Questions Asked on
February 18, 2016

  1. Calculus

    find the radius and center of curvature of the parabola y=x^2 -4x + 4 at any point (x,y) on the curve.draw the circle of curature.

    asked by Anonymous
  2. English

    I need help with writing an essay. Please!

    asked by Alie
  3. MATH HELP

    A Lights-A-Lot quality inspector examines a sample of 25 strings of lights and finds that 6 are defective. a. What is the experimental probability that a string of lights is defective? b. What is the best prediction of the number of defective strings of

    asked by Hanna
  4. ashworth

    In an interrogation setting, the strategy of fabricated evidence involves all of the following EXCEPT: A. falsely informing a suspect that an accomplice has ident6ified her or him. B. falsely stating that physical evidence exists that confirms his or her

    asked by Anonymous
  5. Math

    There was an equation I was stuck on; 5x-3(x+2)=-12 solve for x. I tried working on it and got left with 5x squared is = to -6 but didn't know what to do after that? Please help

    asked by Sonja
  6. ashworth

    Which of the following concepts best captures the utilitarian notion that each person’s welfare is equally important and, thus, that no one person’s happiness should be regarded as more important than any other person’s? A. Fecundity B. Psychological

    asked by Anonymous
  7. Biology

    which nucleic acid statement is true? A. mRNA codes for DNA B. mRNA codes for protein C. tRNA makes amino acids D. tRNA makes lipids I think B

    asked by sharon
  8. Biology

    bond that holds atoms together in a molecule are... A.radiation energy B. kinetic energy C. thermal energy D. potential energy

    asked by sharon
  9. math

    which is the least? 3/7, 2/5, 1/2, 1/3 I have no idea!

    asked by sharon
  10. criminal justice

    Which of the following statements is most likely to be used to advocate ethical egoism? A. In making decisions that affect ourselves, we should seek to be as impartial as a disinterested spectator. B. If no harm is being caused by a situation that brings

    asked by Anonymous
  11. ethics, crime and criminal justice

    __________ regards pleasure as the ultimate good, but demands that we consider the pleasures and pains of others in our moral contemplations. A. Use corruption B. The felicity dilemma C. Consequentialism D. Social hedonism

    asked by Anonymous
  12. Math

    If the length of the of a circle is 15 inches, what is the length of the radius of the circle? A. 7.5 inches** B. 15 inches C. 30 inches D. any length between 0 and 15 inches I think the answer is A. Check?

    asked by Hope
  13. ethics, crime and criminal justice

    The rational, overriding principle promoted by utilitarianism is the: A. greatest number principle. B. greatest happiness principle. C. greatest utility principle. D. None of the above

    asked by Anonymous
  14. ethics, crime and criminal justice

    Law enforcement officers keeping money confiscated from a drug bust for personal monetary gain could be regarded as a form of: A. economic corruption. B. noble-cause corruption. C. use corruption. D. police violence.

    asked by Anonymous
  15. math

    An ice cream truck began its daily route with 92 gallons of ice cream. The truck sold 61% of the ice cream. How many gallons of ice cream were sold?

    asked by bri
  16. Math

    Create a piecewise function of the following scenario where D(t) is the total distance walked in miles as a function of time T (in minutes) You begin a walk from your home at a fast pace of 6 miles per hour for 30 minutes. You rest for 15 minutes, and then

    asked by Kay
  17. chemistry

    based on your calculated rf values which cations formed weakly charged complexes

    asked by jawaher
  18. chemistry

    a student was investigating the properties of a liquid L. He found that it turned phenolphthalein indicator red but when a piece of litmus paper was dipped into liquid L it turned blue. Which of these liquids could it be? a Aqueous ammonia b Lemon juice c

    asked by vidya
  19. science

    Hcl is titrated against 5ml of sodium carbonate of strength 0.0133 then what should be the mean value of HCl added ?

    asked by Anonymous
  20. chemistry

    Hcl is titrated against 5ml of sodium carbonate of strength 0.0133 then what should be the mean value of HCl added ?

    asked by Shareen
  21. Math

    If the length of the of a circle is 15 inches, what is the length of the radius of the circle? A. 7.5 inches** B. 15 inches C. 30 inches D. any length between 0 and 15 inches I think the answer is A. Check?

    asked by Hope
  22. math

    Develop a unit of learning at the end of which learners should be able to: reduce any angle in the first quadrant of a Cartesian plane to a difference of 90 and an acute angle. I have tried it as follows: 1. write down any three acute angles. 2. draw the

    asked by william
  23. science

    47.25 L sample of nitrogen is determinedto contain 0.75 mole of nitrogen moles of provided presure remain the same?

    asked by Anonymous
  24. science

    47.25 L sample of nitrogen is determinedto contain 0.75 mole of nitrogen moles of provided presure remain the same?

    asked by nympha
  25. programming logic and design

    Using a flowchart write a program that does the following: •Create the logic for a program that accepts input values for the projected cost of a vacation and the number of months until vacation. Use both values to totals that displays the amount you must

    asked by mello
  26. Statistics

    The following is a histogram (right skewed) of the first ten terms of a geometric distribution with p = .4. The mean of this distribution is 2.5 and the standard deviation is approximately 1.93. What's the shape of the distribution of sample means for

    asked by Jim
  27. science

    A feather is dropped on the moon from a height of 1.40meters.The acceleration of gravity on the moon is 1.67m/s^2.Determine the time for the feather to fall to the surface of the moon.

    asked by chris
  28. Calculus

    a funnel of specific volume V, is to be in the shape of a right-circular cone. find the ratio of the height to the base radius if the least amount of material is to be used in its manufacture.

