Questions Asked on
March 22, 2012

chemistry
When the following reaction is balanced in acid solution, the coefficient of H+(aq) will be: Cr2O72(aq) + Sn2+(aq) > Cr3+(aq) + Sn4+(aq)
asked by Becca 
Trig
As you ride a ferris wheel, your distance from the ground varies sinusoidally with time. When the last passenger boards the ferris wheel and the ride starts moving, let your position be modeled by the diagram provided. Let t be the number of seconds that
asked by TRig 
physics
An insulated copper wire is wrapped around an iron nail. The resulting coil of wire consists of 240 turns of wire that cover 1.8 cm of the nail, as shown in the figure . A current of 0.61 A passes through the wire. if the ferromagnetic properties of the
asked by physics im dying 
Integrals/Related Rates(?)/Volume
Fluid is flowing in a tube that has a radius of 3 centimeters. Water is flowing through a circular cross section at a rate of (9r^2) cm/s, where r is the distance from the center of the cross section. What is the total amount of water that flows through
asked by Alex 
Math
For $4.50 a grocer buys a case of fruit which contains 14 dozen. She knows that 4 dozen will spoil before she sells them. At what price per dozen must she sell the good ones to gain 1/3 of the whole cost? is there any quick way to do this question. please
asked by Shani 
algebra
can you check my answers please? What are the first three terms of the sequence: a1 = 3 and an = 2(an1)2? 2, 8, 18 3, 18, 648 3, 32, 50 2, 6, 12, 24 What is the 14th term in the sequence: an = 4n + 13? 43 43 __> 69 69 What is the recursive rule for the
asked by Jennifer 
english
write a story about someone whose plans went horribly wrong
asked by Anonymous 
Math
A hemisphere of radius 7 sits on a horizontal plane. A cylinder stands with its axis vertical, the center of its base at the center of the sphere, and its top circular rim touching the hemisphere. Find the radius and height of the cylinder of maximum
asked by John 
Science
A Fisherman in a row boat notices that one wave crest passes his fishing line ever 5 seconds. He estimates the distance between the crests to be 1.5 meters and that the crests of the waves are about .5 meters above the troughs. Using this data, determining
asked by Sydney 
statistics
If a student takes an exam containing 12 true or false questions. If the student guesses what is the probability that he will get exactly 8 questions right?
asked by Kathy 
math
Find the present value of $30000 due 14 years later at 7.8%, compounded continuously.
asked by rudy 
Chemistry
Both carboxylic acids and phenols react with strong bases to produce _____. gaseous products the conjugate base of the carboxylic acid or phenol a complex with water a stronger acid or phenol
asked by Krystal 
mathematic
A ladder 10 meter long is leaning against a wall. If the top of the ladder is sliding down the wall at 3m/s, how fast is the angle between the top of the ladder and the wall changing when the foot of the ladder is 6 meter away from the wall?
asked by skullhong 
Algebra II
if y varies directly as x, if y=80 when x=32, find x if y=100
asked by Randy 
algebra
What is the sum of the first 19 terms of the series: 63 + 55 + 47 + 39 + 31 + …? I think it is 769.5 is it right?
asked by John 
Math
A box has a bottom with one edge 2 times as long as the other. If the box has no top and the volume is fixed at , what dimensions minimize the surface area?
asked by John 
physics
A spherical Christmas tree ornament is 5.34 cm in diameter. What is the magniﬁcation of the image of an object placed 10.3 cm away from the ornament
asked by amanda and leah 
english 4
Sandy's throw to first base was short. what is the subject and verb etc..
asked by Ellie 
Statistics Question
For a test of Ho: p = 0.5, the z test statistic equals 1.52. Find the pvalue for Ha: p > 0.5.
asked by M 
Math
Larry & Willa are each reading the same book. Larry has read 2/3 of the book. Willa said that she has read 4//6 of the book, so she read more. Is Willa correct? Explain?
asked by Neil 
physics
A battery has an internal resistance of 0.016 and an emf of 9.00 V. What is the maximum current that can be drawn from the battery without the terminal voltage dropping below 8.75 V?
asked by Anonymous 
Math
Solve the equation. Round to the nearest tenth if necessary. x2 = 169
asked by Derwin 
math
Grandpa wants to make a rectangular chicken run. If he bought 12 yards of fence wiring. What is the largest area that he can make?
asked by hannah allen 
maths
John is 3 times as old as Susan now. In 4 years time John will be 18 years older than Susan. Find John's age and Susan;s age now.
asked by xavier 
English ms. sue
ms. sue for my mental illness story i be writing, what narration I use? teacher say i can use same one in yellow wallpaper or come up with own unique style. I not know what be better than firstperson narration? I think of third person narration but i not
asked by Mohammad 
English
No wonder can last more than three days All good things are three are the same statements ? The meaning of proverbs are same. conquer is opposite of overpower 2 submit 3 subject 4 vanquish 5 master . Piteous and pitiable are the same meaning words?
asked by Anonymous 
Chemistry
Can you label all the functional groups of the Sucrose Molecule?
asked by Anne 
physics
Camera lenses are described in terms of their focal length. A 50 mm lens has a focal length of 50 mm. A camera is focused on an object 81 m away using a 88 mm lens. Locate the position of the image. Answer in units of mm
asked by amanda and leah 
physics
A 19.3 gmass of gold in the form of a cube is 1.00 cmlong on each side (somewhat smaller than a sugar cube).What would be the length of the sides of a cube having four times this mass of gold?
