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2012
April

Questions Asked on April 2, 2012

Can someone please check my answerswhich of the following would always require a citation in a research paper? thesis statenment
1. 18 answers
2. asked by kevin
3. 10,469 views
Two disks are rotating about the same axis. Disk A has a moment of inertia of 4.53 kg·m2 and an angular velocity of +4.55
1. 2 answers
2. asked by Beth
3. 5,875 views
17. <11{6[1(07)71]}> The higher the price of an antique, the greater people’s expectation that the object is rare. That, in
1. 3 answers
2. asked by Heidi
3. 4,230 views
What type of energy from the Sun do plants use to make their own food?A.Chemical Energy B.Sound Energy C.Light Energy D.Heat
1. 6 answers
2. asked by Rezu
3. 3,140 views
Corn is poured through a chute at the rate of 10ft^3 / min and falls in a conical pile whose bottom radius is always half the
1. 2 answers
2. asked by Linda
3. 3,100 views
Calculate the minimum number of moles of Pb(NO3)2 required to start precipitation in 50.0mL of 0.15M ZnI2
1. 5 answers
2. asked by May
3. 2,854 views
The height of a box is 3cm less than the width. The length is 2cm less than the width. The volume is 50cm^3. what is the width
1. 3 answers
2. asked by Caitlin
3. 2,825 views
Thaarugo, inc., produces a GPS device that is becoming popular in parts of scandinavia, When thaarugo produces one of these, a
1. 2 answers
2. asked by farah
3. 2,815 views
The volume of two similar solids is 1331 m3 and 729 m3. The surface area of the larger solid is 605 m2.What is the surface area,
1. 4 answers
2. asked by Anonymous
3. 2,777 views
Determine the value(s) of k such that the area of the parallelogram formed by vectors a = (k+1, 1,-2) and b =(k,3,0) is
1. 1 answer
2. asked by Jake
3. 2,737 views
The force of gravity at Earth's surface on an astronaut is 634N. What is the force of gravity on the same person at each of the
1. 2 answers
2. asked by Melissa
3. 2,656 views
Assume that you’ve worked for the last five years as anadministrative assistant for the Human Resources Department of
1. 5 answers
2. asked by danny
3. 2,365 views
2cos^2 22.5-1 (find exact value)
1. 2 answers
2. asked by kk
3. 2,358 views
I balanced an equation between lead(II) nitrate and potassium sulfate and ended up with:Pb(NO3)2 + K2SO4 --> PbSO4 + 2 KNO3 If
1. 3 answers
2. asked by Nicholas
3. 2,274 views
How many kcal of heat are required to vaporize 25.0kg of water at 100°C?
1. 1 answer
2. asked by Madison
3. 2,251 views
A ray of light traveling in air strikes the surface of a liquid.If the angle of incidence is 33.5◦ and the angle of refraction
1. 5 answers
2. asked by angel
3. 2,249 views
Find the sum of squared deviations, the variance, and the standard deviation of:2,2,0,5,1,4,1,3,0,0,1,4,4,0,1,4,3,4,2,1,0
1. 1 answer
2. asked by John P
3. 2,199 views
Sulfuric acid (H2SO4) is a very strong diprotic acid. If 0.054 moles of sulfuric acid is mixed with water to make 667 milliliter
1. 1 answer
2. asked by Nick
3. 2,185 views
Which of the following equations correspond to the Ka2 for phosphoric acid?note: the double equal sign (==) means equilibrium.