    asked by Patrick
  29. Physics

    A car starts from a certain point at a velocity of 100 kph. After 20 seconds, another car staring from rest, starts at the same point following car A at a uniform acceleration of 3 m/s². Assuming that the road is boundless will car B overtake car A? If

    asked by jerd
  30. chemistry

    why does phosphorous and some other elements have two or more oxidation states

    asked by vidya
  31. MATHS LIT,GEO.HISTRY, LIFE SCIENCE

    I DO NOT KNOW WHAT TO CHOOSE IN MY CAREER ?AS I DO THESE SUBJECTS CAN SOMEONE HELP ME WITH MY CAREER!

    asked by ZINTLE MBALISWANA
  32. Calculus

    Which of the following integrals cannot be evaluated using a simple substitution? the integral of the square root of the quantity x minus 1, dx the integral of the quotient of 1 and the square root of the quantity 1 minus x squared, dx the integral of the

    asked by Ella
  33. Calculus

    Which of the following definite integrals could be used to calculate the total area bounded by the graph of y = 1 – x2 and the x-axis? the integral from 0 to 1 of the quantity 1 minus x squared, dx plus the integral from 1 to 2 of the quantity 1 minus x

    asked by Ella
  34. social studies

    Who were the Mayans?

    asked by Diana
  35. MATH

    1 3/4 cups for 8 serving if the recipe increase to 24 serving how many cups of milk are needed

    asked by DJ
  36. college loan

    if i take out a loan for $10,000.00 and pay $300.00 a month at 5.00 % interest how long until paid off ?

    asked by Anonymous
  37. English

    Which of the following represents faulty logic A. Poor people get sick. B. Children are expensive to raise. C. The profit from selling children will improve the economy. D. Eating children will decrease the population. I chose A, am I correct?

    asked by Justine
  38. MATH

    1 3/4 cups of milk for 8 serving if the recipe increase to 24 serving how many cups of milk are needed. I

    asked by DJ
  39. Art Help plz!

    Movie proffesionals such as prop designers and graphic designers wor together to create a believable film. Which method of creating a believable screenplay is unique to the job of screenwriter. A:Research of time period architecture and design B:research

    asked by Anonymous
  40. Maths

    Find a number between 20 and 30 that is half the sum of its factors

    asked by Jessica
  41. us history

    Which factor contributed to growing conflict over slavery from the 1820s through the 1850s

    asked by Angie
  42. Mathsss

    Mean of 6,8,10,3,7and m is 7 find value of "m"

    asked by Gurman jagal
  43. Economics

    How does the expenditure approach calculate GDP? ____________________________________ A. It adds up all the incomes in the economy. B. It adds up the value of four groups of final goods and services. C. It adds up the value of business goods and services.

    asked by ♥Nirvana♥
  44. Social Issues

    Which statement best describes the militia theory?

    asked by Dakota
  45. Math

    Given: Triangle SVX is congruent to triangle UTX and Line SV is parallel to line TU. Prove: VUTS is a parallelogram. Statement : Reason. 1. Tri SVX is congruent to Tri UTX. Reason: Given. 2. Line SV is parallel to line TU. Reason: Given 3. Line SV is

    asked by Tim
  46. precalc

    f(x)= x + 3. Find and simplify : f(a+h)−f(a) h the x +3 is under a radical sign as well! so its the square root of x +3

    asked by Jillian
  47. Geometry

    Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. 4. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. 5. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3.

    asked by Sue
  48. Math

    Your baseball team has won 6 games and lost 4 games.if the team doesn't lose any more games,how many games must the team win to have a win:lose ratio of 2:1

    asked by Rachel
  49. Physics

    a helium balloon has a volume of 300 ft^3 and is floating at an altitude where the temperature is 265 K. How high does its temperature have to go for the ballon to expand to 450 ft^3?

    asked by Oscar
  50. Math

    find the height of a triangle with the area=110ft2 and base 10 ft? 5.5ft 22ft 550ft 11ft•• Correct me plz

    asked by Laila
  51. Geometry

    A trapezoid may have three congruent sides. True or False I think true

    asked by Sue
  52. maths-probability

    What is the probability of rolling 4 on two number cubes? I got 1/36 as the answer. Is this correct? Please help.

    asked by Munna
  53. math

    The company used the average cost formula to determine that the cost of merchandise inventory at december 31 was $65,000. on December 31, it would have cost $80,000 to replace the merchandise inventory, so the following entry was made Dr. Merchandise

    asked by alap
  54. social studies

    Why is the inside lag for monetary policy shorter than for fiscal policy? A) Congress and the President can act quickly to change monetary policy. B) The Federal Open Market Committee must get Congressional approval. C) It can take a long time for new

    asked by cookie☺
  55. math

    the length of a rectangle is 7cm more than its breadth.If the perimeter is 62cm, find the length and breadth.

    asked by Neelesh
  56. Chemistry 101

    what is CAH2 + H20

    asked by Linda
  57. PreCalc

    = x + 3. Find and simplify : f(a+h)−f(a) /h the x +3 is under a radical sign as well!

    asked by Jillian
  58. math

    If third term of an A.P. is four times of first term and sixth term is 17. find the series.

    asked by shakib malik
  59. northdale middle school

    a ski rental charges $27.00 for 3 hours and $45.00 for 5 hours. What is the equation?

    asked by Dylan
  60. Driver Education

    How would you evaluate the possibility of your being involved in a collision? Explain.

    asked by Victoria
  61. science

    What volume of H2 gas, in mL, would be occupied by 0.00465 moles of H2 gas at a temperature of 0 °C and a pressure of 760 mmHg?

    asked by honest
  62. Physices

    A body of mass 25km moving a 3.0ms on a rough horizotal floor is brought to rest after slinding through a distance of 2.5m on the floor. Calculate the coefficient of static friction (g=10m/s)

    asked by Perpetua
  63. Help!!

