# Questions Asked onMarch 23, 2008

1. ## American Lit => Ms.Sue (Poetry analysis help)

Poem "for rosa parks" And how was this soft-voiced woman to know that this was "No" in answer to the command to rise would signal the begining of the time of walking Soft the word like the closing of some aweful book, a too-long story with no pauses for

2. ## English expression

1. He is of medium height. 2. He is of average weight. 3. He has medium height. 4. He has average weight. 5. He has long curved hair. 6. She has short straight blond hair. 7. She has medium-length wavy blonde hair ----------------------------------- Are

3. ## Physics-Gauss' Law, hard

Thank you Damon for answering my first questions fast and accurately. Do you or anybody else know how to do these harder Gauss' Law Problems? 1. A solid metal sphere of radius R has charge +2Q. A hollow spherical shell of radius 3R placed concentric with

4. ## Algebra HELP!

Solve the equation identify as an identity, an inconsistent equation or a conditional. My equation is 1-3/2x+7/4 I know the answer is Conditional {-2}, but I cannot figure out how to get it or even where to start.

5. ## algebra

solve the system of equations by graphing. Then classify the system as consistent or inconsistent and the equations as dependent or independent. x+y=14 x-y=2 What is the solution of the system of equations?

6. ## algebra 2

log x= 2.4 i have tried but i just cant get it i missed class that day and my teacher wont explain.

7. ## physics!!!!!

A small spherical insulator of mass 8.00*10^-2kg and charge +6.00*10^-7C is hung by a thin wire of negligible mass. A charge of -9.00*10^-7C is held 0.450m away from the sphere and directly to the right of it, so the wire makes an angle with the vertical.

12 ln x=44

9. ## Math

I seem to be having problems setting up Linear Programming questions. For example: Kustom Kars does van conversions. The Custom conversion required 15 hours of shop time, 8 hours of painting time, and 1 hour of inspection time. The Deluxe conversion

10. ## Spanish

How do you conjuate -ar -er and -ir verb?

11. ## History

During which battle did Guru Gobind Singh Ji say, "sava lakh se ek laraoon, tabe Gobind Singh naam kahaoon"?

12. ## algebra-word problem

Flying to Kampala with a tailwind a plane averaged 158 km/h. On the return trip the plane only averaged 112 km/h while flying back into the same wind. Find the speed of the wind and the speed of the plane in still air. TIA

Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c

14. ## Career

what website can i go create an resume and coverletter?

15. ## algebra word prob. - one more

The sum of the digits of a certain two-digit number is 7. Reversing its digits increases the number by 9. What is the number? TIA

Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c

17. ## alegebra

Solve the system of equations by graphing. Then classift the system as consistent or inconsistent and the equations as dependent or independent. 3x-y=14 3x+4y=-26 What is the solution of the system of equations? Type an ordered pair.N for no solution R for

18. ## homework

if price index in 2002is 120 and price index in 2003 is 110, then the rate of inflation is what? if GDP goes up what will happen?

19. ## LCD

I need a reveiw on how to use the LCD least common denominator to add and subtract

20. ## lesson planning

Where could I find a sample unit that focuses on animals that live in water?

21. ## Biology

I was wondering if someone could please explain this to me (please don't give me links to websites, I already have a thousand saved under my favourites, I just don't understand how to find my answer from the information the websites have provided).

asked by Needs a bio teacher
22. ## AP Biology

With regards to photosynthesis, if the following problems occurred, how would photosynthesis be affected? 1.) a.) NADP+ is not present in the thylakoid space b.) CO2 is not available to the plant Thanks

23. ## trig

2sin(x)cos(x)+cos(x)=0 I'm looking for exact value solutions in [0, 3π] So I need to find general solutions to solve the equation. But do I eliminate cos(x), like this... 2sin(x)cos(x)+cos(x)=0 2sin(x)cos(x)= -cos(x) 2sin(x) = -1 sin(x) = -1/2 at 4pi/3

24. ## Unit planning

Where could I find a sample unit that focuses on animals that live in water? The unit should have a literacy focus

25. ## Math

Gasoline is about \$2 per gallon. You use about gallons each day driving to and from work. How much should you budget for gasoline over the next month (about 20 workdays)?

