# Questions Asked onMay 16, 2010

1. ## business math

a computer store sold 300 items -store sold 6 times asa many hard drives as theyn did cd-rom drives and half as many floppy dtives as hard drives how many of each item

2. ## Algebra

55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property of Addition d.

3. ## SCIENCE?CHEMISTRY***

Am using the inventory method at moment but am stuck on how fill i the inventory for __Agl+__Fe2(CO3)3--> __Fel3+__Ag2CO3 I think the brackets are throwing me Hows this element b4 after ------------------------------------ Ag 1 2 l 1 3 Fe 6 1 CO 3 3 I

4. ## statistics

assume the body temperature of healthy adults distributed with a mean of 98.20F and a standard deviation of 0.62F. If you have a body temperature of 99.00F, what is your percentile score?

5. ## Enthalpy of Formation

N2H4(g) + H2(g)--> 2 NH3(g) H1 = –1876kJ 3 H2(g) + N2(g)--> 2 NH3(g) H2 = –922 kJ The H.f for the formation of hydrazine: 2 H2(g) + N2(g)--> N2H4(g) will be______kj/mol I am very confused here. I thought I would just add H1 and H2 and divide by the

6. ## SCIENCE?CHEMISTRY***

Dr Bob each time i do a problem on this site I have to print out answer....is there any way you know how to save it to usb stick???? I cant for the life of me find a save feature... also how do YOU when you give us a link to a site ...make it appear in

7. ## hsm230

Assignment: HSM Law Profile Paper · Due Date: Day 7 [Individual] forum · Select a current or proposed law that impacts the delivery of human services. · Write a 1,050- to 1,400-word paper in APA format that answers the following questions: o What

8. ## Exterior angle what am I doing wrong?

Find the measure of the indicated exterior angle. Exterior angle is: 197-5n Two interior angles are: 5n+21 and n+11 I set it up as: 197-5n=5n+21+n+11 197-5n=6n+32 165=11n but this does not make sense.

9. ## ethics

Explain the Edwin Meese synddrome, giving examples from the fields of probation and parole

10. ## ethics

Explain the hierarchical rule of identities. How could such a hierarchy influence the decisions of a cia agent stationed in a foreign country?

11. ## ethics

given the fact that there is no national religion in the US, what application do the ethics of religious testaments have on the average American criminal justice practitioner?

12. ## ethics

explain the ethics of public service. why must all criminal justice professionals adhere to such a set of ethics.

13. ## 11th grade English

Write your own journal entry from the perspective of a member of Bradford's colony. What do you think of these unruly pirates? What shocks you the most about these surly characters? How do the manners of the pirates differ from yours?

14. ## intermediate algebra

3/10=5/x 3x=15 x=5 could some check this for me rational expression

15. ## math

hi if i wanna find the Maclaurin series from another existing series by integrating that series , do i need to include the constant of integration ?? Thanks

16. ## Math

3/2y-3/2y+4 = rational expression reduce to lcd

17. ## algebra

3/2y-3/2y+4= 3(y)-2(y+4)= 3y-2y+8= y=1/8 check this

asked by Angelia E.
18. ## chem-redox

write down Oxidation equation, Reduction equation and Overall equation theres 3 equations *H2O2 + H2SO4 + KMnO4 *H2O2 + KMnO4 *and *Ethanol + H2O2 + K2Cr2O7

19. ## religion

what role does religion play in society in North Korea?

20. ## social studies

name 2 homes where some of the most famous authors of Florida have lived and visit at least 2 places they have described in their books.

21. ## microeconomics

Help!! There are two firms who collude and behave like one firm but with two plants. MC1=10, MC2=30. Market demand Q=200-P. Two plants maximize profits. What is total profit nad production, price in each plant?

22. ## hum/205

week9 Romans, Islamic, and Indian civilization. wHAT is the purpose of the piece, who's responsible for paying for the piece,how the piece was made, description of the meaning of the piece, description of the transhistorical links to the piece.

23. ## 4th grade

Is it grammatically correct to begin a sentence with "what" if it is not a question or exclamation? For example: What a tree looks like.