    During which time period is the Boston Triumvirate associated?

    asked by Amber
  64. Geometry

    Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: 3. Yes,

    asked by Sue
  65. physical science

    a head ball of mass 600g is thrown vertically upwards from ground level and reaches the maximum height of 20metres.calculate the initial velocity of the ball

    asked by vinny
  66. Math

    A car traveling at 46 mi/h slows to a speed of 23 mi/h in 5 seconds. It maintains that speed for 5 seconds and then slows to stop after 5 more seconds. Which graph shows the car's speed overtime

    asked by Amber
  67. economics

    Which goods would be included in the calculation of GDP? A. toys made in China at a factory owned by a U.S. company B. cars made in Tennessee at a factory owned by a Japanese car company C. plastic made in Kentucky and sold to a toy maker in Ohio D. cotton

    asked by Becca
  68. math

    If P (x, y) is a point on da line segment joining da points A(6,8) & B(-8, 6) prove that x+y=2

    asked by rahul
  69. Check my answers

    Which function is a quadratic function? A. y=2/x B. y=2/x/*** C. y=2x-3 D. y=-2x^2-x

    asked by Amber
  70. History

    Is there any credible sites that tells how electricity impacted america?

    asked by candice
  71. maths and science

    A farmer sells eggs in trays.Each tray contains 30 eggs.a shopkeeper sells these eggs in dozens.If a shopkeeper needs 8 dozens a week,how many trays of eggs should he buy from the farmer?

    asked by mosese
  72. Driver Education (Check)

    How does this sound? How would you evaluate the possibility of your being involved in a collision? Explain. A: In any given year, the likelihood of your being involved in a collision is about 1 in 9. No matter how confident you may feel or how well you've

    asked by Victoria
  73. Global Studies - Help

    Does anyone know any links? In which way are the legal differences among men and woman in Saudi Arabia most apparent> A) West of India B) South of the Arctic Circle C) North of the Equator D) East of the Mediterranean Sea

    asked by CyberDarkness
  74. Math! Pls Help!

    Describe how you would estimate the square root of a number that is not a perfect square without using a calculator.

    asked by Talia
  75. Math

    If a person is charged 1.5 cents per mile,how much will he have to pay after he drives one thousand miles?

    asked by Bruce
  76. science

    If a ball that is freely falling has attained a velocity of 19.6 m/s after two seconds, what is its velocity five seconds later?

    asked by Anonymous
  77. algebra

    a student works no more than 25 hours each week at a part-time job. what would be the inequality that represents how many hours the student can work each day?

    asked by Ashlynn
  78. Math

    Jackie makes patterns. She makes each pattern with 5 counters. she makes 13 patterns. How many counters does she need? Show your working.

    asked by Kevin
  79. Math

    Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. Does an isosceles trapezoid have two sets of parallel sides? Why or why not? Explain. Does a rhombus have two sets of congruent sides? Why or why not? Explain. Answer: Yes,

    asked by Sue
  80. Physics

    A third baseman makes a throw to first base 39.7 m away. The ball leaves his hand with a speed of 37.0 m/s at a height of 1.5 m from the ground and making an angle of 19.5 o with the horizontal. How high will the ball be when it gets to first base?

    asked by Edwin
  81. Chemistry

    1) If I add 10 grams of salt into 0.1 L of water, what is the molarity of the solution? 2) Serial dilution is a common technique to make low concentration solutions. Each Serial Dilution involves taking half the solution and mixing it with a solvent, to

    asked by Caitlyn
  82. algebra 1

    does 4x+5y=0 represent a direct variation? if so, find the constant of variation. complete the steps to solve 4x+5y=0 for y.

    asked by natalie
  83. Math/Finance

    Randy had $2000 he wants to double in 2 years. What is the approximate rate he will need??

    asked by Mandy
  84. Math

    Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus

    asked by Mike
  85. Chemistry

    the atomic spectrum of lithium has a strong red line at 670.8 nm. what is the energy of each photon of this wave length? What is the energy of 1 mole of these photons??

    asked by Maxx
  86. World cultures

    Describe two ways that Europe could divide into smaller regions

    asked by Anonymous
  87. History

    Can someone please check these? I would greatly appreciate it. Thanks! 1. What was the purpose of the Freedmen's Bureau? a. to free the slaves b. to feed, clothe, and educate former slaves*** c. to move former slaves to the Northern states d. to ensure

    asked by Blair
  88. Computer Science

    Create a Raptor Flowchart that calculates the amount a person would earn over a period of time if his or her salary were five cents the first day, ten cents the second day, and so on doubling each day. Your program should: 1. Request the number of days. 2.

    asked by Allison
  89. algebra

    For the polynomial function, find f (-1) and f (2) f (x) = -x2 + 5 x3 - 6 f (-1) = ? f (2) = ?

    asked by key
  90. Math

    A house worth $350,000 when purchased was worth $335.000 after the first year and $320,000 after the second year. If the economy does not pick up and this trend continues, what will be the value of the house after 6 years. A) determine if is arithmetic or

    asked by Andres
  91. Science

    Can someone please check my answers? I would greatly appreciate it. Thanks! 1. Which of the following inner planets has virtually no atmosphere? a. Mercury*** b. Venus c. Mars d. Earth 2. Which of the following statements about the inner planets is true?

    asked by Blair
  92. Chemistry

    Five grams of sodium are combined with unlimited bromine. How many moles of bromine are used up? How many liters of bromine would be used if the reaction took place at STP? My answer: .1088 mole Br2 and 2.44 L Br2

    asked by Anonymous
  93. Math

    Are the diagonals of a parallelogram perpendicular? Why or why not? Explain. They can be, for example if in a parallelogram the two diagonals are perpendicular then the parallelogram is a rhombus

    asked by Mike
  94. Algebra

    Use a calculator to find the mean and standard deviation of the data. Round to the nearest tenth. 6,7,19,7,18,7 A. mean = 9; standard deviation = 26.4 B. mean = 11.9; standard deviation = 26.4 C. mean = 10.6; standard deviation = 6.1 D. mean = 9; standard

    asked by Veronika
  95. Economics

    Why does unemployment rise when the economy slows? A. Decreased demand for goods causes demand for labor to go down.**** B. Decreased demand for goods causes the cost of labor to go up. C. Increased demand for goods causes demand for labor to go down. D.