asked by jim 
chemistry
how much heat energy is released from cooling 35 grams of steam at 135 degrees celcius down to freezing it to negative 45 degrees celcius?
asked by Anonymous 
Chemistry
When pure sulfuric acid is dissolved in water,heat is evolved.To a calorimeter containing 300g of water at 20degree C,10.65g of sulfuric acid also added at the same temperature.The change in temperature,which was monitored by a digital probe with
asked by Meenaakshi 
Accounting
Problem 95 Warranties Bombeck Company sells a product for $1500. When the customer buys it, Bombeck provides a oneyear warranty Bombeck sold 120 products during 2010. Based on analysis of past warranty records, Bombeck estimates that repairs will average
asked by Lisa 
statistics
In class of 125 students, 70 students passed in Math, 56 students passed in Statistics, and 30 passed in both. The probability that a student selected at random from the class, has passed in only one subject is
asked by Anonymous 
History
Imagine you are living in Los Angeles in 1944 and have just read about the case of Korematsu v. the United States. Write a letter to the editor of the Los Angeles Times telling which opinion in the case (majority or dissenting) you support and explain why.
asked by BreAnne 
Chemistry
You mix 1.00 L of 2.00 M BaCl2 with 1.00 L of 2.00 M AgNO3. What compounds remain in solution, and what are their concentrations?
asked by Alicia 
trig
Solve for theta, giving a general formula for all of the solution: tan(theta)=1 sin(theta/2)=1/2
asked by Help 
math
Draw a quadrangle below.Measure the sides to the nearest 1/2 inch.Write the length next to each side.Find the perimeter.
asked by david 
3 grade english ms sue
GENERALIZE WHEN YOU READ YOU CAN SOMETIMES MAKE A GENERAL STATEMENT ABOUT WHAT YOU HAVE READ. A GENERAL STATEMENT TELLS HOW SOME THINGS ARE MOSTLY ALIKE OR ALL ALIKE. LOOK FOR EXPAMPLES. ASK WHAT THEY HAVE IN COMMON. DIRECTIONSREAD THE FOLLOWING
asked by dw 
math
convert 101101two to a number in base ten.
asked by joseph 
Math
A sphere is inscribed in a right cone. The slant height of the cone = the diameter of the base of cone. If the radius of the sphere is r, find the volume of the cone in terms of r.
asked by Maya 
types of business writing
Memorandum part. Draft an interoffice memorandum to Miriam Hopkins, the Director of Human Resources: A. Assume that you've received confirmation from Jeremy Dittmer for the date, time, and materials needed. The trainer he has assigned is Deb Walker
asked by Shawna 
Physics
1.You are stuck on a cliff and want to know how far to the bottom. You drop a rock and time how long it takes to hit the ground. If the rock takes 10 seconds to hit the ground how high is the cliff? How fast was the rock going to impact? 2. You throw a
asked by Anonymous 
density
which has more density a 50g. ball or an 80g. ball if they have the same volume
asked by gfhgdfg 
Math
A clock was exactly on time at noon on Monday. At 8 Pm. on Tuesday it was 128 seconds slow. At that same rate, how much did it lose in 1/2 hour? Question 2. if carrots are selling at $.0125 a pound, how many pound we can buy for a dollor. Answer 800.
asked by Shani 
physics
A 350g glass beaker contains 500g of water at a temperature of 10.0°C. If 400g of ethyl alcohol at 35°C is subsequently poured into the beaker and the water and alcohol mixture is thoroughly stirred, what is its equilibrium temperature?
asked by Paige 
types of businesss writing
My third piece. Draft an email of at least four complete sentences to Deb Walker, the designated trainer: A. Confirm the arrangements for the seminar providing only the information she needs to arrive at the right place at the right time. B. copy both Mr.
asked by Shawna 
Maths
14 metres of rope costs €9.52. If Joe bought 21 metres, how much change out of €20.00 do Joe get? Is there a shorter way of doing this other than dividing, multiplying and then subtracting?
asked by Richard 
statistics
A random sample of 36 statistics students were asked to add a column of numbers. The amount of time required to compute the sum was recorded for each student. The sample mean time was 54 seconds with a sample standard deviation of 18 seconds. 1. Construct
asked by Maggi 
chemistry
hello i'm doing a redox stoichiometry lab having to do with titration 6H +5H2O2 + 2MnO4  5O2 + 2Mn2+ + 8H2O Why is H2O2 the source of O2 product in this titration?
asked by Jo 
statistics
Calculate the zscore for each set of data. Determine who did better on her respective test, Tonya or Lisa. Student English Test Grade zScore Student Math Test Grade zScore John 82 Jim 81 Julie 88 Jordan 85 Samuel 90 Saye 79 Tonya 86 Lisa 82 Mean 86.50
asked by Anonymous 
math
A bicycle wheel has a diameter of 60 cm. How far would it move if it is rolled through four revolutions
asked by Anonymous 
Science
How many milliliters of water at 20.0 °C are formed in the combustion of 25.0 g of a methanol–propanol mixture that is 62.5% methanol by mass? Assume there is an excess of oxygen available.
asked by Bob 
statistics
The actual amount of potato chips that a filling machine puts into an “8ounce” bag varies from bag to bag. If we consider the amount put into each bag as a random variable having a normal distribution with σ = 0.05 ounce, find the mean such that only
asked by Anonymous 
Chemistry
A 1 kg block of ice, at 0.0 celcius is added to a picnic cooler. How much heat will the ice remove as it melts into water at 0.0celcius?
