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Questions Asked on December 7, 2009

Naturalists findthat the populations of some kinds of predatory animals vary periodically. Assume that the population of foxes
1. 3 answers
2. asked by Joe
3. 4,846 views
An astronaut whose mass is 80. kg carries an empty oxygen tank with a mass of 10. kg. The astronaut throws the tank away with a
1. 1 answer
2. asked by Cory
3. 2,920 views
If two fair dice are rolled, find the probability of a sum of 6 given that the roll is a "double".How do I do this?
1. 1 answer
2. asked by Brian
3. 2,661 views
how do you figure out how to Balance H2SO4+pb(OH)4=pb(SO4)2=H20
1. 1 answer
2. asked by monique
3. 2,631 views
Need a formula; the product of two consecutive integers is 41 more than their sum. Find the integers.
1. 3 answers
2. asked by Nelson
3. 2,368 views
A 50. kg cart is moving across a frictionless floor at 2.0 m/s. A 70. kg child, riding in the cart, jumps off so that the child
1. 2 answers
2. asked by Cory
3. 2,365 views
What new challenges in collaboration and teamwork does technology present? Provide examples
1. 5 answers
2. asked by Courtney
3. 2,272 views
Given: G = 6.67259 × 10−11 Nm2/kg2Mimas, a moon of Saturn, has an orbital radius of 1.8 × 108 m and an orbital period of
1. 1 answer
2. asked by sharon
3. 2,125 views
An historic lighthouse is 200 yards from a bike path along the edge of a lake. A walk to the lighthouse is 400 yards long. Find
1. 1 answer
2. asked by Victoria
3. 2,050 views
How would we tell a hero story today? What would be the setting, what would the enemy be, and what values would the hero embody?
1. 3 answers
2. asked by Anonymous
3. 1,915 views
Stone Inc. is evaluating a project with an initial cost of $8,450. Cash inflows are expected to be $1,000, $1,000 and $10,000 in
1. 1 answer
2. asked by Anonymous
3. 1,677 views
1. Hopkins’s use of “seared,” “bleared,” and “smeared” is anexample of A. metaphor. C. simile. B. assonance. D.
1. 12 answers
2. asked by Ari
3. 1,612 views
What collaboration techniques may facilitate collaboration? What technologies may aid collaboration? Provide examples.
1. 1 answer
2. asked by Courtney
3. 1,582 views
Adult tickets for a play cost $19 and child tickets cost $17. If there were 36 people at a performance and the theatre collected
1. 2 answers
2. asked by liz
3. 1,571 views
which do you think would be more dangerous near an open flame, an ionic or covalent compound?
1. 6 answers
2. asked by maria
3. 1,452 views
One end of a copper rod is immersed in boiling water at 100 degrees celsius and the other end in an ice-water mixture at 0
1. 0 answers
2. asked by Amanda
3. 1,399 views
a 15-kilogram box is dragged up an incline that is 8.0 meters long and makes an angle of 15 degrees with the horizontal. If the
1. 2 answers
2. asked by JC
3. 1,362 views
Express the integrals as the sum of partial fractions and evaluate the integral:(integral of) (x^2)dx/(x-1)(x^2 +2x+1) My work:
1. 1 answer
2. asked by Jenna
3. 1,356 views
A space habitat is designed so that the variation in g between a person's head and feet is less than 0.01 g If the person is 2 m
1. 2 answers
2. asked by bubs
3. 1,354 views
The ideas of Enlightenment philosphers John Locke and Jean-Jacques Rousseau laid the foundations for modern Western democratic
1. 1 answer
2. asked by Anonomous
3. 1,351 views
An insulated beaker with negligible mass contains liquid water with a mass of 0.255{kg} and a temperature of 76.0{C}How much ice
1. 1 answer
2. asked by dan
3. 1,300 views
sec(15[pi])/(8)
1. 1 answer
2. asked by kim
3. 1,260 views
What challenges did the Radical Republicans face during the Reconstruction period?The Radical Republicans fought for political
1. 2 answers
2. asked by B.B.
3. 1,239 views
A 50. kg cart is moving across a frictionless floor at 2.0 m/s. A 70. kg child, riding in the cart, jumps off so that the child
1. 1 answer
2. asked by Cory
3. 1,230 views
Factor completely4a2 - 8a - 5 please help i don't get this at all!!!
