
Math
A farmer is fencing a rectangular area for his farm using the straight portion of a river as one side of the rectangle. If the farmer has 2400 ft of fence, find the dimension of the rectangle that gives the maximum area for the farm
asked by THERESE GAJETOS on August 12, 2014 
physics
A particle is moving clockwise in a circle of radius 1.75 m. At a certain instant, the magnitude of its acceleration is a = a = 39.0 m/s2, and the acceleration vector has an angle of θ = 50° with the position vector, as shown in the figure. At this
asked by HELP!!!! on March 19, 2011 
PreAlgebra
A jar contains 45 red candies and 60 black candies. Suppose a candy is selected at random. What are the odds against selecting a red candy? 3 to 7 4 to 3 4 to 7 can someone show me how to find the correct answer (Not the answer) but the steps ?!!!
asked by 20four on April 11, 2019 
Business mathematics
A sum of money when invested for a definite period at r% simple interest will yield an interest of rm80 .using the same interest rate, find the interest earned if the sum is tripled and the investment period is doubled
asked by Muhammad nur ikhwan on October 30, 2016 
Physics
Two forces act concurrently on a point P. One force is 60nt due east. The second force is 80nt due north. (a) Find the magnitude and direction of their resultant. (b) What is the magnitude and direction of the equilibriant?
asked by Elise on January 17, 2011 
Calculus
Find the consumer surplus at the equilibrium point.(I keep using the formula listed below but get a completely different answer from what the book says. I am a visual person so please show me step by step so I can see where I went wrong. D(x)=(x6)^2 ; x=3
asked by Toby on April 26, 2018 
Math
Find the consumer surplus at the equilibrium point.(I keep using the formula listed below but get a completely different answer from what the book says. I am a visual person so please show me step by step so I can see where I went wrong. D(x)=(x6)^2 ; x=3
asked by Amy on April 26, 2018 
math
Shane invests $7,000 in bonds that earn simple interest of 3%. The interest is payable at the maturity of the bonds after 5 years. Find the total amount that Shane will receive at the end of 5 years.
asked by kim on January 25, 2012 
physics
A toy consisting of two balls, each m = 0.56 kg, at the ends of a l = 0.73 m long, thin lightweight rod is shown below. Find the moment of inertia of the toy. The moment of inertia is to be found about the center of the rod.
asked by Anonymous on January 10, 2013 
Chemistry Help
The most effective buffer solutions have equal concentrations of salt and acid (or base). Find the pH of a buffer solution with equimolar concentrations of: (a) HCOOH and NaCOOH (Ka = 3.5 x 104 for HCOOH) (b)CH3NH2 and CH3NH3Cl (Kb = 3.7 x 104 for
asked by Luke on February 23, 2017 
math
Claire jogs around an oval track and is able to complete one lap in 5 minutes. If she jogs at the same pace for 42 minutes, how many laps would she be able to jog? Write an inequality and find the number of whole laps Claire completes.
asked by jill on March 2, 2017 
Precalculus
The distance between 2 points (z1,Y1) and (x2,y2) is given by d = square root (x1x2)+ (y1y2)^2) a  pick 2 arbitrary points in 3 dimensions, (x1, y1, and Z1) and (x2,y2,z2) and plot these points. Not that there are 0 degrees between the xy, xz, and yz
asked by Greg on September 14, 2012 
THEORY OF MACHINE
The principal stresses at a certain point in a strained material are 150 MPa and 48 Mpa both tensile. Find normal and tangential stresses on a plane inclined at 20 degree with the major principal plane.
asked by rajesh jain on January 12, 2013 
Calc
A spherical snowball is placed in the sun. The snowball melts so that it's surface area decreases at a rate of 2 cm2 /min. Find the rate at which the diameter decreases when the diameter is 8 cm. I'm not sure what formulas to use, SA and/or Volume. And im
asked by Andie on October 24, 2014 
Algebra
Claire jogs around an oval track and is able to complete one lap in 5 minutes. If she jogs at the same pace for 42 minutes, how many laps would she be able to jog? Write an inequality and find the number of whole laps Claire completes.
