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2012
March

Questions Asked on March 24, 2012

A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously
1. 3 answers
2. asked by John
3. 9,140 views
Question #1The price of 7 citrons and 10 fragrant wood apples is 88 units. The price of 10 citrons and 7 fragrant wood apples is
1. 3 answers
2. asked by Jay
3. 6,432 views
1) Which of the following is not amphiprotic?H20, NH4^+^, HSO4^-^, H2PO4^-^, all choices are amphiprotic. I think that all of
1. 1 answer
2. asked by Hannah
3. 4,764 views
Which of these statements is not true about the variance in a binomial distribution B(n, p)? __________A. For a fixed p, the
1. 1 answer
2. asked by Anonymous
3. 2,353 views
1. A conical reservoir has a depth of 24 feet and a circular top of radius 12 feet. It is being filled so that the depth of
1. 1 answer
2. asked by Tiffany
3. 1,872 views
a bag contains 5 blue, 4 red, 9 white, and 6 green marbles. if a marble is drawn at random and replaced 100 times, how many
1. 3 answers
2. asked by toan
3. 1,656 views
An object is traveling in a straight line in space.No forces are affecting it. What will happen to the object's motion?
1. 2 answers
2. asked by Josie
3. 1,646 views
Lewis Structure of Freon (CCI2F2)? And what is shape?
1. 2 answers
2. asked by Brock
3. 1,508 views
what volume of oxygen gas measured at 25C and 760 torr is required to react with 1.0L of methane measured under the same
1. 3 answers
2. asked by Mitch
3. 1,499 views
Find the area of a triangle with sides of length 5 and 8 and included angle 74°. (Round your answer to one decimal place.)
1. 1 answer
2. asked by Kelvin
3. 1,355 views
5. The success of the blizkrieg depended mainly on superiority ina. nuclear weapons b. naval power c. defense strategy d. mobile
1. 8 answers
2. asked by mysterychicken
3. 1,280 views
Walt Whitman -- AmericaCentre of equal daughters, equal sons, All, all alike endear'd, grown, ungrown, young or old, Strong,
1. 1 answer
2. asked by Amy
3. 1,268 views
Dean associates certain activities,roles,and traits as being typical for either males or females.His associtions conform to
1. 0 answers
2. asked by sarah
3. 1,260 views
There are are 20% more girls than boys in the senior class.What percentage of the seniors are girls?
1. 5 answers
2. asked by Shambhavi
3. 1,199 views
Which is the closest to the speed of sound in air?A. 7miles per hour B. 70miles per hour C. 700miles per hour D. 7000miles per
1. 1 answer
2. asked by Derrick
3. 1,193 views
i need to write an essay on why it is important to be obedient or to obey people or authority. i just don't have any ideas.
1. 2 answers
2. asked by gabriela
3. 1,192 views
What would the coefficient be for the produced salt in a balanced chemical equation of this acid and base?HNO3 + Ca(OH)2
1. 1 answer
2. asked by Kristy
3. 1,155 views
1) Which statement below is correct (true)?a) Since HNO2 is a stronger acid than HF it must have a greater pKa. b) Since HOCℓ
1. 5 answers
2. asked by Hannah
3. 1,144 views
A particular reactant decomposes with a half-life of 103 s when its initial concentration is 0.397 M. The same reactant
1. 0 answers
2. asked by katie
3. 1,122 views
Two hooks A and B are fixed to a ceiling, where AB is 2.5 m. A small object of mass 3 kg is suspended from A and B by two light
1. 1 answer
2. asked by John
3. 1,106 views
The following reaction is a single-step, bimolecular reaction:CH3Br + NaOH --> CH3OH + NaBr When the concentrations of CH3Br and
1. 0 answers
2. asked by katie
3. 1,089 views
What is the mass in kg of 20.0 L of diesel fuel? Assume the fuel has a density of 0.85 g/mL.
