# Questions Asked onDecember 3, 2009

1. ## physics

A 6.0 kg object undergoes an acceleration of 2.0 m/s2.a. What is the magnitude of the net force acting on the object?b. If this same force is applied to a 4.0 kg object, what acceleration isproduced?

What does it take to win a Tug of War?

3. ## Physics

A 1.80-cm-thick wood floor covers a 4.0 m times 5.5 m room. The subfloor on which the flooring sits is at a temperature of 16.1C, while the air in the room is at 19.2 C. What is the rate of heat conduction through the floor? Use 0.200 W/m* K for the

4. ## Physics

Overall 80 % of the energy used by the body must be eliminated as excess thermal energy and needs to be dissipated. The mechanisms of elimination are radiation, evaporation of sweat (2430 kJ/kg), evaporation from the lungs (38 kJ/h), conduction, and

5. ## physics

at 25.0m below the surface of the sea (density=1.025kg/m^3), where the temperature is 5.00C, a diver exhales an air bubble having a volume of 1.00cm^3. If the surface temperature of the sea is 20.0C, what is the volume of the bubble just before it breaks

6. ## Straight-line Depreciation

Please how do i calculate this problem. An asset was purchased for \$150,000. It had an estimated salvage value of \$30,000 and an estimated useful life of 10 years. After 5 years of use, the estimated salvage value is revised to \$24,000 but the estimated

7. ## physics

A 25 ft long crane supported at its lower end by a pin is elevated by a horizontal cable. A 250 lb load is suspended from the outer end of the crane. The center of gravity of the crane is 10 ft from the pin and the crane weighs 200 lb. What is the tension

8. ## Literature

I still don't understand the tone of the poem 'Harlem'. I went through all the links but couldn't figure it out...can i please get an explanation? Thanks -MC

9. ## physics

What is the net upward force on an airplane wing of area 20.1 m2 if the speed of air flow is 302 m/s across the top of the wing and 287 m/s across the bottom? (assume the density of air is 1.29 kg/m3)

10. ## Social

In the introduction, explaining the historical conditions or factors that led up to your report A) may be unnecessary, depending on the nature and length of your report. B) is unnecessary in internal reports. C) diminishes your credibility by wasting

11. ## physics

a spring has a 2.000x10^3 N/m spring constant. how do you find the mass that will make it oscillate 5.0 times per second? 10.0 times per second?

why is .4 equal to .40

13. ## Algebra

The school that Trevon goes to is selling tickets to a choral performance. On the first day of ticket sales the school sold 12 adult tickets and 4 student tickets for a total of \$188. The school took in \$171 on the second day by selling 6 adult tickets and

14. ## pre-cal

A survey team is trying to estimate the height of a mountain above a level plain. From one point on the plain, they observe that the angle of elevation to the top of the mountain is . From a point 1500 feet closer to the mountain along the plain, they find

15. ## AP Physics

A Honda Civic and Lincoln Town Car are initially at rest on a horizontal parking lot at the edge of steep cliff. The Town Car has twice as much mass as the Civic. Equal constant forces are applied to each car and they accelerate across equal distances

16. ## physics

Glycerin, of density 1260.0 kg/m3, is poured into an open U-shaped tube. Ethyl alcohol, of density 790.0 kg/m3, is then poured into one arm until the height of the alcohol column is 21.4 cm. The two liquids do not mix. What is the difference in height

17. ## physics

A baseball of mass 250g, pitched with a speed of 40m/s, is caught by a catcher, whose glove moves backward 0.25m while stopping the ball. a)what is the kenetic energy of the ball? b)how much work did the catcher's glove do on the ball? c) what was the

18. ## Math

Which of the following statements describe an exponential relationship? A. the temperature is increasing at the rate of 3 degrees per hour. B. the number of bacteria is increaing at the rate of 30% per minute C. The number of cars in the parking lot is

19. ## corporate financial

check my answer if answer is diffferent show how you got it 1. Firm A uses straight-line depreciation. Firm B uses MACRS depreciation. Both firms bought \$100,000 worth of equipment two years ago. The equipment has a 7-year life. Both firms are in the 34

20. ## physics

A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is 0.17 and the push imparts an initial speed of 4.3 m/s?

