# Questions Asked onDecember 5, 2010

1. ## chemistry

lithium + gold(III) chloride +lithium chloride + gold need to balance equation

2. ## Chemistry

What is the solubility equilibrium for Mn3(PO4)2? Isn't it this.. Mn3(PO4)2 (s) --> 3Mn^+2 (aq) + 2PO4^-3 (aq) but i keep getting it wrong. suggestions?

3. ## Physics HELP!

A 650 N boy and a 490 N girl sit on a 150 N porch swing that is 1.70 m long. If the swing is supported by a chain at each end, what is the tension in each chain when the boy sits .75 m from one end and the girl .5 m from the other end?

If wind blows at a speed of 30 m/s over the roof of your house, what is the pressure diference on your roof between the air inside and the air outside? What net force does this produce on a roof having an area of 175 m^2? 1.3 kg/m^3 is the density of air.

5. ## Chemistry

describe how you would make a 2.5L of a .100M KCL solution from a 5.5M stock solution

6. ## Chemistry

From the lewis structure of AlCl4- where should I place the formal charge? next to Al or Cl?

7. ## Pre -calculus

An observer 2 km from the launching pad observes a vertically ascending missile at an angle of elevation of 21 degrees. 5 seconds later the nagle has increased to 35 degrees. What was its average speed during this interval? If it keeps going vertically at

8. ## Physics

When a drag strip vehicle reaches a velocity of 60 m/s, it begins a negative acceleration by releasing a drag chute and applying its brakes. While reducing its velocity back to zero, its acceleration along a straight line path is a constant -7.5 m/s2. What

9. ## Chemistry

What is the electron domain for: a)CH3I b)ClF3 c)H2S d)SO3 e)SO4^-2

10. ## Chemistry

How many unpaired electrons are in the electron structure of 24 Cr, [Ar]4s1 3d5

11. ## math

Convert to scientific notation: 0.000678

12. ## physics

A 0.280-kg volleyball approaches a player horizontally with a speed of 15.0 m/s. The player strikes the ball with her fist and causes the ball to move in the opposite direction with a speed of 22.0 m/s. a)what impulse is delivered to the ball by the

13. ## college Chemistry

Why was there condensation of the beaker of cold water when a blue flame was passes underneath? This experiment is from the Gas Burner experiment. A) the product of carbon dioxide from combustion (B) the product of hydrogen dioxide from combustion (C) left

14. ## world history

How did movable type help the Chinese to record their knowledge in a permanent form?

15. ## physics

hummingbird beats wings with frequency of 80.0 Hz. What is period of bird's flaps? I know T = 1/f , but what is the label/units for the answer?

16. ## writing

i really need help of this writing assigment. i have been working on it for hours now and my brain is just jammed. okay .. the assigment is to Write an eight sentence paragraph that fully develops the topic of how drunk driving can be stoped. this is what

17. ## Chemistry

An aqueous mixture containing starch (a colloid), NaCl, glucose, and albumin (a colloid) is placed in a dialyzing bag and immersed in distilled water. Which of the following correctly describes the location of the indicated substance after dialysis?

18. ## geometry

the area of a triangle is 147 square inches and its height is 1.5 times its base. find the base and the height of the trianle.

19. ## Chemistry

An aqueous mixture containing starch (a colloid), NaCl, glucose, and albumin (a colloid) is placed in a dialyzing bag and immersed in distilled water. Which of the following correctly describes the location of the indicated substance after dialysis?

20. ## Chemistry

Since BrF3 and ClF5 do not obey the octet rule. Did IF7 obey the octet rule? Yes or No?

21. ## physics

What force is necessary for a person to hold a 50 kg mass over their head?

22. ## Chemistry

The melting point of aspirin : 128-137Celsius degree. The melting point of the crude aspirin was measured to be 128 Celsius degree. What does it indicate about the purity of the product?

