Questions Asked on
May 25, 2011

  1. Statistic

    Sample autocorrelation at lag1, lag2, and lag 3 denoted by r1, r2, and r3 for large ‘n’ for weekly thermostat sales of one year are 0.4954 , 0.3285, and 0.0959. Assuming that SAC cuts of after lag3 and using level of significance = 0.05, the SAC

    asked by Jacko
  2. Algebra

    1. Express your answer in the form y=mx+b. (7,8); x+7y=6 2. Express your answer in the form y=mx+b. (-4,8); 8x=7y+9 3. Express your answer in the form y=mx+b. (8,9); 5x+y=9 4. Express your answer in the form y=mx+b. (2,-6); 8x+7y=5 I don't get ANY of this

    asked by Ann
  3. Algebra

    Justin had nickels and dimes in his pocket. when he counted out his change he had $1.30. If he had 17 coins altogether, how many dimes did he have?

    asked by Kim
  4. MATH ~~

    HELP Please!! Sample autocorrelations at lag1, lag2, and lag3 denoted by r1, r2, and r3 of weekly sales of shampoo bottles was found 0.4551, 0.3376, and 0.2514. Using the criteria of your text, the maximum number (‘n’) of weeks for shampoo bottles

    asked by Peter
  5. us history

    How do you think American isolationism and appeasement by Britain and France influenced the policies of Germany , Italy, and Japan?

    asked by kathy
  6. U.S. History

    Life for African Americans in the South changed after the Civil War because many Africans Americans...?

    asked by Peter
  7. U.S. History

    True or False? If a soldier had a wounded arm, it would most likely be amputated during the Civil War.

    asked by Peter
  8. U.S. History

    True or False? General Sherman's 60 miles path of destruction was from Atlanta, Georgia to Savannah, Georgia?

    asked by Peter
  9. U.S. History

    True or False? "The rebels are our country men again." Is a quote that is referring to the Emancipation Proclamation.

    asked by Peter
  10. us history

    how would the wartime experience of african americans , other minorities, and women make them less willing to accept the status they held prior to the war?

    asked by kathy
  11. maths..

    find the H C F of three Numbers 198 126 and 240 by using fundamental theorem of arithmetic

    asked by ....
  12. English

    Could you please check if everything is ok? It's really urgent. 1)The old woman is wearing an elegant black business suit with a white blouse and a white-and-blue striped scarf. 2)The boy in the picture is wearing a black leather jacket with a white

    asked by Henry1
  13. Chemistry

    What is the volume of 0.255 moles of gas held at 1.75atm and 10°C?

    asked by J.Gomez
  14. travel agency

    what is the comaprative analysis with competitors of the travel agency? thanks!!!

    asked by resisster
  15. English

    The waves got higher and higher. Then the waves broke the boat, and the emperor could not get back to the palace. (What is the meanign of 'Then' in the passage above? 1. At that time 2. After that 3. In that case Or another meaning?)

    asked by rfvv
  16. social studies

    Can someone give me some information and possible sources regarding some short and long term affects of nazi control over literature and art etc, as well as how the ideas and beliefs of members of German society changed as a result of Germany being

    asked by Milia
  17. b-tech

    a 2d regular box has a perimeter of 200cm determine the maximum possible area

    asked by tony
  18. life orientation

    provide recommendation on how to address the topic

    asked by mals
  19. life orientation

    provide recommendation on how to address the topic

    asked by mals
  20. geography

    J-shaped curve of mortality depicts the pattern of death typically experienced in:which one is the correct answer. a. Developing countries with high infant mortality b. Developed countries with low infant mortality c. Female pattern of mortality d. Male

    asked by TALOFA
  21. geometry

    If a rectangular solid has a volume of 27 and at least one edge the length of 3,which of the following Must be true? My thoughts lead me to think D is the answer,but I,m not sure?? a.The solid is a cube b.Exactly 4 edges of the solid have a length of 3

    asked by JOY
  22. geometry

    A pyramid has a square base with sides length of b. The height of the pyramid is h. If the pyramid is enlarged by doubling the height while leaving the base unchanged, what is the effect on the volume of the pyramid? Will the volume triple? These are my

    asked by JOY
  23. SCIENCE(PHYSICS)

    A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train. My Solution:-1st hr. distance=40 multiplied by 0.2=8km 2nd hr.= 50 multiplied by 0.2=10km 3rd hr. =60 multiplied by 0.4=24 km

    asked by YASH
  24. SCIENCE(chemistry)

    SIR BUT THIS IS ONLY PROVIDED IN THE QUESTION &I HAVE TO COMPLETE IT. (DRAW A TEMPERATURE TIME PLOT FOR ICE -STEAM TRANSFORMATION.)

    asked by YASH
  25. Science

    In gunea pigs , short har (L) is dominant to long hair (l) and heterozygous conditions of yellow coat (cy) and white coat (Cw) give cream coat. A short-haired, cream guinea pig is bred to a long-haired, white guinea pig, and a long haired , cream baby

    asked by Ronia
  26. Science

    In gunea pigs , short har (L) is dominant to long hair (l) and heterozygous conditions of yellow coat (cy) and white coat (Cw) give cream coat. A short-haired, cream guinea pig is bred to a long-haired, white guinea pig, and a long haired , cream baby

    asked by Ronia
  27. Chemistry

    the vapour pressure of a solution having 2g of solute X ( molar mass=32)in 100g of CS2(vapour pressure = 854 torr)is 848.9 torr. The molecular formula of solute is?

    asked by Swathi
  28. Physics

    The electric field between the two parallel plates of an oscilloscope is 1.2 X 10^5 V/m. If an electron of energy 2 keV enters at right angles to the field, what will be its deflection if the plates are 1.5 cm long?

    asked by Swathi
  29. Chemistry

    What is the concentration of NO3- ions when equal volumes of 0.1M AgNO3 and 0.1M NaCl are mixed together?

