Questions Asked on
May 8, 2013

  1. Chemistry

    Consider a generic redox reaction then suppose that the coefficients in the redox reaction are doubled. How will the following quantities be affected for a voltaic cell under nonstandard conditions, will they be Doubled, Halved, Squared, or No Change. Note

    asked by Christopher
  2. MATH HELP?!?!?!

    1. Maria has the following scores in her mathematics class: 86 75 97 58 94 and 58 a: Find the mean median and mode b: Should Maria's Mathematics class teacher use mean median or mode of the exam to convince Maria that she needs to study more regularly? 2.

    asked by Rebekah
  3. chemistry

    11.During an acid-base titration, 25 mL of NaOH 0.2 M were required to neutralize 20 mL of HCl. Calculate the pH of the solution for each of the following: 12.Before the titration. 13.After adding 24.9 mL of NaOH. 14.At the equivalence point. 15.After

    asked by Tina
  4. geometry

    Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole? step by step on

    asked by maria
  5. Data Gathering and Inference

    When the production manager finds the average life of her bulb-lifetime data, it is an example of what phase of inferential statistics? A. Data organization. B. Data gathering. C. Data analysis. D. Probability-based inference.

    asked by Tifini
  6. Physics Need quick help please

    Estimate the total binding energy for copper. 550 MeV Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons. E= in Joules Please help me out I got 1st part I need the Energy in joules am confused please help me

    asked by Leila
  7. statistics

    12 squirrels were found to have an average weight of 10.5 ounces with a sample standard deviation is 0.25. Find the 95% confidence interval of the true mean weight

    asked by Anonymous
  8. Physics

    What is the electric force between a glass ball that has +4.5 × 10−6 C of charge and a rubber ball that has −7 × 10−6 C of charge when they are separated by a distance of 4.9 cm? The value of the Coulomb constant is 8.98755 × 109 N · m2/C2.

    asked by Michael
  9. ENGLISH LITERATURE

    ANSWER ONE ESSAY 'TAKE A NOBLE MAN. PUT HIM IN A SITUATION WHERE DESPITE HIS NOBILITY HE FAILS TO MAKE THE RIGHT DECISION OR CHOICE . SEE HIS GRADUAL DECLINE AND DOWNFALL . FEEL HORROR AT THE SIGHT OF HIS COLLAPSE . THIS S THE TRAGEDY OF OTHELLO . TAKING

    asked by MADHURIKA
  10. chem

    The solubility of nitrogen in water is 8.21 E-4 mol/L at 0°C when the nitrogen pressure above water is 0.790 atm. Calculate the solubility of nitrogen in water when the partial pressure of nitrogen above water is 9.55 atm at 0°C?

    asked by madd
  11. Chemistry

    A saturated solution of potassium nitrate in water is prepared at 70.0*C then cooled to 55.0*C how many grams of potassium nitrate crystallized--- how do I determine this using my graph with everyone's numbers

    asked by Melissa
  12. Math

    A lighthouse is east of a Coast Guard patrol boat. The Coast Guard station is 20 km north of the lighthouse. The radar officer aboard the boat measures the angle between the lighthouse and the station to be 23°. How far is the boat from the station?

    asked by Grace
  13. Physics I need help someone plz help out

    An example of the neutron absorption reaction is . 1 0 n+10 5 B-->7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^-27 kg. calculate Q Q= in MeV I have the same

    asked by Amy
  14. Physics please help me out! thank you

    If a galaxy is traveling away from us at 2.0% of the speed of light, roughly how far away is it? t= light years I got 2.4x10^8 light years but its wrong please help me out...thank you

    asked by Leila
  15. math

    A cylindrical carton of oatmeal with radius of 3.5 in. is 9 in tall. If all surfaces except the top are made of cardboard , how much cardboard is used to make the oatmael carton. Round your answer to the nearest square inch

    asked by Hannah
  16. math

    find the accumulated value of an investment of $10000 for 5 years at an interest rate of 5.5% if the money is a. compounded semiannually; b. compounded monthly; c. compounded continuously.

    asked by newlemon
  17. HELP HARD CHEM. QUESTION!

    Using the following spontaneous reactions, classify the 3 metals involved (Cr, Sn, Al) according to increasing reductant properties. a)2Cr + 3Sn2+ ->2Cr3+ + 3Sn b)Al + Cr3+ -> Al3+ + Cr

    asked by scilover
  18. statistics

    Assume that body temperatures of healthy adults are normally distributed with a mean of 98.2°F and a standard deviation of 0.62°F. Suppose we take a sample of eight healthy adults. What is the probability that their mean body temperature will be greater

    asked by ali awan
  19. Physics

    The sled is stuck in the snow. A child pulls on the rope and finds that the sled just barely begins to move when he pulls with a force of 24 N, with the rope at an angle of θ = 33° with respect to the horizontal. The mass of the sled is 14 kg. If the

    asked by R
  20. Chemistry

    How many moles of potassium hydroxide are required to neutralize 1.25 mol of phosphoric acid? H3PO4 + 3KOH -> K3PO4 +3H2O I got 0.42 mol KOH , is this correct? thanks!

    asked by Anonymous
  21. Ap chemistry

    What is the approximate molar fraction of ethanol c2h5oh in an aqueous solution in which the ethanol concentration is 11.0 molal? A. 0.0011 B. 0.011 C. 0.170 D. 0.200 E. 0.600

    asked by Lacey
  22. statistics

    do students who learned English as well as another language simultaneously score worse on the SAT critical reading exam than the general population of test takers? the mean score di 501. A random sample of 100 test takers who learned English as another

    asked by shannon
  23. statistics

    According to a USA Today poll conducted in February 2009, 83% of adults nationwide are in favor of funding new government programs to help create jobs. Calculate the mean number of adults in favor of funding new government programs to help create jobs in a

    asked by ali awan
  24. math

    rewrite the expression by factoring out (v+5) 5v^2(v+5)+3(v+5)

    asked by Josh
  25. Probability

    The spinner has 6 sections 2 of which are 2. The spinner is now spun until it stops on a section numbered 2. The probability that this happens on the nth spin is 16/243. Find the value of n.

    asked by Hajar
  26. chemistry

    how to determine the oxalate and copper in K[Cu(C2O4)2].2H2O

    asked by rayan
  27. chemistry

    if the endpoint in the tritration of the KHC8H4O4 solution with the NaOH solution is mistakenly surpressed(too pink),will the molar concentration of the NaOH solution be reported too high or too low?explain

    asked by jiska
  28. geometry

    Shalonda notices that when she stands next to the flagpole, she casts a shadow that is 8 feet long and that the flagpole casts a shadow that is 28 feet long. Little Shalonda is 4 feet tall. How tall, to the nearest foot, is the flagpole?

