
Physics
A beam with a length of 7 m and a mass of 110 kg is attached by a large bolt to a support at a distance of d = 3 m from one end. The beam makes an angle θ = 30° with the horizontal, as shown in the figure. A mass M = 492 kg is attached with a rope to one
asked by Bar on February 29, 2012 
physics
Two carts are in contact on a horizontal frictionless surface. Cart 'A' has a mass of 3 kg, and cart 'B' a mass of 2 kg. (a) Find the force F on 'A' needed to give the two carts an acceleration of 0.8 m/sec2 . What is then the force exerted on 'B' by 'A'?
asked by Anonymous on December 30, 2014 
Physics Classical Mechanics
A person of mass m2= 85.0 kg is standing on a rung, one third of the way up a ladder of length d= 3.0 m. The mass of the ladder is m1= 15.0 kg, uniformly distributed. The ladder is initially inclined at an angle θ= 35.0∘ with respect to the horizontal.
asked by A on November 26, 2013 
chemistry 11
Food manufacturers sometimes add calcium acetate to puddings and sweet sauces as a thickening agent. What volume of 0.500 mol/L calcium acetate, Ca(CH3COO)2 (aq), contains 0.300 mol of acetate ions? So I've been over this a hundred times and I still can't
asked by julie on December 17, 2014 
calculus 2 or physics
An underground tank full of water has the following shape 1) hemisphere of radius 5 m at the bottom 2) a cylinder of radius 5 m and height 10 m in the middle 3) a circular cone with base radius 5 and height 4 m at the top The top of the tan is 2 m below
asked by John on November 17, 2010 
Calculus 2 / Physics
An underground tank full of water has the following shape 1) hemisphere of radius 5 m at the bottom 2) a cylinder of radius 5 m and height 10 m in the middle 3) a circular cone with base radius 5 and height 4 m at the top The top of the tan is 2 m below
asked by John on November 17, 2010 
math
A standard number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a number greater than 4. A number cube is rolled 360 times and the results are recorded as follows: 41 ones, 54 twos, 62 threes, 75 fours, 33 fives, and 95
asked by A name on May 31, 2017 
Precalculus
From a point on ground level, you measure the angle of elevation to the top of a moutain to be 38 degrees. Then you walk 200 m fartheraway from the mountain and find that the angle of elevation is now 20 degrees. Find the height of the mountain. Round the
asked by Anonymous on November 19, 2006 
Unit 4  Investing
Compare a regular cash dividend with a periodic share repurchase. Which has greater appeal to you? Explain. Explain a stock dividend and further explain if you would perfer it to a cash dividend. What are stock splits and how desirable are they? Please
asked by candy on August 3, 2006 
Algebra
Concrete forming tubes are used as molds for cylindrical concrete supports. The volume V of a tube is the product of its length l and the area A of its circular base. You can make 2/3 ft^3 of cement per bag. Write a rule to find the number of bags of
asked by Anonymous on November 17, 2013 
math
can someone show me how to solve this problem. It determines that in order to sell x smartphones, the price per product must be p=2800.4x. It also determine that the total cost of producing x smartphones is given by C(x)=5000+0.6x. a. Find the total
asked by ifi on December 10, 2012 
Math
Concrete forming tubes are used as molds for cylindrical concrete supports. The volume V of a tube is the product of its length l and the area A of its circular base. You can make 2/3 ft^3 of cement per bag. Write a rule to find the number of bags of
asked by Anonymous on November 17, 2013 
Physics
A uniform steel beam of length 5.50 m has a weight of 4.50 103 N. One end of the beam is bolted to a vertical wall. The beam is held in a horizontal position by a cable attached between the other end of the beam and a point on the wall. The cable makes an
asked by Student on October 9, 2007 
 Chemistry 
What is the most common chemical method for removing H_30^+ ions in aqueous solution? Write a net ionic equation which describes this method. Add a base. What happens to the H concentration when the OH concentration goes up? We havn't started Acids/Bases
asked by J.M on December 3, 2006 
physics
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a positive magnitude of 6.7N; a second force has a magnitude of 4.6 N and points in the negative y direction. (1)"Find
asked by john on October 24, 2008 
Geometry
1. Find the diameter of a circle with a circumference of 50 mm. Round your answer to the nearest tenth. a) 16.0 mm b) 26.4 mm c) 8.4 mm d) 33.5 mm 2. Find the area of the circle with the given radius or diameter. Round your answer to the nearest tenth.
