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Questions Asked on March 29, 2008

Use log5(2)=0.4307 and log5(3)=0.6826 to approximate the value of log5=54.According to the example in my book I would divide
1. 3 answers
2. asked by Lucy
3. 7,617 views
The intensity due to a number of indipendent sound sources is the sum of the individual intensities.A) When four quadruplets cry
1. 2 answers
2. asked by Amanda
3. 4,536 views
A ball of mass 0.150kg is dropped from a height of 1.25m. It rebounds from the floor to reach a height of 0.960m. What impulse
1. 2 answers
2. asked by JIM
3. 3,245 views
The triangle ABC is defined by the following information. Vector OA = (2, -3), vector AB = (3, 4), AB and BC are perpendicular,
1. 3 answers
2. asked by Wanda
3. 2,153 views
Chromium can be electroplated from an aqueous solution containing sulfuric acid and chromic acid, H2CrO4. What current is
1. 3 answers
2. asked by Sarah H
3. 2,134 views
Write the equation log243(81)=4/5 in exponential form.My answer is 243^4/5=81. Evaluate 9^log9(54). My answer is 6. Are these
1. 2 answers
2. asked by Lucy
3. 2,051 views
How can you tell if a compound consists of ions if it does not dissolve in water?
1. 2 answers
2. asked by ss
3. 2,014 views
Please check answers:Use the equation of the exponential function whose graph passes through the points (0,-2) and (2,-50) to
1. 1 answer
2. asked by Lucy
3. 1,637 views
The energy of a photon is directly proportional to its.....I think it may be frequency. Is that correct?
1. 1 answer
2. asked by Tara
3. 1,620 views
Please check the following:Solve log4(m-3)+ log4(m+3) =2 Answer: 1 Solve 6^3n=43^5n-4 Answer: 1.1202 Solve 5^2x+1>=50
1. 1 answer
2. asked by Lucy
3. 1,454 views
What is the molar enthalpy of combustion of magnesium? This was the lab question that I was asked to find after performing a lab
1. 1 answer
2. asked by Chase (sorry if this long)
3. 1,416 views
A cannon shoots a shell straight up. It reaches its maximum height, 837 feet, and splits into two pieces, one weighing 2 lb and
1. 3 answers
2. asked by Charlie
3. 1,389 views
For a L-C-R circuit Vin = v0*expjwt. Vout is taken across Ra) Calculate the impedance of the circuit measured from the input
1. 8 answers
2. asked by Sandhya
3. 1,387 views
This is an SAT question of the day that I can't understand.The sum of the digits of a three-digit number is 12. If the hundreds
1. 3 answers
2. asked by Anonymous
3. 1,260 views
The signs of DG, DH, and DS at 25°C are shown in the table below for three reactions.Reaction DG DH DS I - + + II - - + III - -
1. 1 answer
2. asked by Sarah H
3. 1,198 views
Log6(6^9)=???Answer: 9 Ine^-3x=??? Answer: -3x Use log5(2) = 0.4307 and log5(3) = 0.6826 to approximate the value of log5(12)
1. 1 answer
2. asked by Lucy
3. 1,198 views
1) If the kelvin temperature of a gas sample in a steel tank increases to three times its original value , what will happen to
1. 2 answers
2. asked by Jason
3. 1,193 views
Solve log2(7x-3)>= log2(x+12)My work: 6x=15 x=15/6 x-5/2 so my answer would be: x>= 5/2 Is this correct?
1. 1 answer
2. asked by Lucy
3. 1,172 views
Is this half-reaction H2(g) + 2 OH-(aq) ===> 2 H2O(l) = 2 ereduction or oxidation?
1. 2 answers
2. asked by Ginger
3. 1,169 views
Just quickly, I need someone's opinion/facts of the knowledge: is hydroelectricity better than solar energy (or vise versa) and
1. 2 answers
2. asked by Chase
3. 1,074 views
A cannon shoots a shell straight up. It reaches its maximum height, 1,051 feet, and splits into two pieces, one weighing 2 lb
1. 2 answers
2. asked by Charlie
3. 985 views
Can the rate of a nuclear reaction be changed by an increase of temperature?
1. 3 answers
2. asked by Sarah
3. 956 views
The volume of a cube is 512 cm cubic.Find its surface area ?