    asked by Swathi
  30. Chemistry

    In a unit cell(cubic)atoms A,B & C are located at corners, face-centres and edge centres respectively. If atoms touching one of the rectangular plane of symmetry and one of the tetrad axis are removed then formula of the compound will be? 1)ABC2 2)AC2

    asked by Swathi
  31. Chemistry

    In AB...AB...AB type arrangement if all the atoms present in body are removed,then packing fraction of the crystal is?

    asked by Swathi
  32. Chemistry

    In Zinc blend structure (r[zn2+]+r[s2-]) is equal to? (if edge lenght is a)

    asked by Swathi
  33. geometry

    I found the volume of six cubes to total 336 cubic inches. How do I change the volume to surface area? I need to find the Find the total Surface Area

    asked by JOY
  34. Algebra

    Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y= ?... 1. Express your answer in the form y=mx+b. (7,8); x+7y=6 2. Express your answer in the form y=mx+b. (-4,8); 8x=7y+9 3. Express

    asked by Ann
  35. english

    Do you say colorful or colored shirts?

    asked by henry1
  36. Chemistry

    The reaction O2 ⇄ 2 O has a K=1.2x10-10. If a 1.7 L container holds 3.8 moles of O atoms (and nothing else), what will the concentration of O be when equilibrium is reached? So far, I have 1.2x10^-10 = 2.2^2 / 0 but I don't know how to do the rest. When

    asked by Kat
  37. math

    order from largest to smallest 8, 5, -8,-3 -5, -6,1,3

    asked by Anonymous
  38. Math

    Kayla has a 41% grade average. Then sha takes an exam that is for 20% of her grade and gets an 100%. What is her grade now?

    asked by Ashley
  39. Ancient History URGENT Akhenaten

    HI Are there any good journal articles on Akhenatens personal aims? What he hoped to achieve. So far all I have is one sentance in a book saying he wanted to do away with the power of the priests of Amun. This is really urgent. My state library is offline

    asked by HELP plz
  40. Pre algebra

    Kayla has a 41% grade average. On an exam that is worth 20% of her grade she gets a 100%. What is her grade now?

    asked by Ashley
  41. maths....(mathematics..)

    by prime factorisation method find the least positive number divisible by 700 and 364

    asked by ....
  42. english 114

    I've got to write a good news letter to the president of a college expressing my appreciation of an instructor with dedication to his/her instructors...help

    asked by tab
  43. trig

    A plane is is flying 240 mph heading N60°E. The wind is blowing S30°E at 30 mph. What is ground speed? What is the smallest angle in the triangle? What is the biggest angle in the triangle? What is the remaining angle in the triangle? What is the bearing

    asked by Anonymous
  44. intergrated math

    evaluate the expression [(-4(-8].[-7)(5)]

    asked by Nichole
  45. algebra

    (4a^3b^2-14a^2b-18ab^2)/(2ab)

    asked by ethan
  46. algebra

    (4a^3b^2-14a^2b-18ab^2)/(2ab)

    asked by ethan
  47. algebra

    (4a^3b^2-14a^2b-18ab^2)/(2ab)

    asked by ethan
  48. Geometry

    A wooden cylinder with a diameter of 10 centimeters and a height of 20 centimeters rests on its circular base. It is cut in half horizontally. What is the difference between the combined surface areas of the two newly created cylinders and the total

    asked by Mary
  49. Geometry-help

    If a rectangular solid has a volume of 27 and at least one edge the length of 3,which of the following Must be true? I,m not sure??? a.The solid is a cube b.Exactly 4 edges of the solid have a length of 3 c.Exactly 6 edges of the solid have a length of 3

    asked by Mary
  50. teacher aids

    In regular school,the mainstreaming/inclusion technique is?

    asked by sara
  51. statistics

    A vending machine dispenses coffee into a sixteen ounce cup. The amount of coffee dispensed into the cup is normally distributed with a standard deviation of 0.03 ounces. You can allow the cup to overfill 10% of the time. What amount (in ounces) should you

    asked by dj
  52. STATS

    a woman standing on a bridge overlooking a major insterstate wants to know how likely it is that the next 20 out of 50 cars that pass under the bridge are red cars, if she has observed in the past that the probability than any given car on that interstate

    asked by Mattie
  53. Ancient History

    Hi Okay, hypothesis time XD. That Akhenaten challenged the religous system of New Kingdom Egypt and the role of a typical New Kingdom pharoah. Furthermore he did not create any lasting reforms, was detrimental to Egypts development and did not act as a

    asked by Em
  54. algebra

    Simplify the expression: 3x^2 − 3y + 8x − 5x^2 + 12y

    asked by jordan
  55. math

    2/27(x-3)√((x^2-6x+23)/y)rearrange the equation to make y the subject

    asked by alan
  56. geometry- need help

    Claim: the lateral (side ) surface of any area of any cylinder can is larger than the circlar surface area of its bottom. Which of the following is an example showing that the claim is false? a. a can with the diameter of 5 inches and height of 10 inches

    asked by Mary
  57. Maths

    How many 1's go into 4??

    asked by Milly
  58. algebra

    Find the value of f(0) if f(x) = x2 - 3x + 2 / x + 1

    asked by jordan
  59. Algebra

    x = 2 or x = -4 What is the Quadratic equation?

    asked by Julie Ty in advance
  60. math

    3n-5=15

    asked by Anonymous
  61. math

    The University Entrance scores are normally distributed with a mean of 250 and a standard deviation of 30. What is the probability that a randomly selected student scored lower than 250?

    asked by Probability
  62. Spanish

    How do you say she was looking at the tv in Spanish. I know this is in the imperfect progressive but ver ( to look) is irregular in the imperfect . Does that matter? Would it be esta viendo a la tele?

    asked by Hannah
  63. math

    Explain why the function f(x)={x^2-9}/{x-3} is discontinuous at x=3.

    asked by Function
  64. Geometry

    3. A box company produces two sizes of pizza boxes. The smaller box has a surface area of 260 square inches. The larger box has a length, width, and height that are twice those of the smaller box. What is the surface area of the larger box? A. 520 square

    asked by Mary
  65. math

    The derivative of f(x)=square root of {x} with respect to x is given by f'(x)={1}/square root of {x}.it is true or false?

