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July 5, 2015

Search: what do you get if you drop a grand piano down a mine shaft? pg.168

Number of results: 14,080

Math
Roger knows how many keys a piano has. He knows that some of the keys are broken. How can he find the number of keys that work?
January 23, 2013 by Justin

PreCalculus
A piano tuner strikes a tuning fork for note A above middle C and sets in motion vibrations that can be modeled by the equation y = 0.001 sin 880 Pi(T). Find the amplitude and period for the function.
October 15, 2012 by Anonymous

physical science
When a thermometer is placed in a beaker of hot water, why does the mercury level drop, rise? The mercury expands when heated and that forces it from the bulb at the base of the thermometer higher into the capillary. But Why does the mercury Drop First , then rise? If the ...
June 22, 2007 by dave

finite math
2. The Witherspoon Down Company specializes in making down jackets, ski vests, and comforters. The requirements for down and labor and the profits earned are given in the following chart: Down (pounds) Time (labor-hours) Profit ($) Jacket 3 2 6 Vest1 2 1 6 Comforter 4 1 2 ...
April 29, 2012 by cjones

maths --plse help me..
In a pentagon ABCDE, angle B = 168, angle C:angleD = 23:25 and AB//ED. Find angle C and angle D.
December 24, 2012 by Anonymous

Physical Science
I have a really good grade in this class and I need to keep it that way. I am only asking to have my answers checked. I would like to graduate with honors so please help if you can. 1. A car traveling along the highway needs a certain amount of force exerted on it to stop. ...
January 2, 2011 by Toni

Physical Science
I have a really good grade in this class and I need to keep it that way. I am only asking to have my answers checked. I would like to graduate with honors so please help if you can. 1. A car traveling along the highway needs a certain amount of force exerted on it to stop. ...
January 2, 2011 by Toni

spanish
is this right? "¿Qué insturmentos tocan Sara y Jacobo en la banda?" "Tocan _____." a. el piano y el anuario b. el saxofón y la revista c. el contrabajo y la trompeta d. el coro y el trambor C?
April 27, 2009 by spanish

ALGEBRA
Determine the down payment and the amount to be financed for each home described below. (a) $340,340; 10% down The down payment is $ The amount to be financed is $ (b) $870,000; 20% down The down payment is $ The amount to be financed is $
May 27, 2012 by Demie

math
Determine the down payment and the amount to be financed for each home described below. (a) $360,360; 10% down The down payment is $ 1 The amount to be financed is $ 2 (b) $960,000; 20% down The down payment is $ 3 The amount to be financed is $ 4
August 21, 2012 by Anonymous

math
Determine the down payment and the amount to be financed for each home described below. (a) $360,360; 10% down The down payment is $ 1 The amount to be financed is $ 2 (b) $960,000; 20% down The down payment is $ 3 The amount to be financed is $ 4
August 24, 2012 by Anonymous

stats
I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
July 22, 2013 by sandra

physics
A 30kg box of vegetable moves down a 35 degree frictionless inclined. Find the resultant force down the inclined and the acceleration down the inclined
May 14, 2011 by Fate

Chemistry
Please help! A drop of oil (volume 0.05 cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of 40 cm2. Assume that the oil film has a uniform thickness equal to the diameter of an oil molecule. Calculate the diameter ...
February 22, 2007 by Bean

Physics
You are at standing at a window in the University tower that is 42.0 meter above the ground. Your physics professor (who is 2.12 m tall) is walking on the ground below, approaching to tower at a speed of 1.12 m/s. You are holding an egg, which you would like to drop on your ...
March 2, 2014 by Yarielis

vb programing
I need help to create a project for vb auto center from Programming in Visual Basic 2008 Chapter 11 pg 468. Write a project to store vehicle information including model, manufacturer, year, and VIN number. Create a second project that load the data from the file into memory ...
November 16, 2010 by Geri

Statistics
The daily water consumption for an Ohio community is normally distributed with a mean consumption of 750,000 gallons and a standard deviation of 80,000 gallons. The community water system will experience a noticeable drop in water pressure when the daily water consumption ...
October 10, 2011 by Michael

Maths
suppose function f,g,h and l are defined as follow:f(x)=4xsquared-5x+1,g(x)=-1/2x-3,h(x)=squared root(2-x)squared+1/2x,l(x)=square root2-x-3. .write down Df and solve inequality f(x)<0 .write down Dg and solve 4g(x)=8 .write down Dh,Dg+h and solve the (g+h)(x)=0 .write down...
June 6, 2011 by Joel

Math
Jerrod started saving money in his piggy bank. The first 2 months he saved $56. After 6 months he had saved $168. What is the depends on statement in this problem?
October 17, 2012 by HELPP!!