26. ## deutsch

brauche hilfe dringend!!! hab drei fragen und suche scon seit eine woche die antworten aber ich kann einfach nichts finden!! 1.Bürgerliche scheinmoral als thema der jahrhundertswebde 2.Moralfragen im Stück der gute mensch von sezuan 3.Gerichtsszenen bei

27. ## alegebra

solve the system of equations by graphing. then classify the system as consistent or inconsistent and the equations as dependent or independent. 3u+v=13 3u=v+29 What is the solution of the system of equations?

28. ## Spanish for Jennifer

Be sure you find my answers to your exercises as it's now on page 2 and could be page 3 by the time you look! Sra

29. ## alegebra

solve the sytem of equation by graphing. Then classify the system as consistent or inconsistent and the equation as dependent or independent. y=-x-11 3x-2y=2 what is the solution of the system of equation.,

31. ## AP Statistics

Commercials Suppose that a commercial is run once on television, once on the radio, and once in a newspaper. The advertising agency believes that any potential consumer has a 20% chance of seeing the add on television, a 20% chance of hearing it on the

32. ## calculus

I have three questions I'm having a terrible time with: 1)Find, if possible, the absolute maximum value and where it occurs for f(x)=ln(xe^-x) on (0,infinity). 2)Find the value(s) of "c" guaranteed by the Mean Value Theorem for the function f(x)=ln(x^2) on

33. ## physics

Drift velocity is best defined as a. the relationship between current and current density b. the number of mobile electrons per volume c. the number of mobile electrons per length d. the flux of the current density through a given area e. the average speed

34. ## PHYSICS!!!

A neutron, a proton, and an electron are initially at the same distance from a relatively large stationary nucleus moving at a constant velocity. Assume the masses of the proton and neutron are equal. 1. Which is the first particle to reach the nucleus? 2.

35. ## Physics-Gauss' Law

1. If a surface is a 10 meter by 10 meter plane lying in the y-z plane, what is the vector representing the area of the plane? 2. If a sphere of radius 2 meters is placed in a uniform electric field of 3 N/C, what is the net flux through the sphere? 3.

36. ## Math

The interest rate on a second mortgage was 8 3/4%last month. This month the interest rate is 11 1/8%. How many percentage points has the interest rate increased?

37. ## psychology

what is the role glutamate in memory

38. ## Math

For the decimal 8.62354: What is the place value of 4?

39. ## algebra

What is Algebraic reasoning? How are repeated patterns connected to algebra?

40. ## psycology

what is the role glutamate

41. ## Egypt

What was the material used to plug the eye sockets of a mummy?

42. ## trig

Am I right on this? 2sec^2(2x)-8=0 2sec^2(2x)=8 divide by 2 sec^2(2x)=4 find square root sec(2x)=2 Now, would this simply be asking me to find where secant is equal to one? Or is there no solution because secan't (pun intended) be equal to anything above

43. ## math

what is 12% of 120?

44. ## Math

Find the least common multiple of 12, 18, and 30.

45. ## Math

Arrange in order from smallest to largest. 3.07, 3.0712, 3.078, 3.0717, 3.072, 3.071

46. ## Math

Round to the indicated decimal place. 6.949 tenths

47. ## Math

The circular surface of a table has a diameter of 7 ft. What will cost to have the top refinished if the company charges \$6 per square foot for the refinishing? Use 3.14 for ƒàƒnand round your answer to the nearest cent.

48. ## Math

You are making rectangular posters 24 in. by 15 in. How many square feet of material will you need for 6 posters?

49. ## Math

Find the decimal equivalent of the mixed number. 8 7/8

50. ## biology

name of Cells that release ACh into the synaptic cleft of a neuromuscular junction? name of Cells that secret the hormone "glucagon" ?

51. ## math

6xsquared +7x-3

52. ## American Lit for ~christina!

Look on page 2 of Jiskha message boards for additional information. =)

53. ## physics!!

A circuit contains a 12V power source, and a 3ohms, 4ohms, and 6ohms, resistor. How should the resistors be arranged for the current through the battery to be 2A? Please help!THANKS!

54. ## book discussions

In general, what are some "must ask" questions when holding a discussion about a book?

55. ## algebra 2

log[little 3] (2x-1)=3

56. ## calculus

how do you find the dy/dx of the square root of x minus the square root of y equal to 10? You have to use implicit differentiation.

57. ## chemistry

Sulphuryl chloride, SO2Cl2, decomposes according to the following first-order reaction: SO2Cl2(g) ¨ SO2(g) + Cl2(g) At a certain temperature, it is observed that it takes 147 minutes for 23.0% of the sulphuryl chloride to react. Calculate the half-life

58. ## AP Biology

Why is RuBP Regeneration important to photosynthesis?

