# 1)Find the sixth term of the geometric sequence for which a1=5 and r=3 A)1215 B)3645 C)9375 D)23 I chose A 2)Write an equation for the nth term of the geometric sequence -12,4,-4/3... A)aN=-12(1/3)n-1 B)aN=12(-1/3)n-1 C)aN=-12(-1/3)-n+1 D)aN=-12(-1/3)n-1 I chose C 3)Find

92,916 questions, page 800
1. ## Chemistry

250cm3 of 0.400moldm-3 NaOH and 250cm3 of 0.400moldm-3 HCl is allowed to react in a calorie meter. If the initial temperature of the system is 17.05 degree C and the final temperature is 19.55 degree C,Find the enthalpy of neutralization for the reaction.

asked by Anonymous on February 20, 2013
2. ## Stats

A student hands each of 300 classmates 2 chocolates side by side on a plate. Of the 300 students, 171 choose the chocolate that¢s on their right hand side, and the remaining 129 choose the chocolate that¢s on their left. The student says, “That¢s just

3. ## Physics - Forces

A 10 kg block is pressed against a vertical wall and held in place by a force F of 180 N, 37° above the horizontal. The coefficient of static friction μS=0.20. Find the magnitude and direction of the frictional force. The answer is 10.3 N downward but I

asked by Serina on March 7, 2017
4. ## AP physics

Suppose a Chinook salmon needs to jump a waterfall that is 1.50 m high. If the fish starts from a distance 1.00 m from the base of the ledge over which the waterfall flows, find the x- and y-components of the initial velocity the salmon would need to just

asked by Tifna on August 28, 2009
5. ## Math

I am not sure which questions I got wrong but I am not getting the link correct to the next box. The website is mathbits(dot)com/caching/holiday/H30976.html I got these answers 1.) Choice 3 2.) Choice 2 3.) a.) Choice 2 b.) 63 4.) 8 To move on I need to

asked by Johnathan on January 7, 2016
6. ## Physics

A model airplane with a mass of 0.748 kg is tethered by a wire so that it flies in a circle 30.2 m in radius. The airplane engine provides a net thrust of 0.806 N perpendicular to the tethering wire. (b) Find the angular acceleration of the airplane when

asked by Anonymous on November 17, 2010
7. ## Precalculus

Find the distance that the earth travels in nine days in its path around the sun. Assume that a year has 365 days and that the path of the earth around the sun is a circle of radius 93 million miles. [Note: The path of the earth around the sun is actually

asked by Laura on March 20, 2019
8. ## equilibrium constant (Kp)

What is the equilibrium constant "Kp" at 200 C for the reaction below: P4(s) + 6 Cl2(g) -->

asked by k on July 20, 2011
9. ## maths-urgently needed-plse help

A manufacturer lists the price of the goods at Rs.240 per article. The wholesaler ge6ts a discount of 25% on the goods from the manufacturer. The retailers are allowed a discount of 15% on the list price by the wholesaler. The prescribe rate of sale tax at

asked by Anonymous on February 2, 2013
10. ## Math Binomial theorem

I'm preparing for a test and one of the questions in my text is as follows: In a trivia contest,Sam has drawn a topic he knows nothing about, so he makes random guesses for the 10 T/F questions. Use the binomial theorem to help find a)the number of ways

asked by ann on April 17, 2011
11. ## algebra

If Sam Stevens and four other friends want to schedule a 6 hour fishing trip on Lake Ontario with Reel Easy Sport Fishing. The cost for five people is \$445. The cost for six people is 510. How much money per person will Sam and each of his friends save if

asked by Katherine on August 9, 2010
12. ## chemistry

What is the equilibrium constant "Kp" at 200 C for the reaction below: P4(s) + 6 Cl2(g) -->

asked by l on July 20, 2011
13. ## Annuity!