24. ## Physics

University students, studying the activity of a particular radioactive isotope which had a half-life of 12.0 hours. If the original activity of the sample was 448 kBq, what would the activity be 3.00 days later?

25. ## Algebra

Could someone tell me the solution for x^2 - 3x = 0, i know x = 3 but I just need to know how to get there please

26. ## psychology

wite a 7 page research paper in apa format on post traumatic stress disorder in combat personnel

27. ## algebra 2

I am taking an online class, and cant understand why when I calculate ona ti84 plus an answer I get decimal answer and my teachers answer is sq root, is there something I am not doing on my calculator? How do I convert. Example, teachers answer to the

28. ## math-PLEASE CHECK AND HELP

find the surface area and volume of the right circular cylinder. The radius is 3 and height 6. This is what I put for volume: v=pir^2h pi(3cm)^2 6 cm= 54pi cm cubed can you please check this and show work on how to do the surface area? Thanks.

29. ## math-PLEASE CHECK

using the pythagorean theorum you have a right circular cone with a radius of 3 and height of 6 is this how you would figure this out c^2=3^2+6^2 c^2=9+36 c^2=45 c=6.7

30. ## Chemistry

What is the formula for calcium oxalate dihydrate when 100 degree Celsius heat is added?

31. ## math

1.The base of a triangle is 5cm greater than the height. The area is 33cm(2). Find the height and the length of the base? Height? Base? 2. Factor X(2)-7x 3.Factor 5a(6)-1080a(3) 4. Find the GCF 5x(9),5x,-20= For this one I think the gcf is 5 Is this

32. ## chemistry

How many significant figures are in each of the following a.234 b. 2500 c.0.0034. d. 12.00 e. 0.01010

33. ## math

how do you form the probability tree for this?? The commonly used test to assess Down's syndrome risk in the unborn foetus is the 'triple test', which combines maternal age with other markers of foetal and maternal health from a single blood test. The test

34. ## chemistry

What is 24388 in scientific notation? And. Give the answer to the following calculations in the proper number of significant figures? a. 25,30cm x 0.035cm.

35. ## Math

What Is The Least Common Multiples Of 250 And 30?

36. ## chemistry

Assume the solution's final volume is 200.0 mL, the density is 1.00 g/mL, and the heat capacity is 4.184 J/gC. Note: Pay attention to significant figures. Do not round until the final answer.) The molar heat of reaction,delta H rxn , for the reaction of

37. ## IGCSE

Is it possible to take igcse examinations in America?

38. ## Math

How to obtain formula if:- Brazil's total internet users is 67510 and world's total internet users is 1544854. what is brazil's internet users as percentage of world user.

39. ## accounting

What would be the fee for a buyer to purchase 2 discount points on a home with a sale price of \$275,000?

40. ## trig

verify: cos(x)+sin(x)tan(x)=sec(x)

41. ## accounting

Canine Company produces and sells dog treats for discriminating pet owners. The unit selling price is \$10, unit variable costs are \$7, and total fixed costs are \$3,300. What are breakeven sales? (Points :1) \$11,000 \$4,714 \$3,300 \$7,700

42. ## accounting

Fixed Company produces a single product selling for \$30 per unit. Variable costs are \$12 per unit and total fixed costs are \$4,000. What is the contribution margin ratio? (Points :1) 1.67 2.50 0.40 0.60

43. ## Science

What factors may be affecting the amounts of materials that are being recycled in 0ntario?

44. ## math

The vectors u, v are given by u = 3i + 5j, v = i - 2j. Find scalars a, b such that a(u + v) = 8i + (b - 2)j

45. ## Trig

8 csc theta - 2=10 + 2 csc theta I can't do it. :S

46. ## Calculus

A pyramid with height 2h and rectangular base with dimensions 3b and 6b. Find the volume V of this solid.

47. ## math

The vectors u, v are given by u = 3i + 5j, v = i - 2j. Find scalars a, b such that a(u + v) = 8i + (b - 2)j

48. ## Statistics

The daily sales at a convenience store have a mean of \$1350 and a standard deviation of \$150. Assuming n/N is less than or equal to .05, that standard deviation of the sampling distribution of the mean sales of a sample of 25 days for this convenience

49. ## Math

Solve. x-6/x-9=3/x-9. I came up with a answer of -2/3 but I don't think that is the right answer. Could someone please help? Thanks.

