Questions Asked on
April 27, 2013

  1. physics

    2. At time t =0, the current to the dc motor is reversed, resulting in an angular displacement of the motor shaft given by θ = (198 rad/s)t – (24 rad/s2)t2 – (2 rad/s3)t3 a. At what time is the angular velocity of the motor shaft zero? b. Calculate

    asked by bruce
  2. Calculus

    A cylinder is inscribed in a right circular cone of height 5.5 and radius (at the base) equal to 2 . A) What are the dimensions of such a cylinder which has maximum volume? B) What is the radius? C) What is the height?

    asked by Michaela
  3. Chemistry

    A sample of argon gas at STP occupies 56.2 liters. Find the number of moles of argon and the mass in the sample

    asked by Emily
  4. math

    If a basketball player consistently shoots 80% from the free throw line and she takes 25 free throw shots throughout the course of a game, how many free throws can she be expected to make?

    asked by joyce
  5. physics 102

    An aluminum wing on a plane is 30.6 m long when the temperature is 20 oC. At what temperature would the wing be 0.06 m shorter

    asked by pocholo
  6. Chemistry

    Calculate the percent ionization of 0.140 M lactic acid in a solution containing 8.5×10−3 M sodium lactate.

    asked by John
  7. calculus

    A reservoir is in the form og the frustum of a cone with upper base of radius 8ft and lower base radius of 4 ft and altitude of 10ft. The water in the reservoir is xft deep. If the level of the water is increasing at 4ft/min., how fast is the volume of

    asked by Light
  8. Physics

    A pair of in-phase stereo speakers is placed side by side, 0.85 m apart. You stand directly in front of one of the speakers, 1.1 m from the speaker. What is the lowest frequency that will produce constructive interference at your location?

    asked by Meder
  9. Neurology

    Which of the following pairs of terms identify spaces that are roughly PERPENDICULAR (orthogonal) in the human brain (give or take 30 degrees or so)?

    asked by Anonymous
  10. Math

    One fourth of herd of goats was seen in the forest. Twice the square root of the number of the herd had gone up the hill and the remaining 15 goats were on bank of the river. Find the total number of goats. I got the equation to be x/4 + 2 root x + 15 = x

    asked by Steve
  11. physics

    A Martian rover is moving up a hill sloped at 30.0° with the horizontal. If it has a constant velocity of 1.50 meters/second, calculate its vertical displacement after 21.0 seconds.

    asked by dddddd
  12. College Physics

    A uniform meter stick of mass M has an empty paint can of mass m hanging from one end. The meter stick and the can balance at a point 19.9 cm from the end of the stick where the can is attached. When the balanced stick-can system is suspended from a scale,

    asked by Mimi
  13. Informal Logic

    In a survey of 10 film historians, half voted for Nosferatu as the greatest vampire film ever made, and the other half voted for Dracula. However, when asked which lead vampire character they considered more charismatic, all of the film critics chose

    asked by Donna
  14. Informal Logic

    Looking to increase the profits of his lemonade stand, Johann doubled the price of a cup of lemonade from 25 cents to 50 cents. This clearly shows Johann’s lack of business sense, for now he’ll almost certainly sell fewer cups at the new price and

    asked by Donna
  15. science

    At time t =0, the current to the dc motor is reversed, resulting in an angular displacement of the motor shaft given by è = (198 rad/s)t – (24 rad/s2)t2 – (2 rad/s3)t3 (15 marks) a. At what time is the angular velocity of the motor shaft zero? b.

    asked by bruce
  16. CPT Codes

    A 12-year-old boy presents with his father to the ER due to open wounds to his arm, hand, and upper leg. The injury occurred when the boy fell on a barbed-wire fence at the farm while running. Diagnosis: Multiple open wounds to the right forearm, right

    asked by Steve
  17. physics

    When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What effect does this have on the velocity of the emerging cannonball? (Do you see why long-range cannons have such long barrels?)