Science
A drop of oil (volume 0.05cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of "40cm2". Assume that the oil film has a uniform thickness equal to the diameter of a oil molecule. Calculate the diameter of an oil ...
March 6, 2007 by Grant

Physics
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge 235 m below. Assume the plane is traveling horizontally with a speed of 195 km/h (54.2 m/s). Suppose, instead, that the plane releases the supplies a horizontal distance of 425 m in advance of...
September 17, 2011 by Bridge

science
Who am I? My properties are very similar to those of sodium, I am lighter than the element that has an atomic number one less than mine...Help me please...
February 19, 2011 by mary k.

english
LANG-415.Mine exploded.Determine whether the sentence is ambigious or vague and explain the ambiguity or vagueness as appropriate.
February 22, 2011 by Nura

englis
One of the most commonly known_____________ which also happens to be a top favorite of mine is____________. do i need a comma's in this sentence?
February 11, 2013 by jakey

science 207
4. What can be done to prevent mine drainage from damaging the ecosystem? Utilize at least one scholarly resource to support your suggestions.
June 29, 2015 by Lisa

college statistics
I am having a bit of trouble with some of the questions. Some of the ones I put below have an answer, is there anyway you can check the answer and help me with the rest I am having trouble with. Your sociology teacher claims that 60 percent of American males are married. You ...
July 18, 2013 by penelope

math
Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game?
October 9, 2009 by Aleah

math
Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game? no
January 17, 2010 by Rmz

Math
Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game.
March 30, 2010 by Mikey

MATH
Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game?
April 1, 2010 by P-Dub

english
what is the adjective in this sentence: the rhythm section of a jazz band usually includes a piano and drums . also could you tell me if it has a proper adjective in it or not CAPITALIZE it if it is ...................please and thank you ttyl .syl.........
January 27, 2009 by kashmira

math-algebra
14. The last term of an arithmetic sequence is 207, the common difference is 3, and the number of terms is 14. What is the first term of the sequence?: A. 165 B. 171 C. 249 D. 168 Please explain. thanks
September 26, 2007 by Anonymous

bus stats
A manufacturing company has 5 identical machines that produce nails. The probability that a machine will break down on any given day is .1. Define a random variable X to be the number of machines that will break down in a day. a. what is the appropriate probability ...
March 25, 2011 by Mich Mich

Physics
The force exerted by the floor of an elevator on the foot of a person standing on it is more than the weight of the person if the elevator is 1.going up and slowing down 2.going up with constant speed 3.going down and speeding up 4.going down and slowing down
November 2, 2012 by Ajai

MATH Prob.
Sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of $400. Was $2 a fair price to pay for a ticket to play this game?
August 11, 2009 by Twg

math
sam bought 1 of 250 tickets selling for $2 in a game with a grand prize of 400 dollars. Was $2 a fair price to pay for a ticket to play this game?
August 19, 2012 by mike

Physics
Gayle runs at a speed of 3.80 m/s and dives on a sled, initially at rest on the top of a frictionless snow covered hill. After she has descended a vertical distance of 5.00 m, her brother, who is initially at rest, hops on her back and together they continue down the hill. ...
October 17, 2010 by A

Physics URGENT!!!
Gayle runs at a speed of 9.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 20.0 m. After she has descended a vertical distance of 4.00 m, her brother, who is initially at rest, hops on her back, and ...
October 17, 2012 by Anonymous

Physics URGENT!!!
Gayle runs at a speed of 9.00 m/s and dives on a sled, initially at rest on the top of a frictionless, snow-covered hill, that has a vertical drop of 20.0 m. After she has descended a vertical distance of 4.00 m, her brother, who is initially at rest, hops on her back, and ...
October 19, 2012 by Anonymous

Algebra
According to the Guiness Book of World Records, the peregrine falcon has a record diving speed of 168 miles per hour. Write the speed in feet per second.
October 15, 2007 by Mary

Science
1. A student lifts his 2.0-kg pet rock 2.8m straight up. He then lets it drop to the ground. Use the Law of Conservation of Energy to calculate how fast the rock will be moving ..... a. half way down b. just before it hits the ground 2. A 65-kg girl is running with a speed of ...
November 19, 2014 by Hershey

