Questions Asked on
May 6, 2013

  1. Introduction to Victimology

    •a definition of victimology •its history and how it has developed •explain how its different from criminology, sociology, or psychology •Who established the first safe houses for battered women, as well as where and when these safe-houses were

    asked by clarence cook
  2. Math (algebra)

    Let x=2013, y=140542, z=−142555. Find [(x−y)/z + (y−z)/x + (z−x)/y]*[x/(y−z) + y/(z−x) + z/(x−y)].

    asked by Mathslover Please help
  3. Math

    Let ϕ(n) be the Euler Phi Function. If 1≤n≤1000, what is the smallest integer value of n that minimizes ϕ(n)n? Details and assumptions Clarification: You are asked to find the value of n, not ϕ(n)n. ϕ(1)=1 by definition.

    asked by Mathslover Please help
  4. Math (algebra)

    Suppose a and b are positive integers satisfying 1≤a≤31, 1≤b≤31 such that the polynomial P(x)=x^3−ax^2+a^2b^3x+9a^2b^2 has roots r, s, and t. Given that there exists a positive integer k such that (r+s)(s+t)(r+t)=k^2, compute the maximum possible

    asked by Mathslover Please help
  5. Chemistry HELP!

    In order to standardize a KMnO4 solution, 0.3498 g Na2C2O4 was dissolved in 30 mL water and 15 mL 3.0 M H2SO4. The KMnO4 solution was added to the Na2C2O4 solution until a pale pink color persisted. The titration took 29.5 mL of KMnO4 solution. What is the

    asked by Prue
  6. Physics

    In the following circuit R_1=3 Ohm, R_2=10 Ohm, C=0.003 Farad, V=5 Volts. At time t =0 we connect the power supply to the circuit. At t=0 the capacitor is uncharged. (a) What is the time constant tau (in seconds) to charge up the capacitor? (b) What is the

    asked by Phy
  7. Physics

    I drink from a glass of water with a vertical straw. What's the longest straw I can use and still drink water if the ambient pressure is 1 atm? Give your answer in meters. Details and assumptions 1 atm is 101,325 Pa. The acceleration of gravity is −9.8

    asked by Mathslover Please help
  8. Physics

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

    asked by Mathslover Please help
  9. Physics

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

    asked by Mathslover Please help
  10. Physics

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

    asked by Mathslover Please help
  11. Finance

    4.A thirty year US treasury bond has a 4.0 percent interest rate.In contrast, a ten year Treasury bond has an interest rate of 2.5 percent. A maturity risk premium is estimated to be 0.2 percentage points for the longer maturity bond. Investors expect

    asked by Janaki
  12. Ngono

    What is alcoholism?

    asked by Neshy
  13. Retirement

    1. I would like to retire in 42 years at the age of 65. The average retirement age for women is between 60-62 years of age, and 62-64 for men. 2. My annual amount of money I'll need after retiring would be approxiamately $26,500 (2,205*12=$26,460) using my

    asked by Davoni
  14. maths

    For all positive integers n, let f3(n) be the representation of n in base 3, considered as a number in base 10. For example, since 5 in base 3 is 123, so f3(5)=12. What is the sum of all positive integers n such that f3(n)=8⋅n?

    asked by hemant
  15. Math (Algebra)

    If the sum of 3 non-zero distinct real numbers a, b, and c is 2, and the two sets {a,b,c} and {1/a,1/b,1/c} are the same, what is the value of a^2+b^2+c^2? Note: Two sets are the same if there is a one-to-one correspondence between their elements. For

    asked by Bob
  16. Math

    Suppose the quantity demanded per week of a certain dress is related to price by the demand equation p=√75-2x. In order to maximize revenue, how many dresses should be made and sold each week?

    asked by greg
  17. math

    Consider an 8% coupon bond selling for $953.10 with three years until maturity making annual coupon payments. The interest rates in the next three years will be, with certainty, r1 = 8%, r2 = 10%, and r3 = 12%. Calculate the yield to maturity and realized

    asked by BAZLIAH
  18. chemistry

    An ideal gas in a sealed container has an initial volume of 2.45 L. At constant pressure, it is cooled to 23.00 °C where its final volume is 1.75 L. What was the initial temperature?

    asked by Doll
  19. Math

    A candy store currently sells almonds for $8.50 per kilogram and peanuts for $4.50 per kilogram. It wants to create 20 kilograms of mixed nuts that will equivalently sell for $5.30 per kilogram. How many kilograms of almonds should they use?