asked by Sandy on February 26, 2013 
physics
An object acted on by three forces moves with constant velocity. One force acting on the object is in the positive x direction and has a positive magnitude of 6.7N; a second force has a magnitude of 4.6 N and points in the negative y direction. (1)"Find
asked by john on October 24, 2008 
Physics
I'm supposed to to calculate an experimental value for the acceleration of gravity from the slope of an acceleration vs. delta mass graph... also i'm supposed to find the percent error (to the normal acceleration of gravity of 9.8).. the slope is .442 i'm
asked by Amber on October 30, 2014 
Math
3.)Find the diameter of a circle with a circumference of 50 mm. Round your answer to the nearest tenth. A.)16.0 mm B.)26.4 mm C.)8.4 mm d.) 33.5 mm 4.)Find the area of the circle with the given radius or diameter. Round your answer to the nearest tenth.
asked by YRN DJ on December 1, 2015 
AP Chemistry
My objective is to find the molar mass of a gas. Is this the correct balanced equation for magnesium ribbon reacting with hydrochloric acid to form hydrogen gas? 2Mg (s) + 2HCL (l) > H2 (g) + 2MgCl (aq) Also, I'm required to find the mass of the
asked by Jake on September 23, 2007 
Trig
solve to four decimal places 1.3224sinx + 0.4732=0 :for all real x values solve for sinx, then arcsinx. solve for sinx, then arcsinx. so its sinx= .4732/1.3224 and i get .36594 but how do you get the other values for a real x Ok, use your calculator.
asked by Kate on April 16, 2007 
Calculus applications
The bending moment (M) along a beam is M = WLx/2 Wx2/2 kNm where x is the distance of a beam length L from the left hand end. W is the weight per unit length. (a) Shear force is calculated as the differential of bending moment. Find an expression for
asked by Scott on December 5, 2016 
College Algebra
A phone company has a monthly data plan where a customer pays flat monthly fee of $30 and then a certain amount of money per gigabyte (GB) of data used on the phone. If a customer uses 3 GB, the monthly cost will be $42. If the customer uses 8 GB, the
asked by Keonn'a on September 10, 2017 
Physics
A spaceship approaches Starbase Beta with an initial velocity moving in the +x direction. The ensign sets the ship’s computer to initiate a braking program starting at time t = 0. After this time the computer controls the ship’s xvelocity according to
asked by Sonya on September 19, 2009 
algebra
1)Use synthetic subsitution to find f(3)for f(x)=x^44x^3+2x^24x+6 answer= 15 2)One factor of x^3+2x^211x12 is x+4. find the remaining factors answer= x1;x3 3)Which describes the number and type of roots of the equation x^3+121x=0 answer= 1 real
asked by Marissa on August 17, 2007 
physics please hep
Suppose that the graph of force vs. time for a very unusual spring has only straight lines. The cart hits the spring at t = 3.00 s, so force F = 0 up to that point. Then, after t = 3.00 s, the force increases linearly until it reaches a maximum at Fmax =
asked by taylor on November 1, 2010 
Re: Physics/Math
A single force acts on a 5.0 kg particlelike object in such a way that the position of the object as a function of time is given by x = 3.0t  4.0t 2 + 1.0t 3, with x in meters and t in seconds. Find the work done on the object by the force from t = 0 to
asked by Technoboi11 on March 2, 2007 
Calculus
Consider the function f(x)=(4^x−1)/x. (a) Fill in the following table of values for f(x): x= 0.1 0.01 0.001 0.0001 0.0001 0.001 0.01 0.1 f(x)= I the the falues of f(x) for each interval... (b) Based on your table of values, what would you expect the
asked by Abi on February 9, 2011 
12th grade physic
Q. A satelite is in a circular orbit around the earth with a period of 6.0 hours. A retrorocket thruster is fired which slows the satelite down to half its speed and places it in a new orbit. G = 6.67 x 10 power of 11 N.m2/kg2 mass of earth = 5.98 x10
asked by orange on October 14, 2008 
Calculus
Consider the function f(x)=(4^x−1)/x. (a) Fill in the following table of values for f(x): x= 0.1 0.01 0.001 0.0001 0.0001 0.001 0.01 0.1 f(x)= I the the falues of f(x) for each interval... (b) Based on your table of values, what would you expect the
asked by Abi on February 9, 2011 
Physics
A ball of mass m moving with velocity Vi strikes a vertical wall. The angle between the ball's initial velocity vector and the wall is θi. The duration of the collision between the ball and the wall is Δt, and this collision is completely elastic.
