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

143,010 questions, page 204-
## Calculus

a(t)=4sin3t;v(0)=1,s(0)=6 I'm trying to find expression for s(t). Should I wait till the end to add find and add constant. I got [1/9(13t-4sin(3t))+6] and it was wrong.

*asked by Anon on April 24, 2016* -
## Differential Calculus

A ball thrown up has a height f(t)=250t-25t^2 after t seconds. (1) find the maximum height (2) find the velocity when it hits the ground.

*asked by matrix school 2 on August 10, 2009* -
## calculus

find all points on the curve x^2y^2+xy=2 where the slope of the tangent line is -1 I know that you have to find the derivative when it equals -1 i got y'=(2x*y^2-y)/(2x^2*y+x) (i don't know if it is correct or not) but i don't know how to go from here. any

*asked by Fredrick E. on November 1, 2011* -
## Chem

Which of the following will be more soluble in an acidic solution than in pure water? 1.PbBr2 2.CsClO4 3.Cd(OH)2 4.Ag2(SO4) 5.BaSO3 How can I find which is which? Could you tell me the best way to find which one is more soluble? Thank you!

*asked by Kim on October 26, 2010* -
## physics

How long would it take a 750W electric motor to do 1.5x10^5 of work What I have so far: So we know w=fappxd 1.5x10^5=750xd So we can arrange that to find d. And then maybe use a formula to find t? Thank you!!

*asked by amy on March 30, 2017* -
## Algebra

Are my answers correct? 8. The first, second, and the nth terms of an arithmetic sequence are 2, 6, and 58 respectively, i. Find the value of n n = 15 ii. For that value of n, find the exact value of the sum of n terms. S_15 = 450

*asked by Anon on March 12, 2019* -
## Calculus

f'(x) if x is less than or greater than 1 Let F'(x)={ g'(x) if x>1 Where f'(x)=x/(x^2-2)^2 and g'(x)=3x-4 A. If f(1)=3/2, find f(x) B. If F(x) is continuous at x=1, find g(x). C. Express F(x). D. If F(x) is continuous at x=1, determine if F(x) is

*asked by Anonymous on February 13, 2015* -
## math vector

Find the unit tangent vector T(t) and find a set of parametric equations for the line tangent to the space curve at point P. r(t)=ti+t^(2)j+tk, P(0,0,0)

*asked by jay on February 7, 2014* -
## Decimal lesson

I need to find a sample lesson plan on rounding decimals using the number line.... and converting fractions to decimals. Do you know where I could find these lessons?

*asked by MARY on May 6, 2008* -
## PHYSICS.

5. A motor lifts a 12 kg mass to a height of 15 m at a constant velocity in 3.5 s. a) Find the power b) If the motor is only 35% efficient find the input energy.

*asked by Unknown on June 17, 2014* -
## math

Given the triangle shown, describe the function values in term of the triangle's two legs /| /a| y / | /o__| x Find: sec a Find: csc o

*asked by Joe on August 5, 2011* -
## calculus

find all points on the curve x^2y^2+xy=2 where the slope of the tangent line is -1 I know that you have to find the derivative when it equals -1 i got y'=(2x*y^2-y)/(2x^2*y+x) (i don't know if it is correct or not) but i don't know how to go from here. any

*asked by Fredrick E. on November 1, 2011* -
## Algebra I-

(solving for x) 3(x+5)=6x-4+7(-7x-1) Each time I try this i plug the numbers in and i find out that i am worng. Please help! I get -13/23 but I didn't check it. Post your work if you want me to check it and find your error.

*asked by Victor on January 21, 2007* -
## Math - Coordinate Geometry

The vertices of a quadrilateral are A(-2,3), B(5,4), C(4, -3) and D(-3, -4). Prove that ABCD is a rhombus. Find the area of ABCD. Formula to find length: d = √(x2 - x1)^2 + (y2-y1)^2 Please show working out, thanks.

*asked by Anonymous on December 17, 2016* -
## Chemistry

The solubility of KCLO3 at 25 degree celcius is 10.9 per 100.g of h20. question: If 15 g are addded to 100 g of water at 25 degree celcius with stirring, how much of KCLO3 will dissolve? Is the solution saturated, unsaturated, or supersaturated? please

*asked by Tammy on May 7, 2007* -
## statment!