    asked by Bob
  20. math

    Are all quadratics of the form y = ax^2+bx +c and y = -ax^2+bx +c functions? Explain your answer.

    asked by Key
  21. account

    1. Business started with Cash Rs. 100,000/-, Bank Balance Rs. 150,000/-, Merchandise goods Rs 40,000/-, furniture Rs. 5,000/- & Office equipment Rs. 30,000/- 2. Goods Purchase from ABC Co of Rs. 40,000/- on cash less 15% discount

    asked by kamala neupane
  22. Life Orientation

    describe 3 environmental health hazards that cause ill health in south africa globally?

    asked by veronique stevens
  23. life orientetion

    What are 5 ways in which you critically discuss how the lifestyle disease impact on the teenager?

    asked by pinkie
  24. math

    What is x^2+6x-91 when factored ???!!

    asked by cely
  25. physics

    a ball is dropped from a point heiht above the ground.on striking the ball it rebounds with a small speed as it strikes with the ground and would hence come up to same height from were it was dropped and motion remained infinetly?draw x-t gaphs?

    asked by lalita
  26. physics

    A motorbike starts from rest at time t=0 and begins to accelerate around a circular track as shown in the figure below. Eventually, at time t=t_1 the motorbike reaches the maximum velocity possible without slipping off the track. What's the minimum length

    asked by dfghndfghncbfv
  27. physics

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

    asked by dfghndfghncbfv
  28. physics

    A typical science question young people have is "Why can a glass can contain water?" and a typical answer is "Because the distance between molecules that make up the glass is smaller than the size of each water molecule." This isn't quite right though.

    asked by dfghndfghncbfv
  29. L.O

    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.inlcude evidence that is current of the identified issues

    asked by Irene
  30. Math

    A firm manufactures light bulbs and those that come out of the assembly line are either defective or good. Every five bulbs that come out, 1 is defective. If 3 bulbs are selected at random, what is the probability that: (i) All 3 are defective (ii) All 3

    asked by Maureen
  31. mill creek high

    what are some examples of archetype in the book

    asked by maria
  32. Math (Algebra)

    What is the remainder when 5×55×555×…×555,555,555 is divided by 100?

    asked by Bob
  33. Math

    a) In what way could the graph be misleading. b) How could you redraw the graph so that it is less misleading

    asked by Anonymous
  34. Math

    A researcher tagged 40 giant turtles in 2008. In 2009 , she returned and captured 50 turtles , 16 of which were tagged. In 2010 , she returned again and captured 30 turtles , 8 of which were tagged. a) Use a proportion to estimate the turtle population for

    asked by Diana
  35. maths

    The magician, The Great Ziginy, is planning his next world tour. He knows a total of 7 different illusions but he only has time to perform 4 of them at any show. The Great Ziggy does not want any two of his shows to be identical, so they cannot contain the

    asked by Sahil
  36. Calculus

    A function is implicitly defined by x^2 - 4y^2 = 9 Find the equation of the tangent to the function at x = 1

    asked by Grant
  37. Pre calc

    Write the equation in standard parabola form? x^2+ 4xy +4y^2 +5root5 y+ 5 = 0 Thanks so much!

    asked by Rebekah
  38. Physics

    a. 2 objects each of mass 200 kg and 500 kg are separated by 50 cm. Where body of mass 20 kg should be placed so that the resultant force of gravity experienced by objects equal to zero? b. launched a rocket leaving Earth. Known radius of the earth 6.4 x

    asked by steffy Jane
  39. Calculus

    A cone is inscribed in a sphere of radius a, centred at the origin. The height of the cone is x and the radius of the base of the cone is r, as shown in the diagram opposite. Find the height, x, for which the volume of the cone is a maximum. (HINT: show

    asked by Grant
  40. Statistics

    A true-false test consists of 20 questions, each of which has one correct answer: true, or false. One point is awarded for every correct answer, but one point is taken off for each wrong answer. Suppose a student answers every question by guessing at

    asked by AmmanJordan
  41. Hospitality Management Accounting

    i don't really understand what kind of calculations they are asking for Charlie is thinking of spending $3,000 more in year 2004 on advertising (part of marketing expense). Because of his marketing courses, he believes he can design appealing

    asked by fad
  42. Maths

    168 children went to a them park. If 1/3 of the girls is equal to 4/9 of the boys, how many boys went to the theme park?

    asked by Alex
  43. math

    question 1 use the laws of logarithms to simplify the expression Inx(x+2)(x+1) question 2 (18m^2n+6m^3n+12m^4n^2)/ (6m^2n)

    asked by mimi
  44. physics

    a .45 kg ball attached to the end of a horizontal cord is rotated in a circle of radius 1.3 m on a frictionless horizontal surface. if the cord will break when the tension in it exceeds 75N what is the maximum speed the ball can have?

    asked by Anonymous
  45. science help plzzzzzzzzzzzzzzz?

