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2011
March

Questions Asked on March 19, 2011

if f'(x)=2f(x) and f(2)=1, then f(x)= ?
1. 1 answer
2. asked by mark
3. 1,116 views
Given that the pKa for Acetic Acid is 4.77, calculate the expected pH of the buffer solutions using the Henderson-Hasselbalch
1. 2 answers
2. asked by M_Joe
3. 783 views
solve the initial value problem by separation of variables 8. dy/dx=x+1/xy, x>0, y(1)=-4
1. 1 answer
2. asked by mike
3. 1,306 views
HOW MANY HOURS ARE IN 5.400 MINUTES
1. 1 answer
2. asked by Americal
3. 430 views
solve the initial value problem by seperation of variables du/dt=2t+sec2t/2u, u(0)=-5
1. 1 answer
2. asked by mike
3. 453 views
solve the initial value problem by seperation of variables du/dt=2t+sec2t/2u, u(0)=-5
1. 1 answer
2. asked by joseph
3. 687 views
How can an organization forecast future staffing needs in order to maintain consistent staffing levels?
1. 1 answer
2. asked by erica
3. 429 views
A beaker with 100 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and
1. 10 answers
2. asked by Sandra
3. 692 views
cos(tan + cot) = csconly simplify one side to equal csc so far I got this far: [((cos)(sin))/(cos)] + [((cos)(cos))/(sin)] = csc
1. 2 answers
2. asked by Amy
3. 960 views
In 1992 the life expectancy of males in certain a countrywas 66.5 years in 1996 it was 69.4 years let E represent the life
1. 1 answer
2. asked by carmela
3. 480 views
Why should the sodium hydroxide pellets be completely dissolved in the preparation of the NaOH solution?please explain
1. 3 answers
2. asked by Maria
3. 835 views
1. They are a poet and a statesman.2. He is a poet and statesman. 3. They are a poet and statesman. 4. Both are a poet and a
1. 1 answer
2. asked by rfvv
3. 507 views
1. He is a black and white dog.2. It is a black and white dog. 3. She is a black and white dog. (Are they all grammatical?)
1. 2 answers
2. asked by rfvv
3. 432 views
for (sec x -1)(sec x + 1) = tan^(2) xso far I got up to: (sin^(2)x / cos x) (-sin^(2)x / cos x) what would the next step be?
1. 2 answers
2. asked by Amy
3. 399 views
thw width of a rectagular poster is 16in.its length is twice its width.find its perimeter
1. 2 answers
2. asked by Anonymous
3. 506 views
a pennant is shaped like an isosceles triangle.the short side is 14in.long and is half the length of each longer side.find the
1. 2 answers
2. asked by Anonymous
3. 961 views
can a uniform graph have a curve? or does it always have to be straight?
1. 1 answer
2. asked by gale
3. 357 views
how do you comfere two and three fourth of a yard.
1. 1 answer
2. asked by Americal
3. 325 views
a 210 ft. long rope is cut into 3 pieces. the first piece of rope is 3 times as long as the second rope. the 3rd piece of rope
1. 4 answers
2. asked by jane
3. 570 views
how to confert 3 quarters into inches
1. 1 answer
2. asked by Americal
3. 373 views
For what values of k is lim x -> INF coshkx/sin2x finite?
1. 2 answers
2. asked by Abi
3. 825 views
Is 1 mol of pure salt greater than 1 mol of iron?
1. 1 answer
2. asked by Natalie
3. 384 views
A researcher is testing the hypothesis that consuming a sports drink during exercise improves endurance. A sample of n=50 male
1. 1 answer
2. asked by Melissa Williams
3. 1,681 views
Review the video titled Writing Process. Read the Short Form Axia Writing Style Handbook. What are the two most helpful
1. 0 answers
2. asked by Anonymous
3. 558 views
True or false: A data file can be used by more than one program.
1. 3 answers
2. asked by see
3. 439 views
10. Explain how the power of a hypothesis test is influenced by each of the following. Assume that all other factors are held
1. 0 answers
2. asked by Melissa Williams
3. 646 views
Briefly explain how increasing sample size influences each of the following. Assume that all other factors are held constant.a.
