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2012
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Questions Asked on November 15, 2012

A soccer ball kicked on a level field has an initial vertical velocity component of 15 meters per second. Assuming the ball
1. 4 answers
2. asked by Shannon
3. 24,082 views
Write the net ionic equation for the reaction of calcium nitrate and sodium phosphate
1. 8 answers
2. asked by Alex
3. 14,511 views
a diver exhales a bubble with a volume of 250 mL at a pressure of 2.4 atm and a temperature of 15 degrees celcius. What is the
1. 4 answers
2. asked by Lauren
3. 13,484 views
The owner of a luxury motor yacht that sails among the 4000 Greek islands charges $960/person/day if exactly 20 people sign up
1. 2 answers
2. asked by Britney
3. 13,189 views
a polynomial equation with rational coefficients has the roots 7+sgrt3, 2-sgrt6 find two additional roots7-sgrt3, 2+sgrt6
1. 25 answers
2. asked by lee
3. 10,074 views
Mrs. Miller sells a house for $179,000. If she earns a commission of 6%, how much money does she earn? Write a proportion and
1. 33 answers
2. asked by Delilah
3. 9,492 views
What is the probability that a randomly selected divisor of 720 is a multiple of 4? Express your answer as a common fraction.
1. 10 answers
2. asked by failureinmath
3. 9,051 views
A researcher used an analysis of variance to compare three treatment conditions witha separate sample of n = 8 participants in
1. 2 answers
2. asked by Robbie
3. 7,717 views
When 50.0mL of 1.20 M of HCl (aq)is combined with 50.0mL of 1.30 M of NaOH (aq) in a coffee-cup calorimeter, the temperature of
1. 3 answers
2. asked by marcus
3. 6,137 views
The table shows the amount of milk that Wisconsin dairy farms produced from 1940 to 1997. Use linear model to estimate milk
1. 1 answer
2. asked by deidra
3. 5,760 views
which polynomial has a graph that passes through the given points?(-3,10),(-1,0),(0,-5),(3,52). y=x^3-4x^2+2x-5 y=x^3+4x^2-2x-5
1. 7 answers
2. asked by deidra
3. 4,700 views
EXERCISE 4.9 (a) Suppose a hockey puck slides down a frictionless ramp with an acceleration of 5.00 m/s2. What angledoes the
1. 2 answers
2. asked by hisham
3. 4,624 views
Which of the following statements best describes the response of finches to drought on the Galapagos Islands?During drought,
1. 6 answers
2. asked by Katt13unknownchika
3. 3,946 views
In the "Methode Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine. The reaction is given below.
1. 5 answers
2. asked by Zachary
3. 3,907 views
At constant pressure and 25 degrees C, what is delta H for the reaction2C2H6(g) + 7O2(g) --yields-- 4CO2(g) + H2O(l) if the
1. 3 answers
2. asked by marcus
3. 3,867 views
I look at a random time of day at a digital clock (that shows times from 1:00 through 12:59). What is the probability that
1. 12 answers
2. asked by bob
3. 3,835 views
1.Rename four-sevenths as a percent. Round to the nearest tenth of a percent if necessary. (1 point) 47% 1.8% 57.1% 28% 2.
1. 29 answers
2. asked by Delilah
3. 3,661 views
A bowl contains only red marbles, blue marbles and green marbles. The probability of selecting a red marble from the bowl is
1. 4 answers
2. asked by chocolateman
3. 3,265 views
a particle starts at time t = 0 and moves along the x - axis so that its position at any time t is greater than or equal to zero
1. 1 answer
2. asked by Joe
3. 3,224 views
it take 1 3/8 yards of material to make one shirt.how many shirts can be made from 16 1/2 yards of material? 1]1 2]3 [ 3] 6 [4]
1. 2 answers
2. asked by hudson
3. 3,120 views
What is the domain ofy = sqrt(5 - x)
1. 3 answers
2. asked by Steph
3. 3,100 views
A total of 504 tickets were sold for the school play. They were either adult tickets or student tickets. The number of student
1. 3 answers
2. asked by Brittany
3. 2,990 views
About 35% of the population has blue eyes (based on a study at Indiana University).a. If someone is randomly selected, what is
1. 2 answers
2. asked by Yolanda
3. 2,983 views
One event A is _________________ of another event B if the probabilty of event A has occurred given event B is the same as the
1. 7 answers
2. asked by John
3. 2,917 views
1.Rename four-sevenths as a percent. Round to the nearest tenth of a percent if necessary. (1 point) 47% 1.8% 57.1% 28% 2.