1. 3 answers
2. asked by MTH
3. 930 views
do either one of these have a health or environmental effect ? Carbon dioxide (CO2)Chlorofluorocarbons (CFCs)
1. 2 answers
2. asked by Help Please
3. 922 views
Graph the functionx if -2<=x<=3 I know x would be x|-2|-1|0|1|2| But I do not understand how to find y. Can someone tell me how
1. 3 answers
2. asked by Jimmy
3. 869 views
Use the cross product to find a vector perpendicular to each of the following pairs of vectors.(2, -1, 3) and (1, 4, -2) Can
1. 1 answer
2. asked by Anonymous
3. 842 views
What form is the first movement of Mozart Piano Concerto No 21 K. 467 in? Is it sonata allegro? Please someone help me out, I
1. 1 answer
2. asked by Seymour
3. 805 views
Solve, round to four decimal places if necessary:log4(x-9)=2 Answer: x-9=4^2 x-9=16 x=11 log4(z)+log4(z-3)=1 Answer: z+z-3=1
1. 2 answers
2. asked by Lucy
3. 784 views
what are sports that is related in turks and caicos island
1. 1 answer
2. asked by levonjah
3. 761 views
describe how at least one fossil fuels and minerals is formed from its sources
1. 1 answer
2. asked by tonya
3. 754 views
last 2 for tonightExpress log6(19) in terms of common logarithms. Then approximate its value to four decimal places. Answer:
1. 2 answers
2. asked by Lucy
3. 743 views
I am trying to solve the sytems of equations using the elimination method.2x+4y=10 -3x+3y=-6 I tied multiplying the first
1. 2 answers
2. asked by G
3. 734 views
A chemist was asked to find the molecular mass of a gas. She massed the gas and found that 3.73 g of the gas occupied 300 cm3 at
1. 2 answers
2. asked by B
3. 733 views
Find a single vector equivalent to each expression below.a) 5(0, -2, -4) - 4(3,8,0) Please show me all steps so I can understand
1. 1 answer
2. asked by Anonymous
3. 730 views
Which of the following is the most energetic?Infrared Photon,Gamma Ray Photon, X-Ray Photon, or Visible Photon. Is it Visible
1. 1 answer
2. asked by Tara
3. 714 views
Could you please tell me if is this correct?"Plusieur des grands magasins de New York ont...." I have read elsewhere that after
1. 14 answers
2. asked by Anonymous
3. 695 views
This is an example in the text book.Using vectors, demonstrate that the three points A(5, -1), B(-3,4) and C(13,-6) are
1. 3 answers
2. asked by Anonymous
3. 671 views
A cannon shoots a shell straight up. It reaches its maximum height, 1,051 feet, and splits into two pieces, one weighing 2 lb
1. 2 answers
2. asked by Charlie
3. 669 views
I am doing a project on the trial of Charles (Lucky) Luciano and I am having trouble finding primary sources. Does anyone know
1. 0 answers
2. asked by Kaite
3. 617 views
Imagine you were an officer confronted with a hostage situation. Explain how you would use the twelve stagesexplain how you
1. 2 answers
2. asked by Tom
3. 589 views
representation of violence in the media?Qualitative approach: Title- abstact brief summary of project - Introduction plus a
1. 1 answer
2. asked by eddie
3. 585 views
what is .020833333 in scientific notation?
1. 2 answers
2. asked by Jon
3. 572 views
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the x-axis.y=ln x,
1. 2 answers
2. asked by Pan
3. 571 views
I don't know if my other post went through or not, so I'm reposting it here. The first question I didn't know the answer to and
1. 4 answers
2. asked by Emily
3. 570 views
The energy of an X-ray photon is ..... the energy of a gamma ray photon.I think its the same as. Is that right?
1. 1 answer
2. asked by Tara
3. 569 views
A sample of hydrogen has a volume of 1100 mL when the temperature is -0.899999999999999 degC and the pressure is 0.888 atm. What
1. 1 answer
2. asked by zach
3. 561 views
SolveFind (f o g)(-6) when f(x)=4x+4 and g(x)=6x^2-3x-6. I originally came up with 918, but the answer is 916. Obviously I was
1. 2 answers
2. asked by Anonymous
3. 548 views
I was just wondering if someone could give me a little insight on where to begin.You receive an e-mail from your supervisor
1. 1 answer
2. asked by April
3. 542 views
I have to write a 3 page essay on "Is Tradition a Neurosis?" Any ideas please?