asked by Jenkins on November 5, 2017 
Algebra
1.In this problem, we will analyze the profit found for sales of decorative tiles. A demand equation (sometimes called a demand curve) shows how much money people would pay for a product depending on how much of that product is available on the open
asked by Noah on January 20, 2008 
Physics
On the lower left corner of a square is a fixed charge qLL = 1.5x10^9 C and on the loser right corner is a fixed charge qLR = 4.0x10^9 C. The square has a side length L = 0.25 meters. a) Find the electric potential energy of a third charge q = 6x10^9 C
asked by Diane on January 26, 2010 
math
Explain how you could use the Pythagorean Theorem to find the distance between the points the coordinate pair negative four comma negative three and the coordinate pair one comma one. Find the distance. You can type carat two to indicate "squared" and
asked by drea on August 20, 2011 
science [planets/stars]
Hey.. Well, first things first.. I'm given an assignment from my Earth Science class. Right now we're doing a unit about planets and Earth and sun. My teacher told us to write a [maximum] 2 page essay, which is also supposed to be descriptive. In the
asked by xxxx on May 19, 2009 
Statistics
A list of transactions contains 100 numbers: 60 gains and 40 losses. The gains are positive numbers and the the losses are negative numbers. The units are thousands of dollars. For the 60 gains, the average is 18 and the SD is 7.5. For the losses the
asked by Sarah on September 3, 2015 
spanish
lee las siguientes selecciones y completalas con la forma correcta del verbo entre parentesis. Ten mucho cuidado porque vas a necesitar various tiempos del indicativo y various tiempos del subjuntive, The numbers are where you have to conjugate the verb in
asked by samantha on May 10, 2007 
English
I urgently need to write a short email to a scholar specialized in Comenius projects. After presenting myself and the school I'd like to include this: 1) As you are a scholar with an indepth knowledge of Clil within a Comenius project, I would like to
asked by Henry2 on January 22, 2012 
physics  charge
A 80.0 g block carrying a charge Q = 33.0 µC is connected to a spring for which k = 74.0 N/m. The block lies on a frictionless, horizontal surface and is immersed in a uniform electric field of magnitude E = 4.84 104 N/C directed away from the spring and
asked by lo on July 10, 2010 
physics
2) A proton is moving parallel to a uniform electric field. The electric field accelerates the proton and increases its linear momentum to 8.6 x 10^23 kg·m/s from 2.4 x 10^23 kg·m/s in a time of 5.7 x 10^6 s. What is the magnitude of the electric
asked by Kevin on September 14, 2006 
Please Help Me Math
Find the sum and express in simplest form. Show all work: x^2 2x15  * x^29 x^29 *I don't get this at alll.Plz help me. I assume you are trying to add, since the problem says "find the sum" and express in simplest form. x^2/(x^29) +
asked by Margie on February 24, 2007 
Statistics/Probability
In the production of a particular model of cell phones, it is found that 5% are defective. Cellular phones are selected at random and put into boxes of 10. If a box is selected at random, find the probability that it contains. (i) Exactly three defective
asked by Koylar on July 17, 2014 
Physics
On an openreel tape deck, the tape is being pulled past the playback head at a constant linear speed of 0.372 m/s. (a) If the radius of the film taken up so far (as shown in the upper part of the drawing) is 0.0576 m, find the angular speed of the takeup
asked by Jordan on October 25, 2010 
Researching project
I'VE BEEN DESPERATELY LOOKING THROUGH SITE AND SITES FOR HOUR BUT I CANT FIND ANY article that suit my teacher's taste and he told me to re do it again... anyone please help this is what he wrote "I am looking for published articles related to the
asked by iMutra on December 17, 2006 
stats
i need help with this Question The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Mean __________
asked by JOJO on September 17, 2014 
STATS
i need help with this Question The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Mean __________
asked by JOJO on September 17, 2014 
English
Select the term that correctly identifies each sentence or underlined part of a sentence. 1. James Joyce was a great master of stream of consciousness. (1 point) *simple sentence compound sentence complex sentence compoundcomplex sentence 2. Joyce,
asked by Anonymous on December 14, 2015 
physics
A mass of 20 kg on a plane inclined at 40 degrees. A string attached to that mass goes up the plane, passed over a pullley and is attached to mass of 30 kg that hangs verticalyy. a) find the acceleration and it's dirction b) the tension in the string.
