# find the derivative of y=(3x+1)^2 y= square root 13x^2-5x+8

97,722 questions, page 611-
## Physics

Mars has two moons, Phobos and Deimos. It is known that the larger moon, Phobos, has an orbital radius of 9.4 106 m and a mass of 1.1 1016 kg. Find its orbital period.

*asked by Sierra on June 25, 2012* -
## Geography

Please can you tell me whether the north italian plain or the south of italy would have a) hydro-electric power available b) few natural resources. I cannot find the answers to them. One answer goes on north and one on south. Please help.

*asked by Janey on February 24, 2010* -
## Chemisty

For an electron in a hydrogen atom, the z component of the angular momentum has a maximum value of Lz = 4.22 x 10-34 J·s. Find the smallest possible value (algebraically) for the total energy (in electron volts) that this atom could have

*asked by Beth on July 29, 2012* -
## physics

A 3.00kg block starts from rest at the top of a 30.0 degree incline and accerlates uniformly down the incline moving 2.00 m in 1.50 s. find the magnitude of the accerlation of the block

*asked by Anonymous on September 15, 2010* -
## horizontal tangent

f(x) = sqrt(x^2 + 0.0001) At x = 0, which of the statements is true. a)f is increasing b)f is discontinuous c)f has a horizontal tangent d)f' is undefined Answer is c but why? f(x,y) = sqrt(x^2 + y) g(x,y) = df/dx = 1/(2*sqrt[x^2 + y]) * 2x = x/sqrt[x^2 +

*asked by Jen on December 9, 2006* -
## Math

Please help quick 1) an iscosceles triangle includes two 72 degree angles. Which equation could be used to find the measure of the third angle? A x + 72 = 180 B x = 180 - 72 C 72 ÷ x = 180 D 180 - 2(72) = x Please answer quickly

*asked by Kitty on February 5, 2019* -
## prejudice

3 characteristics of orientalism http://www.jiskha.com/search/search.cgi?query=orientalism Read through a few of these and see if you find anything helpful. (Is this from an online course? Is that why we've seen this question before?) =)

*asked by jackie williams` on May 3, 2007* -
## algebra

The revenue function for a bicycle shop is given by R(x) = x Â· p(x) R x x p x dollars where x x is the number of units sold and p(x) = 100 âˆ’ 0.4x p x 100 0 4 x is the unit price. Find the maximum revenue.

*asked by Anonymous on November 21, 2016* -
## English

Under which guide words would you find the word enterprise? entangle and entry entwine and epidemic verb and adjective noun and adverb Would this be entwine and epidemic?

*asked by Caitlyn on December 7, 2018* -
## math

the cost of banana is Re.1 more than that of an orange. Mr asad purchased 12 bananas and 20 oranges . if he paid Rs.108 to the fruit saller, find the price of a banana and orange.

*asked by fazalamin on November 30, 2016* -
## trig

An airplane has air speed of 540 mph and a heading of 50*. The wind is blowing from the north at 27 mph. Find the plane's ground speed and course direction.

*asked by Marlo on April 10, 2014* -
## Physics

An object is placed 4 cm in front of a concave lens of focal length 3 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.

*asked by Steve on December 1, 2012* -
## PreCalc

Find the amount of time required to double a dollar investment at 7.72%, if the interest is compounded continuously. 4.49 years 8.98 years 17.96 years I'm not understanding this, I got 3.9 years when I tried to solve this.

*asked by Anonymous on August 28, 2010* -
## physics

6 electric lamps connected in parallel at 100 volt explain how they are connected to operate at 200 volts without spoiling them.find the total current intensity in the circuit if the resistance of each lamp 240 Ohm

*asked by amal on February 27, 2012* -
## adult ed geometry

Adult education due to the level -thanks - An arc ABC is one quarter of a circle with center B and radius 6. Rectangle EDFB is inscribed in ABC. If ED + DF = 8, find the perimeter ADCFE. Round your answer to the nearest hundredth.

*asked by antonne on December 1, 2010* -
## MATH

Find the amount accumulated in the sinking fund if $350 is deposited monthly for 14 years at 7% per year. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest dollar.)