asked by Laurie 
algebra
Four boys sit down to play a game of marbles. They empty the bag of marbles and divide the marbles among themselves, and they find they have one marble left. A fifth boy comes along and wants to play, so they divide the marbles among all five boys and once
asked by LISA 
PHYSICS(URGENT)
A body of mass 0.5 kg is thrown vertically upwards with a speed of 10 m/s. Determine: a.The initial kinetic energy of the body b.The gain in potential energy when the body has reached its maximum height c.The maximum height reached above the starting
asked by LK 
reading
in "the night the bed fell" how does the fact that all of the character were alseep when thurber's bed fell cause them to act especially starNGELY
asked by Taylor 
physics
An experimental flywheel, used to store energy and replace an automobile engine, is a solid disk of mass 202.0 kg and radius 0.35 m. (a) What is its rotational inertia? (b) When driving at 22.4 m/s (50 mph), the fully energized flywheel is rotating at an
asked by opp 
MaTh AlgeBRA
Type or write the essay question into a Microsoft Word document or on a separate sheet of paper and submit your completed essay to your teacher. Let f(x) = 2x^2 + x  3 and g(x) = x  1. Perform the function operation and then find the domain. f(x)/g(x)
asked by CHEYANNE 
chemistry
Hydorgen peroxide may be prepared by the following reactions: 2NH4HSO4 > H2+(NH4)2S2O8 (NH4)2S2O8+2H2O > 2NH4HSo4+H2O2 What mass of ammonium hydrogen sulfate, Nh4HSo4 is initially required to prepare 2.00 mole of H2O2? What mass of H2O is required?
asked by Megan 
reading
in "the night the bed fell" what is Brigg's crtchet, or peculiar idea
asked by Taylor 
physics
A copper calorimeter of mass ()g contains 380g of a liquid at 12degrees Celsius. A 20W heater is used for 3 minutes to raise the temperature of the liquid and calorimeter to 17 degrees Celsius. The calorimeter has a specific heat capacity of 400 J/K kg
asked by Matteo 
Algebra
The radiator in Natalies car contains 6.3L of antifreeze and water.This mixture is 30% antifreeze.How much of this mixture should she drain and replace with pure antifreeze so that there will be a mixture of 505 antifreeze?
asked by sherry 
math
Suppose $15000 is invested in an account for 6 years. Find the balance in the account if interest is compounded continuously at 6%.
asked by Matt 
physics
Suppose the water waves have a velocity of 1.2m/s and wavelength of 2.4m What is the frequency of the waves?
asked by ******tasha****** 
Chemistry
The Energy from glucose is obtained from the oxidation reaction C6H12O6 + 6O2 > 6CO2 + 6H2O How would a similar reaction look for Sucrose? I am trying to find an equation about how the body uses a compound, in this case sucrose. I'm just not sure how
asked by James 
physics
Phy 124 – Chapter 22 Problems 1. Consider the following. A spot on a boat is 2.5 m above the water, and the light strikes the water at a point that is 8.0 m horizontally displaced from the spotlight. The depth of the water is 4.0 m. Determine the
asked by Simon 
math
how do i solve 3x+2y=40,x+y=18 i would like the work shown.. thanks.
asked by Dennis 
English
You are walking home when you notice signs of a storm gathering around you. Describe what happens and how you feel as you make your way to shelter.(IGCSE LEVEL) Trudging slowly home with my whining younger sister one humid afternoon,after an uneventful
asked by Zakiyya 
College Physics
suppose the two cars are headed in the same direction. A 1200kg car travels at 65 mph and a 1000kg car travels at 75mph. The faster car rearends the slower car and their bumpers catch so that they continue moving after the collision at the same speed. Use
asked by Anonymous 
math
beth walks 2 blocks in 15 minutes . how many blocks would beth walk if she walked at the same rate for an hour?
asked by Tyshae 
calculus
how do I find the equations for the lines tangent to the curve y 4 + x y=  4  x which are parallel to the line y = 2x 32.
asked by Anonymous 
MaTh AlgeBRA
Type or write the essay question into a Microsoft Word document or on a separate sheet of paper and submit your completed essay to your teacher. Let f(x) = 2x^2 + x  3 and g(x) = x  1. Perform the function operation and then find the domain. f(x)/g(x)
asked by CHEYANNE 
math
alex is x years old his sister is 3 years older , togerther their age is 57. what is the equation for this.
asked by chris 
Fundementals in desktop publishing
1: Which of the following are considered errors that should be counted? A. A word with incorrect spacing after it. B. A word with incorrect punctuation. C. An omitted word. D. All of the above. I choose : A.
asked by Sandy 
SCIENCE
A string of length 8 m fixed at both the ends has a tension of 49 N and a mass 0.04 kg. Find the speed of transverse waves on this string.
asked by SANDEEP SINGH 
Math
The scale on a map is 1/4 inch = 25 miles. The Distance Between two cities on the map is 2 and 3/4 inches. What is the Actual Distance , in miles, between the two cities?
asked by Lily 
Economics
I've been picked to ask a presenter in our class about his presentation on Kyoto Protocol. What are some good questions I can ask? One question I think I'll be asking is "Do you think the Protocol is a success? (is it effective)
asked by Steph 
History
Explain what does Robert.e.Lee says to his son in letter.