asked by Cory on March 19, 2017 
PRE  CALCULUS
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. Show your work. 4xy+3z = 12 x+4y+6z =32 5x+3y+9z = 20 ...... I NEED HELP WITH THE OTHER TWO PLEASE :) 4 1 3  12 1 4 6  32 5 3 9  20 1
asked by Ciara on April 17, 2015 
Reiny/ MATH Help
THANK YOU VERY MUCH!!! I forgot to say thank you for this answer the other night. There are 900 of those counting numbers with no restriction. Let's find all those that DON'T have a 2 in them there are 8 possible in the left spot , (no 2 or 0) but 9
asked by TO: Reiny on February 1, 2012 
math: precalculus
The Department of Commerce estimated that there were 53 million internet users in the country in 1999 and 90 million in 2002. Find an exponential function that the models the number of Internet users in year x, with x=0 corresponding to 1999.
asked by Nicky on May 8, 2016 
precalc
Given that sec 3π/10 ≈ 17/10 and csc 3π/10 ≈ 17/14, find the following: 1. sin 3π/10 ≈ 14/17 (is this one correct) 2. csc 43π/10 ≈ 3. sec 2π/10 ≈ 4. cot 12π/10 ≈ 5. tan π/5 ≈ 6. sin 7π/10 ≈ 7. cos 13π/10 ≈ 8. tan 33π/10 ≈ i
asked by a on September 16, 2015 
statistics and probability
When a die is rolled and a coin(with heads and tails) is tossed,find the probability of obtaining, (a). Tails and an even number. solution. A={HH,TT,HT,HT} B={HH,TH} (b). A number greater than 3 SOLUTION. let event C=(AuB) P(C)=P(AuB)=P(A)+P(B)P(AnB) =3/4
asked by masinde on December 3, 2015 
Math
The perimeter of a rectangle is 74 centimeters. The width is doubled and the length is halved. The new rectangle has a perimeter of 76 centimeters. Find the dimensions. Okay, so in class we're learning about Systems of Equations. What are the equations for
asked by Sammi on February 15, 2010 
Physics
Two identical objects are in the same surroundings at 4.50oC. One is at a temperature of 1400 K, and the other is at 1040 K. Find the ratio of the net power emitted by the hotter object to the net power emitted by the cooler object.
asked by jakob on November 14, 2012 
Social Studies
Why did immigrants and farmers settle in big cities at the end of the 19th century? My answer: Immigrants and farmers settle in large cities because, once there, even workers with few skills could usually find steady work.
asked by Anonymous on May 21, 2013 
physics
A coin is placed on a vinyl stereo record that is making 33 1/3 revolutions per minute on a turntable. In what direction is the acceleration of the coin? Find the magnitude of the acceleration when the coin is placed 18 cm from the center of the record.
asked by colleen on January 31, 2012 
Physics
When a 0.213kg mass is attached to a vertical spring, it causes the spring to stretch a distance d. If the mass is now displaced slightly from equilibrium, it is found to make 150 oscillations in 52.0 s. Find the stretch distance, d.
asked by Cooper on November 17, 2011 
statistics
A sample of 25 men has a mean weight of 65kg with standard deviation of 8kg. Suppose that the weight of men follows normal distribution with a standard deviation of 10kg. Find a 95% confidence interval for the population mean μ.
asked by Ali on June 3, 2011 
chemistry
H2(g) + Cl2(g) HCl(g) Consider the unbalanced equation above. 3.95 L of H2 and 1.00 L of Cl2 are reacted under the same conditions of temperature and pressure. (a) How many liters of HCl will be produced? (b) How many liters of reactant are in excess? i
asked by olivia on October 20, 2014 
physics
Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is 5.5×104 times the acceleration of gravity. The distance from the axis of rotation to the bottom of the test tube is 8.0 .