    asked by raul
  29. Chemistry

    A beaker is filled with Ammonia (NH3) and Hexane. A surfactant with a polar head group and non-polar tail is added to the mixture, and the beaker is agitated and then allowed to equilibrate. The values of density are 0.65 g/cm3 for hexane and 0.60 g/cm3

    asked by X-ACTO
  30. HELP! CHEMISTRY

    Which one of the following species will react with Sn at standard state conditions? a) S b) Ag+ c) Cu d) Zn2+ What does it mean by standard state conditions? And what do I have to look at to determine it? Would it be Zn2+?

    asked by scilover
  31. CONFUSING QUESTION PLEASE HELP

    Which one of the following species will react with Sn at standard state conditions? a) S b) Ag+ c) Cu d) Zn2+

    asked by scilover
  32. statistics

    7. Determine whether it is appropriate to apply the Central Limit Theorem for Proportions: sample size 35, sample proportion 0.95. A) Yes B) No

    asked by ali awan
  33. statistics

    The distribution of heights of American women aged 18 to 24 is approximately normally distributed with mean 65.5 inches and standard deviation 2.5 inches. What is the probability that a randomly selected woman is between 60 and 64 inches tall?

    asked by ali awan
  34. Phase Changes

    The heat of fusion of water is 335 J/g, the heat of vaporization of water is 2.26 kJ/g, the specifc heat of ice is 2.05 J/deg/g, the specific heat of steam is 2.08 J/deg/g and the specific heat of liquid water is 4.184 J/deg/g. How much heat would be

    asked by Jenny
  35. algebra 2

    A dog kennel is to be constructed alongside a house using 60 m of fencing. Find the dimensions that will yield the maximum area. How do you solve this problem?

    asked by Rachel
  36. english

    In the text box provided below, type the research report according to the guidelines below. You must submit both your first draft and final versions. Remember that an adult must review your first draft and provide constructive criticism. Assignment: A

    asked by lewis
  37. Probability

    You have a 4-card deck containing a queen, a jack, a 10, and a 9. You draw a random card, put it back, and draw a second random card. Use a tree diagram to calculate the probability that you draw exactly 1 face card (a queen or a jack). A. 1/2. B. 7/16. C.

    asked by so confused!
  38. Life orientation

    In 10-15 lines critically discuss 5 ways in which human or enviromental problem of nutrition on the community

    asked by Kgothatso
  39. chemistry

    Sodium dodecyl sulfate (SDS) has the structure below. The surface tension of water changes as SDS is added, as shown in the graph below. (a) Why does the surface tension of water change as SDS is added? The number of micelles increases, which allows the

    asked by Anonymous
  40. calculus

    a spring exerts a force of 150 N when it is stretched 0.4 m beyond its natural length. How much work is required to stretch the spring 0.9 m beyond its natural length?

    asked by Anonymous
  41. physics

    A20 kg box is suspended from the ceiling by robe that weight of the rope is 1kg find the tension

    asked by natnael
  42. chemistry

    Consider the polymer polybutadiene. (a) Will linear polybutadiene or branched polybutadiene have a higher molar volume? (b) Will linear polybutadiene or branched polybutadiene have a higher glass transition temperature? (c) Will linear polybutadiene or

    asked by Anonymus
  43. math

    suppose you roll 2 number cubes. what is the probability that the product of the numbers is a multiple of 7

    asked by p
  44. Physics

    The roller coaster starts with a velocity of 16 m/s. One of the riders is a small girl of mass 26 kg. Find her apparent weight when the roller coaster is at locations B and C. At these two locations, the track is circular, with the radii of curvature

    asked by R
  45. Math

    A pen costs twice as much as a pencil. If Susan spends $ 1.50 for a pen and a pencil, how much does a pencil cost ?

    asked by Sadia
  46. socology

    10. What type of sociologist stresses a commitment to positively impacting society through sociology? Academic Applied Public Scientific 9. What are the five key social institutions that impact society? Economy, government, religion, education, and public

    asked by mace
  47. Maths

    The number 1000 can be written in several ways as a sum of one or more consecutive positive integers, for instance, 1000=1000 (one summand) or 1000=198+199+200+201+202 (five summands). Find the largest possible number of summands in a representation of

    asked by HELP!!
  48. Algebra

    A test consist of 15 multiple choice questions, 12 true-false questions and 10 fill in the bland questions. you got 8 questions wrong. what percent of the answers were correct?

    asked by Kevin
  49. physical science

    if the maximum amount of water vapor in the air at 15 degrees c is 12.5 g/m^3, what is the actual amount of water vapor in the air if the relative humidity is 85.0%

    asked by leeah
  50. science

    a car of mass 100 kg traveling at 72 km/hr is brought to rest by applying the brakes.assuming that the kinetic energy of the car becomes transferred to internal energy in four steel brakes drum of equal mass, fine the rise in temperature of the drums if

    asked by ing-marie
  51. HISTORY

    If you were going to compare & contrast FDR and LBJ what aspects of their lives would you compare what aspects would you contrast. I am writing a paper on them and what to get some ideas and see what other people think is important, in the end I will

    asked by renee
  52. Physics help

    You are watching a marching band practice outdoors. Near you are two trumpet players, one marching directly towards you and one away from you at the same speed. Each trumpet player is playing an A (440 Hz) and you hear a beat between the two sounds at a

    asked by Mathslover Please help
  53. Life Orientation

    1.a. Fisrt identify one environmental or human factor that causes ill health. In 10-15 lines discuss 5 ways in which the human or environmental problem impacts on the community. Provide relevant sources to support your claims.(10) marks. 2.b. Provide

    asked by Rirhandzu Molea
  54. math

    Given that a sports arena will have a 1400 meter perimeter and will have semi- circles at the ends with a possible rectangular area between the semi-circles, determine the dimensions of the rectangle and semi-circles that will maximize the total area.

    asked by sunny
  55. Math

    Cantaloupe is priced at $0.69 per pound. If a cantaloupe weighs 3.241 pounds, how much will it cost? Round to the nearest cent.