59. ## algebra 2

log(base 2) (x=2)= log(base 2)x squared

60. ## chemistry

A reaction rate increases by 60.3% when the temperature is increased from 21.5 to 35.6°C. Calculate the activation energy (in kJ/mol) for the reaction.

61. ## AP Biology

Just wondering: why the Calvin Cycle can occur in the dark, but indirectly relies on sunlight? Thank you for your explanation.

62. ## Need your help!!!! Plzzzz (literacy)

I was ask by my literacy professor to find a sample unit plan that focuses on animals that live in the water/oceans/seas. The unit should include what the animals eat? How they survive underwater? How they move underwater? (amoung other things) She also

63. ## Calculus

I'm not sure how to solve the equation 5^x-12*(5^-x)-1=0

64. ## History

Can someone provides me a fews website on this topic: Discuss the transformation from agriculture to industrial of United States from 1865 -1940. I using google to search but I couldn't find information about it. Thanks

65. ## Chemistry

Can someone please explain to me whats the difference between a buffered and non-buffered solution?

66. ## calculus

This is stupid, but can anyone find the derivative of f(x)=8^(1-2x^2)?

67. ## Biology

What is the scientific procedure for making designer babies? What traits can all be chosen for the baby at this point in time? How will designer babies effect the world in the future?

68. ## Physical Science

Hello, Can some one please tell me if I have the correct answer? Thank You my answer: D In a cathode ray tube, the number of electrons that reach the fluorescent screen is controlled by the? A.anode B.cathode C.deflecting plate D.grid

69. ## Physical Science

Hello, I need some help with the following question. Thank You To use your left hand to determine the direction of the voltage developed in a moving conductor in a stationary magnetic field, you must point your ? A.thumb in the direction of the magnetic

70. ## Dr.Bob

welcome back =) and happy easter too.

71. ## Physics

Why are interference colors more apparant for thin films than for thick films?

72. ## Physics

The digital desplay of watches and other devices are normally polarized. What related problem can occur when wearing polarized sunglasses?

73. ## Physics

How can you determine the polarization axis for a single sheet of Poloroid?

74. ## Physics

If you are viewing a hologram and you close one eye, will you still perceive depth? Explain.

75. ## Sci275

I have been searching the web, I am supposed to "describe environmental benefits and challenges of urbanization." Do you know where I can look?

76. ## Calculus

Can someone please tell me how to derive V=4/3pi(r)^3 to get x^2+y^2=r^2?

77. ## Physical Science

Hello, Can someone tell me if I have the correct answer? Thank You my answer: B A circuit contains two devices that are connected in parallel. If the resistance of one of these devices is 12 ohms and the resistance of the other device is 4 ohms, the total

78. ## AP Biology

Why is it that the Calvin cycle is able to occur in the dark, but indirectly relies on sunlight? -Can someone give me a brief description?

79. ## chemistry

consider the following reaction CH3X + Y---> CH3Y + x at 25 degree celcius the following two experiments were run, yielding the following data: experiment 1 [Y]0=3M [CH3X] time 7.08×10^-3 1 4.52×10^-3 1.5 2.23×10^-3 2.3 4.76×10^-4 4 8.44×10^-5 5.7

80. ## Science

Hi i have a science exam on tuesday and really need some help to see if what im doing is right. The question is - How many electrons, protons and neutrons are in the following: a) Br1- b) Be2+ c) Ne d) P1- e) Fe AND MY ANSWERS ARE: a)35 electrons 35

81. ## 12 Biology! URGENT!

How is photosynthesis affected if photosystem I is not functional? No website, or text book seems to be providing me with a proper explanation; I seem to be missing the concepts of the photosystems :(. Thanks to whomever helps me!

82. ## Physics (mirrors)

If a virtual image occurs at 20cm "behind" a concave mirror, would u put a screen 20cm before the mirror to obtain the clearest possible image? if not, where?

83. ## Velocity

Which of these statements are true... I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A stationary object must have zero position 3)Two vehicles trvelling at the same speed at the same instant of time on the same road

84. ## maths

1 .Find formula the perimeter and area of a semicircle ? 2.Find formula the area of a circle whose circumference ?

