# Questions Asked onJanuary 11, 2010

1. ## AP Chemistry

Write the expression of for the base dissociation constant for hydrazine, N2H4, a weak base. Hydrazine reacts with water to form the N2H5+ ion.

Estimate a range for each sum. 3.89 + 42.71 + 12.32 I don't understand what to do for "estimating a range".

3. ## Physics

The water flowing through a 1.9 cm (inside diameter) pipe flows out through three 1.3 cm pipes. (a) If the flow rates in the three smaller pipes are 24, 18, and 13 L/min, what is the flow rate in the 1.9 cm pipe? (b) What is the ratio of the speed of water

4. ## Physics

Water flows at 12 m/s in a horizontal pipe with a pressure of 3.0 x 10 4 N/m2 . If the pipe widens to twice its original radius, what is the pressure in the wider section?

5. ## math

for an annual fee of \$30 you can join a movie club that will allow you to purchase tickets for \$5.50 each at you local theater. If the theater charges \$8 for movie tickets write an solve an equation to determine how many movie tickets you will have to buy

6. ## Chemisty

How do i convert 0.0024 to scientific notation

7. ## Calculus

If the integral from a to b of f(x)dx=a+2b then integral from a to b of (f(x)+3)dx= ? The answer: 5b-2a How do I get to that answer??

8. ## Geography

Which statements describe settlement patterns? 1)Land use is affected by settlement patterns. 2)Politics and economic factors seldom play a role in where people settle. 3)Settlement patterns provide information about the people living in specific areas.

9. ## Calculus

The function f is continuous on the closed interval [1,7] and has values in the table below x f(x) 1 10 4 30 6 40 7 20 Usinf the subintervals [1,4] [4,6] [6,7] what is the trapezoidal apporx. of the integral from 1 to 7 of f(x)dx? The answer: 160 I tried

10. ## Bible Fill In The Blank

1. God can use suffering to cause us to ? spiritually and to bring ? to Himself. I Think the first one is "grow". I'm not sure about the other one. I'm Not Sure For Numbers 2-4 (Below). Please Help Me! 2. Ethical, doctrinal, numerical, and factual

11. ## physics

A 1100 kg car rolling on a horizontal surface has speed v = 70 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.2 m. What is the spring stiffness constant of the spring?

12. ## Physics

A ball is dropped from a roof and takes 3.0 s to reach the ground. Calculate the elevation of the roof above the ground in meters.

13. ## Finance 200

The Bubba Corp. had earnings before taxes of \$200,000. and sales of \$2,000,000. If it is in the 50% TAX BRACKET ITS AFTER-TAX PROFIT MARGIN IS?

14. ## math/physics

An electron moving through an electric field experiences an acceleration of 6.1 multiplied by 103 m/s2. (a) Find the electric force acting on the electron. (b) What is the strength of the electric field?

15. ## Physics

What should be the angle between two vectors of magnitudes 3.20 and 5.70 units, so that their resultant has a magnitude of 6.10 units?

16. ## Chemistry

Rank these acids from weakest to strongest: H2C2O4, HCO3-, H2PO4-, HCOOH.

17. ## Bible Study

The fact that the Flood lasted over a year is? 1. a geological evidence for the local flood theory. 2. an evidence from Genesis for the local flood theory. 3. an objection to the local flood theory. 4. all of these. I think it is 4?

18. ## geography

Which statements describe the management of the earth's resources? 1)Resource management becomes more important as the population increases 2)Resource management is a global issue. 3)Resource management is a local issue. 4)Resource management is a national

19. ## Bible

I need help with these two questions please. I cannot figure out what goes with what. Thanks. The orderly design and purpose of nature which verifies a divine intelligence is a(n) ? argument. Choises: 1. teleological 2. cosmological 3. anthropological The

20. ## economics

According to the “guns and butter” example, if a country decides to spend more on military goods, which of the following will happen?

21. ## PHYSICS

Gerry, who weighs 500 newtons, is late for class. It takes her 7.5 seconds to run up two flights of stairs, a total height of 8.0 meters. How much power does Gerry expend in her run upstairs?

22. ## precalculus half angle question stumped

Given tanu= -1/3 and sinu

23. ## science

Why does a hot air balloon begin to rise when heated air is trapped inside the balloon? Thanks so much for the help, :)~happy

24. ## Geometry

How do you find the scale factor for similar figures?

25. ## Calculus

Let F(x) be an antiderivative of sin^3(x). If F(1)=0 then F(8)=? The answer: 0.632 How do I get to that answer? Do I find the antiderivatie and solve for F(x) when x=8?