21. ## Calculus

A water skier skis over the ramp, 5m vertical, 1m horizontal, at a speed of 12m/s. How fast is she risingas she leaves the ramp? d=root26 dy/dt=[(d)(d')-(x)(x')]/y dy/dt=[(12)(root26)-(5)(x')]/1 How do I find dx/dt? Thanks in advance.

22. ## Chemistry 2

You have a stock solution of 15.0 M NH3 . How many milliliters of this solution should you dilute to make 1200ml of 0.280 M NH3? If you take a 15.0ml- portion of the stock solution and dilute it to a total volume of 0.600 L , what will be the concentration

23. ## AP Physics

Assume that at sea-level the air pressure is 1.0 atm and the air density is 1.3 kg/m3. (a) What would be the height of the atmosphere if the air density were constant? 7.919 km (b) What would be the height of the atmosphere if the air density decreased

24. ## physics

How long does it take a 1000W electric kettle to bring 1.0L of water to the boiling point if the initial temperature is 15oc and the kettle is made of 400g of iron? Assume that no heat was lost to the surroundings and that the kettle was 100% efficient?

25. ## accounting

How do i calculate this problem. An asset was purchased for \$150,000. It had an estimated salvage value of \$30,000 and an estimated useful life of 10 years. After 5 years of use, the estimated salvage value is revised to \$24,000 but the estimated useful

26. ## math

A train left Podunk and traveled west at 70 km/h. Two hours later, another train left Podunk and traveled east at 90 km/h. How many hours had the first train traveled when they were 1420 km apart? How do you solved this?

27. ## Physics

A sports car of mass 1400 kg (including the driver) crosses the rounded top of a hill (radius = 93 m) at 27 m/s. 1) Determine the normal force exerted by the road on the car. 2) Determine the normal force exerted by the car on the 75 kg driver. 3)

28. ## physics

A horizontal force of 50N is applied to a 2.0Kg trolly, initially at rest, and it moves a distance of 4.0m along a level, frictionless. The force then changes to 20N and acts for an aditional distance of 2.0m. a) what is the the final kinetic energy of the

29. ## Physics

A Honda Civic and Lincoln Town Car are initially at rest on a horizontal parking lot at the edge of steep cliff. The Town Car has twice as much mass as the Civic. Equal constant forces are applied to each car and they accelerate across equal distances

30. ## physics

A Box (15.0 kg) is pulled up a 37 degree ramp with a force of 295 N. The frictional force acting on the block is 56.0 N. If Box travels 12.0 m up the ramp, determine the change in Box’s PEgrav.

31. ## math

I'm trying to find the convolution f*g where f(t)=g(t)=sin(t). I set up the integral and proceed to do integration by parts twice, but it keeps working out to 0=0 or sin(t)=sin(t). How am I supposed to approach it? integral (sin(u)sin(t-u)) du from 0 to t.

32. ## Physics

A U-shaped tube is filled mostly with water, but some vegetable oil has been added to both sides of the U tube. On the right side of the tube, the depth of oil is 5.00 cm . On the left side of the tube, the depth of the oil is 2.30cm . The density of the

33. ## math

A fireman stood on the middle step of a ladder, shooting water into a burning building . As the smoke lessened, he climbed up three steps and continued his work. the fire got worse,so he had to go down five steps. Later he climbed up the last six steps and

34. ## Chemistry

You have a stock solution of 15.0 M NH3 . How many milliliters of this solution should you dilute to make 1200ml of 0.280 M NH3 ?

35. ## math

Eight pennies are placed in a row on a tabletop. Every other coin is then replaced with a nickel. Every third coin is then replaced with a dime. finally, every fourth coin is replaced with a quarter. what is vaule of the eight coins noe on the table?

36. ## math 156

the ratio of males to females in a college class is 2:6. if there are 72 students in the class, how many are males? is it 36 males?

37. ## physics

A resting person requires 14.5 L of oxygen per hour to maintain metabolic activities. Such a person breathes in 0.480 L of air at approximately 25.0 degrees celsius with each breath. The inhaled air is 20.9% while the exhaled air is 16.3%. How many oxygen

Sorry Anonymous that I deleted your post by mistake, but here's the answer to the question: "there are four posts on each side of a square fenced-in are. How many posts are there in all?" The corner posts are counted for both of the adjacent sides. So the

39. ## pre calcalus

a 10 inch radius lawn roller makes 1.2 revolutionsper second,what is angular speed in radians per second

40. ## pre calcalus

a circle with 4 inch radius, find length of arc when intercepted by central angle of 240 degrees

41. ## physics

Water is forced out of a fire extinguisher by air pressure. How much gauge air pressure in the tank (above atmospheric) is required for the water jet to have a speed of 34.6 m/s when the water level is d = 0.520 m below the nozzle?

