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2012
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Questions Asked on November 20, 2012

Any number in the form of a+-bi , where a and b are real numbers and b not equal 0 is considered a pure imaginary number. TRUE
1. 11 answers
2. asked by Robert
3. 13,959 views
An ant is crawling along the x-axis such that the graph of its position on the x-axis versus time is a semi-circle. The total
1. 5 answers
2. asked by Parag
3. 8,587 views
If argon has a volume of 5.0 dm3 and the pressure is .92 atm and the final temperature is 30 degrees celcius and the final
1. 7 answers
2. asked by Kaitlyn
3. 7,022 views
The digits 2, 3, 4, 7, and 8 are each used once in a random order to form a five-digit number. What is the probability that the
1. 14 answers
2. asked by SuckatProb
3. 6,935 views
The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. The front two wheels
1. 6 answers
2. asked by mathfailure
3. 6,357 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. 13 answers
2. asked by mathfailure
3. 6,208 views
while exploring a cave, a spelunker starts at the entrance and moves the following distances in a horizontal plane. she goes
1. 1 answer
2. asked by JOAN
3. 6,191 views
1.The price of a radio changes from $40.00 to $44.00. (1 point) 10% decrease 10% increase 36.4% decrease 40% increase 2. The
1. 24 answers
2. asked by Delilah
3. 5,471 views
A couch with a mass of 100 kg is placed on an adjustable ramp connected to a truck. When one end of the ramp is raised, the
1. 1 answer
2. asked by E
3. 5,155 views
Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is
1. 1 answer
2. asked by Andrew
3. 3,632 views
Find the length of the parallel of latitude 42 degree north.
1. 3 answers
2. asked by Tosin
3. 3,603 views
At elevated temperatures, sodium chlorate decomposes to produce sodium chloride and oxygen gas. A 0.8915-g sample of impure
1. 3 answers
2. asked by Fred
3. 3,438 views
A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of girls to total students?12 : 15 15 : 12
1. 2 answers
2. asked by Eric
3. 3,405 views
A meteorological balloon had a radius of 1.1 m when released at sea level at 20◦C. It ex- panded to a radius of 5 m when it
1. 2 answers
2. asked by Caitlin
3. 3,070 views
A sled is pulled across a horizontal snow surface with a constant velocity. The force being applied is 80 N at an angle of 53
1. 1 answer
2. asked by PH
3. 3,044 views
Calculate the amount of grams of carbon dioxide formed from 100 g of octane. The molar mass of octane is 114.33 g/mole. The
1. 3 answers
2. asked by Danya
3. 2,723 views
A platinum resistance thermometer has resistances of 200.0 ohms when placedin a 0 degrees Celsius ice bath and 253.8 ohms when
1. 1 answer
2. asked by Ella
3. 2,566 views
Entry to a certain University is determined by a national test. The scores on this test are normally distributed with a mean of
1. 3 answers
2. asked by Michelle
3. 2,561 views
A buffer solution is prepared by mixing 200 mL of 0.2 M salt solution and 400 mL of a 0.2 M acid solution. What is the
1. 5 answers
2. asked by Dr. Nick
3. 2,546 views
The pendulum on a cuckoo clock is 5.00 cm long. (a) Determine the period of this pendulum. (b) What is its frequency?
1. 1 answer
2. asked by Jason
3. 2,435 views
4002-2153=1849how is regrouping thousand shown in the problem above
1. 4 answers
2. asked by daniella
3. 2,342 views
A uniform ladder of length L and mass m leans against a frictionless vertical wall, making an angle of 56° with the horizontal.
1. 2 answers
2. asked by Ariana
3. 2,206 views
Oxygen can be produced in the laboratory by the reaction2 KClO3(s) → 2 KCl(s) + 3 O2(g) . How much potassium chlorate is
1. 2 answers
2. asked by Caitlin
3. 2,107 views
A thrill-seeking cat with mass 4.00 kg is attached by a harness to an ideal spring of negligible mass and oscillates vertically
1. 4 answers
2. asked by Alex
3. 2,051 views
In a very busy off-campus eatery one chef sends a 241-g broccoli-tomato-pickle-onion-mushroom pizza sliding down the counter
1. 1 answer
2. asked by Kyle
3. 2,033 views
The following three step mechanism has been proposed for the oxidation of iodide ion by peroxide:H2o2 + I^- ----> HOI + OH^-
1. 1 answer
2. asked by Krissy
3. 1,958 views
Over time, a student analyzes her ability to guess correctly after narrowing down multiple choice answers in a 5-selection
1. 2 answers
2. asked by PetarI
3. 1,933 views
Sukey is riding her bicycle when she sees a fallen tree 42 m ahead. If the coefficient of friction is .36 and she is travelling
1. 4 answers
2. asked by lizgreene52
3. 1,842 views
How many milliliters of a 0.25 M sucrose solution contain 2.0 grams? The molar mass of sucrose (C12H22O11 ) is 342.3 g/mol.