50. ## Economics

The U.S. cigarette industry has negotiated with Congress and government agencies to settle liability claims against it. Under the proposed settlement, cigarette companies will make fixed annual payments to the government based on their historic market

51. ## Physics

An industrial worker accidentally inhaled a radioisotope with an activity of 0.200 kBq. The substance swallowed has a very long effective half-life and therefore the activity will not change significantly during the workerâ€™s lifetime. Every decay of

52. ## math

The height, in feet, of a free-falling object t seconds after being dropped from an initial height s can be found using the function h = -16t2 + s. An object is dropped from a helicopter 784 feet above the ground. How long will it take the object to land

53. ## Economics

A New Hampshire resort offers year-round activities: in winter, skiing and other cold-weather activities; and in summer, golf, tennis, and hiking. The resorts operating costs are essentially the same in winter and summer. Management charges higher nightly

54. ## physics

please,i need help on this question:a thin circular ring of radius 20cm is charged with a uniform charge density(rho),if a small section of 1cm length is removed from the ring.calculate the electric field intensity at the center of the ring

55. ## Grammar and Composition (IN REPLY TO MS.SUE)

(I need one of the tutors from Jiskha to read my essay and fill out the revision sheet. I'm supposed to get an adult to do it, but since my parents are unable to do so, my teacher gave me permission to have an online tutor fill it out) CAN SOMEONE PLEASE

56. ## Accounting2

Were to switch inventory method under GAAP? Why or Why Not? If they are how to go about doing it?

57. ## Math

Can someone please check my work for me? Write an equation of the line satisfying the given conditions. 9) Intersects the line y = 2 + 3x at infinitely many places. 9) A) y = -3x + 2 B) y = 2x + 3 C) y = -1/3x + 2 D) y = 2 + 3x Is the answer A Use the

58. ## Algebra

55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property of Addition d.

59. ## spanish

identify la isla del encanto, el coqui, un estado libre asociado, San Juan

60. ## engineering

If film contain 4.4GB of data how long would it take to download by 2Mbps connection. give your answer in seconds and in scientific notation accurate to 2 decimal place?

61. ## mathematics

find the equatn of a circle with (a).centre (1,2) and radius 3.(b) centre (1,-3) and radius 2

62. ## Drama

4. What does the speech in question 3 mean?

63. ## Drug Abuse

My 8th grader is doing some research for a 4-H project and needs to know how drugs affect the family and friends of a drug addict?

64. ## writing

i am inthe 4th grade and need to write a composition. Can someone out there tell me what it is and give me an example.

65. ## Algebra

How would u solve/simplify d+12=d^2 I also need help on -4z^2+z+5=0

66. ## algebra

Write an equation for an ellipse if the endpoints of the major axis are at (1,6) and (1,-6) and the endpoints of the minor axis are at (5,0) and (-3,0).

67. ## math

r=7.5 what is the diameter circumference, and area

68. ## Math

Multiply and simplify. 9y^6/10t^4*100t^8/81y. I crossed multiplied and got 900y^6t^8/810t^4y. I am not sure what to do next. Could someone help? Thanks.

69. ## 9th grade

in visual basic, a routine that puts a series of strings or numbers in order is called a?

70. ## math

Translate the problem into two linear equations by identifying keywords that represent a mathematical operation or symbol.

asked by Ashly Morgan
71. ## visual basic

in visual basic, notes in a program which explain what the program is doing are called?

72. ## Algebra

Solve: -9x less than or equal to -3.6

73. ## Math

Find the LCM of 11(s-3) and 33(s-3). LCM of 11 is 11*1 LCM of 33 is 3*11 LCM is 11*3*1=33 What do I do from here? I put down 33(s-3) was the answer but I don't think that is right. Thanks for your help.

74. ## Math

a) The sales representative informs you that there are two floor plans still available, and that there are a total of 63 houses available. The sales representative later indicates that there are six times as many homes available with the second floor plan

asked by Ashly Morgan
75. ## Chemistry!!

