
math
a circular track has a radius of 100ft. elena wants to run 2 miles. There are 5,280 ft in a mile. Can you find the circumference of a circle if you know the radius? explain your answer
asked by daisy on March 1, 2011 
math
could you plz explain how i can easily find the surface area of a triangular prism? i know the formula but i dont know what it means by area of base times height. thank you
asked by ShannonPanda on March 14, 2018 
MATH! PLEASE REPLY ASAP!
OPQRS is a regular squarepyramid whose base has sides of 7 cm. Given that the total surface area of the pyramid is 161 cm2, find its slant height.
asked by sheila on January 23, 2011 
math
the cast of painting a wall with dimensions 15m by 20m is 6250 find the altitude of a rhombus shaped window with side 7.5 m,,if the rate of painting 25 per m
asked by Anonymous on January 19, 2014 
math
the cast of painting a wall with dimensions 15m by 20m is 6250 find the altitude of a rhombus shaped window with side 7.5 m,,if the rate of painting 25 per m
asked by Anonymous on January 19, 2014 
PRECALCULUS
Find the accumulated value of a $5000 investment which is invested for 8 years at an interest rate of 12% compounded: (a) annually (b) semiannually (c) quarterly (d) monthly (e) continuou
asked by ROSE on November 18, 2016 
English
Ms. sue I am writing a paper on cost of food today. Where can I find graph or table showing the increase in price for food and gasoline. Please help. Rose
asked by rose Ms. sue on May 11, 2008 
Geometry
Find the surface area of the to the nearest tenth of a square unit. W:4cm H:12.4cm 1.206cm 2.623cm** 3.100.5cm 4.412cm Am i right? ASAP
asked by Billie on February 20, 2019 
***college algebra***
Let h(x) = x3/2(x  7)1/3 and g(x) = 200x3  47x2 + 9017x + 3. Utilize this information to find the value of (g o h)(7). I worked it out and came up with the answer 1421313.733.... i feel like this isnt right... please feel free to comment :)
asked by brianna on November 4, 2011 
Calc
Find the limit as x approaches zero from the right of ((sqrt((1+x)/(x^2))(1/x)) I don't even know where to start with this. Help? P.S. If you go to the wolfphram alpha website and put copy and paste ((sqrt((1+x)/(x^2))(1/x)) into the search bar you can
asked by Anna on May 25, 2012 
math
A student starts from A and walks 3km east to B, she then walk 5km on a bearing 152 degree from 13 . She reaches a point c . Find the distance and bearing of C from A.
asked by joy on May 25, 2017 
Physics
An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.
asked by Melanie on November 27, 2012 
Maths
A box with no top is to be built by taking a 6''  by  10'' sheet of cardboard and cutting x  in. squares out of each corner and folding up the sides. Find the value of x that maximizes the volume of the box.
asked by Lala on September 19, 2010 
Physics
The drawing shows six point charges arranged in a rectangle. The value of q is 3.15 μC, and the distance d is 0.321 m. Find the total electric potential at location P, which is at the center of the rectangle.
asked by Anonymous on February 26, 2015 
physics
Two carts with masses of 4.3 kg and 3.0 kg move toward each other on a frictionless track with speeds of 5.7 m/s and 4.4 m/s, respectively. The carts stick together after colliding headon. Find their ﬁnal speed. Answer in units of m/s
asked by jessy on January 30, 2012 
Math/Geometry
A correct answer will yield me an "A" all SEMESTER, so help is appreciated Question: Can you find a pythagorean triple whose nonhypotunese legs aren't divisible by 12? Whatever the answer, yes or no, it must be proven.
asked by Trevor on February 25, 2009 
Physics
A 3500kg truck moving at 45km/h collided head on with a 1600kg car moving at 25km/h. Find the velocity of the combined cars after the collision.
asked by Sumeet on November 18, 2016 
math
How do i find the lateral area and the surface area of a rectangular prism with the height of 8.5" the width 4" the depth 3.25" I don't want you to do it for me i want to know what formula or how i start to solve for those two things please
asked by mike on May 14, 2008 
math  business
My profit formula is P = .005x^2 + 4x  200. The question wants me to find the number of donuts sold (what they are talking about in the problem) that will generate the highest profit. How do I determine that? Thank you.