asked by christina on March 25, 2011 
math
A debt of $3,000 will mature in three years’ time. Find a)The present value of this debt b)The value of this debt at the end of the first year c)The value of this debt at the end of four years Assuming money is worth 14% compounded semiannually.
asked by Lula on May 5, 2018 
Calculus
Draw a diagram to show that there are two tangent lines to the parabola y=x^2 that pass through the point (0,4). Find the coordinates of the points where these tangent lines intersect the parabola. So far I have taken the derivative and got y'=2x.. Using
asked by Anonymous on November 4, 2014 
physics
A particle is moving clockwise in a circle of radius 1.54 m. At a certain instant, the magnitude of its acceleration is a = 26.0 m/s2,and the acceleration vector has an angle of θ = 50° with the position vector, as shown in the figure. At this instant,
asked by sara on February 15, 2012 
Calculus
If 2300 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. Volume = i know it's in cubic centimeters. but i'm getting my values wrong
asked by Alessandra on November 5, 2014 
math
A restaurant sells a coffee refill mug for $6.75. Each refill costs $1.25. Last month Keith spent $31.75 on a mug and refills. Write an equation you can use to find the number of refills that Keith bought.
asked by Anonymous on February 5, 2018 
math
The difference between two numbers is 3. Eight times the larger number is 10 times the smaller number. Write a system of equations describing the given conditions. Then solve the system by the substitution method and find the two numbers.
asked by brian on May 14, 2017 
physics
Object 1 has a mass m1 and a velocity vector v 1 = (2.87 m/s)xhat. Object 2 has a mass m2 and a velocity vector v 2 = (3.06 m/s)yhat. The total momentum of these two objects has a magnitude of 18.6 kg · m/s and points in a direction 66.5° above the
asked by aok19 on October 23, 2010 
health
can anyone find me a chart or something that tells me the average weight that a girl a certain height should be? thanks I'm waiting for it to load. Hold on Body Mass Index Chart Calculate your body Mass Index BMI
asked by jamie on June 22, 2007 
Electricity and Magnetism
Consider free protons following a circular path in a uniform magnetic field with a radius of 1m. At t =0s, the magnitude of the uniform magnetic field begins to increase at 0.001 T/s . Find the tangential acceleration of the protons .
asked by John on March 10, 2017 
Chemistry
0.000333 g fluorescein (332.32 g/mol) is dissolved in 225 mL solution of ethanol. The density of ethanol is 0.785 g/mL. What is the concentration of the solution in molarity (M)? How many ppm? I already know that the molarity is 4.45E6. I just need help
asked by Vince on July 16, 2012 
Stats
A car rental agency currently has 43 cars available, 27 of which have a GPS navigation system. Two cars are selected at random from these 43 cars. Find the probability that both of these cars have GPS navigation systems. Round to four decimal places.
asked by Anonymous on October 21, 2013 
Pre Calc
The halfLife of radioactive earthium is 2651 years. Find how many years it will take 100 grams of earthium to decay to 10 grams. I know the equation is A=Ae^(rt) I tried working it out but I think I am doing it wrong. I did 10=100e^(r*2651) Can anyone
asked by Alex on January 13, 2011 
Physics
A cart of mass M1 = 4.00 kg and initial speed = 4.00 m/s collides head on with a second cart of mass M2 = 2.00 kg at rest. Assuming that the collision is elastic, find the speed of M2 after the collision. i keep getting the wrong answer please help me.I
asked by josh g on March 6, 2008 
mathsurgently needed
A cube or a cuboid had the volume the measurement of the cubiod area in the ratio 1:2:3 if the difference between thee cost of painting the cuboid & cube (whole surface area) at the rate of 5m is rs80 find their volume
asked by Anonymous on January 20, 2013 
Mathematics
A tree is "x"meters high. The angle of elevation of its top from a point P on the ground is 23degrees. Form another point Q, 10meters from P and in line with P and the foot of the tree, the angle of elevation is 32degrees. Find "x". (i need a way on how to
asked by anonymous on March 5, 2008 
math
Find the lateral area of a regular pyramid whose base is a square, whose slant height is 5 m, whose height is 3 m. I think that the answer is 60. I subtracted 3 squared from 5 squared and I got 4. I multipled 4 by 2 and I got 8. I made a formula 3(1/2(8 x
asked by keisha on November 11, 2007 
Math grade 12 Advanced Functions
A company uses the function C(x)=20.50+2000, where C is the cost and x is the number of units it produces, to determine its daily costs. Find the inverse of the function and determine how many units are produced when the cost is $625,000.