“ he was little or nothing but life.” what does this statement mean? Rob (or is it Ben?) -- Please note the following: Please remember these things: 1. This is a homework help website; please put your subject (math, science, English, or ??) in the

*asked by rob! on November 2, 2006* -
## chemistry

Please judge my answer Question:A solution of AgNO3 (45 mL/0.45 M) was mixed with solution of NaCl (85 mL/1.35 x 10-2 M) a) Calculate the ion product of the potential precipitate. b) Would a precipitate form? The Ksp of AgCl(s) is 1.8 x 10-10. Answer: For

*asked by Abigail on April 15, 2008* -
## ss

You have been reading about the war between the United States and Mexico from 1846 to 1848. It sprang out of a dispute between two countries over the southern border of Texas. The U.S. claimed the Rio Grande as the border, while Mexico claimed the Nueves

*asked by Naruto on November 28, 2016* -
## English

I left out the following sentences. I hope you can have a look at them. I need you to check the word choice, please. 1) Photo B shows a and a customer standing at the. The woman is paying her gift by credit card. 2) In the background I can see different

*asked by Henry2 on September 10, 2011* -
## Math

Kim throws her basketball up from the ground toward the basketball hoop from a distance of 20 feet away from the hoop. The ball follows a parabolic path and returns back to the gym floor 5 feet from the hoop. Write one possible equation to represent the

*asked by Harpreet on May 30, 2016* -
## business law

Lois was charged with embezzling money from her employer. She was tried in court before a jury who found her innocent of the crime. After the trial, the police found additional evidence clearly showing Lois was guilty of the crime. Since Lois cannot be

*asked by business law on March 21, 2019* -
## objective and eyepiece lens

What is the approximate magnification of a compound microscope with objective and eyepiece focal lengths of 0.3 cm and 3.6 cm, respectively, and a separation between lenses of 20 cm? The answer is 460. I tried finding the magnification for the eyepiece

*asked by katherine on May 22, 2009* -
## Physics

A mobile consists of two very lightweight rods of length l = 0.400 m connected to each other and the ceiling by vertical strings. (Neglect the masses of the rods and strings.) Three objects are suspended by strings from the rods. The masses of objects 1

*asked by Luca on June 22, 2012* -
## Calculus

I'm having trouble trying to figure this problem out, I know the variables of the problem but I don't seem to get the right answer here is the formula that i'm using: A = P (1 + r/n)^n * t. Here is the problem: If Joe deposits $12,000 into an account that

*asked by Vesone on April 1, 2007* -
## Spanish-Please check and clarify

Could someone recheck this-I don't understand the two follow up answers because they seem to contradict each other-Maybe its the question or wording I'm confused about but I still don't understand if this is true or false. I thought it was false.I'm sorry

*asked by BethAnne on February 22, 2011* -
## Algebra

I am in need of assistance with the following problem: v-4(4-v) = -2(2v-1) I don't want an answer I will work the problem myself I just need some one to assist me with the detailed rule or formula to work the problem. I have been on multiple sites trying

*asked by Alexcia on March 12, 2007* -
## Chemistry - electron configuration

Hello Dr.Bob. Could you please take a look at the following question? I know the correct answer for it, but I'm not sure how to go about solving it. Which ground state electronic configuration will most readily ionize to a 2 + cation? A)

*asked by Constantine on April 19, 2013* -
## Math Help or I fail

1. What is the solution to negative Start Root 75 End Root to the nearest integer? (1 point) 9 8 -8 - My answer -9 2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of

*asked by Apple Pause on October 29, 2018* -
## Algebra HELP PLEASE

A cylinder has a radius of 4x + 2 and a height of 5x — 4. Which polynomial in standard form best describes the total volume of the cylinder? A.80pix^3+144pix^2+84pix+16pi B.20pix^2+26pix+8pi **** C.80pix^3+144pix^2+84pix-16pi

*asked by Cassidy on March 14, 2016* -
## engr 109

Calculate the resistance of a 1 mile length of wire if the conductivity (sigma) is 5.7x10^5 (ohm-cm)^-1 and the diameter of the wire is 1 inch. The formula for resistance is R = length/(sigma*Cross-sectional area) but all of the units must be consistent.

