Questions Asked on
June 24, 2015

  1. Physics

    The speed of a projectile when it reaches its maximum height is 0.42 times its speed when it is at half its maximum height. What is the initial projection angle of the projectile?

    asked by Mark
  2. life orientation

    write your mission statement that clearly indicates your own position in engaging in service delivery protest

    asked by VALETIA
  3. Algebra

    Farmer Ed has 9,000 meters of​ fencing, and wants to enclose a rectangular plot that borders on a river. If Farmer Ed does not fence the side along the​ river, what is the largest area that can be​ enclosed?

    asked by Janice
  4. physics

    You have a mass of 60 kg and run up some stairs that are 5 m high in 6 seconds. How much power did you produce?

    asked by abc123
  5. advanced algebra

    A type of plant is introduced into an ecosystem and quickly begins to take over. A scientist counts the number of plants after m months and develops the equation mc010-1.jpg to model the situation. Most recently, the scientist counted 138 plants. Assuming

    asked by Anonymous
  6. algebra

    Write an expression to represent: Three minus the product of two and a number x.

    asked by Anonymous
  7. Algebra

    A club currently has 300 members who pay $ 400 per month for membership dues. The​ club's board members want to increase monthly revenue by lowering the monthly dues in hopes of attracting new members. A market research study has shown that for each $ 1

    asked by Janice
  8. Geometry

    The base of a right prism is a rhombus with a side of 10 cm and an altitude of 9.6 cm. Find the diagonals of the prism if the altitude of the prism is 12 cm.

    asked by Mark
  9. Business

    1. Assuming you own a home, where would the appraisal value of your home go in a oersonal balance sheet? A. Under liabilities. B. Under assets. C. under both the equity and the liabilities sections Answer C 2. When you work within an organization,you're

    asked by 40Patricia
  10. 6TH GRADE MATH

    Owen is fishing from a dock. He starts with the bait 2 feet below the surface of the water. He reels out the bait 19 feet then reels it back in 7 feet. what is the final position of the bait relative to the surface of the water? Write an expression to

    asked by Larry
  11. Chemistry

    You may have noticed that when water boils, you can see bubbles that rise to the surface of the water. a. What is inside these bubbles? i. air ii. hydrogen and oxygen gas iii. oxygen gas iv. water gas v. carbon dioxide gas

    asked by Anonymous
  12. Chemistry

    You have two beakers, one filled to the 100 mL mark with sugar (mass of sugar 180.0 g) and the other filled to the 100 mL mark with water (m !@#$%^& of water 100.0 g). You pour all the sugar and all the water together in a bigger beaker and stir until the

    asked by Kristina
  13. Elementary Statistic

    twenty-five percent of all death are caused by diseases of the heart Ischemic heart disease accounts for 16.4% of all death and heart failure for 2.3% choose one death at random. What is the probability that it is from ischemic heart disease given that it

    asked by Angela
  14. algebra

    write an expression to represent Four minus the product of three and a number x

    asked by Anonymous
  15. Algebra

    Jim wants to build a rectangular parking lot along a busy street but only has 1,900 feet of fencing available. If no fencing is required along the​ street, find the maximum area of the parking lot.

    asked by Janice
  16. Biology

    J.J. Thomson's experiments supported the existence of a particle that deflected away from a negative charge and toward a positive charge. Ernest Rutherford found that when positive particles were fired at gold foil, some of the particles deflected rather

    asked by Rafa
  17. physics

    I have no way to solve this question. help me please The drawing shows a sulfur dioxide molecule. It consists of two oxygen atoms and a sulfur atom. A sulfur atom is twice as massive as an oxygen atom. Using this information and the data provided in the

    asked by Lola
  18. Microeconomics

    taxes may cause deadweight losses because________. a. they transfer purchasing power from buyers to the government. b. they lower the surplus in the market. c. they increase consumer surplus at the expense of producer surplus d. they transfer purchasing

    asked by Juan
  19. Physics

    A 2.0 kg block of iron slides along a floor, decreasing its speed from 4.0 m/s to 1.0 m/s. a) How much work does the frictional resistance of the floor do on the block? b) If the reduction in velocity occurred over a distance of 10 m, what was the force of

    asked by idnchfywek
  20. Science

    A scientist has noted a possible relationship between a certain chemical substance found in fish and the occurrence of kidney failure in humans. Which of the following preliminary steps should the scientist take before conducting a controlled experiment?