asked by Anonymous on January 25, 2013 
Math
A loan of $1,000 is due in 1 year with simple interest at 14 ½% per annum. The debtor pays $200 in 3 months and $400 in 7 months. Find the balance due in 1 year to repay the loan.
asked by Lula on May 4, 2018 
math
How do you find an equation of a quadratic function from two points. The two points are the vertex and the y intercept. Suppose you have y=ax^2 + bx + c The vertex occurs when x satisifes 2ax+b=0 or x=b/(2a) The y intercept occurs at x=0, so it's the c
asked by Chris on October 11, 2006 
math
A metalic sheet of rectangular shape with 48m*36m from each of it corner a square is cut off so as to make an open box. if length of each square length is 8m find the volume of the open box ????
asked by TUHITUHI on January 27, 2013 
Physics
In a performance test, each of two cars takes 9.4 s to accelerate from rest to 24 m/s. Car A has a mass of 1358 kg, and car B has a mass of 2014 kg. Find the net average force that acts on (a) car A and (b) car B during the test.
asked by Michael on March 22, 2011 
geometry
I tried to do this problem but the answer doesn't jive. Circle C has a radius of 13. Chord AB is 10. Find the distance from the center of the circle to chord AB which is labeled CD. I labeled CD = x. 1/2 of AB = 5. The line segment CB (13) is the same os
asked by robin on April 24, 2015 
Chemistry
A 38.5 mL sample of HBr is titrated with 112 mL of 1.05 mol/L KOH. The density of the HBr solution is 1.75 g/mL. Calculate the percentage by mass of the HBr in the sample. How come we don't use density*volume to find the moles of HBr?
asked by Sam on December 2, 2015 
Calculus
The length l of a rectangle is decreasing at the rate of 3cm/sec, while its width w is increasing at the rate of 3cm/sec. Find the rates of change of (1.) the area, (2.) the perimeter, (3.) the length of one diagonal at the instant when l=15 and w=6.
asked by Lance on February 25, 2017 
Physics
A 10kg ball ‘A’ moving at a speed of 8m/s collides with a 20 kg ball B initially at rest. After The collision, the balls A and B move along the direction of 30 & 45 respectively with the initial direction of motion of A. Find the final speed of balls A
asked by Shrawan on July 15, 2011 
Essay
Can someone find me an essay on service learning versus community service? These two sites discuss service learning and community service. (Broken Link Removed) http://www.nationalservice.org/
asked by John on December 10, 2006 
math
the angle of depression of the top and bottom of an 8m tall building from the top of a multi storyed buiding are 30degree and 45 degree respectively find the height of the multi storyed building and the distance between 2 buildings
asked by rim on January 17, 2012 
physics
Two ropes are attached to a skater as sketched in the figure below and exert forces on her as shown. Find the magnitude and direction of the total force exerted by the ropes on the skater if θ1 = 32.0° and θ2 = 53.0°. what is the magnitude and
asked by kj on February 21, 2009 
Math
A rectangular prism has a width of 92 ft and a volume of 240 ft^3. Find the volume of a similar prism with a width of 23 ft. Round to the nearest tenth, it necessary. I know the answer is 3.8 feet because I got it wrong. But why is that the answer. If you
asked by Anonymous on February 19, 2015 
math
The perimeter of a rectangle is 68 f. Find the dimensions of the rectangle if the ratioof the length to the width is 9:8 I am sorry that nobody has responded earlier. The perimeter is the sum of the length of the four sides. Therefore: 2(9X) + 2(8X) = 68
asked by mukesh on February 10, 2007 
com/155
write a 100 word passage to Susan Anker, the author of the course's textbook, in which you describe five details from her book that are good and five details about the book that are well written. Where can I find Susan Anker's books
asked by jo on September 10, 2010 
math
the willis tower is 1453 feet tall. it is 323 feet taller than the john hancock building. write and solve an equation to find the height of the john hancock building?
