady with the Pet Dog by Anton CHekhov? Can anyone give me advice where I can find this?

*asked by Lacy on October 10, 2007* -
## Chemistry

I am doing a lab on Creating An Effective Airbag. We need to find out how much of the base is needed, which is NaHCO3,if we have 2.25 M of HCl, which is the acid. How much of the sample do we need? and how do we find out how much we need?

*asked by Samantha on May 29, 2013* -
## maths

find the length of a wire required to fence the rectangular field 200m x 150m and also find the cost of fencing at Rs.10/m?

*asked by rachel on February 24, 2013* -
## calculus

Consider the following. y = (2x2 + 5)(x3 − 25x) at (5, 0) (a) At the indicated point, find the slope of the tangent line. (b) Find the instantaneous rate of change of the function.

*asked by Adam Janky on March 10, 2011* -
## college algebra

given the functionf(x)=x^3+3x find the rateof change between the two stated values for x:1 to 2 find the equation of a secant line containig the given points (1,f(1))and (2,f(2))

*asked by zachary on November 2, 2012* -
## Calculus

If tanh(x)=24/25, find the values of the other hyperbolic function at x I was able to find coth(x)=25/24, but what is sin, cos, csc, and sec? I would greatly appreciate your help!!

*asked by Sarah on May 24, 2010* -
## Calculus

Let f be the function defined by f(x)=xe^(1-x) for all real numbers x.: a. Find each interval on which f is increasing. b. Find the x-coordinate of each point of inflection of the graph of f

*asked by Anonymous on January 16, 2012* -
## Read and Write

On my homework I have to put what kind of government that Columbus Indiana has. Can anyone direct me to a website where I could find this information. I have googled and can not find it.

*asked by hunter on September 25, 2010* -
## geography

i need to find information about kenya. transport healthcare clothing and education. ive looked myself but can only find things for tourists.

*asked by amy on April 13, 2009* -
## algebra 2

a. find the value of the discriminant b. describe the number and type of root c. find the exact solution by using quadratic formula 1. p^2+12p=-4 2. 9x^2-6x+1=0 3. 2x^2-7x-4=0

*asked by Reina Bonilla on December 14, 2014* -
## Pure Mathematics

4) The roots of the equation z^2+2z+4=0 are denoted by α and β. a) find α and β in the form re^iθ, giving the values of r and θ b) Using de Moivre's Theorem, show that α^3=β^3. c) find the exact value of αβ*+α*β

*asked by Kerry on September 23, 2013* -
## Calculus-PLZ help!

Given u=3i-2j+k,v=2i-4j-3k, w=-i+2j+2k, 1 Find a unit vector normal to the plane containing v and w. 2 Find the volume of the parallelepiped formed by u, v, and w. 3 Are any of these vectors parallel? Orthogonal? Why or why not?

*asked by Liz on May 13, 2013* -
## Calculus II

Find the centroid (x¯,y¯)(x¯,y¯) of the region bounded by: y=5x^2+6x y=0 x=0 x=6 I know the integral (think, at least) is from 0 to 6 and between the first and second equation given, but I missed this lecture and have no idea how to find the center of

*asked by Ethan on February 19, 2017* -
## Physics

A 4.06m long organ pipe is open on both ends. A)Find its fundamental frequency. B)Find its first three overtone frequencies

*asked by sandra on December 2, 2013* -
## Statistics

Two problems: 1. Find D sub 3 of the following data set: 60, 40, 26, 33, 23, 53, 36, 23, 28, 12, 30, 47 2. Find P sub 26 of the following 25 scores: 38.5, 41.5, 52, 52.5, 61, 63, 63.5, 68, 69, 69, 78.5, 79, 80, 83, 87, 88.5, 88.5, 91, 91.5, 92, 92.5, 94,

*asked by Amy on June 24, 2009* -
## Calculus

Find the absolute maximum and minimum vales of the set D. F(x,y) = x^2 + y^2 - 2x, D is the closed triangular region with vertices (2,0), (0,2), and (0,-2). I know that I have to find Fx(x,y) and Fy(x,y) but I'm not sure where to go from there. Any help is

*asked by James on October 4, 2012* -
## social studies

Find me a site for this sentence: a project in which canadians are providing aid in the area of health care or education. I can't seem to find one

*asked by Mukti on May 15, 2010* -
## math

Find the volume of the region obtained by revolving the area below about the line x=3. y = x3, x=2, y=0 Find the moment of inertia of this solid of revolution.

*asked by Anonymous on March 13, 2014* -
## Calc I

Yes I was trying to find the range y = (x^2 -4)/(x^2 - x -12) ok using 2(4 +/- sqrt(15) ) sorry I forgot the minus in the derivitive but ya that makes sense but however I need three critical values that only gives me graph it and you'll see there are three

*asked by Kate on July 24, 2010* -
## Math

Find the critical numbers of U=U(t) Determine the intervals on which U is increasing and on which it is decreasing. Find the local extrema of U. U=U(t)=(5cos(2t/pi))/(2+sin2t/pi)+6

*asked by Jayden on November 26, 2018* -
## Trigonometry

find the value for the indicated trig function for ø, if ø is an angle in standard position with the terminal side defined by the given point. (18,24); find cos ø

*asked by Kimmy on September 22, 2015* -
## language art

From the play "The Diary of Anne Frank" Examples of Dramatic Irony - Find 3 of them. Find the quote. Explain why it is ironic.

*asked by Rose on February 3, 2017* -
## U.S. History

can anyone help me find a piece of architectuer in Atlanta, Georgia that shows a blending of two cultures i have tried searching g oo gle but i don't find anything

*asked by y912f on January 22, 2009* -
## math

can u help me with a problem like this find the original price: tickets marke35% to $59.40 and find the percent of the discount or markup: $52 sweater on sale for $31.20 please help

*asked by micheal on December 18, 2011* -
## P. Chemistry

If given the Ka or Kb and pKa and pKb, how do you find the initial concentration of a weak acid/base in a solution given the pH? Is there an equation for this? I can't find anything in my notes and am not sure what to look for.

*asked by Mark on February 23, 2010* -
## trig

I need help on these problems: Find the exact value of tan(23pi/6) also, Find the reference angle in radians and degrees for (34pi/18) please help walk me through these.

*asked by Lex on October 4, 2009* -
## writing

Can someone please help? Does this seem to be correct? o Identify which paragraph was more effective and analyze why this is so. o Include a discussion of sentence variety and the rhythm of the author’s writing. o Focus on the writing rather than the

*asked by Anonymous on August 24, 2011* -
## Lang. Arts

Read the following stanza from “Alone”: Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I came up with one thing And I don’t believe I’m wrong That nobody, But nobody Can make it out here

*asked by Cassie on February 26, 2013* -
## pre-calculus

An open box is made from a square piece of material 36 inches on a side by cutting equal squares from the corners and turning up the sides. Use your calculator to find the maximum volume this box can hold. I got the equation 4x^3-36x^2+1296x = V But when I

*asked by perry on September 18, 2009*

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