    A planet orbiting a star is occasionally hit by comets. Each comet has a mass of 4.8 × 10^6 kg of which 30% is rock and 70% is water ice. Each time a comet hits the planet 40% of the mass of the comet is vaporised and the rest is added to the planet,

    asked by john help me with this question plz
  46. hurry! math

    Find the value of x in 125^x-2 + 125^x-3 = 125^x-4.with explanation

    asked by hurry! nick
  47. chemistry

    determine the number of representative particles in each of the following and identify the representative particle: 11.5 mol Ag; 18.0 mol H20; 0.150 mol NaCL.

    asked by jon
  48. chemistry

    What is the difference between the two strong acids, nitric and hydrochloric acid, when they behave as the oxidised forms in a reduction half-equation?

    asked by alex
  49. Math

    Mr. Wood went to the stores to buy school supplies for his children. He spent half of his money plus $5 at Store A. He then spent half of his remaining money plus $10 at Store B. At the end he had $25 left. How much money did Mr. Wood start with?

    asked by Cheryl
  50. Physics

    A transverse wave traveling in a string takes 1.61 s to move 13.2 m. The mass of a 9.2 m piece of the string is 1.5 kg. What is the tension in the string?

    asked by Maegan
  51. life orientation

    discuss 10 ways in which the environmental health hazard can impact negatively in one's health

    asked by Anonymous
  52. L.O

    Critically discuss 5 ways in which in which xenophobia imapact on the community?

    asked by Sharon
  53. management science

    Suppose the results of an IQ test are normally distributed, with a mean of 10 and a standard deviation of 16. If 150 people took the test, how many do you expect would score between 95 and 130?

    asked by Susan
  54. Physics

    A steel piano wire, of length 1.0 m and mass 4.4 g is stretched under a tension of 650.0 N. What is the speed of transverse waves on the wire?

    asked by Maegan
  55. Physics

    A steel piano wire, of length 1.0 m and mass 4.4 g is stretched under a tension of 650.0 N. What is the speed of transverse waves on the wire?

    asked by Maegan
  56. Social Studies

    I need a 4 paragraph essay on the devil's arithmetic. my theme is "no laugh, no hope. NO hope, no life." THANK YOU (: im not passing and i reallllllly neeed help on this

    asked by Kali
  57. Biology

    How does the changes in the DNA code from CTT to CAT in the beta chain of haemoglobin affect cell activity?

    asked by Maria
  58. life orientation

    identify and describe three environmental health hazards that cause ill health,crises,and or disasters within mamelodi

    asked by thabang
  59. art

    What are the subclaims in Bernini's works of art

    asked by jan
  60. Math

    A rubber ball is thrown straight down from a height of 244 feet at speed of 80 feet per second. If the ball always rebounds with one-fourth of its impact speed, what will be the speed of the ball the third time it hits the ground? My Answer is: 1/4*80=60

    asked by Zach
  61. Math

    Alonzo plans to retire as soon as he has accumulated $250,000 through quarterly payments of $2,500. If Alonzo invests his money at 5.4% interest, compounded quarterly, when (to the nearest year) can he retire?

    asked by Mary
  62. Math

    What is an example on how to use fractions used in graphic design.

    asked by Van
  63. Algebra 2

    Find the expansion of (r + 4)^3. r^3 + (3r^2)(4) + 3r16 + 64?

    asked by Lily
  64. life orientation

    In 10-15 lines critically discuss 5 ways in which the environmental problems impacts on the community. Provide relevant source to support you answer.

    asked by serisha
  65. Math

    You and six of your friends will go on a roadtrip. A seven passenger minivan is rented for the weekend. How many different ways can you and your friends sit in this vehicle?

    asked by Lori
  66. Physics--please help!!

    A hydrogen atom, when vigorously perturbed, can emit light with a frequency of 6.16·1014 Hz. When the same light from hydrogen atoms in a distant galaxy is observed on earth, the frequency is 5.76·1014 Hz. Calculate the speed at which the galaxy is

    asked by Kelly
  67. Physics--please help!!