    asked by Colleen
  56. calculus

    16. Given the following information, determine the constant speed, travel time, and cost that represent the minimum one-way trip delivery cost. Fuel costs per hour are equal to V^2/600 V is the speed in miles per hour Driver (labor) costs are $10 per hour

    asked by James
  57. math

    the probability that a radomly chosen potential customer will make a purchse is 0.20if a sales man calls on 6 customers .what is the probabilty they will make exactly 4 sales

    asked by collins
  58. maths

    The magnitude of an earthquake with intensity I is measured using a seismograph. The intensity I is converted into the Richter scale number using the following formula R=log10I. An earthquake in Town A was measured 3 on the Richter scale, while the

    asked by hemant
  59. statistics

    According to the Census Bureau's 2002 American Community Survey, the average travel time to work of workers 16 years and over living in Boston, MA, who did not work at home, was 28.2 minutes with a standard deviation of 0.79 minutes. A sample of 35 commute

    asked by ali awan
  60. physics

    How does the radiant energy from an incandescent solid differ from the radiant energy emitted by an excited gas?

    asked by Emilie
  61. Grammar

    For each of the following sentences, choose the correct pronoun from the pair given in parentheses. 1. We are going to play stickball in the street. (Who, Whom) would you like to play first base? 2. The best pitcher would be (who, whom)? 3. (Who, Whom)

    asked by Anonymous
  62. math

    A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leaves the same port at 1:00 PM and sails North at a speed of 20 miles/hour. At what time are the two ships going to be 50 miles apart from each other? (Hint:

    asked by Anonymous
  63. Honors Trig

    a plane is flying in the direction of 190 degrees with an air speed of 400 mph. Its course and ground speed are 200 degrees and 350 mph respectively. What is the speed and direction of the wind?

    asked by Sheryl
  64. calculus

    16. Given the following information, determine the constant speed, travel time, and cost that represent the minimum one-way trip delivery cost. Fuel costs per hour are equal to V^2/600 V is the speed in miles per hour Driver (labor) costs are $10 per hour

    asked by James
  65. calculus

    hi im back.. solve cosx= (squareroot3)/ 2 where 0

    asked by Maria
  66. math

    A cubiod has a lenght 13cm wit 9cm and height 8cm calculate surrface area

    asked by Chisom
  67. maths

    The squares of a 3×3 board are randomly coloured black or white. Let W be the number of white squares and B the number of black squares. The expected value of |B−W| can be expressed as ab where a and b are coprime positive integers. What is the value of

    asked by hemant
  68. statistics

    According to a Gallup Poll conducted in March of 2009, 38% of American adults polled believe that global warming will pose a serious threat to them or their way of life in their lifetime. Assuming a sample size of 1000, calculate a 95% confidence interval

    asked by ali awan
  69. math

    If you put me into 7 equal groups with 3 in each group and 5 left over,, what number am I?

    asked by shawn
  70. fanince

    ) A thirty-year U.S Treasury bond has a 4.0 percent interest rate. In Contrast, a ten-year Treasury bond has an interest rate of 2.5 percent. A maturity risk premium is estimated to be 0.2 percentage points for the Longer maturity bond. Investors expect

    asked by jasom
  71. Math

    A pen costs twice as much as a pencil. If Susan spends $ 1.50 for a pen and a pencil, how much does a pencil cost ?

    asked by Sadia
  72. english

    The tried and true methods quite often can't be beat.

    asked by vic
  73. Psychology

    Sound which impinges on the inner ear and the auditory nerve arrives as a fairly meaningless stimulus. At this point, it should be viewed as: (Points: 5) perception. sensation. an auditory stimulus item. free of environmental noise. I believe it is

    asked by angela
  74. physics

    An adult and a child are on a seesaw 14.5 ft long. The adult weighs 152 lb and the child weighs 80 lb. How many feet from the child must the fulcrum be placed so that the seesaw balances?

    asked by Anonymous
  75. US History

    What theory was President Reagan's economic program based on?

    asked by Heaven
  76. statistics

    According to CreditReport, the mean credit score in Georgia for 2007 was 668. Suppose that a hypothesis test is conducted to determine whether the mean credit score in Georgia has decreased since that time. Describe what a Type I error would mean in the

    asked by ali awan
  77. WorldHistory

    Human Origins Essay Significant consequences of the Agricultural Revolution; There are multiple consequences from the Neolithic Agricultural Revolution. It created a drastic increase in population, it was the beginning of domesticating animals, and new

    asked by (;
  78. math 12

    the height of a ball is modelled by the equation h(t)= 4sin (8 pie t)+ 6.5 where h(t) is in metres and t is in seconds. what are the highest and lowest points the ball reaches? a) 10.5 m and 6.5m b) 10.5m and 2.5m c) 6.5m and 2.5m d) 14.5m and 6.5 m

    asked by i hate math part 2
  79. math

    A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leaves the same port at 1:00 PM and sails North at a speed of 20 miles/hour. At what time are the two ships going to be 50 miles apart from each other? (Hint:

    asked by Anonymous
  80. math

    A ship leaves a port at 12:00 Noon and sails East at speed of 10 miles/hour. Another ship leaves the same port at 1:00 PM and sails North at a speed of 20 miles/hour. At what time are the two ships going to be 50 miles apart from each other? (Hint:

    asked by Anonymous
  81. statistics

    A study performed by Bridge Ratings found that in 2006, 58% of respondents said they use a cell phone while traveling in a vehicle (the survey participants were restricted to individuals who spent at least one hour per day commuting in their vehicle). For

    asked by ali awan
  82. Pre Calculus

    How are the factors of a polynomial related to the x-intercepts of a polynomial? How do you find the x-intercepts given the factors?

    asked by Shonda
  83. math

    You cut square corners from a piece of cardboard that has dimensions 32 cm by 40 cm. You then fold the cardboard to create a box with no lid. To the nearest centimeter, what are the dimensions of the box that will have the greatest volume?

    asked by taylor
  84. Statistics

    In roulette, the bet on a “split” pays 17 to 1 and there are 2 chances in 38 to win. The bet on “red” pays 1 to 1 and there are 18 chances in 38 to win. Compare the following two strategies: A: bet $1 200 times (independently) on a split B: bet $1

    asked by Din123
  85. Math

    Divide. Write in simplest form. 5. 1/3 divided by 2/5=5/6 6. 1/9 divided by 1/2=2/9 7.2/3 divided by 1/4=8/3=2 2/3 8. 1/2 divided by 3/4=4/6=2/3 9. 4/5 divided by 2=1 3/5 10. 4/5 divided by 1/10=40/5=8 11. 5/12 divided by 5/6=30/60=1/2 12. 9/10 divided by

    asked by Jerald
  86. Business Finance

    A bond has a $1,000 par value (face value) and a contract or coupon interest rate of 10.1%. The bonds have a current market value of $1,126and will mature in 10 years. The firms marginal tax rate is 34%. The cost of capital from this bond debt is ____%

    asked by Jay
  87. Math

    The admission ticket of an amusement park is $50 per head, and there is a 30% discount for a group of equal or over 30 people. What is the minimum size of a group that would rather buy the 30 people group tickets, as that is the cheaper option?