    asked by ♥Nirvana♥
  96. Math (check answers)

    Hi there, I need help solving a proof. I put all my answers in for the blank spaces, but number 4 I can't get. If someone could help that would be great. Thank you! Given: Triangle SVX is congruent to triangle UTX and Line SV is parallel to line TU. Prove:

    asked by Jenny
  97. Social studies

    Who held the most power under the system of feudalism? Peasants. Vassals. Lords. (MY ANSWER) Knights.

    asked by LOVE
  98. physics

    A bag of sugar weighs 3.00 lb on Earth. What would it weigh in newtons on the Moon, where the free-fall acceleration is one-sixth that on Earth? N Repeat for Jupiter, where g is 2.64 times that on Earth. N Find the mass of the bag of sugar in kilograms at

    asked by lisa
  99. Art PLZ Correct ME!!

    Which statement is the best comparison of the symbolism behind Chinese in the Egyptians and lions? A) both Egyptian and Chinese lines represent royalty B) Chinese lines represent fear while Egyptian lions are symbolic of prosperity C) Chinese and Egyptian

    asked by Kaila
  100. physics

    A 61-kg man standing on a scale in an elevator notes that as the elevator rises, the scale reads 815 N. What is the acceleration of the elevator? m/s2 upward

    asked by lisa
  101. physics

    A 5.4-kg bucket of water is raised from a well by a rope. If the upward acceleration of the bucket is 3.7 m/s2, find the force exerted by the rope on the bucket.

    asked by lisa
  102. mathematics

    between which two integers does the cube root of 9 lie

    asked by Bongiwe Gamede
  103. Social studies

    How did monks preserve ancient culture? By hiding statues in their monasteries. By teaching classical law in universities. By copying Greek and Roman works. (MY ANSWER) By building churches modeled after temples.

    asked by LOVE
  104. Physics

    A golf ball hit at a speed of 77 m/s will carry (achieve its maximum flight distance of) 256 m when driven at a launch angle of 16 deg. What would be its horizontal range in a vacuum if launched at the same speed and at the same angle ?

    asked by Edwin
  105. English I

    What are a couple REALLY good thesaurus sites that you would recommend?

    asked by ( ͡° ͜ʖ ͡°)
  106. Social studies

    What legacy did Emperor Justinian leave for modern Europe? A legal code that organized Roman laws. (MY ANSWER) A treaty with the Roman Catholic Church. A method of absolute rule. An ancient sports stadium.

    asked by LOVE
  107. Social studies

    Do both chinese and egyptian latinas represent loyalty? I think it's a yes I'm I wrong or right

    asked by Kaila
  108. social studies

    What is the policy used most by the Fed to change the money supply? A. changes in the money creation policy B. changes in the discount rate C. changes in the reserve requirements D. open market operations Is it D?

    asked by puppymonkeybaby
  109. Health

    Overly active oil glans ma cause which condition. Acne.(MY ANSWER) dermis. Diabetes. Fatigue.

    asked by LOVE
  110. business

    what ethical social political issue might arise from using wiki

    asked by teresa
  111. Math please help urgent!!

    2. If m

    asked by Anna
  112. Maths

    X varies directly as the product of u and v and inversely as their sum. If x=3 when u=3 and v =1, what is the value of x if u=3 and v=3

    asked by Ifeoluwa
  113. maths

    given the quadratic sequence -2;0;3;7;... 2.1 write down the value of the next term of the sequence

    asked by HerMajesty
  114. Health

    The best thing to put on severe sunburn to help relive the pain is? Cocoa butter. Cold water. (MY ANSWER) because it said to not apply any lotions. Ointment. Vaseline.

    asked by LOVE
  115. physics

    a copper wire with a diameter of 1.5mm is joined to an aluminium wire which has a diameter of 2.3mm.the wire carries a current of 12A.what is the current density in each wire

    asked by mat
  116. Chemistry

    I NEED HELP ASAP Here's the problem I'm struggling with: When 1.00 mole of ethlyene (C2H4) is burned at constant pressure, 1410 kJ of energy is released as heat. Calculate delta H for a process in which 10.0 g of ethlyene is burned at constant pressure.

    asked by Ian
  117. physics

    find the drift velocity of the electrons in the copper wire (there are 8.5*10^28 free electrons per m^3 in copper)

    asked by ruth
  118. HELP ME ON MATH

    1. The letters for the word MATH are placed in a bag. Two letters are selected with replacement. Which statements are true about the tree diagram that could represent the possible outcomes? Select TWO that apply. a. There would be 4 tree bases. b. Each

    asked by Sissy
  119. Health

    What reason do studies show why more people with high blood pressure and diabetes live In the suburbs than in the city? There are much better doctors in the city who treat those diseases more effectively. (Maybe) People re not as physically active and rely

    asked by LOVE
  120. Math

    A flying disc has a radius of 7 inches. What is the area of one side of the flying disc to the nearest square inch? Use 3.14 as an approximation for pi.

