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Questions Asked on July 27, 2010

if E and F are independent events, find P(F) if P(E)=0.2 and P(E U F)= 0.3
1. 4 answers
2. asked by sha
3. 6,803 views
Explain how the following pieces of evidence supported the continental drift theory.a) matching continental margins b) similar
1. 20 answers
2. asked by Anonymous
3. 4,919 views
A 2500N pile-driver ram falls 10m and drives a post 0.1m into the ground. Find the average impact of force on the ram.
1. 1 answer
2. asked by Jen
3. 4,846 views
I was hoping someone could help me check my answers? This is my last exam and I desperatly need some help to make sure they are
1. 14 answers
2. asked by Criss
3. 2,581 views
A compound on heating gives a crackling sound, a reddish fume, and a gas which relights a glowing splint. the residue is reddish
1. 2 answers
2. asked by David
3. 2,072 views
1.)KMnO4+H2SO4+NaHSO3-->2.)KMnO4+NaOH+NaHSO3--> 3.)KMnO4+NaHSO3----> Write the net ionic equations for the reactions
1. 2 answers
2. asked by jo
3. 1,642 views
Determine the oxidation state of each transition metal in the following cmpds. (a) Na2MoO4 (b) KAuCl4 (c) MgWO4 and (d) Ni(CO)4
1. 2 answers
2. asked by Jin
3. 1,641 views
A water tower sits on top of a hill and supplies water to citizens below. The difference in pressure between the water tower and
1. 1 answer
2. asked by Riley
3. 1,595 views
5.Unless my girlfriend postpones her visit from Calgary, I will not have time to study for my exam.1. Simple Sentence 2.
1. 11 answers
2. asked by Keisha
3. 1,422 views
According to Newton's Third Law, for every action there is an equal an opposite reaction. If the current on the wire is such so
1. 1 answer
2. asked by katie
3. 1,400 views
Lucy is going skin diving to see coral off the coast of Mexico in sea water with a density of 1025 kg/m^3.If she were to hold
1. 2 answers
2. asked by Riley
3. 1,358 views
The magnetic field at the center of a 0.70-cm-diameter loop is 2.4 mT.What is the current in the loop? A long straight wire
1. 0 answers
2. asked by monique
3. 1,311 views
In the poem "The Tortoise in Eternity" by Elinor Wylie in line 1 the phrase "patterned horn" refers to? A. Grass B. Metal C.
1. 3 answers
2. asked by Victoria
3. 1,280 views
A car company says that the mean gas mileage for its luxury sedan is at least 21 miles per gallon. You believe the claim is
1. 1 answer
2. asked by sue
3. 1,265 views
If 5.05mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an
1. 2 answers
2. asked by Ellen
3. 1,254 views
The digits of a two-digit number are reversed. When both these two-digit numbers are added, the result is 88, and when
1. 2 answers
2. asked by M.A.
3. 1,251 views
In the poem Words by Vern Rutsala, line 1 introduces the narrator's sense of? A. Celebration B. Frustration C. Abundance D.
1. 2 answers
2. asked by Victoria
3. 1,248 views
Ethanol isa. soluble in water not soluble in hexane because the OH is polar. b. soluble in hexane but not soluble in water
1. 2 answers
2. asked by Anonymous
3. 1,232 views
If the coefficient of correlation is –0.81, then the percentage of the variation in y that is explained by the regression line
1. 1 answer
2. asked by peter
3. 1,210 views
A salt that could decrease the ionization of HCOl in soln is probablya. NaOH b. NaCl c. NaOCl d. NaH e. none of these how would
1. 1 answer
2. asked by Jin
3. 1,182 views
A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 45°. Part of the beam is
1. 0 answers
2. asked by Alinkashia
3. 1,180 views
In the poem The Tortoise in Eternity by Elinor Wylie, in The first stanza, the narrator's bed is compared to a womb and a? A.