1. 11 answers
2. asked by Delilah
3. 2,821 views
Barrett Industries invests a large sum of money in R & D; as a result, it retains and reinvests all of its earnings. In other
1. 1 answer
2. asked by Yinka
3. 2,749 views
A researcher uses an analysis of variance to test for mean differences among threetreatment conditions using a sample of n = 8
1. 2 answers
2. asked by Robbie
3. 2,616 views
The question representing the production of tetraphosphorus trisulfide (P4S3), a substance used in some match hears, is 8P4 +
1. 3 answers
2. asked by Montanna
3. 2,538 views
The weekly demand for the Pulsar 25-in. color console television is given by the demand equationp=-0.05x+502 (0(less than or
1. 2 answers
2. asked by Britney
3. 2,515 views
A solution has a pH of 3.90. What is the hydroxide ion concentration? I know that I need to find H30+ first but my teacher
1. 2 answers
2. asked by Chels
3. 2,504 views
in the figure above,about how much did the sales of the product increase from 1979 to 1980? 1] 900 2] 2,500 3] 90,000 4]160,000
1. 9 answers
2. asked by nerline 2
3. 2,418 views
approximately how many times as much money does the smith family spend on miscellaneous item as it spends on utilities? 1] 4 2]
1. 6 answers
2. asked by nerline 2
3. 2,382 views
On a globe of radius 60cm,find the length in cm the parallel of lat 67 degrees N
1. 3 answers
2. asked by adewuyi
3. 2,278 views
a couple goes out to dinner,wchich costs $45.to the nearest dollar,what should they pay in total,if they tip 15% on the bill? 1]
1. 10 answers
2. asked by nelson
3. 2,258 views
consider the following changes at constant temperature & pressureH2O(s) --yields-- H20(l); Delta H1 H2O(l) --yields-- H2O(g);
1. 1 answer
2. asked by marcus
3. 2,090 views
LAST YEAR BOB'S AGE WAS A SQUARE NUMBER AND NEXT YEAR IT WILL BE A CUBE NUMBER. HOW OLD IS BOB NOW ? PLEASE EXPLAIN HOW YOU WORK
1. 4 answers
2. asked by wan
3. 2,029 views
An unknown salt is either NaF, NaCl or NaOCl when 0.050 moles of the salt is dissolved in water to form 0.500 L of solution, the
1. 1 answer
2. asked by Josh G.
3. 1,991 views
A 94.7 g sample of silver (s= 0.237 J/(g x Degree C)), initially at 348.25 Degrees C , is added to an insulated vessel
1. 4 answers
2. asked by marcus
3. 1,920 views
when choosing a name for a child,how could a parent best use this study to help ensure the child's normal social development?
1. 6 answers
2. asked by mirlaine
3. 1,887 views
I was wondering if I could check my answers with someone. I'm a bit confused with interest. I put stars next to the answers I
1. 4 answers
2. asked by Greg
3. 1,872 views
15. Two 5 dm3 flasks are connected by by a narrow tube of negligible volume. Initially the two flasks are both at 27 oC and
1. 2 answers
2. asked by mahatta
3. 1,857 views
A satellite has a mass of 106 kg and is located at 1.96 106 m above the surface of Earth.(a) What is the potential energy
1. 2 answers
2. asked by heather
3. 1,824 views
Two astronauts, each having a mass M are connected by a length of rope of length d have a negligible mass. They are isolated in
1. 2 answers
2. asked by Alphonse
3. 1,819 views
Workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle, as
1. 1 answer
2. asked by Elizabeth
3. 1,799 views
a tank contains helium gas at 490 mmHg, nitrogen gas at 0.75 atm, and neon at 520 torr. What is the total pressure in atm?
1. 2 answers
2. asked by Lauren
3. 1,692 views
A bulletin board is 56 in wide and 36 in high. How many 3 1/2 in columns can be created?
1. 5 answers
2. asked by gary
3. 1,663 views
A charge Q = +4.5 uC is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge
1. 4 answers
2. asked by Kyle
3. 1,650 views
what is the average weekly food expense of the johnson family during a 4-week period in which they spent
1. 4 answers
2. asked by hudson
3. 1,640 views
A wire 4 meters long is cut into two pieces. One piece is bent into a square for a frame for a stained glass ornament, while the
1. 1 answer
2. asked by Bob
3. 1,631 views
Determine the end value of n in a hydrogen atom transition, if the electron starts in n=4 and the atom emits a photo of light
1. 1 answer
2. asked by Danya
3. 1,628 views
A box with an open top has vertical sides, a square bottom, and a volume of 4 cubic meters. If the box has the least possible
1. 1 answer
2. asked by Jim
3. 1,589 views
it takes 37.50 mL of 0.152 M sodium chromate to titrate 25.00 mL of silver nitrate. what is the molarity of the silver nitrate
1. 2 answers
2. asked by Kendra
3. 1,503 views
What is another way to write the expression 44n? 44÷n?