23. ## Physics

A vertical cylindrical cylinder, closed at the bottom end, contains 0.0100 moles of gas. It is fitted at the top with a piston, which can move freely. The mass of the piston is 14.0 kg and the initial height of the piston above the bottom of the cylinder

24. ## science

A 75-kg person on skis is going down a hill sloped at 30.0°. The coefficient of kinetic friction between the skis and the snow is 0.15. How fast is the skier going 10.0 s after starting from rest?

25. ## math

Suppose two dice (one red, one green) are rolled. Consider the following events. A: the red die shows 5. B: the numbers add to 4. C: at least one of the numbers is 3. D: the numbers do not add to 10. Express the event "The numbers do not add to 4." in

26. ## Chemistry

Wen 4Ag + 2H2S + 02 -> 2Ag2S + 2H20 and the reactants inclde 12 mol Ag, 6 mole of H2S and 96 G of 02 the limiting reactant is?

27. ## statistics

Im am so lost.... A bank conducts a survey in which it randomly samples 400 of it customers. The survey asks the customers which way they use the bank the most, (1) interacting with teller, (2)atm use, (3) internet bank service. It was also asked their

28. ## physics

A gymnast of mass 63.0 {\rm kg} hangs from a vertical rope attached to the ceiling. You can ignore the weight of the rope and assume that the rope does not stretch.Calculate the tension T in the rope if the gymnast climbs up the rope with an upward

29. ## chemistry

How many grams of methane gas were used to fill a baloon to a volume of 3.0 L at STP?

30. ## physics

Density is calculated by dividing the mass of an object by its volume. The Sun has a mass of 1.99×1030 kg and a radius of 6.96×108 m. What is the average density of the Sun?

31. ## chemistry

Acetylsalicyclic Acid, HC9H704, is the active component is aspirin. Two extra strength aspirin tablets, each containing 500 mg of acetylsalicylic acid, are dissolved in 325 ml of water. What is the pH of the solution? (Assume Ka=3.3x10^-4)

32. ## Physics

A 500 g block is released from rest and slides down a frictionless track that begins h = 1.70 m above the horizontal, as shown in Figure P13.56. At the bottom of the track, where the surface is horizontal, the block strikes and sticks to a light spring

33. ## Chemistry

Use average bond energies to calculate delta Hrxn for C(s)+2H2O(g)-->2H2(g)+CO2(g)

34. ## Physics

A bullet of mass 0.02kg is fired at a speed of 500m/s towards a fixed wooden block of thickness 10cm. The bullet penetrates the block and emerges with a speed of 200m/s. a) Find the average retarding force on the bullet when it is passing through the

35. ## huckleberry finn

in the book huckleberry finn manys words are used that mean something like "to beat someone" for example to lick. i need to find 8 more of words that are used to mean "to beat" if you know any and the page number/chapter it is used in the book that would

36. ## to Anonymous, <3, and Thanks to all Jiskha Teacher

We do not allow students to be successful imposters of our tutors. You have been banned from posting for this reason. Perhaps in a few days, you'll be unbanned ... to see if you've learned acceptable online behavior. =(

37. ## science

A wagon with a weight of 300N is accelerated across a level surface at 0.5 m/s . What net force acts on the wagon

38. ## physics - speed of electron in magnetic field

A beam of electron is accelerated by a potential difference of 2.5okV. The electrons are then allowed to pass into a magnetic field of strength 10.0mT. As the electrons enter the field, the direction of the velocity is at right angles to the direction of

39. ## physics

What force is necessary for a person to hold a 50 kg mass over their head?

40. ## Chemistry

What volumes of 0.46 M HNO2 and 0.54 M NaNO2 must be mixed to prepare 1.00 L of a solution buffered at pH = 3.40? a) HNO2 b) NaNO2 answer in L

41. ## Physics

A bat can detect small objects, such as an insect, whose size is approximately equal to one wavelength of the sound the bat makes. If bats emit a chirp at a frequency of 50.0 kHz, and if the speed of sound in air is 340 m/s, what is the smallest insect a

42. ## stat

7. A researcher selects a random sample. A 90% confidence interval for a population mean  A) is an interval with margin of error ± 90%. B) has the property that if we repeatedly selected our random sample in exactly the same way, each time constructing

43. ## Chemistry

Consider the following chemical equation. Cl2(g) + O2(g) → Cl2O3(g) Assuming all gases are at the same temperature and pressure, how many milliliters of oxygen gas must react to give 3.50 L of Cl2O3?

