# Questions Asked onAugust 22, 2011

1. ## math

use the formula nPr to solve how many arrangements can be made using four of the letters of the word COMBINE if no letter is to be used more than once?

2. ## MATHS

draw a line segment AB=6cm take a point C on AB such that AC= 2.5 cm draw CD perpendicular to AB ?

3. ## math

using the fundamental counting principle with three or more groups of items A pizza can be ordered with three choices of size (small, medium, or large), four choices of crust (thin,thick,crispy, or regular, and six choices of toppings (ground beef,

4. ## Math

Angle 3 and angle 4 form a linear pair. The measure of angle 3 is four more than three times the measure of angle 4. Find the measure of each angle.

5. ## chemistry

why is 1mol of so3 gas higher in entropy than so2 gas

6. ## Arkansas History

What are some interesting facts about Crowley's Ridge?

7. ## Math/Chemistry

the atomic mass of an element is the mass, in grams, of one mole (mol), or 6.02 * 10^23. A.) How many atoms are there in 3.5 mol od carbon? B.) If you know that 3.5 mol of carbon weighs 42 grams, what is the atomic mass? C.)Using you answer from (B), find

8. ## physics

a fish vertically up towards the surface of water with speed 3m/s observes a bird diving vertically down towards it with speed 9m/s.what is the actual velocity of bird?

9. ## Calculus :)

Find the volume of the solid formed by rotating the region enclosed by y=e^(3x)+2, y=0, x=0, x=0.4 about the x-axis.

10. ## algebra

i was wondering if i did this right A cannon ball is shot from a cannon on top of a hill that is 73.5 meters above sea level. The cannon ball leaves the cannon with a velocity of 9.8 m/s. Write and solve a quadratic equation to determine when the cannon

11. ## applied physics

A cyclist and her bicycle have a combined mass75.okg. If the frictional force acting against the of the bicycle is -23.5, what force must the cyclist apply to maintain a constant velocity?

12. ## math

Evaluate each factorial expression. 106! 104!

13. ## Geometry

The measure of an angle's supplement is 76 less than the measure of the angle. Find the measure of the angle and its supplement.

14. ## geometry

if lines m and n are parallel and the measure of angle 3 is 45 what is the measure of 8

15. ## chemistry

What mass of MgSO4 · 7 H2O is required to prepare 300 mL of a 0.511 M MgSO4 solution?

16. ## Chemistry

What mass of MgSO4 · 7 H2O is required to prepare 300 mL of a 0.511 M MgSO4 solution?

17. ## Math

The House of Representatives has 435 members. If a committee has a prime number of members, and that number is a factor of 435, then how many members can be on the committee?

18. ## math

I'm not sure how to work this problem out. Find it very confusing and my answer keeps changing. Please help. From an observation tower that overlooks a runway, the angles of depression of point A, on one side of the runway, and point B, on the opposite

19. ## English

In the song: How Come, How Long By: Stevie Wonder... 1) What are the two types of abuse evident in the song? 2) Discuss the meaning of the line "she had a college degree, smart as anyone could be; there was not enough education in her world that could save

20. ## Calculus :)

If 8000 dollars is invested in a bank account at an interest rate of 10 per cent per year, find the amount in the bank after 11 years if interest is compounded annually ____ Find the amount in the bank after 11 years if interest is compounded quaterly ____

21. ## math

change 2.5% to a ratio expression

22. ## science

The brightest galaxy in the Bootes cluster of galaxies is found to have a redshift of 0.13. (Assume the speed of light, c, is 3.0 × 10 8 m s−1.) (i) Assuming the Hubble constant, H0, is 70 km s−1 Mpc−1 to two significant figures, calculate the

23. ## Speech

I have to give a speech soon about my different " sides" of my life. Like my school life and what I do at school compared to how I act as a sibling etc. But I'm stumped on what my visual should be. My teacher wants originality no power point or posters

24. ## Math

Can you help me write these out in an algebraic expression? 1. Seven less than twice a number equals 19. 2.Eight decreased by 3 times a number equals 2. 3. The sum of two times a number and 5 is 11. Is this right? x/8 + -1/2 = 6 My answer: x=44

25. ## Math

The least integer of a set of consecutive integers is -48. if the sum of these integers is 49, how many integers are in the set?