    asked by Chris
  18. Informal Logic

    11{2[3(11)35]}> Some politicians claim to support the environment in speeches they make around the country. However, to get to those speeches they ride in gas guzzling, pollution creating private planes. They therefore clearly don’t believe a word of

    asked by Donna
  19. L.o

    in 10-15 lines critically discuss 5 ways in which the teenage pregnancy impacts on the community

    asked by Sbusiso
  20. Physics

    Help please, Four charges are placed at the four corners of a square of side 15 cm.The charges on the upper left and right corners are +3 uC and -6 uC respectively. The charges on the lower left and right corners are -2.4uC and-9 uC respectively. The net

    asked by daryl
  21. Statistics

    Suppose x has a mound-shaped distribution with sigma = 9 . A random sample of size 36 has sample mean 20. Is it appropriate to use a normal distribution to compute a confidence interval for the population mean m? Explain. Find a 95% confidence interval for

    asked by Steph
  22. math

    jim has grades of 84, 65, 76 on three tests. what grade must he obtain on the next test to have an average of exactly 80% for all four tests?

    asked by Carolyn
  23. Physics

    Two large, parallel, conducting plates are 20 cm apart and have charges of equal magnitude and opposite sign on their facing surfaces. An electrostatic force of 3.0 10-15 N acts on an electron placed anywhere between the two plates. (Neglect fringing.) a)

    asked by Lex
  24. 12th

    an electron above the earth is balanced by the gravitational force and the electric field of the earth. find the electric field of the earth.

    asked by priya
  25. Informal Logic

    Arthur: The solutions to most mystery novels I read are not believable. However, my enjoyment of a mystery novel depends only on its suspenseful mood and colorful characters. Norton: Roughly 80% of the mystery novels I read have believable solutions, which

    asked by Donna
  26. Physics

    A spherical shell of radius R carries a uniform surface charge density (charge per unit area) σ. The center of the sphere is at the origin and the shell rotates with angular velocity ω (in rad/sec) around the z-axis (z=0 at the origin) (a) Calculate the

    asked by tanvir ali
  27. Informal Logic

    Surveys show that people who use calorie information to decide which foods to eat consume on average 100 calories less than they would if they didn’t check calorie information before eating. Strangely though, people who use calorie information in this

    asked by Donna
  28. stats

    Identify the direction and all possible interpretations of each of the following correlations. Be sure to identify each example as positive, negative, or zero (not correlated). Then give all possible causal interpretations for the results. Margaret notices

    asked by Anonymous
  29. math

    In a bag of candy, there are five green candies for every two red candies. If there are 35 total candies in the bag, which of the following is the total number of green candies in the bag? i solve it but i do not know if is correct,so please can you check

    asked by rally
  30. Physics

    In grandpa’s time automobiles were previously manufactured to be as rigid as possible, whereas autos are now designed to crumple upon impact. Why?

    asked by Chris
  31. Physics

    A Body with a mass of 150kg is located at a height of 45 m. If allowed to fell freely to the ground. What will be its velocity on impact? KE= 1/2*m*v^2 PE= m*g*h 1/2*m*v^2= m*g*h 1/2*150kg*45m*v^2= 150kg*9.81*45m 3375* v^2= 66217.5 3375*v^2/3375=

    asked by Danny
  32. maths

    I toss a coin 4 times. Find the chance of getting the sequence HTHT

    asked by adex
  33. physics

    Consider a five-pointed star made of resistors as shown below. Each resistor has resistance R=6 Ω. Find the equivalent resistance in Ohms between the points A and B.

    asked by ayan
  34. chemistry

    The solubility of the fictitious compound, administratium fluoride (AdF3) in water is 3.091×10−4 M. Calculate the value of the solubility product Ksp.

    asked by adex
  35. Chemistry

    How many grams of CaCl2 would be required to produce a 3.5M(molar) solution with a volume of 2.0L?

    asked by Sunny
  36. Chemistry

    Consider the titration of 50 mL of 0.250 M HCl with 0.1250 M NaOH. Calculate the pH of the resulting solution after the following volumes of Na OH have been added. a) 0.00 mL b) 50.00 mL c) 99.90 mL d) 100.00 mL e) 100.1 mL The question is, I get, for

    asked by George
  37. inorganic chemistry

    what is the product of reaction dehydrated K3(Al(C2O4)3) with KMnO4 in the present of KOH?