Could anyone name the enthalpy change by name AND if it is exothermic or endothermic (why it is endo or exo) 1 mol C(3)H(8)(l) to 1 mol C(3)H(8)(g)

76. ## algebra

A ball falls from the top of a roof 320 feet above the ground. The formula h = -16t2 + 16t + 320 described the height of the ball above the ground, h, in feet, t seconds after the fall begins. How long will it take the ball to strike the ground?

77. ## visual basic

complete the program. Dim strAge as String Dim intAge as ...... StrAge=InputBox("How old are you?", "Age ask") If(strAge="") Then ............ 'Terminates the application End If IntAge=Val(strAge) Do.........((IntAge99)) MsgBox "Age is between 1 and 99",

78. ## Chemistry

Need help with : Balancing oxidation reduction reactions Mg(s) + HCl(aq) → Mg^2+(aq) + Cl ‾(aq) + H2(g)

79. ## visual basic

in visual basic, a routine that puts a series of strings or numbers in order are called?

80. ## Chemistry

Just a few questions about rates of reaction. A) Why are the units for average and instantaneous rates the same? -because they are both measures of how quickly a reaction is occuring per unit time B) For a given set of data, two students determined

81. ## SCI 275

I am supposed to respond to the following statement: Nonrenewable energy resources include coal, oil, and natural gas. I am really unsure how to repond to it. All of these sources are infact nonrenewable. PLEASE someone help me. Thank you

For a continuous random variable x, the population mean and the population standard deviation are 80 and 15 respectively. You extract a sample of 25 elements from this population. The mean of the sampling distribution of the sample mean is

83. ## Math

How do I solve this simultaneous equation 3x-2y=5 (1) 2y-5x=9 (2) I managed to find the value of x and that is -7 but I am having problems to substitute it's value in equation (1)

84. ## Criminal Justice

Does anyone know how to writ a juvenile probation plan?

85. ## Math

The daily sales at a convenience store have a mean of \$1350 and a standard deviation of \$150. Assuming n/N is less than or equal to .05, that standard deviation of the sampling distribution of the mean sales of a sample of 25 days for this convenience

86. ## Science

if you had paper clips, rubber bands, wood chip, straight pins, strips of aluminum foil, and glass beads. using a property of matter classify thesse objects in a table

87. ## Geometry

Figure ABCD is a trapezoid with DC = (1/3) AB. What is the ratio of area ABCD to area DCE? Provide an argument to support your answer. Could it be 1:3 ? Can you please explain?

88. ## algebra

2.3n-8=1.2n+3

89. ## body organs

the bodys ongoing process of regulating the internal enviroment electrolyte balance blood chenistry temperature and so on is called

90. ## Finance

Lear, Inc. has \$800,000 is current assets, \$300,000 of which are considered permanent current assets. In addition, the firm has \$600,000 in fixed assets. A. Lear wishes to finance all fixed assets and half of its permanent current assets with long-term

91. ## Algebra1 9th grade

(6x3 â€“ 12x + 10) Ã· (3x â€“ 3)

92. ## Algebra 9th grade

(6x^3 â€“ 12x + 10) Ã· (3x â€“ 3)

93. ## chemistry

What amount of energy will it take to raise a 45 g piece of Al by a temperature of 27 degrees C to 35 degrees C

asked by Luis Garcia
94. ## science

how do ear defenders use the big idea of energy transfer

95. ## English II

What would you call new talk today? 1.slang 2.dialect 3.improper pronunciation 4.grammar which four would you select?

96. ## "Y912f", please givethis note to your pare

"Y912f", please give the follow note to your parents. Dear Parents of Y912f, Your daughter has been receiving help from Jiskha for quite some time. Our task on this site is to "help" students learn, not do their work for them. It has become obvious that

Is the rate equivalent to the rate ? Justify your answer.

98. ## US history

what were the effects of the nightly tv coverage of the vietnamese?

99. ## math

how many ways can 9 cars be parked in a row of 9 parking spaces?

