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2010
December

Questions Asked on December 4, 2010

Tickets numbered 1 to 1000 were sold in a raffle for which there was one prize. Mr Kahn bought all the tickets containing at
1. 2 answers
2. asked by Paige
3. 3,393 views
Given the reaction 3C(s) + 4H2(g) + 5O2(g) ---> 3CO2(g) + 4H2O(l) ÄH= -2323.7 kJHow much heat would be released when 34.1 g of
1. 3 answers
2. asked by chemistry
3. 654 views
what makes a piano laugh? itsa math riddle
1. 5 answers
2. asked by Anonymous
3. 853 views
eliminate parameter t whenx= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1 so to produce an equation y=f(x).
1. 1 answer
2. asked by Ang
3. 359 views
What is an example of an interquartile range that is equal to the range
1. 1 answer
2. asked by Anonymous
3. 370 views
trying to diagram sentence for Bible class - trying to determine what the modifying phrases are, etc.For the wrath of God is
1. 2 answers
2. asked by PJ
3. 608 views
Bold alleteration
1. 1 answer
2. asked by Anonymous
3. 412 views
You use 11 ml of a 1M H2SO4 solution to titrate 6ml of ammonium hydroxide solution. What was the concentration of the ammonium
1. 1 answer
2. asked by Eddie
3. 471 views
In response to a compliment on his excellent oral presentation, a Japanese business executive replies, "No, it wasn't very
1. 2 answers
2. asked by lisa
3. 487 views
A man is shot in the head, and the bullet stops just outside the dura nater. What is the innermost layer that the bullet has
1. 0 answers
2. asked by betty
3. 430 views
eliminate parameter t whenx= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1 so to produce an equation y=f(x).
1. 0 answers
2. asked by Ang
3. 367 views
eliminate parameter t whenx= ln(sqrt(1+t^2)+t) and y = sqrt(t^2+1 so to produce an equation y=f(x).
1. 0 answers
2. asked by Ang
3. 990 views
How many students must we sample if we want to be within 4% of the true proportion of female students at DeVry University when
1. 0 answers
2. asked by Heather
3. 384 views
Unsuccessful groups are more likely than successful groups to: (Points: 5)pay close attention to how something is said.
1. 4 answers
2. asked by lisa
3. 579 views
I need some help with my history assignment. I need to know what is the difference in modern terrorism and its historical
1. 1 answer
2. asked by Mya
3. 492 views
what mass of mg must you use to make 5.6x10 to the fourth power of mg(OH)2
1. 1 answer
2. asked by Jory
3. 380 views
log (x-9) - 109x=log 19
1. 2 answers
2. asked by andre
3. 411 views
1. A relationship between an employee and a supervisor is aA. horizontal relationship. B. vertical relationship. C. family
1. 3 answers
2. asked by hibo ahmed
3. 1,621 views
a metal stays solid a fahrenheit temperature below 1756.7 degrees. determine (in terms of an inequality) Celsius temperatures
1. 1 answer
2. asked by norma
3. 458 views
(1 pt) Find the unique solution to the differential equationy"?5y'+6y=?312sin(2t) satisfying the initial conditions y(0)=?31 and
1. 0 answers
2. asked by Hannah
3. 586 views
Find the unique solution to the differential equationy"?1y'?6y=?24(t^2)+10t+41 satisfying the initial conditions y(0)=?6 and
1. 0 answers
2. asked by Hannah
3. 432 views
A group of doctors is trying to see if a vaccine causes a certain type of disease. They take individuals with the certain
1. 1 answer
2. asked by Melissa
3. 725 views
calculate the molarity of 70.7g C2H6O in 2.25 L of solution, can someone walk me through this and provide the right answer?
1. 1 answer
2. asked by Jenni
3. 429 views
Is <.0001 significant or insignificant?
1. 1 answer
2. asked by Lucy
3. 370 views
An automobile driver puts on the brakes and decelerates from 30.0 m/s to 0 in 10.0 s. What distance does the car travel?
1. 2 answers
2. asked by Jesse
3. 2,355 views
A large sport utility vehicle has a mass of 2500kg. Calculate the mass of CO2 emitted into the atmosphere upon accelerating the
1. 0 answers
2. asked by Ashley
3. 612 views
Please help, if you can. If you have a Log (x) = -0.123 ..... What does x = ?
