Questions Asked on
July 13, 2012

Physics
Find the pressure exerted by a waterbed with dimensions of 2m x 2m which is 30 cm thick. (hint:use density of water)
asked by Fix30 
critical thinking
Could someone double check my answers for me? Thank You! 2.) “Right. George Bush ‘won’ the election in 2000, didn’t he?” the use of quotation marks around “Won” has the effect of a a. Weaseler b. Dysphemism c. downplayer d. rhetorical
asked by Becka 
chemistry
E degrees (V) A galvanic cell based on the following half reaction s Au3+ 3e > Au 1.50 Mg2+ 2e > Mg 2.37 The cell is set up at 25 C with [Mg2+] = 1.00 x 10^5 M The cell potential is observed to be 4.01 V. Calculate the [Au3+] that must be
asked by eric 
College Chemistry
How many grams of steam and iron must react to produce 375g of magnetic iron oxide, Fe3So4
asked by Miguel 
chem 1046
An electrochemical cell is based on these two halfreactions: Ox: Sn(s) → Sn2+(aq, 1.74 M) + 2 e Red: ClO2(g, 0.120 atm) + e → ClO2(aq, 1.44 M) Calculate the cell potential at 25°C E Sn>Sn2+ = .14 E ClO2 = .95
asked by Anonymous 
economics
A copy company wants to expand production. It currently has 20 workers who share eight copiers. Two months ago, the firm added two copiers, and output increased by 100,000 pages per day. One month ago, they added five workers, and productivity also
asked by liz 
algebra 1
Label each statement true or false if false correct the underlined portion.If 45. If this is underlined y+8+2=6,then this not underlined y+8=_+4. Translate and solve. the absolute value of three times a number,n,is greater than 15.
asked by janet 
math
Pick a Card. Mike and dave play the following card game. Mike picks a card from the deck If he selects a heart Dave gives him $5, if not, he gives Dave $2. Determine Mikes's expectation. Determine Daves' expectation Can you help me with this? i have tried
asked by Adie 
chemistry
Consider the galvanic cell constructed from the following metals and their corresponding metal ions: E degrees (V) M^3+^ + 3e^^ > M 0.29 N^2+^ + 2e^^ > N 0.61 calculate the value of K for the cell reaction at 25C
asked by eric 
Math please help with these word problems i have
1. The circumference of a circle is the product of the number π and twice the radius. 2. The area of a square is the square of the length of a side. 3. The perimeter of a square is four times the length of a side. 4. Force equals the product of mass and
asked by Tony 
physics
two forces of 10N and 7N respectively are applied simultaneously to an object . The minimum value of their resultant is, in newtons?
asked by star 
Mte 181
A Grasshopper can jump 19 times his length. If humans were proportional to grasshopper but based on height how far could a 5'9 person jump? Explain.
asked by Nicki 
earth
You are standing on a planet with a radius 10,000kilometers. It's mass is 10^26 kg. What is the planet's escape velocity from where your standing? Ignore rotation of the planet.
asked by Sarah 
Early Childhood Education
According top informationprocessing researchers, the three functions that the brain must complete to process new information are a. identifying, attending, and locating b. focusing, identifying, and learning c. manipulating, mastering, and remembering d.
asked by Lorie 
Statistics
A local fire station receives an average of 0.5 rescue calls per day. Find the probability that on a randomly selected day, the fire station will receive fewer than two calls.
asked by HELP 
accounting
Partners Smith and Jones decide to close their business and share the profits equally. They sell the partnership's noncash assets. The transactions for the sales are below: 1. The merchandise inventory, which cost $45,000, was sold for $38,000. 2. The
asked by working hard 
university of phoenix
if someone scored two standard deviations above the mean on a standard test where the mean =100 and the standard deviation = 15, what is the person's numerical score?
asked by benjamin 
Physics
A sinusoidal wave traveling on a string is moving in the positive xdirection. The wave has a wavelength of 6 m, a frequency of 48 Hz, and an amplitude of 9 cm. What is the wave function for this wave? (Use any variable or symbol stated above as
asked by James 
Physics
The motion of a blockspring system is described by x(t) = A sin(ùt). Find ù, if the potential energy equals the kinetic energy at t = 6.11 s. I'm really not sure how to solve this. It seems that you need more information, either x or A? I appreciate any
asked by Bruce 
physics
proton and electron enters in magnetic field at an angle 30 degree .find the radius and time period in terms of magnetic field
asked by magnetism 
MEDICAL
PO 0V (PF HX/PX SF/MDM
asked by FLORENCE 
Math/calculus
a toy rocket is shot into the air at the top of a building so that its height above the ground t seconds after the rocket is launched is given by the formula h(t)= 3t cubed + 6t squared + 27t feet from liftoff until the rocket crashes into the ground.