When Raisel's son was born, she put \$7,500 in an investment that earns 5.25% compounded quarterly. This investment will mature when her son turns 18 and will go straight into an annuity at 7.25% compounded and paying out monthly at the end of the period.

asked by Thara! on April 10, 2010
14. ## physics

TV-reception antennas for VHF (channels 2 through 13) are constructed with cross wires supported at their centers, as shown in Figure 23.24. The ideal length for the cross wires is one-half the wavelength to be received, with the more expensive antennas

asked by Amelia on May 29, 2012
15. ## Statistics

Bookstore has a website for which 90 percent of their book sales are to out of state customers and not subject to the collection of sales tax . The sample proportion of all sales to out of state customers from samples of size 100 will vary in repeated

asked by Teresa on April 3, 2016
16. ## precalculus

graph y=sin(x-pie/4) (couldn't find pie sign on my keyboard) Use 3.1459 We can't draw graphs for you here, but you can certainly make a table of values of x and corresponding values of y, and draw the graph yourself. you might save a little time by

asked by lisa on November 13, 2006
17. ## Economics

The manager estimates that the total revenue from the sale of her firm's product is given by the equation TR = Q^2/2 and the total cost function is estimated to be TC = 5000+60Q+Q^2 A. What are the profit-maximizing levels of price and output? B. Find the

asked by Yonas on June 18, 2019
18. ## Physics

A curve of radius 161 m is banked at an angle of 12°. An 840-kg car negotiates the curve at 94 km/h without skidding. Neglect the effects of air drag and rolling friction. Find the following. (a) the normal force exerted by the pavement on the tires (b)

asked by Alex on July 19, 2011
19. ## calculus

A large soup can is to be designed so that the can will hold 54pi cubic inches of soup. The radius of the can is "x" inches and the height of the can is "h" inches. Find the values for the radius and the height such that the amount of metal needed is as

asked by Ben on July 18, 2011
20. ## statistics

It is known that the population mean for the Full Scale IQ of the WAIS is 100 with a standard deviation of 15. A researcher assesses a sample of 200 adults and find that they have a mean Full Scale IQ of 102. The point estimate of the mean for this group

asked by Katie on April 15, 2014
21. ## physics

An adventurous archaeologist crosses between two rock cliffs by slowly going hand over hand along a rope stretched between the cliffs. He stops to rest at the middle of the rope. The rope will break if the tension in it exceeds 25000N, and our hero’s

asked by mega on May 17, 2015
22. ## Calculus

please help me...for the power series summation of n^4x^n/2(n-1)factorial....find the radius i am guessing the radius is either x or x/2 but i am still not sure..CAN someone help me plz? PLZ HELP ME...i don't know where to start Take the ratio of two

asked by Maria on May 7, 2007
23. ## physics

An asteroid is moving along a straight line. A force acts along the displacement of the asteroid and slows it down. The asteroid has a mass of 4.9 × 104 kg, and the force causes its speed to change from 7600 to 5400 m/s. (a) What is the work done by the

asked by shaknocka on February 28, 2011
24. ## algebra

a rowing team rowed 60 miles while going with the current in the same amount of time as it took to row 10 miles going against the current. the rate of the current was 5 miles per hour. find the rate of the rowing team in still water

asked by Anonymous on April 22, 2019
25. ## algebra

tugboat goes 160 miles upstream in 10 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a current and the speed of the current. speed of tugboat is speed of the current is

asked by scott on March 30, 2012
26. ## Math

A bus travels 180 miles in same time a car travels 240 miles. if cars speed is 15mph faster than speed of bus, find the speed of car and bus.

asked by Sam on May 22, 2017
27. ## Algebra

The length of a rectangular piece of steel in a bridge is 3 meters less then double the width. The perimeter of the piece of steel is 24 meters Find the length and width of the piece of steel. l=3-2w? is part of the formula?