asked by Benji on November 20, 2006 
Physics
A particle has a charge of +1.5 µC and moves from point A to point B, a distance of 0.18 m. The particle experiences a constant electric force, and its motion is along the line of action of the force. The difference between the particle's electric
asked by ali on January 12, 2011 
Algebra
1. Determine whether the relation is a function. {(2, 7), (3, 5), (6, 4), (9, 6), (10, 1)} 2. Determine whether the relation is a function. {(5, 4), (2, 9), (1, 2), (1, 7)} 3. Determine whether the relation is a function. {(7, 1), (7, 2),
asked by Josh on August 22, 2012 
Math
Hi, I need urgent help with these 3 integrals problems ... been stuck on the questions and the deadline is Friday. Thanks a lot ! 1) For the green's theorem, Q: Using Green's theorem, evaluate the line integral F(r).dr counterclockwise around the boundary
asked by Blur on April 5, 2007 
Trig/Precalc
So I have two questions that have been puzzling me for quite some time and would really appreciate any help with either of them! (a) There are four positive intergers a, b, c, and d such that 4cos(x)cos(2x)cos(4x)=cos(ax)+cos(bx)+cos(cx)+cos(dx) for all
asked by majorbill on January 4, 2015 
Microeconomics: Cost of Production
Please help me with this question! QUESTION: Heaven Sub, a subway shop, has the following marginal product curve points for its hourly product: (0.5, 13) (1.5, 17) (2.5, 15) (3.5, 11) (4.5, 9) i) When labour increases from 2 to 3 workers, total product
asked by Anonymous on October 20, 2008 
Math
A scale drawing of the floor of a theater has a scale factor of 18. Mark says that he can use this information and any length on the scale drawing to find the corresponding length in the actual theater. He says that he can also use this information and any
asked by Jason on April 9, 2016 
statistics
For any married couple who are members of a squash club, the probability that the husband has a degree is 2/4 and the probability that the wife has a degree is 1/4. The probability that the husband has a degree given that his wife has a degree is 3/9. A
asked by Nabiha on December 3, 2011 
Physics
In this section assume the sound speed in air is 343 m/s. A goose flying toward you at 12.6m/s emits a squawk, which you hear at 258Hz . A)Find the wavelength of the sound you hear B)Find the wavelength of the sound you hear if the goose emits the same
asked by sandra on December 2, 2013 
Math
Zain goes swimming. He swims the first length of the pool in 2.5 minutes. The time he takes to swim each length is 10 seconds more than he took to swim the previous length. A. Find the time Zain takes to swim the fifth length. B. Find the time taken for
asked by Sam on March 19, 2015 
Math
Webster Aquatic Center offers various levels of swimming lessons yearround. The March 2005 Monday and Wednesday evening lessons included instructions from Water Babies through Adults. The number in each classification is given in the table that follows.
asked by Bob on July 4, 2012 
Physics PLEASE HELP
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is
asked by Sarah on December 4, 2012 
Physics Someone Please Help!!!
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is
asked by Tia on December 3, 2012 
Physics Elena please help!
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is
asked by Sarah on December 4, 2012 
Physics PLEASE HELP
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is
asked by Sarah on December 4, 2012 
Physics URGENT!!!
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is
asked by Tia on December 3, 2012 
calc: avg value
Find the average value of the function "f(x) = x^2 sqrt(1+x^3)" on the interval [0,2]. and this is what i did.. please check for mistakes. thanks :D f(x) = x^2 sqrt(1+x^3), [0,2] f ave = (1/(ba))*inegral of a to b for: f(x) dx f ave = (1/(20))*integral
asked by COFFEE on July 2, 2007 
Physics PLEASE HELP
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is
asked by Sarah on December 4, 2012 
Algebra 2
The formula A = 180(n2)/n relates to the measure A of an interior angle of a regular polygon to the number of sides n. If an interior angle measures 120 degrees, find the number of sides A)5 B)6 C)8 D)10 I have NO clue on how to do this pls help. Make A
asked by erin on July 15, 2007 
Physics Please Help me!
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is
asked by Sarah on December 4, 2012 
Physics HELP!