26. ## ath

Jill deposited \$2,500 in a savings account at a rate of 7.75%, compounded monthly. How much was in her account after three months?

27. ## phys.

a computer with a power input of 230.0 W (watts) has a resistance of 91.0 Ohms . how do you find the current in the computer?

28. ## math

Jean purchased a \$995 stereo system on the installment plan. She paid 20% down. The finance charge on the remainder was 19.4%. She was given 18 months to pay off the balance. What was her monthly payment?

29. ## French

We just learned about the pronouns leur and lui. I really don't understand them but I attempted the homework so could you please check these thanks. Part 1 Directions: Rewrite each sentence replacing the italicized words with a pronoun. (the italicized

30. ## chemistry

How many milliliters of 0.155 M HCl are needed to neutralize completely 35.0 mL of 0.101 M Ba(OH)2 solution?

31. ## math

You need \$28,974 at the end of 10 years, and your only investment outlet is an 8 percent long-term certificate of deposit (compounded annually). With the certificate of deposit, you make an initial investment at the beginning of the first year. A. What

32. ## Math

Jack Hammer invests in a stock that will pay dividends of \$2.00 at the end of the first year; \$2.20 at the end of the second year; and \$2.40 at the end of the third year. Also, he believes that at the end of the third year he will be able to sell the stock

33. ## Math

Go to Table 10-1 which is based on bonds paying 10 percent interest for 20 years. Assume interest rates in the market (yield to maturity) decline from 11 percent to 8 percent: A. What is the bond price at 11%? B. What is the bond price at 8%? C. What would

34. ## chemistry

what is the molecular geometry of IO3- when the angle is 105 degrees? What is it when the molecular geometry is 120 degrees? Which angle creates the most stable structure with the highest Boltzmann Distribution? Create a lewis structure that agrees with

35. ## Math

Use elimination to solve each system of equations. x+y-2z=10 8x-9y-z=5 3x+4y+2z=-10 I need to figure out what x,y, and z each equal. I must use the elimination method.

36. ## chemistry

How would you prepare 100.0 mL of 0.07500 M AgNO3 solution starting with pure solute?

37. ## maths

A tree broke from a point but did not separate. If the point from where it broke is 7 m above the ground and its top touches the ground at the distance of 24 m from its foot, find out the total hieght of the tree before it broke.

38. ## Investigation

Conduction, convection, or radiation? The heat you feel from a fireplace

39. ## physics

What vector represents the displacement of a person who walks 15 km at 45 degrees south of east, then 30 km due west?

40. ## chemistry

The hydrogen emission spectrum has four series (or sets) of lines named Balmer, Brackett, Paschen, and Lyman. Indicate the energy (infrared, ultraviolet, or visible), the nf value for each series, and all possible ni values up to 7

41. ## chemistry

What mass of NaOH is required to precipitate all the Fe2+ ions from 50.0 mL of 0.200 M Fe(NO3)2 solution?

42. ## Physics

I can't seem to figure out this problem...what equation would I use? Thanks! An incompressible, nonviscous fluid is initially at rest in the vertical portion of the pipe, where L = 2.17 m. When the valve is opened, the fluid flows into the horizontal

43. ## math

Your rich godfather has offered you a choice of one of the three following alternatives: \$10,000 now; \$2,000 a year for eight years; or \$24,000 at the end of eight years. Assuming you could earn 11 percent annually, which alternative should you choose? If

Mario got his \$10.00 weekly allowance on Monday. He spent 25% of his weekly allowance on Tuesday, 15% of his weekly allowance on Wednesday, and 10% more on Thursday. How much money did he have left to spend for the rest of the week?

45. ## math

Midland Oil has \$1,000 par value bonds outstanding at 8 percent interest. The bonds will mature in 25 years. Compute the current price of the bonds if the present yield to maturity is: A. 7 percent. B. 10 percent. C. 13 percent.

46. ## chemistry

Infrared, ultraviolet, and visible radiation are all part of the electromagnetic spectrum. Arrange the three types of radiation in order of increasing energy? i put visible

47. ## social studies

an acrostic on the federalists

48. ## 1o math

Scott charged a \$568 purchase on his credit card. The first month he paid \$200. The second month's statement included a 1.75% monthly finance charge, computed on the unpaid balance method. What was the total amount due on the second statement?

49. ## math

add 98/10+2/10 write the answer in simplest form A)100/10 b)10/10 c)10 d)1

50. ## Physic

I am having trouble with some of this question. 'A student standing at the top of a cliff shoots an arrow from a height of 30.0 m at 25.0 m/s and an initial angle of 32.0 degrees above the horizontal. b. How high above the landscape under the cliff with

51. ## math

stewart had \$25. He spent \$5. What fraction of his money did he have left?