asked by Christopher on May 7, 2014
28. ## calculus

Find an equation of the tangent line to the curve at y = cosx - sinx (pi, -1) I found y'= -sinx - cosx and used the equation of the tangent y = mx +b I input the values and get -1 - [(-sinx - cosx) * pi] = b the answer says it is y = x - 1 - pi I have no

asked by Daniel on October 14, 2011
29. ## Math

A store sells used DVDs for \$8 each and used videotapes for \$6 each. Write a function rule to represent total selling price of DVDs and videotapes. Then use the function rule to find the price if 5 DVDs and 3 videotapes

asked by Ty on February 24, 2014
30. ## Statistics

A survey found that 25% of pet owners had their pets bathed professionally rather than doing it themselves. If 20 pet owners are randomly selected find the probability that between 12 and 7 pet owners, inclusive, have their pets bathed professionally.

asked by Ashley on March 14, 2011
31. ## Math

The age of ramesh and rahim are in the ratio 5:7. If ramesh was a years oldr and rahim was a years younger,the age of ramesh would have been twice age of rahim.find their age plz gve me sltn fst

asked by Simran kaur on November 3, 2012
32. ## Economics

Based on the total world trade share with the given information, find the nations deficit or surplus. country A exports to country B: \$35 country A exports to country C: \$25 country B exports to country A: \$30 country B exports to country C: \$25 country C

asked by Hu on March 13, 2008
33. ## probability

Let X be a non-negative random variable. Find the PDF of the random variable Y=lnX for each of the following cases: For general fX, fY(y)= Correct answer: fX(e^y)*e^y 2. When fX(x) = {1/4, if 2

asked by navneethc on July 15, 2019
34. ## Physics

A canoe has a velocity of 0.410m/s southeast relative to the earth. The canoe is on a river that is flowing at 0.510m/s east relative to the earth. Find the magnitude of the velocity v⃗ c/r of the canoe relative to the river

asked by ana on February 19, 2014
35. ## statistics

Five percent of all items sold by mail order company are returned by customers for a refund. Find the probability that, of two items sold during a given hour by this company, a) both will be returned for a refund b) neither will be returned for a refund

asked by Mikey on October 19, 2011
36. ## math

3/4 of the students in a school were girls and the rest were boys. 2/3 of the girls and 1/2 of the boys attended the school carnival. Find the total number of students in the school if 330 students did not attend the carnival.

asked by Nai on October 29, 2012
37. ## math

a manufacturer's cost is given by C= 300 cube root of n + 1200, where c is the cost and n is the number of parts produced. find the cost when 8 parts are produced. help please!!!! We have C = 300n1/3 +1200 Substitute 8 for n to get C = 300*81/3 +1200 You

asked by tay on October 13, 2006
38. ## Trig

From a point A, 30 meters from the base of a building B, the angle of elevationto the top of the building C is 56 degrees. The angle of elevation to the top of flagpole D on top of the building is 60 degrees. Find the length of flagpole CD

asked by Ellie on November 20, 2016
39. ## Math

One shuttle service charges \$10 for pickup and \$0.10 per mile. The other shuttle service has no pickup fee but charges \$0.35 per mile. Find the number of miles for which the cost of the shuttle service is the same. Please help me and show your work thanks.

asked by Cathy on February 21, 2012
40. ## math

how many square inches are in a square foot A square foot has 12 inches on each side. To find the number of square inches, multiply 12 x 12. You can also go to www.google.com and type in 1 square foot to square inches and press enter.

asked by krissy on September 26, 2006
41. ## Algebra II

A rowing team rowed 50 miles while going with the current in the same amount of time as it took to row 25 miles going against the current. The rate of the current was 2 miles per hour. Find the rate of the rowing team in still water.

asked by Brice on April 2, 2014
42. ## Math

The surface area of a golf ball is 8.92 in ^2. The surface area of a softball is 53.78. Find the ratio of the volumes of a golf ball to a softball. Surface Area = 4π r^2 and Volume = 4/3π r^3 I don't understand this problem, could someone please help me?

asked by Brianna on February 8, 2012
43. ## algebra

the function, p(d) =1 d + ____ 33 gives the pressure, in atmospheres (atm), at an depth d in the sea (d is in feet). Note that p(0)=1 atm, p(33) =2 and so on. find the pressure at 120 feet. The pressure at 120 fee is ____ atm.