*asked by SABRINA on March 11, 2009* -
## geometry

we are a team of students studying for a test - asking again - thanks - An arc ABC is one quarter of a circle with center B and radius 6. Rectangle EDFB is inscribed in ABC. If ED + DF = 8, find the perimeter ADCFE. Round your answer to the nearest

*asked by antonne on November 30, 2010* -
## physics

6 electric lamps connected in parallel at 100 volt explain how they are connected to operate at 200 volts without spoiling them.find the total current intensity in the circuit if the resistance of each lamp 240 Ohm

*asked by amal on February 27, 2012* -
## MATH

Find the amount accumulated in the sinking fund if $1600 is deposited quarterly for 20 years at 6% per year. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest dollar.)

*asked by david on March 11, 2009* -
## calculus

A uniform thin sheet of metal is cut in the shape of a semicircle of radius R and lies in the xy plane with its center at the origin and diameter lying along the x axis. Find the position of the Center of Mass using polar coordinates.

*asked by Jacob on April 19, 2010* -
## calculus

Use a graphing utility to graph the function and find the absolute extrema of the function on the given interval. (Round your answers to three decimal places. If an answer does not exist, enter DNE.) f(x) = x^4 − 2x^3 + x + 1, [−1,3] minima (x, y) =

*asked by Sagar on April 5, 2016* -
## physics

An evacuated spherical diving bell containing a camera is in the ocean at a depth of 107 m. It has a flat, transparent, circular port with a diameter of 10.5 cm. Find the magnitude of the total force on the port. For the density of seawater use 1025 kg/m3.

*asked by Emily on October 27, 2012* -
## Math

a flower was 1.6 meters high one week ago in 7 days it grew 11 centimeters find the current height of the flower 12.3 m, 1.71 m, 125 cm or 11.2 cm , i did times tables and got 17.6 and then i tried deviding but got a weird long number that wasn't on the

*asked by Naomi on April 11, 2014* -
## Anatomy and Physiology

During an emergency roon exam for an injured arm,the doctor palpates the arm's entire length,starting at the shoulder and ending at the fingers of the hand. What is this process called I was wondering if anyone knows a good website where I can find out

*asked by Kaleigh-Anne on March 21, 2008* -
## Math Ms Sue

Which expression would you use to find the area of a rectangle with a width of 4 inches and a length of 6 inches? 4+6 4x6 8x12 8+12 Ms Sue this is Karen you helped in College English so well I am trying to help my 3rd grade granddaughter with no math book

*asked by Adara on February 18, 2015* -
## Physics for life scince

6.At the end of the 7th second the brakes are applied and the car slows down at a constant rate till it comes to rest in 5s. What is the acceleration? 7.Draw the v vs.t graph 8.find the final displacement: a)by using the graph b)by algebraic calculations

*asked by Simeon on March 23, 2010* -
## calculus

Suppose that an arrow was fired vertically upward from a crossbow at ground level and that it struck the ground 20 seconds later. If air resistance may be neglected, find the initial velocity of the bolt and the maxim altitude that it reached.

*asked by maggie on August 2, 2016* -
## statistics

LSAT test scores are normally distributed with a mean of 490 and a standard deviation of 110. Find the probability that a randomly chosen test-taker will score between 320 and 600. (Round your answer to four decimal places.)

*asked by jack on April 16, 2013* -
## lit

We are learning how to put the beliefs and actions of the people during the Salem witch trials in todays terms and i used the war on terrorism...would that be the right idea?? maybe because we are trying to find the poeple that are differant than us &that

*asked by chelsea on October 28, 2007* -
## science

I need to find a thin layer of ice that has condensed? go north :-) or... Put 1/3 cup of hot water in the freezer with a piece of plastic over it. The warm moist air will rise and condense on the plastic lid and freeze there.

*asked by albia on March 14, 2007* -
## Math HELP

a flower was 1.6 meters high one week ago in 7 days it grew 11 centimeters find the current height of the flower 12.3 m, 1.71 m, 125 cm or 11.2 cm , i did times tables and got 17.6 and then i tried deviding but got a weird long number that wasn't on the

*asked by Naomi on April 11, 2014* -
## MATH

Find the amount accumulated in the sinking fund if $1600 is deposited quarterly for 20 years at 6% per year. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest dollar.)

*asked by david on March 11, 2009* -
## MATH

Find the amount accumulated in the sinking fund if $1600 is deposited quarterly for 20 years at 6% per year. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest dollar.)