52. ## math

North Pole Cruise Lines issued preferred stock many years ago. It carries a fixed dividend of \$6 per share. With the passage of time, yields have soared from the original 6 percent to 14 percent (yield is the same as required rate of return). A. What was

53. ## science

Me again :) Why might a car manufacturer change the shape of the side mirrors on a particular model? Thanks again.

54. ## ela

can you proof read for me PLEASE Seventeen year old boy, Alex is the main character of novel. Alex comes from school and find out his father in study. He saw his father talking on phone. His father Ted Jackson,is a cameraman of Canadian Broadcasting

55. ## ENGLISH

CAN YOU PROOF READ FOR ME PLEASE A seventeen year old boy, Alex is the main character of the novel. Alex comes from school and find out his father in study. He saw his father talking on the phone. His father Ted Jackson,is a cameraman of Canadian

56. ## physics

A plane is heading to a destination 1750 km due north at 175 km/h in a westward wind blowing 25 km/h. At what angle from north should the plane be oriented so that it reaches its destination?

If you were designing a human service organization, which theories would you most likely use?

58. ## english

write an autobiographical narrative about an experience that was meaningful to you

If a bird has a hooked bill and sharp talons, it might be a(an): a.) water bird b.) ostrich c.) bird of prey d.) perching bird I think it's a.!

60. ## Chemistry (PLS HELP ASAP)

What is the molecular weight of a gas if a 15.0g sample has a pressure of 836 mm Hg at 25.0 degrees C in a 2.00 L flask? a)167 b)1.35 c)176 d)11.1 e)none of the above Please explain... I need to understand how to do this. Thanks. I know that I have to use

61. ## Bible

I don't know which one of these fits the blank. Can someone please help? The law of cause-and-effect which verifies a divine power is a(n) ? argument. Choises: 1. teleological 2. cosmological 3. anthropological

62. ## Algebra

In an interview of 50 math majors, 12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra and geometry 25 liked calculus 15 liked geometry 10 liked algebra but neither calculus nor geometry 2 liked geometry and algebra

63. ## U.S. HISTORY

The Americans claimed to fight for liberty and freedom. How did these Ideals make women and enslaved Africans question their position in society ?

64. ## Math

A square is inscribed in a circle of radius r. Express the length of the side of the square in terms of r.

65. ## math

Write the ratio as a fraction in simplest form. 80:300

66. ## math/physics

A Van de Graaff generator is charged so that the magnitude of the electric field at its surface is 3.0 multiplied by 104 N/C. (a) What is the magnitude of the electric force on a proton released at the surface of the generator? (b) Find the proton's

67. ## Physics

A ball rolls down an incline at a constant acceleration of 2 m/s^2. What is the velocity of the ball after 8.5 s? How far does the ball roll in 10s? How far does the ball roll in the seventh second?

68. ## Math

Back in the old days, couples would enter marathon dance contests to win money. They would dance continuously, with only short breaks for food and drink. Some contests would go on for over a week. How many hours of dancing would there be in a 7-day week?

69. ## Physics (algebra bit)

I do not see how to do this problem One car has twice the mass of a second car, but only half a smuch kinetic energy. when both cars increase their speads by 7.0 m/s, they then have the sam kinetic energy. What were the original speeds of the cars?

70. ## pre algebra

32yd/min equal how many in/sec

71. ## math

Joe has \$10,000 to purchase a used car. If the sales tax is 7% and the fee for title and license plates is \$200, what is the maximum amount Joe can spend for a car?

72. ## Trig

I'm confused on how to determine what the end result angles are for a trigonometric identity (I get how to find the value of sin, cos, etc., and I know how to find the reference angle. I just don't know how to determine further angles from there). For

73. ## Physics

By what factor would you have to decrease the tension in a stretched string in order to decrease the wave speed by a factor of 3.5? I know that v = sqrt(T/u) but am confused as to what to do?

74. ## Math

A mail handler needs 3 hours to sort the mail, but with an assistant, it takes 2 hours. How long would it take the assistant to sort the mail working alone?

75. ## Science

The normal recommended amount of vitamin c is 1,000 milligrams(mg) per day for non-pregnant woman. During pregnancy, how much Vitamin C does a pregnant woman need?

76. ## ela

can youproof read for me please Eddie told Alex and his dad that Lao Xu is just doing his job about reporting back to his superiors on all our activities. Alex felt bad because he liked Lao Xu who was becoming his friend but he is just an informer. His

77. ## Finance 200

If a firm has fixed costs of \$20,000, variable cost per unit of \$.50, and a breakeven point of 5000 units, the price is?