44. ## Gen. Chemistry

What is the original molarity of a solution of weak acid whose Ka= 3.5 x 10^ -5 and pH is 5.20... I'm lost, please help!

45. ## chemistry

water has a vapor pressure of 23.76 torr at 25C if 1.15 g H2O is enclosed in a 1.0 L container will any liquid be present if so what is the mass of the water?

46. ## physics

Figure 6-43 shows a "conical pendulum", in which the bob (the small object at the lower end of the cord) moves in a horizontal circle at constant speed. (The cord sweeps out a cone as the bob rotates.) The bob has a mass of 0.060 kg, the string has length

47. ## physics

Three masses are arranged on a flat surface as shown. Two of the masses are as follows: m2 = 16.3 kg and m3 = 66.5 kg. A horizontal force of 519 N applied to m2 accelerates the masses across the floor, which has a coefficient of friction of μ = 0.312, at

48. ## Physics

An automobile tire has a volume of 0.0185 m3. If the pressure in the tire is 500 kPa and the temperature is 298 K, how many molecules are there inside the tire?

49. ## physics

A disk, with a radius of 0.25 m, is to be rotated like a merry-go-round through 800 rad, starting from rest, gaining angular speed at the constant rate α1 through the first 400 rad and then losing angular speed at the constant rate -α1 until it is again

50. ## Pre Calc

Determine how many orders of magnitude the quantities differ. A canary weighing 20 g and a hen weighing 2 kg. I want to say 1 but I am not sure...

51. ## General Physic

The time it takes for an object dropped from the top of cliff A to hit the water in the lake below is twice the time it takes for another object dropped from the top of cliff B to reach the lake. If it takes 2.30 s for the object to fall from cliff A to

52. ## english

Please check the meaning: "Like a cat in a corn crib, the girl pup sneaked in from behind and sank her needlesharp teeth in the coon's back." Just the "like a cat in a corn crib" part. Thanks!

53. ## science

can anyone give me 10 examples or energy interconversions and how they work please thankyou.

54. ## math

A rectangular skating rink measuring 30m by 20m is doubled in area by adding a strip at one end of the rink and a strip fo the same width along one side of the rink. Find the width of the strips if the enlarged rink is still rectangular.

55. ## Chemistry

A student draws four resonance structures for nitromethane (CH3NO2). How many lewis structures should have been drawn to represent nitromethane?

56. ## physics

A treasure map you uncovered while vacationing on the Spanish Coast reads as follows: "If me treasure ye wants, me hoard ye'll have, just follow thee directions these. Step to the south from Brisbain's Mouth, 6 paces through the trees. Then to the west, 10

57. ## Algebra

Express the sum below using summation notation. Use 1 as the lower limits of summation and i for the index of summation. 1/3+2/4+3/5+...+18/20

58. ## Probability

f two indistinguishable dice are rolled, what is the probability of the event {(3, 3), (2, 3), (5, 3)}? 1 What is the corresponding event for a pair of distinguishable dice? 2 {(3, 3), (2, 3), (5, 3)} {(3, 3), (2, 3), (5, 3), (3, 5), (3, 2)} {(3, 3), (2,

59. ## Chemistry

Consider the following chemical equation. MnCl2(s) + H2SO4(aq) → MnSO4(aq) + 2 HCl(g) How many grams of manganese(II) chloride must react with sulfuric acid to release 50.0 mL of hydrogen chloride at STP?

60. ## Math

an auditorium has 50 rows of seats. THe first row has 20 seats, the row has 21 seats, the third row has 22 seats, and so on. each row having one more seat than the previous row. How many seats are there all together?