1. 2 answers
2. asked by Eleanor
3. 527 views
I cannot figure out how to work this one. I have tried working it like the example in the book but cannot come up with one of
1. 0 answers
2. asked by Lucy
3. 505 views
why does a weather balloon get bigger as as it rises from Earth's surface?I don't understand how this relates to "kinetic
1. 1 answer
2. asked by Jason
3. 503 views
what was the substance used to stuff the nostrils of the mummy's in egypt
1. 2 answers
2. asked by mindy
3. 501 views
I have a test on monday and I need help with these two questions, please.1)Prove that the magnitude of the vector OP = (a,b,c)
1. 0 answers
2. asked by Anonymous
3. 475 views
I am making a poster on the cold war. I wanted to make the background look like cracked ice, like on a lake. I thought I could
1. 1 answer
2. asked by Morgan
3. 474 views
Can the sum of two unit vectors be a unit vector? Can the difference?
1. 0 answers
2. asked by Anonymous
3. 469 views
What forms of testing do sociologist utilize to measure prejudice?
1. 1 answer
2. asked by Belinda
3. 467 views
If a = 3i + 2j - k and b = -2i + j calculate each magnitude.a) a + b I got sqrt3, but the answer at the back of the book says
1. 3 answers
2. asked by Anonymous
3. 463 views
Consider the following reaction,A <===> B in a 1.00L container. At 1.77°C, the molar concentrations of A and B, respectively,
1. 1 answer
2. asked by Sarah H
3. 462 views
Solve, round to 4 decimal places if necessary:3.9^m-4=10.21 Answer: (m-4)In(3.9)=In(10.21) m(In3.9)-4(In3.9)=In(10.21)
1. 1 answer
2. asked by Lucy
3. 453 views
A sample of fluorine has a volume of 3.6 L when the temperature is 112.3 degC and the pressure is 922 torr. What will be the
1. 1 answer
2. asked by zach
3. 450 views
name two devices that we use on earth, which use the same principles as space capsules. Explain for each one.
1. 2 answers
2. asked by Haya
3. 445 views
I keep seeing 7.620497955 as the electrical force between a proton and electron but when I multiply (8.99 x 10^9)(1.602 x
1. 2 answers
2. asked by karla
3. 445 views
If a Manatee and a Californian Sea lion's Brain are roughly the same size whihc mammel will have a cerebal cortex with a larger
1. 1 answer
2. asked by amy
3. 434 views
What is Saturn's temperature(high and low)?
1. 0 answers
2. asked by Jennifer
3. 431 views
Hi,I've got a question about producer surplus. I know that the magnitude of producer surplus would depend on the elasticity of
1. 1 answer
2. asked by Martin
3. 426 views
I don't know which is whichy=(x+9)^2-3 I know it is all real numbers, but i don't know if my answer should be [-3,00) or (-9,00)
1. 2 answers
2. asked by Lori
3. 422 views
Calculate the magnitude of a when a = (2, 3, -2). Find (1/|a|)xa. Is it a unit vector.I calculated the |a| = sqrt17. I don't
1. 1 answer
2. asked by Anonymous
3. 422 views
A sample of chlorine has a volume of 2.5 L when the temperature is 84.1 degC. Assuming that the pressure is constant, at what
1. 1 answer
2. asked by zach
3. 422 views
Simplify:(x^5)(x^pi) Answer: x^5+pi x=8.14 Round to 4 decimal places if necessary: (1/5)^t-2 = 125 (5^-1)^t-2=125 5^-t+2=5^3
1. 1 answer
2. asked by Lucy
3. 419 views
Many Thanks for your answer
1. 0 answers
2. asked by Danial
3. 418 views
Find the dot product of the following vectors:a = (4, 1) b = (-1,4) a = (7,8) b = (4, -7) You have to find the angle too. Can
1. 1 answer
2. asked by Anonymous
3. 402 views
Why did the Romans invade Palestine in the time of Jesus?
1. 1 answer
2. asked by Kelly
3. 398 views
Do circular electric lines of force exist ? why? what about magnetic lines of force?Pl help
1. 2 answers
2. asked by Sandhya
3. 394 views
I need to solve for k'eq:-13.8= -2.479 ln k'eq -11.321= ln k'eq How do I get the ln out of the way in order to solve for k'eq?
1. 1 answer
2. asked by stew
3. 393 views
the demand equation for a certain type of printer is given by D=-200pt 35,000
1. 1 answer
2. asked by darren-help
3. 388 views
need information on patricia ann bianconi background
1. 2 answers
2. asked by patty
3. 346 views
h(x)=5/x^2+6I know the answer is: f(x)=x+6, g(x)=5/x^2, but I do not know how to get it. Can someone help me understand it?
1. 4 answers
2. asked by Tim
3. 297 views

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