    A student in a parked car honks the horn, which has a `proper' frequency of 320 Hz. An observer in an approaching vehicle measures the frequency of the sound to be 355 Hz. Calculate the speed of the approaching vehicle. Use 340 m/s as the speed of sound in

    asked by Kelly
  68. health

    (A) identify and describe 3 environmental health hazards that cause ill health, crises, and or disaster within your community or any other community within south africa and globally. Include evidence that is current of the identified issues.( b)critically

    asked by Mpho
  69. chemistry

    The pKb of ammonia solution, NH3(aq) is 4.76. A buffer solution contains NH4Cl and NH3, has a pH of 9.45, and a total ammonia concentration (all forms) of 0.400 M. What is the concentration of NH4+? (Hint: [NH4+] + [NH3] = 0.400 M)

    asked by Anonymous
  70. maths

    The product of the digits of a positive two-digit number exceeds the sum of the digits by 39. If the order of the digits is reversed, the number is increased by 27. Find the number.

    asked by hemant
  71. math

    A candy store currently sells almonds for $8.50 per kilogram and peanuts for $4.50 per kilogram. It wants to create 20 kilograms of mixed nuts that will equivalently sell for $5.30 per kilogram. How many kilograms of almonds should they use?

    asked by Narendra
  72. Math

    The local dinner offers a meal combination consisting of an appetizer, two soups, four main courses, and five desserts. Your diet retricts you to choosing between a dessert and an appetizer. (You cannot have both). Given this restriction, how many

    asked by Don
  73. chemistry

    We have a tank that contains O2 at 146 mmHg, N2 at 146 mmHg, and CO2 at 138 mmHg. We then add 135 mmHg of Ar. What is the pressure in the tank?

    asked by Jenny
  74. human life

    critically discuss 10 ways in which air pollution can impact negatively on health

    asked by Anonymous
  75. college physics

    a water skier is being pulled by a tow rope attached to a boat. as the driver pushes the throttle forward,the skier accelerates. a 70.3kg water skier has an initial speed of 6.10m\s. determine the work done by the net external force acting on the skier.

    asked by jaret
  76. Chemistry HELP!

    In order to standardize a KMnO4 solution, 0.3498 g Na2C2O4 was dissolved in 30 mL water and 15 mL 3.0 M H2SO4. The KMnO4 solution was added to the Na2C2O4 solution until a pale pink color persisted. The titration took 29.5 mL of KMnO4 solution. What is the

    asked by Prue
  77. Algebra

    What is the sum of all positive integers N

    asked by Mary
  78. Derivatives

    I have gotten so many different responses from mine on this question Can someone PLEASE write out the steps for me for this. Thanks f'(x)= 2x/(x^2+1) Find the second derivative. I get 4x^3 + x^2- 12x + 1

    asked by Alaina
  79. algebra!!!! please help me!!!!

    What is the sum of all positive integers N≤1000 such that N equals 13 times the digit sum of N?

    asked by fudgee
  80. Math (Algebra)

    What is the remainder when \(5\times 55\times 555 \times \ldots \times \underbrace{555\ldots 55}_{555 5's}\) is divided by \(100\)?

    asked by Hale
  81. Physics

    In a series AC circuit, R=20(ohms), Xl=10(ohms), and Xc=25(ohms), where the frequency is 400 Hz. Find the resonant frequency of the circuit.

    asked by John
  82. ENGLISH

    5. Which one of the following sentences contains an unnecessary colon? A. Here's the question on all of our minds: Will our team be able to defeat their arch rivals tonight? B. My store list included: milk, soup, chicken, and ice cream. C. She wants one

    asked by NANA
  83. Physical Science

    1. What is molarity of products? I can't decide if it's a. The concentration of the reactants measured in mol/L of solution or b. The concentration of the products measured in mol/L of solution 4. How does pressure relate to reaction rates? I'm stuck

    asked by mysterychicken
  84. life orientation

    In 10-15 lines critically discuss 5 ways in which the pollution as the environmental problem impacts on the community.provide relevent sources to support your claim

    asked by eunice
  85. ENGLISH

    6. Which of the following sentences contains correct usage of its/it's? A. Its only a game. B. Let's go out on Friday; it's my birthday! C. The dog chased it's tail until it got dizzy. D. My grandmother always said, "Its not if you win or lose, but how you

    asked by NANA
  86. Science

    Where can liquid manure be obtained from?