asked by Jack 
Match Check
if carrots are selling at $.0125 a pound, how many pound we can buy for a dollor. Answer 800 Right ?
asked by Shani 
Math
A company that produces a particular machine component has 3 factories, one each in Buffalo, Detroit, and Pittsburgh. 39% of the components produced come from the Buffalo factory, 36% of the components come from the Detroit factory, and 25% of the
asked by Sammy 
Math Problem
If you are looking at a graph of a quadratic equation, how do you determine where the solution are.
asked by Lavern 
social studies
How did the civil war affect the north? How did it affect the south?
asked by stephanie 
English
Writeacher, I need your help to check a few things. Thank you. 1) At the first time Clare didn't say if she was free, but the next day she confirmed she was able to go to the cinema. (Can you check this sentence for me?) 2) I would like to enrol at the
asked by Matthew 
physic
In an experiment, a mass m = 40 gm, attached to a string wrapped around the axle of a flywheel and starting from rest, falls through a distance of 147 cm in 3.5 seconds. The diameter of the axle of the flywheel is 12 cm What is the acceleration of the mass
asked by ashley 
geometry
rectangle a is similar to smaller rectangle b. the scale factor is 5/3. if the area of rectangle a is 150 square inches, what is the area of rectangle b?
asked by josh 
english
c an you pl explain the word employability correct spelling parts of speech etc
asked by R S Telagathoty 
Trigonometry
express in terms of sine and cosine. a) tan theta/ cot theta i know the answer is sin^2 theta / cos ^2 theta but how do you do it?
asked by Jonathan 
algebra
x squared + 8x + 32 = 11
asked by Linda 
math
Which describes this type of series? 20  18  15  11 … I think it is both arithmetic and geometric
asked by Rocky 
MathCalculus
h(20) = 68 h'(20) = 3 how to find h(22)?
asked by Vania 
Algebra
how do you make this into an equation? whats the x and y intercept? She has two jobs, at her first job she makes $10 per hour, at her second job she makes $12 per hour. last week she made $440.
asked by Julia 
ALGEBRA!!!!
how do you make this into an equation? whats the x and y intercept? She has two jobs, at her first job she makes $10 per hour, at her second job she makes $12 per hour. last week she made $440.
asked by JULIA!!!!!!!!!!!!! 
Algebra
Pepperidge Farm Goldfish is a snackfood for which 40% of its calories come from fat. Rold Gold Pretzels receive 9% of their calories from fat.How many grams of each would be needed to make 620g of a snack mix for which 15% of the calories come from fat?
asked by sherry 
Algebra
Solve using the substitution method. 0.3x+0.2y=5,0.5x+0.4y=11
asked by sherry 
Types of business writing
Here is what I changed ...Working on my next one will post soon....... March 21, 2012 Jeremy Dittmer Employee Relations Specialist Wydade Consulting Services 1918 Church St. Burlington, VT 056720752 RE: Trainer request for hospital seminar Dear Mr.
asked by Shawna 
Revised paragraph of 812 sentences
I have to write these paragraphs for a writing assignment and just wasn't sure is I was doing it right. Need some advice!! ASSIGNMENT: You’ve applied for a specific job in your field of study. The Human Resources Department arranges an interview and
asked by alma 
chemistry
Earl N. Meyer found that it took 26.54 mL of a 0.0100 M KOH solution to reach the equivalence point for the titration of 25.00 mL of HCl. What is the molarity of the HCl?
asked by roger 
Math
In a math class there are 28 students. Each student has a 90% chance of attending any given class and students act independently. What is the probability that tomorrow's class has perfect attendance?
asked by Cortney 
Math
Solve each equation for all real values of x. 7.) 3 cos 2x  5 cos x = 1 8.) 2 sin^2 x5 sin x + 2 = 0 9.)3 sec^2  4 = 0 10.) tan x (tan x1) = 0
asked by Maurice 
Math
A conical paper cup for holding popcorn has a radius of 3 in. and height of 6 in. How much paper, to the nearest square inch, is used to make the cup?
asked by Hanu 
statistics
in a class of 28 students, each student has a 90% chance of attending any given class and student act independently. what is the probability that tomorrow's class has perfect attendance?
asked by Anonymous 
Algebra
Select the set of equations that represents the following situation: Mike invested $434 for one year.He invested part of it at 9% and the rest at 10%.At the end of the tear he earned $40.16 in interest.How much did Mike invest at each rate of interest.?
asked by sherry 
Algebra
Select the set of equtions that represents the following equation.The sum of two numbers is 38, and their difference is 26 more than the smaller number what are the two numbers? a.)x+y=38;yx=x+26 b.)2x=38;61=x+26 2y=38;61=x26 x+y=38;xy=26x
asked by sherry 
Algebra
The point (6,2) lies on the line x8y=22. Determine if this point is a solution of the system. x8y=22,7x+3y=36
asked by sherry 
income tax
can someone please help me with this assignment? I don't know what to do Jeanette owns a rental property that she used for 20 days and rented for 80 days. The rental income was $10,000 and expenses included the following; mortgage interest $2,500; property
asked by Andy 
Algebra
Solve using the elimination method.Show work.If the system has no solution or an infinite number of solutions state this. 7x+8y=51,7x+10y=55
asked by sherry 
Algebra
Solve using the elimination method.Show work.If the system has no solution or an infinite number of solution state ths...5x+4y=16,15x+2y=58
asked by sherry 
English
Can you please help me check these sentences? Thank you. 1) I'd like to make a career as a teacher. I'd like to make money from my hobby. I'd like to earn money by working as a lawyer. 2) I hope the weather will be fine but if there is heavy reain, I'll
asked by Matthew 
Chemistry
pH of 10^3M HAc and 10^2M NH4Cl in aqueous solution?? Do you just figure out each [H+] concentration separately and then add them??