asked by rainbow dash on February 3, 2015 
MATH
HOW DO LEAST COMMON MULTIPLES WORK. IT SAYS THERE IS A PROBLEM TO SOLVE BUT MY MOM AND I CAN'T FIND IT. THEY CIRCLED BOTH 2'S AND 3'S. The least common multiple of 2 and 3 is six. The least common multiple of 12 and 6 is 12. # noun: the smallest multiple
asked by MORGAN on January 2, 2007 
Calculus
If 40 milligrams of strontium90 radioactively decays to 12 milligrams in 30 years, find its halflife (the number of years it takes until half of it remains). Use the formula A = p ⋅ e−kt, where p is the amount and A the (smaller) final amount.
asked by Kimberly on March 26, 2014 
Algebra
Mr. and Mrs. Abdullah invest a total of $10,000 in two savings accounts. One account pays 5% interest and the other 6%. Find the amount placed in each account if the accounts receive a total of $540 in interest after one year.
asked by Lora on March 28, 2013 
geometry
A person who is 5 feet, 6 inches (5.5 feet) tall casts a shadow (from N to S) that is 12 feet long. The distance along the ground from the person (N) to the flagpole (G) is 18 feet. Find the height of the flagpole (FG) showing all calculations. What is the
asked by David on January 14, 2014 
physics
Am 85kg jogger is heading due east at a speed of 2.0m/s. A 55kg jogger is heading 32 degrees north of east at a speed of 3.0m/s. Find the magnitude and direction of the sum of the momenta of the two joggers.
asked by Natasha on March 12, 2012 
History
In ancient times, most slaves were prisoners of war. You may be able to find a part in your Bible that says that the Israelites were marched to Babylon. Please check your Bible, because it may be what your teacher expects. Who were marched to Babylon to
asked by Ms. Sue on October 31, 2006 
math
The position of two towns X and Y are given to the nearest degree as X(45° N, 10° W) and Y (45 N°, 70° W). Find (a) The distance between the two towns in (i) Kilometers ( take the radius of the earth as 63711) (ii) Nautical miles ( take I nautical mile
asked by kudu on February 9, 2015 
Physics
Find the linear speed of the bottom of a test tube in a centrifuge if the centripetal acceleration there is 5.1×104 times the acceleration of gravity. The distance from the axis of rotation to the bottom of the test tube is 7.7 .
asked by Chris on November 3, 2011 
geometry
I can't figure out this problem, help would be much appreciated! Suppose line BC bisects angle ABE, and D is the interior of angle ABC. If mangle CBD=28 degrees, and mangle ABE=136 degrees, find mABD.
asked by bleach on April 26, 2012 
math
1. 13cm=5.12in? 2. is "root21" between? 4 and 5? 3. find the square root of 25? =5? 4. John's height increased from 5'2" to 5'7" during the past year. What is the rate of increase (to the nearest whole percent) of John's height over the past year? 8%?
asked by Hannah on October 20, 2009 
Math
The perimeter of a square must be greater than 104 inches but less than 150 inches. Find the range of possible side lengths that satisfy these conditions. (Hint: the perimeter of a square is given by P=4s, where s represents the length of a side).