    asked by Juanita
  87. Science

    How a lack of nutrients in the soil can affect plant growth?

    asked by Sasha
  88. Math

    What is the dollar amount for the cement needed for a sidewald that is 4 inches thick, 3 feet wilde, and 40 feet long if the cement is sold for $76 petr cubic yard. Calculate the problem using fractions to avoid rounding errors caused by repeating

    asked by Alice
  89. Physics

    A roller coaster works by gravitational energy. The coaster car is pulled up to a high point and then released, rolling downwards on the track through all manners of curves and loops. I have a short roller coaster car that I pull up to the top of a hill of

    asked by Shin
  90. Math (Combinatorics)

    A lottery ball drawing machine has 50 balls, each labeled with a distinct integer from 1 to 50. Every Sunday, four different balls are drawn to determine the winning numbers. You have last Sunday's ticket with the numbers {3,7,12,15}. You missed the

    asked by Shin
  91. l.o

    5 ways in which the human or environmental problem impacts on the community. Proide relevent sources to support the claims.

    asked by sthembile
  92. Life orientation

    (A)IN 10-15 lines critical discuss 5 ways in which the human or environmental problem impacts on the community . Provide relavant sources to support your claims.

    asked by Samkelisiwe
  93. life orientation

    In 10-15 lines discuss 10 ways in which pollution impacts on the community.provide references

    asked by eunice
  94. Life orientation

    (A)IN 10-15 lines critical discuss 5 ways in which the human or environmental problem impacts on the community . Provide relavant sources to support your claims.

    asked by Samkelisiwe
  95. embryology

    what is gud book to study about embryology

    asked by minas
  96. Geometry

    One right circular cone is set inside a larger circular cone. The cones share the same Axis, the same vertex, and the same height. Find the volume of the space between the cones of the diameter of the inside cone is 6in., the diameter of the outside cone

    asked by danielle
  97. Physics

    Consider the series RLC circuit in which R2

    asked by rishabh gupta
  98. Life science

    How would u experiment be affected if you added a few drop of concetrated sodium hydroxide to test tube

    asked by Rethabile
  99. Physics

    Consider the following standing wave, (all units are SI) z=0.2sin(0.4y)cos(350t) (a) The values of t where the displacement at all values of y equals to zero are of the form : t=c+dn, where n=0,±1,±2,3, etc. What is c? What is d?

    asked by rishabh gupta
  100. History

    In World War 2 why did the dictors think they could take over Europe and other places??

    asked by Moby
  101. life orintation

    name two community/organizations that are invloved in supporting or giving redress to drought

    asked by nqobile
  102. Life orientation

    In 10-15 lined critically discuss 5 ways in which the human or environmental problem impacts on the community.provide relavant sourrces to supprt your claims

    asked by Samkelisiwe
  103. math

    Which is the best display for the set of the number of tornadoes in the United States each year , If you want to be able to identify the mode? a) histogram with intervals of b) frequency table with intervals of 3 c) line pot d) line graph

    asked by Diana
  104. Calculus

    In a right triangle, if one leg (adjacent to 90 degrees) is 10cm, which is increasing at the speed of 2cm/s; and another leg is 24 cm, which is decreasing at 2cm/s. how fast is the hypotenuse changing at this time?

    asked by Nancy
  105. life orientation

    5 ways of pollution which the human or environmental problem impacts on the community

    asked by lucia mokoena
  106. Mathematics

    the scale on a map is given as 1:2000000. the distance between two towns on the map is 4.3. what is the actual distance between the towns in cm (squared)?

    asked by Calvin
  107. Life orientation

    What are 2 institutions that are involved in supporting drug abuse?

    asked by Ramoroka unice
  108. finance

    Calculate the IRR of the following project: Year Cash Flow 0 -$30,000 1 $40,000

    asked by Candice
  109. Math

    Mr.Wood went to the stores to buy school supplies for his children. He spent half of his money plus $5 at Store A. He then spent half of the remaining money plus $10 at Store B. At the end he had $25 left. How much money did Mr. Wood start with?

    asked by Cheryl
  110. physics

    Charged spheres A and B are in fixed positions (like in question #6) and have charges 3.6x10^-6 C and -5.4x10^-6 C respectively. Calculate the net force on sphere C, which has a charge of -9.9x10^-6 C.

    asked by help
  111. physics

    Three charges lie along the x-axis. At x = 2.0m, a charge of 15x10^-6 C is fixed. At the origin, a charge of 30x10^-6 is fixed (like in question #8). Where can a third charge be placed between them so it feels no net force?