61. ## World History

The religion based on the teachings of Siddhartha Gautama is known as?

62. ## Math2

if arc AC=140 degrees, what is angle ABC? if angle ABC=28 degrees, what is arc AC?

63. ## physics HELP

A jet plane is flying with a constant speed along a straight line, at an angle of 27.0° above the horizontal, as Figure 4.30a indicates. The plane has weight whose magnitude is 86500 N, and its engines provide a forward thrust of 103000 N. In addition,

64. ## Chemistry

For a molecule of fluorous acid, the atoms are arranged as HOFO. What is the formal charge on each of the atoms? Enter the formal charges in the same order as the atoms are listed. (I searched everything online to find the shape of HOFO but could not find

65. ## chemistry

How many mL of a 0.90% (m/v) NaCl stock solution will you need to to prepare 250 mL of a 0.225% m/v NaCl solution?

66. ## Chemistry

Describe the spectrum of the light from a fluorescent lamp and from an incandescent (tungsten filament) lamp, and try to explain what you observe. So fluorescent lamps use electricity to excite mercury vapour, and the excited atoms produce short-wave UV

67. ## chemistry

What volume of 0.115M NaOH is required to reach the equivalence point in the titration of 25.00 mL of 0.200M of HF? Ka(HF)=7.4 x 10^-4

68. ## Math

johnny is directly in front of dougie, who is playing goalie as shown. johnny is 2.8m from both goal posts. he is also three times as far from dougie as dougie is from either post. he is also three times as far from dougie as dougie is from either post.

69. ## chemistry

How many of grams of aluminum would be produced from the decomposition of 21.0 g of Al2O3

70. ## physics

a simple pendulum with the length of 2.08m oscillates. the acceleration of gravity is 9.8 m/s^2.how many complete oscillations does the pendulum make in 3.75 min?

71. ## Chemistry

how many moles of oxygen are needed to react with 1.6 moles of isopropyl alcohol, CcH7OH Equation is 2 C3H7OH + 9 02 ->6 CO2 + * H2O

72. ## Chemistry

How many moles of NaOH must be added to 1.0 L of 1.4 M HC2H3O2 to produce a solution buffered at each pH? (a) pH = pKa mol (b) pH = 3.07 mol (c) pH = 5.15 mol

73. ## Precalculus

1.Write the expression as a sum or difference. cos(5x)cos(-4x) 2.Write the expression as a product. cos(4x)-cos(12x)

74. ## chemistry

Given the compounds H2S, NH3, and SO2. Determine the order o boiling points. Rank them from highest to lowest boiling point. Give an explanation for your ranking by the electronegativity data a by type of intermolecular force.

75. ## Physics

If a large housefly 3 m away from you makes a noise of 43 dB, what is the noise level of 1200 flies at that distance, assuming interference has a negligible effect? Noise level of 1200 flies = ??dB HELP: Using the formula for decibels and the given

76. ## physics

A 4.8 kg block is pushed along the ceiling with a constant applied force of 87 N that acts at an angle of 55.0° with the horizontal, as in Figure 4-33. The block accelerates to the right at 6.00 m/s2. Determine the coefficient of kinetic friction between

77. ## geometry

the vertices of ABC are A(1,1) B(7,3) and C(2,6) write and equation of the line that contains the median from c to ab

78. ## chemistry

Prepare 250mL of 2.00M CuSO4 from CuSO4 x 5H2O

79. ## chemistry

what is the partial pressure of 02 collected over water at 25 degree C and 630 torr (vapor pressure of H20 at 25 degree C is 23.8 torr)

80. ## physics

A 38.2 kg wagon is towed up a hill inclined at 19° with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 140 N on the wagon. Assume that the wagon starts from rest at the bottom of the hill, and disregard

81. ## physics

A hotdog vendor named Sam is walking from the southwest corner of Central park to the Empire State Building. He starts at the intersection of 59th Street and Eighth Avenue, walks 3 blocks east to 59th Street and Fifth Avenue, and then 25 blocks south to

In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.17 x 10^6 m/s. find the central force acting on the electron as it revolves in a circular orbit of radius 5.42 x 10^-11m.