1. 1 answer
2. asked by Hannah
3. 1,080 views
I read the story from behind the veil, but did not really understand could someone help me describe some aspects of its setting
1. 1 answer
2. asked by kevin
3. 1,075 views
Evaluate the expression without using a calculator(show work please)?(sin pi/4 cos pi/6 - sin pi/6 cos pi/4) the answer is
1. 0 answers
2. asked by John
3. 1,039 views
Seven students took a quiz. Four of these students received a score above 85 percent. Students who received at least an 85
1. 2 answers
2. asked by Anonymous
3. 1,016 views
Prove: (cotx sinx)(secx-cosx)=sin^2(X)
1. 1 answer
2. asked by Blossom
3. 1,012 views
Describe the political role of the poetry of the 1950s?can anyone give a few pointers on this, thanks!
1. 1 answer
2. asked by help
3. 1,010 views
A ball of circumference 71.5 cm and mass 640 g is forced to the bottom of a swimming pool and then released. After initially
1. 3 answers
2. asked by sara
3. 979 views
A rectangular loop of wire, L = 26.2 cm and W = 15.4 cm, carries a I1 = 1.83 A current and lies in a plane (d = 13.6 cm), which
1. 1 answer
2. asked by josh
3. 965 views
At 298 K, 1.35 mol BrCl(g) is introduced into a 12.0 L vessel, and equilibrium is established in the reaction.BrCl(g)-->0.5Br2(g
1. 3 answers
2. asked by ian
3. 955 views
How many moles of nitrogen are needed to produce 1.52 moles of nitrogen (ll) oxide ?N2 + O2 > FeCL3 + 3H20
1. 1 answer
2. asked by jake
3. 936 views
If nonessential amino acids are missing from the diet, can essential amino acids be substituted in the protein?I would
1. 1 answer
2. asked by Tim
3. 935 views
If a plane can travel 500 miles per hour with the wind 400 miles per hour against the wind, find the speed of the plane without
1. 1 answer
2. asked by rangel
3. 895 views
I can not copy and paste to the board.
1. 7 answers
2. asked by Damon
3. 892 views
A 19.3- gmass of gold in the form of a cube is 1.00 cmlong on each side (somewhat smaller than a sugar cube).What would be the
1. 0 answers
2. asked by jim
3. 851 views
The level of water in a clear, colorless glass is easily observed with the naked eye. The level of liquid helium in a clear
1. 0 answers
2. asked by chi
3. 843 views
The total amount of interest on a loan of $6,000 for 150 days is $210.50. Using the ordinary interest method, what is the rate
1. 0 answers
2. asked by Tina
3. 836 views
How would each of the following affect the accuracy of the calculated neutralizing power of antacid (too high, too low, or no
1. 1 answer
2. asked by Darrylnn
3. 823 views
I don't quite understand how to solve matrices with three variables.If I have the equations: 7x-4y-2z=0 2x-3y+z=-0.25
1. 4 answers
2. asked by Amy
3. 822 views
A certain reaction has an activation energy of 74.38 kJ/mol. At what Kelvin temperature will the reaction proceed 7.00 times
1. 1 answer
2. asked by HELP PLEASE
3. 788 views
I need to calculate the voltage through the resistor and the voltage through the inductor of an RL series circuit for different
1. 1 answer
2. asked by Heather
3. 784 views
a ball of mass 4kg is thrown vertically upwards with a velocity of 40m/s.Finda-maximum height b-height after 3 seconds c-time of
1. 1 answer
2. asked by heather
3. 779 views
cosx/secx+sinx/cscx=sec^2x-tan^2x
1. 5 answers
2. asked by olivia
3. 776 views
Prove (cscx+cotx)(cscx-cotx)=1
1. 0 answers
2. asked by Blossom
3. 776 views
Young Saul, a budding mctaemhtiaian and printer, is making himself a fake ID. He needs it to say heâ€™s 21. The problem is
1. 1 answer
2. asked by GWPeAYsBnmh
3. 769 views
The portion of a swimming pool that is below the full water line measures 12 feet by 30 feet by 6 feet deep. what is the volume
1. 2 answers
2. asked by Anonymous
3. 766 views
Find a geometric sequence in which the 6th term is 28 and 10th term is 448
1. 1 answer
2. asked by shadrack
3. 757 views
Select a business activity or issue with which you are familiar. For that business activity in that industry or company, discuss
1. 2 answers
2. asked by Nicole
3. 746 views
Which factor, self-interest or idealism, was more important in driving American foreign policy in the years 1895-1920?