42. ## physics

A box is given a push so that it slides across the floor. How far will it go, given that the coefficient of kinetic friction is 0.17 and the push imparts an initial speed of 4.3 m/s?

43. ## chemistry

Write the complete balanced molecular, ionic,and net ionic equations for the reaction of nickle II chloride + sodium phosphate. Which product,if any, is a precipitate?

44. ## Social

1. Speeches and oral presentations are much like other business messages in that A) they require similar planning. B) the size of the groups to which they are delivered is similar. C) the interaction between the audience and speaker is similar. D) they

45. ## chemistry

Can anyone help me with these Chemistry questions? I am trying to study for an upcoming test and its just not sinking in as well and I thought. This is Thermochem for a heads up: Suppose 33mL of 1.20M HCl is added to 42mL of a solution containing excess

46. ## chem

1.Aqueous solutions of sodium and copper (II) chloride are mixed together. which statement is correct? a. both NaCl and CuS will precipitate from solution b. no precipitate will form c. CuS will precipitate from solution d. NaCl will precipitate from

47. ## MATH/Algebra

I know that to find the height of a woman that has a tibia bone measuring 43.4 would be computed like this H(t)=0.984(t)+28.6, and I would arrive at this :69.5696, but I how would I prepare a function to figure out a womeans tibia in inches when she is 5

Kenny wants to get to the pool 25 minutes before the pool opens. It takes him 20 minutes to drive, and 15 minutes to pack up. At what time should he start packing up if the pool opens at 5:30 p.m.?

49. ## physics

A 1.8 kg object is pulled along the floor with a force of 7.0 N acting horizontally. If the object accelerates at 2.4m/s^2, how much kinetic friction is acting? how do i do this? could you please explain step by step

50. ## PreCalculus

How do i find the phase shift in this problem Naturalists find that the populations fo some kinds of predatory animals vary periodically. Assume that the population of foxes in a certain forest varies sinusoidally with time. Records started being kept when

51. ## question

Sometimes it is necessary to challenge what people in authority claim to be true. Although some respect for authority is, no doubt, necessary in order for any group or organization to function, questioning the people in charge-even if they are experts or

52. ## Physics

Thank you so much bobpursley for all your help. I actually think I'm beginning to understand, physics involves a lot of what I've learned so far, Newton's laws, mass, acceleration, etc... I just have to make connections. “A Honda Civic and Lincoln Town

53. ## Physics

Hey can someone help me out? I only have 1 attempt left on this question and do not understand it at all!!! A 3.5 kg balloon is filled with helium ( density = 0.179 kg/m^3). If the balloon is a sphere with a radius of 5.2m , what is the maximum weight it

54. ## chemistry.

What mass of ethanoic acid would you used and how would you prepare 0,500 dm3 of a 0,500 mol dm3 ethanoic acid solution? (M of ethanoic acid=60,0)

55. ## math

An item regularly priced at is on sale at a discount of . What is the sale price of the item?

56. ## Physics

Thank you so much bobpursley for all your help. I actually think I'm beginning to understand, physics involves a lot of what I've learned so far, Newton's laws, mass, acceleration, etc... I just have to make connections. “A Honda Civic and Lincoln Town

57. ## Sociology

What functions do status, role, primary groups, and secondary groups play in social interactions between different racial and ethnic groups. List one example of each.

58. ## Math

Suppose that a country's population is 64 million and its population growth rate is 3.7% per year. If the population growth follows a logistic growth model with r=.053, what is the country;s carrying capacity? How do I solve this problem... or at least

59. ## Chem

How many potassium ions are present in 91.1g of potassium nitrate?

60. ## AP Physics

You go to kitchen to boil water. You pour 280 gram of water to a container, and put the container on a 293 W electric heater. Assume that all the heat from the heater is used to heat the water. The specific heat of water is 4.19 J/g ° C. As always, be

61. ## Calculus

Hi there I am having some troubles trying to do my calculus homework and I really need help trying to do this problem from my homework: Set up the problem and do not solve: The mass of the solid bounded by the surfaces 2x^2 + 2y^2= 9, z=0, z=3 with density

62. ## chemistry.