    asked by Derivative
  66. math

    The function f(x)=(x-2)^4 has an inflection point at x=2.It is true or false.

    asked by Function
  67. math

    A study has shown that 20.05% of all college textbooks have a price of $80 or higher. It is known that the standard deviation of the price is $10. What is the mean price of the college textbooks? Assume the price is normally distributed.

    asked by Math
  68. algebra

    Solve the equation: |2x − 5| £ 9

    asked by jammon
  69. math

    The function f(x)=x(x-1)(x-2) has stationary points at x=0, x=1 and x=2.true or false.

    asked by Function
  70. math

    The price p per kilogram when x kilograms of a certain commodity are demanded given by p=[{300}/{x+3}]+105 for 0 < x < 100 Find the revenue function.

    asked by Function
  71. math

    The sales (in millions of dollars) of a laser disc recording of a hit movie t years from the date of release is given by S(t)=[{4t+1}/{t^3+1}] How fast is the sales changing one year the laser discs are released?

    asked by Math
  72. trig

    An aifplane is flying on a compass heading (bearing) of 170* at 460 mph. A wind is blowing with the bearing 200* at 80mph. a) Find the component form of the velocity of the airplane. b) Find the actual ground speed and direction of the airplane.

    asked by ale
  73. geometry

    The volume of a cone is 54 pi cubic inches. The radius and height of the cone are both reduced by a factor of 3 to create a new cone. What is the volume of the new cone? Is the volume of the new cone 18pi cu in A. 2 pi cu inches B. 6 pi cu inches C. 9 pi

    asked by Mary
  74. Pre Calc

    Find the work done by a force F of 30 pounds acting in the direction (2,3) in moving an object 3 feet from (0,0) to the point in the first quadrant along the line y = (1/2)x.

    asked by Em
  75. trig

    A 2000 pound car is parked on a street that makes an angle of 12* with the horizontal (think it's a street on a hill). a) find the magnitude of the force required to keep the car from rolling down the hill. b) Find the force perpendicular to the street.

    asked by ale
  76. physica

    a stone is thrown vertically upward with an initial velocity v0. the distance travelled by it in time 1.5v0/g?

    asked by pavatharani
  77. business

    are there similars between the world court and the us courts

    asked by ctherine cummins
  78. Geometry-Help PLZ

    Each of 6 cubes has a volume of 64 cubic units. If the figure is reduced in size such that the volume of each new cube is 1/8 the volume of the original, what is the surface area of the 6 cubes after the decrease? I came up with 96 sq units Is this

    asked by Mary
  79. business

    what are the procedures of the world court.

    asked by ctherine cummins
  80. math

    what is 4 divided by 2 2/3?

    asked by Gavin
  81. Life orietation

    Describe the life style disease/behaviour and explain 5 (more)factors that contribute to the disease.topic that refers to:lack of physical fitness and proper nutrition in the adolescent

    asked by Vusi
  82. For -Ms Sue

    Claim: the lateral (side ) surface of any area of any cylinder can is larger than the circlar surface area of its bottom. Which of the following is an example showing that the claim is false? a. a can with the diameter of 5 inches and height of 10 inches

    asked by Mary
  83. trig

    if x and y are positive acute angles, tan x=1/3and tan y =1/4, find the value of sin(x-y)

    asked by Anonymous
  84. Biology

    What is in urine after in has been filtered thrigh the kidneys?

    asked by Lauren
  85. Geometry - Ms Sue

    Do I need more information to work this problem???? A box company produces two sizes of pizza boxes. The smaller box has a surface area of 260 square inches. The larger box has a length, width, and height that are twice those of the smaller box. What is

    asked by Mary
  86. Math

    3/17x=12

    asked by Tammy
  87. algebra

    Let R = {0,1,2,3}be the range of h(x)= x-7. The domain of h is?

    asked by Loren
  88. algebra

    Which of the following functions has an inverse that is not a function? y=x y=2x+1 y=x to the second power

    asked by Loren
  89. chem

    Balance the following redox equation by the oxidation number methode Ag + HNO3 = AgNO3 + NO + H2O

    asked by Amber
  90. Algebra

    If g(x)=3x-5, then g inverse(x)=

    asked by CAL
  91. Mrs.Sue please help!!!

    It says in my competency goal 1 to establish and maintain a safe,healy learning environment. This is what i put. To provide a safe enviroment for infants you must make sure there are no small toys that the kids can choke on. You also need to make sure that

    asked by Heather
  92. Algebra

    If f(a)=K, then which of the following must be true? f(K)=a f inverse(k)=a f inverse(a)=K

    asked by Jon
  93. Math

    156 x 29/39 x 1/16

    asked by Tammy
  94. human resource management

    1. Critically evaluate the job analysis that Mary conducted for the position of assistant manager. Has she used appropriate methods? What are the strengths and weaknesses of her efforts? 2. What kind of factors about Today's Fashion and its operations

    asked by tim
  95. career management

    When considering a post-secondary option, you should consult which of the following sources? A. your internal motivation B. family and friends C. reference materials D. all of the above

    asked by career management
  96. Math

    A box company produces two sizes of pizza boxes. The smaller box has a surface area of 260 square inches. The larger box has a length, width, and height that are twice those of the smaller box. What is the surface area of the larger box? Choices are: A.

    asked by Mary - Help plz
  97. Algebra

    The volume of a cone is 54 pi cubic inches. The radius and height of the cone are both reduced by a factor of 3 to create a new cone. What is the volume of the new cone? Is the volume of the new cone 18pi cu in A. 2 pi cu inches B. 6 pi cu inches C. 9 pi

    asked by Mary - Help plz
  98. algebra

    Hector enlarges a photo 4 by 6 so that measures 12 by 18. The area of tge englared photo is how many times greater than the area of the original photo?