    asked by help
  112. algebra

    tickets to a museum cost $5 for general admission and $2 with student ID. On Friday night 200 tickets were sold for $625. How many general admissions tickets were sold.

    asked by bryce
  113. math

    find the missing side of the triangle b=2.1 c=29

    asked by j
  114. statistics

    A random number generator draws at random with replacement from the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. In 5000 draws, the chance that the digit 0 appears fewer than 495 times is closest to 25%,30%,35%,40%,45%,50%

    asked by Anonymous
  115. math

    In a set of 400 values, the mean is 121 and the standard deviation is 14. Estimate how many values fall in between each interval? a) 107 - 135 b)93 - 149 c) 79 - 163

    asked by takierr
  116. life orientation

    What are the environmental factors that causes ill health or accident or diseases

    asked by janine
  117. math

    One of your dresser drawers contains 10 black socks and 10 blue socks. Suppose it is dark and you can’t tell what color a sock is when you look at it. If you start taking socks randomly one at a time from the drawer, how many would you have to take to

    asked by emma
  118. math

    A small grill can hold two hamburgers at a time. If it takes 5 minutes to cook one side of a hamburger, what is the shortest time needed to cook both sides of five hamburgers? 30 15 20 25

    asked by megan
  119. math

    Fred arrives at the subway station every day at a random time and takes the first train that arrives. If he takes the A train, which arrives each hour on the hour, he ends up at the fitness center. If he takes the B train, which arrives every hour 15

    asked by megan
  120. math

    One of your dresser drawers contains 10 black socks and 10 blue socks. Suppose it is dark and you can’t tell what color a sock is when you look at it. If you start taking socks randomly one at a time from the drawer, how many would you have to take to

    asked by emma
  121. science

    An atom loses an electron. What will happen when it approaches a positively-charged ion? A. The ions will repel each other. B. The ions will attract each other. C. The ions will cancel each other out. D. The ions will neither attract nor repel each other.

    asked by Anonymous
  122. Justice system

    1. Murder implies malice, whereas __________ does not. A. manslaughter B. willful homicide C. forcible rape D. aggravated assault is it A 2. __________ involves sexual intercourse with a corpse. A. Pederasty B. Bestiality C. Necrophilia D. Buggery is it C

    asked by Amy
  123. Sports : Softball

    I am always in sports. i have been playing softball lately and my arm starts to hurt when i throw sometimes it get so bad that the pain goes to my elbow. i can say it is noticing when i play that i am not throwing as hard as i can and then i git yelled at

    asked by Lonita
  124. Physics Plz help me

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

    asked by Leila
  125. justice system

    1. “Substantive due process” refers to: A. the content of a law. B. the application of law. C. the application of penalties. D. criminal procedure. is it A 2. __________ is the act of taking a person into custody. A. Search and seizure B. Arrest C.

    asked by Amy
  126. math

    Brianna works at a sunglass shop. She earns $9 per hour and a $1 commission for each sale she makes. From July 1 to July 5, she saves all her money and doesn’t spend anything. Each day, from July 1 to July 5, Brianna worked 4 hours. • On July 1,

    asked by Anonymous
  127. WorldHistory

    3.How was Napoleon able to control the countries neighboring the French Empire? He placed French garrisons in the countries. Made members of his family their head of state who in turn acknowledged Napoleon's will. He required them to supply him with

    asked by _<3
  128. WorldHistory

    What factors led to Robespierre becoming a dictator? Beginning with the execution of Louis XVI in January 1793, France faced an increase in food riots, large popular insurrections and devastating treasonous acts by those thought to be patriots. Also,

    asked by (;
  129. Chemistry

    Calculate the volume of 2.45 M NaI that would be needed to precipitate all of the Hg+2 ion from 185 mL of a 2.44 M Hg(NO3)2. AND Calculate the molarity of an acetic acid solution if 47.81 mL of the solution is needed to neutralize 147 mL of 1.32 M sodium

    asked by Marsha
  130. math

    Flora’s class collected 236 books. They are placing the books in boxes. If each box holds 8 books, how many boxes can they fill? if there are books left over, what portion of the last box will be filled? 30 full boxes 29 full boxes and 1 box that is full

    asked by Anonymous
  131. Chemistry

    A certain gas has a solubility of .50 g/L under a pressure of 1500 torr. What would its solubility be a 2250 torr?