1. 1 answer
2. asked by Sarah
3. 743 views
What would the coefficient be for the produced salt in a balanced chemical equation of this acid and base?HNO3 + Ca(OH)2
1. 1 answer
2. asked by Kristy
3. 731 views
Our eyes are sensitive to electromagnetic radiation with wavelengths from 400nm to 700nm. What is associated range of
1. 2 answers
2. asked by chi
3. 729 views
The data was obtained from car crash experiments. The table values are the chest deceleration data (g) for the dummy in the
1. 1 answer
2. asked by EXHAUSTED ON MATH
3. 727 views
A book is on top of a table. Earth's gravity exerts a constant force of 15N on the book. Why does the book not move as a result
1. 2 answers
2. asked by Josie
3. 702 views
How would I write 150,783 in words?Is it one hundred fifty thousand seven hundred and eighty three???
1. 2 answers
2. asked by Kim Breed
3. 689 views
Write the chemical formula for the simplest heptane isomer and give its name, b) give the names of two heptane isomers with
1. 1 answer
2. asked by Hannah
3. 689 views
I need to calculate the voltage through the resistor and the voltage through the inductor of an RL series circuit for different
1. 1 answer
2. asked by Heather
3. 683 views
If I had one clock that chimes every half hour and the other every 15-minutes and they both chimed together at 1. the next time
1. 4 answers
2. asked by AMERICAL
3. 679 views
Perimeter of traffic sign is 140 inches. The length is 14 inches longer than the width. Find the dimensions of the sign.
1. 1 answer
2. asked by rangel
3. 674 views
1) The approximate pH of a 3.0 X 10^-3 M solution of the strong acid H2SO4 is?I did pH= -log(3.0 X 10^-3) = 2.5 2)If HCLO2 is a
1. 2 answers
2. asked by Hannah
3. 668 views
I have solved the following questions, let me know if they are correct, thanks.1. Simplify, and write in the base of 3: (9^x .
1. 1 answer
2. asked by help
3. 652 views
A 1-kg mass (the blue mass) is connected to a 9-kg mass (the green mass) by a massless rod 70 cm long, as shown in the figure. A
1. 0 answers
2. asked by deb
3. 650 views
America by James Monroe Whitfield"America, it is to thee, Thou boasted land of liberty,— It is to thee I raise my song, Thou
1. 2 answers
2. asked by Ashley
3. 645 views
What is an AA curve?
1. 1 answer
2. asked by Nancy
3. 638 views
it takes 5hr for 8 cooks to prepare the food for a wedding rehearsal dinner. How long will it take 7 cooks to prepare the dinner
1. 0 answers
2. asked by kay
3. 635 views
the number N of aluminum cans used each year varies directly as the number of people P using the cans if 55 people use 13,805
1. 1 answer
2. asked by kay
3. 611 views
I have solved the following questions, let me know if they are correct, thanks.1. Simplify, and write in the base of 3: (9^x .
1. 0 answers
2. asked by help
3. 610 views
Find the values of the trigonometric functions of è from the information given.(sin è, cos è, csc è, sec è, cot è) tan è
1. 0 answers
2. asked by Kelvin
3. 606 views
For a piece of glass n(red)= 1.635 and n(blue)= 1.689. The respective wavelengths are 680nm (red) and 430nm (blue). Find the
1. 0 answers
2. asked by chi
3. 603 views
Harry and Potter had $224 altogether. When Harry gave 1/5 of his money to Potter, they foundthey had the same amount of money.