100. ## health

How to over come barriers of intimacy

101. ## FRENCH

HOW WOULD U SAY "TRAVEL SECTION" AS IN A NEWSPAPER SECTION. IM MAKING A NEWS ARTICLE AND I NEED A TRAVEL SECTION MERCI :)

102. ## Chemistry

2HI(g)--> H2(g) + I2(g) The rate law for the decomposition of HI is r=k[HI]^2. The rate of the rxn was found experimentally to b 2.5 x 10^4 mol/L x s where the HI concentration was 0.0558 M. Are these values ready to plug in to the equation, or because

103. ## social studies

describe the main events of the American Revolution

104. ## technolgy and society

one skill that's generally expected of technology workers is

105. ## Chemistry

Hi I need help with another balancing oxidation-reduction reaction: Cu(s) + Ag^1+(aq) → Cu^2+(aq) + Ag(s) My work: Cu (s) --> Cu^2+ (aq) + 2e- 2 [1e +Ag^1+ (aq) --> Ag(s)] Cu(s) + 2 Ag(aq) --> Cu (aq) + 2 Ag (s) Is this right? And I need help with this

106. ## Math

What is the relationship of the two lines with the equations -3y=x-6 and y=3x+1? I am very confused. Please explain how you got your answer!

6/7 + 1/4x

108. ## english

is there anything wrong with this sentence: they value free-thinking behavior, expressing oneself freely and individualism where one should act according to themselves

109. ## english

from an impulsive to a mannered girl. or from an impulsive girl to a mannered girl

110. ## chemistry

how can you determine molecular polarity based on molecular shape?

111. ## Math: Help: probability

Which answer, if any, is correct to: Two cards are drawn without replacement from an ordinary deck of 52 playing cards. What are the odds against drawing a club and a diamond? My options are 13:204; 204:13, 13;191; or 191:13 I had two different people help

112. ## Help in math probability

I have a total of three different answers that I got and had help with and nothing definitive. One way that I figured it out I received 4/7. I asked two other people and they gave me two completely different answers. Assume that the weight loss for the

113. ## Math

Find the slope of the line passing through the pair of points. (3, -2)and (4, -2). I got 4/7 -

114. ## english

so i should write it this way: they value free-thinking behavior, expressing themselves freely and individualism where they should act according to themselves

115. ## valedictorian speech topic?

I'm supposed to write an end-of-the-year reflection of my middle school years(valedictorian speech).. help? my teacher choose me to write the speech, almost like a valedictorian speech... its supposed to be describing "my educational experience of 6th,

116. ## IT 210

Generate an object-oriented design for a system that keeps tracks of your CD and DVD collection. · Identify each of the classes, associated data, and operations for the classes. · Generate the pseudocode for each of the classes as demonstrated on p. 251.

117. ## english

her behavior is like a reminiscence of their childhoods. or her behaviors are like reminiscence of their childhoods.(do i need an "s" on reminiscence)

118. ## english

they will not criticize her bad influence since [they themselves are like this also] or [they are like this also]. Do in need the word themselves in between and do i need to make influence as plural

119. ## linear algebra

what is the basis of a subspace or R3 defined by the equation 2x1+3x2+x3=0 I know the basis is vectors and but how do you get that?

120. ## Algebra

Write an equation of the line satisfying the given conditions. Horizontal line through (-2, -5)

121. ## math

The length of the Loch Ness monster is 30 meters plus a third of its own length. How long is the Loch Ness monster?

122. ## Chemistry

How to calculate the quantity of heat gained or lost in the following change: 3.50 mol of water freezes at 0 degrees C? Would it be 6.01kJ/ 3.50 mol ?

123. ## english

As for the teenagers, Ashlie’s behavior is like a reminiscence of their childhoods or Ashlie's behaviors are like reminiscence of their childhoods. What i'm confused is that do i need to make behavior as plural

124. ## english

do we refer to disney as they or it

125. ## english

they put their trust on her or in her

6/7 + 1/4x

127. ## Statisics

3. Indicate whether the given statement could apply to a data set consisting of 1,000 values that are all different. a. The 29th percentile is greater than the 30th percentile. b. The median is greater than the first quartile. c. The third quartile is

128. ## algebra

a+4/2=a+4/a= a^+4a+ a+4a a^=-4-4 a^=8 Check this for me

asked by Angelia E.
129. ## Algebra

State whether the equation represents a linear, quadratic, or exponential function. x^2 + 6 = -8 x

130. ## intermidiate algebra

converting to LCD 3/4b^-9, 2/2b+3, -5/2b^-3b that sign over the "b"represent 2 I have to work this problem so help me.