*asked by r on February 18, 2011* -
## Sine, cosine law

A sail boat on lake Huron leaves Southampton and sails 20degrees west of north of 20km. At the same time, a fishing boat leaves Southampton and sails 30degrees west of south for 15 km. At this point, hot far apart are the boats, to the nearest km? ( the

*asked by Nada on July 20, 2010* -
## Math

The width of a rectangle is fixed at 16 cm. What lengths will make the perimeter greater than 78cm? Would the answer be 23 because 16*2+23*2=78cm or would the answer be 24. Because the perimeter is greater than 78cm

*asked by Richard on April 8, 2010* -
## math

I need help forming an equation for this word problem.. A long distance phone company charges $0.027 per minute and a $2 monthly fee. Another long distance phone company charges $0.035 per minute with no monthly fee. Find the number of minutes for which

*asked by lea on February 10, 2010* -
## math

examine the rise in gasoline prices from 1997 to 2006. the price of regular unleaded gasoline in january 1997 was $1.26 and in january 2006 the price of regular unleaded gasoline was $2.31 (bureau of labor statistics,2006) use the coordinates (1997,1.26)

*asked by joe on July 18, 2009* -
## computers please help

Hi i'm taking a intro to technology class and we have this assignment where we take different types of computers and find information. but i'm stuck. i need to find the speed of the motherboard for all of them. here's a list of them i have find for:

*asked by Anonymous on September 6, 2006* -
## Chemistry

A certain compound containing only carbon and hydrogen was found to have a vapor density of 2.550 g/L at 100 degrees C and 760 mm Hg. If the empirical formula of this compound is CH, what is the molecular formula of this compound? I had some ideas as to

*asked by Amy on December 9, 2012* -
## statistics

A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? What is the probability that the student will answer the first question

*asked by Tanya on November 19, 2011* -
## Pre-calculus-check answers

Write the polynomial equation of least degree that has the roots: -3i, 3i, i, and -i. Answer: (x+3i)(x-3i)(x-i)(x+i)=x^4+x^3-x^3i+9x^2+9x-9xi-9i 2)Determine if the expression 4m^5-6m^8+m+3 is a polynomial in one variable. If so, state the degree. Answer:

*asked by Lucy on August 23, 2008* -
## Math

A student is taking a multiple choice exam. There are five possible answers for each question. What is the probability the student will answer the first question correctly? What is the probability that the student will answer the first question

*asked by Tanya on November 19, 2011* -
## geometry

Open that link please please help me with my assignments 1. in the figure , the areas of traingle cef, triangle abe, triangle adf are 3,4, and 5 respectively. find the area of triangle aef 2. equialateral triangle abc has an area of square root of 3 and

*asked by BARBIE LEE on November 7, 2013* -
## AED / ASAP PLEASE 2

Review the experienced teacher’s lesson plan in Figure 3.3 on p. 78 of the text. Write a 200- to 300-word response by adding more detail to the experienced teacher’s lesson plan: o Provide ideas for motivating students. o Create question prompts. o

*asked by dawn on October 24, 2008* -
## ap calc

a particle moves along the x-axis so that its velocity at any time t is equal to or > 0 is given by v(t)= (2pie-5)t-sin(piet) a.find the acceleration at any time t. b.find the minimum acceleration of the particle over the interval [0,3] c.find the maximum

*asked by james on February 17, 2013* -
## ap calc

a particle moves along the x-axis so that its velocity at any time t is equal to or > 0 is given by v(t)= (2pie-5)t-sin(piet) a.find the acceleration at any time t. b.find the minimum acceleration of the particle over the interval [0,3] c.find the maximum

*asked by james on February 17, 2013* -
## Chemistry

Phosphorous trichloride (PCl3) is produced from the reaction of white phosphorous (P4) and chlorine: P4(s) + 6Cl2(g) --> 4 PCl3(g) . A sample of PCl3 of mass 280.7 g was collected from the reaction of 70.86 g of P4 with excess chlorine. What is the

*asked by Harry on March 23, 2011* -
## physics

A student sits on a freely rotating stool holding two weights, each of which has a mass of 3.00 kg. When his arms are extended horizontally, the weights are 1.00 m from the axis of rotation and he rotates with an angular speed of 0.750 rad/s. The moment of

*asked by nicole on December 5, 2006* -
## physics

A large box of mass M is pulled across a horizontal, frictionless surface by a horizontal rope with tension T. A small box of mass m sits on top of the large box. The coefficients of static and kinetic friction between the two boxes are μs and μk,

*asked by jjh on February 22, 2017* -
## physics

A 4.90 kg particle moves along the x axis. Its position varies with time according to x = t + 3.4t3, where x is in meters and t is in seconds. (a) Find the kinetic energy at any time t. (Accurately round any coefficient to exactly two decimal places. Use t

*asked by carlton on November 14, 2011* -
## Math

Find the linear speed in feet per minute of a seat on the Ferris wheel. v= r.w How do I find out "w"? r= 25 ft. arc= 40 ft. angle= 58° 1 revolution= 157 ft./revolution

*asked by Melia on November 14, 2012* -
## pre calculus

Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane. F(x)= ln(8-x) I am totally lost, somebody please help????