83. ## physics

A 38.2 kg wagon is towed up a hill inclined at 19° with respect to the horizontal. The tow rope is parallel to the incline and exerts a force of 140 N on the wagon. Assume that the wagon starts from rest at the bottom of the hill, and disregard

84. ## Statistics

Use the following results obtained from a simple linear regression analysis with 12 observations. ￼ =37.2895-(1.2024)X R2=.6744 sb1=.2934 Test to determine if there is a significant negative relationship between the independent and dependent variable at

85. ## Physics

A spring is hung from a ceiling, and an object attached to its lower end stretches the spring by a distance of 5.00 cm from its unstretched position when the system is in equilibrium. If the spring constant is 54.1 N/m, determine the mass of the object.

86. ## Finance

Calculate die after-tax cost of debt under each of the following conditions: a. Interest rate of 13%, tax rate of 0% b. Interest rate of 13%, tax rate of 20% c. Interest rate of 13%, tax rate of 35%

87. ## Physics

1. Harry accidentally falls out of a helicopter that is traveling horizontally at 100 m/s. He plunges into the ocean below him 2.2 seconds later. How high above the ocean was the helicopter when Harry fell out? Hiw far did Harry travel horizontally while

88. ## Geometry

Point H is the midpoint I'd line segment GJ Line segment GH is 7x-5 HJ is 4x+1 what is the value of X?

89. ## physics

A Boston cab driver picks up a passenger at Fenway Park, drops her off at the Fleet Center. Represent this displacement with the vector D. What is the displacement vector from the Fleet Center to Fenway Park? a)D b)2D c)0 d)-D aka: D=vector d in the

90. ## Chemistry- Buffers

a buffer is prepared by mixing .208 L of 0.452 M HCl and 0.5 L of 0.4 M sodium acetate. When the Ka= 1.8 x 10^-5 I figured out that the pH= 4.74 but then it asks how many grams of KOH must be added to the buffer to change the pH by .155 units?

91. ## Calculus

Find the interval(s) where the function is increasing where and it is decreasing. f(x)=sin(x+(pi/2)) for 0≤x≤2pi so my derivative is f'(x)=cos(x+(pi/2))? and my critical number is -pi/2?

92. ## chemistry

the much used drug cocoaine is an alkaloid. Alkaloids are noted for their bitter taste, and indication of their basic properties. Cocaine, C17H21NO4 is soluble in water tot he extent of 0.17 g/100 ml solution, and a saturated solution has a pH of 10.08.

93. ## chemistry

1. Explain the effects of the following factors on the relative reactivities of Sn1 and Sn2 reaction a.Nature of the carbon skeleton(primary, secondary, tertiary) b.Steric hindrance (primary vs hindered primary) c)Nature of the leaving groups d)Primary and

94. ## Chemistry

A piece of solid carbon dioxide, with a mass of 6.8 g, is placed in a 4.0-L otherwise empty container at 21°C.

95. ## physics

An aircraft carrier sails northeast at a speed of 6.0 knots. Its velocity vector is v. What direction and speed would a ship with velocity vector –v have? speed should be in knots and direction should be one of the following: northwest,

96. ## accounting

What benefits do you see for the U.S. economy in tax-sparing credits? Should it be expanded or reduced? Why or why not? The North American Free Trade Agreement (NAFTA) has tax consequences. Discuss the costs and benefits as you see them for the U.S. from

97. ## Physics

A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor and that its period is 28.0 s. (a) How tall is the tower? m (b) If this pendulum is taken to the Moon, where the free-fall

98. ## Chemistry

What is the geometry of XeF4? 1)tetrahedral 2)square planar 3)octahedral 4)seesaw 5)bent

99. ## ethics

What are some examples of cultural differences around the world that can affect business practices? Should a business change practices based on cultural sensitivities? Why or why not?