The overall length of a piccolo is 30.6 cm. The resonating air column vibrates as in a pipe that is open at both ends. Assume the speed of sound is 343 m/s. (a) Find the frequency of the lowest note a piccolo can play, assuming the speed of sound in air is
asked by Tia on December 2, 2012 
statistics
researchers believe a new sleep on average 10 hours per night ( µ = 10), with a population standard deviation of 2.3 hours(s=2.3) it is assume that the number of hours of sleep per night is normal distributed , however you think this drug causes people to
asked by jessica on June 13, 2011 
math
I have a few question so I will number them off. Please answer them for me I have a test tommorow and I am sure this can help other people too. 1.How do you make an equation that passes through a yintercept and a certain point in slopeintercept form.
asked by John on February 3, 2010 
Physics ~ missed this lecture pls help
A thin converging lens of focal length 9.82 cm forms an image of an object placed 18.5 cm from the lens. Find the image distance. Answer in units of cm. What is the magnification for an object distance of 18.5 cm? Find the location of the image for an
asked by cr on April 28, 2011 
Math
If you are standing near the edge of the top of a 200 feet building and throw a ball vertically upward it will be modeled by the function s(t)=16t^2+64t+200 where s(t) is the ball's height above ground in feet and t is seconds after the ball was thrown.
asked by Anonymous on December 7, 2015 
chemistry
1. in which group is bromine found(on the periodic table)? 2. what is the name of its chemical family? 3. in which group is magnesium found? 4. what is the name of its chemical family? 5. in which group is potassium found? 6. what is the name of its
asked by michelle on February 25, 2007 
maths
The length and breadth of a rectangle are (3x  4y) and (2x  3y) units resp. Find its area (i) If the length is increased by 3y units and the breadth is increased by 2y units, what would the area of the new rectangle be? (ii) Find the difference between
asked by unknown on September 14, 2011 
Math
1. Find all values of p such that 2(x+4)(x2p) has a minimum value of 18. I know that y is the minimum value,I know x is 4. But, I am not sure how to find p. 2.The temperature of a point (x,y) in the plane is given by the expression x^2+ y^2  4x +
asked by Trish Goal on October 17, 2014 
physics
A car is initially traveling due north at 24.0 m/s. A.) find the velocity of the car after 4.00 seconds if it's acceleration is 1.60 m/s2 due north. B.) find the velocity of the car after 4.00 seconds if it's acceleration is instead 1.95 m/s2 due south.
asked by Anonymous on September 3, 2012 
Data Management
Emilio has played ten rounds of golf this season. His mean score is 80 and standard deviation is 4. Assume Emilio's golf scores are normally distributed. a) Find the 95% confidence interval of Emilio's mean golf score b)Find the 95% confidence interval of
asked by Caroline on May 14, 2014 
Elem. Ed. Another Question
I need help with these questions to make sure I am right. If the art center is orderly and organized, children: 1.should be free to mess up the materials and use them with abandon. 2.are inhibited because the materials are too organized. 3. can find what
asked by Keisha on April 10, 2007 
Algebra
The Robertson's find that have used 1/2 gallon of paint to cover 480 square feet of wall. They used 3/4 gallon of paint to cover 720 square feet of wall. Write an equation to find the number of gallons of paint they will need (G), in order to cover S
asked by Emily on March 5, 2014 
statistic
After packing k boxes (numbered 1,2, ..., k) of m items each, workers discovered that one defective item had slipped in among the km items packed. In an attempt to nd the defective item, they randomly select n items from each box and examine these. (a).
asked by Goku on November 25, 2014 
Statistics Help!