1. 2 answers
2. asked by srihita
3. 592 views
A 53 mL sample of a solution of sulfuric acidis neutralized by 37 mL of a 0.18 M sodium hydroxide solution. Calculate the
1. 1 answer
2. asked by Chemistry
3. 589 views
A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 2.35 . Assuming ideal gas behavior, how
1. 0 answers
2. asked by chris
3. 583 views
A certain reaction has an activation energy of 74.38 kJ/mol. At what Kelvin temperature will the reaction proceed 7.00 times
1. 1 answer
2. asked by HELP PLEASE
3. 583 views
1. what is the function of the menstrualcycle? 2. Trace the path of a sperm from the male body? 3. Examine the two small lungs
1. 1 answer
2. asked by Guru
3. 580 views
9. What is the general term Freud used to describe the process whereby the mind protects itself against distress? (Points : 1)Co
1. 2 answers
2. asked by Lisa
3. 577 views
What does it mean for a conformation to be more stage than another conformation in terms of the strain energy? Based on your
1. 0 answers
2. asked by cn
3. 569 views
Which of the trans-1,4-dimethylcyclohexane is more stable? ("di-axial" or the "di-equitorial")What factors cause the observed
1. 0 answers
2. asked by cn
3. 569 views
cosx/sinxcotx=1
1. 3 answers
2. asked by olivia
3. 567 views
Show that the following series is absolutely convergent:Summation from 1 to infinity: [(-1)^n * (n+1) * 3^n]/ [2^(2n+1)] I've
1. 1 answer
2. asked by Anonymous
3. 567 views
1. Simplify, and write in the base of 3: (9^x . 3^4x)^2answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer:
1. 0 answers
2. asked by Samantha
3. 565 views
A child loses his balloon, which rises slowly into the sky. If the balloon is 13 cm in diameter when the child loses it, what is
1. 1 answer
2. asked by sara
3. 557 views
A $1,000 fave value bond has a remaining maturity of 10 years and a required return of 9%. The bond's coupon rate is 7.4%. What
1. 0 answers
2. asked by angek
3. 553 views
1. Tai decided to join a group protest of his university’s policies because he felt it was the right thing to do, even though
1. 2 answers
2. asked by Lisa
3. 552 views
Sin^2x-1=-cos^2x
1. 1 answer
2. asked by Britney
3. 551 views
A particular reactant decomposes with a half-life of 103 s when its initial concentration is 0.397 M. The same reactant
1. 0 answers
2. asked by katie
3. 547 views
Jiskha is not the place to run a survey.Please use http://answers.yahoo.com or something similar for this purpose.
1. 0 answers
2. asked by Writeacher
3. 545 views
supposed the theoritical yield in a reaction is 68.8g, and the percent yield is 66.0%, what is the actual yield of product
1. 1 answer
2. asked by kims
3. 532 views
When winter jackets are sold for $250 each, an outdoors store can sell 110 in a season. For every $25 nicrease in the price, the
1. 0 answers
2. asked by girl123
3. 532 views
The grid in a high-vacuume triode is usually kept negatively charged with respect to the cathode so that the electrons may be
1. 0 answers
2. asked by Sara
3. 531 views
i'm having trouble with probability and the binomial thm, could i get a good website with problems
1. 0 answers
2. asked by joe
3. 530 views
Help with doing a powerpoint presentation with show the Four Functions or management with Ethics
1. 1 answer
2. asked by Lori
3. 520 views
A 3.00- flask is filled with gaseous ammonia, . The gas pressure measured at 28.0 is 2.35 . Assuming ideal gas behavior, how
1. 1 answer
2. asked by chris
3. 518 views
A grocery store buys 30 gallons of milk at a cost of $1.58 per gallon. The owner expects a 15% spoilage rate. To achieve a 20%
1. 1 answer
2. asked by Tina
3. 517 views
Compound interest question:When Aaron invested $100 at 4.5% p.a. annually compounding, it amounted to $142.21. For how many
1. 1 answer
2. asked by CrissyXD
3. 516 views
What were the social costs of World War II?Thanks -MC
1. 4 answers
2. asked by mysterychicken
3. 515 views
A mass of .27 kg is attached to a spring and is set into vibration with a period of .39s.what is the spring?
1. 1 answer
2. asked by Emily
3. 511 views
A 12 kg object is at the top of a 41 degree inclined ramp. It is released and it reaches the bottom of the 85 m ramp in 2.3
1. 1 answer
2. asked by G
3. 510 views
For water n(red)= 2.332 and n(blue)=1.340. What are the underwater angles of refraction for the red and blue components of a
1. 0 answers
2. asked by chi
3. 507 views
Give specific examples of at least two (2) production and two (2) consumption habits humans have related to material resources.
1. 5 answers
2. asked by Amanda
3. 506 views
Which of the cyclohexane conformation is more stable? (chair of boat)What factors cause the observed differences in strain
1. 0 answers
2. asked by cn
3. 501 views
Find the density of a 4.2- kg solid cylinder that is 13 cm tall with a radius of 5.0 cm.
1. 3 answers
2. asked by jim
3. 498 views

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