asked by Carly on November 19, 2016 
calculus
Find Indefinite Integral of dx/(x(x^4+1)). I think that Im complicating it too much. I moved the dx out making it 1/(x(x^4+1))dx than 1/(x^5+x)dx. I think i have to use formula indef integral of dx/(x^2+a^2) = 1/a(tan^1(x/a)) but im stuck i don't know
asked by anna on March 3, 2015 
Math
The price of a technology stock has risen to $9.68 today. Yesterday's price was $9.57. Find the percentage increase. Round your answer to the nearest tenth of a percent
asked by Rose on June 1, 2017 
Social Studies
I am doing a venn diagram on presidental candidates John Edwards and Mitt Romney but the problem is that i cant find and simlarities searching many websites and yet not have i found some simlarities.......PLEASE HELP ME!
asked by Michelle on October 12, 2007 
Chemistry
Is there a reaction between CuSO4 + KI? When I performed the reaction, a brown and yellow color was formed but when I wrote out the molecular equation, I did not find a precipitate or gas evolution.
asked by Caileen on February 22, 2009 
Chemistry
Is there a reaction between CuSO4 + KI? When I performed the reaction, a brown and yellow color was formed but when I wrote out the molecular equation, I did not find a precipitate or gas evolution.
asked by Caileen on February 22, 2009 
Debating
PLEASE HELP ME! What is a Space Program? Define. I Have a debating topic that needs me to define that. I have googled but I can't find anything. If you don't know then please show me a list of alternate search engines. Thanks Minerva
asked by Minerva Wisdom on February 27, 2009 
Chemistry
Is there a reaction between CuSO4 + KI? When I performed the reaction, a brown and yellow color was formed but when I wrote out the molecular equation, I did not find a precipitate or gas evolution.
asked by Caileen on February 22, 2009 
Algebra
Could you please check my answers? Find an nth degree polynomial function with real coefficients satisfying the given conditions. 1. n=3; 3 and i are zeros; f(2)=20 I got: f(x)=4^3+12x^24x+12 3.n=3;4 and i zeros;f(3)=60 I got:f(x)=6x^3+24x^2+6x+24
asked by Soly on October 12, 2007 
Geometry HELP
Find the volume of a regular hexagonal prism if the measure of one side of the base is 14 and the height is 10. a.)140âˆš2 cm^3 b.)2940âˆš3 cm^3 c.)140 cm^3 I was thinkin the answer is 140âˆš2 cm^3
asked by Ariel on June 10, 2010 
Calculus
Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=3sqrt(x), y=5, and 2y+3x=6 I tried this many times and i am getting it wrong. Please show me how you got to the answer.
asked by John on January 25, 2011 
Physics
How to find the centripetal acceleration of an object that is at a latitude of 52 degree to the equator given the radius of earth=6400km and angular vel of Earth about its axis=7.3 x 10^5 rad/s ?
asked by Lew on September 17, 2010 
Physics ( electricity)
An electrom (qe = 1.6^19 Coulomb) moves a distance of 0.170m in an 8.00 N/C electric field. Using appropriate formulas and a logical method, find the energy gained by the electrom. Whoa ... how do I do this???
asked by Art on May 27, 2012 
math
find the product or quotient . write the strategy you used . write model,break apart, multiplication table ,inverse operations pattern ,or doubles 56 divided by 7
asked by xavier on September 19, 2011 
math
You have a set of 36 flash cards numbered from 1 to 36. A card is chosen at random. Find the odds in favor of and the odds againts each selection. Prime number Would it be 1?
asked by Anonymous on November 3, 2010 
AP Chemistry
What is meant by minimum and maximum energy problems. Are there different equations to find them. What does this conceptually mean? * This is dealing with quantum chemistry such as plancks equation, and debroglie equation.
asked by qwerty123 on November 18, 2010 
physics 180
olympic skeleton sled racers can reach speeds of 40m/s. find the slope needed to reach that speed after a 30 sec, neglecting friction
asked by nabeelah on September 25, 2011 
ap java
an oldfashioned computer has just 16 bits available to represent an address of a memory location. how many total memory locations can be addressed in this machine? what formula would i use to find this answer?
asked by chrissy on September 12, 2010 
PHYSICS
A sealed cubical container 26.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 15.0°C. Find the force exerted by the gas on one of the walls of the container.
asked by john on November 5, 2010 
Math
What is 100^299^2+98^297^2+96^295^2 +...+ 4^23^2+2^21^2 ? (Find an expression where n is the largest number being squared, then use it to calculate the sum when n = 100. Hint: Examine specific cases where n is small. Then generalize).