    asked by synthia
  99. English

    I urgently need to find a site where I can get a video lesson with transcript of the Holocaust. By the way, could you check these sentences I'm not sure of? 1)Robinson’s ship was stuck (wrecked) in the sand and the waves were dashing over it. There was

    asked by Henry1
  100. excel graphing

    In cell D21, type the formula to calculate the % change from January to February. That formula is: =(J18-E18)/ABS(E18). Format the result in the Percentage style and decrease the decimal places if necessary to round the result to the nearest whole percent

    asked by kayla
  101. Physics

    Find the electric field at P in the figure shown below. (Take r = 1.5 m and θ = 41°. Measure the angle counterclockwise from the positive x-axis.)

    asked by SBHS
  102. Geometry

    The area of a regular hexagon is 35in.2. Find the length of the side.

    asked by Meg
  103. Chemistry

    Calculate the heat change (q) in kJ for each reaction. Assume the density of the acid solutions is 1.00 g/mL and the heat capacity is 4.184 J/g*°C. i have the Ti and Tf..what equation do i use?

    asked by ChemGeek
  104. Geometry - plz help

    The radius of a right circular cone is 6 inches and the height is 8 inches find the slant height of the cone.

    asked by Mary
  105. COMPUTER LITTERACY

    HOW IS A CELL NUMBERED

    asked by JMAN
  106. Chemistry

    Please help! How many moles of hydrogen are needed to triple the volume occupied by 0.25 mol of hydrogen, assuming no changes in pressure or temperature

    asked by Michelle
  107. math

    Have a math question Determine whether or not the network is traversable.

    asked by Anonymous
  108. Chemistry

    Complete each of the following nuclear equations: a. 239/92U - ? + o/-1e b. 11/5B - 7/3Li + ? thank you!

    asked by Pernell
  109. math

    Carbon disulfide is produced by the reaction of carbon and sulfur dioxide. 5C(s) +2 SO2(g) ---------> CS2(g) + 4CO(g) How many moles of CO would be made if you started with 10 moles of C?

    asked by Clare
  110. Chemistry

    Is this answer correct? Calculate the molar concentration of sodium hydroxide solution if 36.00mL of this solution were required to neutralize 25.00 mL of a 0.2000 M solution of hydrochloric acid. .0288M??????

    asked by jordan
  111. Chemistry

    Will you check this answer for me? the half-life of strontium-87 is 2.8hr. What percentage of this isotope will remain after 8 hours and 24 minutes? ?? 34%

    asked by Madison
  112. Managerial Economics

    Assume the only choice variable is total benefit function is B(x) = 170x-x², and cost function is C(x) = 100-10x + 2x². a. What are the marginal benefit and marginal cost functions? b. Set up the net benefit function and then determine the level x that

    asked by Megan
  113. Geometry

    A right cylinder has a radius of 2 feet and a height of 5 feet. Find the surface area of the cylinder. What formula should I be using ? My answer should be 28pi ft^2 I didn't get this using 2pi.h + 2pir^2

    asked by Mary
  114. Algebra 2

    Solve and write in interval notation: -3 ¡Ü (x − 4) / 2 < 4 Solve and write in interval notation: -7 < 4x − 3 ¡Ü 7 Solve and write in interval notation: -4x − 2 < 6 AND 3x ¡Ý -6

    asked by Anonymous
  115. Chemistry

    NH4HS(s) reverse reaction arrow NH3(g) + H2S(g) Using Le Chatelier's principle, explain how increasing the temperature would affect the equilibrium.

    asked by Kat
  116. physics

    a man weighing 500N runs up a staircase half a minute he rise up by 4m. a.what work did he do? b.what was his power?

    asked by sam
  117. chemistry

    please help.....i want to know the metals that have atomic mass less than50 with symbol and valency

    asked by mystery/chemistry
  118. Physics

    The water level in a vertical glass tube 1.40 m long can be adjusted to any position in the tube. A tuning fork vibrating at 440 Hz is held just over the open top end of the tube, to set up a standing wave of sound in the air-filled top portion of the

    asked by Emma
  119. Physics

    A golfer hits a ball from the origin with an initial speed of 35 m/s at an angle of 44 degrees above the horizontal axis. The ball is moving down when it lands on a green that is 3.00 m above the level where it was struck. Neglect air resistance. 1. How

    asked by Lynn
  120. Us History

    Task: Identify two events (Monroe Doctrine & Open Door Policy) in U.S History that demonstrate how the U.S has promoted the national interest by taking foreign policy actions and for each event : .Discuss the historical circumstances that led the United

    asked by Janina
  121. Chemistry

    A 50.0- piece of ice at 0.0 is added to a sample of water at 8.0. All of the ice melts and the temperature of the water decreases to 0.0. How many kilograms of water were in the sample?

    asked by Cassie
  122. us history

    True or False? the war against hitler and mussolini was faught on three fonts: the soviet union, north africa and italy, and western europe?

    asked by kathy
  123. us history

    True or False! As soon as the United States entered the war in 1941, the tide turned in favor of the allies?

    asked by kathy
  124. com 155

    Are these well written sentences? 1. When I am writing, my words need to construct a clear picture for my readers. 2. I will avoid using slang in my writing. 3. Using irrelavant words, is one error I need to change in my writing. 4. I need to use a

    asked by blake
  125. Physics

    When a horizontal force of 350 is applied to a 86.0 box, the box slides on a level floor, opposed by a force of kinetic friction of 130 .What is the magnitude of the acceleration of the box?

    asked by EL
  126. music

    public enemy's abrasive rap recording fight the power has a basic pulse of

    asked by Anonymous
  127. Physics

    In an emergency stop to avoid an accident, a shoulder-strap seatbelt holds a 58 passenger in place. If the car was initially traveling at 94 and came to a stop in 5.2 along a straight, level road, what was the magnitude of the average force applied to the

    asked by EL
  128. Biochemistry

    what will be the pH of a buffer prepared by mixing 600 ml of 0.1M sodium acetate solution and 40 ml of 0.2M acetic acid solution

    asked by Lisa
  129. geometry

    line xy bisects and is perpendicular to line ab and dc .line Ab = 48 in. line ap = 26 inches . what is the length of line xy

    asked by miguel butgos
  130. physics

    an electric field of 15000 N/C is directed along the positive x-axis, what is the electric force on an electron in this field?