78. ## physics

Calculate the net charge on a substance consisting of a combination of 6.8 multiplied by 1013 protons and 4.6 multiplied by 1013 electrons.

79. ## chemistry

The Rydberg equation (1=Rni 2–Rnf 2) can be treated as a line equation. What is the value of nf as a function of the slope (m) and y-intercept(b)? A. –mb^2 B. (–m/b)^(1/2) C. m/b D. (m/b)^(1/2) E. (mb)(1/2) F. None of these are correct.

80. ## college math

Use sets to verify the following answers a. 4+5=9 B. 0+6=6 C. 10+2+12 I want to know if I'm doing this right. please check my answers. I'm confused on how to do this but I'm giving it a shot. A. a+b=c b. 0+2=a C. 5+5+2=12

Would you use a benchmark of 1,000 to estimate the number of shoes in your classroom? Explain. Dont understand this you explanation would be helpful Thank you

82. ## physics

10. The following three point charges are placed on the x axis: +5.0 mC at x=0; +4.0 mC at x= -40 cm; and +6.0 mC at x= +80 cm. Find (a) the electric field magnitude and direction and (b) the electric potential at x= +10 cm. a) E = k(5E-6)/.102

83. ## math

Jeff pays \$967 in state taxes per year. If he is paid semimonthly, how much is withheld from his paycheck for state taxes each pay period?

84. ## math/physics

A Van de Graaff generator is charged so that the magnitude of the electric field at its surface is 3.0 multiplied by 104 N/C. (a) What is the magnitude of the electric force on a proton released at the surface of the generator? (b) Find the proton's

Which observation supports the statement that birds are reptilelike animals? a.) bird's front limbs usually do not have useful claws b.) bird's have only two legs c.) bird's feet are covered with scaly skin d.) birds generate their own body heat I think

Analogy: despair:hope::permanenace______________ Answer Chocies... transience acquisition chauvinism infinity

87. ## ela

i wrote more so can you proof read this too. please and thanyou There was one of the top news correspondents, Eddie Nowlan who will work with Ted Jackson. He doesn't know about Alex is coming so he didn't look like pleased to Alex. Alex was mad on hid dad

Would you use a benchmark of 1,000 to estimate the number of shoes in your classroom? Explain. Thank you Ms. Sue for your explanation. It was very helpful. Do you know what benchmark means in this problem I don't understand.Thank You

89. ## English

Does anyone know of a website that translates english into the shakespearean language? I can only find websites that translate shakespeare to modern english.

90. ## Math

The difference between the ages of two friends is 2 years. The sum of their ages is 74 years. Find the age of the older friend.

91. ## English

Type the prepositional phrase. The Grand Canyon is in Arizona. ______

92. ## Physics (Potential & Kinetic energy)

A 2.0 kg rock falls from a height of 25 m to a point 20 m above the ground. a) how much potential energy does it lose? b) How much kinetic energy does it gain? Thanks.

how i get an unssen workssheets for 10th greade?

94. ## Communications

Can you give me a better defintion of conversation ethics and civility in interpersonal communication?

95. ## calculus

I don't understand how to do this? I don't know the steps on how to do it! Can you please just tell me the steps? Find the intervals on which the function is increasing and decreasing. g(x) = x√((8-x)^2) (also, what is the difference between local

97. ## science

How would deposits in the walls of arteries affect the flow of blood moving through the body? Thanks for the help. I reallly am lost!!! 1234

Mr. Digit wanted to assign a number to each student in his class. He could only use the digits 2,3 and 6 and each student's number had to have three digits. Can he find enough numbers for all 25 students if repeated digits are allowed? Will there be any

99. ## Physics

A person can row a boat at a rate of 25 m/s in still water. The person heads the boat directly across a stream that flows at a rate of 9 m/s. Find the resultant velocity of the boat.

100. ## Biology

How does a cell membrane help regulate internal conditions and maintain homeostasis?

101. ## ENGLISH-POETRY

NEED HELP WITH WRITING A 10 LINE IAMBIC POEM ABOUT WEATHER AND A 10 LINE TROCHIAC POEM ABOUT A PET

102. ## English

A word used to show the relationship between its object and some other word in the sentence is called a(n)_____ .

103. ## math

Mr. digit wanted to assign a number to each student in his class. He could only use the digits 2, 3, and 6 and each student's number had to have three digits. Can he find enough numbers for all 25 students if repeated numbers are allowed? Will there be any

104. ## chemistry

for my last 2 questions, I cannot figure out how to set it up. what numbers do I use?

