1. algebra

what do you get when you cross... a thief wity a cement truck? a supermarket with a jungle?

2. chem

in the ground state electron configuration of Fe3+, how many unpaired electrons are present? I thought it was 1, but im getting a wrong answer.

3. Physics

A water skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of 17.9 m/s. As the drawing indicates, the skier has a speed of 11.1 m/s at the highest point of the jump. Ignoring air resistance, determine the skier's height H above

4. chem

The solubility product of Mg(OH)2 is 1.2 x 10^-11. What minimum OH- concentration must be attained (for example, by adding NaOH) to decrease the Mg concentration in a solution of Mg(NO3)2 to less than 1.0 x 10^-10 M (molar)?

5. PHYSICS!!!!!

An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 19.0 m if her initial speed is 3.80 m/s. What is the free-fall acceleration on the planet?

6. physics

At t = 0, a particle moving in the xy plane with constant acceleration has a velocity of vi = (3.00 i - 2.00 j) m/s and is at the origin. At t = 2.00 s, the particle's velocity is v = (6.60 i + 4.00 j) m/s. Find the acceleration of the particle at any time

7. Chemistry

Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL.

8. math

the sale price of a computer at 15% off is \$746.30. What is the regular price?

9. Chemistry

The Ka for a particular weak acid is 4.0 x 10-9. Calculate the pH of a 0.040 M solution of this acid. whats the relation b/w Ka and pH?

10. math

suppose a single die is rolled find: a) P(6, given that an odd number is rolled) b) P(5, given that ann odd number is rolled) is a) 0 and b) 1/6

11. math gr8

calculate o.76& of 150% of 6000. i did 0.0076 x 150 = 1.14 6000 x 0.0114 = 68.4 but im not really sure how to do it. plz help!

12. Physics

A spring with spring constant k=100 (N/m) is at its equilibrium length. a) How much elastic potential energy is stored in the spring? b) The same spring is stretched so that it is 6.0 cm longer than its equilibrium length. How much elastic potential energy

13. chemistry

Hello. In the class, we did the experiment to calculate the value of Kc for the following reaction: CH3COOH+CH3CH2OH ÌCH3COOCH2CH3+H2O we measured the mass for 5 cm^3 of all 5 compound above: CH3COOH 5.236 g CH3CH2OH 4.021 g CH3COOCH2CH3 5.020 g H2O

14. PHYSICS

A 745i BMW car can brake to a stop in a distance of 122 ft from a speed of 60.0 mi/h. To brake to a stop from a speed of 80.0 mi/h requires a stopping distance of 221 ft. What is the average braking acceleration for the following intervals? Express the

15. math math math!

A cruise ship travelled 84 km in 3.5 h. At this rate, how long will it take to travel 1050 km?

16. PHYSICS!!

A ball on the end of a string is whirled around in a horizontal circle of radius 0.386 m. The plane of the circle is 1.10 m above the ground. The string breaks and the ball lands 2.00 m (horizontally) away from the point on the ground directly beneath the

17. math

janine is paid commission of 3% on all sales up to and including \$10 000, and 5% on all sales over 10 000. how much commission will she earn on sales of 48 000?

18. math

In 1805, the population of a small town was 2120. By 1905, the population increased to 115% of the 1895 figure. a) what was the population in 1905? b) find the increas in population from 1895 to 1905.

19. chemistry

write the total and net ionic equation for calcium hydroxide(aq) -> acetic acid(aq)

20. Managerial Economics

I need help on some homework questions for an MBA-level Managerial Economics class. The total operating revenues of a public transportation authority are \$100M while its total operatiing costs are \$120M. The price per ride is \$1, and the price elasticity

21. chem

what is the electron configuration for Au+ ? where does f block fit in?

22. accounting

Agency theory deals with issue of

23. spanish

assignment Escribe las frases en espanol. 1. We forgot the homework. ( literalmente: "The homeowrk was forgotten "on us") _____________________ 2. You lost money. ( the money was lost "on you") ______________________ I AM VERY CONFUSED

24. chemistry

The redox reaction below occurs in acidic solution. Balance it with the smallest whole number coefficients and determine the coefficient for H2O. Zn(s) + NO3-(aq) ---> Zn2+(aq) + N2O(g) i got 4 as the coefficient for water, but the answer says that it is 5

25. Spanish

how do you say peoples names in spanish

26. trig

what is the inverse tangent of (rad3/3)?