asked by Jason 
Basic Statistics
Historically, the proportion of adults over the age of 24 who smoke has been estimated to be .30. You want to take a sample to estimate the current proportion of adults over the age of 24 who smoke within 3% at 95% accuracy. When you completed the sample
asked by Tammy 
Physics
You throw a baseball straight up at 40 m/s and it reaches its peak after 4.00 seconds. What is its speed when it falls back into your hand? What is its displacement? What distance has it traveled?
asked by Anonymous 
Math
Aubrey's rope is 3 meters long.If she cuts it into 2 equal pieces,how long will each piece be in centimeters? A.300 B.150 C.100 D.50 C? Mr.Wand sells mangos for $1.50 each or $15 per dozen.His prices include tax.What is the greatest number of mangos that
asked by running.from.myself 
English
Could you please check if everything is correct? Thank you. 1) Thank you very much for having your students send email to their Italian partners. 2) Tomorrow I will distribute the emails to my students so that they can start the partnership. 3) Four more
asked by Matthew 
Math
The dimensions of an aquarium are 20 inches long, 14 inches wide, and 18 inches high. If 231 cubic inches of water fill 1 gallon, how many gallons of water are in the aquarium to the nearest gallon?
asked by Cristal perez 
Math
Monique and her family decorated their house for the holidays.The roofline around their house measured 37 yards.When they went to the store,each box of lights contained 25 feet of stringed lights If they buy 5 boxes of lights,will they have enough lights
asked by running.from.myself 
Physics
A car starts from rest and accelerates uniformly to a speed of 50km/h in 18s. If the wheels of the car are 70cm in diameter. Calculate; a.The final angular velocity of the wheels b.angular acceleration
asked by José 
math
Which number represent the smallest .8 5 12 .888 .96For $1.80 2) a grocer buys a case of fruit which contains 12 dozen. She knows that two dozen will spoil before she sells them. At what price per dozen must she sell the good ones to gain 1/3 of the whole
asked by Anonymous 
Math
With a figure with 1 pair of parallel sides and 2 right angles, and the third angle is 52 degrees, what is the measure of the fourth angle?
asked by Bobby Lee 
Math
A clock was exactly on time at noon on Monday. At 8 Pm. on Tuesday it was 128 seconds slow. At that same rate, how much did it lose in 1/2 hour? Question 2. if carrots are selling at $.0125 a pound, how many pound we can buy for a dollor. Answer 800.
asked by Shani 
Probability
7) Suppose that you roll a pair of standard 6sided dice a total of 42 times. What is the probability that you will get a sum of 5 at least four times?
asked by Anne 
Geology/construction
Identify three (3) terms that are used to describe construction status? Help! I don't even understand the point of this question!
asked by Scarlet 
geometry
How do you find the area of a pyrimid?
asked by Morgan 
Math
Monique and her family decorated their house for the holidays.The roofline around their house measured 37 yards.When they went to the store,each box of lights contained 25 feet of stringed lights If they buy 5 boxes of lights,will they have enough lights
asked by running.from.myself 
Math
how do you make this into an equation? whats the x and y intercept? She has two jobs, at her first job she makes $10 per hour, at her second job she makes $12 per hour. last week she made $440.
asked by Julia 
English
show your understanding of literary and nonliterary prose by citing examples and discussing them. 450 words
asked by Ansila 
Geometry
The height of the segment from the apex of the cone to the base is 10 feet. The length of the diameter of the circular base is 4 feet. Calculate the volume
asked by Melissa 
PHYSICS(URGENT)
A particle has a mass of 5kg. It is held at a height of 3 metres above the ground. Find: a.Its potential energy b.It’s kinetic energy when is hits the ground c.The speed with which the particle hits the ground
asked by LK 
English
How do you call the washing podwer for the washing machine? A box of washing powder? Thank you.
asked by Matthew 
physics
Find the density of a 4.2 kg solid cylinder that is 13 cm tall with a radius of 5.0 cm.
asked by jim 
math
4 csc 2x = 2 csc2 x tan x
asked by sheri 
MATHS
pROVE THAT (cotx  tan x)cosx=cosec1x2sinx
asked by DEMA 
English
Question:'I'm young.I want to have fun, not spend my time studying!' What are your views on this statement?  In my opinion,this thought would obviously occur from time to time in the mind of any teenager spending his/her time studying
asked by Parveen 
physics
How might you determine the age of a star from an Earthbased telescope? What measurements might you make?
asked by long 
biology
if i have 1 litter of a 1M solution of HCI, how many grams of NaOH must i add to neutralize the solution and adjust the ph to 7
asked by de 
algebra
The sum of two numbers is 74. The larger number is 3 more than the smaller number. Find the numbers. i need to use substition method
asked by BIBIN 
chemistry
When a 0.5725 g sample of Lysol was titrated with 0.100 M NaOH, an endpoint was obtained at 15.00 mL. What is the percent of HCl in the Lysol sample?
asked by hank 
Calculus
A rectangular prism is defined by vectors (2,0,0) (0,9,6) and (0,0,3). Find the volume.
asked by Melissa 
SpanishSraJMcGin please help ?