26. ## chemistry

Find the theoretical yield when 100 mL of 0.1 M NaI is reacted with 0.50 mL of Br2 (density: 3.10 g/mL) to produce NaBr and I2. What is the actual yield if the percent yield is 81%? (Atomic masses (g/mol): Na, 22.99; I, 126.9; Br, 79.90)

27. ## math

a jar has 5 black, 8 blue, and 7 yellow marbles. a marble is chosen at random.P(yellow or blue).

28. ## social studies

what are some interesting facts about crowley's rige?

29. ## math

using the fundamental counting principle with three or more groups of items A pizza can be ordered with three choices of size (small, medium, or large), four choices of crust (thin,thick,crispy, or regular, and six choices of toppings (ground beef,

30. ## Approximation

Find The Value Of (Sin 31) Using Approximation ?

31. ## Math

p - | 1 | 2 | 3 | 4 | q - | 5 | 9 | 13| 17| The table above represents a relationship between p and q. which of the following equations could be used to describe the relationship? a. q = p+4 b. q = p+7 c. q = 4p+1 d. q = 5p e. q = 6p-1

32. ## Maths

I am just starting to learn algebra. My question is -2n-(9-10n)=? I have to simplify this. I think it is 8n-9 Can you please tell me if this is correct or how to do it? Thanks a lot

33. ## chemistry

How long will it take for the 100mg of cesium-137 to decay to 6.25mg(1/16 the original amount)?

34. ## Math

What is this REAOPRDDRIE unscrambled ?

35. ## social studies

how to find the area of pyramid?how egyptians constructed pyramids?

36. ## English

Hello, everybody! I'm back from my holiday and I need you to check a few sentences I have to include in a test. Thank you very much for your invalubale help. 1)He paid £200 for that shirt. It was a real rip-off. 2) How much money did he pay for that

37. ## Algebra

Express as a single Logarithm and Simplify: 2/3ln(x^2+1)+1/2ln(x^2-1)-1/2ln(x+1)

38. ## teachers aide

a province that supports a denominational school system is? New Brunswick ontario Nova Scotia Quebec

i have a problem with this question my teacher gave me. i don't know what to write for the answer. the problem: there is a girl named Jane who is hired as the head of the payroll department at R& S Electronic company, firm of 75 employees. she is hired by

Estamate each sum or diffrence by rounding to the greatest place value. 998,927-100,724 would the answer be 1,000,000-200,000=800,000 :)

41. ## english

I need help with the different part of this sentence. "I have been a fan of mystery stories since I was quite young." I is a pronoun, fan is a noun, mystery is an adjective, stories is the subject..Am I missing anything else?

42. ## Math

If x^2 + y^2 = 40 and xy = 12, what is the value of (x + y)^2?

43. ## Math

If a dart is thrown at a square target with a circle inscribed in it such that each side of the square is tangent to the circle, what is the approximate probability that the ball will hit inside the circle?

44. ## social studies

how many temperature or heat zones the earth has been divided?

45. ## chemistry

explain fisrt ionization energy across period three

46. ## english

Fill in the blank with correct option 1.Watch-----the milk;don't let it boil ---. a.No preposition required,down b.No preposition require,over c.over,up d.over,over

47. ## chemistry

1) to the nearest gram, what is the molar mass of Al2O3? 2)Br+H3O->HBr+H2O when this reaction is reversed what substance acts as an acid? what substance acts as a base ?

48. ## chemistry

use dimensional analysis to find how many moles of nitrate ions are in 40.0 mL of a 0.75 M aqueous solution of aluminum nitrate

49. ## Physics 1

Chap. 11, #16.﻿﻿ (II) A 0.60-kg mass vibrates according to the equation where x is in meters and t is in seconds. Determine (a) the amplitude, (b) the frequency, (c) the total energy, and (d) the kinetic energy and potential energies when x = 0.30 m.