*asked by trish on April 24, 2013* -
## Precalc

An ellipse has this Cartesian equation: ((x-2)/5)^2 + ((y-4)/3)^2 = 1 Find the focal radius Find the eccentricity Write the parametric equations for the ellipse Transform into the form, Ax^2 + By^2 + Cx + Dy + E = 0

*asked by Grace on January 20, 2012* -
## Calculus

The velocity function (in meters per second) is given for a particle moving along a line. v(t) = 3t − 7, 0 ≤ t ≤ 3 (a) Find the displacement. -7.5 m (b) Find the distance traveled by the particle during the given time interval.

*asked by Anonymous on May 10, 2018* -
## Math Calculous

Given a = 13, b = 29, find the missing sides and angles in the right triangle, where a is the side across from angle A, b, across from B, and c across from the right angle Round your answers to three decimal places c = 31,780, A = ?, B = ? trying to find A

*asked by Leoroy on October 31, 2014* -
## statistics

98,99,99,103,101,102,104,89,87,90,90 Find the 25th and 75th percentiles. Within how many standard deviations of the mean is the value 102. Find the interquartile range.

*asked by Anonymous on June 4, 2012* -
## 9chemistry

could u please help me find a chemistry beaker that has a spout in the middle of the cup on the right side and points down? i cant seem to find that type of beaker anywhere and i need to know what its called for a test tomorrow. thanks for ur help:)

*asked by beccaa on September 14, 2009* -
## math

Find the orthogonal canonical reduction of the quadratic from -x^2+y^2+z^2-6xy+2yz. Also, find its principal axes,rank and signature of the quadratic form.

*asked by gourav bhardwaj on March 28, 2016* -
## Calculus

Find the area of the enclosed by the y-axis and the curves y=x^2 and y=(x^2+x+1)*e^(-x). ...I'm supposed to use tabular method to find the area. But I'm not sure where to start with this question. I drew the graph for y=x^2, but that's about it. Help!

*asked by Anonymous on October 30, 2010* -
## physics

Abody moves along astraight line from A-B wiz uniform acceleration 2/3ms velocity at B is 25m/s.find velocity at A.find distance A-B.

*asked by Tumusiime on January 14, 2017* -
## Maths

The Random Variable X is normally distributed with mean 560 and standard deviation 20. Find P(X

*asked by Bob on February 26, 2018* -
## Algebra II

The question reads: Use synthetic division to find P(2) for P(x) = x^4 - 8x^3 - 8x^2 - 10x - 2 I have no idea how to do this problem. Could someone give me a step by step explanation or link me to somewhere I can find out how?

*asked by Green on May 19, 2009* -
## Maths

The Random Variable X is normally distributed with mean 560 and standard deviation 20. Find P(X

*asked by Ed on February 26, 2018* -
## Maths mensuration

ABCD is a parallelogram with sides AB=12cm,BC=10cm and diagonal Ac=16cm.find the area of parallelogram. Also find the distance between its shorter side.

*asked by Naga on October 25, 2017* -
## magh

a liscense plate that has 3 numbers from 0-9 and 2 letters where each number and a letter may be used more than once. Find the Fundamental Counting Principle to find the number of outcomes in the situation

*asked by Rebecca on February 9, 2016* -
## precalculus

find the values of the requested trig functions using the given value and quadrant in which the point corresponding to the angle lies. quadrant II; sinθ=4/5 find cosθ and tan θ

*asked by glen on October 10, 2015* -
## maths

Mr moyo's kitchen length is 5m and width is 4m find the scale and use scale factor to find the actual areas the room help pliz be fast

*asked by sandile on October 21, 2017* -
## Science

For my Biology class, I need to find and print out an article that talks about renewable resource technology or new technology that is beneficial to the environment. Can anyone help me find any good ones?

*asked by Nina on January 12, 2011* -
## math

a liscense plate that has 3 numbers from 0-9 and 2 letters where each number and a letter may be used more than once. Find the Fundamental Counting Principle to find the number of outcomes in the situation

*asked by Rebecca on February 9, 2016* -
## Business Math

A number increased from 224 to 336. Find the percent of increase. A number decreased from 250 to 195. Find the amount of decrease.