    asked by Claire
  121. Language

    The reporter is heading to the marketplace to cry the news about the selection result Use a dictionary definition to determine the best meaning of cry as it is use in this sentence? A. To call out for help B. To announce in public •• C. To shout D. A

    asked by Kaila
  122. maths

    consider the arithmetic sequence which has the second term equal to 8 and the fifth term equal to 10 2.1.1 determine the common difference of this sequence

    asked by ntarbie
  123. Math

    A food service worker earns $12 per hour. How much money ,m, does the worker earn on a shift of h hours? What are the answer to these to problems. Dependent variable ——————— Independent variable ————————

    asked by Kenneth hoon
  124. Physics

    Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless, massless pulley. Block B hangs down vertically. When the two blocks are released, Block B accelerates downward at a rate of

    asked by Emily
  125. Physics

    Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless, massless pulley. Block B hangs down vertically. When the two blocks are released, Block B accelerates downward at a rate of

    asked by Rachel
  126. Physics

    A sign is hanging from three ropes. The tension in the lefthand rope, T1, is 460.80 N. Angle θ1=68.9°, and angle θ2=33.8°.What is the tension, T2, in the righthand rope? What is the mass of the sign?

    asked by Rachel
  127. science

    write aprogram and flowchart to read anumber from 1-12 and print the name of the month

    asked by write aprogram and flowchart to read anumber from 1-12 and print the name of the month
  128. science

    a 54-gram sample of an unknown material has a volume equal to 20cm3 what is the identity of the substance

    asked by kyle
  129. Health

    4.) Most unintentional poisonings occur in children under... (1 point) A. 10 B. 2 C. 5 *** D. 6 months 9.) As a universal precaution, use ___ whenever possible if you are going to be in contact with bodily fluids. (1 point) A. latex gloves *** B. band-aids

    asked by tessa
  130. science

    an ice cube a glass of cold water in a

    asked by kyle
  131. Calculus

    A differential equation that is a function of x only a.will produce a slope field with parallel tangents along the diagonal b.will produce a slope field that does not have rows or columns of parallel tangents c.will produce a slope field with rows of

    asked by John
  132. science

    a bananan turning brown when exposed to the air is an example of

    asked by kyle
  133. physics

    find the approximate current density when an electric field of 5v/m is applied to a copper conductor.the conductivity of copper is 59.6*10^6

    asked by mat
  134. English

    Nine Haikus During a Drought In the dusty lane A frog waits for a puddle To fall from the sky Which form best describes this poem? A. limerick B. Haiku C. Concrete D. Narrative My choice is B. Haiku What about the poem best supports the answer to the

    asked by Brian
  135. Math PLEASE!

    Hi there, I need help solving a proof. I put all my answers in for the blank spaces, but number 4 I can't get. If someone could help that would be great. Thank you! I've been trying to figure this out for the past two days and I'm honestly freaking out. My

    asked by Jenny
  136. Calculus

    dy/dx=x/(x-4) I.will have a slope field with negative slopes in quadrant I II.will have a slope field with positive slopes in all quadrants III.will produce a slope field with columns of parallel tangents

    asked by John
  137. science

    a blank property of matter describes an ability to change into different substances

    asked by kyle
  138. Language Arts

    1. When the speaker in “Winter” says, “I collect books / For the coming winter”, what is her attitude toward the coming cold weather? A. positive B. uninterested** C. fearful D. angry 2. A concerete poem, such as “Seal,” A. Has few or no

    asked by Hope
  139. science

    an ice cube, a glass of cold water, and a swimming pool are each exposed to the same amount of sunlight on a hot day. after five minutes, the ice cube is melted and the cold drink is two degrees warmer, but the temperature of the swimming pool remains

    asked by kyle
  140. Math

    Find the area of a rectangle whose length is more than its width and the width is equal to the side of a square whose area is 144.

    asked by Anonymous
  141. science

    a banana turning brown when exposed to the air is an example of what

    asked by kyle
  142. Algebra

    Last year a large trucking company delivered 6×10^5 times of goods with an average value of $27,000 per ton. What was the total value of the goods delivered? Write the answer in scientific notation A. 1.62 x 10^11 B. 1.62 x 10^9 C. 1.62 x 10^10 D. 1.62 x

    asked by Cami
  143. Language Arts

    Check please 1. Like the pink petals of the azalea blossoms in “The Rider”, something that is LUMINOUS A. can be only seen at night B. cannot be seen at night C. gives off light** D. is beautiful 2. In which sentence is the word MINNOWS used correctly?

    asked by Khylanni
  144. Chemistry

    16. Aluminum chloride, AlCl 3, is made by treating scrap aluminum with chlorine. 2 Al(s) + 3 Cl2(g) → 2 AlCl 3(s) If you begin with 2.70 g of Al and 4.05 g of Cl2, (a) Which reactant is limiting?

    asked by Marine.t
  145. PHYSICSHELP

    For the Atwood's Machine so the mass on the right side is 5 kg box which is 3m from the *table (represents the straight line)* The left side of the pulley is 2kg box which is at the table. 1.) How do you know or what do you know about the force of tension

    asked by Dina
  146. Math

    Bobby is hiking along the Appalachian trail. On Thursday he hiked 15 1/3 mile. On Friday he hiked 2 3/4 mile less. How much has he hiked so far?

    asked by Cyndi
  147. Help on math!