When 41.81 of a solution of aqueous sliver ions with a concentration of 0.2040 mol dm3 is added to a solution of XO-3/4 ions, 1.172g of the precipitate is formed? ..Can any one help me with that! NB: -3/4 mean that 3 is up and 4 is under it.

63. ## author

Which of the following, if true, provides the strongest support for an archaeologist’s conclusion that a particular stretch of ancient stone-paved road was part of the Inca road system? A) When the Inca conquered the area, they took some of the existing

64. ## French

Could you please check these thanks Directions: Un peu de culture: Answer in the affrimative using a pronoun follow the model -Tu ne connais pas ce musée -Si, je le connais Part 1 1. -Te ne connais pasa cet acteur? Answer: -Si, je le connais. 2. -Tu ne

how do you draw an atom of the isotope nitrogen 14? I know it has 7 protons and 7 neutrons but how do I draw it?

66. ## physics

three dogs play tug-of-war with a chew toy. Each dog pulls with a force that is horizontal with the ground. Determine the net force acting on the chew toy and the acceleration of the chew toy if its mass is 325g. (ignore friction and gravity) Dog 1 pull:

67. ## Social Studies

I have to do a current event about a revolution that happened at most 20 years ago, for example like maybe when a group of people boycotted for a law to be passed. So does anyone know an article I can find online?

68. ## physics

A 1.13 kg hollow ball with a radius of 0.139 m, filled with air, is released from rest at the bottom of a 1.86 m deep pool of water. How high above the water does the ball shoot upward? Neglect all frictional effects, and neglect the ball's motion when it

1. A farmer had several pens out by the barn. He had used 17 lenghts of fence to make the pens, but now he needs to use six of those fence lengths for another project. He wants to remove six fence lenghts but still have two square pens remaing. Which

70. ## math

The gym is sponsoring a basketball elimination tournament with 16 teams entered. Winner play winners until only one team is left. What is the total number of games that must be played?

71. ## World culture

What is culture? Define its specific components. o What is art? Define the visual arts, music, architecture, and literature. o What is the role of the artist? To what extent do artists express or influence culture?

72. ## Social

When selecting a medium for a report A) you should choose the ones that are most convenient. B) you should choose the ones that are most economical. C) your decisions should reflect your audience and your purpose. D) you should always present your report

73. ## Algebra

Why does this happen? A=3 and b=2 A+b=c is the equation. Multiplying both sides of the equation makes the equation a^2+2ab+b^2 which is equal to a^2+ab-ac=-ab-b^2+bc Dividing by (a+b-c) we find a=-b or 3=-2 Why?

74. ## Physics

Hey can someone help, im having trouble converting alot. IP The weight of your 1440 kg car is supported equally by its four tires, each inflated to a gauge pressure of 30.0 lb/in^2. What is the area of contact each tire makes with the road? What gauge

75. ## Physics AP

In the process from point b to point c, the gas in the engine is heated to a higher temperature. As the gas is heated, it expands pushing the syringe piston up. Let's assume that this process is isobaric. The temperature of the gas at point b is 20.2 ° C,

76. ## science

show the steps a scientist would take to classify a newly discovered animal

77. ## child development

how you can assess a child’s knowledge? i also have another question. what are Gardner's intelligences? is it Linguistic intelligence ("word smart"): Logical-mathematical intelligence ("number/reasoning smart") Spatial intelligence ("picture smart")

78. ## math

how to write two differnt word phrases for the expression t 30

79. ## spanish

how can i do a project telling that I understand directions and locations in spanish any ideas

80. ## physics

find the electric field and direction 0.100 micrometer west of an electron (144000 N/C East) im not sure if im converting it right.. 0.100 micrometer= 1x10^-6 m

81. ## Biology- Urgent

1. There is no ____ that is specified by a stop codon on an mRNA molecule. 2. Why is it impostant for RNA polymerase to start at the right place and transcribe in the right direction? I really had no ideas on these two. Please help. Any help is

82. ## math

A fireman stood on the mioddle step of a ladder, shooting water into a burning building . As the smoke lessened, he climbed up three steps and continued his work. the fire got worse,so he had to go down five steps. Later he climbed up the last six steps

What is the balanced chemical equation for P+H2>PH3?