100. ## Chemistry

Consider the following chemical equation: HgO(s) → Hg(l) + O2(g) How many milliliters of oxygen gas at STP are released from the decomposition of 3.00 g of mercuric oxide?

101. ## Algebra one help, please.

Determine which lines, if any, are parrell or perpindicular linea= y=4x line B= y=-1/4x line c= y= 4x-1 I think line B and A are parrell. Am I correct? Please help me, thank you.

102. ## algebra

log9 1= _______ (fill in the blank) Let x=log2 1/32 . Write the exponential form of the equation and solve the equation for x.

103. ## English

This is the number of years that someone has lived , or that something has existed. (What is the part of speech of 'that'? Is 'that' a relative adverb or a relative pronoun? What is the antecedent of 'that'?) English - Writeacher, Sunday, December 5, 2010

104. ## Physics

A object-spring system oscillates with an amplitude of 4.0 cm. If the spring constant is 210 N/m and object has a mass of 0.50 kg, determine each of the following values. (a) the mechanical energy of the system J (b) the maximum speed of the object m/s (c)

105. ## Math

To conduct a scientific experiment, students need to mix 90 mL of a 3% acid solution. They have a 1% and a 10% soulution available. How many mL of each of the two solution must they combine to pruduce 90mL of the 3% solution?

106. ## Chemistry

Given the balanced equation, how many milliliters of oxygen gas at STP are released from the decomposition of 5.05 g of calcium chlorate?

107. ## Physics

A block of mass 0.5 kg rests on a smooth inclined plane. It is then pushed by a horizontal force of 16N. When the block has displaced 5m along the inclined plane. What would be the speed of the block if the plane is rough and a friction of 5N is acting on

108. ## Chemistry

What is the ionization energy (in kJ/mole) of the hydrogen-like ion F8+ ?

109. ## Chemistry

Consider the following chemical equation. H2(g) + I2(g) → HI(g) Assuming all gases are at the same temperature and pressure, how many milliliters of hydrogen iodide are produced from 825 mL of H2?

110. ## Physics

A man enters a tall tower, needing to know its height. He notes that a long pendulum extends from the ceiling almost to the floor and that its period is 28.0 s. (a) How tall is the tower? m (b) If this pendulum is taken to the Moon, where the free-fall

111. ## physics

A phonograph record of radius 6 cm and mass 15 g is rotating with an angular velocity of 33.33 rev/min. A Penny of mass 1 g suddenly falls on the record and lands at the radial distance of 4 cm from the record’s center. What is the angular velocity after

112. ## statistics

A production process is considered to be out of control if the produced parts have lengths with a standard deviation greater than .5 mm. A sample of 41 parts yields a sample standard deviation of .58 mm. At the .05 significance level, does this sample

113. ## algebra 1

use multiplying by 1 to find an expression equivalent to 11/14 with a denomenator of 56c the equivalent expression is-----

114. ## Chemistry

if 30.0 grams of molten iron (III) oxide reacts with 275 grams of aluminum, what is the mass of the iron produced.

206. ## geometry

in a diagram of a scalene triangle ABC, line DE is the midpoint of line AB and line AC and DE=7 find the length of line BC

207. ## Chemistry

sorry How many moles of exygen are needed to react with 1.6 moles of isopropyl alcohol, C3H7OH Equation is 2 C3H7OH + 9 02 -> 6 CO2 + 8 H20

208. ## chemistry

How many grams of Urea would you have to dissolve in 500ml of H2O in order for the mass percent of H2O to be 88.8%? What is the mole fraction of Urea? What are the new boiling and freezing points?

209. ## chemistry

Given .300 L of a buffer solution that is .250 M HC2H3O2 and .50 M NaC2H302, what is the new pH if .0060 mol HCL is added? what about .0060 mol NaOH?

210. ## chemistry

If you wanted to have a solution of benzene that would freeze at 0 degrees Celsius with NaCl, what would be the mole fraction of NaCl that you would need?