    asked by Mathslover Please help
  88. physics

    Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its

    asked by mattheaus
  89. Service management

    An outpatient clinic has kept a record of walk-in patients during the past year. The table below shows the expected number of walk-ins by day of the week: The clinic has a staff of five physicians, and each can examine 15 patients a day on average. a. What

    asked by Kevin
  90. statistics

    Using the results of a Newsweek poll conducted in March of 2009, a 90% confidence interval on the proportion of adult Americans who have a favorable opinion of Barack Obama is given by (0.699, 0.741). What is the margin of error?

    asked by ali awan
  91. chemistry

    a gas occupies 37.6 L at 2.00 atm pressure and 27C degrees. how many moles of gas are present in this sample

    asked by barbra
  92. statistics

    11. Suppose we are estimating m. What happens to the required sample size as the population standard deviation increases while the confidence level and desired margin of error remain constant? A) It increases. B) It decreases. C) It does not change.

    asked by ali awan
  93. life orientation

    provide recommendations on how to address the topic that you identified in the previous question

    asked by lindelwa
  94. Physics Someone help please!

    An example of the neutron absorption reaction is . 1 0 n+10 5 B-->7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^-27 kg. calculate Q Q= in MeV I have the same

    asked by Amy
  95. math

    a cylinder can of coca has the dimensions of base 7in and height 5 inches. what is the approximate surface area available for the label?

    asked by Hannah
  96. statistics

    students who learned English as well as another language simultaneously score worse on the SAT critical Reading exam than the general population of test takers? The mean score among all test takers on SAT Critical Reading exam is 501 A random sample of 100

    asked by shannon
  97. Math

    Adam can run a lap on a certain circular track in 50 seconds. Grampy Sampy can run a lap on this track in 90 seconds. They start at the same location at the same time and move in the same direction. If they each run at a constant speed, how many seconds

    asked by Nate Williams
  98. calculus

    A kite with a string 80 feet long makes an angle of elevation of 40 degrees with the ground, assuming the string is straight how high is the kite? round your answer to the nearest foot

    asked by Lizzi
  99. calculus

    Given ensuing information, determine the least cost and the least cost mix of on- and off-shore pipe. The intake facility is in the water 2 miles vertically north of the shoreline The water filtration plant is on land 1 mile vertically south of the

    asked by James
  100. Probability

    You roll two dice. What is the probability that the sum of the dice is even and one die shows a 4? A 6x6 table of dice outcomes will help you to answer this question. A. 1/6. B. 5/18. C. 2/3. D. 5/36.

    asked by so confused!
  101. life oriantation

    in 10-15 lines critically discuss 5 ways in which health problem impacts on the community

    asked by hazel
  102. physics

    Two parallel narrow slits are at a distance of 0.840 mm apart. Each of them has a width of 0.140 mm. The double slit is illuminated with parallel light of wavelength 546.1 nm. (a) Find the ratio of the intensity of the central maximum to that of its

    asked by mattheaus
  103. Trig

    Use sum and difference identitites to find the exact value of co 15 degrees

    asked by Christy
  104. REFLECTION AND OBSERVATION

    Which one of the following statements uses language best to present a clear picture of a child's behavior?

    asked by Anonymous
  105. math

    It has been found that the average IQ score of students is 115 with a stanard deviation of 6. Find the probability that a random selected student will have an IQ score above 119. Assum the IQ scores are normally distributed.

    asked by D. Hearn
  106. PreCalc

    If tan theta = 9/5 and cot omega = 9/5 Find the exact value of sin (omega-theta)

    asked by Joel
  107. WorldHistory

    This isn't the paper. But, it's 3main topics I think are the significate conquences. significant consequences of the Agricultural Revolution -Technology -Population -Weather

    asked by (;
  108. calc

    15. Given ensuing information, determine the least cost and the least cost mix of on- and off-shore pipe. • • • • The intake facility is in the water 2 miles vertically north of the shoreline The water filtration plant is on land 1 mile vertically

    asked by Ryan
  109. Math Help

    Four players are playing a game involving choosing positions on a grid of size 3×8. Each player chooses a random position on the grid, then all players reveal their choices and a token is placed on each of the positions. The probability that the tokens

    asked by Mathslover Please help
  110. ENGLISH

    15. Which of the following sentences contains a verb in the simple past tense? A. Jenna has driven this route multiple times. B. I was working overtime for about six months. C. We helped Joan to pack her things. D. She would like to join us. I THINK ITS C

    asked by NANA
  111. Math

    Ruthie has 10 coins, all either nickels, dimes, or quarters. She has N nickels, D dimes, and Q quarters, where N, D, and Q are all different, and are each at least 1. Amazingly, she would have the same amount of money if she had Q nickels, N dimes, and D

    asked by Nate Williams
  112. math

    A cubiod has a lenght 13cm wit 9cm and height 8cm calculate surrface area

    asked by Chisom
  113. math 12

    the productivity of a person at work (on a scale of 0-10) is modeled by a cosine function: 5cos (pie/2t) +5, where t is in hours. If the person starts work at t=0, being 8:00 am, at what times is the worker the least productive? a) 12pm B) 10 am and 2pm C)

    asked by i hate math
  114. chemistry

    a sample of oxygen gas has a volume of 7.64 L at a temperature of 19C and a pressure of 1.38 atm. Calculate the moles of O2 present in this gas sample

    asked by barbra
  115. statistics

    10. Using the results of a Newsweek poll conducted in March of 2009, a 90% confidence interval on the proportion of adult Americans who have a favorable opinion of Barack Obama is given by (0.699, 0.741). If everything else is the same, but the confidence

    asked by ali awan
  116. Discrete Math

    Let f : R R→Z be the closed binary operation defined by f (a, b) _ _a + b_. (a) Is f commutative? (b) Is f associative? (c) Does f have an identity element?

    asked by Mike
  117. chemistry

    A. Find and list all of the different half- cell combinations. Hint 15 combinations! 1. Copper/ Cu2+ 2. Lead/ Pb2+ 3. Magnesium/ Mg2+ 4. Zinc/ Zn2+ 5. Iron/Fe2+ 6. Aluminum/ Al3+ B. write the half reactions of each combination and the overall redox

    asked by Chloe
  118. grade 12

    describe the life style disease/ behaviour and explain 5 factors that contribute to cancer of the gullet.