84. ## physics

what's the difference between weight and mass?

85. ## science

how do you find the wavelength by observing a standing wave

What are the different devices used to communicate in businesses?? already have: instant messaging, cell phones, e-mail,online conferencing, video call, voice mail.

87. ## programing

1. CheckPoint: Interfaces and Communication Messages Understanding object-oriented methodologies is often difficult. You already understand that object-oriented analysis and design emulates the way human beings tend to think and conceptualize problems in

88. ## Math

Solve: x^2-x-1=0 is it (x+1)(x-1)= 0 x + 1 = 0 x - 1 = 0 so then X = -1,1

89. ## econ/calc

I was trying to derive for A from the function: profit=PQ(P,A)-C(Q(A))-A these are my steps profit=Pdq/da-Cqdq/da-1 dprofit/dA=P(dq/da)-MC(dq/da)-1=0 (p-MC)change in q/change in A=1 p-mc/p[A/Q *change in q/change in A]=A A=TR Ea/Ed ----------- this is what

90. ## spanish 2

how do you say these in spanish You can go by car, train, bus, or walk. and plan for a day in the city

91. ## math

An amount of money is invested at 12%/a interest. Write an equation and solve it to determine the length of time it will take for the original amouunt to double if the interest is compounded annually.

92. ## physics

how do you find the magnitude of the net force if you have 2 forces acting on an object: 8.4 N[S] and 7.5 N[E]

93. ## science

how is the periodic table like a calendar

94. ## math 156

\$25 dollars can be saved by buying a jacket that is marked down 20%. what was the jackets original price? was is \$125

95. ## math

2x^2+x-28=0 Solve by completing the square

96. ## Social

Major online job boards such as CareerBuilder or Monster have made it A) impossible to find good jobs in a specific area. B) virtually impossible not to find a job you like. C) far easier to stand out from the crowd of other applicants. D) much more

Jason is thinking of a number. He adds 8, multiplies by 2, subtracts 4,and then divides by 2. The result is twenty-four. What number is Jason thinking of?

98. ## Algebra

Determine if linear equation is so put into satandard form. 3x = 5y 7y = 2x + 5x 3/x + 4/y = 2

99. ## FINANCE

Collins Office Supplies is considering a more liberal credit policy to increase sales, but expects that 9 percent of the new accounts will be uncollectible. Collection costs are 5 percent of new sales, production and selling costs are 78 percent, and

100. ## Math-stuck

I know that to find the height of a woman that has a tibia bone measuring 43.4 would be computed like this H(t)=0.984(t)+28.6, and I would arrive at this :69.5696, but I how would I prepare a function to figure out a womeans tibia in inches when she is 5

101. ## math

Sandra has eight coins witch total \$0.87. what coins does she have (Hint:make a chart or a list)

102. ## precalculus

For the acute angle with sin theta=3/5, find cos theta, tan, cot, csc, sec.

103. ## math 156

a worker makes 30000 a year. after 1 year he gets a raise of 5%. the next year he gets a raise of 10%. If he received no raise the first year, what percent increase would give him the same salary as consecutive raises of 5% and 10%? would it be 50%

104. ## Physics

CAN SOMEONE PLEASE HELP ME; I NEED TO KNOW IF MY ANSWERS TO THESE QUESTIONS ARE CORRECT! THANK YOU SO MUCH!! 1.) Whenever an interaction occurs in a system forces occur in equal and opposite pairs. Which of the following do not always occur in equal and

105. ## science

Marianne poured salt crystals into water to form a solution.In the solution, which best decribes the salt.

106. ## economics

i am doing my dissertation and i need to find a model to determine the optimum level of bank reserve ratio. i have looked at Richard Cothren (1987)’s journal entitled “ Asymmetric Information and Optimal Bank Reserves”. but i want to find a SIMPLE

107. ## calc.microecon

I was trying to derive for A from the function: profit=PQ(P,A)-C(Q(A))-A these are my steps profit=Pdq/da-Cqdq/da-1 dprofit/dA=P(dq/da)-MC(dq/da)-1=0 (p-MC)change in q/change in A=1 p-mc/p[A/Q *change in q/change in A]=A A=TR Ea/Ed ----------- this is what