    A bag contains 4 white, 3 blue, and 5 red marbles. 1. Find the probability of choosing a red marble, then a white marble if the marbles are replaced. A. 1/12 B. 5/36 *** C. 5/6 D. 5/12 2. Find the probability of choosing 3 blue marbles in a row if the

    asked by Alistair
  148. science

    why did a portion of the table top get cold when Natasha placed her cold drink on the table

    asked by kyle
  149. Math

    Cougar Pizza Parlor has just opened up across the street. You are thinking of inviting some friends over for pizza and ordering from Cougar's. You want to get the most pizza for the money. The menu shows the following prices. 6- inch round pizza....$7.50

    asked by Ariel
  150. Math

    Veronica is 2 years old than her brother Peter. The sum of their ages is 24. How old is Veronica, and how old is Peter?

    asked by John
  151. Math

    There are 24 players, on a softball team. 10 of the players can pitch, 6 can play first base, and 4 of the players can do both. How many players can neither pitch nor play first base?

    asked by Liahh
  152. Math

    5 2/11 + 4/7 + 3 + 3 3/7 + 9/11 + 7 + 1/3 = ?

    asked by Alfredo
  153. Math

    The floor of a round hut is 10m in diameter. A weaver charges $15.50 to make a mat to fit the floor . Find the cost of the mat per square meter . Work- area of a circle = 3.1 * 5*5=77.5 Cost per square meter =77.5\15.5= 5 cents per square meter

    asked by Amina
  154. Math

    In the equation, find the value of x 2/x - x/5 = 1/5

    asked by Alfredo
  155. Math

    If you were 35 years old in the year 1225. It would be a very special time mathematically because 35^2 = 1225. That is the square of your age at the moment is equal to the year. Augustus de Morgan, a famous mathematician was one of those lucky people and

    asked by Ares
  156. calc 1

    If h(x) = the square root of 4 + 3f(x) where f(2) = 4 and f '(2) = 2, find h'(2). i got the derivative as 1/2(4+3f(x))^-1/2 then i solved for the inside which is (0+3(8)) then multiplied the the two eating and i got 3.... but answer is wrong =(

    asked by feather
  157. Math

    Randy had $2000 he wants to double in 2 years. What is the approximate rate he will need??

    asked by Cali
  158. Chemistry

    the atomic spectrum of lithium has a strong red line at 670.8 nm. what is the energy of each photon of this wave length? What is the energy of 1 mole of these photons?? -do you use the e=h x v ??

    asked by Cali
  159. CHEMISTRY

    Calculate the amount (in mL) of 1.520M NaOH that is required to add the following acetic acid solution to prepare a buffer with the corresponding pH: 30.00mL of a 5.00% (w/v%) acetic acid; the resulting acetate buffer has a pH of 5.75. pKa of acetic acid =

    asked by Jeff
  160. civics

    What was the purpose of the Little rock nine going to the high school?

    asked by andrea
  161. chem

    Carbon dioxide gas has a Henry's law constant of 4.48×10-5 M/mmHg at 25.0 °C when dissolving in water. If the total pressure of gas (CO2 gas plus water vapor) over water is 1.00 atm, what is the concentration of CO2 in the water in grams per milliliter?

    asked by james
  162. Math

    Adriana opens her own book store. She sells a hard cover book for $18 and a paperback for $8. Comic books cost $6.50. Adriana's goal is to earn no less than $50. How many comic books must she sell?

    asked by Sidney
  163. Chemistry

    how do i figure out "What is the energy of 1 mole of these photons" energy= 2.93x10^-19 wave length = 670.8 nm

    asked by Manny
  164. Math

    The laurelwood pta is presenting it's 5th annual talent show and Kate is collected tickets at the door the gym is filled with 215 students and adults. Students tickets are .50 and adults tickets are 2.00. If Kate collected 250.00. How many adults and how

    asked by Erin
  165. Personal Finance

    Jody Asbell and three of her friends purchased a small shopping center in their town. They paid $985,090 and made a down payment of $125,000. They rented five of the stores for $3,400 each per month. Their annual expenses were mortgage interest of $65,000,

    asked by Rudy
  166. Math Help Personal Finance

    Kendrick Campbell purchased a $25,000 municipal bond at a quoted price of 93.456. The bond pays annual interest at a rate of 3.7%. What is the annual interest?

    asked by Rodney
  167. Personal Finance

    Jarell Tarver invested $20,000 in the Boyd Kern Mutual Fund (Type A). The net asset value is $21.34 per share. The fund is front-loaded with a loading rate of 5.25%. What is the loading charge?

    asked by Rudy
  168. Economics

    What is an example of a positive external shock to aggregate supply? ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: A. Good weather leads to an unusually productive harvest for corn farmers. **** B. A popular new diet

    asked by Nirvana
  169. math

    What is the slope of the line that passes through (-2,-3) and (1,1)? A.-2 B.-1 C.1 D.2

    asked by bruh
  170. math

    An English teacher needs to pick 10 books to put on his reading list for the next school year, and he needs to plan the order in which they should be read. He has narrowed down his choices to 5 novels, 6 plays, 5 poetry books, and 6 nonfiction books. Step

    asked by Comet
  171. algebra

    2. W/4 - 4 = 3 a)-4 b)28****** c)3 d)11 3.X/5 + 6 = 10 a)44 b)30******* c)20 d)-20 4.-2(m-30)=-6m a)-15 b)-13************ c)-8 d)8 5.3.75x+3.7=1.7+1.75x a)10 b)-1 c)1***** d).1 Please check my answers :)

    asked by Amber
  172. Science

    Does anyone know the answer to this? 2.50mL Fe =? atoms Fe, Dfe =7.87 g/mL

    asked by Popla
  173. programming

    Create the logic for a program that calls a method that computes the final price for a sales transaction. The program contains variables that hold the price of an item, the salesperson's commission expressed as a percentage, and the customer discount

    asked by Elaine
  174. Math

    If a certain square measures 2.5 feet on one side what is the area of the square and square inches

    asked by John
  175. Algebra

    your are building a soccer field. the length has to be 30 m longer than the width, and the total perimeter must be between 320i m and 360 m.