asked by Whitney on September 2, 2015 
Geometry
A plane flying 16 degrees west of north at 289mph is flying in air which is moving 32mph at due west. Find the resulting speed and direction of the plane. (Step by step please!)
asked by George on September 24, 2013 
CALCULUS HELP
Find the second derivative for the function 5x^3+60x^236x41 and solve the equation F(X)=0 i got to the second derivative but what do we do next to be able to get one of these answers.. F(x) = 5x3+60x2−36x−41 1. derivative of F(x) with respect to x =
asked by Herosugar on September 26, 2012 
Math
Create a table for each set of values. Test each table for equivalent ratios to find which set of values describes the proportional relationship of the two quantities. 66 ounces of peanuts to 89.1 ounces of walnuts
asked by Kaleem on September 2, 2015 
Math
For painting a triangular courtyard and a square courtyard, an equal amount of paint is required. if the edges of the triangular courtyard measure 16.5 m, 27.5 m and 22 m, find the length of the square courtyard, correct up to 2 decimal places.
asked by Deepak on March 5, 2018 
math
samina spends threefourth of her pocket money to buy chocolates and the rest to purchase chewing gum. find the ratio of amount spent on chocolates to that spent on chewing gum
asked by fizza on January 13, 2017 
MATH
a rectangular garden 9ft by 12 ft includes a uniform border of wood chips around a rectangular bed of flowers. If flowers take up half the garden's area. find the perimeter of the flower bed
asked by SEAN on February 16, 2013 
OChem
Find the minimum volume of hot water needed to dissolve 100 mg of salicylic acid. Can someone help me how to start this out? I would greatly appreciate it. The data is [temp] [amount of salicylic acid per 100 ml water, g] 0 0.10 10 0.13 25 0.23 50 0.63 75
asked by Christine on August 29, 2009 
Math
The number of motor vehicles produced worldwide increased from approximately 57.5 million in 2000 to 60.3 million in 2003. Find the percentage change in motor vehicle production from 2000 to 2003.
asked by Sandra on September 14, 2009 
Presidents
Can someone please find me a powerpoint presentation solely on President Andrew Johnson? Thanks I read the answers to your other question, and apparently your request is too specific. Perhaps you can use those sites and prepare your own powerpoint
asked by John on November 10, 2006 
Database design
How can you conduct evaluation and revision within the SDLC and DBLC frameworks? Maybe try here: http://www.google.com/search?hl=en&lr=&as_qdr=all&q=SDLC++DBLC+frameworks+evaluation+evaluate Thanks Lance but I do not find what I need there, or if it is I
asked by Robin on July 25, 2006 
Physics
A coin is projected with speed 6m s1 (metres per second) along the horizontal surface of a bench. The coefficient of friction between the coin and the surface is 0.7. Modelling the coin as a particle and assuming no air resistance, find the speed of the
asked by Josep on February 19, 2013 
Math
A girl's club is selling hats to raise money. They ordered 500 hats that cost$5.15 each. They will sell the hats for $18.50 each. All the hats were sold. How do you find the amount of money the club made after expenses?
asked by Ty on February 23, 2015 
physics
The operating potential difference of a light bulb is 120 V. The power rating of the bulb is 105 W. Find the current in the bulb and the bulb's resistance. Current 1 A Resistance 2 I got 0.916 for A and 115 for B but they are wrong
asked by Amelia on May 14, 2012 
chemistry
First off, how do you eve find out if it would be colored or colorless? Will aqueous solutions of the following salts be colored or colorless? Explain. a. Titanium (II) chloride b. Beryllium chloride c. Tin (II) nitrate d. Iron (III) nitrate
asked by Heather on November 20, 2013 
Pre Cal.