    asked by maponya tshegofatso
  119. Math

    d/dx 1/cos[3cosx-2sinx)/sqrt3]

    asked by Arvind
  120. Geometry

    A=5 and c=√10, then b=?

    asked by lu
  121. math

    can someone help me in finding the process in finding the area for a triangle, trapezoid, circle and rectangle

    asked by Jenny
  122. Psychology

    Although someone who is hypnotized may be compliant and susceptible to suggestion, it is clear that: (Points: 5) they are pretending and know exactly what they are doing. they will be able to recall the directions and events which took place after they

    asked by angela
  123. Science

    A constrained string with a length of 8.5 meters is vibrating at its fundamental frequency of 113.1 Hz. What is the frequency of the 7th harmonic on this string?

    asked by Anjali
  124. Math

    Find the reciprocal of each number. 1. 2 1/2 2. 1/6 6/1 3. 4/11 11/4 4. 3/5 5/3

    asked by Jerald
  125. English

    At first, only adults played with the yo-yo. What effect did this have on the adults?

    asked by Anonymous
  126. stats

    It was thought that students who dressed more neatly received better grades. To test this idea, a researcher rated each student on neatness of dress and obtained their grades on a standard school achievement test. The data are presented below. Higher

    asked by Anonymous
  127. trig identities

    Find the exact value of cos (2theta) given csc theta = 8/3 and 0 < theta < pi/2

    asked by Sean
  128. Finance

    Calculate the future value of $5000 given that it will be held in the bank for 6 years and arn an annual interest rate of 7%.

    asked by Jeff
  129. Physics Help

    Consider a glass with full of water of mass density ρ=1,000 kg/m3 and height h=20 cm. There's a circular hole in the bottom of the glass of radius r. The maximum pressure that pushes the water back into the hole is roughly (on the order of) p=σ/r, where

    asked by Mathslover Please help
  130. Maths Help

    A,B,C,D,E,F are 6 consecutive points on the circumference of a circle such that AB=BC=CD=10,DE=EF=FA=22. If the radius of the circle is √n, what is the value of n?

    asked by Mathslover Please help
  131. physics

    a car is moving with a uniform speed of 72km/h .The driver sees a child at a distance of 50m. he applies brakes to stop the car just before the child. Calculate the acceleration.

    asked by Anonymous
  132. English

    Dave hoped that Steve and ____ would win the tennis tournament Him Himself He His

    asked by Harold
  133. Maths

    Suppose a and b are positive integers satisfying 1≤a≤31, 1≤b≤31 such that the polynomial P(x)=x3−ax2+a2b3x+9a2b2 has roots r, s, and t. Given that there exists a positive integer k such that (r+s)(s+t)(r+t)=k2, compute the maximum possible value

    asked by HELP!!
  134. geometry!!! please help me!!!!

    Determine the least positive integer n for which the following condition holds: No matter how the elements of the set of the first n positive integers, i.e. {1,2,…n}, are colored in red or blue, there are (not necessarily distinct) integers x,y,z, and w

    asked by sanji
  135. probability

    According to genetic theory, plants of a particular species have a 25% chance of being red-flowering, independently of other plants. Find the normal approximation to the chance that among 10,000 plants of this species, more than 2400 are red-flowering.

    asked by Anonymous
  136. statistics

    2. We would like to test whether the population mean is less than 40. Suppose that a hypothesis test is conducted to determine if the mean of the population has decreased or not. Describe what a Type II error would mean for this example. A) Reject H0 when

    asked by ali awan
  137. life orientation

    3 environmental health hazards that cause ill health , crises and or disasters within your community or elsewhere in south Africa and globally

    asked by Anonymous
  138. statistics

    The National Coalition on Healthcare suggests that the mean annual premium that a health insurer charges an employer for a health plan covering a family of four averaged $12700 in 2008. A sample of 30 families of four yield a mean annual premium paid by

    asked by ali awan
  139. statistics

    4. The Pew Research Center reported that 57% of Americans favored the Wall Street bailout of 2008. A random sample of 300 people showed that 155 people favored the bailout. If appropriate, test whether the population proportion of Americans is different

    asked by ali awan
  140. statistics

    6. Which distribution has the larger mean? i) t distribution, (df = 30) ii) standard normal distribution A) i) B) ii) C) They are the same.

    asked by ali awan
  141. math

    if you have two thirds of lace and another pattern calls for five ninths of lace,how much more did the first pattern call for?

    asked by rose
  142. 4th grade english

    i need help diagramming subjects,predicates,adjectives and adverbs

    asked by jordyn
  143. statistics

    A study involving the economic burden of congestive heart failure found that the lengths of hospital stays for patients had a mean of 7.8 days with a standard deviation of 9.1 days. For random samples of size 40, find the sample mean length of stay that is

    asked by ali awan
  144. Math

    So the questions was-->Factor the following algebraic equation and describe the process by which it is done: x²+ 3x – 10 = ? I solved the questions correctly but my teacher said I need to show it algebraically not arithmetically. & she said that I need

    asked by Jenny
  145. programming

    draw a flowchart and write a program and pseudocode that prompts the user for a starting balance and then prints the number of years it takes to reach 100000 and also number of years it takes to reach 1000000

    asked by maria
  146. Math

    We first note how the polynomial in the previous exercise can be written in the nested multiplication method: 8 + x(−10 + x(7 + x(−2 + x(3 + 12x)))). Using this representation, the following pseudocode procedure (implementing Horner’s method) can be

    asked by Darah
  147. math

    what is the new volume of a rectangular prism that is originally 12 cubic meters and is them resized using scale factor of 4 on each side length?

    asked by Anonymous
  148. Physics

    Ey=E0sin(kx−ωt), Ez=4E0sin(kx−ωt), the magnetic field can be written in the following way B =[ sin(ωt+(−1)bBkx)(cBxˆ+dByˆ+eBzˆ)] In other words: Bx=cBsin(ωt+(−1)bBkx), By=dBsin(ωt+(−1)bBkx), Bz=eBsin(ωt+(−1)bBkx) Find : dB . Express it

    asked by amit sharma
  149. Physics

    At the upper surface of the earth's atmosphere, the time-averaged magnitude of the Poynting vector is referred to as the solar constant and is given by =1.35×103W⋅m−2 . (a) If you assume that the sun's electromagnetic radiation is a plane sinusoidal

    asked by amit sharma
  150. Physics

    An optical fiber is a flexible, transparent fiber devised to transmit light between the two ends of the fiber. Complete transmission of light is achieved through total internal reflection. This problem aims to calculate the minimum index of refraction n of

    asked by amit sharma
  151. maths-

    When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.