asked by spirit73 on September 23, 2009
44. ## math

a tailor had 9m of cloth. after making a tablecloth and 4 cushion covers, she had 90 cm of cloth left. if she used twice as much coth to make each cushion cover as the tablecloth, find the lenght of cloth she used to make each cushion cover

asked by arvi on February 18, 2013
45. ## algebra

Maria’s garden has 24 meters of fence and she wants to fence the rectangular garden with wall on one side of the garden. She needs no fence along the wall side. Find the largest area of the Maria’s farm that can be fenced.

asked by delisia on October 23, 2014
46. ## Physics

I'm writing a prac report, and I just need something clarified. The experiment was different masses were attached on a hanging spring, then it had to be pulled down a certain distance, then find the period by finding the time fo each oscillation for each

asked by TP on March 28, 2009
47. ## Physics

A bowling ball encounters a 0.76m vertical rise on the way back to the ball rack, as the drawing illustrates. Ignore frictional losses and assume that the mass of the ball is distributed uniformly. If the translational speed of the ball is 3.80m/s at the

asked by CJ on March 21, 2007
48. ## Physics

I'm writing a prac report, and I just need something clarified. The experiment was different masses were attached on a hanging spring, then it had to be pulled down a certain distance, then find the period by finding the time fo each oscillation for each

asked by TP on March 28, 2009
49. ## Algebra 2

An Egyptian Pharoah has ordered the construction of 4 pyramids. The main pyramid will be the tallest, while the other 3 will each be half its height. All 4 must have a height to base length ratio of 2:3. The maximum amount of stone for construction is 30

asked by Tigger on September 15, 2017
50. ## physics

An elevator with a wieght of 27.8 kN is given an upward acceleration of 1.22 m/s^2 by a cable. a) what is the tension in the cable. b) what is the tension when the elevator is declerating at the rate of 1.22m/s^2 but is still moving upwards? what exactly

asked by Chris on November 13, 2006

1)tan Q = -3/4 Find cosQ -3^2 + 4^2 = x^2 9+16 = sqrt 25 = 5 cos = ad/hy = -4/5 Am I correct? 2) Use the sum and difference identites sin[x + pi/4] + sin[x-pi/4] = -1 sinx cospi/4 + cosxsin pi/4 + sinx cos pi/4 - cosx sin pi/4 = -1 2 sin x cos pi/4 =-1 cos

asked by Abbey on March 16, 2010
52. ## Probablity

The life time of a certain kind of batteries has a mean life of 400 hours and standard deviation as 45 hours. Assuming the distribution of life to be normal, find i) the percentage of batteries with a life time of atleast 470 hours. Ii) Out of 10000

asked by Kruti on October 1, 2015
53. ## Math

An aeroplane travelling from town A to town C travels 9km due west to Town B and then 12km due south to town C. Sketch a diagram to represent the movement of the diagram from Town A to Town C Calculate the distance between Town A and Town C Find the total

asked by Lloyd on May 25, 2017
54. ## Statistics

The marks of 100 students in an examination are normally distributed with mean of 25 marks and a standard deviation of 10 marks. (a) Given that the pass mark is 20, estimate the number of students who passed the examination. (b) If 5.59% of the students

asked by Anne on October 23, 2014
55. ## statistics

twenty light bulbs are tested to see if they claims last long as the manufacturers claims they do. three light bulbs failed the test. two light bulbs are selected at random without replacement from this collection of bulbs find the probability that both

asked by bernie on July 29, 2016
56. ## Physics

h t t p : / / i m g 2 0 5 . i m a g e s h a c k . u s / i / c a p t u r e b b . j p g / i am stuck on part c how do i find work with out using the spring constant work equals force parallel times displacement at which the force is acted during... Work done

asked by Kate on February 28, 2010
57. ## Calculus

A cylindrical jar of radius 5 cm contains water to a depth of 8 cm. the water from jar is poured at a constant rate into a hemispherical bowl. After t seconds, the depth of the water in the bowl is x cm and the volume, V of water is given as

asked by RK on January 26, 2016
58. ## Physics - Electric force, field, and potential