1. 3 answers
2. asked by Joe
3. 1,484 views
a map has the scale of 1 inch =80 miles.what is the actual distance,in miles between two towns that are 4 1/2 inches apart on
1. 2 answers
2. asked by hudson
3. 1,417 views
peggy wants to give piano lesson at her home.she has 10 students per week for a half-hour leson,and 5 students per week for a
1. 2 answers
2. asked by hudson
3. 1,413 views
387,422 round to the nearest thousand124,607 round to the nearest ten thousand 111,022 round to the nearest hundred 276,431
1. 13 answers
2. asked by Lourane
3. 1,411 views
2. A tall volcano, sometimes as high as 10,000 feet, composed of lava, ash, and other volcanic material and that can have
1. 7 answers
2. asked by Jman
3. 1,398 views
How to find moles given oxidation numbers and chemical formula?Trying to do my chemistry lab but i'm super duper stuck. please
1. 2 answers
2. asked by dr bob's number one fan
3. 1,364 views
Two people agree to meet at a coffee shop. They each independently pick a random moment in time between 8 a.m. and 9 a.m. and
1. 3 answers
2. asked by zamanofdoom
3. 1,359 views
Wind farms are a source of renewable energy found around the world. The power P(in kilowatts) generated by a wind turbine varies
1. 1 answer
2. asked by deidra
3. 1,358 views
2. When 0.354 g of an unknown nonelectrolyte compound was dissolved in 12.5 g of benzene a solution was formed that froze at
1. 0 answers
2. asked by Helen
3. 1,344 views
A 2.25 kg ball experiences a net force of 965 N up a ramp. Once the ball reaches the top of the ramp, the force no longer acts.
1. 4 answers
2. asked by Anonymous
3. 1,343 views
The maximum possible efficiency of a heat engine which exhaust its heat at a temperature of 46.0o is 39.0 percent. What is the
1. 1 answer
2. asked by Emma
3. 1,318 views
How much heat (in kJ) is required to warm 12.0g of ice, initially at -12.0C, to steam at 111.0?C The heat capacity of ice is
1. 0 answers
2. asked by NeedHelp
3. 1,305 views
Lead has a density of 1.13 104 kg/m3 at 0°C.(a) What is the density of lead at 86°C? ___kg/m3 (b) Based on your answer to part
1. 0 answers
2. asked by Sarah
3. 1,286 views
A rifle fires a 2.25 10-2-kg pellet straight upward, because the pellet rests on a compressed spring that is released when the
1. 0 answers
2. asked by Jim
3. 1,285 views
Block A of mass 2.0 kg and Block B of 8.0 kg are connected by a spring of spring constant 80 N/m and negligible mass. The system
1. 1 answer
2. asked by Alexa
3. 1,273 views
there are twice as many woman as men in the union at global products altogether 84 workers at the plant are union members.how
1. 7 answers
2. asked by nelson
3. 1,270 views
(a) Calculate the molar mass of the unknown compound. The freezing point of benzene is 5.48°C, and the Kf of benzene is 5.12
1. 3 answers
2. asked by Helen
3. 1,260 views
A certain light truck can go around a flat curve having a radius of 150 m with a maximum speed of 34.0 m/s. With what maximum
1. 1 answer
2. asked by heather
3. 1,250 views
i doing a compare/contrast essay on character h olden frm novel i read and hamlet. for my thematic statement, do i just talk
1. 5 answers
2. asked by Mohammad
3. 1,246 views
Which of the following is NOT true with respect to the properties of probability?0 < x < 1 P(S) = 1, where S is the sample space
1. 2 answers
2. asked by joey
3. 1,241 views
Essential clauses should be set off with commas.A) True B) False My answer is B
1. 1 answer
2. asked by Marie
3. 1,240 views
A rotational axis is directed perpendicular to the plane of a square and is located as shown in the drawing. Two forces, 1 and
1. 0 answers
2. asked by Elizabeth
3. 1,234 views
A restaurant has x number of tables that seat four people and 5 tables which seat two people. The restaurant can seat N number
1. 2 answers
2. asked by Brigette
3. 1,232 views
In a three-channel queuing system, the arrival rate is 1 unit per time period and the service rate is 0.6 unit per time period.