    asked by Lil
  21. world history

    which of these was Not a shared trait of early harappan and mesopotamian civilizations? a. brick-walled cities b. cuneiform c. raised citadels d. origins along a major river my answer is A

    asked by siulanis perez
  22. English

    To what people does John Winthrop compare the Puritans in "A Model of Christian Charity"? the ancient Egyptians the ancient Romans the ancient Israelites the ancient Babylonians

    asked by Sara
  23. Chemistry

    PCl5 is introduced into an evacuated chamber and comes to equilibrium (see Problem 16.37), at 250◦C and 2.00 atm. The equilibrium gas contains 40.7% Cl2 by volume. (a1) What are the partial pressures of the gaseous components at equilibrium? (a2) From

    asked by Joe johnson
  24. Math

    log2√36 - log2√72 I am not sure how to do this question. I need an explanation.

    asked by Anonymous
  25. algebra

    Write an expression to represent Five minus the product of three and a number x

    asked by Anonymous
  26. intro to psychology

    Which one of the following statements about the Human Genome Project is not true? A. Researchers have identified almost all 3 billion units of DNA. B. Locating a gene is the first step to understanding how it works. C. Most human traits are affected by

    asked by elly
  27. Chemistry

    Enter the symbol of a sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2-}

    asked by Zulema
  28. statistics

    Jesse took two data points from the weight and feed cost data set and calculated a slope, or average rate of change. A rat weighs 3.5 pounds and costs $4.50 per week to feed, while a Beagle weighs 30 pounds and costs $9.20 per week to feed. Using weight as

    asked by cat
  29. Health care

    Write a 700- to 1,050-word paper on health care communication. Answer the following questions in your paper: • How does effective communication incorporate the basic elements of communication? • How do the basic elements of effective communication

    asked by Jimmy
  30. Math

    The area of a rectangular prism's base is 25 square inches and its height is 10 inches. Find the volume of this rectangular prism.

    asked by Anonymous
  31. intro to psychology

    Which one of the following statements about heritability is true? A. Heritability estimates indicate whether an attribute was inherited or acquired. B. Highly heritable traits, like height, will always be inherited, regardless of environmental factors. C.

    asked by elly
  32. Physics

    a 1.92 kg ball is connected by means of two massless strings, each of length L = 1.69 m, to a vertical, rotating rod. The strings are tied to the rod with separation d = 1.69 m and are taut. The tension in the upper string is 51.0 N. What are (a) the

    asked by Jeus
  33. science

    Why is an incandescent bulb hot to touch when it has been switched on for a while?

    asked by shrutika
  34. world history

    which of these was an innovation that accompanied the advent of framing? a.herding b .normadism c. hunting d. the use of metals my answer D

    asked by siulanis perez
  35. world history

    which of the following statements does not accurately characterize the neanderthals? a. they were first discovered in Germany b.they are ancenstor to Homo Sapiens c. they have larger brains thtat other hominids. d. they are believed to have lived 200,000

    asked by siulanis perez
  36. Physics

    A 50kg sign for a local business is hung from a bar which meets a wall at right angles as shown in figure 1. The bar is 1.5 meters long, and it's mass may be neglected. The center of mass of th sign is 1.0 meters from the wall (but .50 meters from the tip

    asked by David
  37. business math115

    Mary base pay rate is $11.50 per hour, with overtime paid at time-and-a-half. Find her gross pay if she worked 35.5 hours Monday through Saturday. Round to the nearest cent.

    asked by keosha
  38. chemistry

    How to distinguish between an acid and an alkali. DO not use indicators

    asked by Clive
  39. business math115

    Brianna's monthly salary is $8,400. What would be her equivalent semimonthly salary. (Round to the nearest cent)

    asked by keosha
  40. business math115

    Chong base pay rate is $13.50 per hour, with overtime paid at time-and-a-half and double time for holidays. Find her gross if she worked 9 holidays hours in addition to 40.5 hours Monday through Saturday. round to the nearest cent.