*asked by tmouery on January 18, 2013* -
## Math

Find any critical numbers of the function. (Enter your answers as a comma-separated list.) g(x) = x^7 − 7x^5 Honestly, I have no idea how to find the critical number!

*asked by Reza on February 17, 2012* -
## Model UN (Global)

For the OIC council in Model UN, my third topic is Insurgency in South Thailand. I need to find out how Albania feels on this topic and can't find any sites or articles. Thanks

*asked by Anonymous on November 9, 2008* -
## chemistry, Please help.

Please tell me where I can find the articles ( free) to represent the Setvens rearrangement and Favorskii rearrangement. I have to have them for presentation but I have not taughed about these reaarangenment yet. I hope somebody on Jiskha will help me to

*asked by bun on November 9, 2010* -
## Chemistry

How do I find delta S of 2 Na(s) + 2H2O(l) -> 2NaOH(aq) +H2(g)? I tried to find it using this.... ^Srxn= 2S(NaOH) - S(H2) -2S(Na) - 2S(H2O) = 2(48.1)-130.7 - 2(51.21) - 2(69.95) = 96.2 - 130.7 - 102.42 - 139.9 = -279.82 Where did I go wrong??

*asked by Shana on May 1, 2014* -
## please help!!

Find the equation of the tangent line to the graph of f(x) = 2x − 6/x + 1 at the point at which x = 0. (Let x be the independent variable and y be the dependent variable.) I don't know how to find the derivative, i Keep getting it wrong. But I know where

*asked by Angelica on October 1, 2015* -
## math/calculus

f(x)= the absolute value of x^2-6x-7 a) Find a piecewise defined function that has no absolute value involved b) Let g(x)=f(x) for x is greater than or equal to 7 find an expression of g^-1(x) c. give the domain and range of g^-1(x)

*asked by angie on January 2, 2012* -
## 7th grade Pre algebra( math honors0

triangle ABC is smilar to triangle FED Ab= 12 Ac=15 De=4 df=5 1. write three equal ratios to show correspnding sides are prosportional. 2. find the value of bc 3. find the value of ef.

*asked by panda on November 29, 2010* -
## Calc III

Find the absolute maximum of the function f(x,y) = x^2 + 4y on the set of points (x,y) that satisfy x^2 + y^2 < or = to 25. I understand that you have to check the endpoints and find critical points, but I cannot solve this. Thank you.

*asked by Anon on November 20, 2016* -
## solid mensuration

is what i've been doing correct so far: find the value of h for a spherical segment whose volume is equivalent to 159pi if the radii of the bases are 5m and 4m respectively v= (pi/6)(3a^2 + 3b^2 + h^2) h v= 0.52 ((3)(5^2) + (3)(4^2) + h^2) h = 0.52

*asked by ylzik on March 10, 2009* -
## Math

1. Find all complex numbers z such that |z-1|=|z+3|=|z-i|, if i is the square root of -1. I got to the part where you graph the equations, but got stuck. 2. Find all cube roots of 8i. I know there are 3 answers, but I am stuck.

*asked by Elodea on February 24, 2017* -
## Science

I am trying to find the watts, volts, and amps for eletrical appliances in the famiyroom/livingroom. Do you know of a website that has those listings because I tried to look at home on the appliances but can't find all the info. thanks:)

*asked by Micheal on February 17, 2009* -
## Calculus

I have done one part of this question. I am, however, unsure as to how to set up the graph. Can someone help me? 1. Use a graph to find a number N such that |(6x^2+5x-3)| | |------------- -3 | < 0.2 whenever x>N |(2x^2-1)| | y=2.8 and y=3.2 My issue is how

*asked by Anonymous on September 15, 2015* -
## Calc 1

The velocity function (in meters per second) is given for a particle moving along a line. v(t) = t^2 − 2t − 15, 1 ≤ t ≤ 7 (a) Find the displacement. (b) Find the distance traveled by the particle during the given time interval.