I'm so confused with theseplease check them. ¿Estudias algo los sábados? No, no estudio nada los sábados.Do I need the no, no or just one no, estudio? ¿Hablas a francés a veces? No, no hablo nunca a francés. Once again, do I need no, no hablos or
asked by Ellen 
Logarithms
Determine if x=0.6 is a root of 4^(2x)=5
asked by Labz 
Physics
What is the instantaneous speed 3 seconds into the journey of a car traveling at a constant velocity of 10 m/ s?
asked by Anonymous 
Science
What type of signal is measured in a sonar system to determine the depth of the ocean? A. absorption of sound waves by underwater features B. reflection of sound waves by underwater features C. absorption of electromagnet waves by underwater features D.
asked by Dayana 
math
in the dark, veronica turns on a flashlight. what geometric figure is suggested by the bean of light?
asked by omah 
Earth/Space Science
In many ways, the floor of oceans is no better explored than space. Why could discoveries such as life around deepsea hotspots not be investigated until the past few decades?
asked by Carmen 
Math
A sheet music cabinet is 1.4m wide, 45 cm deep and 1.5m high. What is the surface area of the cabinet, not including the open front? Express your answer to the nearest tenth of a square metre.
asked by Hanu 
algebra
mean is 20; 6,22,7,36,x what is the value of x
asked by clara 
POS2041
Why are government policies on immigration so controversial?
asked by CJ 
Chemistry PLEASE HELP!!
energy from glucose is obtained from this equation when it is oxidized in the body C6H12O6 + 6O2 > 6CO2 + 6H2O What is the catalyst in this equation?
asked by Annie 
Trigonometry
Use the basic identities to simplify (1sin^2 theta)/ (csc^2 theta  1)
asked by John Parker 
Embedded System and IC Design.
Write a program, which writes the last two (2) digits of the student ID 1119939 into the 8051 microcontroller’s internal RAM addresses from 40h to 6Fh with the same data. Assume the last two (2) digits of the Stamford student ID(1119939) is a decimal
asked by Emmanuel 
Embedde System and IC Design.
Write a program that will count down from the last (4) digits of the student ID 1119939 until zero. Once completed, the function will reset and count down again. Assume the last two (2) digits of the student ID is a decimal number, and crystal oscillator
asked by Emmanuel 
math
Wow! Exclaimed Sammy. I have reached 47% of my goal! If her goal was 140 points, how many points does she have?
asked by Ele 
algebra
An equation belongs to the same family of graphs as y=3x+5, but it has a y intercept of 7. How could you graph the equation without finding the equation first?
asked by Anonymous 
biology
Name a covalent bond of amylose that can become hydrolyzed? Name a cvalent bond of Casein that can become hydrolyzed?
asked by Ashley 
English
Could you please check these sentences, too? Thank you. That's the man I talked at the conference to. That's the man I talked to at the conference. On the Ten Tors Challenge I'm wearing a yellow Tshirt, black tracksuit pants, and a redandwhite bandanna
asked by Matthew 
Just Curious
what does dhs stand for?
asked by ☻i♥zee☻rfm 
math
Rafael wants to 30 cenyimeters of wood to frame a rectangular photograph. What is the area his photograph could have?
asked by Anonymous 
6th grade english
Which of the following is most likely to be a plot for a fantasy story? a) a pirate ship must sail across the ocean quickly b) a writer discovers an old diary c) an old magic book is stolen from a wizard d) all of the above i need help, i think it could be
asked by ☻i♥zee☻rfm 
physics14
A uniform disk with a mass of 900 g and radius 17.0 cm is rotating on frictionless bearings with an rotational speed of 18.0 Hz when Jill drops a 180g clod of clay on a point 8.70 cm from the center of the disk, where it sticks. What is the new rotational
asked by opp 
Eng.
Given that she previously belonged to high society and that later she had to move to a trailer park, she did not like to mix with the rifraff in the park. What part of speech is GIVEN in this sentence.
asked by Riley 
6th grade english
is indiana jones a mystery story?
asked by ☻i♥zee☻rfm 
physics
A modern sculpture has a large horizontal spring, with a spring constant of 277 N/m, that is attached to a 58.0kg piece of uniform metal at its end and holds the metal at an angle of θ = 48.0° above the horizontal direction. The other end of the metal
asked by opp 
math
Which choice offers the lowest cost per ounce? 6oz for 42 cents? 8oz for 64 cents? or 4oz for 36 cents? This is 5th grade math assignment?
asked by Kamya 
math
alex is x years old his sister is 3 years older , togerther their age is 57. what is the equation for this.