asked by lola 
psychology
. Louis discovers that the experiences he has in his developmental psychology class help him to deal with the children he works with at a daycare center. This relationship is best described by Bronfenbrenner's notion of
asked by nahomie 
programing
write a c++ program that prompts user's first name and last name
asked by mann 
Physics
Suppose the slope of a beach underneath the ocean is 20 cm of dropoff for every 1.6 m of horizontal distance. A wave is moving inland, slowing down as it enters shallower water. What is its acceleration when it is 12 m from the shoreline? (Let the +x
asked by Vladimir 
physical science
What is the molecular mass of magnesium chloride,MgCl2?
asked by Tavarus 
Physics
A mass m = 13 kg is connected to two different springs, one on the left and another on the right. It is displaced a distance x to the right from its equilibrium position. (Take k1 = 115 N/m and k2 = 198 N/m.) (a) What is the net force acting on the mass?
asked by Bruce 
science
why will it look blurry when you blow air into the limewater
asked by lim 
statistic
1.The state highway patrol stops every 5th car on highway 210 to check drivers' licenses and registrations. Which sampling technique are they using? systematic sampling chose this one convenience sampling cluster sampling simple random sampling stratified
asked by bria 
Foreign languages
Writeacher, do you know anything about English conversation lessons on Skype? Can you please suggest sites which offer online conversation courses? Thank you for your invaluable help! My sister would like to take onehour conversation lessons every two
asked by John 
Statistics
A local fire station receives an average of 0.5 rescue calls per day. Find the probability that on a randomly selected day, the fire station will receive fewer than two calls. (Round your answer to the nearest thousandth.)
asked by Me 
Physics
The tension in a 2.6mlong, 1.1cmdiameter steel cable (ρ = 7800 kg/m3) is 860 N. What is the fundamental frequency of vibration of the cable? The answer is 6.55 Hz. I know that I'm going to use the formula: f=nsqrt(T/4L^2u) However, I'm not sure how to
asked by James 
chemistry
an aqueous solution of pdcl2 is electrolyzed for 27.4 seconds during this time 0.1064 g of Pd is deposited on the cathode. Calculate the average current used in the electrolysis.
asked by eric 
algebra
A boat is worth $7,000 when it is 5 years old and $2,000 when it is 10 years old. What is the slope intercept equation?
asked by Penny 
computers
How can i tell python to stop printing something after a specific amount of time?
asked by Sally 
statistics
54
asked by vanesa 
algebra
Fun Lanes Bowling charges a fee of $4 to use their shoes and $6 for each game played. Salim wants to figure out how much it will cost him to bowl. Part 1: Write an equation representing this problem. Let x be the number of games bowled, and let y be the
asked by danielle swartz 
Chemistry
I want to make solutions of pH 3.5, 4.5, 6.5, 8.5 and 10.5 from 0.1 M HCl and 0.1 M NaOH. how many ml shall I take from each solution to make these pH levels?
asked by AAA 
statistic
If the total enrollment in LA County Combined schools was 1,583,283 students in 1n 1997, approximately how many of those students were Asian. Other =2.70% White =20.30% Black =11.80% Asian = 8.10% Hispanic 57.10% answer: I multiplied
asked by bria 
Foreign languages
Can you check these sentences, Writaecher? 1) Can you please tell me how far ...... hotel is from the beach? 2) As a matter of fact, I was looking for a hotel on a seafront. Do you think I should opt for the ..... Hotel?
asked by John 
chemistry
Ph of 10^(8)M aqs.h2so4
asked by Aliena 
english
With close reference to the text how successful is the headline in influencing the reader's view of the issue of hang? the title: THE WOMAN WHO HANGS TODAY
asked by maggie 
math
how do I find x, when the base of a triangle is 22ft and the area is 165 sq ft.?
asked by gracie 
algebra
Coco's coffee charges different prices based on the number of pounds purchased. The pricing scale is modeled by the function below, where w is the weight in pounds purchased. Orders placed directly through the Web site are discounted by 1/3, but a shipping
asked by hanna 
College Math
In West Virginia, 100 days of the year (365)have temperatures less than32 degrees Fahrenheir. What (reduced) fraction of the days is that? I'm not sure how to go about finding the answer. Can you please help?