    asked by Anonymous
  131. American Government

    The nominating process? A.chooses new government officeholders. B.selects political-party leaders. C.narrows the field of possible candidates D.all the above

    asked by John Delarosa
  132. Pre-algebra

    Simplify the expression 12q•0•q

    asked by Ashley
  133. Pre-algebra

    Simplify the expression (8•5)•1

    asked by Ashley
  134. Pre-algebra

    9n+5-9-9n

    asked by Ashley
  135. Pre algebra

    6k+10-4k-2k

    asked by Ashley
  136. World History

    What was the most important factor in the British conquest of India during the eighteenth century? A. willingness of the British government to pay for an invasion. B. political disunity in India. C. superiority of British arms. D. addiction of millions of

    asked by Joe
  137. Pre algebra

    simplify (0+9k)+k

    asked by Ashley
  138. Pre algebra

    Simplify (3c•7)•2

    asked by Ashley
  139. Pre algebra

    Simplify 10w+6+3w

    asked by Ashley
  140. Pre algebra

    The width of a triangle is x-3 and the length is 2x-1. Write and solve an equation to find the perimeter and area of the rectangle if the measures of its length and width are in a 1:3 proportion

    asked by Ashley
  141. Pre algebra

    At the wintergrove amusement park you can purchase a season discount pass for 75$ that will allow a 10$ admission to the park all season. If you do not purchase a season discount pass, then the park admission is 35$. Determine the number of times you must

    asked by Ashley
  142. psychological statistics

    A random selection of files from a student counseling center revealed the following reasons why college students seek services: Mental health issues 25 Learning/school issues 15 Relationship issues 5 Other 5 What does it mean to say the files were randomly

    asked by tia
  143. HISTORY

    1. How did the rulers of the Canyon peoples deal with the environmental challenges that their region presented? A. They allowed high levels of citizen participation in the running of their local communities. B. They developed a remarkable level of exchange

    asked by BOB
  144. GEOMETRY

    PLEASE HELP ME, I HAVE AN EXAM TOMORROW AND THIS THE ONLY QUESTION I HAVE. THE AREA OF A REGULAR HEXAGON IS 35 IN SQUARED. FIND THE LENGTH OF A SIDE. ROUND YOUR ANSWER TO THE NEAREST TENTH. I KNOW THE ANSWER IS 3.7 BUT I DON'T KNOW HOW TO GET IT!!

    asked by Meg
  145. physics

    A golfer hits a ball from the origin with an initial speed of 35 m/s at an angle of 44 degrees above the horizontal axis. The ball is moving down when it lands on a green that is 3.00 m above the level where it was struck. Neglect air resistance. 1. How

    asked by Amy
  146. chemistry

    suppose that a scientist needs to make 100 mL of a 1.00 M solution. What mass of solid KC needs to be used

    asked by heather
  147. chemistry

    now lets say that this scientist wants to make 50 mL of a 0.250 M KC solution. How much of the 1.00 M "stock" solution whould he use

    asked by heather
  148. math

    Find a parametric description for the ellipse having the focus F=(0,-4), corresponding directrix y=3, and eccentricity e=3/4.

    asked by sophie
  149. Chemistry

    Really hard Chemistry question that I need help with. Any assistance would be really helpful.? When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas produced is measured. The volume

    asked by Codec
  150. Chemistry

    Calculate how much heat 32.0 g of water absorbs when it is heated from 26.0°C to 73.5°C.

    asked by Jessica
  151. Chemistry

    It says to draw the structural formula CH3CH(OH)CH3 on my hw. What's the parenthesis in the formula?

    asked by Jamie
  152. Algebra 2

    Simplify: sqrt6(sqrt2/2+sqrt3)-sqrt8 I need all of the steps. I need this ASAP because this is due tomorrow. Thanks

    asked by Brandon
  153. Chemistry

    The specific heat of toluene, C7H8, is 1.13 J/g K. How many joules of heat are needed to raise the temperature of 30.0 g of toluene from 10.4°C to 29°C? THANK YOU

    asked by Emily
  154. Algebra 2

    Simplify: sqrt(72x^3)-5x sqrt(2x) I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  155. Algebra 2

    Simplify: (2sqrt6-sqrt3)^2 I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  156. Algebra 2

    Simplify: 6/(3+2sqrt3) I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  157. Chemistry

    0.60 mol of steam condenses at 100°C

    asked by Emily
  158. Algebra 2

    Solve: 2-y=sqrt(y+4) I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  159. Algebra 2

    Solve x^4-4x^3+4x^2-9=0 given that 1+i sqrt2 is a root. I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  160. Algebra 2

    Simplify: (2^(1+sqrt2)/2^(1-sqrt2))^sqrt2 I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  161. Chemistry

    When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas produced is measured. The volume of N2 gas corrected to 298.15K and 100kPa is calculated to be 0.146L. Find the mass percent of

    asked by SadFace
  162. Algebra 2

    Are the functions f and g inverse functions if f(x)=5/3x+1 and g(x)=3(x-1)/5? I need all of the steps on how to determine this. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  163. Algebra 2

    Simplify: log6^(36/6^-10) I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  164. Chemistry

    how do you calculate the quantity of heat gained or lost? 0.60 mol of steam condenses at 100°C

    asked by Emily
  165. Algebra 2

    If logb^z=1/3logb^x+logb^y, write z in terms of x and y. I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  166. Algebra 2

    Solve e^(2x-1)=3 I need all of the steps. I need this ASAP because this assignment is due tomorrow. Thanks

    asked by Brandon
  167. Chemistry

    When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas produced is measured. The volume of N2 gas corrected to 298.15K and 100kPa is calculated to be 0.146L. Find the mass percent of

    asked by Derek
  168. Chemistry

    In the test for chloride ion why is it necessary to acidify with hno3

    asked by Agu
  169. grammar

    is this senetence put right? or how do i fix it? Commas are very important to add to a sentence where they are needed because if you don't properly use them, the reader will be confused.