    asked by keosha
  41. business math115

    linda base pay rate is $21 per hour, with overtime paid at time-and-a-half. Find her gross pay if she worked 45 hours Monday through Saturday. round to the nearest cent.

    asked by keosha
  42. crane international academy

    A stone is 24M high.a stone is projected upward from the tower with an initial velocity of 24,5m/s. calculate how long it would take for the stone to reach the ground at the foot of the tower.

    asked by maimela Agnes
  43. science

    A force of 16.0 newtons is sufficient to set a box that is at rest into motion. If the coefficient of static friction is 0.380, what is the normal force acting on the box?

    asked by kevin
  44. psychology

    Which one of the following statements about heritability is true? A. Heritability estimates indicate whether an attribute was inherited or acquired. B. Highly heritable traits, like height, will always be inherited, regardless of environmental factors. C.

    asked by elly
  45. Chemistry

    Determine the molar solubility of Y for XY2 if Ksp is 2.2x10^-4 The answer is 0.038, but I'm not sure how

    asked by Sara
  46. physics

    a ball is projected horizontally with speed u from a tower. 4 seconds after the throw it's velocity is at 45¡ã with horizontal. How long after projection, the velocity is at 37¡ã with horizontal?

    asked by SR
  47. Math

    If 1,000 gumballs cost $20, how much would ten gumballs cost? I got $5 I just want to make sure if it is correct.

    asked by Gumball Problems
  48. math

    A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.

    asked by vidya
  49. Math

    A coffee can has a volume of 137.375 cubic inches and a height of 7 inches. Find the circumference of this coffee can.

    asked by Anonymous
  50. algebra

    Write an expression to represent: Seven more than the product of one and a number x.

    asked by Anonymous
  51. math

    A uniform ladder of mass, m, and length, l, leans at an angle, theta, against a rough wall and is on a rough floor. Determine a formula for the minimum angle at which the ladder will not slip if a man reach the top of the ladder.

    asked by vidya
  52. Chemistry

    How energy is needed to vaporize 100 g of ethanol from its boiling point?

    asked by Joseph
  53. physics

    7. An airplane has a gun that fires bullets straight ahead at the speed of 600 miles per hour when tested on the ground while the plane is stationary. The plane takes off and flies east at 600 miles per hour. Explain whether each of the following is

    asked by allexelle
  54. business math115

    Brian weekly salary is $1,811.54. What would be his equivalent monthly salary. (Round to the nearest cent)

    asked by keosha
  55. Algebra

    For what real values of a is x^2 + ax + 25 the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

    asked by XXX
  56. Physics

    The ride drops riders from the top of a tall tower and let's them free fall for a short time before bringing them to a stop. For the riders' safety, you must make sure the riders do not experience an acceleration greate than 2g. Assume the riders have a

    asked by Rolf
  57. Math

    Which is the best way to obtain a random sample when surveying a high school with 800 students about what to serve in the cafeteria. A.Only ask the 11th grade class. B.Draw a list of 50 students from a bowl with every student's name in it. C.Ask everyone

    asked by Anonymous
  58. statistics

    Using the regression equation ŷ = .3 + .12x, the predicted weekly food cost for a hedgehog weighing 1.3 pounds is __________.

    asked by cat
  59. maths

    2.38x3.901/4.83

    asked by abhishek
  60. Physics

    A 45 kg cart is pushed up a ramp a length of 5.8 m from rest, attaining a speed of 2.6 m/s at the top of the ramp, which is 1.7 m high. The coefficient of friction between the cart and the ramp is 0.13. a) Determine the work done against: 1) gravity 2)

    asked by jdemxkslwid
  61. Biology ( Ms.Sue help)

    Which one of the following is a trans fatty acid found in most snack foods?  A. Stearic acid B. Carboxyl acid C. Oleic acid D. Elaidic acid I've been trying to find this answer all day and I have no idea.

    asked by Brooklyn
  62. Math

    I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so

    asked by Anonymous
  63. intro to psychology

    Which one of the following statements about heritability is true?