    asked by Miguel math
  176. math

    kelly has a collection of red and blue marbles. The ratio o red to blue marbles is 3 : 7. She has 80 marbles

    asked by lei
  177. Pre-Calculus

    2. Write an equation in slope-intercept form of a line with the given parametric equations. x = 9t + 2 y = 2t – 2 answer choices: a)y=(2/9)x - (22/9) b)y=(22/9)x + (2/9) c) y=(9/2)x - (9/22) d) y=(2/5)x + (2/3) If you could show some work, because I'm

    asked by jewellry
  178. Math

    Two teams, the Exponents and the Radicals, square off in a best of 5 math hockey tournament. Once a team wins 3 games, the tournament is over. The schedule of the tournament (for home games) goes: E-R-E-R-E If the Exponents are playing at home, there is a

    asked by chels
  179. math

    if 11 is 4 less than 3 times a number, what is the number?

    asked by keegan
  180. math

    The atmospheric pressure P(h) (in pounds per square inch) at a height h (in miles) above sea level on Earth satisfies a differential equation P' = -kP for some positive constant k. (a) Measurements with a barometer show that P(0) = 1.2 and P(9) = 0.7. What

    asked by MAin
  181. Math

    Aaron has 120 sports cards. 3/8 of them are football cards and the rest are baseball cards. how many baseball cards does he have?

    asked by Selina
  182. I'm really stuck on math!

    One-half of the students at Greendale Middle School take art. Two-thirds of the students take Spanish. Deshawn uses a coin and a standard number cube as a simulation of the students at Greendale Middle School. Deshawn lets “T” represent a student

    asked by Ember
  183. Math

    Mrs. Collin has 140 apples. She uses 2/5 of them to bake a pie and 1/4 of them to make jam. How many apples does she have left?

    asked by Selina
  184. Math

    Bailey has $105. She spends 3/7 on a new jacket and 1/5 on a new sweater. How much money does she have left?

    asked by Selina
  185. Math

    Mr. Cole has $200. He keeps 3/4 of the money for himself and divides the rest equally between his two children. How much money does each child receive?

    asked by Selina
  186. math

    the sum of the length and width of a rectangle is more than 20 units. the length is 5 units more than twice the width,x.

    asked by amos
  187. Driver Education (Check)

    How would you recognize the signs of a problem drinker, and what you do to help that person? A: You would recognize the signs of a problem drinker by looking for chances in a person’s behavior or life situation such as loss of initiative, frequent

    asked by Victoria
  188. algebra

    Three subtracted from 4 times a number is 17. Find the number.

    asked by eudora
  189. Math

    One-half of the students at Greendale Middle School take art. Two-thirds of the students take Spanish. Deshawn uses a coin and a standard number cube as a simulation of the students at Greendale Middle School. Deshawn lets “T” represent a student

    asked by Ember
  190. Chemistry

    How many mL of 1.2 M HCl is needed to react with 5.8 g of Al(OH)3

    asked by Chris
  191. chemistry

    If 15.22 g of mercury (II) oxide decompose, how many moles of oxygen can be produced?

    asked by jules
  192. statistics

    Two cards selected from standard deck of 52 cards. The first is replaced before second card selected. Find the probability of selecting a diamond and then a king

    asked by tim
  193. One Math Problem

    At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;

    asked by Ember
  194. Social Studies

    1. Which most precisely describes the location of Southwest Asia? a) west of India b) south of the Arctic Cirlce c) north of the equator d) east of the Mediterranean Sea**

    asked by Annabelle
  195. Art

    An Asian sculptor creates an image of the Buddha for the local temple. The artist’s primary responsibility is to A. self: as long as he does his best, that’s all that matters. B. Buddha: he must work hard to please this revered leader. C. future

    asked by Queckscope n3rd
  196. Social Studies

    Which of the following most contributed to the rise of Sumer? A. Farming** B. Military Power C. Isolated location D. Trade You are a young woman in Saudi Arabia. Which of these should you not plan to do? A. Apply for a job outside the home** B. Take a test

    asked by Mariah
  197. Chemistry

    Calculate solubility of AgCl (in g/L) in a 6.5*10^-3 M silver Nitrate solution ksp= 1.8 * 10^-10 (AgCl molecular mass is 143.3g) any idea on how to do this this is what i tried> AgCl--> Ag + Cl I 6.5*10^-3 0 C same x E same x ksp = [Ag][Cl] (1.8 * 10^-10)

    asked by Steve
  198. Chemistry

    Five grams of sodium are combined with unlimited bromine. How many moles of bromine are used up? How many liters of bromine would be used if the reaction took place at STP? My answer: .1088 mole Br2 and 2.44 L Br2

    asked by Anonymous
  199. Physics

    The near and the far points of a short-sighted are 8 cm and 20 cm from the eyeball. a) What power of corrective lens is needed for this eye to see distant objects clearly? b)What will the resulting near point then be?(Assume that the lens is placed very

    asked by Sophie
  200. Math

    A clock starts at 12:59. What time is it after the minute hand rotates 24 degrees?

    asked by Peter
  201. Algebra

    Tom and Jerry are working together to weed the garden. Working together it takes them 2 hours and 24 minutes. If it takes Tom two hours longer to finish the job alone than it takes Jerry to finish the job alone, how long would it take each of them to weed

    asked by Megan
  202. Math Help

    At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;

    asked by Ember
  203. Math

    Charlotte divided a whole pizza into 4 pieces . One piece formed a straight angle. One piece formed a right angle . Two pieces formed acute angles with the same degree measure

    asked by Ahmed
  204. Math

    You live 2 3/4 miles from school. In the morning, you walk 1/3 mile directly toward school to the bus stop. Later, when you get off the bus, you walk home the same distance. How many miles do you ride to and from school each day?