*asked by david on March 11, 2009* -
## Project Management

You’ve now assembled a small group of likely candidates for the dam PM job. What are the first five interview questions you will ask her/him? What would you like to find out about the candidate with each of these questions? If you ever expect to be a

*asked by Christian on March 11, 2007* -
## stonehenge

i'm researching stonehenge for my 8th grade gifted class. where can i find a website that will show me how to build a replica of it? http://www.fromoldbooks.org/OldEngland/pages/0002-Stonehenge-Restored-plan/

*asked by amy on December 11, 2006* -
## Aed 200

I need help finding this info for a persuasive paper I have to write. Current issues being debated, student;s thesis, 3 sources, a place where I can find opposing viewpoint and effectively refutes by supporting his or her thesis, relevant examples,

*asked by Dawn on March 27, 2008* -
## Managerial Finance

Isabelle wants to save up an amount of $150,000 for her son's college education fees, coming up in 5 years. Find the amount that should be invested today if the bank pays an interest rate of 5% compounded annually

*asked by Kim on February 14, 2016* -
## Trig.

79): Find the area of the sector of the circle. Radius: 2.5 feet. Central Angle: 225 degrees. I multiplied (1/2)(25/4)(5pi/4), and I got 100pi/16, which reduced to 50pi/8 when I halved it. I reduced that to 25pi/4 or 19.63. But the book's answer is 12.27.

*asked by Daphne on January 23, 2010* -
## Math

In 1995 the united states recovered 21% of its municiple solid waste through recycling up from 17% in 1990. Let y represent the percentage recycled and let x equal the number of years since 1990. Find the linear function that fits this data.

*asked by Ann on March 10, 2012* -
## calculus

A tank consists of a right circular cylinder at height (h)surmounted by a hemisphere at a radius (r) with an outlet atthe top. The tank is full of water at density ρkg/m3. Find the work required to empty thetank.

*asked by Peter on March 10, 2012* -
## Statistics

An automatic machine in a manufacturing process is operating properly if the lengths of an important subcomponent are independently and normally distributed with a mean of 120 cm and a standard deviation of 4.7 cm. Find the probability that if 3 are

*asked by Meghan on September 21, 2011* -
## calculus

An airplane flies at an altitude of 5mies toward a point directly over an observer. The speed of the plain is 600 miles per hour. Find the rate at which the angle of elevation thetha is changing when the angle is 75 degrees. Please help with this question.

*asked by Claire on January 19, 2012* -
## Physics

An airplane is flying in a horizontal circle at a speed of 105 m/s. The 76.0 kg pilot does not want the centripetal acceleration to exceed 6.35 times free-fall acceleration. a) Find the minimum radius of the plane’s path. Answer in units of m.

*asked by BIlly on January 9, 2011* -
## Finance

Business Investment A firm of attorneys deposits $5000 of profit-sharing money at the end of each semiannual period for years. Find the final amount in the account if the deposits earn 10% compounded semiannually.

*asked by Anonymous on June 10, 2010* -
## Physics

A copper (shear modulus 4.2 x 1010 N/m2) cube, 0.324 m on a side, is subjected to two shearing forces, each of magnitude F = 6.93 x 10 5 N (see the drawing). Find the angle (in degrees), which is one measure of how the shape of the block has been altered

*asked by Kevin on November 14, 2015* -
## QM

I have borrowed a sum of $150000 for buying house at 12% simple interest per year at the beginning of a year.The loan has to be repaid by three payment of $10000,$30000 and $X at the end of February, July and November of the same yaer respectively. Find

*asked by chan on October 15, 2011* -
## physics

A 2 kg block, starting from the rest, slides 20 m down frictionless inclined plane, dropping a distance of 10m. The magnitude of the net force on the block while it is sliding is...? How do I solve this problem? And if it were to ask for the speed at the

*asked by Anonymous on May 11, 2008* -
## Math

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.

*asked by Ash on February 1, 2011* -
## Math

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.

*asked by Ash on February 2, 2011* -
## math

A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.

*asked by Ash on February 2, 2011* -
## Math Models

The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890. This is from my Math Models class. I am not taking Statistics. Please someone show me how to do

*asked by Denise on May 22, 2013* -
## Creative Writing

what is a asituation that is currently in the news that would make a good topic for a cause and effect essay? i need to find osme information that lists the possible causes of that situation. (the category can be a health issue, national or international

*asked by y912f on December 1, 2009* -
## Physics

A record turntable rotating at 33 1/3 rev/min slows down and stops in 36s after the motor is turned off. (a) Find its (constant) angular acceleration in revolutions per minute-squared. (b) How many revolutions does it make in this time?