105. ## Trigonometry

I can't remember what formula to use for these. Note- the X's may be replaced by a theta symbol. I just didn't have one on my keyboard. Use the given information to find sin2X, cos2X and tan2X if 0< X

106. ## chemistry

so here i am doing my hw worksheet on the ideal gas law/ghram's law ad i have gotten to this one problem where i am totally stuck and confused. Please help me by telling me how to set this up and giving me tips, if necessary. What is the mass(in grams) of

107. ## Math

Your mom is a sporting person, so when it's close to your bedtime, she will have a contest with you to see if you get to stay up and extra half-hour to play a computer game. You get to draw a card from a well-shuffled deck. If you draw a face card, an ace,

108. ## Bible Work

The heathen are without excuse because? A. Nature Reveals God B. Men Rejected God when they knew him C. Men prefer sin to God D. all of these I think it is D

109. ## chemistry

I'm stumped again :( the question is - A gas sprayed from an aerosol can effuses 5.06 times slower than oxygen.If the molar mass of oxygen is 32.g/mol, what is the molar mass of the unknown gas? I don't know if I am doing the ideal gas law or grahams law

110. ## spanish

What does Porque siempre me duele la cabeza mean in English?

111. ## math

The graph of an equation in the form y=mx + b is a straight line. Can the equation of every straight line be written in the form y=mx + b (Hint: What is the equation of a vertical line?)

112. ## chemistry

so here i am doing my hw worksheet on the ideal gas law/ghram's law ad i have gotten to this one problem where i am totally stuck and confused. Please help me by telling me how to set this up and giving me tips, if necessary. What is the mass(in grams) of

113. ## chemistry

So here I am doing my HW worksheet on the ideal gas law/graham's law ad I have gotten to this one problem where I am totally stuck and confused. Please help me by telling me how to set this up and giving me tips, if necessary. What is the mass (in grams)

114. ## Calculus

*Note I reposted this question as I changed the subject** The Region "R" under the graph of y = x^3 from x=0 to x=2 is rotated about the y-axis to form a solid. a. Find the area of R. b. Find the volume of the solid using vertical slices. c. Find the first

115. ## Algebra

Find the sum of the first four terms of the geometric sequence with a = -3 and r = 3. I have NO idea how to attempt to solve this. I do not want an answer just instuctions. Thanks

116. ## mym

what are the factors that affect the rate of enzyme-catalyzed reactions in different liver parts ? For example, why does the reaction occur faster in lamb liver than chicken liver ?

117. ## math

which of following represent 24/30 in lowest term A)12/15 B)8/10 c)4/5 d)2/15

118. ## physics

A charge of 2.4 nC and a charge of 5.0 nC are separated by 33.30 cm. Find the equilibrium position for a -4.1 nC charge.

119. ## chemistry

I am now stumped on another problem. How many times greater is the rate of diffusion of helium gas,HE, than that of carbon dioxide gas CO{tiny 2 at bottom}, at the same temperature and pressure? please tell me how to set this problem up and tips on how to

120. ## phys.

suppose your local electric company charges \$0.0650/kWxh for the first 200.0 kWxh, and then drastically raises the price for every kilowatt-hour more. What is the maximum you family would pay if they wanted to pay only the cheaper rate?

121. ## AP Chemistry

Rank these compounds in order of increasing hyroxide ion concentration: weak base, weak acid, strong base, strong acid.

122. ## chemestry

how do you solve the ideal gas law when you are given the temperature in celcius instead of kelvin. Heres an example question. Calculate the volume occupied by 3.25 moles of carbon dioxide at 25degrees celcius and 750mm Hg.

123. ## social studies

explain briefly factors which lead to enclosures in england

124. ## ela

SO CAN YOU CORRECT FOR AS MY ELA TEACHER please Seventeen year old boy, Alex is the main character of novel. Alex comes from school and find out his father in study. He saw his father talking on phone. His father Ted Jackson,is a cameraman of Canadian

125. ## which of the folling values repesents an index of

which of the folling values represents an index of refraction of an actual material

i have a test soon, and i don't know where my textbook is, can you tell me everything i need to know about organic compounds?

127. ## computers

What security issues must be taken into consideration with regard to an organization’s hardware?

128. ## english it is verry important

can you proof read and i made little changes and aad some more A seventeen year old boy, Alex is the main character of the novel. Alex comes from school and find out his father in study. He saw his father talking on the phone. His father Ted Jackson,is a

129. ## Physics

Four point charges of 89.67, 16.46, 12.1, and 19.76 microcoulombs are located at the corners of a rectangle of length 42 cm and width of 638 cm, as shown. A sodium ion is placed at the point halfway between 16.46 and 12.1, and then released from rest. What

130. ## world history

What were so popular about the Aztecs?