    asked by Leo
  38. math

    you complain that the hot tub in your hotel suite is not enough. the hotel tells you that they will increase the temperature by 10% each hour. If the temperature of the hot tub is 75%F, what will be the temperature of the hot tub after 3 hours, to the

    asked by Jeconiah. please a needy help!!!
  39. Physics

    The boom weighs 2450 and is attached to a friction less pivot at its lower end. It is not uniform; the distance of its center of gravity from the pivot is 39.0 of its length. Picture Link: tinypic./view.php?pic=53qp3m&s=5 What is the tension in the guy

    asked by John
  40. Informal Logic

    Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the movies yesterday, there is not a romantic comedy playing at her local theater. The reasoning above is flawed because the evidence (Points : 1) does

    asked by Donna
  41. chemistry

    Which direction would equilibrium shift in the reaction N2 + 3H2 2NH2 + 22,000 cal if it is cooled?

    asked by Marcie
  42. Physical Science

    A park ranger wants to shoot a monkey hanging from a branch of a tree with a tranquilizing dart. The ranger aims directly at the monkey, not realizing that the dart will follow a parabolic path and thus will fall below the monkey. The monkey, however, sees

    asked by Chris
  43. Physics

    Inside an insulated container, a 250-g ice cube at 0°C is added to 200 g of water at 18°C. (i) What is the final temperature of the system? (ii) What is the remaining ice mass?

    asked by Meder
  44. Life Orientation

    Explain how drug addiction is a human factor that may cause ill health,accidents,crises or disaster

    asked by Frank
  45. PHYSICS

    3. A particle of mass m= 5.00 kg is released from point A(at rest) and slides on the frictionless track shown in Figure below. Determine: ( 8 marks ) a. the particle’s speed at points B and C and (4marks) b. the net work done by the gravitational

    asked by VICTOR LAKAKI
  46. Physics

    A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its velocity on impact?

    asked by Danny
  47. Math (Probability) PLEASE HELP!!

    If a 20-sided fair die with sides distinctly numbered 1 through 20 is rolled, the probability that the answer is a perfect square can be expressed as a/b where a and b are coprime positive integers. What is the value of a+b?

    asked by Hale
  48. Physics

    The boom weighs 2450 and is attached to a friction less pivot at its lower end. It is not uniform; the distance of its center of gravity from the pivot is 39.0 of its length. What is the tension in the guy wire? Link to picture of problem which is needed

    asked by John
  49. trig

    how to do this? how much does this equals? 2cos160*cos140*cos100

    asked by Eee
  50. physics

    two charge 5NC and -2NC are placed at a point (5cm,0,0)and (23cm,0,0)in a region of a space where there is no other electric field.calculate the electrostatic potential energy of this charged system

    asked by prachi
  51. physics

    Why bother using a machine if it cannot multiply work input to achieve greater work output?

    asked by Chris
  52. chemistry

    a 2.3% (m/v) LiCI solution p;repared from 53.0 ml of a 10.0%(m/v)LiCI solution. what is volume in milliliters

    asked by katie
  53. physics

    With a mass = 10 k .. the horizontal surface on which the block slides is frictionless. The speed of the block before it touches the spring is 6.0 m/s. How fast is he block moving at the instant the spring has been compressed 15 cm? K=2.0kN/m

    asked by monea
  54. U.S. History

    The Civilian Conservation Corp was established in 1933. Discuss why it was established and its main function.

    asked by Drizzy Joven
  55. Herndon High

    cos15°cos30°- sin15°sin30° =

    asked by Ashley
  56. economics

    wht are five critically discuss of five way in which the human or environmental problm impact on the community about food production

    asked by gladwin
  57. Physics

    A charged particle with mass m, charge |q|=6.4 ×10−19C and speed v=3 ×106 m/s enters from the bottom of the figure and traces out the trajectory shown in the fields shown. The only electric field E=5 ×103 V/m is in the region where the trajectory of

    asked by tanvir ali
  58. History

    Who would oppose this decision? Why might they do so? What i said was that most Southerners would oppose this decision because they own large plantations and farmers and/or wealthy people/families don't and/or do the work by themselves. However, I wasn't

    asked by Nicole
  59. chem

    The half-life of is 30.0 days. What fraction of a sample of this isotope will remain after 16.2 days?