131. ## health

What are the key anatomical parts of the cardiovascular system and how does it work.

132. ## math

In how many ways can a cashier give change of exactly 60 cents if he has the following coins available? 10 quarters; 10 dimes; 10 nickels

133. ## PSAT /SAT

For the PSAT or SAT is there a vocab list that I can study from?

134. ## what can i compare middle school to?

what can i compare middle school to? (use in metaphor), based on 6th, 7th, and 8th grade. for example playing monopoly 6th grade - buying properties, 7th grade- adjusting to the game, 8th grade - stress over money

135. ## Chemistry

what would the quantity of heat gained or lost be for 1.25 mol NaOH(s) dissolves in water? Could you post the answer and how you got the answer. Thank You

136. ## chemistry

Flask A contains 500 ml of whater at 25 celsius and flask B contains 250 ml of water at 50 celsius. Which flask has a higher heat content?

137. ## programming

for a list of numbers entered by the user and terminated by 0, find the sum of the positive numbers and the negative numbers

138. ## chemistry

Flask A contains 500 ml of whater at 25 celsius and flask B contains 250 ml of water at 50 celsius. Which flask has a higher heat content?

139. ## english

they identify with her or they identify themselves with her

140. ## poem

Do we have to start a limerick poem with There was ........,or I can started with one day I ....... thank you

141. ## vocab

What does diminion mean?

142. ## math

394 cars, 57 trucks, and 23 buses ventured out in the snowstorm. 83 1/3% got stuck in the snow. How many vehicles got stuck?

143. ## math

The average (mean) of a and b is 10. The average of b and 10 is 1/2 of c. What is the average of a and c?

144. ## english

she is a driving force of inspiration to the children and teenagers. Do i need an article in infront of inspiration(a or the)

145. ## math

What is the 144th letter in this pattern? A B B C C C D D D D E E E E E.....

147. ## Math

please solve the 6/7 + 1/4x thank you

148. ## english

for the word manner, when do i use it as plural

149. ## Math/Albebra

Give the equation of the circle with the given center and radius. Center at (0, 0); radius = 5

150. ## algebra

Use the discriminant to determine how many real-number solutions the equation has. s2 - 5s + 6 = 0

151. ## math

A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?

152. ## math

Without graphing, identify the slope and the y-intercept. y = -4x + 5

153. ## english

her failure is their failure also. can i rewrite that to her failure is theirs also

154. ## english

they want to imitate her or imitate as her

155. ## english

is there anything wrong with this sentence: it manipulates her feelings from immaturity to seriousness

156. ## math

A cone just fits inside a cylinder with volume 300cm^3. What is the volume of the cone?

157. ## algebra 2

what is the 35th term of 5+11+17.....?

asked by Sue diaz
158. ## math

what is 1/10 of 10 to the 6th power?

159. ## math

two coins combine in value to make 3% of a \$10 bill. What coins are they?

160. ## Drug Abuse

My 8th grade daughter is doing a poster for her 4-H poster project on Hooked on fishing not on drugs. And her topic is How do drugs effect others? Can you help her with some ways that drugs effects a drug abuser's family and friends?

161. ## math

On a sunny day an office building casts a shadow that is 80 feet long. At the same time, a 5 foot person casts a 6 foot shadow. Determine the height of the office building to the nearest foot.

162. ## math

what is the GCF and LCM of 36 and 84

163. ## Chemistry

I am having trouble with equation writing and complex ions. Please help. Ag+ + NH3(excess)---> ? Fe^3+ + SCN- ---> ? Cr^3+ + OH-(excess) ---> ? Cr(OH)3(s) + H+ ----> ? Cr(OH)4- + H202 + OH- ---> ? Zn2+ + K+ + Fe(CN)6^4- --> ?

164. ## math

i need help to find out 7 1/3 (seven and one third) is in a decimal? please help me.