*asked by Anonymous on February 2, 2017* -
## Physics

A model helicopter and its load have a combined mass of 3.5 kg. Find the upward average force, in Newtons, exerted by the air if the helicopter is originally moving downward at 10 m/s and is brought to rest with constant acceleration in a distance of 50 m.

*asked by wayne on March 1, 2015* -
## geography

hi guys , anyone having trouble finding info about broughton airbus. i know people have asked before but i can`t find the answers to my questions. the question i`m finding hard is what alterations have been made to the factory? thanks for helping me . ive

*asked by nicole on May 23, 2008* -
## Calc

Express the limit as a definite integral on the given interval. Use Riemright and evaluate the sum by hand. lim n-> infinity sigma with n on top and i=1 on the bottom [4 - 3(xi*)^2 + 6(xi*)^5]delta x, [0,2] Please help. I am really confused. To find delta

*asked by Chelsea on January 22, 2011* -
## math (check my answer?)

Find the equation of a sine function that has a vertical displacement 2 units down, a horizontal phase shift 60 degrees to the right, a period of 30 degrees, a reflection in the y-axis and an amplitude of 3. My attempt at an answer: Y = 3 sin (30x- 60) -2

*asked by stephy on January 22, 2011* -
## algebra

When an automobile accelerates, the power, P, needed to overcome air resistance varies directly with a power of the speed, v P=kv^n Use data to find the scalling exponent and the constant of variation v 10 20 30 40 p 355 2840 9585 22,720

*asked by Rebecca on November 4, 2012* -
## PHYSICS

A copper (shear modulus 4.2 x 1010 N/m2) cube, 0.248 m on a side, is subjected to two shearing forces, each of magnitude F = 3.84 x 10 6 N (see the drawing). Find the angle (in degrees), which is one measure of how the shape of the block has been altered

*asked by Anonymous on November 4, 2015* -
## geography

hi guys , anyone having trouble finding info about broughton airbus. i know people have asked before but i can`t find the answers to my questions. the question i`m finding hard is what alterations have been made to the factory? thanks for helping me . ive

*asked by nicole on May 23, 2008* -
## Math

A real estate agent earns a weekly salary of $200. This week, he sells one home for $120,00 and is paid a commission rate of 5%. Find his total earnings for this week. (7th grade math)

*asked by Navpreet on January 21, 2014* -
## us history

Sara, Sorry to bother you again, I read the websites you provided for me and I do thank you very much. I decided to do the interview on the coal mine workers, but where do I find the list of coal mines established in the 19th century that associates with

*asked by Lauri on March 31, 2010* -
## psychology

A friend of mine finished fourth in her age group in the world duathlon (run, ride, run). She has two bicycles that differ along several variables, but she isn’t sure which one will be best for the next season. How could she find out? Write the methods

*asked by jenna on March 4, 2013* -
## Math

*asked by Ash on February 2, 2011* -
## Physics

Find the energy necessary to put 5kg , initially at rest on Earth's surface, into geosynchronous orbit. Do I use the formula U=GMm/r G=6.67*10^-11 M=2.5*10^24 m=5 r=41000 Is this sort of right, any help would be greatly appreciated. Do i have to add the

*asked by Malcom on March 30, 2009* -
## human service

What are some other technological tools that have been developed to help the individual manage their professional business contacts and/or stay connected. I googled this question and found no answer. Can you please help me find the website that I need. I

*asked by Patiance on November 8, 2011* -
## English(To Kill A MockingBird)

In chapter 4 in what specific ways did Scout critize the school in which she is attending? Have you read Chapter Four? Maybe if you did you would know. Yeah but I can't fnd it! type in anti study+ to kill a mockingbird and you will find lots of cliffnotes

*asked by Margie on October 26, 2006* -
## physics

A stone is attached to the end of an elastic string and whirled round in a circle path of radius 80cm if the stone makes 9 complete revolution in 3 seconds .find its angular and linear velocities during this period

*asked by martins on October 22, 2017* -
## physics

A ball launched from ground level lands 3 s later on a level field 48 m away from the launch point. Find the magnitude of the initial velocity vector and the angle it is above the horizontal. (Ignore any effects due to air resistance.)

