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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. 9,087 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. 6,397 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. 4,725 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. 2,310 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. 1,825 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. 1,626 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. 1,601 views
Lewis Structure of Freon (CCI2F2)? And what is shape?
1. 2 answers
2. asked by Brock
3. 1,476 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. 1,465 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. 1,323 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. 1,243 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. 1,240 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. 1,223 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. 1,160 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. 1,156 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. 1,155 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. 1,117 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. 1,103 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. 1,081 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. 1,065 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. 1,052 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. 1,046 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. 1,046 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. 1,010 views
Prove: (cotx sinx)(secx-cosx)=sin^2(X)
1. 1 answer
2. asked by Blossom
3. 985 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. 981 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. 980 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. 939 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. 922 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. 904 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. 902 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. 900 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. 861 views
I can not copy and paste to the board.
1. 7 answers
2. asked by Damon
3. 848 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. 814 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. 803 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. 799 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. 788 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. 784 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. 749 views
cosx/secx+sinx/cscx=sec^2x-tan^2x
1. 5 answers
2. asked by olivia
3. 748 views
Prove (cscx+cotx)(cscx-cotx)=1
1. 0 answers
2. asked by Blossom
3. 747 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. 744 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. 735 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. 731 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. 724 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. 721 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. 710 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. 702 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. 696 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. 696 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. 693 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. 660 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. 649 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. 647 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. 643 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. 638 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. 630 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. 621 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. 616 views
What is an AA curve?
1. 1 answer
2. asked by Nancy
3. 609 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. 609 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. 592 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. 580 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. 565 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. 565 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. 559 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. 555 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. 553 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. 553 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. 549 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. 548 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. 545 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. 537 views
cosx/sinxcotx=1
1. 3 answers
2. asked by olivia
3. 536 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. 534 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. 531 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. 530 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. 527 views
Sin^2x-1=-cos^2x
1. 1 answer
2. asked by Britney
3. 522 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. 521 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. 521 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. 514 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. 511 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. 498 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. 498 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. 495 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. 491 views
Help with doing a powerpoint presentation with show the Four Functions or management with Ethics
1. 1 answer
2. asked by Lori
3. 486 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. 486 views
What were the social costs of World War II?Thanks -MC
1. 4 answers
2. asked by mysterychicken
3. 485 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. 484 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. 480 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. 477 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. 476 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. 473 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. 472 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. 470 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. 468 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. 461 views

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