50. ## math

using the fundamental counting principle with three or more groups of items There are three highways from city A to city B, two highways from city B to city C,and four highways from city c to city D. How many different highway routes are there from city A

51. ## physics

If a charge of 25 coulombs passes a given point in circuit in a time of 125 minutes determine the current in the circuit

52. ## Maths

Stuck! Help! 2.5 cubed? Xxxxx

53. ## Algebra

Given that logb(5)=1.32 find the value of logb(1/sqrt(5))

Estamate the sum or diffrence by rounding to the greatest place value. 639,069+283,136 Would it be 600,000+300,000=900,000

55. ## geometry

Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement. ~[(~q V p)^ ~r]

56. ## Math

If 2m - n = 3p and 2m - 5p - n = 14, what is the value of p?

57. ## math

Consider the following list of premises: a ^ :b ! c; :a ! :d; Show that g is a valid conclusion by constructing a step-by-step argument

58. ## Personal Finance

What is taxable owed?

59. ## Geometry

Find the distance between points (-2,1) and (1,5) When finding the distance between these 2 points would you subtract 1-(-2) or -2-1? The same question with the other one as well.

60. ## Geometry

Find the distance between points (-2,1) and (1,5) When finding the distance between these 2 points would you subtract 1-(-2) or -2-1? The same question with the other one as well.

61. ## math

who are the fathers of following subjects a)maths b)physics c)chemistry d)biology e)social

62. ## Personal Finance

What are some ways to save money on your federal income tax?

63. ## algebra

the width of a rectangle is fixed at 12 cm. What lengths will make the perimeter greater than 98 cm.

64. ## math

given the linear equation y=-4/3x+1, find the y-coordinates of the point(-6

65. ## Legal Studies

Hi beautiful people! I'm trying to find good articles on the ethics of victimless crime in law. I'm struggling a bit and I was wondering if any of you knew of some good ones? I went to my state library and found some books and the journals I access don't

66. ## algebra

Jim was driving to an interview 72 mi away. On the first leg of the trop he drove an average of 30 mph through a long construction zone, but was able to drive 60 mph after passing through this area. If driving time for the trip was 1 1/2 hr, how long was

67. ## Math

Sue's friens Kat has these numbers 89378, 42327,49734 and teacher has shown a 3, how many points will Kat have? What digit does she hope teacher will pull next week so she has the highest score?

68. ## algebra

a square photograph measuring 8 inches by 8 inches is positioned within a 1 inch wide picture frame as best shown. select the best answer. what is the combined area of the photograph and frame?

69. ## Science

1.How can a model be used to determine possible sources of error in an experiment and to identify questions for further investigation?

70. ## Calculus

Find the points of intersection for y=e^x and y=sin(2x). are there an infamous (sp?) number of points of intersection for these equations?

71. ## geometry

simplify expression: -4 (-a + 3b) - 3 (a - 5b)

72. ## geometry

simplify completely: -2 (2x + y) - 7x + 2y

73. ## English-help needed

1) The expiry date of the product will be 1 year from the date stated on the label, unless otherwise advised by the supplier. OR 2) The expiry date of the product will be 1 year from the date stated on the label, unless advised otherwise by the supplier.

74. ## math

using the fundamental counting principle with three or more groups of items There are three highways from city A to city B, two highways from city B to city C,and four highways from city c to city D. How many different highway routes are there from city A

Estimate each sum or difference by rounding to the greatest place value. 10,982+4,821= should the answer be... 11,000+5,000=16,000 or 10,000+5,000=15,000

76. ## math

how do you find the slope and the y-intercept of the line 9y+3x+6=16+3x

77. ## Mth95

A canon placed at the top of a 15-foot rise fires a 16 pound ball with a vertical velocity of 172 feet per second. How far from the canon will the ball land? What is the max height of its trajectory?

78. ## Personal Finance

What is taxable income and how do you know how much taxes are owed?

clarify the role of capital in selecting a form of of business organisation

80. ## math

insert a pair of parentheses in equation to show the associative property.

81. ## Math

What is the solution to the problem: 2^103+ 2^103 +2^103 +2^103?

(4x)(3x)

83. ## Personal Finance

What is the meaning of taxable amount owed?

84. ## environmental science

what are the environmental parameters of intertidal zone?

85. ## Precalculus

2=-4+4 square root x^3 I added the four to both sides divided four squared then divided that my cube root my answer:1.31

86. ## computer

how do computer viruses work?