211. ## algebra

Steve ran a distanse of 150 meters in 1 1/2 minutes. What is his meter per hour ?

a bicycle wheel must make 13 revolutions to roll 25 meters. How many revolutions must the wheel make to travel 1 km? Hint: 1000 m = 1 km

213. ## English

Thank you very much for your corrections. Here are some more sentences for you to check. 1)The mirror claims to have no preconception since it projects whatever it sees umisted by love or dislike.It reflects a woman who is becoming (growing, getting old).

214. ## chemistry

Prepare 600mL of a 100mM solution of glucose in 0.9% NaCl. Also need to prepare the 0.9% NaCl solution.

215. ## physics

Does the multiplication of a scalar and a vector display the commutative property? This property states that the order of multiplication does not matter. So for example, if the multiplication of a scalar s and a vector r is commutative, then sr = rs for

216. ## math

Multiply and then simply by factoring (√2y)(√3)(√8y)

217. ## English

What does the simile "Like a cat in a corn crib" mean?

218. ## physics

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are

219. ## math

A,B,C are points on the line L, the coordinate of B=-2, c is a point that divides AB in the ration 2:3.if the coordinate of C=4, find the coordinate of A

220. ## statistics

15.34 In a four-digit lottery, each of the four digits is supposed to have the same probability of occurrence. The table shows the frequency of occurrence of each digit for 89 consecutive daily fourdigit drawings. Research question: At á = .01, can you

221. ## English

I forgot to include the following statements. Thank you. 1) You are fast like a lighning. Better: You are as fast as lightning. 2)Is it possible to write: "I didn't correct this paragraph because it was your first draft. You re-wrote it neatly (?) on your

222. ## Transitional Math

Richard took a loan of $10000 at a rate of 5%. If he paid$2500 in interest, how long did it take him to pay off the loan?

223. ## physics

A rocket moves upward, starting from rest with an acceleration of 28.8 m/s2 for 4.13 s. It runs out of fuel at the end of the 4.13 s but does not stop. How high does it rise above the ground?

224. ## Calculus

Find the integral by substitution ∫ [(16 x3)/(x4 + 5)] dx ∫[ 4 x/(√{x2 + 3})] dx ∫ 8 x2 e4 x3 +7 dx PLEASE help with all three. i'd really appreciate it

294. ## com155

What role does eduction play in succesful financil planning? Me going back to school plays a major role in finacil planning. Is this correct in verb tense?

295. ## algebra

1.)Find the equation of the circle with center (1, 3) and radius r =2. 2.)Find the area of the circle of the above problem?

296. ## calculus

If f(x)=8x +2 find the exact area under the curve from x=0 to x=2.

297. ## English

Hello again. Thanks for help. Could you please help me with one more sentence: British troops will withdraw from (leave)the country by 2011 OR will have withdrawn (will have left)? Maybe, both? Thank you very much.

298. ## algebra

the number of cats that are homeless can be modeled by the equation N= 2.1t squared - 82t + 95 where N is the number of cats that are homeless and t=0 set as the current year.Use the quadratic model to find the number of years from now until the number of

299. ## physics

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are

300. ## MATH

Someone please help me not sure if I even know what I am doing with any of this. write the following ratios in simplest form 5 3/5 to 2 1/10 5 3/5 2 1/10 x 100/100 = 8/20 = 2/5 the ratio of 7 dimes to 3 quarters 7/3 x 100/100 = 700/300 = 175/75 solve the

301. ## chemistry

How many moles are in 3.0L of NO gas at STP?

302. ## science

a young girl with a mass of 46 kg is hanging motionless from a tree branch. what is the net force on the girl

303. ## chemistry

A student wants to determine of an irregularly shaped peice of sodium metal . The student is warned not to use water displacement to find the volume of the peice of sodium . Explain the reason for the warning and pffer a effective solution to the students'

304. ## Math

The number is between 3 and 10, you can make exactly 3 arrays with this number and it's not 9. What is it?