    asked by sarah
  60. algebra1

    juan's band produced a number of CDs to sell at a gig.the batch of CDs cost $170.00 to make and each CD was sold for $2.50 more than it cost to produce.juan gave 2 CDs to his friends,but sold the rest for a total of $198.00.How many CDs did juan produce?

    asked by math lover
  61. Algebra 2/ Trigonometry

    The expression 4 - cos² A is equivalent to 1)5 - sec² A 2)5 - sin² A 3)5 + sin² A 4)5/sec² A

    asked by Moe
  62. Algebra 2/ Trigonometry

    The expression oos² θ/sin θ + sin θ is equivalent to 1) 1 + cos² θ 2) cos² θ 3) sin θ 4) csc θ

    asked by Moe
  63. Chemistry

    Why does the titration of terephthalic acid yield a mass of approximately half the molar mass?

    asked by Sam
  64. life orietation

    what are the institutions involved in redressing enviromental factors such as air pollution?

    asked by dikeledi
  65. English

    Where does Sonya live? She lives in Moscow. With whom does Sonya live? She lives with her father, mother and her little sister Olga. On weekends, where do they go? They go to their dacha. What is a dacha? A dacha is a Russian country house. Who has a

    asked by rfvv
  66. Statistic

    Suppose that you are in charge to see if dropping an iPhone 5 will damage it. You want to find the proportion of iPhone 5 that breaks. If you want a 95% confidence interval for this proportion, with a margin of error of 5%, how many iPhone 5 should you

    asked by Ahmad Syukri
  67. physics

    A 3 kg objects falls from a height of 10 m to the ground. the work done by air resistance is 20 J. What is the kinetic energy of the object as it hits the ground?

    asked by monea
  68. chemistry

    In the following options which one is maximum/highly exothermic reaction..? 1)SrO+h2o 2)BaO+h2o 3)CaO+h2o 4)MgO+h2o Pls.... Need it real quick

    asked by piyush
  69. Chemistry

    How much mL of 0.2 M NaOH are needed to titrate vinegar while doing a titration with Phenolphthalein?

    asked by Shashi
  70. Algebra 2/ Trigonometry

    If cos y = -4/5 when 90°≤ y ≤ 180° what is the value of cos 2y?

    asked by Moe
  71. math

    PRINCIPLE OF MATHEMATICAL INDUCTION=1/2+1/4+1/8+....+1/2n=1-1/2n

    asked by Anonymous
  72. maths

    Suppose a student guesses the answer to a true or false Question on a test by tossing a coin: if the coin lands Heads, she answers True, and if it lands Tails, she answers False. What is the chance that she gets the right answer?

    asked by anonymous
  73. physics

    To combat wasteful habits, we often speak of “conserving energy,” by which we mean turning off lights, heating or cooling systems, and hot water when not being used. In this chapter, we also speak of “energy conservation.” Distinguish between these

    asked by Chris
  74. Physics

    A current I=2.3 A flows around a continuous path that consists of portions of two concentric circles of radii a and a/2, respectively, where a=6 cm, and two straight radial segments. The point P is at the common center of the two circle segments. Calculate

    asked by tanvir ali
  75. math

    An electric pole touches the ground due to bending in a wind. It is found that standing part of pole is equal to the distance of end touching the ground. If the end touching the ground from the pole is at distance 4 m, what was the length of pole before

    asked by raj
  76. physics

    Give the potential energy function U = 2×^2-25×: determine the force function for this potential.

    asked by monea
  77. math

    If a conservationist catches 72 trout, tags them and throws them back in the lake. Later 33 trout are caught, 11 of them are tagged. How many trout would the conservationist expect to find in the lake.

    asked by teddy
  78. Econimics

    What are the welfare payments or consumer subsisdies?

    asked by Thobeka
  79. algebra1

    a cyclist completes a 150-mile race in a certain amount of time.she completes another 150-mile race a month later,but this time it takes an hour longer to cover the same distance and her average speed is 5 mph less than in the first race.find the average

    asked by math lover
  80. Chemistry

    How much mL of 0.2 M NaOH are needed to titrate vinegar while doing a titration with Phenolphthalein?

    asked by Shashi
  81. U.S. History

    List the key points of the Homestead Act and describe the effect it had on the opening of the western territories.