*asked by TayB on May 15, 2015* -
## geometry

The length of each edge of a trianglar tent if 8 ft. ( 3 sides and a bottom) (a) Find the area of each face (b)Find the total surface area of the four faces

*asked by Mary on May 8, 2011* -
## urgent urgent algebra

find the composite function fog f(X) = 1/X-5,g(x)-6/x question 2 find inverse, domain range and asymatotes of each function f(x)=3+e^4-x can some one help me please been stuck on these for 2 days need help solving thank you

*asked by zachary on March 19, 2013* -
## calculus

c)The price (in dollars) p and the quantity demanded q are related by the equation: p2+2q2=1100. If R is revenue, dR/dt can be expressed by the following equation: dR/dt=A(dp/dt), where A is a function of just q. i)Find A. ii)Find dR/dt when q=20 and

*asked by chamberlain on October 27, 2012* -
## math

Find the orthogonal canonical reduction of the quadratic from -x^2+y^2+z^2-6xy+2yz. Also, find its principal axes,rank and signature of the quadratic form.

*asked by gourav bhardwaj on March 27, 2016* -
## ALGEBRA

I need to find a slope and y intercept of the line and write the fractional answers in lowest terms. 2y+8x+3=12+8x; I would like to try this one and get your input. 2y+8x-8x-12-3; 2y/2 = 9/2; y = 9/2 however I did not find the slope. I don't think there is

*asked by CANDY on November 20, 2010* -
## Calculus

Find the 3rd order for the taylor polynomial in powers of x for the function f(x)=sinh2x and find the remainder as a function of x and c. P3(x)=? R3(x)=? What's the kth term expression?

*asked by John Lewis on June 18, 2013* -
## Statistics

A box contains 12 lights bulbs, of which 4 are defective. All bulbs look alike and have equal chance of being chosen. 3 light bulbs are selected from the box to check the quality. a. List all the possible outcomes b. find the probability that all 3 are

*asked by Yvonne on November 9, 2011* -
## physics

A force of magnitude Fx acting in the x-direction on a 2.50-kg particle varies in time as shown in the figure below. (a) Find the impulse of the force. (b) Find the final velocity of the particle if it is initially at rest (c) Find the final velocity of

*asked by sally on March 29, 2012* -
## Math

3x-4 to y+15 is constant and y=3 when x=2 then when y=12, x equals? My answer was 13. Im not sure how to solve this question. Could you please go through the steps so I can see they match up with mines. My Steps: 3x-y:y+15 The original problem above says

*asked by DrBob222 on February 1, 2007* -
## math 115

1.evalute the expression -8 + 15 = 7 is this answer correct? 2.evaluate the expression 19+(+4) = 23 is this answer correct? 3.Evaluate the expression (13) (-4) (-6) = 312 is this answer correct? 4. evaluate |10|+ |-2| =8 is

*asked by Lea on September 5, 2009* -
## Statistics

The Random Variable X is normally distributed with mean 560 and standard deviation 20. Find P(X

*asked by Bob on February 26, 2018* -
## math

Triangle JKM has j=28cm, k=17cm, and m=13cm. a. find the measure of the smallest angle b. find the area of the triangle

*asked by Gary on November 25, 2011* -
## physics

truck covers 40.0 m in 7.50 s while uniformly slowing down to a final velocity of 2.65 m/s. (a) Find the truck's original speed. (b) Find its acceleration. m/s2

*asked by Anonymous on February 4, 2014* -
## Calculus

Find a general solution to each first – degree ODE. If an initial condition is given, find the corresponding particular solution. Write all solutions explicitly if possible. dr/dè = r^(2)/è

*asked by Sara on July 5, 2013* -
## Physics

If the angle of incidence is 30degree and refractive index is 2 find the angle of refraction.find whether the medium is denser or rarer

*asked by Anonymous on November 26, 2016* -
## physics

In a television picture tube, electrons are accelerated by an electric field having a value of 1*10^5 N/C. Find the force on an electron. so i know i use E=F/q to find the force but i need the q to get it how do i do that??

*asked by kailey on February 3, 2008* -
## Calculus

Find the normals to the curve xy + 2x - y = 0 that are parallel to the line 2x + y = 0. I can find the normal lines and the slope but I don't know what I'm suppose to do with the line 2x + y = 0

*asked by John on March 11, 2010* -
## calculus

Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane. f(x)=3+e^4−x

*asked by Miriam on September 27, 2013* -
## Math

Suppose A is directly proportional to the square of B,and A=45 when B=3. a)Find the constant of proportionality b)Write the formula for A in terms of B c)Use your formula to find A when B=6

*asked by Andrea on February 23, 2018* -
## Algebra

a formula that can be used to find the diagonal length of any paper square and a formula that can be used to find the total number of triangles needed

*asked by willy pierre on October 21, 2016*

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