    asked by anoynomous
  152. MATH Calculus Homework

    Find the area of the region between the curve y^2=4x and the line x=3.

    asked by Prue
  153. Pre Calculus

    How does even multiplicity impact a graph?

    asked by Deontre
  154. Math

    How much farther did chris run on thursday than on wednesday? If he run 3 5/8 on thursday an 1 1/4 on wednesday

    asked by Luis
  155. Calculus

    Using the equation x(t)= t^3 - 12t + 1, find the displacement during the first 3 seconds. And then find the velocity during the first 3 seconds. See, I know how to find velocity, but there's a question after that that says to find velocity when t=3...so

    asked by Millie
  156. Physics

    Consider the stability of a ladder of mass m and length L leaning against a wall. A painter wants to be sure the ladder will not slip across the floor. He knows that the frictional force exerted by the floor on the bottom end of the ladder is needed to

    asked by R
  157. Psychology

    When physical energy has resulted in a response in a sense organ, it is clear that: (Points: 5) perception has taken place. the activation is the result of stimulus. the brain has interpreted the event. a single isolated sense is now perceiving the event.

    asked by angela
  158. Psychology

    As a scientist, Carl is concerned with the intensity of lights in the modern human environment. In his research project, Group A consists of volunteers who have agreed to sleep each night for a week with a 150 watt light bulb hanging over their bed. Group

    asked by angela
  159. Psychology

    In a classroom experiment, students were asked to place one paper clip in each hand. They were then instructed to add paper clips to the left hand until they were certain that the clips in the left hand weighed more than the paper clips in the right hand.

    asked by angela
  160. Psychology

    A physiological support of hypnosis as a different state of consciousness is: (Points: 5) rapid eye movement initiated when a person is hypnotized. a change in the electrical activity of the brain in hypnosis. the sense of time removed. reaction time slows

    asked by angela
  161. social studies

    the federal system info on national government (enumerated powers). info on state government (reserved powers) info on both (concurrent powers)

    asked by anonymous
  162. Life science

    How does the sun allow you to Run the mile

    asked by Bob
  163. L.o

    Identify and describe 3 enviromental health hazards that cause ill health .crises,and or disasters within your community within south africa and globally.

    asked by Matseleng moyana
  164. Physics to Elena

    Estimate the total binding energy for copper. 550 MeV Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons. E= in Joules Please help me out I got 1st part I need the Energy in joules am confused please help me

    asked by Leila
  165. Math

    Do you need to regroup to find product of 34 and 3? Explain

    asked by Lee
  166. english

    Make up an alliterative headline for each of these newspaper reports.a)A man is attacked by a shark..b)The local library burns down..c)A cat is rescued from a tree by the fire brigade.

    asked by kina
  167. life orientation

    please i need an answer for , In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on community. provide relevent sources to support your claims.

    asked by Lehlogonolo M.R
  168. Science

    Please for diagrams to show the terms associated in the study of levers.

    asked by Divine
  169. English

    While I like bacon, it is not good for me. Sentence fragment Comma splice Run on sentence Complete sentence

    asked by Harold
  170. life orientation

    critically discuss 5 ways in which the human or environmental problem impacts on the community.provide relevent sources to support your claims

    asked by yoliswa mhlanga
  171. calculus

    Given ensuing information, determine the least cost and the least cost mix of on- and off-shore pipe. -The intake facility is in the water 2 miles vertically north of the shoreline -The water filtration plant is on land 1 mile vertically south of the

    asked by James
  172. Math

    I have a question that i've worked through but can't seem to figure out how to converge it to kg. A trail mix contains a 4: 7 ratio of raisins to peanuts. How many kilograms of raisins are there if there are four kilograms of peanuts in the mix? 4/7 X x/4

    asked by Jenny
  173. Spanish

    The 1st Sentence is me trying to do the work and the second is the actual paragraph. I am trying to put the verb form into preterite or imperfect can you see if i am right? Thanks erase una vez una nina hermosa que se llamaia Capercuita roja todos los

    asked by Kevin
  174. social studies

    why might the usa see strategy in the pacific islands?

    asked by Anonymous
  175. life orientation

    5 ways in which the human or environmental problem impact on the community on Hiv&aids

    asked by Emily
  176. english

    Fable for tomorrow This town does not actually exist, but it might easily have a thousand counterparts in America or elsewhere in the world. I know of no community that has experienced all the misfortunes I describe. Yet every one of these disasters has

    asked by mandy
  177. Physics help

    A motorbike starts from rest at time t=0 and begins to accelerate around a circular track as shown in the figure below. Eventually, at time t=t1 the motorbike reaches the maximum velocity possible without slipping off the track. What's the minimum length

    asked by Mathslover Please help
  178. physics

    An example of the neutron absorption reaction is . 1 0 n+10 5 B-->7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^-27 kg. calculate Q Q= in MeV I have the same

    asked by Amy
  179. ENGLISH

    12. Which of the following lists demonstrates various tenses of an irregular verb? A. I call, I called, I will call B. I walk, I walked, I will walk C. I try, I tried, I will try D. I go, I went, I will go

    asked by NANA
  180. Algebra

    Square root 18 + (3/square root 2)

    asked by Brittany
  181. trig

    The angle of depression as measured from the top of a 41 foot tower to a reference point on the ground is 65 degrees. How far away, to the nearest foot, is the reference point from the base of the tower?

    asked by Anonymous
  182. Math

    Spent 6 hrs at school, spent 2/3 of an hour at lunch, 2/3 of an hour at an assembly, rest of the time in class, how much time was spent in class

    asked by Anonymous
  183. science

    there is technology day celebration in our school. I have to give a speech on a new technology that has developed recently and very rarely known. Please give me some ideas.

    asked by edward
  184. Math

    If (8+√19)/(8−√19)=(a/c)+[(b/c)*√19], where a and c are coprime positive integers, and b and c are coprime positive integers, what is a+b+c?

    asked by Mathslover Please help
  185. life orientation

    identify one enviromental or human factor that causes ill health, accident crises, and disaster within your community

    asked by gift
  186. US History

    Why did President Reagan aim to reduce government regulations?

    asked by Heaven
  187. Physics sorry for reposting but I really need help

    An example of the neutron absorption reaction is . 1 0 n+10 5 B-->7 3 Li+ 4 2 He The rest masses of each particle in atomic mass units (u) are 1 0 n= 1 u 10 5 B=10 u 7 3 Li =7 u 4 2 He= 4 u where 1u=1.66x10^-27 kg. calculate Q Q= in MeV I have the same

    asked by Amy
  188. maths

    Proof this identities. (a) sin x cot x = cos x

    asked by Shane
  189. maths

    The squares of a 3×3 board are randomly coloured black or white. Let W be the number of white squares and B the number of black squares. The expected value of |B−W| can be expressed as ab where a and b are coprime positive integers. What is the value of

    asked by su
  190. Soc Stu 9

    A union is a group of worker who band together to have a better chance to obtain higher pay and better working conditions. Using this definition of a union, what are some examples of the first Unions formed? I search all over the internet, and it's not in

    asked by Bridgett
  191. trigonometry!!! please help me guys!!!