    asked by Nick
  205. Finance

    Joseph is 28 and would like to retire at 55. He has $25,000 to invest today and would like to have $1,000,000 in his retirement account when he retires. Joseph has found an investment that will pay him a return of 6% until retirement. How much will Joseph

    asked by Elcia
  206. Chemistry

    Calculate solubility of AgCl (in g/L) in a 6.5*10^-3 M silver Nitrate solution ksp= 1.8 * 10^-10 (AgCl molecular mass is 143.3g) any idea on how to do this this is what i tried> AgCl--> Ag + Cl I 6.5*10^-3 0 C same x E same x ksp = [Ag][Cl] (1.8 * 10^-10)

    asked by Steve
  207. Chemistry

    what volume of 0.120 M NaOH must be added to 100 ml of 0.100 M NaHC2O4 to reach ph of 4.70? The answer is 60 ml but I don't know how to find it. Can you please show me the steps and how to do it please

    asked by Steve
  208. Physics

    Please help me!! I need this as soon as possible. 2.A billiard ball at rest is struck by the cue ball of the same mass whose speed is 5 m/s .After an elastic collision the cue ball goes off at 50 degree with respect to its original direction of motion and

    asked by Anonymous
  209. Physics

    A 14.1 μF capacitor is charged to a potential of 45.0 V and then discharged through an 80.0 Ω resistor. (a) How long after discharge begins does it take for the capacitor to lose 90.0% of the following? (i) its initial charge in seconds (ii) its initial

    asked by Alyssa
  210. chemistry

    calculate the valume of 200g og h2

    asked by monayem
  211. Physics

    There is current of 115 pA when a certain potential is applied across a certain resistor. When that same potential is applied across a resistor made of the identical material but 30 times longer, the current is 0.044 pA. Compare the effective diameters of

    asked by Alyssa
  212. Chemistry

    An atmospheric scientist interested in how NO is converted into NO2 in urban atmospheres carries out two experiments to measure the rate of this reaction. The data are tabulated below. A: [NO]0 = 9.63 × 10-1 M, [O2]0 = 4.1 × 10-4 M t(s)

    asked by Jesse
  213. Physics

    A synchrotron radiation facility consists of a circular ring that has a 48.0 m radius and creates an electron beam with a current of 497 mA when the electrons have a speed approximately equal to the speed of light. How many electrons pass a given point in

    asked by Alyssa
  214. Math

    the sum of two numbers is 27. one number is 3 more than the other number. write and solve a system of equations to find the two numbers. i understand the first equation but i don't know the other one.

    asked by Kevin
  215. chemistry

    A gas sample contained in a cylinder equipped with a moveable piston occupied 300.0 mL at a pressure of 2.00 atm. What would be the final pressure if the volume were increased to 500.0 mL at constant temperature? Answer should include units.

    asked by Kyra
  216. physics

    A cat dozes on a stationary merry-go-round, at a radius of 4.5 m from the center of the ride. The operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 7.2 s. What is the least coefficient of static friction

    asked by Anonymous
  217. Algebra

    Greg invested his savings in two investment funds. The amount he invested in Fund A was 3 times as much as the amount he invested in Fund B. Fund A returned a 6% profit and Fund B returned a 7% profit. How much did he invest in Fund B, if the total profit

    asked by Juan
  218. chem

    If 15.22 g of mercury (II) oxide decompose, how many moles of oxygen can be produced?

    asked by Anon
  219. math

    Enrique’s parents want to save for his education. On his 12th birthday, they deposit $6,000 in a savings account that pays 5% simple annual interest. What will the balance be when he turns 18?

    asked by Julian
  220. Math

    What might the lengths of a horse enclosure border be if the area of the enclosure is 52 square yards?Be sure to give evidence to support your thinking. Draw a picture to support your answer?

    asked by Ashleigh
  221. CHEMISTRY PLEASE HELP APPRECIATE IT LOTS!

    7.) How many moles of fluroine are required to react with 12 g of sodium iodide? I already balanced it but am confused to go from here F2 + 2 NAi ---- 2 NaF + I2 12 g NaI + 2 mol NAI/149.89 gNAi * 1 mol NAF/1 mol NAi * 1 mol F2 / 2 mol NaF 1.) how many

    asked by Anon
  222. Ms. Sue, please help me on math!

    At summer camp 20% of the students come from out of state. Megan wants to simulate cabins of 8 campers. She generates random digits from 0 to 9 and lets the digits 0 and 1 represent a camper from out of state. The table: 69531217; 89542756; 89001254;

    asked by Ember
  223. Math

    Three years ago, Ava lent her sister $400 to buy some clothes. Today Ava’s sister paid her loan in full with $454. What simple annual interest rate did she pay?

    asked by Julian
  224. Math

    There are 28 7th graders in Ms. Thomas's homeroom. Seven of the students are absent today. What percent of the class was absent?

    asked by Sidney
  225. math

    a chef is only making half of the frosting recipe 3 cups granulated sugar 1/4 teaspoon cream of tartar 1 1/2 cups of water 1 cup powdered sugar 1/2 teaspoon vanilla 1/2 teaspoon almond

    asked by larry
  226. Chemistry

    Calculate the molal concentration. A 1% (w/w) solution of cocaine hydrochloride ( molar mass 339.81 g/mol) in water.

    asked by Student
  227. Social Studies

    Where do most people in Arabia and Iraq live? a. in the Fertile Crescent b. in the Rub' al-Khali c. in cities d. in and around Mecca I think either A or C??

    asked by Annabelle
  228. Social Studies

    1. From where did Islam spread? A. from India to Arabia B. from the Persian Empire to the Arab Empire** C. from Macedonia with Alexander the Great D. from Macca and Medina through Arabia 2. Which of the following circumstances poses the greatest benefit

    asked by Sofie
  229. Chemistry

    Using the equation: 2C2H6 + 7O2--> 4CO2 + 6H20 How may moles of 02 are needed to react with 4.0 mol of C2H6? I think the answer is 14, because if you double the C2H6 to make 4.0 mol, then in the equation you will need to double the O2 to 14. Is this

    asked by Eric