27. Physics

A 47.0 g golf ball is driven from the tee with an initial speed of 54.0 m/s and rises to a height of 23.8 m. (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point. J (b) What is its speed when it is 10.0 m below its

28. math

awhh man:( i just had one left. A store owner buys coats for 56\$ each. she adds 30% to the cost and sells the coat s at 15% off. find the selling price of each coat. would i do 56 x 0.30 = 16.80 56.00 + 16.80 = 72.80 56.00 x 0.15 = 8.40 56.00 - 8.40 =

29. Math

A toy manufacturer is introducing two new dolls, My First Baby and My Real Baby. In one hour, the company can produce 8 First Babies or 20 Real Babies. Because of demand, the company produces at least twice as many First Babies as Real Babies. The company

30. Chemistry

NH3 and CH3NH2 have Kb values of 1.8 x 10-5 and 5.0 x 10-4, respectively; which of the following statement(s) is (are) CORRECT? (i) CH3NH2 is a stronger base than NH3. (ii) the conjugate acid of CH3NH2 is a stronger acid than the conjugate acid of NH3.

31. math

flip a coin 3 times a) what are the odds in favor of getting exactly 2 heads b) what are the odds against getting at most 1 tail i got a) 3/4 b) 7/8 i don't think they are right can someone help

32. Math 116

Q1) there are two plans available, but they only have 38 homes available. write an equation that illustrates the situation. use x and y to denote plan 1 and plan 2. A1) X+Y=38 Q2)Plan 1 sells for \$175,000 and plan 2 sells for \$200,000. All available houses

33. AP US History

I have an AP US history test on Tuesday and I would like practice AP questions to help prepare for the test but I don't know any of the websites. Could you give me a few to go to please? Thanks!

34. Managerial Economics

The coefficient of the price of gasoline in the regression of the quantity demanded of automobiles (in millions of units) on the price of gasoline (in dollars) and other variables is -14. (a) calculate the cross price elasticity of demand between

35. math

Simplify each exponent. 'Write the answer in standard form and exponent form. 12^2 (2^8)*(2^-3) 2^15/2^8 4^5+4^2 (3^-3)^2 ((2)^4*(2)^5)/(2)^6 4^2-2^3 help....i forget how to do these. thanks,

A nosotros se ____perdieron las llaves del auto. answer nos Se me _____ (forgot) hacer la tarea anoche. answer olvida A Rita y a Pedro se _____dano la motocicleta answer les

37. social

was the nile river part of the Babylonian empire?

38. Chemistry

Hello! I was wondering why is it that it is safe to eat olive oil, corn oil, canola oil, etc. but not diesel oil or something like that. What is the reason in chemical structural sense?

39. bio( sorry for the long question)

a persaon complains about abdominal pain. she also has fever, pain the middle back, clammy skin and nausea/ vomitting. her blood test report the following:- high serum amylase high serum lipase. her past medical history is given below:~ 1. diagnosed with

40. Managerial Economics

From table 4-1 in the text, which gives the price elasticity of demand for Florida Indian River Oranges, Florida interior oranges, and California oranges, as well as the cross price elasticities among them, determine: (a) by how much the quantity demanded

41. spanish

assignment Escribe las frases en espanol. 1. We forgot the homework. ( literalmente: "The homeowrk was forgotten "on us") _____________________ 2. You lost money. ( the money was lost "on you") ______________________ I AM VERY CONFUSED

42. college

NH3 and CH3NH2 have Kb values of 1.8 x 10-5 and 5.0 x 10-4, respectively; which of the following statement(s) is (are) CORRECT? (i) CH3NH2 is a stronger base than NH3. (ii) the conjugate acid of CH3NH2 is a stronger acid than the conjugate acid of NH3.

43. math

this is real hard and i would love some help. In a game of craps, a player rolls 2 balanced dice. There are 36 equally likely outcomes. What is the probability that: a) the sum is either 3 or 8 b) the sum is 6 or doubles rolled c) the sum is 6 AND doubles

44. physics

ok it says a shopper in a supermarket pushes a cart with a force of 36N directed at an angle of 26 degrees downward from the horizontal. find the work done by the shopper on the cart as the shopper moves along a 50.6m length of aisle. answer in units of J.