1. 0 answers
2. asked by Ellis
3. 1,220 views
Find the point on the line 1x+7y-4=0 which is closest to the point (-4,-6)
1. 2 answers
2. asked by Bob
3. 1,199 views
Homework - Draw a picture of an atomis there any pictures of an atom I can easily draw, please help
1. 3 answers
2. asked by Laruen
3. 1,194 views
The average amount of time people spend on facebook each day is 71 minutes, with a standard deviation of 4.7 minutes. Are you
1. 1 answer
2. asked by Ashley
3. 1,172 views
what is a quartic function with only the two real zeros givenx=5 and x=1 y=-x^4-6x^3+6x^2-6x+5 y=x^4+6x^3-6x^2-5
1. 0 answers
2. asked by lee
3. 1,163 views
The Trans-Alaskan pipeline is 1300 km long, reaching from Prudhoe Bay to the port of Valdez, and is subject to temperatures
1. 0 answers
2. asked by Sarah
3. 1,161 views
If the time taken to melt 10g of ice at 0 degree Celsius is 1 minute, how long will it take to vaporize 10g of water at 100
1. 2 answers
2. asked by Da S
3. 1,159 views
there are 118 ridges around the edge of a dime. key has $5 in dimes. how many ridges,are there in all of kellys dimes combined?
1. 1 answer
2. asked by stephie 21
3. 1,157 views
A 1,600 kg car is traveling at a speed of 12.5 m/s. What is the kinetic energy of the car?
1. 1 answer
2. asked by austin
3. 1,150 views
One mole of oxygen gas is at a pressure of 5.25 atm and a temperature of 29.5°C.(a) If the gas is heated at constant volume
1. 0 answers
2. asked by Sarah
3. 1,148 views
An airline experiences a no-show rate 6%. What is the maximum number of reservations that it a capacity 160, if it wants the
1. 0 answers
2. asked by Anonymous
3. 1,138 views
Potassium nitrate weighing 15 g was dissolved in water volume of 200 cm3. Calculate the mass fraction of KNO3 in solution.
1. 0 answers
2. asked by michelle
3. 1,137 views
The daily total cost (in dollars) incurred by Trappee and Sons for producing x cases of TexaPep hot sauce is given by the
1. 0 answers
2. asked by Britney
3. 1,132 views
an investor receive a check in the mail that was for 6 percent of the amount invested.if the amount invested was $450,what was
1. 6 answers
2. asked by hudson
3. 1,117 views
Two speakers, A and B, are emitting identical, synchronized (in-phase) sound waves at 240kHz. A person standing a point C hears
1. 0 answers
2. asked by Mike
3. 1,109 views
Arena Distributors is a new company and currently pays no dividends. The company has just reported earnings of $1.5 per share
1. 2 answers
2. asked by Dan
3. 1,100 views
If pH = 6.6, calculate the molar concentration of H^ + (aq) in the solution.
1. 3 answers
2. asked by Josh G.
3. 1,093 views
3. Which of the following physical features are caused by plate tectonics?mountains and volcanoes rift valleys and mid-ocean
1. 7 answers
2. asked by Jman
3. 1,087 views
Before the test, I had a 97 average. I got a 92 on the test. What would my average an my grade be?
1. 3 answers
2. asked by Abril
3. 1,083 views
use transformation to rescue animals, start out at the x. the animal is at the bull's eye (-4,2)translate 1 unit rotate 90
1. 0 answers
2. asked by zane
3. 1,083 views
A 3 cm cube is painted on all its faces.It is then cut into 1 cm cubes.How many cubes will have paint on exactly two faces ?
1. 2 answers
2. asked by wan
3. 1,078 views
A child’s toy consists of plastic attached toa spring. The spring is compressed against the ﬂoor a distance of 2.41 cm, and
1. 0 answers
2. asked by Anonymous
3. 1,068 views
which of the following expressions shows the equation to use in finding the dimensions of a cube n by n by n with a volume of
1. 3 answers
2. asked by nerline 2
3. 1,057 views
i am writing a literary research paper on the book robinson crusoe. my thesis is In "Robinson Crusoe" Daniel Defoe uses the
1. 1 answer
2. asked by hannah
3. 1,050 views
a pound of aluminum may be used to make 29 aluminum cans. there are 240 pounds of aluminum in a 3,000 pound car. how many
1. 3 answers
2. asked by stephie 2
3. 1,047 views

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