*asked by rob on September 28, 2011* -
## math

Find the amount accumulated in the sinking fund if $200 is deposited monthly for 14 years at 3% per year. (Assume end-of-period deposits and compounding at the same intervals as deposits. Round your answer to the nearest dollar.)

*asked by karen on March 9, 2009* -
## MATHEMATICS

*asked by david on March 9, 2009* -
## Science

Any help on this I have to go to bed!!!! Help!!!! I can't find these answers anywhere and I don't have a science text book. 1. A tough outer covering that lies right outside the cel membrane. 2. A twisted membrane with portions that break off to form

*asked by Eryns on December 8, 2009* -
## US History - need answer ASAP

For a report i'm doing i need the following two: The political, social, and economic issues of Calvin Coolidge's philosophy & programs during his time in office; and the causes and effects of his programs on the US. i don't necessarily need the answer (tho

*asked by Amy on July 7, 2016* -
## Physics

Three charges are arranged as shown in the figure below. Find the magnitude and direction of the electrostatic force on the charge q = 5.12 nC at the origin. (Let r12 = 0.320 m.) I did the math and for mag i got 1.41E-5 N.for the direction i seem to keep

*asked by Maria on February 1, 2018* -
## MATH problem help had typo

The Parkhursts used 160 yd of fencing to enclose a rectangular corral to divide it into two parts by a fence parallel to one of the shorter sides. Find the dimensions of the corral if its area is 1000 yd ^2 ( yd has a small 2 above the d) SO CONFUSED NEED

*asked by sam on December 5, 2007* -
## physics

A 9.10-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 5.00-kg block that is sliding on a flat table. Taking the coefficient of kinetic friction as 0.203, find the tension in the string.

*asked by Anonymous on October 2, 2011* -
## Physics

Four forces act on a hot-air balloon, shown from the side in the figure below. Find the magnitude and direction of the resultant force on the balloon if F1 = 5050 N, F2 = 1450 N, F3 = 950 N, and F4 = 4200 N. ______N at ______ ° clockwise from F2

*asked by Dakota on October 14, 2012* -
## Biology URGENT

What are Chroobacteria, Hormogoneae, and cleeobacteria? Spelling suggestions are welcome. Chromobacteria, Hormogonia are the spellings. I don't know about the others. Thank you. Do you know where i could find some info on them? wikpedia Thanks but no

*asked by Amanda on October 26, 2006* -
## Physics

Assume that 60.0 m/s wind (during a hurricane) is blowing past a 1.50 m by 1.50 m glass windo in a house. Find (a) the pressure difference "delta"P=P(in)-P(out) and (b) the force (Magnus force)tending to blow this window outward. Let the air density p=1.20

*asked by Lashawn on April 24, 2013* -
## physics

Two moles of neon gas at 25oC and 2.0 atm is expanded to 3 times the original volume while the pressure is reduced to 1.0 atm. Find the end temperature. A. 447degreesC B. 174 degreesC C. -66 degrees C D. 38degreesC E. 150degreesC

*asked by Idali on April 9, 2017* -
## Math- Please Help!!

*asked by Ash on February 2, 2011* -
## Physics

Four forces act on a hot-air balloon, shown from the side in the figure below. Find the magnitude and direction of the resultant force on the balloon if F1 = 5050 N, F2 = 1450 N, F3 = 950 N, and F4 = 4200 N. _______ N at ________ ° clockwise from F2

*asked by Dakota on October 16, 2012* -
## English

In which sentence do you find subject-verb agreement? A. If you look carefully, you’ll see tomatoes is on the aisle. B. Neither the clarinets nor the trumpets plays the melody correctly. C. Farley or Farley’s brother is helping me with the project. D.