87. ## English

In the song: How Come, How Long By: Stevie Wonder... 1) What are the two types of abuse evident in the song? 2) Discuss the meaning of the line "she had a college degree, smart as anyone could be; there was not enough education in her world that could save

88. ## Economics

Hi beautiful people! I'd like to know a good website where I can get practise essay topics for economics. I have to write a extended written response to stimulas exam soon and as this is a weakness I'd like to find some practise topics. Its on the aging

89. ## Leadership and ethical decision making

I need to review normative ethical theory and another theory and get an understanding of the relevance of ethical theories to current organizational situations

90. ## Math

I don't understand how to solve this problem: In solving the equation (x + 3)(x + 1) = 48, Eric stated that the solution would be x + 3 = 48 => x = 45or (x + 1) = 48 => x = 47 However, at least one of these solutions fails to work when substituted back

91. ## physics

I place a single negative charge in a region where there is a constant electric field pointed toward the floor. The charge feels a force where?

92. ## Math

How do you write the expression for...the sum of the quotient of p and 14, and the quotient of a q and 3

93. ## algebra

27a squared b cube - 36a cube b squared + 18 a squared b squared + 9 a to the 4th b cube

94. ## Life orientation

Two institutions/community organization that are involved in supporting or reddress to poverty

95. ## math

place decimal points in these numbers so that their sum is 519.654. 477,329,624,913

96. ## algebra

how would I simplify 1089b^7t^5/891t^2b?

Name a business that has demonstrated accountability to people, to its community, and to its environment

hcf of 825

99. ## algebra

identify the property: (x+3) - 2= (3 + x)-2 (commutative, associative, distributive)?

100. ## PHI/105

In comparing the views of David Hume, Immanuel Kant, Georg Hegel, and Arthur Schopenhauer, which view of experience seems closest to how you view the world? Briefly explain this philosopher's view as it compares to your view.

101. ## Arkansas History

What rivers flow through the Crowley's Ridge area in Arkansas?

102. ## Calculus :)

The number of bacteria in a culture is modeled by n(t)=1550e^(0.24t) (a) The initial number of bacteria is _____ (b) The relative rate of growth of this bacterium population is _____ (c) The number of bacteria after 3 hours is _____ (d) After how many

103. ## math

what is the algebraic expression for the product of 2 times a and 5 times b?

104. ## math

Evaluate each factorial expression. 106! 104!

105. ## math

Suppose you wanted to place 1,000,000 pennies in large coin banks. If you put 50,000 pennies in each bank, in which bank would you find the 678,230th penny?

Estimate each sum or difference by rounding to the greatst place value. 38,347+17,039 would it be 40,000+20,000=60,000

107. ## geometry

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108. ## teachers aide

who administers the roman catholis schools in a diocese? the religious community director of education parents board of education elected by church members

109. ## Math

If q is 20 percent greater than p, and p is 35 percent greater than 2,000, what is the value of q - p?

110. ## Math

If m is a postive even integer, which of the following must represent an integer that is evenly divisible by 4?

111. ## Math

Let [a b c] be defined by [a b c]= 2ab +3c for all integers a,b, and c. If [x 3 3] = 3, what is the value of x?

112. ## social psychology

Is this one the few ways to obtain self-efficacy? I also feel that self efficacy can occur in oneself as well as others from charity or volunteer work and spiritual activities such as attending temple or church and reading religious texts. Yoga,

113. ## Math

A car engine burns gasoline at the rate of two gallons per hour. If it does this for 8 hours each day, approximately how many weeks will it take for the car to burn 11,200 gallons of gasoline?

114. ## Math

If 4^4y = 16^3y-2, what is the value of y?

115. ## HEALTH

Identify a contemporay health care issue, and give the different between how for- profit organization (versus not-for-profit organizations)are impacted. what are the perspective and responsibilities of the financial management staff and what are the basis

116. ## algebra

subtract:7x^3-56x^2+105x

117. ## algebra 1

What is the "quotient" of 19 and m?

118. ## math

Can anyone please help me with the following question: Prove by mathematical induction that 6^n + 4 is a multiple of 5, for nEN.