    asked by Bill
  132. math

    Three forces act on a hockey pick as it slides across the ice; the normal force N represents the force the ice exerts upward on the puck and is given by N= , the gravitational force G represents the downward force of gravity on the puck and is given by G =

    asked by Ryan
  133. Chemistry

    A salt solution is evaporated to dryness. If 66.5 g of the solution leaves 1,492 mg of dry salt, what is the percent concentration (w/w) of the salt in the solution?

    asked by Marsha
  134. Math

    The AC voltage coming out of a standard wall plug in the United States can be expressed as the function V(t) = 120sin(120*pi*t), where t represents time (in seconds) and V is the voltage. We will let t be greater than or equal to 0 for simplicity. A. Make

    asked by Natalie
  135. Math

    Holly is flipping a coin and pulling a marble from a bag. There are 4 white marbles, 2 blue marbles, and 5 green marbles, all of the same size, in the bag. What is the probability that the coin lands on heads and she pulls a green marble from the bag?

    asked by Vivi
  136. Maths

    Please help me.Iam stuck. Find all the possible values of theta between 0 degree and 360 degree for the following quadratic equation. State the quadrants in which each angle lie. 8 tan^2 theta + 2 tan theta=15

    asked by Shane
  137. WorldHistory

    significant consequences of the Agricultural Revolution. EFFECT ON WOMEN LIVES: The British Agricultural Revolution was the cause of drastic changes in the lives of British women. Before the Agricultural Revolution, women worked alongside their husbands in

    asked by (;
  138. Maths

    Please help me.Iam stuck. Find all the possible values of theta between 0 degree and 360 degree for the following quadratic equation. State the quadrants in which each angle lie. 8 tan^2 theta + 2 tan theta=15

    asked by Shane
  139. Maths

    Ship A is 18.5km from a port P on a beearing of 045 degree and ship B is 26.4km from point P on a bearing of 105 degree. Calculate the bearing of A from B and the distance AB.

    asked by Shane
  140. Trig

    csc thea= -2, quadrant 4. what are the six trig functions?

    asked by Shay
  141. maths

    Please help me simplify this and show full working out. (a) (2x^3 divide 3y^4)^2 multiply (x divide 3y)^-2 (b) a-a^-1 divide a^2 - 1 (c) 3^a+2 times 9^2a+1 divide by 6^2 times 3^5a+3

    asked by Shane
  142. history

    Which of the following is true with regards to The Navigation Acts by the eighteenth century? A- In general, the colonist despised the acts and smuggling was rampant. B- The Navigation act of 1696 abolished the American customs service. C- The colonists

    asked by jake
  143. Life Science

    If a sponge (from the ocean, not a cleaning sponge. :P) were torn apart by a predator, what would happen?

    asked by Whitney
  144. maths

    Please I need help.Show full working out. (a) sin x cot x= cos x (b) (1 + tan theta)^2 + (1- tan theta)^2 = 2sec^2theta

    asked by Shane
  145. 4th grade math

    Bryan is putting fencing around his new rectangular vegetable garden. He uses 140ft of fencing material. How wide is the garden? Ther is a rectangular diagram that shows the bottom number is 40ft

    asked by Charisse
  146. 5th grade math

    What is 508 times 7?Thanks if you help:)

    asked by Kim
  147. statistics

    A player pays a $1 to play a game. With probability 0.001 the player wins $900, with probability 0.005 the players wins $10. What is the players expected win per game?

    asked by ina
  148. life orintation

    Discuss 5 ways in which the water pollution problem impact on the community.provide relevant sources to support your claims

    asked by thokozile ndala
  149. Physics

    A typical model rocket has a mass of 50 g. Similarly, a typical "class C" model rocket engine can produce a total impulse of 10 Newton-seconds. We usually launch model rockets vertically, but if I instead launched this rocket horizontally, how fast would

    asked by KK
  150. Math: Surface Area

    How would you find the area of the curved surface between the top and bottom of a can?

    asked by Celest
  151. Math

    If 10 degrees f rises 6 degrees, what is the temp?

    asked by Anonymous
  152. Socials

    I had posted some of these questions a few days ago, but i had trouble finding the answers to these questions in the sites. Can you please answer them with giving sites. Thanks :) what are some fun things to do in guadeloupe(ex: biking, water skiing,

    asked by Tess
  153. Math Multiplying Fractions

    Multiply. Simplify if you can 1. 1/4x5/6= 5/24 2.3/7x3/4= 9/28 3.4x1/5=4/5 4.5/12x2=5/6 5.3/5x10= 6 6.2/3x3/8= 1/4 7.1/7x1/7= 1/49 8.2/9x1/2= 1/9

    asked by Jerald
  154. Bridge Math

    The inequality 10x + 20y > 500 models all of the combinations of scores of 10 and 20 points that will give a total greater than 500 points in a game. What is not true about the values for x and y?