108. ## Science

What are interactions between living things in the tropical rainforest? thanks

A sign is being held up by two walls which are 22ft apart. You want the sign, which has a mass of 200kg, to hang in the middle of the two walls. If you have 50ft of rope, which has a breaking point of 2200N, and you want the sign to hang in equilibrium,

110. ## physic

Hi! Help me please, thank you so much. What mass of water at 28.0 °C must be allowed to come to thermal equilibrium with a 2.05-kg cube of aluminum initially at 1.50 102 °C to lower the temperature of the aluminum to 54.8 °C? Assume any water turned to

111. ## MATH - logarithms

solve for x. 485 * 5^x+2 = 12^2x-1

If 2 people have 60 shares of stock between them and you double the number of shares of the 1st person and half the number of shares of the 2nd person so that they both have equal shares. How do find the number of shares the 1st person has?

113. ## Alebra II

Write as a unit price. 8 pounds of potatoes cost \$3.60

114. ## algebra

show me how to solve this problem: Given an endpoint, C, and a midpoint, M, find the other endpoint, D, when C= (3,3), M= (0,0)

115. ## child development (answer included)

• Choose a topic (such as history or science) you feel is relevant to the age group you work with or expect to work with. • Describe in 200 to 300 words how you can assess a child’s knowledge on your chosen topic using at least five of Gardner's

116. ## physics

what's the difference between weight and mass?

117. ## chemistry 11

explain the process of a bohr model

118. ## French

How would you say: she is a good professor and I (feminine) am your good student thank you

119. ## math 156

what is the simplest ratio form this can be written in... \$4 to 25 cents? is it 1:5

120. ## physics

What is the volume occupied by 7.0 g of hydrogen under a pressure of 2.6 atm and a temperature of 300 K? answer is .0332 m^3. how? A steel cylinder of radius 7.0 cm and length 4.0 cm is placed in end-to-end thermal contact with a copper cylinder of the

121. ## math

find equivalent fractions: 6/10, 3/4, 4/12 and 1/5

122. ## math 156

Liz needs to buy soft drinks for 30 people. At the store she finds that she can buy 6 cans for \$2.10. She assumes that each person would drink 2 cans each. WHen she checks her wallet she finds that she only has \$20. Does she have enough money to buy soft

123. ## elementary

correct spelling of the following: two (sister's, sisters') bicycles??

124. ## spanish 2

how do you say start, beginning, end, stay in spanish

125. ## accounting

Write a 200- to 300-word response explaining what information would be found in each of the following groupings on a classified balance sheet and how that data might indicate the future success or failure of a business: o Current assets o Long-term

126. ## math

the difference between two numbers is 3. the sum of the numbers is 45. what are the two numbers

127. ## Writing

Can you tell me if this is a good start on my persuasive paragraph ! Sit down for a change. Take a seat at El Toro! El Toro has been serving their food since 1998. Do you know why you should visit the magnificent restaurant? Well when you go and take a

128. ## math

Find equivalent fractions with common denominator and order form least to greatest: 2/3, 1/2, 5/12

129. ## AP Physics

Hi im new so maybe one of you can help me understand this question, can't find it anywhere in the book. A person weighs 723N in air and has a body-fat percentage of 29.3% . What is the overall density of this person's body? What is the volume of this

130. ## spanish II

any ideas on projects telling that I understand location and time in spanish

131. ## pre calcalus

evaluate sin(-5pi/9)

132. ## College physics

A 0.45 mass is attached to a spring with a force constant of 26 and released from rest a distance of 3.2 from the equilibrium position of the spring. a.What is the maximum speed of the mass? (m/s) b.How far is the mass from the equilibrium position when

133. ## Science

Do you believe humans can harvest resources in an environmentally friendly way, or should national forests be left in their natural state in which resources are not used to benefit humans?

134. ## transcript

Hello!I would like that you transcribe me in english 2 audios document (they're very short 2 min the both)you can listen them if you write in search engine :for the first Genevieve : how I celebrate Thanksgiving &for the second Brigitte : Thanksgiving

135. ## college

What social, political, and economic changes pulled the North and the South farther apart? · What was the final determining factor that led to Southern secession? · What social and economical changes discussed in previous chapters fueled sectional

136. ## math 156

Suppose that Berry Bonds has 148 hits in 500 bats. how many hits does he need in his next 10 at bats to raise his batting average to .300? does he only need 1 hit

137. ## Science

Do you believe humans can harvest forest resouces in an environmentally friendly way, or should national forests be left in their natural state in which resources are not used to benefit humans? To which side are you inclined? What are some examples from

138. ## Chemistry

what is the standard heat formation of F3O4. i know for F2O3 is -824.2. is this the same for F3O4????