A 2μC charge is positioned at x = -0.8m and another 2μC charge is positioned at x = 0.8m. A positive test charge of q = 1.28*10^-18C is positioned at the origin x = 0m. Find (a) the electric force exerted on q, (b) the electric field at the origin, and

asked by Kid on February 15, 2017
59. ## Barber Scotia

your planning to buy a new computer monitor and printer for your office. you received the following prices: Store 1; Computer 2500 monitor 595 printer 398 Store 2 computer 2350 monitor 435 printer 349 find the total package price from each store and then

asked by Tamela on April 28, 2014
60. ## Calculus (help Steve plz)

1) if w = , find ||w||? 2) which expression is equivalent to (sin x+1) (sin x -1)? A. Cos^2x B. -cos^2x C. Cos^2x+1 D. Cos^2x-1 E. -cos^2x-1

asked by Breanna on November 28, 2012
61. ## Math

Find the exact solution(s) of the system: x^2/4-y^2=1 and x=y^2+1 A)(4,sqrt3),(4,-sqrt3),(-4,sqrt3),(-4,-sqrt3) B)(4,sqrt3),(-4,sqrt3) C)(2,1),(2,-1),(4,sqrt3),(4,-sqrt3) D)(4,sqrt3),(4,-sqrt3)

asked by Jon on February 21, 2008
62. ## Math

Find the positive number such that 1/2 of the number multiplied by 1/3 of the number, multiplied by 1/6 of the number is equal to the number itself.

asked by Mark on December 12, 2012
63. ## physics

an object with mass 10kg is at rest. It explodes into 4 pieces. A peice with mass 3kg travels NORTH at 5m/s, another piece 5kg travels at 30(degrees) NORTH of EAST at 2 m/s, and another piece 1.1kg travels 60(degrees) NORTH of WEST at 7 m/s. Find the mass

asked by danielle on February 20, 2007
64. ## Math

I need help with this questions. a). An overhead garage door has two springs, one on each side of the door. A force of 15 pounds is required to stretch each spring 1 foot. Because of a pulley system, the springs stretch only one-half the distance the door

asked by Danielle on April 1, 2008
65. ## science

A man mass 75 kg and a boy mass 25 kg dives off the end of a boat of mass 300 kg so that their relative horizontal velocity with respect to the boat is 3 m/s. if initially the boat is at rest find its final velocity if (1) the two dive off simultaneously

asked by sjeba on August 30, 2013
66. ## physics

equal masses m of stone and wood reach thermal equilibrium at T=290. the initial temperature of the wood reach is T=285. find the initial temperature of the stone.(specific heat of wood=1764 and specif heat of stone =882)

asked by kingwendu on January 23, 2013
67. ## statistics/probability

The supply office for a large construction firm has three welding units of Brand A and three welding units that are not Brand A in stock. If a welding unit is requested, the probability is .7 that the request will be for Brand A. Find the probability that

asked by George on January 14, 2013
68. ## Algebra

A poll was taken of 100 students at a commuter campus to find out how they got to campus. The results were as follows: 31 said they drove alone, 39 rode in carpool, 35 rode public transportation, 10 used both carpool and public transportation, 7 used both

asked by Jodie on October 20, 2013
69. ## Chemistry

I am stuck in this problem I need to calculate the molality first so I could find T but I don't know which one is the solvent and which one is the solution the problem is to calculate the freezing point of a solution containing 12.2g of benzoic acid,

asked by Maria on October 27, 2008
70. ## statistics

A person owns both her own business and her own home and purchases a cariety of insurances to protect them. In any one year the probability of an insurance claim on the business is .4 and on the home is .05. Assuming that these are independent events, find

asked by Sharon on October 2, 2009

2- given the curve is described by the equation r=3cos ¥è, find the angle that the tangent line makes with the radius vector when ¥è=120¨¬. A. 30¨¬ B. 45¨¬ C. 60¨¬ D. 90¨¬ not sure A or D 2.) which of the following represents dy/dx when