asked by Erika on February 9, 2015 
alg2/trig
1)3x^212x21 solve by completing the square in simplest radical form 2) (1/x+3)(2/3x)=(4/x^29)find values of x 3)3/radical(3a^2b^4) is equivalent to 4) factor completely 27x^75x^4
asked by alice on January 22, 2012 
Written Analysis
I still need help with my assignment. Please show me examples of short paragraphs on discrimination(modern day) and outlining how I plan to find resources and evaluate my resources for credibility.
asked by Keri Ann on October 29, 2011 
physics
worker stands still on a roof sloped at an angle of 30° above the horizontal. He is prevented from slipping by a static frictional force of 560 N. Find the mass of the worker.
asked by chidera on September 23, 2014 
Geometry
I need help on a problem that's on formula for circumference. A circle has a circumference of 36 cm. find it's radius .but it says give an exact answer in simplest form and it says enter pi for the symbol of pie .
asked by Nancy on June 22, 2012 
algebra
tana rode a boat 1 km upstream in and hour. rowing at the same rate, she made the return trip downstream in 15 minutes. find the rate of the current
asked by lee on April 29, 2011 
Geometry
Find the area of a regular pentagon with a side of 6ft. Give the answer to the nearest tenth. 123.9ft2 49.5ft2 61.9ft2 12.4ft2
asked by Ash on January 23, 2012 
geometry problems (algebra)
the lengths of the triangle are consecutive odd integers, find the length of the shortest side if the perimeter is 19 units shorter than 4 times the lenghts of that side
asked by arvin on February 7, 2012 
math
a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree,and the hypotenuse is 200yard,find the amount of fencing neede.
asked by rhodora on February 20, 2014 
math12A TRIG pleas help
a farmer wishes to fence a field in the form of a right triangle.If one angle of the right triangle is 43.2 degree and the hypotenuse is 200yard,find the amount of fencing needed.
asked by Anonymous on February 20, 2014 
Algebra
120 meters of fencing is used to fence 3 sides of a dog park against an existing wall. if the width of the park is w, find the length of the field in terms of w
asked by John on May 6, 2012 
physics
The threshold wavelength for photoelectric emission in metal is 600 nm.Find the maximum kinetic energy of the electrons emitted when it is exposed to the wavelength 200 nm
asked by Anonymous on March 13, 2016 
physics
A UNIFORM RING OF MASS M AND RADIUS R IS ROLLING WITHOUT SLIPPING ON A HORIZONTAL SURFACE.FIND THE RADIUS OF CURVATURE OF TRAJECTORY TRACED OUT BY THE HIGHEST POINT?
asked by Anonymous on November 4, 2010 
physics
How much heat in KJ is needed to change 3.0 kg of ice at 10C into (superheated) steam at +150C ? Do I need to find specific heat? (3.0kg)(2100)(15010)= 882kj right?
asked by DMITRIC on April 22, 2011 
integral calculus
a rectangular plate 12ft long and 8 ft wide is submerged vertically with the longer edge in the surface of the water. Find the force on one side of the plate.
asked by al on May 7, 2012 
Pythagorean theorm
i have been workin on this problem for hours and desperatly need help. Im suppose to solve the following three problems in the pythagoream theorem form and also find the ratios. Can someone pleasse help me =] Pythagorean Theorem a² + b² = c² 1.) O =
asked by Ruby on July 24, 2008 
math
The radius of a cylinder is 3.5 ft. The height is 14 ft. Find the surface area and volume of the cylinder to the nearest tenth of a foot. Show your work. please help me i need to get this grade up by friday
asked by Hayden on March 20, 2019 
physics
a metal cylinder is heated and then cools. if the radius always equals the height, find the expression for the instantaneous rate of change of volum V with respect to the radius r.
asked by luis on March 29, 2010 
CALCULUS
6. f(x)= 12x^5 + 30x^4  160x^3 +4 For this function there are four important intervals:(inf, A] , [A,B] ,[B,C],[C, inf) where A ,B ,C are the critical numbers. Find A B AND C and at those points do they have a local min, max or neither??
asked by mkcolema on March 17, 2009 
physics
An object of mass 10kg is drawn from height of 10cm. Find (g=10m/s) its kinetic energy on reading the ground.. Velocity before as it reaches the ground.
asked by pratheeksha on March 10, 2016 
Algebra
the length of a rectangle is 1 inch greater than its width if its dimensions are doubled its area increases by 36 square inches give an equation to find its dimensions
asked by Jonathan on May 8, 2012 
calculus
At age 15, Nan is twice as tall as her 5yearold brother Dan, but on Dan's 21st birthday, they find that he is 6 inches taller. Explain why there must have been a time when they were exactly the same height
asked by Carly on June 23, 2011 
physics
"A projectile is fired horizontally at 14.9 m/s from the edge of a 7.05mhigh cliff and strikes the ground. Find the horizontal distance the projectile traveled." I have no work cause I have no idea how to do this...