139. ## JOe

How do I find the equation of the wave h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 5 9 8 9 5 8 9 3

what is the difference between video conferencing and video call?

141. ## accounting

Can anyone tell me how earnings are valued, how shareholder wealth can be maximized and how management decisions affect stockholder wealth? This is confusing.

142. ## math

Alog is cut into four pieces in 12 seconds. At the same rate, how long would it take to cut the log into five pieces? Hint the answer is not 15!

144. ## Physics

Why do ironic compounds have high melting points?

145. ## math

Hello i am in class 6 and i have problem in some of the topics please can you explain me 1.Factors and Multiples 2.Integers 3.Rational numbers 4.Estimation and approximation Thank you.

146. ## Abstract algebra

Prove that the cancellation law of multiplication is equivalent in a commutative ring to the assertion that the product of non-zero factors is not zero

147. ## Social

Delivering a business report as an electronic file A) is useful if readers will need to search the report frequently. B) costs too much to be practical. C) is usually an inconvenience for readers. D) is rarely, if ever, necessary. i think its A or C....but

What is communism?

149. ## pre calcalus

evaluate sec(1.7

150. ## LAng. Arts

Develop a showing paragraph with specific F.I.R.E.S ( facts, incidents, reasons, examples, and statistics) The topic sentence is: The fire drill went miserably.

how did the survivours of Krakatoa receive help

152. ## math

what is the formula for 24.00 divided by 8?

153. ## l.a

what does equivalent mean?

154. ## English-Poetry

I need to write a couple using 5 of these words: interfere, intermediate, interpret, recommend, remarkable, adjective, convection cell, weather, climate, or hyperbole

155. ## Chemistry

Is this an accurate definition of Tg: Glass transition temperature. The temperature at which a glass forming liquid transitions into an amorphous solid. This transition temperature depends on the rate of cooling.

156. ## Algebra 1

In how many ways can Abby, Bonnie, Chuck, Dennis, Ed and Fred line up at the water fountain so that the two girls, Bonnie and Abby, are not beside each other?

157. ## SSI OASDI FICA

Although I was aware that this controversial debate was still raging even recently, where can I find out more about the double-sided issue of social security privatization?

158. ## math 156

find the simple interest for the indicated length of time. \$20000 at 5.5% interest for6 months. 20,000(0.55)(6)= \$66,000 is that correct?

159. ## Chem

How many moles of excess reactant when 338mL of 0.226M sulfuric acid reacts with 0.493L of 0.211M sodium hydroxide to form water and aqueous sodium sulfate?

160. ## math

if a group of students are facing each other in a circle and student 2 is facing student 9 how do i find out how many students are in the circle

161. ## Math

Evaluate: 1/3 + (-5/6) + (-1/2) A) -1 B) 2/3 C) 0 Evaluate: |-27 + 14| A) 13 B) 41 C) -13 Is (C)-13 correct? Evaluate: (-3)(-6) + (4)(-2) A) -26 B) -10 C) 10 Is (B) -10 correct?

162. ## Math

If you begin with a right triangle with sides a, b, and c and decrease the right angle so it is an acute angle, how does a^2 + b^2 compare with c^2 ?

163. ## Science

I can find anything on these questions I need to answer to pass year nine. My teacher said he doesn't matter where the answers come from as long as I pass and don't have to repeat. PLEASE HELP ME! Due tomorrow! 1. List 5 latest developments in sports

164. ## criminal justice

write a 350-700 word response in which you describe each of the four caterories of stress associated with policing profession. within each response, describe how this type of stress the officer's job, social life, and personal life. How might the officer

165. ## math

f(x)=xsquared+10 and g(x)= square root of x-1 and i have to figure out g(f(-3) i just don't know how to do it because i thought you could not have a negitive under a radical?