asked by chris 
English/Math
Hello! What does this mean? ...find the lenght of the arc subtended by an angle of measure 2... (I suck at English :) )
asked by DAME 
physics
You are investing an accident in which a vehicle traveling with a horizontal velocity Vo leaves the top of a cliff of height h, and lands a horizontal distance (x) from the base of the cliff. Prove that the relationship between vo and the other variables
asked by Adam 
algebra 1b
How do I work this out 3x/(x^216) can you help
asked by kay 
Calculus please help!!! double integral
Combine the following two integrals into one by sketching the region, then switching the order of integration. (sketch the region) im gonna use the S for integral sign..because idk what else to use. SS6ycos(x^33x)dxdy+SS6ycos(x^33x) And the first
asked by Sean 
Probability
Six marbles are chosen without replacement from a box containing 10 red, 8 blue, and 3 yellow marbles. Let X be the number of blue marbles chosen. a) Find the probability distribution of X. b) Find the mean of the random variable X
asked by Anne 
English
Can you please help me work out phrasal verbs related to work? When do you think will you come ...... to work? What are the possible prepositions? back .... are there others? What about "down"? Can you think of any phrasal verbs used with work (apart from
asked by Matthew 
Math
The dimensions of an aquarium are 20 inches long, 14 inches wide, and 18 inches high. If 231 cubic inches of water fill 1 gallon, how many gallons of water are in the aquarium to the nearest gallon?
asked by Cristal perez 
6th Grade Math
Formulas for a Triangle perimeter a + b + c (add all sides) semiperimeter a + b + c ÷ 2 (add all sides the divide by 2) area base • height ÷ 2 (multiply base by heighth divide by 2) base 2 • area ÷ height (2 by area divide by heighth) height 2
asked by Z}12ih8z12{Z 
Reading
Once upon a time there was a little girl who cried and cried.The little girl dreamed constantly of a special fish.She desired this fish with all her being.The fish was unlike any other fish the girl had seen.It was a huge fish that lept joyously out of the
asked by running.from.myself 
Math
The dimensions of an aquarium are 20 inches long, 14 inches wide, and 18 inches high. If 231 cubic inches of water fill 1 gallon, how many gallons of water are in the aquarium to the nearest gallon?
asked by Cristal perez 
math
given O(0,0) and N(12,0) write an equation in terms of x and y for all points P(x,y) such that segment PO is perpendicular to segment PN. simplify this equation and show that P is on a circle.
asked by tatiana 
algebra
Sara bought some 6penny nails and some 10penny nails at ace hardware. She bought 2 more 6penny nails than she did 10penny nails. She had a total of 8 nails. How many 6penny and 10 penny nails did sara purchase?
asked by John 
Chemistry
I have a project due tomorrow where I have to have a recipe that is made up of three ingredients. Part of the project is to convert each of the ingredients into individual serving sizes. How do I do this?
asked by Anonymous 
English
Thank you very much. I need you to check these sentences. 1) My father took a day off work (not a day off from work) to take me to the seaside. 2) They took 20% off (not "from") the list price. 3) He let the students off with an warning. He let off the
asked by Matthew 
Geometry
The height of the segment from the apex of the pyramid to the base is 10 feet. The length of the diagonal of the square base is 4 feet. Calculate the volume
asked by Melissa 
maths
Resolve 3x/x^2x12 into partial fractions
asked by daka 
algebra 11
At Joseph Middle School, the probability that a boy takes English and Science is 0.087. The probability that a boy takes English is 0.68. What is the probability that a boy takes Science given that the boy is taking English?
asked by Shad 
Algebra I
Please help; explanation provided, too! y=4x^2+x+1
asked by Mariella 
Math
Rectangle side is represented by (2,3) and (6,4). Find the perimeter of rectangle. Do I have to find the magnitude of (2,3) and (6,4) and square root the answer?
asked by Jake 
Res/341
what are the disadvantages of newspaper articles
asked by anita 
math
simplify. 1) 9  3  4 2) 9 + 1 +3 3) 6 + 1 + 3 4) 5 + 4  2 5) 6  5 + 2 6) 9  2 + 5 Help D:
asked by Help! 
History
Explain what does Robert.e.Lee says to his son in letter.
asked by Jack 
Physics
1. How is it that you could list five different speeds you are going at this moment?
asked by Anonymous 
Chemistry honors
You have 2.657 x 10^2 mL of oxygen gas (O2) at 7.02 x 10^2 mm of Hg and 46 oC. What is the mass of the sample in milligrams?
asked by haley 
Physics
Calculate AMA given μk = 0.019 and an angle of 11 degrees.
asked by Chris 
math
simplify. 1) 9  3  4 2) 9 + 1 +3 3) 6 + 1 + 3 4) 5 + 4  2 5) 6  5 + 2 6) 9  2 + 5
asked by Jasmine 
english
its hard to pretend that im ok when im not. deep inside my heart i know that i deserve it as much as they deserve it.
asked by Anonymous 
english
can you help me reconstruct this sentence. its hard to pretend that im ok when im not. deep inside my heart i know that i deserve it as much as they deserve it.
asked by Anonymous 
Algebra
What do I do if a compound inequality contradicts itself? Do I put down empty set, or what?
asked by Benjamin 
statistics
Rootover 5.3 in number line
asked by Anonymous 
statistics
a random variable having a normal distribution with σ = 0.05 ounce, find the mean such that only 1% of the bags contain less than 8 ounces of potato chips.
asked by Anonymous 
math
given a deck of ten cards numbreed one through ten ,whats the probability of selecting an even card, not replacing it in the deck , and then selecting a five
asked by ebony 
Calculus and vectors @ Bob Purs
Rectangle side is represented by (2,3) and (6,4). Find the perimeter of rectangle. Is this correct? (62), 43) sqrt(8^2+1^2) sqrt(65) =8.062257748(2) =16.124?
asked by Jake 
Algebra 2
(4x^34x^2x3)divided by(2x^23)
asked by Nancy 
Statistics
If a researcher were studying the effects of a teaching method on patient learning outcomes, how would the research question need to be worded to use a ttest to test for statistical differences? What would the null and alternative hypotheses be?