asked by hailey on September 21, 2014 
human services
I need information on the various policies related to the delivery of human services in missouri. Can you tell me where I might find this information. Would this include things like: medical benefits, food stamps?
asked by patiance on June 24, 2011 
math
In order to fit 3 pictures across a page, the yearbook staff must reduce their portrait proofs using a scale factor of 8 to 5. Find the dimensions of the picture as they will appear in the yearbook.
asked by Irene on January 8, 2014 
Calculus
Find the volume of the solid formed by rotating the region bounded by the graph of y equals 1+ √x, the yaxis, and the line y = 3 about the line y = 5. a) 13.333 b) 17.657 c) 41.888 d) None of these
asked by Alice on January 27, 2019 
physics
A sealed cubical container 30.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 20.0°C. Find the force exerted by the gas on one of the walls of the container.
asked by Milo on November 8, 2010 
compound interest
you invest $750 in a account thatg rearns 4.5%, compounded annually. Find the balance of the account after 2 years.Round your answer to the nearest cent.
asked by Ja'tra on February 28, 2013 
Math
Chad's property tax is 646.07 and is due April 20. He does not pay until Aug 29. 9.8 % Simple interest on unpaid tax. Find the penalty. can you please explain how we do this. thank you.
asked by thommini on September 21, 2010 
Quick calc question
Find the distance, in feet, a particle travels in its first 2 seconds of travel, if it moves according to the velocity equation v(t)= 6t2 − 18t + 12 (in feet/sec). 4 5
asked by nan on March 3, 2016 
algebra
Find the real solutions of the equation. (Round your answers to three decimal places. Enter your answers as a commaseparated list.) 3.8x4 − 1.7x2 = 2.8
asked by Anonymous on February 2, 2019 
geometry
An Aframe house is 45 feet high and 32 feet wide. Find the measure of the angle that the roof makes with the floor. Round to the nearest degree.
asked by Roslyn on April 8, 2010 
Physics
An object is placed 11 cm in front of a convex mirror of focal length 4 cm. Using the lens equation, find where the image will form and state whether it is a real or virtual image.
asked by Chris on December 1, 2012 
geometry
in triangle lmn altitude lk is 12cm long through point j of lk is a line drawn parallel to ms, dividing the triangle into two region with equal areas find lj
asked by Joe on February 20, 2013 
Chem II
Find the mass of sodium formate that must be dissolved in 200.00cm^3 of a 1.0M solution of formic acid to prepare a buffer solution with pH=3.40? I have no clue how to work this out. Please help me.
asked by Bianca on November 19, 2012 
10 th physics
Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)
asked by ramesh reddy on March 9, 2009 
science
Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)
asked by ramesh reddy on March 9, 2009 
Geometry
How do you find the volume of a sphere with its radius 4 cenimeters and its hight 15 cenimeters. Check this site for the formula. http://www.1728.com/diamform.htm
asked by Kris on February 1, 2007 
statics
Using the 689599.7rule. Assume that a set of test scores is normally distributed with a mean of 80 and a standard deviation of 25. Use the 689599.7 rule to find the following quantities. percentage of scores greater than 105 is
asked by Nisa on January 24, 2016 
cal
Solve the problem. Find the volume of the solid generated by revolving the region bounded by the curve y=lnx, the xaxis, and the vertical line x=e^(2) about the xaxis.
asked by tony on December 23, 2013 
math
Find a single matrix that defines a rotation of the plane through an angle of π/6 about the origin, while at the same time moves points to five times their original distance from the origin.
asked by anonymous on March 7, 2016 
math208
The price of a technology stock was yesterday. Today, the price rose to . Find the percentage increase. Round your answer to the nearest tenth of a percent
asked by gina morris on November 7, 2010 
Math
Find a single matrix that defines a rotation of the plane through an angle of π/6 about the origin, while at the same time moves points to five times their original distance from the origin.
asked by Dan on March 6, 2016 
Business Law
A will transfers title to? a. cars b. houses c. valuable jewelry d. valuable property My answer would be A but I cannot find it in the Business Law book to confirm. Am I correct?