1. 1 answer
2. asked by Vc
3. 1,762 views
for n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x
1. 3 answers
2. asked by Andrew
3. 1,749 views
The air in a cylinder with a piston has a volume 220 ml and pressure of 650 mm hg. If the pressure inside the cylinder increase
1. 1 answer
2. asked by John
3. 1,740 views
A 4.0-kg block is stacked on top of a 12.0-kg block, which is accelerating along ahorizontal table at a = 5.2m/s2 . Let u=uk=us.
1. 1 answer
2. asked by Anonymous
3. 1,699 views
Find the accumulated amount A, if the principal P is invested at an interest rate of r per year for t years.P = $2500, r = 3%, t
1. 1 answer
2. asked by Julie
3. 1,695 views
How much money has to be invested at 3.3% interest compounded continuously to have $45,000 after 19 years?
1. 1 answer
2. asked by l;ll;,l
3. 1,683 views
ms. sue for the article an ode to user friendly pencil i need to write thematic statement, but i not sure what to exactly say
1. 8 answers
2. asked by Mohammad
3. 1,666 views
The cutting tool on a lathe is given two displacements, one of magnitude 4 cm and one of magnitude 3 cm, in each one of five
1. 1 answer
2. asked by JOAN
3. 1,664 views
You take out a 25-year $210,000 mortgage loan with an APR of 12% and monthly payments. In 16 years you decide to sell your house
1. 1 answer
2. asked by Anonymous
3. 1,508 views
The molar enthalpy of vaporization for water is 40.79 kJ/mol. Express this enthalpy of vaporization in joules per gram.
1. 2 answers
2. asked by Rebecca
3. 1,450 views
4. Ernesto loses 14.5 pounds in 7 months. Now he weighs 156.5 pounds. Which equation can be used to find how much he weighed
1. 3 answers
2. asked by Jman
3. 1,409 views
There are 24 students in a class, 16 are girls and 8 are boys. What is the fraction of boys in the class?
1. 2 answers
2. asked by Dar
3. 1,378 views
A bag contains 3 green balls. 2 red balls and a white ball. A boy randomly draws balls from the bag one at a time (with
1. 6 answers
2. asked by joanna
3. 1,351 views
5.Sara raised her score on a math test from 86 to 94. Max changed his score on the test from 77 to 85. Who had the greater
1. 7 answers
2. asked by Delilah
3. 1,343 views
Matty Kaminsky owns a new Volvo. his june monthly interest was $400. The rate is 81/2 percent. Matt's principal balance at tje
1. 0 answers
2. asked by Anonymous
3. 1,323 views
A game show contestant is offered the option of receiving a computer system worth $2300 or accepting a chance to win either a
1. 1 answer
2. asked by Andrew
3. 1,314 views
For each of the following pairs, indicate which element has the larger first ionization energy Mg or Al. i put Mg. Repulsion of
1. 1 answer
2. asked by Samantha
3. 1,312 views
I have written my answers as following. Please improve my answers if needed:The story "The Wedding Gift" by Thomas Raddall makes
1. 1 answer
2. asked by HanuEng
3. 1,263 views
1.The constitution grants the federal courts ____ in several different kinds of court cases. This gives them the authority to
1. 3 answers
2. asked by Alex
3. 1,243 views
correct the grammar of the following text:Jason Turner thought he did the right thing when he had seen a man get into a car and
1. 2 answers
2. asked by ali
3. 1,229 views
Identify the CAPITALIZED portion of the sentences below.18. MY FRIEND MARY is coming with us to the zoo. complete predicate
1. 20 answers
2. asked by Jman
3. 1,191 views
Water moves through a constricted pipe in steady, ideal flow. At the lower point shown in the figure below, the pressure is
1. 1 answer
2. asked by Chelsea
3. 1,180 views
A vending machine is designed to dispense a mean of 7.6 oz of coffee into an 8-oz cup. If the standard deviation of the amount
1. 1 answer
2. asked by vinnie
3. 1,180 views
Broad areas of folded rock layers that resemble a bowl turned right-side up are called _____.domes basins horsts monoclines
1. 2 answers
2. asked by Anonymous
3. 1,172 views
Giita walks 2 1/2 miles in one hour. How much time does it take her to walk 7miles. Round the answer to the nearest second.