165. ## social studies

why did slavery (during the civil war) happen? what is the significance or importance of the event?

asked by Happy Face
166. ## math

What is true for motion in a straight line. A. if a vechile has zero velocity , it must be stationary. B.the graph of position against time has to be a straight line. C.acceleration is the rate of change of speed. D.velocity is the rate of change of

asked by JAndu Andu
167. ## math

what is the fraction between 4/9 and 5/9

168. ## Math

Could someone please help me with this math problem. I am lost on trying to solve this math problem. Add. Simplify if possible. s+r/sr^2 + 2s+r/s^2r Thanks.

169. ## math

Nikki cam word process 7 words in 6 seconds. At this rate, how many words can she process in 3 minutes?

170. ## College Math

10 x 10 = 100 + 30 = 130 / 5 = 26 - 15 = 11 What is the quotient i think it is five am i right if not what would it be

171. ## crt205

what is a fallacy

172. ## chemistry

Waht would happen to the solubility of potassium chloride in water as the water temperature increased from 25 degrees celsius to 100 degrees celsius?

173. ## 10th grade

what is the molarity of 5.00 g of Na2CO3 dissolved n 400.0 mL solution?

174. ## math

a sqyuare based pyramid is on top of a cube .both shapes have the same base and the same height. which expression repreents the total volume of this shape? justify your answer

175. ## math

Justin had 44 dollars before spending n dollars on jeans. How much money remains

176. ## statistics

assume that a set of test scores is normally distributed with a mean of 100 and a standard devaiton of 20. Use the 68-95-99.7 rule to find the following quantities: a. percentage of scores greater than 120

177. ## French

how can i describe a pineapple/watermelon (combined as one fruit) in french?

178. ## Social studies

Countries using Constitutional monarchy in the caribbean

179. ## Finance

A company is thinking of investing some surplus cash in 30 years \$1000 face microsoft 6% coupon bonds. It plans to pay \$925 each for 10,000 of them, now and expects to sell them for \$1025 each at the end of 5 years. Make a determination about the economic

180. ## Corporate Finance

A company wants to build a new factory for increased capacity. Using 3 capital budgeting methods, make a determination about the economic viability of the proposal using the following information. Building a new factory will increase capacity 30% Current

181. ## math-PLEASE CHECK

Find the surface area and volume of each of the following figures: d.Right circular cylinder v=pir^2h pi(3)(3)(6) pi(54) v=169.6 cubic cm sa=2pi r^2 + 2pi rh 2pi(3)(3)+2pi(3)(6) 2pi(9)+2pi(18) 56+113=169 Sa=169 square cm is this right???

182. ## chemistry

what volume of methane is needed to completely react with 500 liters of oxygen?

183. ## Biology

Why is there electrical activity in the brain? Describe how it is used by neurons.

184. ## geometry

In a coordinate plane how many points are both 5 units from yhe origin and 2 units from the x-axis

185. ## Geo

-Differentiate between renewable resources and non renewable resouces. - Describe farming as a livelihood -Identify examples(sourcs and type) of ANTHROPOGENIC (human Induced) gases. -Explain in detail the aspect of Global Warming - Explain why it would be

186. ## Pre-Calc

Find f(a) where a is in the domain of f. f(x) = -1/x^2 I got a few steps into it and failed :( The equation she gave me to plug it into is (f(a+h)-f(a))/h

187. ## Africa

What were the problems of colonization in Sierra Leone?

asked by AL 92
188. ## Chemistry

I know that the more polar the bond between the H and A (if HA is an acid) is, the stronger the acid will be. what does it mean for a bond to be polar? is a bond more polar if it is more electronegative? how are bonds polar and how are bonds nonpolar? what

189. ## Algebra

55. Find the range of y = 2x + 1. a. all real numbers b. all positive numbers Not sure.. 67. Name the Property: -2 + (10+1) = (-2 + 10) + 1 a. Commutative Property of Multiplication b. Inverse property of addition c. Commutative Property of Addition d.