1. 5 answers
2. asked by Victoria
3. 1,180 views
1. The problem statement, all variables and given/known datacos(x) = -2 I was trying to solve that problem ignoring what people
1. 0 answers
2. asked by Kate
3. 1,170 views
1. The problem statement, all variables and given/known datacos(x) = -2 I was trying to solve that problem ignoring what people
1. 1 answer
2. asked by Kate
3. 1,141 views
a corporate software development firm has a staff of online support technicians available 24 hours hours a day. they advertise
1. 1 answer
2. asked by Lilia
3. 1,131 views
The flywheel of a steam engine runs with a constant angular speed of 321 rev/min (in the counterclockwise direction). When steam
1. 1 answer
2. asked by Anna
3. 1,123 views
Democracy is a noble goal; it is important, however, to protect the minority from the tyranny of the majority.1. Simple Sentence
1. 9 answers
2. asked by Keisha
3. 1,112 views
DEFINE WHAT IS MEANT BY THE TERM''HUMANITIES''AND EXPLAIN WHAT DISTINGUISHED THE HUMANITIES FROM OTHER MODES OF HUMAN INQUIRY
1. 1 answer
2. asked by TIFFNAY
3. 1,107 views
A spring (k=200N/m) is fixed at the top of a frictionless plane inclined at an angle of 40 degrees. A 1 kg block is projected up
1. 2 answers
2. asked by James
3. 1,105 views
How do I find the greatest common factor of a polynomial? When finding the greatest common factor of a polynomial, can it ever
1. 2 answers
2. asked by Lynn
3. 1,076 views
a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high
1. 3 answers
2. asked by Jen
3. 1,076 views
The digits of a two-digit number are reversed. When both these two-digit numbers are added, the result is 88, and when
1. 1 answer
2. asked by William
3. 1,071 views
When solving a rational equation what is the first step we must always take?
1. 1 answer
2. asked by Tammy
3. 1,063 views
when a zinc strip is placed in a copper nitrate solution, the strip becomes coated with copper. write down the oxidation
1. 3 answers
2. asked by Anonymous
3. 1,062 views
E11-6 The following direct materials and direct labor data pertain to the operations ofBatista Manufacturing Company for the
1. 1 answer
2. asked by joe
3. 1,001 views
Find the radius of a star image formed on the retina of the eye if the aperture (pupil) diameter at night is 0.70 cm and the
1. 0 answers
2. asked by Alinkashia
3. 998 views
the first step to planning a child care center is to.
1. 7 answers
2. asked by holly
3. 963 views
In an experiement 23.4 g of iron sulphide are added to excess oxygen and 16.5 grams of iron (III) oxide, Fe2O3 are produced the
1. 2 answers
2. asked by Kelsey
3. 958 views
A 2-C and a 4-C charge attract each other with a 10-N froce when placed a certain distance apart. With how much force will a 2-C
1. 1 answer
2. asked by Jen
3. 947 views
Faraday¡¯s Law of Electrolysis• Practice Problem. • What is the oxidation state of the osmium atom in an unknown salt if
1. 1 answer
2. asked by Jin
3. 919 views
A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 45°. Part of the beam is
1. 0 answers
2. asked by Alinkashia
3. 910 views
Has the distribution of income in Canada become equal or more unequal?
1. 1 answer
2. asked by Randy
3. 905 views
Three point charges have equal magnitudes, two being positive and one negative. These charges are fixed to the corners of
1. 1 answer
2. asked by ness
3. 897 views
Sally sues for malpractice, claiming she didn't know that the operation could have (and, in this case, did have) negative
1. 0 answers
2. asked by Katy
3. 881 views
Determine the mass of carbon monoxide that is produced when 45.6 g of methane, ch4 react with 73.2 g of oxygen gas, o2. The
1. 1 answer
2. asked by Kelsey
3. 878 views
what is the sixth root of 4096?