asked by Carol 
Physics (Angular Momentum)
A solid ball of radius 10cm and mas 8kg rolls in the y direction with a speed of 10 m/s At the instant that it is 3m from the origin along the x axis, what is the angular momentum (mag + direction) about its center of mass?
asked by Jennifer 
Math
Thanks for the help with this question.
asked by Carol 
precal
De Moivre’s theorem states, “If z = r(cos u + i sin u), then zn = rn(cos nu + i sin nu).” • Verify de Moivre’s theorem for n = 2. a. Provide a correct proof that includes written justification for each step.
asked by carolyn 
Math
A tuition bill was $4360. If she paid $6052 what's the percentage increase on her tuition. (Could you please show me how you get this answer so I'll have an idea on how to do the others that are similar)
asked by Meredith 
TI 84 Plus
How do i get to the regression equation on the ti84 plus calculator. I am working on a math problem trying to view my equation once i plugged in the data
asked by bria 
Chemistry
Kidney stones are composed of crystals of calcium oxalate, CaC2O4. The solubility of CaC2O4 is 6.7 x 105 g per 100 ml of solution. What is the pH of a saturated solution of calcium oxalate? (Molar masses of Ca, C and O are 40.0 g/mol, 12 g/mol, 16 g/mol
asked by Milana 
trig
establish identity 5csc^2theta3cot^2theta=2csc^2theta+3
asked by Anonymous 
Chemistry
At a depth of 200 meters in Lake Nyos, the pressure of pure CO2, released from a volcanic vent is equal to the water pressure at this depth. P (pascals) = density * g * height. Density= 1000 kg/m^3, g= 9.8m/s^2. Using this Pascal pressure, convert it, and
asked by Anonymous 
math
10^3x+5=100 how do you solve this?
asked by Anonymous 
math problem
I have to find the area of a 14 yd square...the answer is the number plus the units squared
asked by erin 
science
a rubber ball thrown at a height reaches the ground and keeps bouncing for sometime before coming to rest.
asked by lucky 
Met 181
Joe and Peter have 360 day membership to a tennis club. Joe will use it every other day. Peter will use it every third day. They both use the club on day one. How many days total out of 360 will at least one of them use the club. Please explain.
asked by Nicki 
Mte 180
Is a rhombus regular because the sides are congruent is this statement true or false. Explain reasoning,
asked by Nicki 
English
e.g. People were just standing still. (What is the part of speech of 'still' in the sentence? Adverb or adjective?))
asked by rfvv 
English
How can I say this sentence in a different way: 'I recognise that I need to develop the confidence to challenge the practice of colleagues, putting the wellbeing of clients at the forefront of my mind'
asked by Viola 
physics
A car is travelling at 80km/h in east direction , a train is travelling at 50 m/s in north direction then what is the combined velocity of car and train?
asked by priyanka 
science
A car is travelling at 80km/h in east direction , a train is travelling at 50 m/s in north direction then what is the combined velocity of car and train?
asked by priyanka 
precal
Prove sin 1 cos 1 cos sin 0 1. Show each step of your proof. 2. Provide written justification for each step of your proof. C. If you use sources, include all intext citations and references in APA
asked by anoymous 
physics
if the mass of two particals is 2 gms each then when they combine to form a nucleus hw much will be the mass of nucleus ?
asked by star 
physics
of the following the largest quantity is a] 0.047 cm b] 47x104 cm c] 4.7x 104 cm d] 0.00047x10^2 cm e] 0.000047x10^6 cm
asked by star 
economics
Why might management and economic theories not always work in the real world?
asked by liz 
Art
Im suppose to discuss where the linear perspective is coming from and leading toward in two paintings, and I was just wondering what that meant?
asked by Anonymous 
Cda
Two children using finger paints agree to share them. They are engaged in
asked by Cortez 
Math
how do you prove the quadratic equation?
asked by Randy 
history
what is a or the mohawk nation?
asked by Anonymous 
AED
list 3 to 5 factors that define teaching as a professional career
asked by Anonymous 
statistic
age days in hospital 40 11 36 9 30 10 27 5 24 12 a. draw a scatter diagram (completed) b. does there appear to be a correlation between age and number days in the hospital? no Find the r value for this problem to verify your answer? R=.16 c what is the
asked by bria