    For a parameter a, suppose u is the smallest positive real number such that 100cos^2u−100sin^2u=a+25 and v is the largest negative real number such that 25√3sinv−75cosv=a. For how many integer values of a is u+v non-negative?

    asked by roronoa zoro
  192. statistics

    5. What happens to the width of our confidence interval for m if we increase the sample size but keep the confidence level the same? A) It increases. B) It decreases. C) It stays the same. D) It depends on the sample mean and standard deviation.

    asked by ali awan
  193. math

    5 is half of my factor. the sum of my digits is four. i'm between 30 and 100. what number am i?

    asked by lia
  194. statistics

    12. Suppose we are estimating p and we have no prior estimate of p. Find the required sample size for a confidence level of 90% and a margin of error of 0.02.

    asked by ali awan
  195. Pre-Calculus

    How does even multiplicity impact a graph?

    asked by Deontre
  196. History

    What caused the SNCC to have negative feelings toward Martin Luther King, Jr.? Give two reasons.

    asked by Patricia
  197. PHYSICS

    A SPRING WITH A CONSTANT K = 8N/m IS STRETCHED 5CM AND RELEASED. IT BOBS UP AND DOWN EVERY 2.5 SECONDS. WHAT IS ITS FREQUENCY, PERIOD, ABD AMPLITUDE

    asked by SAN
  198. History

    Explain a few of the National Urban League’s social services and what they entailed.

    asked by Patricia
  199. math

    15. 3/8 divided by 9=1/24 17. 2/5 divided by 4/7= 7/10 19. 6/7 divided by 3/11= 3 3/21 21. 5/6 divided by 5/12= 2 23. 7/9 divided by 1/7= 5 4/9 35. 3/5 divided by 9/11=33/45

    asked by Jerald
  200. statistics

    Merchandise inventory purchases for a firm for a three-month period are: January: 2,000 units @ $12 per unit; February: 1,800 @ $14 per unit; March 2,600 units @ 15 per unit. What is the mean unit cost of merchandise inventory?

    asked by Anonymous
  201. Physics

    A wave solution to Maxwell's Equations is given by E⃗ =E0xˆcos(5.0 z)cos( 1.03e11 t) where z is measured in centimeters and t in seconds. (a) What is the wavelength (in rad/meter) of the wave? (b) What is the index of refraction, n, of the medium? (c)

    asked by amit sharma
  202. Geometry

    A=5 and c=√10, then b=?

    asked by lu
  203. Physics

    Write down the electric field and associated magnetic field in vacuum for a traveling plane wave with the following properties. The amplitude of the electric vector is E0 and the frequency is ω. The radiation is linearly polarized in the y-z plane at an

    asked by amit sharma
  204. agricultural sciences grade12

    Otline and explain the objective of fencing fsrm land

    asked by Dinanah
  205. re: geometry

    A=5 and c=2√10, then b=?

    asked by lu
  206. MATH

    WHAT IS PLACE VALUE AND VALUE REPRESENT

    asked by Anonymous
  207. statistics

    plain type fonts such as times new roman are easier to rean than fancy fonts such as gigi. a group of 25 voulunteer subjects read the same text in both fonts. (this is a matched pairs design. One-sample procedures for proportions, like those for means, are

    asked by Savanah
  208. calculus

    what is volume of each drop (US unit)?

    asked by vahid
  209. english

    Complete each sentence so that the meaning of the italicized abstract word is made more concrete. (Each question is worth two points) 7. The party was a lot of fun. We 8. Tony is a kind boy who is apt to 9. That day I was so worried that I

    asked by vic
  210. Pre Calculus

    Solve 2cos^2(2x)=1 I divided both sides by 2 and got this cos^2(2x)=1/2 But then I didn't know what to do after that... The part that has me stumped is that it's a cos^2(2x) not just a cos^2x. Any advice on what I should try next?

    asked by Chris
  211. CALCULUS

    lim x->2 f(x) where f(x) = { x^2-x-2/ 3x-6 , x2} is f(x) continuous at x = 2 ? explain..

    asked by RAY
  212. CALCULUS

    Lim x->4 (x^2+3x+4)/5x-12

    asked by RAY
  213. Life orientation

    How do poor sanitary affecf the community?

    asked by Tiny
  214. Psychology

    Barry knew Alice was tired, but he was surprised that the argument between their three-year-old twin boys did not awaken her. She had not been asleep very long and occasionally changed her position, but did not wake. Alice is probably in: (Points: 5) stage

    asked by angela
  215. math

    A sample of size 100 is taken resulting in a standard deviation of 3. Construct a 95% confidence interval for the population variance.

    asked by Jewelz
  216. English(MAcbeth)

    why is fair is foul and foul is fair a paradox and is it a motif. I believe its a motif because it keeps repeating in the story. WHy is it a paradox.

    asked by Maya
  217. CALCULUS

    Lim x->4 (x^2+3x+4)/5x-12

    asked by RAY
  218. calc

    x^2 + √(x+y) + y^2 = 0; y is a differentiable function of x

    asked by Sunny
  219. Science

    Please explain the terms associated with the study of levers.

    asked by Divine
  220. life orientation

    describe the lack of physical fitness and 5 factors that contribute to the disease?

    asked by cwengile
  221. none

    If a car with two passengers go off a cliff that is 100 feet over a river of water, what is the best way to land?

    asked by fadell
  222. gov

    what was the lower courts decision of the terry v.s ohio case?

    asked by hannah
  223. Physics!