1. 2 answers
2. asked by Garrett
3. 423 views
The voltaic cell described by the cell notation has a standard emf (electromotive force) of 0.94 V. Calculate the value (J) for
1. 0 answers
2. asked by Roger
3. 668 views
I'm doing functions, and I need to write an equation that represents the relationship between X and Y.(1,4),(2,7),(3,10),(4,13)
1. 1 answer
2. asked by Michelle
3. 440 views
An aircraft has a lift-off speed of 120 km/hr. What minimum constant accelerationdoes this require if the aircraft is to be
1. 2 answers
2. asked by Jesse
3. 814 views
Match each example to a heat mechanism. Terms may be used more than once.EXAMPLES: A. Water is heated on a stove. B. You feel
1. 4 answers
2. asked by Sydney
3. 642 views
A baseball is released at rest from the top of the washington Monument. It hits the ground after falling for 6.0 s. What was the
1. 3 answers
2. asked by Jesse
3. 3,809 views
Mt. Everest is more than 8,000 m high. How fast would an object be moving if it could free fall to sea level after being
1. 1 answer
2. asked by Jesse
3. 1,496 views
Omar throws a rock down with speed 12 m/s from the top of a tower. The rock hits the ground after 2.0 s. What is the height of
1. 1 answer
2. asked by Jesse
3. 1,366 views
If u reach into a hot oven to remove a pizza, ur arm is not burned by the hot air but would be burned if u touched the pan.
1. 2 answers
2. asked by Sydney
3. 949 views
People often make career changes in their lives. How would the humanistic theory of behavior explain this phenomenon?
1. 2 answers
2. asked by katrina
3. 995 views
The electrochemical cell described by the balanced chemical equation has a standard emf (electromotive force) of -0.35 V.
1. 0 answers
2. asked by Roger
3. 641 views
A plane drops a hamper of medical supplies from a height of 3410 m during a practice run over the ocean. The plane's horizontal
1. 1 answer
2. asked by Anna
3. 562 views
President Bush has stated that if any non-democratic country's people seek freedom, America will stand with them. Freedom and
1. 1 answer
2. asked by Destiny
3. 459 views
A colony of troglodytes has been in a lengthy feud with its neighbors on the adjacent cliff. Colony A finally develops an
1. 0 answers
2. asked by Anna
3. 726 views
what is the molarity of 275mL of a solution containing 23.83 mg of Mg Cl(2)<small 2
1. 1 answer
2. asked by melissa
3. 514 views
A nuclear power plant has an electrical power output of 1200 MW and operates with an efficiency of 31%. If excess energy is
1. 1 answer
2. asked by Chelsea
3. 1,091 views
A nuclear power plant has an electrical power output of 1200 MW and operates with an efficiency of 31%. If excess energy is
1. 0 answers
2. asked by Chelsea
3. 656 views
standard free energy change of -11.70 kJ mol-1. Calculate equilibrium constant for 25 degrees C.I got 7.772..and it's wrong I
1. 2 answers
2. asked by Yoo
3. 442 views
In one cycle a heat engine absorbs 530 J from a high-temperature reservoir and expels 310 J to a low-temperature reservoir. If
1. 1 answer
2. asked by Stefan
3. 1,047 views
The shorter leg of a right triangle is 14 feet shorter than the longer leg. The hypotenuse is 26 feet. How long is each leg?
1. 2 answers
2. asked by Megan
3. 2,930 views
(x+5)(x-3)=9 I am not sure how to work this out?
1. 2 answers
2. asked by Keenan
3. 411 views
Calculate the enthalpy change per gram for the combustion of ethane (C2H6(g)).
1. 1 answer
2. asked by Billy
3. 1,406 views
What is the molarity of ZnCl2 that forms when 30.0g of zinc completely reacts with CuCl2 according to the following reaction?
1. 1 answer
2. asked by Jenni
3. 1,263 views
What characteristic do the numbers 8, 10, 15, 26, and33 have that the numbers 5, 9, 16, 18, and 24 don’t have?