85. ## Math- Double check

Please double check me Find the median of the following set of numbers. 47, 20, 52, 35, 58, 57 A) 49 1/2 B) 47 C) 48 1/2 D) 52 Answer: c Which of the following numbers are integers? 2/3, 35, 0.093, -650, 42.5 A) 0.093 and 42.5 B) 35 and -650 C) 2/3 D) -650

86. ## Physics

what is the amount of gravity im m/s on each planet in the solar system. I need to know by Wednesday. Thanks

87. ## physics

Find the intensity level 10m from a 0.24 watt source of sound energy?

88. ## physics

you drop a ball over the edge of a 350m high cliff. If T=15 deg celcius when will hear it strike the ground? do i just divide the 350m by the speed of sound in air at 15 deg celcius?

89. ## economics

hey i have a few questions i have no idea how to do them and the test is tuesday if price index in 2002is 120 and price index in 2003 is 110, then the rate of inflation is what? if GDP goes up what will happen?

90. ## math

find distance from (-4,2) to (5,14)

91. ## math

give the y-intercept for y=-5x

92. ## geometery

give the slope of x=2y=7

93. ## Science

there is a general relationship between the zones used by the ancient Greeks (torrid, temperate, and frigid) and the modern zones we recognize (tropical hot, tropical dry, midlatitude mild, midlatitude severe, polar......The question i have is how do the

94. ## math

How do I do the LCM?

Given a lapse rate of 3 degrees C/1000 meters and a temp of 20 degrees C at 0 meters: A.What is the air sitting at 3,000 meters elevation?___degrees C B.If a sample of air were lifted from 0 meters to 3,000 meters elevation, what would its new temp

96. ## Happy Easter

I just wanted to say Happy Easter everyone! And if you don't celebrate Easter, then Happy Sunday to you.

asked by Leo (Jiskha Homework Help)
97. ## Biology

What would be the consequences of the following be on photosynthesis? These are the only ones I am stuck on! a.) Photosystem I is not functional b.) NADP+ is not present in the thylakoid space Thanks very much

98. ## Photosynthesis

Does anyone know a good website that breaks down photosynthesis into really easy steps, so it is understandable and quickly learnable, all the while keeping all of the information a grade 12 student would need to know? Thanks, much appreciation! Happy

99. ## math

in a triangle BCA there are three medians b,c,a. Prove that 3(A^2+B^2+C^2)=4(a^2+b^2+c^2) (sides) = (medians)

100. ## physics

Find the length of string and speed of wave in string if frequency of given wave is 850 hz and the wavelength is 0.26m? The string is in a tube that is closed at both ends. I found the speed using v=freqeuncy*wavelength. How do i find the length of the

101. ## Maths/Physics

Which of these statements are true... I think (1)and (5) are correct 1)A reversing vehicle must have negative velocity 2) A stationary object must have zero position 3)Two vehicles trvelling at the same speed at the same instant of time on the same road

102. ## Physics

Compare two transmission lines: one at twice the voltage of the second. Which of the two lines is most advantageous to a utility company? How much is the advantage?

103. ## Calculus - Integrals

I have 3 questions, and I cannot find method that actually solves them. 1) Integral [(4s+4)/([s^2+1]*([S-1]^3))] 2) Integral [ 2*sqrt[(1+cosx)/2]] 3) Integral [ 20*(sec(x))^4 Thanks in advance.

104. ## physics

A charge of -2q is placed a distance r from the origin and a charge of +2q is placed a distance 2r from the origin. What is the amount of work needed to move a charge of q to the origin from infinity? I don't get the question. And please explain to me how

105. ## English

I am in the 7th grade and I love books that are fiction. Here are some books that I LOVE!! Kira Kira So B. It Olive's Ocean Becoming Naomi Leon Corner of the Universe Green Glass Sea Edward's eyes The problem is I need a new book to do a book report on and

106. ## physics

A neutron, a proton, and an electron are initially at the same distance from a relatively large stationary nucleus moving at a constant velocity. Assume the masses of the proton and neutron are equal. 1. Which is the first particle to reach the nucleus? 2.

107. ## Repost: Biology!

What would be the consequences of the following be on photosynthesis? These are the only ones I am stuck on! a.) Photosystem I is not functional b.) NADP+ is not present in the thylakoid space

108. ## chem

mass of mg- .28 mass of o- .41 calculate the moles of mg and o what is the simples whole number ratio of the moles of mg to the moles of o? round off to the nearest whole number ratio. use this mole ratio to write the empirical formula. the molecular mass