45. chemistry

Acids that form ionic solutions will conduct electricity. Acids that form covalent solutions will not conduct electricity. but acids have HYDROGEN in them and hydrogen is a gas is that why the results of the conduction test need to be changed because

46. math helpp! :|

in a bag of coloured cubes, the ratio of red cubes to total number of cubes is 5:7. If there are 105 cubes in the bag, how many cubes are red? i don't get this :|

47. math

Find the amount in each case. a) 8% is 56 kg. can u set up cross multiplication for this? 8/100=x/56

48. college

Calculate the pH of concentrated hydrochloric acid if this solution is 24.8 % HCl by weight and has a density of 1.16 g/mL. a. ) -0.77 b. ) -0.83 c. ) -0.90 d. ) -0.98 e. ) -1.01 i got c

here is another question I need help on. would this be like a mass email? Like if someone said something stupid and you in turn sent it to everyone in the organization? How is this cc: in a email used strategically in organizations to arm twist or send a

50. economics

Would protectionist policies (higher tariffs and more quotas) or freer trade policies (tariff reductions and quota eliminations) be more effective in generating currency appreciation?

51. physics

Junes Verne in 1865 suggested sending people to the Moon by firing a space capsule from a 255 m long cannon with a launch speed of 11.42 km/s. What would have been the unrealistically large acceleration experienced by the space travelers during launch?

52. trig

inverse cos (-rad2/2)=135 degrees inverse sin (-rad2/2)=-45 degrees I don't understand why cos is 135

53. ethinics

Questions: Do you think that "race" should have ever been constructed by social scientists? Why? Why not? Why do you think that anyone has to define who we are by standards measured by our human understanding of anthropology?

54. Social Studies

How tall is the great wall of china?

55. Managerial Economics

Please help with this question: A researched estimated that the price elasticity of demand for automobiles in the U.S. is -1.2, while the income elasticity if demand is 3.0. Next year, U.S. auto makes intend to increase the avg price of autos by 5%, and

56. Math 116

I have a long problem which I need help with..... Q1) there are two plans available with a total of 56 houses available. x represents plan 1 and y represents plan 2. write an equation illustrating the situation: A1) x+y=56 Q2) there are 3 times as many

FOr the function f(x)=x^2e^x Find the critical points, increasing decreasing, first and second derivative and concavity I am having trouble finding the concavity >_< First derivative: xe^x(x+2) Second : e^x(x^2+4x+2) Critical points from first derivate:

58. math.. again!

write each increase or decrease as a percent. the price of gasoline rose from 97.5/L to 101.4/L. Percent increase= i did: 101.4 - 97.5 101.4 x 0.0390 = 3.9% is this right?? im not really sure how to do this.sorry for all these questions.

59. spanish

the blank needs to be filled in here A ti se te ______ (left) la mochila en casa in your answer you wrote dejarte is this correct we cant change any of the words already there

60. spanish last 2

Question Tu hablas bien el espanol? Si, bueno hablo espanol. Question Probablemente, quien crees que va a la elecction para la presidencia? El problema con elecction para la presidente no one is experienced

What other things besides CAPS can communicate unintentional tone in an email? I am at a lost here all I can think of is your tone and caps brings off a bad message.

62. Effective Essay Writing

I am writing an essay on Heathful Eating. Does anyone know any good sites to for me do use for research

63. chemistry

i know that there's a difference between electron group arrangmenets and molecular shape. i know how to find the molecular shape of a compound like h3o+ for example, but how do i find the geometric arrangement of the electron groups??? thank you!

64. biology

what will happen if the oxygen dissolves in water in a large amount

65. Biology

Hey guys, I'm a bit confused as to whether or not this would be an example of epistasis and how to trace the pedigree to find out which it the dominant trait. My TA hasn't posted a key to this practice question so I was hoping someone could explain it to

Assignment: Escribe la palabra que falta. 1. A ti se te ____(left) la mochila en case? 2. El ano pasado se me _____(broke) la mano. are the answers correct answer for # 1 danas answer # 2 rompia

assignment Ahora, contestas las siguientes preguntas personales: 1. Con que frecuencia vas al dentista? Yo voy al dentista every seis mes. 2. Normalmente que haces despues de l escuela? Yo voy la escuala a las ocho every el dia.

68. COM 220

What benefit does the peer reviewer gain from this activity? What are some drawbacks to peer reviewing? What other methods can you use to provide effective peer feedback?