    asked by Drizzy Joven
  82. life orientation

    two community organizations that involve in supporting or giving redress to hiv

    asked by zanele
  83. Chemistry

    Arsenic acid has the formula H^3AsO^4. It is a triprotic acid. Abottle is marked 0.422 N arsenic acid. What is the Molarity of this solution?

    asked by naomi
  84. Algebra 2/ Trigonometry

    The expression sin(2π - θ)is equivalent to

    asked by Moe
  85. Algebra 2/ Trigonometry

    If cos θ = c, then sin²θ/2 equals 1) 1-c/2 2) 1+c/2 3) 1-c/c+c 4) 1-c/4

    asked by Moe
  86. Calculus

    Evaluate the following integrals. Show all the steps in your calculation. a. ç_0^2(3x^3 - x^2 + 2)dx b. ç_0^1(e^2x - x^2)dx c. ç1/(x+3)dx

    asked by Hy'le
  87. chemistry

    If a sample of NH4NO3 contained 5.04 x 1022 hydrogen atoms, how many moles of NH4NO3 are in your sample?

    asked by Anonymous
  88. Calculus

    Given the function: f(x) = x^2 + 1 / x^2 - 9 a)find y and x intercepts b) find the first derivative c) find any critical values d) find any local(relative) extrema e) find second derivative Please show me how u got this!!

    asked by Gabby
  89. Physics

    A body is moving north at 12m/s and 5 seconds later it has a velocity of 30m/s in the same direction. What was the acceleration of the body?

    asked by Danny
  90. chem

    What is the empirical formula of the compound with a mass percent composition of 70.0% Fe and 30.0% O? (Type your answer using the format CH4 for CH4

    asked by sarah
  91. physics

    Give the potential energy function U = 2×^2-25×: determine the force function for this potential.

    asked by monea
  92. life Orientation

    Identify and describe 3 environmental health hazards that cause ill health,crises,and or disasters within your community or any other community within South Africa and globally.

    asked by Glenvarloch
  93. U.S. History

    Name one if two reasons why workers were unhappy after the end of World War 1. Support your answer with facts.

    asked by Drizzy Joven
  94. maths

    Triangle ABC has side lengths a,b and c. If these lengths satisfy a^2=a+2b+2c and -3=a+2b-2c, what is the measure (in degrees) of the largest angle?

    asked by mathslover please help
  95. chemistry

    Estimate the fraction of of unoccupied atomic sites in lead (Pb) at a temperature 10K below its melting point. DATA: Vacancy Fraction, nv/N T (degrees C) 1.8*10-7 100 7.2*10-6 200 Express your answer in terms of vacancy fraction, nv/N:

    asked by ssss
  96. chemistry

    Estimate the fraction of unoccupied atomic sites in lead at temperature 10K below its melting point. Vacancy fraction,nv/N temperature 1.8*10^-7 100C 7.2*10^-6 200C express answer in vacancy fraction nv/N.

    asked by anonyms
  97. trig

    how many solutions (answers) does this equation has? sinx=sin1

    asked by Eee
  98. Chemistry

    Which of the following will increase the strength of a sample of 90% SiO2 - 10% MgO Quench the entire sample in water Quench half of the sample in water Cool the entire sample with air jets Cool half the sample with air Submerge the sample in a salt bath

    asked by Anon
  99. Physics

    Consider a thin, infinitely long conducting ribbon that carries a uniform current density j (current per unit area). The width of the ribbon is w and its thickness s is extremely small (s≪w). P is a point in the plane of the ribbon, at a large distance

    asked by tanvir ali
  100. math

    IF the speed of train A is 10 mph slower than train B. Train A travels 220 miles in the same time it takes train B to travel 270. What is the speed of both trains.

    asked by nannypam
  101. pre+calc

    C0rr+missi0n+kill+name+id++real+name+die

    asked by Anonymous
  102. statistics

    A random sample of 100 of a population Mean is 31 and standard deviation 22 Approximate probability of 28

    asked by Dorri
  103. physics

    Two masses are slideing on a horizon frictionless surface. A 10 kg mass has a velocity of 9 m/s in the x direction and a 20 kg mass has a velocity of 12 m/s in the y direction .the masses collide and stick together, what is he final velocity of the

    asked by monea
  104. History

    My teacher wanted me to make an essay about slavery.. This is my essay: At the time of the American Revolution, the split between North and South over the issue of slavery was apparent but not great enough to prevent the states from uniting as one nation.