Physics
1. A student lifts his 2.0-kg pet rock 2.8m straight up. He then lets it drop to the ground. Use the Law of Conservation of Energy to calculate how fast the rock will be moving ..... a. half way down b. just before it hits the ground 2. A 65-kg girl is running with a speed of ...
November 21, 2014 by Hershey

Physics
1. A model of a helicopter rotor has four blades, each 2.50 m in length from the central shaft to the blade tip and is rotated in a wind tunnel at 1800 rev/min, a. what is the linear speed of the blade tip in m/s? b. what is the radial acceleration of blade tip?
February 15, 2012 by Ryan

chemistry
If the stockroom fails to dry the KHP to remove the waters of hydration, the student's calculated concentration for the standardized base will be (low, high, or unaffected) A drop of NaOH is hanging from the buret tip before the titration of KHP. Once the student begins the ...
April 1, 2008 by Confused

chemistry
If the stockroom fails to dry the KHP to remove the waters of hydration, the student's calculated concentration for the standardized base will be (low, high, or unaffected) A drop of NaOH is hanging from the buret tip before the titration of KHP. Once the student begins the ...
April 18, 2010 by help

Geography
on fur seals Breeding when where what how food chain destription including coping with a harsh environment may be a relivent question to mine I will check
July 25, 2005 by stephanie

physics
A steel wire in a piano has a length of 0.6000 m and a mass of 3.000 10-3 kg. To what tension must this wire be stretched so that the fundamental vibration corresponds to middle C (fC = 261.6 Hz on the chromatic musical scale)?
December 1, 2011 by jim

english
write the dependent clause and the subordinate conjunction 1) If you want to play the piano better (depend),you have to practrice.(subordinate) 2) Justin saved his money (dep) inorder that he could go to college. (sub)
April 26, 2012 by JOSEPH

english
Select the gerund phrase in the sentence below. Then, determine the noun function of the gerund. 1. Water skiing, sailing, and swimming are my favorite summer sports. 2. I enjoy playing the piano.
November 16, 2012 by amber

englsi
My english is very very bad ,please helpm me to fix this paragraph. To catch the king interest, every night she must come up with unique and fresh idea. Mercy and Wisdom is very important elements in her stories and how different characters of the stories succeed to save their...
October 16, 2010 by Anonymous

chemistry
Once the stationary phase is packed in the column, it is important that the solvent level not drop below the upper level of the stationary phase. Why? A. Air molecules are so polar the entire mixture moves completely through the column. B. If the stationary phase dries out, ...
April 12, 2008 by mia

English Riddle
my hands constitute my career. when i was young, i practiced for hours to master the great composers. I decided long ago that "tickling the ivories" would be the key to my success. Who am I? Please help! I came up with "piano" but im not sure...
January 20, 2015 by Mary

Physics Urgent!!
a bungee jumper is falling at a velocity of 2m/s [down] when the bungee cord just starts to stretch. after the cord stretches for 2.5s, the velocity is 11m [down]. assume that the acceleration is at constant. a) what is the acceleration of the jumper? b) what is the total time...
February 22, 2015 by emily

physics
The ability to hear a "pin drop" is the sign of sensitive hearing. Suppose a 0.50 g pin is dropped from a height of 27 cm, and that the pin emits sound for 1.4 s when it lands. Assuming all of the mechanical energy of the pin is converted to sound energy, and that the sound ...
May 26, 2012 by Mike

physics
The ability to hear a "pin drop" is the sign of sensitive hearing. Suppose a 0.40 pin is dropped from a height of 30 , and that the pin emits sound for 1.4 when it lands. Assuming all of the mechanical energy of the pin is converted to sound energy, and that the sound radiates...
May 28, 2012 by JessicaP

5 grade math
ryan practiced piano for 3/10 of an hour and soccor for 1/2 an hour. in simplest form, how long did he practiced altoghter
February 3, 2012 by dk

Physics urgent help have a test!!!
1. a little spider monkey named flo has stolen a bunch of bananas from her older brother Charley and is now running away frm him with the bananas in hand. She sees salvation in a long vine and grabs the bottom, hoping to swing away a) if she has a mass of 5.3kg and the bananas...
April 9, 2011 by deepti

writing
is there another way to rephrase this sentence in a good way. --- All I ever heard about this Grand Canyon thing was that it is piled up with humongous rocks and composed of fossils. thank you!
November 8, 2011 by Sara