1. 1 answer
2. asked by Melissa Williams
3. 4,634 views
I need help with my homework. I have no text to read and I am stumped. If someone could help me that would be great....thank
1. 3 answers
2. asked by Brecken
3. 1,071 views
Michael invested his savings in two investment funds. The amount he invested in Fund A was $2,000 less than the amount he
1. 0 answers
2. asked by B
3. 1,224 views
1. the mystery shape has fawer than 3 lines of symmetry. 2. it has at least 1 pair of perpendicular sides. 3. it has at least 1
1. 4 answers
2. asked by Rayna
3. 1,098 views
motorcycle race 1 lape=750m. at the start gina sets off 4 sec. after tom but drives the motorcycle 3.5m/s fasteran finishes in
1. 0 answers
2. asked by Anonymous
3. 396 views
Lisa studies 8 hrs. for a particular test and gets a score of 78. at this rate how many hours would she have to study to get a
1. 2 answers
2. asked by Kim
3. 835 views
Which river might be used to transport materials mined near Irkutsk to manufacturing centers?
1. 1 answer
2. asked by Alyonka
3. 373 views
Does Russia grow sugar beets or Ukraine?
1. 1 answer
2. asked by Alyonka
3. 498 views
13x+11y=7011x+13y=74
1. 2 answers
2. asked by simultaneous
3. 1,254 views
integral of inverse root(8x+x^2)
1. 0 answers
2. asked by njiru
3. 319 views
WHAT TYPE OF MIRRORS ARE USED IN A PERISCOPE(CONCAVE, CONVEX?) ALSO,DRAW A RAY DIAGRAM OF A PERISCOPE
1. 4 answers
2. asked by ADAM
3. 741 views
just can't figure these sentences out.have to rewrite these sentences, correcting the problem of incorrect omission.? 1. A
1. 10 answers
2. asked by Ann
3. 5,518 views
how does sin^2x-cos^2x =1could someone explain or write down steps on how the left side becomes 1?
1. 3 answers
2. asked by Amy
3. 414 views
Three point charges lie along a circle of radius r at angles of 30°, 150°, and 270° as shown in the figure below. Find a
1. 2 answers
2. asked by Mina
3. 2,030 views
Three point charges lie along a circle of radius r at angles of 30°, 150°, and 270° as shown in the figure below. Find a
1. 1 answer
2. asked by Mina
3. 952 views
Please heeelp!!!A 65.0 kg diver is 2.10 m above the water, falling at speed of 6.70 m/s. Calculate her kinetic energy as she
1. 1 answer
2. asked by Ly
3. 542 views
the original problem was:(sin x + cos x)^2 + (sin x - cos x)^2 = 2 steps too please I got 1 for (sin x + cos x)^2 but then what
1. 3 answers
2. asked by Amy
3. 426 views
ok this problem has made me crazy , 15 % is w\v ok , so i just the m1 , the mass of naoh i don't need the volume , so ill
1. 2 answers
2. asked by auro
3. 535 views
How many mol of Oxygen are in 45.9 grams of CO2?
1. 2 answers
2. asked by Anonymous
3. 2,353 views
During the menstrual cycle, the ovarian steroid hormones estrogen and progesterone control a dramatic transcriptional
1. 0 answers
2. asked by Lena
3. 560 views
A ball starts from rest down a smooth (frictionless) 45 degree inclined plane 10 m above the floor. How fast will it be going
1. 2 answers
2. asked by Rodney
3. 551 views
How many grams of SO2 can be produced from 100g of S and excess O2
1. 2 answers
2. asked by Mo
3. 2,119 views
lena carried out an investigation to find the energy content in bacon rind she lit the bacon rind with a bunsen burner and held
1. 0 answers
2. asked by ellen
3. 545 views
How was the life style of buddy bolden and some ups and downs?describe some interesting things about the life of jelly roll
1. 3 answers
2. asked by SUBORNA
3. 608 views
I have two questions:1. A sample of 10.7 g of CO reacts completely with O2 to form CO2. How many grams of CO2 will be formed? 2.