131. ## social studies

How did the bombing of Hiroshima and Nagasaki affect American involvement in the war and how did it affect the outcome of the war?? Also, what are the who, who, when, and why of the bombing of Hiroshima and Nagasaki??

132. ## super quick easy question

does anyone know of a website translating english to shakespearean language? or to elizabethan language?

133. ## Geography

overurbanization what one is it? A)resources are being used up at a faster rate than they can be replaced B)the increase in the population of a city C)more people live in an area than the area can provide services for D)an area's ability to meet its needs

134. ## Geography

sustainable development, unsustainable development, urban form, urbanization, overurbanization 1) resources are being used up at a faster rate than they can be replaced 2) the increase in the population of a city 3)more people live in an area than the area

135. ## chemistry

I did a lab on pressure and depth today. This lab was to simply submerge a plastic tube into a large graduated cynlinder to find the relationship between the two. I found that as the depth increases, so does the pressure. One of the questions I'm stuck on

136. ## ela

this is last thing to proof read My dad said if my son take decision he always do it. He get up at seven every morning,shower and dress and eat he bike along Chang An. he has routine know. Then he rode by forbidden city that looks like ghost town and he

137. ## computer

what are types of information systems

138. ## Algebra

How many elements are in the Cartesian product D x E?

139. ## Algebra

Given the following function rules and domains, find the associated ranges. (a) f(x) = 2x +3, Domain = {0, 1, 2} (b) f(x) = 0, Domain = {0, 1, 2} (c) f(x) = 2x + x2, Domain = {1, 0, 2}

what is a narrative mean in CASI work and can i have a example of a non fiction story

141. ## world geography

How have cultural differences in Europe caused conflict?

142. ## Spelling

What the heck is the V/CV pattern and VC/V pattern?!?!?. Please tell me!!!! -Thanks, Danielle

143. ## French-Notes

The unit which I'm on right now focuses on different types of clothing found in diiferent types of stores. I'm having difficulties on some parts of this unit and would like clarification. Notes would be helpful. My chapter's title is On fait les magasins.

144. ## economics

the calculation of GDP would include?

145. ## English

Write a five paragraph papper on the importance of literary elements on literatuer. Use examples.

146. ## geometry

Describe the different types of planes of symmetry and axes of symmetry of a regular octahedron. b. How many planes and axes of symmetry does a regular octahedron have? c. Make a sketch and compare the symmetry properties of a regular octahedron and a

147. ## Math

For inequality number lines would a less than or = to sign mean that that it would be a closed dot or open dot?

148. ## stratagies for success

how can i describe an organization that may contribute to my professional knowledge?

149. ## Algebra

List all the subsets of {m, a, t, h}.

150. ## Math

"during the opening sequences of " the day the earth stood still " the alein craft orbits the earth at 6437.376 kph. If the spaceship is flying 1.25km above the surface area of the earth , a) find the distances travelled to make a single orbit of the earth

151. ## college

LIST AND DESCRIBE THGE FOUR STEPS NECESSSARY TO ESTABLISH THE PROPER ICD-9-CM CODE

152. ## COM140

Just an FYI- I am a COM140 instructor-- if you are using this site to copy answers, consider yourself warned.

153. ## math

How would you solve this proportion 4/15=x/5

154. ## Social Studies

On a worksheet I have to do, I need a few details about how the Royal Road (in ancient Persia) helped unite the Persian Empire. I have a few things, but I need some more. Answers?

155. ## chemistry

for my last 2 questions, I cannot figure out how to set it up. what numbers do I use?

156. ## Trig

4sin^2x-1=0 Are the angles 30, 120, and 210 and 300?

157. ## precal/math

use calculator to approximate sec 10 degrees. round to 2 decimal places.

158. ## ap environmental sci

create a plan that could be used by government to promote development in developing countries. i don't know what to write bout im stuck can someone give me suggestions

Four point charges of 89.67, 16.46, 12.1, and 19.76 microcoulombs are located at the corners of a rectangle of length 42 cm and width of 638 cm, as shown. A sodium ion is placed at the point halfway between 16.46 and 12.1, and then released from rest. What

160. ## Math- gr.12 Trig.

Hi, could someone explain to me how to use a counterexample in trig to prove whether something is either an identity or equation? For ex. how would you do that with this question? sec^2x-tan^2x= cos x

161. ## English

A word used to show the relationship between its object and some other word in the sentence is called a(n)_____ .