Please help! In a combined study of northern pike, cutthroat trout, rainbow trout, and lake trout, it was found that 22 out of 845 fish died when caught and released using barbless hooks on flies or lures. All hooks were removed from the fish. Let p
asked by Sara on November 12, 2014 
algebra
if y varies directly as x, and y is 60 when x is 5, find y when x is 3 The mass of an object varies directly as its volume. The mass of the object is 150 grams when its volume is 600 cm3. Find the mass of the object when the volume is 950 cm3
asked by Brenda on December 5, 2006 
Math,Ratio
the length of a rectangle is 6times as long as its breadth. a.) what fraction of the perimeter of the rectangle is the length of the rectangle? b.) find the ratio of the length of the rectangle to its breadth and to its perimeter. c.) if the perimeter of
asked by Da S on December 26, 2011 
Vectors
Find the intersection of those two lines r=(2,9)+s(1,1) and r= (3,2) + t(1,2) and then find the area of the triangle whose vertices are the intersection point, s = 0 on L1 and t = 3 on L2. I already found the point of intersection. I just need to know how
asked by Jacob on June 18, 2018 
Precalculus Trig (Geometry)
A rectangular doorway is 38 meters wide and 60 meters high. The doorway is capped with a semiellipse that is 13 meters high at its center. Find the height h of the doorway and window 5 meters from the center. From the ellipse equation, I can see that a
asked by Michele on April 19, 2015 
need help
I have an assignment that is due sunday here it is Find a current or past court trial (via Internet or television) where an investigator or officer is called to testify. Evaluate the officer’s role and if he/she follows the guidelines on pp. 12934 of
asked by RAY on January 23, 2008 
Statistics
A quiz consists of 10 questions. Each question is marked either “right” or “wrong.” For each student in the class, the instructor keeps a record of the number of right answers the student got. In the class, the average number of right answers is
asked by Daniel on March 7, 2013 
chemistry
How would you find the empirical formula for this... a substance was found by analysis to contain 20% by mass calcium and 80% by mass bromine. Would it be CaBr2? This is what I did... 20g Ca * 20 mol Ca/801.56g Ca = .499 mol Ca 80g Br * 80 mol Br/6392.32g
asked by Jamie Marie on October 29, 2009 
Medicine
KY is a 12yearold boy who has been diagnosed recently with acute lymphoblastic leukaemia (ALL). He has been admitted to hospital for treatment. KY’s initial therapy will comprise the corticosteroid dexamethasone, as well as the cytotoxic agent’s
asked by Pinu on May 5, 2018 
stats
Opisthotrochopodus n sp. is a polychaete worm that inhabits deep sea hydrothermal vents along the MidAtlantic Ridge. According to an article by Van Dover et al. in Marine Ecology Progress Series (1999, vol 181 pp 201214), the lengths of female polychaete
asked by Anonymous on March 14, 2013 
math
please check these 1.kristi jogged for 3/5 of an hour, swam 1/2 of an hour, rode her bike for 1/4 hr. how long did she exercise/=1 17/20 2.victor owned 5/6 of a family buisness, he sold 2/7 of the buisness,what portion doe she still own?=23/42 3.subtract
asked by p on September 18, 2009 
Geometry
Janine wants to paint just the sides of a cylindrical pottery vase that has a height of 45 cm and a diameter of16. Janine wants to paint just the sides of a cylindrical pottery vase that has a height of 45 cm and a diameter of 14 cm. To the nearest whole
asked by Alexa on October 2, 2015 
Calculus
Consider the function g(x) = sinxcosx. a. Find an equation of the tangent line to the graph of g at (pi/3, sqrt3/4). b. Find the critical number(s) of g on the interval [0, 2pi]. Does the function have a relative minimum, relative maximum, or neither at
asked by Anonymous on November 18, 2016 
Statistics
1)A quiz consists of 8 multiple choice questions, each with 5 possible answers. If random guesses are made for all 8 questions, find the probability that a student will answer exactly 5 correctly. A. 0.999 B. 0.009 C. 0.990 D. There is not enough
asked by SHEILA on August 5, 2019 
Physicsrepost, sorry, I still don't understand :(
A forearm with a mass of 1.2kg supports a ball with a mass of 5.44 kg. The forearm is 0.050m long; it's perpendicular to the arm is 0.35m long, the center of gravity is at 0.15m from the elbow. Find the force exerted by rhe biceps and the force on the
asked by Sukie on March 1, 2009 
maths
A clothing firm determines that in order to sell x suits, the price per suit must be p = 150  0.5x. It also determines that the total cost of producing x suits is given by C(x) = 4000 + 0.25x^2. a. Find the total revenue R(x). b. Find the total profit
asked by shila on October 23, 2007 
maths
there are 104 students in class 10th and 96 students in class 9th in a school .in a house examination the students ate to be evenly seated in parallel rows such that no two adjacent rows are of the same class. (a) find the maximum number of parallel rows
asked by ritik on March 7, 2015 
Math
In a survey of families in which both parents work, one of the questions asked was, "Have you refused a job, promotion, or transfer because it would mean less time with your family?" A total of 200 men and 200 women were asked this question. "Yes" was the
asked by Tracy on June 28, 2013 
math statistics
In a survey of families in which both parents work, one of the questions asked was, "Have you refused a job, promotion, or transfer because it would mean less time with your family?" A total of 200 men and 200 women were asked this question. "Yes" was the
asked by stumped on June 14, 2014 
statistics
In a survey of families in which both parents work, one of the questions asked was, "Have you refused a job, promotion, or transfer because it would mean less time with your family?" A total of 200 men and 200 women were asked this question. "Yes" was the
asked by Tiara on March 18, 2014
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