190. ## chemistry

this is a wiley plus problem and there is no reading lesson with this section so im not sure how to approach this question: The element iridium has ccp packing with a face-centered cubic unit cell. The density of Ir is 22400 kg/m3. Calculate the volume

191. ## Finance

Delta Software is considering a new project whose data are shown below. The equipment that would be used has a 3-year tax life, after which it will be worthless, and it will be depreciated by the straight line method over 3 years. Revenues and other

192. ## Math

Give the equation of the circle with the given center and radius. Center at (0, 0); radius = 5

193. ## Philisophy

what is the difference between traditional and modern ethical thinking.

194. ## Math

Without graphing, identify the slope and the y intercept. y = -4x + 5

195. ## spanish

I need to translate words in to Spanish from english

196. ## Math

Use the discriminate to determine how many real number solutions the equation has. s^2 - 5s + 6 = 0

197. ## English/Music

What lyrics would you reference to indicate author Simon & Garfinkel's bias in the song the sounds of silence

198. ## chemistry

A 50-mL Mohr buret is connected to a 1-ft length of capillary tubing. The buret is then filled with water and the volume of water versus time is monitored as the water gradually flows through the capillary tubing. This process is found to be first-order

199. ## finance

I am looking at the example spreadsheet. On it are the titles, assets, total assets, liabilities & Equity (3 subs under it) operating revenues, operating expenses, and on the last page it the net income from operations. Where in these sections would I go

asked by Cynthia D.
200. ## algebra

how did the hunter get hurt while bending over to study some tracks

201. ## English

What would be the best contrast between the two different endings in "Great expectations"?

202. ## physics

What is the resistance of a 40 watt light bulb if it is it to full brilliance by a current of .33amps?

203. ## physics

An electric iron has a resistance of ohms. How much heat energy is produced in 10 minutes if the current passing through the device is 10 amps?

204. ## Physics

A "Bus" bar is in the form of a slab of copper 2meters long, 1cm wide, and 10 cm thick. a) What is the resistance of the bar at 0 degrees celcius? b) What potential difference is needed to push 5000 amps through the bar?

205. ## chemistry(check my answer)

The overall rate of a chemical reaction is determined by a)the slowest step in the reaction mechanism. b)the fastest step in the reaction mechanism. c)ΔG for the overall reaction. d)the last step in the reaction mechanism. e)the first step in the reaction

206. ## Calculus

Given vectors u= (3, -4, 1) and v= (2, 1, -5) Find: a) u x v b)|u x v|

207. ## algebra

(12x+1)(x-1)=-3 12x^+1=-3 12x^=-1-3 x=1/3 check this problem

asked by Mary T
208. ## calculus

Given vectors u= (t, 2t, 3) and v=(2t, 5t, -1). For what values of t a) are u and v parallel? b) are u and v perpendicular?

209. ## Vectors

A 50 N force is applied to the end of a 30 cm wrench and makes an angle of 30 degrees with the handle of the wrench. What is the Torque on the bolt at the other end of the wrench? What direction does the Torque act? What is the Maximum and Minimum Torques

210. ## math

Adam has built a garden shed in the shape described. a square based pyramid with the height of 3.5m on top of a cube with base 4m by 4m and height 2m. calculate the volume of the shed, to the nearest cubic metre. thanks.

211. ## Vectors - check calculation

A box is dragged with a force of 115 N up a ramp a distance of 3 m. If the force makes an angle of 35 degrees with the ramp and the ramp makes an angle of 20 degrees with the ground, how much work is done? This is what I have so far: W = F * D * cos Theta

212. ## Algebra

Determine whether the lines are parallel, perpendicular, or neither. y = 9x + 9 and y = -9x + 9

213. ## algebra

x(x-13)=14 x^-13x=14 x=14x Is this right I get so lost with this.

asked by Mary T
214. ## CRT205

Can some help with week 7 assignment due day 7

215. ## algebra

x^+5x-6=0 x^+5x-6=(x+2)(x-3) (x+2)(x-3)=0 x+2=0 or x-3=0 x=-2, or x=-3 check this please let me know if right.

216. ## Biology

How does depth of view affect viewing biological phenomena that are thick?

217. ## Algebra

Give the equation of the circle with the given center and radius. Center at (0, 0); radius = 5

218. ## Algebra

4-9(2x-3)+7(x-1)