1. 2 answers
2. asked by yelenaS
3. 1,217 views
A diver can reduce her moment of inertia by a factor of about 3.5 when changing from the straight position to the tuck position.
1. 2 answers
2. asked by Taylor
3. 1,204 views
Identify areas of vagueness and ambiguity and discuss how you might clarify the e-mail message using the writing principles
1. 1 answer
2. asked by tri
3. 1,177 views
n=97,x=46;98% confidence
1. 1 answer
2. asked by audrey
3. 1,138 views
7. A 2000.0 kg boulder sits on the top of a 50.0 m cliff. As the boulder rolls off, it loses 3.0% of its mechanical energy as
1. 1 answer
2. asked by henry
3. 1,138 views
Which scale measures the amount of damage after an earthquake?Richter scale Mercalli intensity scale moment magnitude scale
1. 1 answer
2. asked by george
3. 1,118 views
A toy airplane of mass 0.159 kg is tied to the ceiling with a string. The airplane moves in a horizontal circle of radius 2.97
1. 1 answer
2. asked by stacy
3. 1,110 views
A large boulder sits at the top edge of a cliff, this is boulder A. A smaller boulder sits on a ledge half way down the same
1. 2 answers
2. asked by lexie
3. 1,094 views
Mountains produced by tensional stress, like the Teton Range in Wyoming, are called?a)folded mountains b)fault-block mountains
1. 1 answer
2. asked by george
3. 1,088 views
Concidering the amount of energy required to produce animal-based foods and goods, should humans change their habits so they
1. 1 answer
2. asked by Lori
3. 1,078 views
A 0.34 kg pendulum bob is attached to a string 1.2 m long. What is the change in the gravitational potential energy of the
1. 3 answers
2. asked by John
3. 1,066 views
you finish a two-mile walking race in 36.5 minutes. Write an inequality for the average speed of the walkers who finish after
1. 2 answers
2. asked by Auri
3. 1,041 views
What is the lattice energy of NaH? Use the given information below:Heat of formation for NaH = -56.442 kJ/mol Head of
1. 1 answer
2. asked by ChemProblem
3. 1,036 views
Perform long division on the integrand, write the proper fraction as a sum of partial fractions, and evaluate the integral:(inte
1. 1 answer
2. asked by Jenna
3. 1,028 views
Prior to the last weekly payroll period of the calendar year, the cumulative earnings of employees A and B are $99,350 and
1. 1 answer
2. asked by Peaches
3. 1,012 views
How does critical thinking affect you as a reader and writer? How can thinking critically improve your writing?
1. 1 answer
2. asked by tri
3. 1,006 views
y =( (C-A)/2 ) sin( (X - (A - ( (C - A)/2 ) ) )( pi/(C-A) ) ) + (B - ( (B-D)/2 )How do I rearange this for this equation for the
1. 0 answers
2. asked by Jo
3. 999 views
Can someone please help me with this?I need to write a paper as if I was a Radical Republican Senator and representing the
1. 1 answer
2. asked by B.B.
3. 998 views
X-ray pulses from Cygnus X-1, a celestial x-ray source, have been recorded during high- altitude rocket flights. The signals can
1. 1 answer
2. asked by sharon
3. 998 views
what did the electrician say after fixing a light bulb at the top of the empire state building?
1. 9 answers
2. asked by Tatiana
3. 992 views
You are provided with the following transactions that took place during a recent fiscal year.Complete the table indicating
1. 1 answer
2. asked by steven
3. 974 views
Do my answers look correct for these? ThanksCalculate the mass percent of a solution containing 45.6 grams ethanol (C2H6O) in
1. 0 answers
2. asked by Matt
3. 966 views
are age differences fundamentally more important than cohort effects??
1. 2 answers
2. asked by Anonymous
3. 955 views
Mrs. Cason gives her class a spelling quiz every Monday, a math quiz every other Monday and a history quiz every third Monday .
1. 3 answers
2. asked by kelvin
3. 948 views
Hello, I am not sure how to go about solving this equation:The total electrical resistance R of two resistors connected in
1. 2 answers
2. asked by Jon
3. 935 views
Driving in your car with a constant speed of 12 m/s, you encounter a bump in the road that has a circular cross section. If the
1. 2 answers
2. asked by Dave
3. 933 views
who is the odd one out Hayden,Mozart or Beethoven
1. 1 answer
2. asked by ....