    asked by Nicole
  105. Telisis Prep

    The base of a rectangle is 6 inches greater than twice the height. The perimeter is 78 inches. Find the area.

    asked by Bailey
  106. Life orientation

    Identify and describe three environmental health hazards that cause ill health ,crises ,and globally .include evidence that is current of the identified issues .use graph s,statistics,pictures etc to show evidence of your information.

    asked by Selina
  107. trig

    solve the point given below is on the terminal side of an angle0. find the exact value of the six trigonometric functions of 0. (10,-10)

    asked by Anonymous
  108. maths

    I toss a coin 4 times. Find the chance of getting a) 2 heads b) more heads than tails

    asked by anonymous
  109. maths

    A die is rolled 12 times. Find the chance that the face with six spots appears once among the first 6 rolls, and once among the next 6 rolls.

    asked by anonymous
  110. math

    the perimeter if a fence is 48 meters. if the width is 2 meters less then the length, find the with

    asked by rosa
  111. maths

    A die has one red face, two blue faces, and three green faces. It is rolled 5 times. Find the chance that the red face appears on one of the rolls and the remaining rolls are green.

    asked by anonymous
  112. physics

    A spherical shell of radius carries a uniform surface charge density (charge per unit area) . The center of the sphere is at the origin and the shell rotates with angular velocity (in rad/sec) around the -axis ( at the origin). Seen from below, the sphere

    asked by gorv
  113. Agricultural science

    What are the important features of a building which could be used as a milking shed(parlour),dairy(milk room) and food store to ensure production of clean fresh milk?

    asked by Zela
  114. environment

    Name two institutions/community organization that are involved in supporting or giving redress to these disasters Teenage pregnancy. Explain how these organization are involved in providing a safe and healthy environment.(suggestion:Find out about NGO's)

    asked by Thato
  115. chem

    What is the empirical formula of the compound with a mass percent composition of 70.0% Fe and 30.0% O? (Type your answer using the format CH4 for CH4

    asked by sarah
  116. physics

    Consider a five-pointed star made of resistors as shown below. Each resistor has resistance R=6 Ω. Find the equivalent resistance in Ohms between the points A and B.

    asked by ayan
  117. physics

    I post this early ; but didn't understand the answer.. a 3-kg object falls from a height of 10m to the ground. The work done by air resistance ia 20 J. What is the kinetic energy of the object as it hits the ground..

    asked by monea
  118. Life Orientation

    In 10-15 lines critically discuss 5 ways in which hiv & aids impacts on the community. Provide relevant sources to support your claim..

    asked by Samantha
  119. chemistry

    Calculate the density of atoms in (001) in lithium (Li). Express your answer in units of atoms/cm2. incorrect

    asked by adex
  120. History

    If you are getting rid of slavery, how are you going to care for 3.5 million homeless, unemployed and uneducated former slaves? What I thought was to make schools and build homes for them so the slaves can make a career for themselves, however I am not

    asked by Nicole
  121. physics

    A 2.0 mass tied to the end of a 1.5m string swings as a pendulum. At the lowest point In its swing, the speed of the mass is 4.6 m/s. What is speed of the mass when at the instant when the string makes and angle of 35 degrees with the vertical?

    asked by monea
  122. math

    what is the solution to this problem 6 5x=1296

    asked by tasha
  123. algebra1

    Vanessa bought a set of military medals through an antique dealer for $120 .she gave two of the medals to her father and resold the rest,charging $4 more per medal than she paid .if vanessa sold the medals for a total of $156.how much did she charge for

    asked by math lover
  124. Chemistry

    The energy of vacancy formation in palladium (Pd) is 1.5 eV. At 888C there is one vacancy for every million (106) atom sites. What temperature would be necessary to achieve a vacancy fraction of one for every thousand (10 3) atom sites?

    asked by Anonymous
  125. algebra1

    jose ordered a box of fruits for his market stand costing $6.When his order arrived,Jose discovered that 20 fruits were rotten and threw them in the trash.He sold all of the remaining fruits for a total of $8,charging 3 cents more for each fruit than he

    asked by math lover
  126. U.S. History

    List the key point of the 19th Amendment and discuss the effect it had on society.