1. 0 answers
2. asked by Anonymous
3. 343 views
Find the percent by mass of sodium chloride in a 1.35 M NaCl solution. The density of the solution is 1.06 g/mL..............how
1. 0 answers
2. asked by Stacy
3. 681 views
a country has 221 mobile cellular telephones per 250 inhabitants. if the country's population is about 2,800 how many mobile
1. 1 answer
2. asked by shannon
3. 428 views
I need help analzying this quote.The fantastic. . . lasts only as long as a certain hesitation. . . [in deciding] whether or not
1. 1 answer
2. asked by Michelle
3. 547 views
A cable is lifting a construction worker and a crate The weights of the worker and crate are 915 and 1430 N, respectively. The
1. 2 answers
2. asked by hy
3. 1,031 views
A water skier has a mass of 73 kg. Find the magnitude of the net force acting on the skier when she lets go of the tow rope and
1. 0 answers
2. asked by hy
3. 908 views
A paraglider is flying horizontally at a constant speed. Assume that only two forces act on it in the vertical direction, its
1. 1 answer
2. asked by hy
3. 1,563 views
Find the center and vertices of the ellipse.4x^2 + 16y^2 - 64x - 32y + 208 = 0
1. 2 answers
2. asked by pat
3. 636 views
A jet plane is flying with a constant speed along a straight line, at an angle of 25.0° above the horizontal, as Figure 4.30a
1. 1 answer
2. asked by angela
3. 905 views
Complete the following probability distribution table and then calculate the stated probabilities.Outcome a b c d e Probability
1. 0 answers
2. asked by Liz
3. 1,251 views
A car is driven 145 km west and then 65 km southwest. What is the displacement of the car from the point of origin (magnitude
1. 5 answers
2. asked by Anonymous
3. 1,412 views
A line in the first quadrant is tangent to the graph of y=1/x^2. How can we minimize the area between the line and the axes?
1. 0 answers
2. asked by Susan
3. 430 views
A ball is attached by two springs as shown in the left figure( |wwOww| ).If the mass is displaced a distance âŠ¿x below the
1. 2 answers
2. asked by Marco Tsang
3. 630 views
The strength of a rectangular beam is proportional to width*depth^2. What are the dimensions of the strongest rectangular beam
1. 1 answer
2. asked by Susan
3. 3,672 views
A car is driven 145 km west and then 65 km southwest. What is the displacement of the car from the point of origin (magnitude
1. 2 answers
2. asked by Anonymous
3. 1,078 views
An airplane is traveling v = 850 km/h in a direction 38.5° west of north (Fig. 3-34).Figure 3-34. (a) Find the components of
1. 2 answers
2. asked by Anonymous
3. 2,034 views
A sharpshooter shoots the bullet horizontally over level ground with a velocity of 300m/s. At the instant that the bullet leaves
1. 4 answers
2. asked by Farah
3. 1,804 views
HOW MANY GRAMS OF SALT ARE REQUIRED TO PREPARE 300 G OF 15% SALT SOLUTION?HOW MANY GRAMS OF WATER ARE NEEDED?
1. 1 answer
2. asked by Anonymous
3. 816 views
a mixture of methane and ethane is stored in a container at 294 mmHg. The gases are burned in air to form co2 and h2o. if the
1. 1 answer
2. asked by maggie
3. 2,690 views
how can we get copolymer from polymer give the reaction condition and how can its possible and the equation for the
1. 1 answer
2. asked by pradee
3. 390 views
What articles would you recommend for a project where I must connect politics in europe to the world?
1. 2 answers
2. asked by Christopher
3. 397 views
calculate the normality of a solution prpared by dissolving 220.0 mg of K2Cr2O7 in 100 ml solution that will be used to oxidize
1. 2 answers
2. asked by Anonymous
3. 2,042 views
A star at the edge of the Andromeda galaxy appears to be orbiting the center of that galaxy at the speed of about 200km/s. The
1. 1 answer
2. asked by Farah
3. 675 views
A mobile is constructed from a thin rod of mass 50 g and length 50 cm. Two hanging masses are positioned at each end of the rod.