162. ## algebra

Two numbers differ by 6 and have a product of -9.

163. ## First Moment

The Region "R" under the graph of y = x^3 from x=0 to x=2 is rotated about the y-axis to form a solid. a. Find the area of R. b. Find the volume of the solid using vertical slices. c. Find the first moment of area of R with respect to the y-axis. What do

164. ## math

A study of Hub Furniture regarding the payment of invoices reveals the time from billing until payment is received follows the normal distribution. The mean time until payment is received is 20 days and the standard deviation is 5 days. a. What percent of

165. ## Accounting

what does delay payment of liabilities mean? and what is a good example of this?

166. ## English

1) Oliver Twist tells the adventures of a poor young boy, born of an unknown unmarried woman who died delivering him to the world.His name is symbolic (?) of the reversal of fortune (?) he experienced. 2) He was brought up in a workhouse. Workhouse were

167. ## english

define persuasive techniques?

168. ## math

2 2/5*9/17 write simplest form A)4 8/15 b)85/108 c)15/68 d)1 23/85

169. ## english

Hawthorne uses a range of symbols in THE SCARLET LETTER. Develop a chart in which you list all the symbols Hawthorne uses, the literal meaning of the symbol, the symbolic meaning of the symbol, and a specific example from the novel of each of the symbols

170. ## ctr250

what is nonprejudicial?

171. ## Algebra

Is this relationship linear? Tell how you decided. Write the equation for each linear relationship. X 1, 2, 5, 8, 10, 11 Y 1.5, 2.5, 5.5, 8.5, 10.5, 11.5

172. ## com/150

which is a vague pronoun and why? this increasing pollution is a big problem or this is a big problem

173. ## english

can proof read and i made some changes that writeteacher told me A seventeen year old boy, Alex is the main character of the novel. Alex comes from school and find out his father in study. He saw his father talking on the phone. His father Ted Jackson,is a

174. ## geography

THE importance of studying geography and culture?

175. ## Trig

4sin^2x-1=0 Are the angles 30, 120, and 210 and 300?

176. ## Math-gr12

How would I solve this equation for x in the interval 0

177. ## math

The revenue and cost functions for the housing developer are: C(n) = 8 + 0.065n R(n) = 1.6 √n Suppose that the developer found a way to reduce her variable cost to \$58 000 per house. How would this affect: i) the minimum and maximum number of houses she

178. ## chemistry

If you are given a mass of sodium lactate, NaCH3CHOHCO2 which is added to ---ml of a ---M solution of lactic aid, can you please just give me the equation

179. ## accounting

is there any accounting helpers on this site.

180. ## english

can u edit this and add a little more plz like 2-3 lines plz in easy words, it is from the book we are all welcome here by elizabeth berg: Historically the work is significant because it gives us an insight of the horrors of the civil war, which asserted

181. ## algebra

the length of a rectangle, given that its width is w feet and its length is 3 feet shorter than twice the length.

182. ## maeh

228 people have registered for a sightseeing tour of the Grand Canyon . If a tour director can take 35 people on each tour, how many tour directors will be needed to accomodate everyone?

183. ## ela

how to check on microsoft world how many word i wrote in essays or paraghraphs

184. ## spelling

rope:string::string:?

185. ## math

4/10_7/10 a)< B)> C)=

186. ## math

1/9_2/3 A)< b)> c)=

187. ## Algebra

Let C = {p, l, u, s}. How many proper subsets does C have?

188. ## Biology

Explain the process of diffusion and why it is energetically favorable.

189. ## Algebra

Let U = {u, n, i, t, e} A = {n, i, t} B = {n, e} C = {u, n, i, t, e} D = {u, e} Find each of the following: (a) A ¡ä B (b) C ¡å D (c) ¡D¡ (d) ¡A ¡å D¡ (e) B ¡ä ¡C¡ (f) (B ¡ä C) ¡ä D NOTE: ¡å denotes ¡§union¡¨ , ¡ä denotes

190. ## science

a polymer of sugar molecules is called

191. ## social studies

how is congress divided? what is the number of representatives based on?

192. ## math

If cosx=sqrt{3}/2 and −pi/2

At the end of the Cambrian Period, fossil evidence indicated that: A.) a great adaptive radiation of amphibians occured B.) amphibian species reached their greatest number C.) most amphibian species became extinct d.) amphibians first appeared

194. ## algebra

I can't figure this problem out. I need to solve for x. 5/6x+1/2=2/3

195. ## Physics

A 2000 kg truck is raised 15 m in an elevator. What is the increase in its potential energy?