    asked by diana
  170. Chemistry

    When 0.5963g of a sample containing NaNO2 and some inert material is allowed to react with excess HSO3NH2, the volume of N2 gas produced is measured. The volume of N2 gas corrected to 298.15K and 100kPa is calculated to be 0.146L. Find the mass percent of

    asked by Mark
  171. Chemistry

    Mercury, with a freezing point of -38.8°C, is the only metal that is liquid at room temperature. How much heat energy (in joules) must be released by mercury if 1.30 mL of the metal is cooled from room temperature (18.0°C) to -38.8°C and then frozen to

    asked by Amalia
  172. history

    I am doing a report on the 1938 "war of the worlds"radio brodcast/scare. i need just one reliable website (no dot com's, dot net's or wikipedia)that can give me some more information on it. please give me a link

    asked by penny lane
  173. Math

    Use the limit process to find the area of the region between f (x)=10x+8 and the x-axis on the interval [0,3]

    asked by Christiana
  174. algebra

    what is the slope of line that passes through (-3,-8) and (0,6)

    asked by randy
  175. Chemistry

    A 22.0 g piece of aluminum at 0.0°C is dropped into a beaker of water. The temperature of the water drops from 92.0°C to 77.0°C. What quantity of heat energy did the piece of aluminum absorb? Please Help, I'm so lost :( Thank you

    asked by Jane
  176. English

    Could you please check these sentences,please? It's really urgent. I made some changes and I would like to know if they are correct. 1) The interior monologue has the following features. First, it is immediate since it lacks the conventional syntax and it

    asked by Henry1
  177. Chemistry

    Calculate how much heat 32.0 g of water absorbs when it is heated from 26.0°C to 73.5°C. In joules, and then we have to calculate calories too, how is that done? I was absent. Thanks so much!

    asked by Jane
  178. history/ just need someone to read this

    describe the reconstruction period and how is happened and if it had any gains. i have to post this a paragraph at a time. sorry The Reconstruction Period refers to efforts made in the US between 1865 and 1877 to restructure the political, legal and

    asked by krystal
  179. science

    What is a simple definition for the 2nd law of Thermodynamics?

    asked by christina
  180. Ap human geo

    Umm this isn't really a question, it's actually a thank you to Ms. Sue for answering my question. Although it was not direct and you made me think, ugh, I figured it out!!!! I did not check until today the 25 of May bcause no other website has given me an

    asked by Arielle
  181. English

    I left out three sentences, I hope you can see them. 1) Can you use his/her when writing a dissertion? Exmple: The character stays fixed in a place whereas his/her consciousness moves freely in time. 2) There was no use in (is "in" necessary?) thinking of

    asked by Henry1
  182. English

    I saw your corrections and I thank you for your help. Shall I write this way: 1) The interior monologue has the following features: first, it is immediate since it lacks the conventional syntax and it is free from introductory expressions. Second, it is

    asked by Henry1
  183. Chemistry

    A 22.0 g piece of aluminum at 0.0°C is dropped into a beaker of water. The temperature of the water drops from 92.0°C to 77.0°C. What quantity of heat energy did the piece of aluminum absorb? Please Help, I'm so lost :( Thank you

    asked by Morgan
  184. us history

    True Or False! Despite the stepped-up industrial production of the war years, the United States could not shake off the effects of the Great Depression.

    asked by kathy
  185. us history

    True or False! Before the end of the war, the supreme court declared the internment of Japanese Americans unconstitutional.

    asked by kathy
  186. Pre Calc

    Find the work done by a force F of 30 pounds acting in the direction (2,3) in moving an object 3 feet from (0,0) to the point in the first quadrant along the line y = (1/2)x. The answer is 85.38 foot-pounds. I just need to figure out how to get the answer.

    asked by Em
  187. math

    This is a question on a study guide for a test tomorrow. How do you do it? Please help According to the Federal Highway Administration, teenage males drive an average of 10,718 miles each year. Assume the mileage totals are normally distributed with a

    asked by Max
  188. advanced functions

    I need help figuring this question out please :) log2=log(x+5)-1 I have been studying for my test and this is a question i got stuck on.

    asked by oranges
  189. Chemistry

    Which shows 15/c9d3 in simplified radical form with the smallest possible index?

    asked by Melanie
  190. Math

    Given the plane 2x-3y+7z=4, find the equation for the line perpendicular to the plane that intersects the plane at the point (6,5,1).

    asked by Marisol
  191. Algebra

    Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y= Express your answer in the form y=mx+b. (7,8); x+7y=6 Express your answer in the form y=mx+b. (8,9); 5x+y=9 Express your answer in the

    asked by AE
  192. Communication

    What are innovative uses of communication technology that changed the world

    asked by Theresa
  193. chemistry

    What minimum mass of HCl in grams would you need to dissolve a 2.5g iron bar on a padlock?

    asked by Anonymous
  194. Computers

    What is good and bad e-mail etiquette

    asked by JoshelaT
  195. algebra

    simplify and write using only positive exponents. thanks. (2x^3y^4)^-2 divided by (8xy^6)^-3

    asked by kristin
  196. Algebra 2

    Simplify: 2/^6sqrt8 I need all of the steps. Thanks

    asked by Brandon
  197. math

    Simplify: 5/8 divided by 15/16 + 1/2

    asked by jasmine
  198. FRENCH

    We just started learning about Reflexive Verbs. And We learned how they are supposed to be in the Past tense, but our focus right now is only on the Present tense. And for the present tense I am wondering whether I need agreement or not? Cause I believe

    asked by Sydney
  199. advance functions

    will someone please help me with the question i posted earlier ? :(

    asked by oranges
  200. math

    a rectangle whose sides measure 8cm 3cm 8cm and 3cm

    asked by abriana
  201. Algebra

    I need help multiplying rational expressions.. x-2/x+3 x 4x+12/6 first I took the four out from 4x +12/6 so I got x-2/x+3 x 4(x+3)/6 but now I'm not sure what to do?