Math
Piano lessons cost $30 per lesson. Find ordered pairs that represent the total cost for x number of lessons.
June 15, 2015 by Cordarius

for Aubrey, chart retyped
Make sure your NUM LOCK (top right side of keyboard) is on; then, hold down the ALT key on the bottom left side of your keyboard and press the corresponding numbers (given below) on your number pad at the same time: ACCENTS 7 CORRESPONDING NUMBERS TO HOLD DOWN: à = 133 &#...
January 22, 2007 by SraJMcGin

physics
2) A diving platform or diving tower has three platforms at 10 m, 7.5 m, and 5.0 m. Some students are going to drop or throw straight down identical balls from each platform and they want the balls to reach the water with the same velocity. The ball from the highest platform ...
June 11, 2015 by julio

Barkerville
Would you have preferred to mine or to operate a business that supported the miners, if you had been an inhabitant of Barkerville during its gold rush? I would have chosen to operate my own business to support the miners. By choosing to run my own business, I could help and ...
June 8, 2011 by Emma

physics
1)7Be decays with a half-life of about 53 d. It is produced in the upper atmosphere, and filters down onto the Earth's surface. If a plant leaf is detected to have 300 decays/s of 7Be, how many days do we have to wait for the decay rate to drop to 13.6/s? Do not enter units. ...
April 15, 2008 by Sandhya

math
A class of students do 1 of 4 different after school activities. 1/2 play soccer, 7 take karate, 9 do art or piano. How many students are in the class.
December 19, 2012 by reece

Physics 1
A steel wire in a piano has a length of 0.5000 m and a mass of 3.800 10-3 kg. To what tension must this wire be stretched in order that the fundamental vibration correspond to middle C (fC = 261.6 Hz on the chromatic musical scale)?
May 3, 2013 by Emily

solve
A long distance trucker traveled 168 miles in one direction during a snow storm. The return trip in rainy weather was accomplished at double the speed and took 3 hours less time. What is the speed going?
December 7, 2014 by Anonymous

chem
1.) When determining the melting point it's described in my text as recording 2 points in the melting process. a) when the first drop of liquid is seen b) when all of the compound is liquified and since I have to determine the melting point of sulfanilamide pure and impure (I ...
September 3, 2007 by ~christina~

Derivatives
I have gotten so many different responses from mine on this question Can someone PLEASE write out the steps for me for this. Thanks f'(x)= 2x/(x^2+1) Find the second derivative. I get 4x^3 + x^2- 12x + 1
May 6, 2013 by Alaina

Physical Science
What is the frequency of electromagnetic radiation that has the same wavelength as the sound waves of middle C on a piano? A) 1.1 x108 Hz B) 2.2 x108 Hz C) 4.4 x108 Hz (my answer am I correct) D) 6.6 x108 Hz
October 5, 2011 by Anonymous

Physics
The third floor of a house is 9 m above the street level. How much work (in kJ) is required to lift a 700-kg piano to the third-story level?
July 3, 2012 by Bruin

English
At the school talent show, Tom is doing voices of the formal President. Don is presenting a pansori, a kind of folk play. David and Tony are singing Oh! Susanna to a piano. (Would you check the passage? Correct errors, please.)
April 3, 2013 by rfvv

chemistry
A stock solution containing Mn2+ ions was prepared by dissolving 1.168 g pure manganese metal in nitric acid and diluting to a final volume of 1.000 L. Calculate the concentration of the stock solution.
August 9, 2012 by rachel

What does your overall grade have to be to pass?
I'm in the eighth grade and mine is 64 percent am I passing?
June 5, 2014 by nonononono

Criminal Justice
Based on the evidence presented by the prosecutor and the finding of probable cause that a crime was committed, discuss the purpose of a grand jury issuing a true bill (criminal charge) or not.
January 19, 2015 by kirsten

english
i want to post a story of mine can anyone tell me any website where i can post one.....plz say
October 22, 2008 by Anonymous

6th grade math
1/3p + 7 = 12 - 2/3p what does P equal first check how Avril did it on her question then check mine
March 4, 2010 by Spunky

English
Please write this. Write simile for Valentine's?I give mine teacher.Be nice!
February 11, 2011 by Michaela

math
i have 250 and my brother has 150 find the ratio of my brother money to mine
January 31, 2012 by emma

math HELP PLZ DO MINE
There are 64 kids in the swimming pool there are 8 more girls than boys How many Boys are there?
March 4, 2012 by gabby

Math
Is there a way to get an message or I have to scroll through these Maths to find me because I can't find mine
September 12, 2012 by Pat

physics
A piano tuner hears one beat every 2.8 s when trying to adjust two strings, one of which is sounding 440 Hz, so that they sound the same tone. How far off in frequency is the other string?
February 10, 2010 by DJ