3. 930 views
One end of a copper rod is immersed in boiling water at 100 degrees celsius and the other end in an ice-water mixture at 0
1. 0 answers
2. asked by AE
3. 927 views
Which one of the following frequency can set the string into resonant vibration?If a guitar string has a fundamental frequency
1. 2 answers
2. asked by Satej
3. 927 views
what are some barriers teachers face when doing an observation on each child in he class?
1. 1 answer
2. asked by sue
3. 916 views
2) A roller coaster is at the top of a 98.2 m hill and has a mass of 1831.0 kg. It is traveling at a velocity of 23.7 m/s. What
1. 1 answer
2. asked by Mary
3. 904 views
How do I solve Cos(theta)= 3/7 if 0 degrees is less than or equal to theta and theta is less than or equal to 90 degrees?
1. 1 answer
2. asked by john
3. 877 views
Okay so the economy was booming in 1929 stocks were really high but then the stock market suddenly crashed why did that happen?
1. 1 answer
2. asked by Sarah
3. 867 views
A cell has a resting membrane potential of -66 mV and a membrane Cl ion equilibrium potential of -24.0 mVIf a neurotransmitter
1. 0 answers
2. asked by Sean
3. 848 views
what are some advantages and disadvantages of TRICARE?
1. 2 answers
2. asked by Pam
3. 829 views
what is the difference between an irregular verb and a past pariciple?
1. 2 answers
2. asked by Chris
3. 824 views
if im standing 28 meters from a tree....the tree is leaning 7 degrees vertically away from u...the degree of elevation is 26
1. 1 answer
2. asked by josh
3. 820 views
A disk rolls down a slope. It rotational axis is its center of mass. It is rotation at a constant angular speed making 34.0 full
1. 0 answers
2. asked by ami
3. 814 views
Three cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the probability that the second and
1. 1 answer
2. asked by Brian
3. 805 views
I have a 5 page essay for an English Class. We have read Martin Luther King's "letter from Birmingham Jail" and Jonothan
1. 1 answer
2. asked by Kim P.
3. 803 views
In response to my previous question, I tried 115 tan 78.3. But I got -28.1. Is my calculator on the wrong setting or did I type
1. 1 answer
2. asked by Victoria
3. 792 views
what did the donut say to the filling?
1. 2 answers
2. asked by Tatiana
3. 791 views
You push a 320 N trunk up a 20.0° inclined plane at a constant velocity by exerting a 213 N force parallel to the plane's
1. 3 answers
2. asked by Lisa
3. 787 views
The actual span of the base of the dome is 143 feet.1) Use cylindrical coordinates to write the surface of the dome as a
1. 1 answer
2. asked by joe
3. 770 views
Can someone please edit this for me please? thanks so much!Act 5 Scene 2 concludes the Shakespearean play Hamlet. Dilemmas which
1. 2 answers
2. asked by Camille P
3. 769 views
How do you write repeating decimals as fractions?There's directions in my book,but I don't understand it? For example, how would
1. 1 answer
2. asked by lily
3. 766 views
Broad areas of folded rock layers that resemble a bowl turned right-side up are called?a)domes b)basins c)horsts d)monoclines
1. 0 answers
2. asked by george
3. 755 views
I am working on a research paper for a course I am taking through Penn Foster. I have to answer several questions but I don't
1. 1 answer
2. asked by Jamie
3. 754 views
A prep cook spins a salad spinner 25.0 times in 10.0 seconds (at a constant rate) and then stops. The salad spinner rotates 8.00
1. 1 answer
2. asked by ami
3. 751 views
Tara was out selling girl scout cookies. She noticed that the caramel cookies were the most popular, with lemon cookies being
1. 1 answer
2. asked by afo
3. 744 views
A car weighing 1.1*10^4 N is parked on a 35 degree slope.Find the force tending to cause the car to roll down the hill. What is
1. 2 answers
2. asked by Corey
3. 738 views
The roof on a house rises 1.50 m over a horizontal diestance of 3.50 m. A 72.9-kg roofer stands on the roof. Is the frictional
1. 2 answers
2. asked by Corey
3. 736 views