1. 1 answer
2. asked by Hannah
3. 2,116 views
Water boils at sea level at 100 Degrees Celsius. The boiling point of water decreases 5 degrees Celsius for every mile above sea
1. 3 answers
2. asked by Quinton
3. 2,014 views
The Isberg Company just paid a dividend of $0.75 per share, and that dividend is expected to grow at a constant rate of 5.50%
1. 1 answer
2. asked by Caitlin
3. 2,013 views
Which of these energy changes takes place in a solar cell?A.Heat energy to light energy B.Light energy to electrical energy
1. 4 answers
2. asked by Rezu
3. 2,005 views
a stack of firewood has 28 pieces on the bottom row,24 on the top of those,then 20 ,and so on.If there are 108 pieces of
1. 1 answer
2. asked by Anonymous
3. 2,002 views
Molecules that make up matter move constantly.Which of these forms of energy refers to the energy of the moving molecules and
1. 3 answers
2. asked by Rezu
3. 2,000 views
suppose the demand curve for a product is given by Q=10-2P+Ps1,where P is the price of the product and Ps is the price of a
1. 1 answer
2. asked by arep
3. 1,849 views
Letf(x) = (x − 3)−2. Find all values of c in (2, 5) such that f(5) − f(2) = f'(c)(5 − 2). (Enter your answers as a
1. 1 answer
2. asked by Kate
3. 1,732 views
A car misses a turn and sinks into a shallow lake to a depth of 8.9 m. If the area of the car door is 0.51 m2, what is the force
1. 1 answer
2. asked by katie please help:)
3. 1,688 views
The U.S. Department of Agriculture claims that the mean consumption of coffee by the person in the United States is 24.2 gallons
1. 1 answer
2. asked by Mike
3. 1,675 views
The governor is the chief executive officer in the state. Which officer is the chief legal officer in the state?A. secretary of
1. 6 answers
2. asked by Charlette
3. 1,605 views
According to the following reaction, how much energy is evolved during the reaction of 32.5g B2H6 and 72.5g Cl2? The molar mass
1. 1 answer
2. asked by Amanda
3. 1,572 views
The mass of Earth can be calculated using the fact that the weight of an object (in newtons) is equal to the force of gravity
1. 2 answers
2. asked by Melissa
3. 1,554 views
A jetliner has a velocity of 95 m/s. What is the displacement of the jetliner at t=3.0 seconds
1. 2 answers
2. asked by Blue
3. 1,518 views
In which of the following situations would a taxpayer be better off to take the foreign taxes paid as an itemized deduction
1. 1 answer
2. asked by Andy
3. 1,456 views
A ray of light of vacuum wavelength 550 nmtraveling in air enters a slab of transparent material. The incoming ray makes an
1. 1 answer
2. asked by angel
3. 1,425 views
If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what
1. 1 answer
2. asked by Bridget
3. 1,405 views
A calorimeter contains 22.0 mL of water at 14.0 C. When 2.50 g of X (a substance with a molar mass of 66.0 g/mol) is added, it
1. 2 answers
2. asked by Amanda
3. 1,395 views
The sound from a mosquito is produced when it beats its wings at the average rate of 559 wing beats per second. What is the
1. 1 answer
2. asked by Sarah
3. 1,395 views
If a spinner labeled 1-7 was spun 150 times, what is the probability of getting a prime number?
1. 1 answer
2. asked by Colleen
3. 1,335 views
What is the pH of a buffer solution made from 0.20M HC2H3O2 abd 0.5M C2H302^-.The ionization constant of the acid
1. 1 answer
2. asked by lovemore
3. 1,331 views
Need help.... calculate the theorectical yield of the compounds to be prepared in the experiment. The metal ion in both cases is
1. 0 answers
2. asked by Debbie
3. 1,314 views
Sherlock Holmes examines a clue by holdinghis magnifying glass (with a focal length of 29.8 cm) 10.4 cm away from an object.
1. 0 answers
2. asked by angel
3. 1,303 views
the perimeter of a rectangular swimming pool is 40 ft. the length of the pool is 12 ft. what is the area of the pool
1. 3 answers
2. asked by rose
3. 1,293 views
A car misses a turn and sinks into a shallow lake to a depth of 8.9 m. If the area of the car door is 0.51 m2, what is the force
1. 0 answers
2. asked by Katie
3. 1,284 views
A mountain-climber friend with a mass of 82 kg ponders the idea of attaching a helium-filled balloon to himself to effectively
1. 0 answers
2. asked by christy
3. 1,259 views
Val's Food signs a contract to buy 1,500 pounds of basil from Sun Farms, a small organic herb grower, as long as independent
1. 1 answer
2. asked by Hey
3. 1,253 views
April and Joey are both 74 years old and received $1,500 in nontaxable social security benefits. Their AGI for the year was
1. 0 answers
2. asked by Andy
3. 1,237 views
in 10-15 lines critically discuss 5 ways in which the human or problem impacts on the community,about teenage pregnancy.