305. ## Math

A rectangular flowerpot is 20 inches long 8 inches wide and 6 inches high. true or false if andy fills the flowerpot 2/3 fullof potting soil the expression 2/3(20 + 8 + 6) could be used to find the amount of potting soil he needed

306. ## math

If the coordinate of A on the real number line is -2, find the coordinate of B if AB= 5 units

307. ## algebra

A*B=A*B Solve for B

308. ## character traits

please name some character traits for a boy that believes in his pups, and waits to see what they do. He also is a little pushy.

309. ## Sci !!!ASAP!!!

How do people help plants ?

310. ## Math

A public opinion poll found that 5 out of 8 people in a community wanted a exercise course. if there are 10,000 people in a community, how many do NOT want a exercise course?

How are landform, like dells, formed?

312. ## chemistry

If the heat of fusion for ethyl alcohol is 26 cal/g, how many grams must freeze to release 780 cal?

313. ## Math

There are three distinct ways to add four positive odd numbers to obtain 10: 1 + 1 + 3 + 5 = 10 1 + 1 + 1 + 7 = 10 1 + 3 + 3 + 3 = 10 Here, distinct means that changing the order of the numbers on the left-hand side of an equation does not count as a new

347. ## Math

Fill in the blank so that the given statement is true. The median is 77 65,68,78,82,89,__

348. ## Accounting Specialized Journals

Store owner makes a $80.00 purchase, goods for resale, and uses check$143. Using Specialized journals, general ledger and subsidiary account, what is the correct posting please.

349. ## English

Hello. I need some help from a native speaker of English. 1)Is it possible to say "to make a (peace) treaty" or is it "to conclude a treaty"? 2)is it possible to say "to make a visit to Mexico"? 3)is it possible to say "bipartite relations (between the

350. ## CJS 210

What are the ethical standards in policing? I'm not exactly understanding what they mean by this

351. ## algebra

K*T=K*T How would I solve for T?

352. ## math

At a Amusement PArk you can buy tickets for 12 rides for $15. At that rate, how many tickets would you be able to buy for$22.50?

353. ## Exponents

GRE question - What is greater z or 60? z is the degrees of a one of the congruent sidesAn isoceles triangle

354. ## self-reflection essay

what is self perceiving society mean

355. ## chemistry

calculate the molarity of 18.0 ml of h2so4 in 2.0l of solution?

356. ## physics

x=12cm and y=14cm, what is 0

357. ## Math

Find, with justi cation, the smallest integer whose rst digit is 1 and which has the property that if this digit is transferred to the end of the number, then the number is tripled

358. ## Math

Fill in the blank so that the given statement is true. The median is 77 65,68,78,82,89,__

359. ## Accounting Specialized Journals

what does customer pays \$150.00 toward account at store. What does that look like using specialized journals, general ledger and subsidiary ledgers please

360. ## English-No Country For Old Men

I have an essay to write but I need some help on this question. "Comment on both Sheriff Bell's and Moss's wives. How are they alike? What is your opinion of them? What do you learn about each woman's relationship with their husband because they are placed

361. ## Science

How can i explain the life cycle of nylon?

362. ## US History

The Government and churches have demoralized, dehumanized massacred , robbed, raped, promised, made treaty? after treaty, and lied to us ... We must now destroy this political machine that man has built to prevent us from self-determination. " by Dennis

363. ## algebra

K*T=K*T I need help solving for T. How would I do it?

I need help in Psychology do you guys do that? Or just ore subjects?

365. ## self-reflection essay

am writeing self-relection essay abt the theme self perceiving society,society perceiving self and i don't know how to start it off?

366. ## algebra

(a-b)(a^2+ab+b^2)

-16=2.5k

368. ## science

how much does gravity affects my cannon shot?

369. ## physik

was kÃ¶nnte passieren,wenn man aluminiumstÃ¤be in eine betonmauer einarbeiten wÃ¼rde?