Mrs. Cason gives her class a spelling quiz every Monday,and a history quiz every third Monday . Sally smarty is in Mrs. Carson's
1. 1 answer
2. asked by kelvin
3. 734 views
Ok, so for the assignment I posted earlier: journal response on a person who seems ill-suited to his or her job for Cause and
1. 7 answers
2. asked by y912f
3. 730 views
A baby carriage is sitting at the top of a hill that is 22.1 m high. The carriage with the baby weighs 15.8 N. What is the Ep
1. 1 answer
2. asked by Mary
3. 728 views
With the help of three seismograph stations, the epicenter of an earthquake can be located by a process calledconvection
1. 1 answer
2. asked by george
3. 721 views
Tara was out selling girl scout cookies. she noticed that the caramel cookies were the most popular, with lemon cookies being
1. 2 answers
2. asked by afo
3. 707 views
Hi, could anyone help me please, Thank.Gas in a container is at a pressure of 1.3 atm and a volume of 1.0 m3. (a) What is the
1. 4 answers
2. asked by Chan
3. 698 views
I thought phase shift was theta over omega correct???and the period equals two pi over omega 40 min = (2pi)/omega omgea = pi/20
1. 1 answer
2. asked by Joe
3. 696 views
I need to find whether or not the company is making an optimal inout choice.largo publishing house uses 400 printers and 200
1. 1 answer
2. asked by joy
3. 691 views
In The Bell Curve, Richard Herrnstein and Charles Murray argued that the nation cannot come to terms with its massive social
1. 2 answers
2. asked by jenna
3. 688 views
write each of the following in the indicated base.1011two to base ten 1574 to base twelve MCMLIV to base ten
1. 1 answer
2. asked by Debra
3. 684 views
Factor find the zerosx^5-9x^3 Find the quotient and remainder using long division (x^3-x^2-2x+6)/(x-2) Use sythetic division and
1. 1 answer
2. asked by HELpppppppp
3. 676 views
A 23 kg suitcase is being pulled by a handle that is at an angle of 22 degrees above the horizontal. If the normal force exerted
1. 1 answer
2. asked by Corey
3. 668 views
In Charles Dickens' "A Christmas Carol", what was the reason for Marley's jaw dropping when the bandage was removed? (Stave 1)
1. 0 answers
2. asked by Kim
3. 666 views
I am wondering if my work makes sense for the following problem:Warm objects emit electromagnetic radiation in the infra-red
1. 2 answers
2. asked by GenChem
3. 656 views
A flying saucer filled with space aliens landed in my front yard! After the entire crew had filed out of their spaceship, I
1. 6 answers
2. asked by Katherine
3. 654 views
What is the lattice energy of NaH? Use the given information below:Heat of formation for NaH = -56.442 kJ/mol Head of
1. 0 answers
2. asked by LatticeEnergy??
3. 651 views
Solve the triangle. Round to the nearest tenth.B=54deg a=42 c=6.5 1. I found length of b using law of cosine and got 36.2 2.
1. 3 answers
2. asked by Vincent
3. 648 views
So to describe the picture:There is a rope holding up a 2kg block, this 2kg block has a rope attached to it holding another 2 kg
1. 2 answers
2. asked by emm
3. 645 views
• Prepare a 700- to 1,050-word paper in which you define the four functions of management (planning, organizing, leading, and
1. 2 answers
2. asked by Anonymous
3. 644 views
Two dice are rolled. Find the odds that the score on the dice is either 7 or 12
1. 1 answer
2. asked by Jill
3. 638 views
1. I made the boy carry my bag.2. The boy is made to carry my bag. (#2 is the passive voice of #1. By the way why is 'to' added
1. 1 answer
2. asked by rfvv
3. 632 views
How can you use the study techniquesrecommended for your personality type and strongest intelligence(s) to function best in a
1. 2 answers
2. asked by siri
3. 631 views
Factor this expression completely9a4 - b2
1. 1 answer
2. asked by jacob
3. 628 views
There is a great deal of ice floating on the ocean near the north pole. If this ice were to melt due to global warming, what
1. 2 answers
2. asked by Sarah
3. 626 views

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