*asked by Sandia on December 15, 2012* -
## Algebra

The data below represents the average score per game of the top 40 NBA players, rounded to the nearest whole number. Find the minimum, Q1, median, Q3, maximum for the data. Stem l leaf 1 l 55667777888888899 2 l 00000011123445566679 3 l 135

*asked by Allie on May 2, 2013* -
## trig

an electric hoist is used to life a piece of equipment y = 2.6 feet. the diameter on the hoist is x = 12 inches. find the number of degrees through which the drum must rotate (round to the nearest integer). *I do apologize, there is a figure in my

*asked by xiahou on October 21, 2015* -
## Algebra

Using the compound intrest formula's A=P(1+r/n)^nt and A=Pe^rt to solve the problem given. Round the answer to the nearest cent. I have to find the accumulated value of and investment of $20,000 for 6 years at an intrest rate of 4.5% compounded

*asked by Jen on December 12, 2010* -
## statistics

LSAT test scores are normally distributed with a mean of 510 and a standard deviation of 110. Find the probability that a randomly chosen test-taker will score between 300 and 580. (Round your answer to four decimal places.)

*asked by Anonymous on November 21, 2012* -
## Physics

A turntable rotating at 33 1/3 rpm is shut off. It brakes with constant angular deceleration and stops in 26 seconds. Find the average angular acceleration. I took 33 1/3 divided by 26 and then tried to convert to rad/s^2 but I keep getting the wrong

*asked by Zoey on February 13, 2017* -
## Learning

I need help for finding a app or website that helps me learn new stuff everyday, her is some info, I am in 6th grade going into 7th the app can't take up alot of space and a little challenging. I have looked at a lot of apps and couldn't find anything plz

*asked by Lily park on May 30, 2018* -
## Physics

A 0.20 m uniform bar has a mass of 0.75 kg and is released from rest in the vertical position, as the drawing shows. The spring is initially unstrained and has a spring constant of . Find the tangential speed with which end A strikes the horizontal

*asked by Samantha Kaur on June 9, 2011* -
## Physics

A 0.20 m uniform bar has a mass of 0.75 kg and is released from rest in the vertical position, as the drawing shows. The spring is initially unstrained and has a spring constant of 25.0 N/m. Find the tangential speed with which end A strikes the horizontal

*asked by Samantha Kaur on June 9, 2011* -
## physics

locks A, B, C are placed in the adjacent figure and connected by ropes of neglible mass. Both A and B weigh w = 25.0 N each and the coefficient of kinetic friction between each block and the surface is 0.35. A) If Block C descends with constant velocity

*asked by Anonymous on March 19, 2012* -
## Physics

A 0.20 m uniform bar has a mass of 0.75 kg and is released from rest in the vertical position, as the drawing shows. The spring is initially unstrained and has a spring constant of 25.0 N/m. Find the tangential speed with which end A strikes the horizontal

*asked by Samantha Kaur on June 9, 2011* -
## Calculus

An airplane has airspeed of 724 k/h at bearing of North 30 degrees East. If the wind velocity is 32 from west. find the ground speed and direction of plane. Teacher gives solution of 740.5 k/hr and 57.9 degrees. Can anyone show steps?

*asked by Trey on June 1, 2015* -
## English

Here's the homework assignment, which I don't understand how I'm suppose to do this. Check out the current National Health bill online and compose an outline. I can only find a republic of south Africa health hill and that one is 50 pages long.

*asked by John on September 8, 2009* -
## Business/ Computers

Hello I'm doing a powerpoint on the history of computers for business but I just have to look for people. Do you mind giving me a website that would be perfect to find all these people? 1. Blaise Pascal 2. Wilhelm Schickard 3. Christopher Sholes 4. George

*asked by anon on February 3, 2014* -
## math

A rectangular lot is bordered on one side by a stream and on the other three sides by 360m of fencing. Find the dimensions of the lot in order to maximize area. (Also, does it make sense if the answer I got is 180m width, 90m length?)

*asked by cs on March 27, 2012* -
## Mechanics

Two objects with masses 5.60 and 2.40 hang 0.600m above the floor from the ends of a cord 8.00m long passing over a frictionless pulley. Both objects start from rest.Find the maximum height reached by the 2.40kg object

*asked by Sarah on April 1, 2013* -
## Physics

A 0.20 m uniform bar has a mass of 0.75 kg and is released from rest in the vertical position, as the drawing shows. The spring is initially unstrained and has a spring constant of . Find the tangential speed with which end A strikes the horizontal

*asked by Samantha Kaur on June 9, 2011* -
## Physics

A 8.90-kg hanging object is connected by a light, inextensible cord over a light, frictionless pulley to a 5.00-kg block that is sliding on a flat table. Taking the coefficient of kinetic friction as 0.150, find the tension in the string.

*asked by Anonymous on September 20, 2013*

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