1. Identify the conic section represented by: 9y^2+4x^2  108y+24x= 144? Is it ellipse. 2. Find the coordinates of the vertex and the equation of the axis of symmetry for the parabola represented by: x^2 + 4x  6y + 10 = 0. vertex: (2 , 1) axis of
asked by Jeremy on August 17, 2009 
physics science
a ball thrown vertically upward lands on the thrower's hand 24.5s. find (a) the time taken by the ball to reach its maximum height,(b) the maximum height attained by the ball, and (c) initial velocity of the ball
asked by john on September 8, 2017 
statistics
in a lottery, a player wins or shares in the jackpot by selecting the correct 6number combination when six different numbers from 1 through 49 are drawn. if a player selects one particular 6number combination, find the probability of winning the jackpot.
asked by safi on November 15, 2015 
Physics
A rocket of mass 4.5 105 kg is in flight. Its thrust is directed at an angle of 47.5° above the horizontal and has a magnitude of 6.60 106 N. Find the magnitude and direction of the rockets acceleration. Give the direction as an angle above the
asked by Kylie on February 8, 2016 
Science
A snooker ball X of mass 0.3kg moving at 5m/s hit a stationary ball Y of mass 0.4kg and Y move at a velocity of 2m/s at angle to the initial direction of X. Find the velocity and direction of X after hitting
asked by MARTIN on September 2, 2016 
biology
Suppose you have monohybrid snapdragons in your garden and you find that they produce red seeds to white seeds in the ratio of 3:1. If the alleles are designated R (red seeds) and r (white seeds), what are the probable phenotypes of the parents (P1)?
asked by terbreon on January 22, 2015 
math
The rate of inflation is 3%. The cost of an item in future years can be found by iterating the function c(x)=1.03x. Find the cost of a $1500 refrigerator in three years if the rate of inflation remains constant.
asked by lilly on July 24, 2018 
logic
On a certain island there live only knights, who always tell the truth, and knaves, who always lie. One day you find 10 island natives standing in a circle. Each one states: "Both people next to me are knaves!" Of the 10 in the circle, what is the minimum
asked by unowen on July 24, 2017 
algrebra
John wants to rent a car. He knows that a friend used XYZ rental agency in the past. His friend paid $65 to drive 50 miles and $74 to drive 80 miles. What is the linear function the agency uses to find the cost?
asked by tammi on February 27, 2012 
physics
a block of stone has a density of 2.75 g/cm3. the block has a mass of 3.30 kg. it measures 6.00 cm wide by 8.00 cm high by L cm long. how do i find L? if the block was in water with density of 1000kg/cm3 what would the buoyant force on the block be?
asked by anon on December 5, 2017 
Calculus
A medicine is administered to a patient. The amount of medicine M, in milligrams, in 1 mL of the patient’s blood, t hours after the injection, is M(t)=1/3t^2+t where 0
asked by Morris on February 17, 2016 
Physics
A ball is fired from the ground with an initial speed of 2.38 * 10^3 m/s (approximately seven times the speed of sound) at an initial angle of 56.0° to the horizontal. Neglect air resistance. (a) Find the ball's horizontal range.(m)
asked by Michelle on October 21, 2012 
physics
A circular plate of uniform thickness has a diameter of 56cm.A circular portion of diameter 42cm is removed from one edge of the plate .find the position of the center of mass of the remaining portion.
asked by sony on October 13, 2012 
mythology
where can i find a script of troy? Place the URL below into your browser. You can do that by copying and pasting. http://www.google.com/search?hl=en&ie=ISO88591&q=Troy+%2B+script&btnG=Google+Search
asked by klar maesen on August 6, 2007 
math
Hi This is a threepart question: a. the graph y = f(x) in the xyplane has parametrization x=x, y=f(x), and vector formula r(x) = xi + f(x)j. Use this to show that if f is twicedifferentiable, then ((absvalue f''(x))/[1+((f'(x))^2]^3/2 b. use the formula
asked by Jaime on December 8, 2007
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