69. math

i feel like ive been using u. but i have learned how to do the questions properly, and how to set them up. that's what i like about this website, i learn how to do it properly, and have lot sof fun learning it!

70. chemistry

how can i describe the test to see if ACIDS are covalent or ionic Acids in aqueous solutions

71. Chemistry

Im's So confused about stoichiometry. My question is this use stoichiometric calculations to predict the mass of solid product fromed in the reaction from the knwon mass of sodium hydrogen carbonate used. Balenced equation: 4NaHCO3 = 4Na + 2H2O + 4CO + 3O2

The song "Minnie the Moocher" by Cab Halloway-retell what the story is about. Use details in song to support your thinking.

73. chemistry

what temperature do solids change to become gas and what temperature do liquids change to become solid and what temperature do gasse change to become liquid/solid

74. math

sorry im real bad at probability. a single die is rolled. find the probabilities: a) P(odd numbers greater than 1) b) P(number less than 5) c) P(the number 3 or 7) i got a) 1/3 b) 1/2 c) 1/6 is that right please help.

75. PHYSICS

Junes Verne in 1865 suggested sending people to the Moon by firing a space capsule from a 255 m long cannon with a launch speed of 11.42 km/s. What would have been the unrealistically large acceleration experienced by the space travelers during launch?

76. physic

a car travels in a straight line for 3 h at a constant speed of 53 km/h. what is the acceraleration? answer in units of m/s2.

77. sra McGuin

do you have a few more mins for spanish

78. general knowledge

I am a 7 letter word (an animal) Remove the first 4 letter the remaining is a feminine gender Remove the last 4 letter the remaining is the part of cooker Remove the last 3 letter the remaining is a costume (dress) Pls answer me immediately

79. electricity and electronics

a battery consists of 5 dry cells connected in series.if the voltage developed by each cell is 1.5 the total voltage developed by the battery is

80. chemistry

The scales of a balance are 70, 3 and 0.9 which is between 0.011 and 0.012 .

what does 9.4 round to?

82. Genetics

Hi guys, Need help with this 3. Crosses between true-breeding yellow-haired Guinea pigs and white-haired Guinea pigs result in progeny that have cream-colored hair. The following data were collected when many pairs of cream-colored F1 Guinea pigs were

83. english check

Like a teenager’s selfish desire to obtain status through possessions, Paul’s mother demonstrates the same immature importance of material objects and outward appearance in D.H Lawrence’s short story “The Rocking-Horse Winner.” This wonderful

84. AP world history

i have to take this big unit test on this college textbook called "Traditions and Encounters" on the first 6 chapters which is 166 pages overall. The test is this Monday. I have my chapter notes, quizzes, maps, and study questions. Although, what is the

85. science

Which kind of yeast ,young or old, is bigger? And why?

86. math

Can someone help me with this problem? Find the value: (469)° * (-2)^3

87. algebra 1`=

for a person 6 feet tall who weighs 200 pounds find a value for k in the equation w = kh^3

88. science

What happens when you swallow a number of advils or other plain releivers?

89. spanish

how do you say had in the past tense

Do you think the US President should be chosen by popular vote? Why or why not? What does popular vote mean?

91. Need Help on this Microeconomics question, really

If firms in perfect competition all pay the same price for resources and all receive the same price for outputs, how can they have different total profits or different profits per unit sold?

92. SocaI studsies

I'm not sure where to go but I need to know who second on command after the state governors my Aunt said each state is different . do they have a VP person like the president.PD she let me use her computer

93. trig

trying to find lowest term: cos^2 è-1/4 cos è -1

94. HR

Does the topic "incentive prgorams" fall under the general topic of Compensation and Benefit?

95. SCIENCE NEED HELP NOW PLEASE!!!!!

Explain why scientists use the formula H2O areound the world for water rather than water all around the world?

96. Math

Simplify each exponent. 'Write the answer in standard form and exponent form. 12^2 (2^8)*(2^-3) 2^15/2^8 4^5+4^2 (3^-3)^2 ((2)^4*(2)^5)/(2)^6 4^2-2^3 help....i forgot how to do these. thanks,

97. math

(-4,6);4x=9y+7 the equation of the line is y= need some help here.

98. sra McGuin

so sorry - your answer confused me! thanks for helping me understand better

99. math

I just have one quick ( millionth ) question. :) how much is PST and GST right now?

100. CJ

Why do drugs continue to be at the forefront of the crime policy agenda?