asked by just a student on June 18, 2012 
Physics but algebra problem
Having issue with algebra. 89N=ma 99N=m2a would you do something like plugging one into the other such as. a=89/m 99N=99/(2(89/m) prob is when i get a fraction in the denominator i get confused can someone help me. I'm trying to find the mass. Which i will
asked by Leah on September 23, 2009 
Chemistry
What method would you use to find the number of moles and mass in grams for each situation listed: a. 750 cm3 O2 at 27°C and 99.0 kPa b. 300 cm3 CO2 at 10.0°C and 103kPa
asked by Sherika on January 24, 2012 
physics
Please help me to solve this problem. A body is projected vertically upwards with a velocity 20m/s. find the maximum height reached by the body.(g=10m/sec2)
asked by ramesh reddy on March 9, 2009 
math
pls help me proffesors! I need solution to this question, please show me the steps involve. The mean of the scores of three students in a class is 9. If the modal score is 11, find the lowest score.
asked by Banko on November 29, 2016 
Science
A body travells along the circular path of radius 70m after travelling half a revolution in 20sec find avrage velocity and avrage speed
asked by Om varshney on June 12, 2017 
Resources and references
Your composing a report. You realize using the word "option" over and over again. Which of the following references will help you find a different word with the some meaning? A: A spell Checkers B: A thesaurus C: AP style book D: Encyclopedia
asked by Sofiya on June 26, 2013 
chemistry
Find the mass of AlCl3 that is produced when 10.0 grams of Al2O3 react with 25.0 g of HCl according to the following equation. Al2O3(s) + 6HCl(aq) → 2AlCl3(aq) + 3H2O(aq) 65.4 g help me ASAP.PLIS..
asked by ZEE on January 5, 2015 
trigonometry
A man standing 9m above the ground,observes the angle of elevation and depression of the top and bottom of Rizal monument in luneta as 6° 50' and 7° 30' respectively find the height of the monument
asked by john on September 14, 2017 
Literature
Does anyone know about the novel "Tales of the Good Woman, by a Doubtful Gentleman" by James Kirke Paulding. I can seem to find a summary anywhere, and a summary is all I need for my assignment. I have seen one but it doesn't really make sense to me.
asked by Lilly on September 4, 2007 
Math
the amount in an account which was opened 180 days ago is rm205.if the amount was offered a simple interest of 5 % per annum find the original principal?
asked by Lin on April 26, 2019 
Physics
Suppose a 101 kg crate is pulled by a horizontal force of 525 N along a flat surface. The coefficient of kinetic friction is 0.35. Find the acceleration of the crate.
asked by Katie on June 16, 2018 
calc
Let C be the curve which is the intersection of the halfcone S1 = {(x,y,z)z=sqrt(x^2 + y^2} and the paraboloid S2 = {(x,y,z)2z=3x^2y^2}. Find C. a)Make a 3D sketch to show S1, S2, and C b) Show that at each point on C the normals to these two
asked by mark on October 5, 2008 
to ms.sue
you know when i told you that i had trouble with percentage? well this is how i find the percentage. 1/5= 0.20. then if it's $20. i just multiply 0.20 with $20 but when my techer was giving us problems. i got it wrong three times in a row. she said that we
asked by Celest on April 17, 2012 
Algebra
For questions 2021, begin with the following equation: y = 8x^2 + 10x + 3 . 20) Find the axis of symmetry. > 5/8 21) Identify the vertex as a maximum or minimum. > minimum ___________________________________ Please tell me if these answers are correct or
asked by Michael on June 10, 2007 
Chemistry
Help please am kind of confused on this problem, am mostly confused on what state the products will be. Find net ionic equation? I BELIEVE ITS BALANCED NOW. 2Al(s)+ 2CuCl3(aq)> 2AlCl3(?)+ 2Cu(?)
asked by John on October 4, 2010 
calculus
Let C be the curve which is the intersection of the halfcone S1 = {(x,y,z)z=sqrt(x^2 + y^2} and the paraboloid S2 = {(x,y,z)2z=3x^2y^2}. Find C. a)Make a 3D sketch to show S1, S2, and C b) Show that at each point on C the normals to these two
asked by mark on October 5, 2008 
math
A street guide for Belfast has a scale of 1:15 000. A walkway through the city is 2.4 km long. Find the length of the walkway on the map. Give your answer in centimetres.
asked by JAndu Andu on May 22, 2010 
physics
a 1500 kg car moving with a speed of 15 m/s collides with a utility pole and is brought to rest in 0.3 s. Find the average force exerted on the car during the collision.
asked by Kriti on February 7, 2011 
Chemistry
Describe in detail how you would make one molar solution of sodium chloride. Do I add the atomic masses of Na and Cl and then find the mols? And the after that you would just add 1L of water, correct?
asked by ~Brittney~ on August 28, 2007
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