1. 1 answer
2. asked by Roselyn
3. 863 views
A Ferris wheel has a radius of 15 meters and takes 20 seconds to complete one full revolution. The seat you are riding in, takes
1. 1 answer
2. asked by dave
3. 839 views
for this infinite series (-1)^n/n^2if i use alternating series test to show that sequence does of a^n does not go to 0, then
1. 0 answers
2. asked by eng
3. 834 views
A beam of light is incident upon a flat piece of glass (n = 1.50) at an angle of incidence of 45°. Part of the beam is
1. 1 answer
2. asked by Alinkashia
3. 798 views
Which of the following when added to 100.0mL of a 0.100M soln of NH4Cl would produce a buffer soln?a.100.0mL of 0.100 M HCl soln
1. 1 answer
2. asked by Jin
3. 775 views
People heavily exposed to violent ography are likely to engage in sexually aggressive behaviors that reflect a misleadingA:
1. 1 answer
2. asked by rally
3. 759 views
I would appeciate any help with identifying the chiral carbons, if any, in each of the following compounds:OCH3 2. CH3--CH--CH3
1. 5 answers
2. asked by Beth
3. 754 views
In the poem Catching up with Flannery O'Connor by Mary Hood, the purpose of line 1 is most likely to? A. introduce a setting B.
1. 1 answer
2. asked by Victoria
3. 754 views
The maximum speed of a bus is 72km/h, it accelerates uniformly at the rate of 1m/s^2 and s uniformly at the rate of 4m/s^2. Find
1. 2 answers
2. asked by Praveen
3. 733 views
n early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the
1. 2 answers
2. asked by Mark
3. 730 views
Q: A difference between beans and corn during germination isa. the cotyledons are above ground in the bean plant b. the corn
1. 2 answers
2. asked by Mesut
3. 713 views
According to the experiment procedure, given that the NaOH solution has a concentration of 0.100M, and that the vinegar (acetic
1. 1 answer
2. asked by sheyla
3. 711 views
It has been suggested that a stable worldview may contribute to the strress protection associated withA: an external locus of
1. 1 answer
2. asked by rally
3. 697 views
An aircraft has a take-off speed 180km/h and has length 250m from the start just before take-off a serious snag is detected in
1. 0 answers
2. asked by Praveen
3. 679 views
Which of the following salts would show an appreciable pH-dependent solubility?a. AgCl b. Mg(OH)2 c. BaF d. both b and c e. all
1. 1 answer
2. asked by Jin
3. 673 views
What is meant by the term utility and how does it relate to purposeful behavior
1. 1 answer
2. asked by stephanie
3. 673 views
The heights of 1000 students in a college are normally distributed with a mean 5’10” and SD 2”. Find the approximate
1. 1 answer
2. asked by Anonymous
3. 667 views
An aircraft has a take-off speed 180km/h and length 250m from the start just before take-off a serious snag is detected in the
1. 1 answer
2. asked by Praveen
3. 661 views
Exercise #4Quality control problem: According to U.S. News & World Report, a laboratory in Atlanta is processing snake venom for
1. 0 answers
2. asked by sam
3. 660 views
Clickfraud has become a major concern as more and more companies advertise on the Internet. When Google places an ad for a
1. 0 answers
2. asked by sue
3. 650 views
two cards are drawn at random (without replacement) from a regular deck of 52 cardsa) what is the probability that the first
1. 2 answers
2. asked by sha
3. 635 views
I need some scholarly journal articles discussing the importance of listening for mass media professionals, especially those in
1. 3 answers
2. asked by Alicia
3. 628 views
As a general rule, hydrocarbons are ________ in water and ________ in other hydrocarbonschoices are: a.soluble, soluble
1. 2 answers
2. asked by Anonymous
3. 620 views
A Keynesian Consumption Function:In his famous 1936 book, A General Theory of Employment, Interest and Money, the noted British
1. 0 answers
2. asked by sam
3. 612 views
Exercise #2As a marketing analyst for Imperial Products, your task is to determine if a new product is worth marketing
1. 0 answers
2. asked by sam
3. 610 views
discuss in details the truman doctrine, the berlin airlift, and the marshall plan confrontation between US and Soviet union
1. 3 answers
2. asked by ami
3. 606 views
In titration of a 0.10M soln of Na2Co3 with HCL which of the following will be present in the largest concentration at the first
1. 1 answer
2. asked by Jin
3. 599 views
Let’s continue our analysis of liberals and conservatives, taking a look this time at differences in their educational
1. 1 answer
2. asked by Yah
3. 579 views
place parentheses, if needed, to make each of the following equations true:a.5+6.3=33 b.8+7-3=12 c.6+8-2/2=13 d.9+6/3=5
1. 2 answers
2. asked by fiona
3. 578 views
many pounds of each should be mixed together in order to get 240-lb mixture that is 7% portein how many pounds of the cornmeal
1. 1 answer
2. asked by Ana
3. 577 views
A hypothetical diprotic acid has pKa1=5 and pka2=7. Could a buffer at pH6 be prepared with this acid? If so how?