1. 5 answers
2. asked by koketso
3. 1,234 views
We are finding out what people do for their jobs.My job I got was an Interior Designer and I have to find out more about it but
1. 4 answers
2. asked by Rezu
3. 1,225 views
An object 3.35 cm tall is placed 10.8 cm infront of a mirror, which creates an upright image that is 5.61 cm in height. a) What
1. 0 answers
2. asked by angel
3. 1,211 views
dole pineapple inc. is concerned that the 16 ounce cans are overfilled. assume the standard deviation is .03 onces. a random
1. 1 answer
2. asked by dimitra
3. 1,200 views
find the average molar mass of polyethylene when 4.40 g of the polymer is dissolved in benzene to produce 200.0 mL of solution
1. 2 answers
2. asked by Anonymous
3. 1,188 views
A sandpit in the shape of a rectangular prism has length 7 feet, width 5 feet, and height 1.75 feet. It is filled to the brim
1. 1 answer
2. asked by Jack
3. 1,175 views
The Scottish economist, Adam Smith, wrote The Wealth of Nations in 1776. Which of thr following is the basis for Smith's four
1. 4 answers
2. asked by Charlette
3. 1,172 views
A spacecraft circling the moon at a distance of 384,000 km from theearth communicates by radio with a person on earth. How much
1. 1 answer
2. asked by rahul
3. 1,150 views
The coordinates of the three vertices of a square ABCD are A (-3, 5), B (1, 7), and C (3, 3).What are the coordinates of vertex
1. 0 answers
2. asked by Anonymous
3. 1,115 views
Question 4-6 refer to : 3Ag(s) + 4HNO3(AQ) = 3AGNO3(aq) + NO(g) + 2h2o(l)4. How many moles of NO can be produced by the reaction
1. 1 answer
2. asked by jhong
3. 1,096 views
Kobe is a single dad with two dependent children, Lizzie, age 7 and Leslie, age 3. He has AGI of $51,000 and paid $6,300 to a
1. 1 answer
2. asked by Andy
3. 1,088 views
Redistribution involves: (Points : 1)the exchange of goods between people already associated with each other. the systematic
1. 0 answers
2. asked by kesha
3. 1,088 views
The Missouri Plan calls for the governor to appoint all the judges in a state. Each new judge serves until election time. What
1. 2 answers
2. asked by Charlette
3. 1,086 views
Identify the sources of energy used to power a cell phone and other energies that it can transform into.I put Electrical Energy
1. 2 answers
2. asked by Rezu
3. 1,073 views
Scanlon Inc.'s CFO hired you as a consultant to help her estimate the cost of capital. You have been provided with the following
1. 0 answers
2. asked by Caitlin
3. 1,067 views
What is the wavelength of a radar signal thathas a frequency of 30 GHz? The speed of light is 3 × 10^8 m/s. Answer in units of
1. 2 answers
2. asked by angel
3. 1,063 views
the difference between the length and width of a rectangle is 5 centimeters. what is the length(the longer side) of the
1. 1 answer
2. asked by gen
3. 1,049 views
So if I have two light bulbs with different wattage how could I show what happens to them in series and parallel. The voltage
1. 1 answer
2. asked by Otis
3. 1,043 views
DESCRIPTIVE WRITINGA song or piece of music comes to the radio. Immediately the tune reminds you of a particularly happy or sad
1. 1 answer
2. asked by .zakiyya
3. 1,039 views
evaluate the double integral∫R∫ lny/x dA for the region R is the rectangle defined by 1<x<e^2 and 1<y<e
1. 1 answer
2. asked by maga
3. 1,011 views
Show all work. Find the quotient:6x^3-x^2-7x-9/2x+3
1. 1 answer
2. asked by Ciara
3. 1,004 views
4. A major problem in relations between Israel and the Arab states was thea. resettlement of Palestinian refugees b. failure to
1. 3 answers
2. asked by mysterychicken
3. 976 views
Writeacher, I used one of the website you suggested to me. I made a few changes and I need your revision. In particular question
1. 1 answer
2. asked by Matthew
3. 964 views
What is the value of charge of a body that Carries 20 excess electrons
1. 6 answers
2. asked by denny
3. 955 views
<11{6[1(07)71]}> The higher the price of an antique, the greater people’s expectation that the object is rare. That, in turn,
1. 1 answer
2. asked by Heidi
3. 949 views
Radioactive decay of granite and other rocks in Earth's interior provides sufficient energy to keep the interior molten, to heat
1. 0 answers
2. asked by christy
3. 943 views
Amy needs 5.0 V for some integrated circuit experiments. She uses a 7.0 V battery and two resistors to make a voltage divider.