    asked by Michelle
  202. Sociology - Essay

    I'm doing an essay about the 4 purposes of prison and how they are being met in the movie "The Shawshank Redemption". I have to do 4 of the 6 paragraphs with 2 points, 2 proofs, and 2 analysis. The paragraphs that I'm doing now are about protection and

    asked by Alex L.
  203. grammar

    Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. This interaction may be imagined or real. Use at least five different pronouns, adverbs, and adjectives in your sentences.

    asked by Venel
  204. MATH

    Find A n B if A={5, 10, 15, 20} and B={10, 2O, 25, 30} THAT N IS AN UPSIDEDOWN U, DON'T KNOW WHAT THAT MEANS

    asked by K. C
  205. Activity Question

    Was conflict over red river settlement inevitable? Yeah because I am sure Macdonnel would have still issued his Pemmican Proclamation no matter what. This question is like a trick question. How do I reword it, and my answer is not good. please help

    asked by Emma
  206. Social studies

    Describe attitude of George Simpson and his wife towards natives peoples and Metis. how were their views racist? what impact did these views hve on simpsons? on red river settlement? George and his wife did not like the Metis and the Natives. Frances could

    asked by Emma
  207. Grammar

    ***Is this done correctly? Write some examples of sentences that change the meaning of a word by using different modifiers? Eventually I realized what they were talking about. My grandmother is a very sweet woman. The man was extremely tall. It was

    asked by Angelina
  208. physics

    A 870-kg race car can drive around an unbanked turn at a maximum speed of 41 m/s without slipping. The turn has a radius of 180 m. Air flowing over the car's wing exerts a downward-pointing force (called the downforce) of 11000 N on the car. (a) What is

    asked by cswidener
  209. math

    Solve the radical equation: √300 or ã300

    asked by jasmine
  210. math

    ã2x+4=4

    asked by jasmine
  211. physics

    A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 29.4 . The acceleration period lasts for time 9.00 until the fuel is exhausted. After that, the rocket is in free fall. Find the maximum height

    asked by ahhhh!
  212. Chemistry

    I was heating a flask containing salicylic acid, acetic anhydride, and H2SO4 to synthesize aspirin. During the heating period, a black sludge appeared at the bottom of the flask. I have no idea what this could be. Other students had experiments that worked

    asked by Gretchen
  213. risk management

    You are the risk manager of an energy producing company. Your firm explores for and extracts crude oil. Your firm regularly produces approximately 50,000 barrels of oil monthly. You watch the energy markets closely and determine in early May 2011 that the

    asked by kamran
  214. Red River Settlement--Roles of the Women

    What jobs did women do in the daily life of red river settlement? How does this relate to life for women colonists in the wilderness of upper Canada? Women and men worked side by side. The women helped in the grain harvest, using sickles to cut the wheat

    asked by Emma
  215. Math

    Find a parametric description for the ellipse having the focus F=(0,-4), corresponding directrix y=3, and eccentricity e=3/4.

    asked by Marisol
  216. finance

    Refer to Figure 7-1 of Personal Finance. Why is it important to go through these steps when you are planning on making a large purchase? Provide at least one example to support your response.

    asked by chris
  217. Economics

    3. (i) Sleak Teak builds yard furniture using hardwoods and (in a smaller shop) handcrafted knick-knacks from the same sort of wood. The hardwood usage in the two lines of product are Yard Furniture: Y = 2 Ty - .001Ty2 Knick-knacks: Z = 20Tz - .01 Tz 2

    asked by Michelle
  218. Economics

    4 (ii) You manage Dirt Diggers, an excavating firm that excavates roadside ditches for laying drainpipes. Its output follows the production function: Q = 10L -.1L2 where L denotes labor hours and Q the length of the ditch in meters. You can hire labor at

    asked by Michelle
  219. Economics

    2. (i) The production function for a firm is given by Q = LK where Q denotes output; Land K labor and capital inputs. Wage rate and rental rate are given by w and r respectively. (a) Show whether or not the above production function exhibits diminishing

    asked by Michelle
  220. ecology

    after spraying crops with ddt for several years, farmers found that populations of insect pests rebounded. one reason was that the insects had developed resistance to the insecticide. suggest populations, pyramids, predators and competitors

    asked by nawal rahem
  221. science

    Two point charges 8q and -2q are located at x=0 and x=l find the location on the x axis where electric field due to these two point charges is zero

    asked by Prasoon
  222. english

    How does the valley of ashes give a vision of the American Dream? Is it like that it showed prosperity?

    asked by Katie
  223. English

    syllables-what would be the onset for throw and roast? throw a. thr b. ro c. ow d. th e. row roast a. roa b. oa c. st d. oast e. r

    asked by Glenda
  224. US HISTORY

    1.Good weather, sufficient supplies, and secrecy were the keys to the success of the Allies' cross-channel invasion of France. true or false

    asked by tROMPUdA
  225. US HISTORY

    2.At the Yalta Conference, Stalin agreed to enter the war against Japan, but he refused to promise free election in Eastern Europe after the war. true or false

    asked by tROMPUdA
  226. US HISTORY

    Despite their losses in the war, France and Britain were as firmly in control of their colonies in 1945 as they had been before 1939. true or false

    asked by tROMPUdA
  227. physics

    A motorcycle has a constant speed of 24.4 m/s as it passes over the top of a hill whose radius of curvature is 135 m. The mass of the motorcycle and driver is 364 kg. Find the magnitude of (a) the centripetal force and (b) the normal force that acts on the

    asked by cswidener
  228. FIN

    Jesse, Inc., located in Mesa, Arizona, manufactures high-end baby chairs. The firm’s cost accountant, Lisa, has been assigned by the CEO to determine how many baby chairs Jesse, Inc., needs to make and sell in order to break even. She is given the

    asked by ZICKO
  229. geology

    When astronauts brought back rock samples from the Moon, the minerals present were mostly the same as those found on Earth. Can you think of reasons why this might be so? Would you expect minerals on Mars or Venus to be the same, or at least very similar,

    asked by nikki
  230. Physics I

    A car can decelerate at -4.40 m/s2 without skidding when coming to rest on a level road. What would be the magnitude of its deceleration if the road were inclined at 12° uphill? Assume the same static friction coefficient.