1. 3 answers
2. asked by Lauren
3. 739 views
Two sounds have measured intensities of I1 = 100 W/m2 and I2 = 300 W/m2. By how many decibels is the level of sound 1 lower than
1. 0 answers
2. asked by Jane
3. 579 views
Concentrated HCI is 12M. What is the moloarity of an HCI solution prepared by diluting 10ml concentrated HCI
1. 1 answer
2. asked by please help
3. 506 views
Concentrated HCI is 12M. What is the molarity of an HCI solution prepared by diluting 10ml concentrated HCI to a total volume of
1. 1 answer
2. asked by please help
3. 590 views
What is the molar concentration of calcium hydroxide that has 0.185g solute in 100ml solution?
1. 1 answer
2. asked by please help
3. 544 views
Concentrated nitric acid is 16M. What volume of nitric acid must be diluted must with distilled water to prepare 5L of 0.1M
1. 1 answer
2. asked by please help
3. 744 views
Sandy is making curtains from fabric that is 44 inches wide. Her curtain pattern is 27 inches long and 44 inches wide. How many
1. 1 answer
2. asked by Carlyn
3. 502 views
The Vashi family has a 20-gallon aquarium that is only 3/4 full. The family uses a 2-quart pitcher to add water to the aquarium.
1. 2 answers
2. asked by Genecis
3. 504 views
Write 9 sentences about the role of education in successful financial planning, in which you correctly use a different verb
1. 2 answers
2. asked by michael
3. 504 views
How many grams of water vapor (H2O) are in a 10.2 liter sample at 0.98 atmospheres and 26°C? Show all work used to solve this
1. 3 answers
2. asked by Victoria Ann
3. 539 views
When a vacuum is pulled on the water with a 29.4 in.Hg,What is vapor created for each pound of water removed in cubic feet?
1. 0 answers
2. asked by Eric
3. 383 views
What is the molarity of ZnCl2(aq) that forms when 15.4 g of zinc completely reacts with CuCl2(aq) according to the following
1. 2 answers
2. asked by Rebekah
3. 646 views
1)Find the sum of the first eight terms of the Geometric progression 256,128,64,322)How many terms should be taken from the
1. 3 answers
2. asked by la bellgoss
3. 1,505 views
Each of the Spanish sentences below is incorrect in either grammar or meaning. Rewrite each sentencecorrectly 1. El rey que
1. 1 answer
2. asked by anon
3. 1,364 views
Calculate the % by mass of sulphur in (NH4)2 SO4
1. 1 answer
2. asked by Hunsu bidemi
3. 456 views
Each of the Spanish sentences below is incorrect in either grammar or meaning. Rewrite each sentencecorrectly. 1.La princesa
1. 1 answer
2. asked by anon
3. 1,434 views
Two angles are complementary. The sum of the measures of the larger angle and three times the measure of the smaller angle is
1. 1 answer
2. asked by ekam
3. 899 views
The "face module," located in the right temporal lobe of the brain, explains why:the cells fire when a dog lover looks at
1. 1 answer
2. asked by Chloe
3. 557 views
{Given: cos(A)=\frac: sqrt{203}/{18}{Find: tan(A) Find the positive value of the above in simplest radical form.
1. 1 answer
2. asked by bbee
3. 560 views
What mass of NaCl is required to precipitate all the silver ions from 19.2 mL of 0.100 M AgNO3 solution?
1. 4 answers
2. asked by Sara
3. 2,407 views
What is the electromagnetic flux coming from the surface of a 5000K blackbody?
1. 0 answers
2. asked by james
3. 467 views
the problem requires the quantity of NaOH, this is what i don't understand what does it mean by quantity , the volume , the mass
1. 1 answer
2. asked by auro
3. 396 views
I read up on most of the information concerning this subject, and I still need help.Japanese Internment When President Roosevelt
1. 1 answer
2. asked by David
3. 623 views
determine the quantity of NaOH whose concentration is 15% to neutralize 176g H2SO4 , this is the exact problem and no its not an
1. 1 answer
2. asked by auro
3. 398 views
Determine the volume of 0.240 M KOH solution required to neutralize each of the following samples of sulfuric acid. The
1. 2 answers
2. asked by Rebekah
3. 873 views
The Lady of ShalottI have an event and have to find the quotation. 1) The handsome, dazzling figure of Sir Lancelot rides by in
1. 2 answers
2. asked by george
3. 691 views
Which one of the following statements about the gate-control theory is true?Pain impulses create a gate leading to the brain.