    asked by elly
  64. intro to psychology

    Those who question evolutionary theorists’ ideas about human mating practices believe that evolution may have instilled in us the tendency to select a mate based on:

    asked by elly
  65. maths

    if the product of 2 rational no. is 25/42 and one of them is -20/7 find the othr

    asked by dev
  66. English

    1. Is there a big market around here? 1. Yes, there's one near here. 2. Yes, there's a big one near here. ============= Q1: Are both answere grammatical? Which one is commonly used? Q2: Does 'one' in #1 mean 'a market' or 'a big market'?

    asked by rfvv
  67. Math

    I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so

    asked by Anonymous
  68. chimistry

    The molar heat of fusion of lead (Pb) is 1.140 kcal/mol. How much heat must be added to 97.0 g of solid lead at its melting point in order for it to completely melt? A 1.44 kJ B 10.18 kJ C 12.48 kJ D 25.04 kJ

    asked by joey
  69. algebra

    Writing expressions with variables Five less than the product of four and a number x.

    asked by Anonymous
  70. Chemistry

    A solution contains 0.284 M sodium nitrite and 0.257 M nitrous acid. What is the pH of the solution?

    asked by Glenna
  71. Math

    Dan's weekly salary is $70 less than Jerry's, whose salary is $50 more than Sally's. If Sally earns $280 per week, how much does Dan earn per week?

    asked by Weekly Salary
  72. Biology

    20.   Which of these is the smallest structure?  A. Dipeptide B. Polypeptide C. Protein D. Amino acid

    asked by Brooklyn
  73. physics

    If a freely falling rock were equipped with a speedometer, by how much would its speed readings increase with each second IF it were on a planet where g = 20 m/s2? Show all work leading to your answer.

    asked by allexelle
  74. English

    Underline each verb phrase. Write the main and helping verbs on the line. 1.You may know about the job of the ghostwriter. main:__ Helping:__ 2.Ghostwriters do not haunt anyone. Main:__ Helping:__

    asked by Zero
  75. Chemistry

    My question is I need to change to symbol on sodium ion, \rm Na^+, followed by the formula of a sulfate ion, \rm SO_4{}^{2-} Its my first time in chemistry class.

    asked by Zulema
  76. English

    Why was Memorial Day originally called Decoration Day? It was a better name for the holiday than Memorial Day. People used to make decorations on that day, but they no longer do. People decorated soldiers' graves with flowers on that day. Decoration is a

    asked by Sara
  77. business math115

    Christina has a job making diskettes. Last week she made a total of 4720. Calcute her gross.

    asked by keosha
  78. business math115

    Coastal Advertising has a staff of sales people like linda, Who is paid monthly salary of $1,050 plus a straight commission of 4.4% on all sales over 8,500. If she sells 9,300 what is her total gross pay for the month.

    asked by keosha
  79. intro to psychology

    Within groups, differences in intelligence are highly correlated with __________. Between groups, differences are highly correlated with __________.

    asked by elly
  80. intro to psychology

    Which one of the following statements about heritability is true? Im sure that not B

    asked by elly
  81. Math

    I don't understand how log2 √(1/2) turned into log2 2^(-1/2). Quote: You will have to know the 3 prime properties of logs 1. logk (AB) = logk A + logk B 2. logk(A/B) = logk A - logk B 3. logk (A^n) = n logk A where k is any positive number , k ≠ 1 so

    asked by Anonymous
  82. dav public

    In tringle abc ab=6cm,angle B=90 find ac,bc and angleA

    asked by Dishaa
  83. Math

    A teacher is collecting data about students. Which of the following is a random sample. A.Students known by the teacher B.Students not known by the teacher C.Students using the library at lunch D.None of the answers are correct

    asked by Anonymous
  84. statistics

    Jesse put the heartbeat and lifespan data into a statistical software program and found the coefficient of determination to be 64%. The value of the correlation coefficient is __________.