    asked by Jason
  231. algebra

    a bag contains 3 green marbles, 2 yellow marbles, and 5 blue marbles. a marble is picked at random and replaced. a second marble is picked at random. what is the probability that the first marble is yellow and the second is not yellow.

    asked by waterman
  232. statistics

    with a mean of 60 and standard deviation of 7, what is the z score at 1.64?

    asked by jackie
  233. Chemistry

    what are the concentrations of hydrogen ions and hydroxide ions in a solution that has a oh of 5? *please include work done so I can understand*

    asked by Sara
  234. Economics

    The accompanying table shows a car manufacturer’s total cost of producing cars: Qty |TC| Variable Costs| Avg. Var. Costs| Avg. Total Costs| Avg. Fixed Costs 0 |$500,000| ---- | ---- | ---- |---- | 1 |540,000 | 2 |560,000 | 3 |570,000 | 4 |590,000 | 5

    asked by shay
  235. Bio

    im stuck on these questions for my study guide Please help! i don't want links. thanks 1. Which of the follwoing would be an appropriate measure of the phenotypic variation of a trait in a population? a) the mean of the trait in the population b) the

    asked by Philip
  236. physics

    Calculate the maximum acc. of a car that is heading up a 4 degree slope. Assume that only half the weight of the car is supported by the two drive wheels and the static coefficient friction is involved- the tires can not slip during the acceleration a) on

    asked by jake moose
  237. biology

    What are different ways antibodies can react with antigens, that aids in preventing a host from being infected.

    asked by osa
  238. english

    For Grapes of Wrath and the American Dream, how did the setting affect the characters vision of the dream? Is it sort of brutal because there was starvation, poverty, and death?

    asked by Katie
  239. teacher aide

    In a regular school, the mainstreaming/inclusion technique is a]used only with visually impaired students. b]often impossible with behaviour disordered students c]frequently a positive experience for regular students. d]impractical for learning challenged

    asked by sara
  240. Chemistry

    Determine Kc for the following reaction: 1/2N2(g) + 1/2O2(g)+ 1/2Br(g) NOBr(g) from the following information (at 298K) 2No(g) N2(g) + O2(g) Kc = 2.1x10^30 NO(g) + 1/2Br2(g) NOBr(g) Kc = 1.4

    asked by K
  241. Chemistry

    What are the steps in solving this problem? There was 455 mL of water added to 60 mL of a 2M ammonia solution. What is the new molarity?

    asked by Colleena
  242. Chemistry

    Starting with 0.3500mol Co(g) and 0.05500mol COCL2(g) in a 3.050 L flask at 668K, how many moles of Cl2 are present at equilibrium? Co(g) = Cl2(g) COCL2(g) Kc = 1.2x10^3

    asked by K
  243. Chemistry

    HCONH2(g) NH3(g) + CO2(g) Kc= 4.84 at 400 K2(g) If 0.186 mol of HCONH2(g) dissciates in 2.16L at 400K, what will be the total pressure at equilibrium?

    asked by K
  244. math

    What us the total length of the small rectangle? The length of it us 17inches

    asked by wendy
  245. Algebra

    Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y= Express your answer in the form y=mx+b. (-8,9); 2x=9y+4

    asked by AE
  246. algebra

    Write the equation of the line containing the given point and parallel to the given line. The equation of the line is y=... Express your answer in the form y=mx+b (2,-6); 8x+7y=5

    asked by samae
  247. Math

    If the radius of a circle is 3960 the angle is 1.59 the arc length is 110 how would I find the hypotenuse? I think it is 3960/cos1.59 but I know that you just don't automatically know that wouldn't it start out as cos1.59 = A/H (adjacent/ Hypotenuse) Could

    asked by Amy~
  248. Chemistry

    If you are given 46 grams of magnesium how many grams of hyfrogen will be produced?

    asked by Jena
  249. teacher aide

    when working with behaviour disordered children in the classroom,the teacher aide can modify behaviour by a.praising them when they succeed. b.using the same techniques for every student. c.underestimating what the child can do. d.reinforcing the problem

    asked by sara
  250. Algebra

    The equation of a mirror in a particular telescope is y= (x^2)/(520), where x is the radius (in cm). If the mirror has a diameter of 32 centimeters, what is the depth of the mirror?

    asked by Calisha
  251. math

    a 26 foot tree cast a shadow of 14 feet, a nearby tower cast a shadow of 21 feet, how tall is the tower?

    asked by jamie
  252. math

    What is the sin of 495 degrees?

    asked by Suzanne
  253. Physics

    On earth, a certain type of bacteria doubles in number every 24 hours. Two cultures of these bacteria are prepared, each consisting initially of one bacterium. One culture is left on earth and the other is put on a rocket travelling at .866c relative to

    asked by Joe Schmo
  254. teacher aide

    A diagnosis of mental retardation means that a child a.can't read or write at a funtional level. b.needs serious learning support in mental ability and behaviour. c.has a mental age equal to his or her chronological age. d.can never funtion in normal

    asked by sara
  255. Math

    which mountains peaks can be seen from Oahu. Island Distance(Mi) Mountain Height(ft) Molokai - 40 - Kamakou - 4,961 A) Radius of earth= 3960 mi. Determine angle formed at the center of the earth. B) Determine length of the hypotenuse. Could someone go

    asked by Amy~
  256. Chemistry

    phosgene an equilibrium reaction is the formation of phosgene an equilibrium reaction? how can you tell

    asked by John
  257. Roles of Women

    How does this relate to life for women colonists in the wilderness of upper Canada? Okay so they both had to take care of their families and had to do all the housework, the women colonists in the wilderness of upper canada helped with the farming too.

    asked by Emma
  258. algebra

    Please Solve! ln= 1/e3 (e to the third power)

    asked by Katieneedsyourhelp