1. 3 answers
2. asked by emmy
3. 1,166 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. 1 answer
2. asked by Julie (PLEASE HELP!!!)
3. 1,156 views
Jennifer plans to fence a rectangular area around her rectangular swimming pool. The total area enclosed by the fence, including
1. 3 answers
2. asked by Vic
3. 1,152 views
Football is kicked up into the air with a velocity of 20m/s.a. Determine the time the football is in the air. b. Determine the
1. 1 answer
2. asked by Sarah
3. 1,149 views
Henry will reject a cookie with less than 8 raisins.In the past, one out of every 100 cookies had less than 8 raisins. Find
1. 1 answer
2. asked by stephen
3. 1,147 views
A certain spring has a spring constant of 165 N/m. A 20kg mass is attached to the end of the spring. While the mass is at the
1. 1 answer
2. asked by Philip
3. 1,147 views
How would you condense a logarithm expression into a single quantity if the logs have different bases?
1. 1 answer
2. asked by Jamie
3. 1,141 views
Phillip, the proprietor of a vineyard, estimates that the first 9600 bottles of wine produced this season will fetch a profit of
1. 1 answer
2. asked by Julie
3. 1,113 views
A 10C charge is positioned at x=0m, a -5C charge is positioned at x=0.06m and a 2C charge is at 0.09m. What is the net force on
1. 1 answer
2. asked by chanty
3. 1,098 views
A person pulls a crate with 120 N of force against 100 N of friction a distance of 5 meters. Find the energy the person expends
1. 1 answer
2. asked by Samuel
3. 1,097 views
Sharon Spent $2 on a magazine; then she spent half of the rest of her money on shoes. She spent half of her remaining money on
1. 3 answers
2. asked by Adalberto
3. 1,086 views
Peyton’s Colt Farm issued a 30-year, 7.2 percent semiannual bond 6 years ago. The bond currently sells for 87.5 percent of its
1. 0 answers
2. asked by juli
3. 1,074 views
An open train car, with a mass of 2070 kg, coasts along a horizontal track at the speed 2.31 m/s. The car passes under a loading
1. 1 answer
2. asked by Alex
3. 1,072 views
A ball is thrown horizontally from the top of a building 17.6 m high. The ball strikes the ground at a point 67.7 m from the
1. 0 answers
2. asked by Liz
3. 1,071 views
Jessie exerted a force of 400N to move a box across the floor to a distance of5m in 4sec. What is his power is kilowatts?
1. 1 answer
2. asked by Ahmad Alotaibi
3. 1,069 views
Im not good at probability.If there are 3 choices, and 3 people can choose any of them, what are the odds of the 3 people
1. 5 answers
2. asked by mathfailure
3. 1,069 views
What is ICU’s pretax cost of debt?What is ICU’s pretax cost of debt? ICU Window, Inc., is trying to determine its cost of
1. 1 answer
2. asked by juli
3. 1,043 views
you would transfer the net profit for a period to?a. an asset account b. a liability account c. an owner's equity account d. to
1. 1 answer
2. asked by salsa:)
3. 1,042 views
Please check it for me ;)"The text is about a lonely boy - Mark - son of murderer. As far as Mark's father is concerned he was
1. 1 answer
2. asked by S.
3. 1,036 views
if josh gives Emily 7 apples, she will have 5 times as many apples as Josh. If Emily gives Josh 7 apples, they will have the
1. 2 answers
2. asked by Ben
3. 1,027 views
A balloon with a radius of 20.0 m at 6.0 oC is heated to 32.0oC. Find the new volume.