Physics
As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 57.0° north of west with a speed of 40.0 km/h. (Let i hat represent east and j hat represent north.) (a) What is the unit-vector expression for the velocity of the hurricane? It maintains ...
February 2, 2015 by Troy S

PHYICS HELP
While a person is walking, his arms swing through approximately a 45° angle in .530s. As a reasonable approximation, we can assume that the arm moves with constant speed during each swing. A typical arm is 70.0 cm long, measured from the shoulder joint. 1) What is the ...
February 15, 2012 by BoB

math
228 have registered for a sightseeing at the grand canyon. if a tour director can take 35 people on each tour,how many tour directors will be needed to accomadate everyone?
October 2, 2007 by rebeca

math
What is the minimum value of N that will make this statement true: If we pick any N composite numbers from 1 to 1000, then we can find 2 numbers whose greatest common divisor is not 1. Details and assumptions You may use the fact that there are 168 primes from 1 to 1000.
February 13, 2013 by harsh

Science
What is one thing that could happen to an ecosystem (mine is a pond) that would be helpful or beneficial to the ecosystem?
August 30, 2007 by Peyton

BIology
please answer mine ms sue if you can. if not, can you please say you cant
October 28, 2014 by Tevon Pitts

socials--Barkerville the Evolution of a town
Would you have preferred to mine or to operate a business that supported the miners, if you had been an inhabitant of Barkerville during its gold rush? I would have chosen to operate my own business to support the miners. By choosing to run my own business, I could help and ...
June 8, 2011 by Emma

physics
A ski jumper launches from a ski jump that is oriented parallel to a hill. The jump has a vertical drop of 50 m and the coefficient of friction μ between the skier and the jump is 0.05. The launch point is 5 m above the hill and there is a small lip at the bottom of the ...
August 16, 2013 by Anonymous

8th grade
Please Help Me. I'm doing a Science Fair Project, and I need help with finding simmilar experiments to mine. My experiment is: Which saliva is cleaner: Cat, Dog, or Human???
October 28, 2009 by Ben

algebra 1b
to determine the number of deer in a game preserve a conservationist catches 330 deer, tages them and lets them loose later 672 deers are cought 168 of them are tagged how many deer are in the preserve
March 28, 2012 by karon

physical science
A 30.0kg child standing from rest slides down a water slide with a vertical height of 10.0m. What is the childs speed (a)halfway down he slides vertical distance and (b)three-fourths of the way down? (Neglect friction?
November 6, 2012 by marlau

science equations
my grand daughter is having a awful time with this and i can't help her but if you would explain it to me maybe i can help here goes a skier with a mass of 48kg moves with a velocity of 11.45 m/s east. what is the skier's momentum p=mxv.
January 24, 2008 by summer

math!!!!!!!!!!
how would you do this problem with intergers? 30+(-25)+(-15) when I did it I got -10 is that right? try doing it on a calculater i would but i can't find mine. Yes the answer is -10.
September 12, 2006 by Nikki

Sra.JMcGin
Is Spanish your first language? It was mine and my spanish is in need of improvement. However, yours is beautiful;-)
September 7, 2008 by jules

science
is establishing an open pit diamond mine in the far north (tundra) a sustainable or not a sustainable practice?
September 9, 2009 by alex

pHYSICS
Packages dropped by planes in the olden days didn't have onboard guidance or propulsion systems such as are found today. The path of the package was determined by the initial veloctiy (of the person that dropped that the package) and the acceleration due to gravity. If a plane...
September 20, 2007 by McSmarty

micro economics
1) Assume that the gold-mining industry is competitive. a) Illustrate a long-run equilibrium using diagrams for the gold market and for the a representative gold mine. b) Suppose that an increase in jewellery demand induces a a surge for in the demand for gold. Using your ...
April 5, 2012 by Silvia

physics
It is reasonable to assume that the bulk modulus of blood is about the same as that of water (2.20 GPa). As one goes deeper and deeper in the ocean, the pressure increases by 1.0*10^4 Pa for every meter below the surface. If a diver goes down 33.0 m (a bit over 100 ft) in the ...
April 13, 2008 by Erin

Spanish
Can someone please explain to me how to do this: Traduce las frases al espanol, por favor. 1. Don't rent the apartment 2. Don't leave 3. Don't pass the papers 4. Never play the piano 5. Don't visit your grandmother etc.... Please help. I have to do 20 sentences. Thanks.
May 12, 2008 by John

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