196. ## human resources

differentiating conservation and preservation.

Adet Limited is a UK company specialised in commercial corporate dressing (trendy uniforms) For employees in sales, presentation, reception, fairs etc. They have 50 employees and are Operating 100% in the domestic market. The company designs the clothes

198. ## ela

proof read for me He went to eat toast and then he went to buy cards. One of them he was posting card to his mom. He asked his dad to go alone but his dad was little worried about his because he does not know the language. Lao Xu gave me a piece of paper

199. ## maths

If MN be 4 units and Mp be 4.5 units then what is the length of RS and ST ?

200. ## bmcc

Without our two great political parties cutting across economic and geographic interests, democracy as we know it could never have been made to function." The author of this statement probably meant to suggest that?

201. ## Algebra 1

Solve the inequality. |x|

202. ## Math

5s7t-7+9s+4t-6 9X-5Y-9X-6Y+10 5X2-3Y+8X2-6X+4Y i DON'T UNDERSTAND

2/5 of 40 What is the formula to find this????

204. ## research project

What would be a good website for researching anxiety disorder....?

The revenue and cost functions for the housing developer are: C(n) = 8 + 0.065n R(n) = 1.6 √n Suppose that the developer found a way to reduce her variable cost to \$58 000 per house. How would this affect: i) the minimum and maximum number of houses she

206. ## Algebra

x= 5/9(y-32) solve for y and simplify

207. ## ela

you didn't show me where i made mistakes

208. ## Math

If the digits 1 through 9 are written in order, it is possible to place plus and minus signs between the numbers or to use no operation symbol at all to obtain a total of 100. For example,1 + 2 + 3 + -4 + 5 + 6 + 78 + 9 = 100 Can you obtain a total of 100

209. ## chemistry

so all i do is add 273.15 to the temperature in celsius( sorry about the typo. i no i spelled chemistry wrong too)and then multiply/divide everything?

210. ## ela

can you proof read for me He went back to room and he saw his father didn't woke up. He wrote this stuff and went to sleep again. Eddie gave them a Chinese banquet at the hotel to them in China. They ate Chinese food. After eating Alex went to room and

lets say that price gauging didn't happen,and the merchants sell the goods at the market price but with laws of supply and demand how would that be a good thing, When disasters hit an area, the cost of everything seems to go up immediately?

212. ## Math

Solve the equation for x in the interval 0

3(q+1)-9=23

214. ## algebra

-3/4z-2/3=1/3

215. ## english

what is the historical context of the book "we are all welome hear"Which takes place in 1964 ?

216. ## Algebra

Let U = {u, n, i, t, e} A = {n, i, t} B = {n, e} C = {u, n, i, t, e} D = {u, e} Find each of the following: (a) A ¡ä B (b) C ¡å D (c) ¡D¡ (d) ¡A ¡å D¡ (e) B ¡ä ¡C¡ (f) (B ¡ä C) ¡ä D

217. ## algebra

2,200 after 3 years if the account pays 8.4% i have no clue what this is

If i want to compare the length of a shadow cast by a basketball goalpost 10ft with 2ft backboard shadow 69 inches to the shadow of the goalpost measured with a yardstick the shadow is 18inches and i get 3ft 6in for the goalpost & backboard can I say that

219. ## English

Can you check the following sentences: 1)Though the family finances were put partly to rights (can you tell me a synonym?), his mother insisted on his working at the factory(or that he should continue working at the factory?) 2)His father rescued him from

220. ## algebra

what is the key sequence you would use on your calculator to solve 4x - 17 = 83

221. ## english

define persuasive techniques?

222. ## math

There are 6 different shapes in a bag. Each student will draw one shape, trace it, then return it to the bag. How many outcomes are possible? Are all of the outcomes equally likely?

223. ## maTH

x(x - 1)(x + 1). Would you FOIL the parenthesis first or multiply the x by (x-1) first?

224. ## science

if a boy is carrying a mass of 2-kg on and covers a distance of 2m in the direction of the force?

225. ## English

A(n) is a phrase containing a preposition, its object, and any modifiers of that object______.

226. ## english

what is the meaning of cohesive ?

227. ## English

I need a transcendentalist quote of my choosing?

228. ## math

what is the number sentence that shows the same product as the product of 9 and 2.

what is the perimeter of the 6 by 6cm square joined to an 8 by 8cm square

230. ## Math

How do 10, 16, 4, and 9 = 24

231. ## Quick Math trig question

Would sin^2x / cos^2x equal tan^2x?

232. ## english

how is the way lady macbeth behaves in private to the way she behaves in public?