    asked by Drizzy Joven
  127. Life orientation

    Identify and describe 3 environmental health hazards that cause ill health,crisis,and or disasters within your community or any other community within South Africa

    asked by Nhlanhla
  128. physics

    What type of contamination involves Rags, tie wraps, and safety wire?

    asked by red
  129. Math

    A solid sphere of 1.46kg and radius 0.1m, is rolling down a rough plane that is inclined at an angle 30 degrees to the horizontal. The 3 ferces acting on the sphere are its weight, friction force and the normal reaction. The sphere starts rolling down when

    asked by Tasneem
  130. life orientation

    Provise five or more ways in which you critically discuss how lack of physical fitness and proper nutrition impacts on a teenager?

    asked by charlene
  131. borrowing in subtraction

    How is the term borrowing in subtraction confusing for children to learn?

    asked by Angela
  132. Science

    I need pictural or written ideas in order to help make a drawn model to explain the greenhouse effect. I've used websites but they are to technical for what I'm looking for. I'm basically looking for a model but I can't copy any. Please give me your

    asked by HS
  133. Life orientation

    Identify and describe three environmental health hazards that cause ill health ,crises ,and globally .include evidence that is current of the identified issues .use graph s,statistics,pictures etc to show evidence of your information.

    asked by Selina
  134. maths

    Find the indicated sum. n ‡”4(0.5)^K K=1 Help me because I do not know how to solve it.

    asked by Seth. please a needy help!!!
  135. Life orientation

    Ways in which the environmental problem impact on the community.

    asked by Kgaugelo
  136. algebra

    x+6/4x^2 + 3/2x^2 = x+4/2x^2

    asked by weeza
  137. maths

    A random number generator draws at random with replacement from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. Find the chance that the digit 5 appears on more than 11% of the draws, if a) 100 draws are made b) 1000 draws are made

    asked by anonymous
  138. mathmetics for business

    What is game theory? Will we study?

    asked by jugal thakur
  139. social

    explain or give an example why slaves should not be beaten. REMEMBER THINK LIKE A PERSON FROM 1815...

    asked by Aleyshka
  140. History

    Explain or give an example why slaves should be treated like citizens. REMEMBER, THINK LIKE A PERSON FROM 1815...

    asked by Nicole
  141. Calculus

    Find the derivative of -20x/(x^2-9)^2

    asked by Gabby
  142. physics

    Climbing to the top of Mount Everest is hard. But, it's slightly easier than you might think as people weigh less as they climb to the top. Let WE be a person's weight on top of Mount Everest and WS be their weight at sea level. What is the value of

    asked by ayan
  143. english

    What is a good thesis sentence for fishing camp

    asked by shorthy
  144. life orientation

    Critically discuss 5 ways in which the human problem impacts on the community

    asked by Anonymous
  145. History

    Who would support the decision of changing slavery, North, some Southerners, or both? REMEMBER, THINK LIKE A PERSON FROM 1815..

    asked by Nicole
  146. agricultural science

    Any five purpose of fencing a farmland

    asked by tumi
  147. math

    A student traveled 236 km in 18 days. At the same ratio how far would the student travel in 54 days.

    asked by teddy
  148. Math

    On average, the temperature falls about 5.4 F for every 1,000 ft of additional altitude. If the temperature is 42 F on the ground estimate the temperature at 5,000 ft

    asked by Camille
  149. math

    if 1,x,y is a geometric sequence and x,y,3 is an arithmetic sequence, compute the maximum value of x+y

    asked by Sarah
  150. Math-Borrow

    Explain the term "borrow". Describe the situation in which it is used. Describe the confusion that may result from its use. Offer an alternative term and explain how this term would be less confusing to students.

    asked by Angela
  151. World History

    Why did Columbus fail as an administrator on land but excel as a ship captain?

    asked by Gregory
  152. Math

    On average the temperature falls about 5.4 F for every 1,000ft of additional altitude. If the temperature is 42 F on the ground, estimate the temperature at 5,000 ft.

    asked by Camille
  153. History

    If you are keeping slavery, how will you improve the conditions of slave life? I do not know how to answer this question, can someone please help me.