    asked by cat
  85. world historia

    Ancient india differed from ancient china, persia,and roma in that india: a. was more religious b.never amassed a large army c. was unable to build a long lasing empire d. was more philosophical and less concerne with goverment. my answer C

    asked by siulanis perez
  86. physic pls help

    Cleo and Clare are looking from their balcony to a swimming pool below that is located 15 m horizontally from the bottom of their building. They estimate the balcony is 45 m high and wonder how fast they would have to jump horizontally to succeed in

    asked by allexelle
  87. grammar

    Which one has the correct pronoun? The team of reporters stunned their audience when the results of the election were revealed. The team of reporters stunned its audience when the results of the election were revealed.

    asked by tony
  88. grammar

    Which is the correct answer? I think it is A, but would like a second opinion. It was not _____ who left the door unlocked this morning. A. I B. me C. myself

    asked by tony
  89. business math115

    Cindy Watson, a self-employed freelance writer, had total gross earnings of $61,800.00 last year. What was the amount of social security and Medicare taxes that Cindy was required to send the IRS each quarter?

    asked by keodhs
  90. intro to psychology

    Genetics and what we inherit from our biological parents play a significant role in our intelligence level. In fact, researchers have found that:

    asked by elly
  91. intro to psychology

    A wealthy, married man in China is having an affair with a beautiful young woman who seems primarily attracted to his financial status. At the same time, similar situations are occurring across other races and nations. Sociobiologists would say that this

    asked by elly
  92. intro to psychology

    Regarding differences between the sexes, both evolutionary psychologists and sociobiologists agree that women are more __________ than men.

    asked by elly
  93. intro to psychology

    One way to explain why gene frequencies change is that individuals with traits that are adaptive in an environment will stay alive to reproduce. Over generations their genes will become more common. This process describes:

    asked by elly
  94. intro to psychology

    According to linguist Noam Chomsky, the sentences “Lee gave the ball to Lynne” and “Lynne received the ball from Lee,” both have the same:

    asked by elly
  95. intro to psychology

    Which one of the following statements about the Human Genome Project is not true?

    asked by elly
  96. English

    what is a minor transtion of a text?

    asked by Jana
  97. Nursing

    My current overall average is a 76%. Another grade of 67 needs to be added in. That grade is worth 10%. What will my final average be?

    asked by Elaina
  98. Computer Architecture/Assembly Question - Amdahl's

    Can someone show me how to solve this problem? For a program that is 70% parallelizable, what will be the speedup relative to a uniprocessor from running it on a 4,8, and 16 way multiprocessor assuming perfect load balancing. Thanks!

    asked by Fred
  99. Psychology

    I understand the difference of primary and secondary psychopaths, but I am looking for examples of both. Thank You, Deshae

    asked by Deshae
  100. Physics

    if the distance and height of a track increase, does the car's accepted velocity and acceleration increase?

    asked by Tayla
  101. Physics

    For centripetal acceleration, if the radius increases, does that mean the angle is decreasing?

    asked by Emily
  102. Math

    e^(x-y)=-x+C where y(2)=2 so I found C=3? y=_____________ so I thought it would be y=-ln(-x+3)-x but that is wrong please help!

    asked by Joe
  103. Math

    4x-e^(-(4x-y+3))=-e^(-2) y=________ I have tried multiple times and cant get it. Please help

    asked by Joe
  104. English

    Everything will be 20 % off. So, don't miss your great chances for great prices. ============================ What does 'for great prices' modify? Does it modify 'chances' or 'miss'?

    asked by rfvv
  105. intro to psychology

    Regarding differences between the sexes, both evolutionary psychologists and sociobiologists agree that women are more __________ than men.

    asked by elly
  106. algebra

    Writing expressions with variables One more than the product of three and a number x

    asked by Anonymous
  107. algebra

    Ten less than the product of three and a number x. my answer is 10-3x

    asked by Anonymous
  108. Physics - Equalibrium

    Three Fixed pulleys with a common center have the following radi of Ra=16cm, Rb=24cm and Rc=36cm with the applied forces

    asked by Nathan
  109. Microeconomics

    A ban on imported avocadoes will result in_______ a. an increase in the total surplus because domestic production will increase. b. no change in total surplus because the reduction in consumer surplus will offset the increase in producer surplus c. a

    asked by Juan