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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. 6,851 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. 4,977 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. 4,875 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. 2,636 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. 2,114 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. 1,706 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. 1,673 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. 1,641 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. 1,466 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. 1,445 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. 1,390 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. 1,358 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. 1,326 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. 1,317 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. 1,314 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. 1,306 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. 1,299 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. 1,285 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. 1,257 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. 1,230 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. 1,224 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. 1,223 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. 1,223 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. 1,191 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. 1,172 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. 1,161 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. 1,159 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. 1,158 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. 1,138 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. 1,122 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. 1,114 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. 1,104 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. 1,099 views
When solving a rational equation what is the first step we must always take?
1. 1 answer
2. asked by Tammy
3. 1,093 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. 1,051 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. 1,032 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. 1,013 views
the first step to planning a child care center is to.
1. 7 answers
2. asked by holly
3. 1,003 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. 972 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. 962 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. 950 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. 937 views
Has the distribution of income in Canada become equal or more unequal?
1. 1 answer
2. asked by Randy
3. 930 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. 928 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. 922 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. 895 views
what is the sixth root of 4096?
1. 1 answer
2. asked by Roselyn
3. 895 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. 891 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. 842 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. 826 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. 798 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. 791 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. 779 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. 779 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. 776 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. 750 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. 749 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. 727 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. 726 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. 717 views
What is meant by the term utility and how does it relate to purposeful behavior
1. 1 answer
2. asked by stephanie
3. 714 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. 710 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. 709 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. 705 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. 692 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. 679 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. 677 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. 674 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. 657 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. 641 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. 637 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. 627 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. 619 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. 610 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. 608 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. 606 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. 604 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. 598 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. 580 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. 576 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. 572 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. 569 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. 554 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. 551 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. 545 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. 532 views
Compare and contrast contributory negligence with comparative negligence.
1. 1 answer
2. asked by Katy
3. 530 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. 528 views
Explain the subject matter jurisdiction of federal courts.
1. 1 answer
2. asked by Katy
3. 522 views
In Phantom of the OperaWhat did the first note say?
1. 0 answers
2. asked by Betty
3. 519 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. 512 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. 508 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. 503 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. 502 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. 500 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. 498 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. 495 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. 489 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. 488 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. 486 views

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