asked by anon on March 6, 2011
72. ## Mathamatics

A conference centre charges £120 to hire a room, with an additional charge of £8 for each delegate. (a) Find the total cost (including room hire) of a conference with 30 delegates. (b) Write down a formula for the total cost, C,in £,ofhiring a room for

asked by S Rey on June 4, 2010
73. ## algebra

students in a biology class just took a final exam. a formula for predicting the average exam grade on a similar test t months later is. s(t)=78-15log(t+1) (a)find the students average score when they first took the final exam. (b)what would be the

asked by selina on May 11, 2010
74. ## statistics

a company manufactures calculators in batches of 45 and claims that the rate of defects is 4%.find the probability of getting exactly 2 defects in a batch of of 45 if the rate of defects is 4%.if the store receives a batch of 45 calculators and finds that

asked by ally on December 6, 2009
75. ## Math

A group of students are selling homemade oatmeal cookies at \$3 per bag. The students spent \$23 on all the supplies to make the oatmeal cookies. Which expression can be used to find the profit made from selling, w, bags of oatmeal cookies, after accounting

asked by Jerson on February 20, 2018
76. ## Spanish Song Translation

Can someone please translate the last two stanzas of "Bonito" by Jarabe de Palo? I tried translating it but couldn't and so I tried to find a good translation that looked like a human and not a translator did it, but that didn't work out either. So now I'm

asked by Suchindram on October 31, 2009
77. ## Physics!!!!!!

In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 5.0 m away. After a running start, he leaps at an angle of 10◦ with respect to the flat roof while traveling at a speed of 5.6 m/s. The

asked by Anonymous on December 4, 2016
78. ## Physics

A baggage carousel at an airport is rotating with an angular speed of 0.397 rad/s when the baggage begins to be loaded onto it. The moment of inertia of the carousel is 2440 kg·m2. Ten pieces of baggage with an average mass of 16.5 kg each are dropped

asked by Ben on January 27, 2014
79. ## physics

Oxygen diffuses from the surface of insects to the interior through tiny tubes called tracheae. An average trachea is about 2mm long and has cross-sectional area of 2×10−9m^2. Assuming the concentration of oxygen inside is half what it is outside in the

asked by Anonymous on May 13, 2014

I need 3 examples of metaphors and personification in the Book I am Regina by Sally M. Keehn Please tell us what you've found, and we'll be glad to critique your answer. I cannot, since I haven't ever read that book, but there are excellent explanations of

asked by ReJeana on April 10, 2007
81. ## Physics

A baggage carousel at an airport is rotating with an angular speed of 0.397 rad/s when the baggage begins to be loaded onto it. The moment of inertia of the carousel is 2440 kg·m2. Ten pieces of baggage with an average mass of 16.5 kg each are dropped

asked by Sam on January 27, 2014
82. ## math

three of these puzzles have more than one answer. try to find all the possible answers for each puzzle one of these puzzle is impossible. 1.my number is a factor of 20. it's also a factor of 30. 2. my number is a multiple of 10. it's a factor of 45. 3. my

asked by phil on September 11, 2008
83. ## math

Three of these puzzles have more than one answer. Try to find all the possible answers for each puzzle. One of these puzzles is impossible. 1.My number is a factor of 20.It's also a factor of 30. 2.My number is a multiple of 10.It's also a factor 45. 3.My

asked by phil on September 11, 2008

The decay of a certain substance is modeled by the function N(t)=100(3+e^(-t/3), where the number of particles is represented by N in a time of t hours. a) what is the initial number of particles? - I set t as 0 and got an answer of 400 particles initially

asked by Sara on February 13, 2015
85. ## Electric forces

An electron is released above the earth's surface. A second electron directly below it exers just enough of an electric force on the first electron to cancel the gravitational force on it. Find the distance between the two electrons. I thought if I just

asked by Sara on April 11, 2007
86. ## Education

I need help with this assignment or some ideas please, I need to come up with an example of how two domains affect each other like physical, social, and emotional with children. I was trying to figure out how I can give an example of a 2 year old girl

