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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. 14,016 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. 8,642 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. 7,051 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. 6,989 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. 6,414 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. 6,248 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. 6,232 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. 5,522 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. 5,202 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. 3,676 views
Find the length of the parallel of latitude 42 degree north.
1. 3 answers
2. asked by Tosin
3. 3,648 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. 3,482 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. 3,439 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. 3,110 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. 3,083 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. 2,792 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. 2,609 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. 2,604 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. 2,591 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. 2,489 views
4002-2153=1849how is regrouping thousand shown in the problem above
1. 4 answers
2. asked by daniella
3. 2,382 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. 2,252 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. 2,146 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. 2,101 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. 2,074 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. 2,001 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. 1,966 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. 1,878 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. 1,814 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. 1,789 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. 1,784 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. 1,743 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. 1,741 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. 1,711 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. 1,706 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. 1,699 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. 1,545 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. 1,499 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. 1,446 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. 1,421 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. 1,391 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. 1,385 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. 1,359 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. 1,348 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. 1,346 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. 1,299 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. 1,283 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. 1,277 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. 1,232 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. 1,219 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. 1,213 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. 1,207 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. 1,200 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. 1,199 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. 1,196 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. 1,191 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. 1,184 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. 1,176 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. 1,174 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. 1,153 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. 1,138 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. 1,128 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. 1,128 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. 1,120 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. 1,113 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. 1,112 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. 1,103 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. 1,095 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. 1,086 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. 1,082 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. 1,077 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. 1,075 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. 1,059 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. 1,053 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. 1,052 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. 1,047 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. 1,047 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. 1,043 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. 1,040 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. 1,037 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. 1,031 views
What are 3/8, 5/6, and 1/2 in order from least to greatest.
1. 4 answers
2. asked by Rachel
3. 1,028 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. 1,021 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. 999 views
What happens four weeks from conception and cell division?
1. 1 answer
2. asked by seema
3. 989 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. 979 views
Find the x-value at which y=2x+5/x-3 is undefined.
1. 2 answers
2. asked by John
3. 974 views
What are the four powers denied to congress?
1. 3 answers
2. asked by Emma
3. 963 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. 959 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. 945 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. 929 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. 926 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. 926 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. 924 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. 921 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. 914 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. 907 views
Why do you think the singer was an important person in Danish communities? (Beowulf)
1. 1 answer
2. asked by Kathleen
3. 891 views
What role does the environment play in convergent evolution?
1. 1 answer
2. asked by Jessi
3. 891 views
A plane drops a bomb from an altitude of 10,000m.a. Determine the time the bomb is in the air. b. Determine the velocity the
1. 0 answers
2. asked by Alex
3. 884 views

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