1. 1 answer
2. asked by Qay
3. 501 views
A solid sphere of radius 3 cm and mass of 100 g rolls down a 30 degree incline from a height of 1 m. A hoop of the same mass and
1. 1 answer
2. asked by Qay
3. 536 views
A phonograph record of radius 6 cm and mass 15 g is rotating with an angular velocity of 33.33 rev/min. A Penny of mass 1 g
1. 1 answer
2. asked by Qay
3. 576 views
i have a home woork i w'ant to writhe evrething abaout the CLOOK the big hand ,the little hand ?
1. 2 answers
2. asked by charelle
3. 422 views
i have a home woork i w'ant to writhe evrething abaout the CLOOK the big hand ,the little hand ?
1. 1 answer
2. asked by charelle
3. 438 views
if the air temperature @ sea level were 23 C what would the air temperature be at a height of 2 km under avg conditions?
1. 3 answers
2. asked by lisa
3. 2,674 views
a fruit is most commonly _______?A. modified root B. a mature female gametophyte c. mature ovary d. a thickened style e.
1. 5 answers
2. asked by milly
3. 1,832 views
A force of 100 N is applied tangentially to a disk of radius 10 cm and mass 0.5 kg. the disk is initially at rest. What is the
1. 1 answer
2. asked by Maa
3. 1,318 views
A constant torque of 20 N.m is applied to a wheel pivoted on a fixed axis. At what rate is power being furnished to the wheel
1. 1 answer
2. asked by Maa
3. 652 views
Find the rotational kinetic energy of the earth about the sun due to its orbit about the sun. The mass of the earth M is 6 x
1. 2 answers
2. asked by Maa
3. 2,157 views
A large wooden wheel of radius R and the moment of inertia I is mounted on an axle so as to rotate freely. A bullet of mass m
1. 1 answer
2. asked by Gee
3. 1,750 views
find the value of (24-16)*8-64/(10-2)+4
1. 1 answer
2. asked by ponnammal
3. 619 views
WHAt do you think of hhs
1. 2 answers
2. asked by Anonymous
3. 298 views
An 90 kg person steps into a car of mass 2600 kg, causing it to sink 2.35 cm on its springs. Assuming no damping, with what
1. 1 answer
2. asked by klk
3. 1,456 views
*Only need input not doing it for me. PLEASEQUESTION: Some hydrocarbon fuels have sulfur present and contribute to air
1. 2 answers
2. asked by Sue
3. 835 views
The mass of a uranium-238 atom is 3.95*10^-25kg. A stationary uranium atom emits an alpha particle with a mass of 6.64*10^-27kg.
1. 1 answer
2. asked by Farah
3. 916 views
What protects whistleblowers from retaliation?What federal law or federal act stands up for them?
1. 1 answer
2. asked by Anonymous
3. 558 views
How would you go about listing all of the integer ratios? I would like to have the integers listed in ascending order by the
1. 2 answers
2. asked by Gray
3. 1,020 views
Car A, with mass of 1735kg, was traveling north at 45.5km/h and car B, with a mass of 2540kg, was traveling west at 37.7km/h
1. 2 answers
2. asked by Farah
3. 1,294 views
Multiplication of fraction21/25*3 8/9
1. 1 answer
2. asked by Asia
3. 425 views
can anyone help
1. 1 answer
2. asked by Asia
3. 311 views
Define and comment on the Marketing Concept.Outline and comment on the role of marketing management within the wider context of
1. 2 answers
2. asked by MariaSavva
3. 479 views
the measures of the angles of a quadrilateral are in the ratio of 1:2:3:4, find the measure of each angle
1. 5 answers
2. asked by Anonymous
3. 1,590 views
bathany has 40 apples write a subtraction story about apples that would require regrouping
1. 2 answers
2. asked by khalid
3. 505 views
Wow there is no one is there to help here
1. 1 answer
2. asked by Asia
3. 395 views
A student flings a 23g ball of putty at a 225g cart sitting on a slanted air track that is 1.5m long. The track is slanted at an
1. 4 answers
2. asked by Farah
3. 1,705 views
Identfing the mixture soil and water
1. 1 answer
2. asked by General lab
3. 334 views
What is the longest wavelength for standing sound waves in a 102.0 cm long tube that is open at both ends?
1. 1 answer
2. asked by Josh
3. 546 views

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