1. 1 answer
2. asked by Anonymous
3. 1,026 views
A box of mass 4 kg is resting on a table 1.5 m above the floor. There is also a ledge located 5 m above the floor. Find the
1. 2 answers
2. asked by Stu
3. 1,026 views
When a gun (3 kg) shoots a bullet (.025 kg), the bullet goes forward and the gun recoils backward. Which of the following
1. 2 answers
2. asked by Cameron
3. 1,013 views
#1 cos x+sec x=2#2 (1+tan x)^2= 2 tan x+2 #3 cos^2x-sin^2 x+1=cos x please show all work & thanks
1. 1 answer
2. asked by Haley
3. 1,009 views
For y(x)=ln(3+x2), find y`(6)I keep getting 12 but it says that its the wrong answer, really stuck here
1. 0 answers
2. asked by Ravinder
3. 1,008 views
if i put a .... that's what ithink the answer is may u checkitin tell what i got wrong so i can retry to do it11. Fats help
1. 4 answers
2. asked by Anonymous
3. 1,005 views
How long it will take for an investment of 2000 dollars to double in value if the interest rate is 9.5 percent per year,
1. 1 answer
2. asked by Emily
3. 1,004 views
A pentagon is formed by placing an isosceles triangle on a rectange. If the pentagon has fixed perimeter P, find the lengths of
1. 0 answers
2. asked by Shayna
3. 992 views
What are 3/8, 5/6, and 1/2 in order from least to greatest.
1. 4 answers
2. asked by Rachel
3. 988 views
Two constant forces act on an object of mass m = 4.50 kg object moving in the xy plane as shown in the figure below. Force 1 is
1. 0 answers
2. asked by patel
3. 985 views
Jennifer plans to fence a rectangular area around her rectangular swimming pool. The total area enclosed by the fence, including
1. 8 answers
2. asked by Vic
3. 976 views
find the equation, in function form, of athe line that passes through the points(1/2,-3) and (7/6,5/9)
1. 1 answer
2. asked by sam
3. 968 views
What happens four weeks from conception and cell division?
1. 1 answer
2. asked by seema
3. 955 views
Find the x-value at which y=2x+5/x-3 is undefined.
1. 2 answers
2. asked by John
3. 948 views
recent suggestion is 60 min of exercise per day. A sample of 50 adults in a study of risk factor report exercising a mean of 38
1. 1 answer
2. asked by nono
3. 936 views
What are the four powers denied to congress?
1. 3 answers
2. asked by Emma
3. 926 views
Anthony earns an allowance for doing work at home .the first day he earns $1. ,$2. for the next two days,$3.for the next three
1. 1 answer
2. asked by zack
3. 925 views
I'm writing an essay and we have to write chose between two topics. Courtship and crossing the color line?Courtship means to
1. 1 answer
2. asked by Blaze
3. 912 views
What value completes the square for the expression? x2 + 14xUse the quadratic formula to solve the equation. x2 – 7x – 6 = 0
1. 1 answer
2. asked by Robert
3. 890 views
Aspirin tablet, mass of tablet= 0.4149 g concentration of iron III salicylate complex = 3.997E-4, What is the concentration of
1. 0 answers
2. asked by Emma
3. 889 views
a solutiona solution is made by dissolving 3.75g of a pure nonvolatile solute in 95g of acetone. the boiling point of pure
1. 0 answers
2. asked by bb
3. 886 views
Debbie is selling tickets for a spaghetti dinner night. Adult tickets, a, are $10 and children tickets, c, are $5. Sixty percent
1. 1 answer
2. asked by Anonymous
3. 882 views
A cat chases a mouse across a 1.1 m hightable. The mouse steps out of the way, and the cat slides oﬀ the table and strikes the
1. 1 answer
2. asked by Colby
3. 882 views
Describe the Number systems used in mathematics with the use of subsets of the real number system.
1. 0 answers
2. asked by lisa
3. 876 views
3yd= in
1. 1 answer
2. asked by apria
3. 865 views
A sample of oxygen is collected in a 387 mL container over water at 15◦C, and the barom- eter reads 738 torr. What volume
1. 1 answer
2. asked by Caitlin
3. 860 views
Why do you think the singer was an important person in Danish communities? (Beowulf)
1. 1 answer
2. asked by Kathleen
3. 859 views
What role does the environment play in convergent evolution?
1. 1 answer
2. asked by Jessi
3. 858 views

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