asked by Wanda 
physical
5 facts about wounds
asked by Anonymous 
Algebra
A university bookstore recently sold a wirebound graph paper notebook for $1.08, and a college ruled notebook for $3.12.At the start of the spring semester, a combination of 50 of these notebooks were sold for a total of $88.68 .How much of each type were
asked by sherry 
Math
I'm doing logarithms. Solve: 2^(6x1)=28
asked by Henry 
Algebra
Determine whether the point(7,2) is a solution of the system..3x+4y=13,2x+8y=2,by substituting the point into each equation.
asked by sherry 
math
where are the zeros of zeta of s?
asked by steve 
algebra
evaluate the funtions at the specified values of the independent vaiable and simplify f(x)= (x+8)^1/2+2 a. f(1) b. f(x8)
asked by Anonymous 
chemistry
a solution has gluten concentration of 2000ug/mL at 150uL. if 2uLof that solution is taken out what is the quantity of gluten in ppm?
asked by ms 
Math
Showing work, what is 32.4 divide by 1038? :)
asked by Bryan 
Math
Mathew has received $1 the first week, $3 the 2nd week, $5 the 3rd week and so on until he has received a total of $1 000 000. What amount did he receive the last week?
asked by Sim 
Chemistry
How do you convert Ounces to Grams longhand?
asked by Lee 
learning strategies
metacognition refers to
asked by Anonymous 
help ?
Let f(x) = (x − 3)^−2.Find all values of c in (1, 4) such that f(4) − f(1) = f'(c)(4 − 1).(Enter your answers as a commaseparated list. If an answer does not exist, enter DNE.)
asked by Fatih 
Math
The process sends the dust through a heater that raises the temperature to 500 F with an air density of 0.042 lbs./ft3. The velocity pressure of the air moving through the process is 2.7 inches of water. What is the estimated air velocity in the process?
asked by Wezee 
Calculus
Rectangle side is represented by (2,3) and (6,4). Find the perimeter of rectangle. Could someone please help~
asked by Jake 
Chemistry
What is a glucose molecule structure made up of? Is it: oxygen, hydroxl ions, hydrogen ions, and carbon bonds? I'm not good at this, is this even close to being right?
asked by Lex 
English
Which one is correct? You'd better go over your maths notes. You'd better go through your maths notes
asked by Matthew 
conics
given O(0,0) and N(12,0) write an equation in terms of x and y for all points P(x,y) such that segment PO is perpendicular to segment PN. simplify this equation and show that P is on a circle.
asked by tatiana 
trig
What is cosx=1/2?
asked by Jaime 
Physics
You throw a plate off your roof with a speed of 10.0 m/s. 4.00 seconds later it hits the ground? How far?
asked by Anonymous 
Calculus
If A=(1,2,4) and Vector A+B =(3,1,2). What is B?
asked by Jake 
English
You are a journalist. Write an article on the subject of young people's interest in computer games. In your article you should:  discuss the positive and negative aspects of playing such games.  Persuade readers to take a balanced view towards the use of
asked by Parveen 
Chemistry
But in the answer options: a) 27.4 kJ b) 72.8 kJ c) 78.4 kJ d) 84.6kJ I attempted this problem in the other way.When using the q =mcdT,I added the mass of both water and sulfuric acid. q = (300g +10.65g)(4.184J/g.K)(6.55C) = 8513.43 J Then, I
asked by Meenaakshi 
Physics
A ball thrown upward at 60.0 m/s has what speed after 5 seconds? What equation do I use?
asked by Anonymous 
math
how do you measure reflex angles?
asked by jdgirl 
algebra
I do not understand this problem: Factor by grouping: 1c+cyy
asked by Jay 
Calculus and vectorsHelp~David
Rectangular prism is defined by vectors (2,0,0)(0,9,5) and (0,0,3). Find the volume. I have done this so far, would anyone please verify this. (2,0,0)(0,9,6) (02, 90, 60) =(2,9,6) (2,9,6)(0,0,3) =(2,9,3) (2)(9)(3)=54 cm^3 Therefore volume is 54
asked by Jake 
spanish time
im confused on saying 7:20 in spanish
asked by ????? 
organizational communication
How can the Johari Window help people understand their selfperception and the perception others have of them?
asked by Anonymous 
math
Jada's house is 8 blocks from school. How many blocks does she ride her bike TO AND FROM school in 5 days? Explain how you found your answer
asked by taylor 
chem
If the pressure of the original doubles does that mean the original will decrease by 1/2? Because pressure and volume are inversely proportion to each other?
asked by bkue 
Physics
You throw a plate off your roof with a speed of 10.0 m/s. 4.00 seconds later it hits the ground? How far? What equation do i use? Variables explain!
asked by Anonymous 
Physics
You throw a plate off your roof with a speed of 10.0 m/s. 4.00 seconds later it hits the ground? How far? What equation do i use? Variables explain!
asked by Anonymous 
math
w _ = 6 5 What is the value of w?
asked by taylor 
math
find two rates for each given rate: 1) 18people/12people 2) 1.5 miles/ 2.4 minutes please help sooooo confused
asked by Paula 
Chemistry
So,my second method is correct isn't it? The answer is 78.4kJ?
asked by Meenaakshi 
PSYCHOLOGY
Explain Gray’s model of approach/avoidance motivation. PLEASE HELP!
asked by CHASEONE