asked by clark on September 1, 2006
87. ## Physics

A military gun is mounted on a railroad car (m = 1500 kg). There is no frictional force on the car, the track is horizontal, and the car is initially at rest. The gun then fires a shell of mass 30 kg with a velocity of 300 m/s at an angle of 40° with

asked by Jessica on April 23, 2016
88. ## math

. A drama club was performed in an auditorium that has a capacity of 540. Students had to pay \$7 a ticket and adults were charged \$10. On opening night, the auditorium was full and they brought in \$4764 in ticket sales. Write a system of equations to model

asked by jordan on December 20, 2015
89. ## physics 211

A deep-sea fisherman struggles to bring in a big salmon (see figure below). Find the force each hand must exert on the pole if the tension in the line is 159 N. Neglect the weight of the pole and assume that the force exerted by the left hand is directed

asked by Laura on April 4, 2011
90. ## Physics

During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 148 N on the wire. The left section of the wire makes an angle of 12°

asked by Don on October 30, 2012
91. ## World history

Why did Europeans sail across the Atlantic Ocean during the Age of Discovery? (Select all that apply.) A.European explorers tried to find oceanic routes to Asia to trade for spices. B.European explorers wanted to gain wealth and notoriety. C.European

asked by Jarod on February 28, 2018
92. ## ARCHIMEDES PRINCIPLE

Using archimedes principle find the depth submerged of a log in water. Diameter 2.3cm radius 1.15cm, mass 37g, length of log 10cm, density of water 1000kg/m^3. Myself I can get to the submereged volume using Fb=Pvg but I don't know an equation for the

asked by Anonymous on December 6, 2016

The vapor pressure of diethyl ether is 463.57 mm Hg at 25 degrees celsius. How many grams of aspirin C9H8O4, a non volatile nonelectrolyte (mw=180.1g/mol), must be added to 216.7g of ether to reduce the vapor pressure to 453.74 mm Hg. Ether=74.12g/mol so I

asked by Hannah on February 19, 2012
94. ## classical mechanic

A small cube of mass m1= 1.0 kg slides down a circular and frictionless track of radius R= 0.4 m cut into a large block of mass m2= 4.0 kg as shown in the figure below. The large block rests on a horizontal and frictionless table. The cube and the block

asked by juanpro on January 10, 2014
95. ## Chemistry 1

You carefully weigh out 17.00g of CaCo3 powder and add it to 68.85g of HCl solution. You notice bubbles as a reaction takes place. You then weigh the resulting solution and find that it has a mass of 78.88g . The relevant equation is CaCo3(s)+ 2HCl(aq)--->

asked by Christy on May 30, 2011
96. ## 11th grade u.s. history

Im doing a project on the 12th amendment but im having a hard time finding the questions ive been working this for like well dis will be my 5th day working on it im not good at finding stuff on the internet anyway i have to find out why was the 12th

asked by A on September 28, 2009
97. ## chemistry

A 8.408 gram sample of an organic compound containing C, H and O is analyzed by combustion analysis and 12.53 grams of CO2 and 3.849 grams of H2O are produced. In a separate experiment, the molar mass is found to be 118.1 g/mol. Determine the empirical

asked by ALAN on February 19, 2017
98. ## physics question

If you are asked to calculate the accleration due to gravity, is that not a trick question? We did an experiment similar to Galileo's (cart down a ramp and measure time, distance, acceleration, and at diferent inclinations)...but if asked to find the

asked by McHelpme-URGENT on September 17, 2007
99. ## math116 appendix e

4. The line represents an estimate of the average cost of gasoline each year. The line estimates the price of gasoline in January of each year (“Consumer price index,” 2006). a. Do you expect the lines to be intersecting, parallel, or perpendicular?

asked by sandy on July 15, 2010
100. ## Math

The bar graph shows the cumulative number of death form AIDS in the US, from 1990 through each of the years 1996-2002. The data in the graph can be modeled by the following polynomials, in which f(x) and g(x) represent the cumulative number of AIDS deaths

asked by Anonymous on May 17, 2012