119. ## chemistry

fisrt ionization energy across period three

120. ## math

A 13-foot ladder is placed against a wall. If the ladder cannot be placed at a slope less than 2.4, what is the minimum height of the wall? A.5 feet B.12 feet C.20 feet D.13 feet E.8 feet

121. ## English

Can Passive voice be used with all Conditional sentences? or are there some specific conditionals (.e.g first, zero etc) where passive voice can be used?

122. ## chemistry

give a balanced equation between phosperuos and sodium hydroxide

123. ## math

where the arithmatic mean and geometric mean used in real life?

124. ## algebra

whats the model of 2x + 3 = 3x -1 and whats the value of x?

125. ## geometry

focus of y-5=[x-6]

126. ## Math

Please help me with the two given questions. 1] find lim 3x^2-4x/7 x-->0 2] lim sinx/2x x-->0

127. ## Social Psychology

Throughout our lives, we are measured by the people and circumstances around us. However, the most important measurement is our own. How we view and feel about ourselves impacts our level of life satisfaction. Much of our world is measured, intrinsically,

128. ## MATHS

A PERSON HAS 1&2 RUPEE COINS WITH HIM.TOTAL NUMBER OF COINS WITH HIM IS 50.TOTAL AMOUNT WITH HIM IS 75.FIND HOW MANY 1&2 RUPEE COINS ARE THERE WITH HIM

129. ## MATHS

A PERSON HAS 1&2 RUPEE COINS WITH HIM.TOTAL NUMBER OF COINS WITH HIM IS 50.TOTAL AMOUNT WITH HIM IS 75.FIND HOW MANY 1&2 RUPEE COINS ARE THERE WITH HIM

130. ## Random Question

Explain some consequences of falling 'in love' with someone who acts in an improper manner.

131. ## social psychology

Throughout our lives, we are measured by the people and circumstances around us. However, the most important measurement is our own. How we view and feel about ourselves impacts our level of life satisfaction. Much of our world is measured, intrinsically,

132. ## physics

how long does it take an automobile traveling at 76.9 km/h to become even with a car that is traveling in another lane at 57.9 km/h if the cars' front bumpers are initially 145 m apart?

133. ## maths

integral of square root of (9u^4+4u^2+1)

134. ## Math

Iam re-posting the following questions and would appreciate if anyone could show the working. 1]Find lim sinx/2x x-->0 2]lim 3x^2-4x/7 x-->0

135. ## lincon

what is this 6C+H2+CO2-->+H20

136. ## eng 122

The types of information that does not require source citation

137. ## physics

Explain how the motion of the particles in the rope producing transverse wave refers from the motion of the pulse itself

138. ## kakatiya public school

square root of 25

139. ## Health

How are staffing mix and levels determined in nursing homes? Staffing mix is the number of nurses, cnas, and staffing levels is the number of RN's Lpns, Cnas. Am I right?

140. ## Maths

if a toy costs 1/4 of its price and 48rs more, then coast of the toy is?

141. ## algebra

5 7/10+6 7/8=

142. ## statistics

The mean hours of internet usage in the US is 25 hours per week. A hypothesis test is performed at a lefel of significance of .05 with a P-Value of .05 with a P-value of 0.08

143. ## algebra

simplify expression: x (4+y) -2x (y+7)

144. ## grammar

Broken beyond compare is a/an?

145. ## Chemistry

A 55 year old woman visits a popular eatery for lunch. She orders a cheese pizza and bacon pizza with extra cheese and has about 3 large glasses of cola (ph value 3). On the way back home she experiences heartburn and abdominal pain, and has diffigulty

146. ## biology

The height of a man grows on cell division.During cancer there will be uncontrolled mitotic division.That is cell divides continuosly.Does the height of the person increase when he get cancer.

147. ## physics

how do you find a becquerel in a radioactive element without a radiation meter?

5/x=10/3x+4

149. ## French

How do you count 1-20 in the French Language?

Estamate each sum or diffrence by rounding to the greatest place value. 998,927-100,724 would the answer be 1,000,000-100,000=900,000 Thank you for helping me on my homework!

What is PacSun's corporate strategy:?

152. ## math

solve Y=(x+2)2-3

153. ## Geometry

Let p represent a true statement, while q and r represent false statements. Find the truth value of the compound statement. ~[(~q V p)^ ~r] this is the ?

154. ## math

Graph for Y=(x+2)2-3