    The activity of a sample of 35(upper#) 16(lower#)Sulfer (T 1/2= 7.55x10^6 s) is 2.51x10^5 decays per second. WHat is the mass of the sample? m= in grams PLease help me out...Thank you! :)

    asked by Leila
  224. L.o

    5 ways in which the human or environmental problem impacts on the community

    asked by Nonyamezelo
  225. Math

    Divide write in simplest form 13. 3/4 divided by 7/12=1 3/28 14. 9/10 divided by 9= 8 1/0 15. 2/3 divided by 5/8=1 1/5 16. 4 divided by 7/9=9/28

    asked by Jerald
  226. maths-polynomials

    When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.

    asked by anoynomous
  227. writing

    im writing a research report on Marilyn Monroe, not sure how I should write it out cause of all the info. about her.i cant write it all! should I?

    asked by jada
  228. Math

    10. 9/10 divided by 1/2= 1 4/5 12. 8 divided by 4/5=1/4 14.9/10 divided by 1/4= 3 3/5 16. 9/10 divided by 3/4= 1 6/30 18. 15 divided by 5/9= 1/27

    asked by Jerald
  229. Math

    Find the value of each expression if x= 1/4 y= 3/5 and z= 2/3 28.z divided by 2 1/3

    asked by Jerald
  230. English

    When one buys insurance, you need to be clear about your needs Pronoun shift in number Pronoun shift in person Ambiguous reference No error

    asked by Harold
  231. math

    integrate (x^2 + 2x + 5) / (x - 2)

    asked by sunny
  232. How do you submit your URL?

    I'm trying to post a question. But they have graphs on them. But I can't submit the graph on the question because it doesn't allow it? Why is that.

    asked by Rebekah
  233. Math

    12. 8 divided by 4/5=10 16. 9/10 divided by 3/4=36/30 18. 15 divided by 5/9=27

    asked by Jerald
  234. Math

    Picture is 12 inches high, frame is 3/4 of an inch wide at all points, how many inches high are the picture and the frame together?

    asked by Pinky
  235. MATH

    Solve the differential equations? (calculus) a) square root cotany/ (1+x^2)sin^5y dy/dx = e^x^3 +3x/ square root cotany b) y^2/cosx dy = e^sinx/ e^y^3-1 dx

    asked by RAY
  236. english

    A lorry has shed its load of fruit on the motorway.The traffic is a standstill.No one has been hurt. How to write a headline for this report?

    asked by kina
  237. Math Help

    Two points are chosen uniformly at random on the unit circle and joined to make a chord C1. This process is repeated 17 more times to get chords C2,C3,…,C18. What is the expected number of pairs of chords that intersect?

    asked by Mathslover Please help
  238. maths

    find the place value and value of the 5 in the number 643.758

    asked by Anonymous
  239. agriculture

    what are the objectives of fencing a farmland?

    asked by neo
  240. math

    game show 6 blocks 3-blue worth $5,2-red blocks worth $10, and 1-yellow block worth $50. Suppose 24 contestants choose and replace a block. How much money can the game show expect to pay out?

    asked by Anonymous
  241. Math

    Having a problem writing an expanded number in notation in descending order. Ex. 92,563,174. I know the placements and the number but have a problem when it comes to write it. Can you please help. I would appreciate an example so much.

    asked by Help Please
  242. Ms.Sue

    Ms.Sue, do you know how to do calc?

    asked by James
  243. pre calc

    how do u solve for x and y of x+2y=7 2x+y=8 using matrix without using a calculator

    asked by pink
  244. Math

    1/3 of plants on sale, of the plants on sale, 1/4 are rose bushes, 1/6 are spider plants and 1/6 are lilies, what fraction of the plants are discounted rose bushes, spider plants, or lilies

    asked by Pinky
  245. US History

    What were the effects of Reagans increased spending on US defense to counter Soviet threats?

    asked by Heaven
  246. Math

    The surface area of a bucket is 6,176cm^2. What is the surface area of a similar bucket that is smaller by a scale of 1/4?

    asked by Hunter
  247. Us history

    What does this mean, "Franklin was to the United States as bacon was to England" please help thanks.

    asked by Eleanor
  248. chemistry

    please i need example of hno3 cuo

    asked by lucky
  249. Math

    The volume of a cone is 316in^3. What is the volume of a similar cone that is larger by a scale of 3?

    asked by Hunter
  250. Maths

    How many 3 digit numbers can be formed from the integers1,2,3,4,5 if digits can be repeated?

    asked by Tangcy
  251. Math

    DVD player 17 inches wide, protected by 3/4 inch of foam, placed in a carton that is 1/8 of an inch, how wide is the carton?

    asked by Pinky
  252. math

    Let AB be the diameter of circle Γ1. In the interior of Γ1, there are circles Γ2 and Γ3 that are tangent to Γ1 at A and B, respectively. Γ2 and Γ3 are also externally tangent at the point C. This tangent line (at C) cuts Γ1 at P and Q, with PQ=20.

    asked by hemant
  253. calc

    Integrate 1/(ln(x)); f(e^e)=1 please provide step! confused because of f(e^e)!

    asked by Sunny
  254. maths

    ABCD is a rectangle with AB=26, BC=11. X, Y and Z are points on AB, BC and CD, respectively, such that AX=BY=CZ=6. What is the area of triangle XYZ?

    asked by hemant
  255. maths-urgently needed

    When a number is divided by 7 and 9 , the remainder is 4 and 3. what will be the remainder of a same no. when it is divided by 37.

    asked by anoynomous
  256. maths

    Solve this equation. 3^2x - 3^x+2 = 3^x - 9

    asked by Shane
  257. maths

    Solve this logarithmic equation. 3 log 2 base x + log 18 base x = 2

    asked by Shane
  258. maths

    Solve this logarithmic equation. 3 log 2 base x + log 18 base x = 2

    asked by Shane
  259. maths

    solve this equation. log (2x + 1) base 2 = -3

    asked by Shane
  260. calculus

    Hi i have two questions: what is the exact value of cos 5(pie)/12? what is the exact value of cos2(pie)/9 cos(pie)/18 + sin2(pie)/9 sin(pie)/18? thank you

    asked by Maria
  261. Math

    This is gr 12 calculus btw I need helping in filling in the blanks/ -the angle formed at the centre of the circle by two radii is the _______ angle. -cos delta, sin delta, tan delta are known as the ___________trigonometric ration -cos (pie/2 - x)=sinx is

    asked by Thomas
  262. Math

    9. 5/6 divided by 1/3 11. 1/2 divided by 3/5= 5/6 13. 7/12 divided by 5/6=42/60=11/15

    asked by Jerald
  263. C/J

    The role of the defense attorney is to: A. decide the innocence of the accused. B. get his or her client off by whatever means. C. give the client every resource available to defend himself or herself within the limits of ethics and law. D. act as a legal

    asked by Emily