166. ## Physics

Hi im new so maybe one of you can help me understand this question, can't find it anywhere in the book. A person weighs 723N in air and has a body-fat percentage of 29.3% . What is the overall density of this person's body? What is the volume of this

167. ## Pre-algebra

I can't figure out how to solve: Question #1: Two number cubes are rolled and a coin is tossed. Find the number of possible outcomes. Question #2: What is the probability of winning a lottery game where the winning number is made up of 6 digits from 0-9

How do i calculate this problem. In 2007 the Pearl Boutique had net credit sales of \$750,000. On January 1, 2007, Allowance for Doubtful Accounts had a credit balance of \$16,000. During 2007, \$30,000 of uncollectible accounts receivable were written off.

I need help to see if I did these steps and problems right before I hand this in…I am stuck, and cannot figure out question three part b and H…I just need help with the proper function of b and h part. 1. An anthropologist drives a car at a speed of 30

I'm workinng on assignment and need help a)The danger of overdiagnosis b)The power of diagnostic labels c)The confusion of serious mental disorders with normal problems d)The illusion of objectivity and universality THANKS!!!

171. ## math 156

if a sewer line drops 1 foot every 40 feet how many feet will drop over a distance of 100 feet? is it 400 feet?

172. ## j

pictures of words

173. ## IPC

a light bulb transferring 5,000 joules of energy for 5 minutes

-4(2n-6)

175. ## U.S. History

Defend McCarthyism as appropriate for the time in which it occurred.

176. ## math

for the problem asking to integrate (x^2 - 5x+ 14 )/(x-1) * (x^2+9) I solved getting the answer ln(x-1)-5/3 tan^-1(x/3)however this isn't right. plsee help!

Suppose a brewer intends to use the triangle taste test method to identify the best applicants for the position of “taster.” (It does so because the company will want their tasters to have sensitive palates, and it will need someway of determining

178. ## pre calcalus

angle measure to degree form 401degrees 39minutes 24seconds

179. ## college

how to save a microsoft word document on a computer runnign a windows based operating system to a computer disc

180. ## division

what is 9227divided by 83

what multiplication fact can be found using the arrays for two times nine and five times nine?

182. ## college

1. Can an indiviudal be a leader and not have follwers? 2. Does a leader need managerial skills? 3. Does a manager need leadership skills? Why or why not?

183. ## English

When do I capatilize the word aunt? I think it's: This is my Aunt Marrianne. Is that right or is the a lowercase? Please explain. Thank You

184. ## French to Sra McGinn

Thank you for answering my earlier post; however I am still uncertain of how you would say: "she is a good professor". Elle est bon professeur??? Elle est bonne professeur?? Also, I know that one would not use the personal form when speaking to a teacher

185. ## science

how is the periodic like a calendar

how do you make a time line for the story little house in the big woods from events from the book and events from historical period of book

187. ## math

how do you classify a number ( 5th grade stuff)

188. ## Functions

h(x)= x/(x-2) and g(x)= 2/x. Find and simplify h of g(x). I plugged g(x) into h: h(x)= (2/x)/[(2/x)-2] Now, would I multiply each by x, the Common Denominator? Therefore getting 2/(2-2x) which simplifies to 1-x?

189. ## Science

hello my exams are just going to start and i don`t have science book because it`s not available in shops so for standard 6 can you give me some information in these topics: 1. Interdependence and Adaption 2.Scientists in the book scientists` topics are

190. ## MATH

X+6=19 X-7Y=-7 I cant remeber how to do this but think i need to find a common denominator?

191. ## science

Potential to Kinetic or Kinetic to Potential. Describe an example of energy conversion that occurs during the activity. Playing in a rock band?

192. ## making a travel guide

i need help creating a powerpoint of a travel guide about flordia

193. ## U.S. History

Hey I am completely lost on these questions, I read the chapter, but still do not get it. I need to know how McCarthyism affected the lives and political thinking of people in the U.S.

194. ## math 156

Dan, Shelly, Kirby worked together on a lawn. together they earned \$4000. Dan worked 40 hrs, shelly worked 25hrs and Kirby worked 15 hrs. how should they divide the money? This one I do not understand, can anyone help me?

195. ## Science

What are three ways to measure matter

196. ## cacl

the integral of 1x^2-5x+14/(x-1)(x^2+9) the answer i got was ln(x-1)-5/3 tan^-1(x/3) however this is not right..... pleasee help!

197. ## math

which is greater than and which is less than? > < ..?

198. ## Science

What is the gradient of Clifty Creek 1300 & 1240 feet? _____ ft/mile

199. ## science

that helps alot