1. 1 answer
2. asked by Selena
3. 940 views
I have a test tommrrow on the The Human Body and I asked my science teacher if she can post a castle learning assignment about
1. 1 answer
2. asked by Laruen
3. 929 views
The image of a crayon appears to be 20.6 cmbehind the surface of a convex mirror and is 1.64 cm tall. The mirror’s focal
1. 1 answer
2. asked by angel
3. 921 views
1) The Ka for acetic acid is 1.8e-5. What is the pH of a 3.18M solution of this acid?I did 1.8e-5 = x^2/3.18 x=sqrt 1.8e-5 X
1. 1 answer
2. asked by Hannah
3. 916 views
I need help please??Calculate the empirical formula for a compound composed of 13.27g Carbon and 70.9g sulfur. I got C1S2. Is
1. 1 answer
2. asked by rachell
3. 902 views
Polar Bears are extremely good swimmers and can travel as long as 10 hours without resting. If a polar bear swims with an
1. 1 answer
2. asked by Desha
3. 892 views
find the average value of the functionf(x,y)=xe^y over the plane region R is the triangle with vertices (0,0), (1,0) and (1,1)
1. 1 answer
2. asked by mabel
3. 882 views
Distinguish between longitudinal and transverse waves. Do all waves fall into one or the other of these categories? If not, give
1. 1 answer
2. asked by Jessica
3. 868 views
How much money must you deposit now at 6% interest compounded quarterly in order to be able to withdraw $5000 at the end of each
1. 1 answer
2. asked by babykate112
3. 867 views
Paul has 3 pieces of rope of length 36cm,40cm,and 48cm respectively. He needs to select 2 out of the 3 pieces and cut them into
1. 2 answers
2. asked by ssssss
3. 850 views
If a spherical ball is enlarged so that its surface area is 9 times greater than its original surface area, then the original
1. 1 answer
2. asked by Anonymous
3. 849 views
Identify and discuss 4 key actions taken by the U.S. Government between 1790 to 1820 that established long term policy in the
1. 1 answer
2. asked by jack
3. 847 views
A 100 kg steam boiler is made of steel and contains 200 kg of water at 5.00°C. How much heat is required to raise the
1. 1 answer
2. asked by Madison
3. 842 views
Estimate the buoyant force that air exerts on you. (To do this, you can estimate your volume by knowing your weight and by
1. 1 answer
2. asked by christy
3. 836 views
how many moles are there in 49gh2 so4?
1. 1 answer
2. asked by deeq
3. 826 views
what amount of energy in calories would it take to bring 20 grams of solid ice at negative twelve degrees celsius to liquid
1. 1 answer
2. asked by Patience
3. 816 views
Donnez des reponses personnelles. (Give your own answers)1. Ce soir tu vas regarder la tele? 2. Tu vas telephoner a un copain ou
1. 1 answer
2. asked by BRITTNAY
3. 793 views
he gaseous reaction depicted below is carried out at constant pressure and an initial temperature of -71°C.The unbalanced
1. 0 answers
2. asked by Anonymous
3. 793 views
6/?=18/?=?/12 (fractions)
1. 2 answers
2. asked by liv
3. 791 views
(1/2)^3(2/3)^4/5/6^3
1. 1 answer
2. asked by sherry
3. 781 views
if a race cars velocity increases from 4 m/s to 36 m/s over a 4 s time interval, it average acceleration would be 10 m/s2.would
1. 6 answers
2. asked by vinn
3. 777 views
Please help!!Given this data: mass of unknown acid 1.4671g Volume of NaOH used in titration 18.47mL Concentration of the NaOH
1. 1 answer
2. asked by Krina
3. 775 views
What is the kinetic and potential energy of a Boeing 747 airliner weighing 2.48 106 N, flying at 268 m/s (i.e., 600 mi/h) at an
1. 1 answer
2. asked by Lisa
3. 774 views
On a perfect fall day, you are hovering at low altitude in a hot-air balloon, accelerated neither upward nor downward. The total
1. 0 answers
2. asked by Kristie
3. 768 views
Jenn's mom bought 3 2/3 pounds of grapes on sunday. jenn ate 1/4 of the grapes before she did her homework. How many pounds did
1. 1 answer
2. asked by strange h.w kid
3. 766 views
what is 5 percent of 40
1. 3 answers
2. asked by liv
3. 765 views
cos(sin^-1 x)=sq rt(1-x^2)prove the identity
1. 1 answer
2. asked by Emily
3. 756 views
Which one of these is a form of stored energy?A. Heat energy B. Light energy C. Electrical energy D. Chemical Energy D?
1. 2 answers
2. asked by Rezu
3. 742 views

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