1. 3 answers
2. asked by Chloe
3. 2,098 views
2g NaHCO3 + .6 mL HCL --> NaCl+CO2+H2OHow much carbon dioxide do I get? How do I find out?
1. 1 answer
2. asked by Michelle
3. 562 views
An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is
1. 0 answers
2. asked by Amy
3. 693 views
The instructions say to convert3/4 - 1/8 to a mixed number the answer I have is 5/8 Can you convert a proper fraction to a mixed
1. 4 answers
2. asked by Suzanne
3. 751 views
what are some famous dictators that were either removed or killed and what did they do?
1. 1 answer
2. asked by Lily
3. 679 views
determine the quantity of NaOH whose concentration is 15% w/v to neutralize 176g H2SO4 , this is the exact problem and no its
1. 2 answers
2. asked by auro
3. 979 views
2g NaHCO3 + .6 mL HCL --> NaCl+CO2+H2OHow much carbon dioxide do I get? How do I find out? I got 410 mL of CO2, is this correct?
1. 1 answer
2. asked by Michelle
3. 622 views
the vertex angle of an isoceles triangle is 120. the base length is 18. what is the length of the altitude to the base in
1. 1 answer
2. asked by Juleana
3. 2,025 views
ethan had $8 more than dakota. ethan then gave 1/4 od hia money to dakota. the ratio of money ethan had to the money dakota had
1. 4 answers
2. asked by Eve
3. 1,225 views
the diagonals of a rhombus have lengths 4 and 12. what is the length of a side in simplest form.
1. 2 answers
2. asked by Juleana
3. 1,735 views
A cylinder ( I = 1/2 MR2), a sphere ( I = 2/5 MR2), and a hoop ( I = MR2) roll without slipping down the same incline, beginning
1. 0 answers
2. asked by John
3. 572 views
A figure skater spins on the ice, holding two weights a distance d from the axis about which he is rotating. At a certain time,
1. 0 answers
2. asked by John
3. 1,104 views
A disk lying on the XY plane rinitially roates counter-clockwise with a rotational speed of w0. After a time interval rt, the
1. 0 answers
2. asked by John
3. 461 views
A cylinder (I = 1/2 MR2), a sphere (I = 2/5MR2), and a hoop (I = MR2) roll without slipping down the same incline, beginning
1. 1 answer
2. asked by John
3. 898 views
An advertisement has the best chance for success if it:is accompanied by loud music and rapid banter. is above threshold.
1. 1 answer
2. asked by Chloe
3. 468 views
WHAT IS EQUIVALENT TO 11/3?
1. 2 answers
2. asked by AD
3. 518 views
A ball rolls along a horizontal frictionless surface without slipping toward and incline. The ball moves up the incline a
1. 0 answers
2. asked by John
3. 764 views
A figure skater spins on the ice, holding two weights a distance d from the axis about which he is rotating. At a certain time,
1. 0 answers
2. asked by John
3. 612 views
A figure skater spins on the ice, holding two weights a distance d from the axis about which he is rotating. At a certain time,
1. 0 answers
2. asked by John
3. 529 views
The constant torque required to accelerate a disk (of rotational inertia I) from rest to a speed of f rotations per second in a
1. 0 answers
2. asked by John
3. 457 views
A wheel with radius R, mass m, and rotational inertia I rolls without slipping across the ground. If its translational kinetic
1. 1 answer
2. asked by John
3. 1,235 views
A particle is moving clockwise in a circle of radius 1.75 m. At a certain instant, the magnitude of its acceleration isa = a =
1. 1 answer
2. asked by HELP!!!!
3. 1,341 views
A race car is making a U-turn at constant speed. The coefficient of friction between the tires and the track is μs = 1.0. If
1. 1 answer
2. asked by HELP!!!!
3. 1,805 views
speedway turn, with radius of curvature R, is banked at an angle θ above the horizontal.(a) What is the optimal speed at which
1. 4 answers
2. asked by Hard to solve ..please help!!!!
3. 855 views

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