1. 1 answer
2. asked by Yoo
3. 567 views
Determine how many atoms there are in 1 litre of hexane or gasoline. A litre of gasoline has a mass of approximately 850.0
1. 1 answer
2. asked by Kelsey
3. 565 views
In 2008 ACT,Inc reported that 74% of 1500 randomly selected college freshman rerurned to college the next year. Estimate the
1. 0 answers
2. asked by marylou
3. 550 views
What is the difference between regioselectivity and stereoselectivity?I was just reviewing and now I don't quite remember the
1. 1 answer
2. asked by Neee
3. 544 views
I want to do some research with a professor on campus, but I'm having a lot of trouble composing this e-mail. She sent me a long
1. 5 answers
2. asked by Ben
3. 543 views
a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high
1. 0 answers
2. asked by Jen
3. 541 views
Select a management function (planning, directing and motivating, or controlling) and explain how that function relates to
1. 1 answer
2. asked by hmm
3. 540 views
If 75 g of ice at 0.0 Celsius were added to 1.5 L of water at 75 Celsius, what would the final temperature of the mixture be?
1. 1 answer
2. asked by Kelly
3. 531 views
Assume a monopolist with the following:a. Qd = 100 – 10p b. TC = 1 + 2Q Find the following: Price at profit max Quantity at
1. 0 answers
2. asked by mike Gee
3. 511 views
of a radio show. Each commercial is either 30 seconds or 60 seconds long. If the total comercial time during 1 hour is 13 min,
1. 1 answer
2. asked by Diana
3. 510 views
What is the second derivative off(x,y) = 3x^2y + 4y^3 first with respect to y and then with respect to x?
1. 1 answer
2. asked by Clint
3. 503 views
To have a color, the transition metal complexshould have an electron in a d-orbital, and an unoccupied spot in a higher energy
1. 1 answer
2. asked by Jin
3. 495 views
In Phantom of the OperaWhat did the first note say?
1. 0 answers
2. asked by Betty
3. 489 views
Explain the subject matter jurisdiction of federal courts.
1. 1 answer
2. asked by Katy
3. 486 views
Compare and contrast contributory negligence with comparative negligence.
1. 1 answer
2. asked by Katy
3. 483 views
why is it that [H2O] is NOT included in the rate law, even though it is a reactant?
1. 1 answer
2. asked by Jin
3. 478 views
In the poem Catching up with Flannery O'Connor by Mary Hood, in line 1 the use of the word "squalled" helps to? A. Illuminate a
1. 2 answers
2. asked by Victoria
3. 478 views
Which of the following is most pertinent in a legal or courtroom context?a. Patient's expectation of privacy b. Confidentiality
1. 1 answer
2. asked by Katy
3. 468 views
a.)Find sin 4x if tan=0.6b.) Solve: sinxsinx/2=1-cosx(0<x<2*pie
1. 0 answers
2. asked by Angela
3. 466 views
Determine how many atoms there are in 1 litre of hexane or gasoline. A litre of gasoline has a mass of approximately 850.0
1. 1 answer
2. asked by Kelsey
3. 465 views
how do you solve this?The candy indistry converts sucrose (C11H22O11,table sugar),a crystalline material, to invert sugar, a
1. 0 answers
2. asked by Jin
3. 464 views
What is one of the major welfare challenges in Canada and how is it being tackled
1. 1 answer
2. asked by Randy
3. 462 views
a swimming area in a rotating space habitat is located in a 1/4 g region. if a diver can jump 1m high in a 1g region, how high
1. 0 answers
2. asked by Jen
3. 459 views
1.What hydrocarbons generally will undergo an immediate reaction with Br?2.What hydrocarbons generally will undergo an immediate
1. 1 answer
2. asked by Anonymous
3. 457 views
Find the coordinates of the vertex and focus of the ellipse 9x Square+ 4y square=0.09
1. 0 answers
2. asked by Angela
3. 452 views

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