    asked by Nicole
  154. real estate finance

    Max and Seymour are purchasing their first home using a VA guaranteed mortgage loan. Both have full entitlement. Their combined GMI is $1900.00. Their other monthly obligations total $200. What housing expense payment can they qualify for? _________ They

    asked by tmouery
  155. Life orientation

    Identify and describe 3 environmental hazards that cause ill health, crises, and or disasters in any other community within South Africa and globally

    asked by Lerato
  156. algebra1

    a wholesaler bought a batch of t-shirts for $77.00.She gave two of the T-shirts to her daughters and then sold the rest for a total of $90.If the wholesaler sold each T-shirt for $2 more than it cost her,how much did she pay for each T-shirt?

    asked by math lover
  157. Math

    A solid sphere of 1.46kg and radius 0.1m, is rolling down a rough plane that is inclined at an angle 30 degrees to the horizontal. The 3 forces acting on the sphere are its weight, friction force and the normal reaction. The sphere starts rolling down when

    asked by Tasneem
  158. maths

    find the range of sin(siny)+cos(siny)

    asked by Anonymous
  159. French

    I'm quite confused on one of my French questions. A quell sandwich canadien le croque-monsieur vous fait-il penser? Could someone just help me with the translation?

    asked by Deidre
  160. math

    how much does this equals? 3sin^(2)x - 7cos^(2)x , when cos2x=-0,1 ?

    asked by Eee
  161. algebra

    x+6/4x^2 + 3/2x^2 = x+4/2x^2

    asked by weeza
  162. Math

    Let Alpha and Beta be the zeros of the cubic polynomial x^3 + ax^2 + bx + c satisfying the relation Alpha * Beta -1 = 0. Prove that : c^2 + ac + b + 1 = 0. Please work the complete solution

    asked by Steve
  163. life orintation

    describe the life style disease and explain 5 factor that contribute to the disease

    asked by thapelo
  164. trig

    cos(t)=3/5 determine the exact value of t to the nearest degree

    asked by Anonymous
  165. social studies

    explain or give a reason why slaves should have less hours to work.. REMEMBER YOU ARE THINKING LIKE A PERSON FROM 1815. NOTE: Please do not say because they work to hard and need to work less.. Be specific with your writing. Thank you

    asked by Wilfredo
  166. maths

    Find the 9term of the sequence 1 ,sqr(2), 2

    asked by ELIJAH HAVA
  167. math

    . Find the slope of a line that is parallel to the line containing the points (3, 4) and (2, 6). (1 point) m = 1 m = 2 m = –2 m = 1/2

    asked by 123
  168. maths

    The simplified form of the complex no. (1-i/2 2i) (1/-2-2i) is.....?

    asked by minte
  169. algebra1

    chen bought a bag f groceries weighing 15 pounds.His friend,jo,bought a bag of groceries that always weighed 15 pounds,but contained one less item.the average weight per item for jo's groceries was 1/2 pound more than for Chen's.How many items were in Jo's

    asked by math lover
  170. Math

    I want to build a landscaping block garden oval with twelve inch blocks. I want the second row to come out even. How would I figure this out.

    asked by Walt
  171. Music-PLEASE ANSWER!

    I need a variety of tutors opinions and choices of what song they like the best. just write the name of the song amongst with the artist PLEASE SPREAD THE WORD ACROSS AND ANSWER BELOW ASAP!

    asked by HS
  172. math

    how will I develop a transaction program?

    asked by Jnr John. please a needy help!!!
  173. maths

    To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question,true if heads and false if tails).

    asked by anonymous
  174. biology

    TRUE OR FALSE all mutations in a gene would have an effect on the protein encoded by that gene. please help! :)

    asked by BG
  175. Statistic

    A Toyota dealer wants to find out the age of their customers (for advertising purposes). They want the margin of error to be 3 years old. Suppose the sigma is 13 years old. If they want a 90% confidence interval, how many people do they need to know about?

    asked by Ahmad Syukri
  176. Life orientation

    In lin10 or 15 discuss 5 wayz in whch hiv impact on community

    asked by Tdk
  177. History

    How would changing how slavery is affect the future of the United States, if you were in the year of 1815?

    asked by Nicole