    asked by Taylor
  155. Math

    Linda works at a pharmacy for $15 an hour. She also babysits for $10 an hour. Linda needs to earn at least $90 per week, but she does not want to work more than 20 hours per week. Show and describe the number of hours Linda could work at each job to meet

    asked by Kayla
  156. Math Multiplying Fractions

    Multiply. Simplify if you can. 2.1/3x2/5=2/15 4.2/5x3/7=6/35 6.1/6x3/5=3/30 8.9/10x4/5=36/50 10.11x3/4=33/4=8 1/4 12.4/9x2/3=8/27

    asked by Jerald
  157. math

    a musical triangle has a perimeter of 180 mm. the side of middle length is 2 times as long as the shortest side. the longest side is 3 times as long as the middle side. how long is each side

    asked by ed
  158. Chemical engineeing

    Can someone help me with online exam ( fundamental of chemical engineering class ) ? Please eamil me ( davd_jo(at)(ya h o o )dot (com ) I'll offer money

    asked by Dave
  159. Science

    At which point is more silt in the water in the mountains or on flatland why

    asked by Stephen
  160. Chemistry

    Help please!!! Complete the two reduction half reactions for the cell shown at the right, and show the line notation for the cell by dragging labels to the correct position. (The electrode on the left is the anode, and the one on the right is the cathode.)

    asked by shanonn
  161. Chemistry

    For the following battery: Cd(s) | CdCl2(aq) || Cl–(aq) | Cl2(l) | C(s) (a) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) C(s) electrode:? (c) Calculate the mass of Cl2 consumed if

    asked by Linda
  162. 5th grade math (word problems)

    Can you explain how to do the following problems? 1. Order these fractions from Greatest to least. 3/12, 5/8, 1/4, 7/8, 4/16 work: find least common denominator 3/12 = 12/48, 5/8 = 30/48, 1/4 = 12/48, 7/8 = 42/48 answer = 7/8, 5/8, since 3/12 and 1/4 are

    asked by Alex
  163. life orientation

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impact on the community in related to substance abuse

    asked by mmathapelo
  164. is this correct algebra 1

    (x^2 -5)+ (4x^2 -3) 5x^2-4x-15-20x 5x^2-24x-15

    asked by anonymous
  165. math

    Vance wants to fence in a rectangular area for his dog. He wants the length of the rectangle to be at least 30 feet and the perimeter to be no more than 150 feet.

    asked by Kayla
  166. math

    a 50 foot length of rope was cut into two pieces. the first piece is 5 feet more than twice the second. what are the lengths of the two pieces of rope?

    asked by alondra
  167. math

    sabina had $200 she spent 3/5 on clothes and 3/4 of the reminder on books. she saved the rest. what fraction of her money did she spend on books. how much did she spend on books and clothes altogether. what fracion of her money didnshe save

    asked by sharon
  168. GRAMMAR

    WHAT IS THE DIFFERENCE BETWEEN FARTHEST AND FURTHER

    asked by Anonymous
  169. Math Multiplying Fractions

    14.16x5/12=80/192 16.1/5x10/11=2/11 18.1/10x4/7=4/70=2/35 20.5/9x18=90/9=10

    asked by Jerald
  170. Java

    Verify the check digit in a barcode. Some of the most common barcode standards have check digits which are fairly easy to calculate. UPC (12 digits) are among the most common barcode standards you will find. The check digit is calculated like this: •the

    asked by Solomon Hanasab
  171. Computers

    Help guys..here is what I need.. and unfortunately I need this in like 2 hours...my computer crashed with all my work so please anyone help... Write a console application that has a furniture and appliance dealership needs you to create a sales screen to

    asked by Kevin
  172. jewler

    what birthstone is october

    asked by JERALD
  173. Physics Plz help me

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

    asked by Leila
  174. Math

    Evaluate each expression if x=4,y=2/3 and z=1/4 22.3/8x 12/8=1 1/2 24.3x=12 26.9y=36 28.yz=2/12=1/6 30.xyz Im not sure

    asked by Jerald
  175. health information

    I need to research the root cause of disease classification structure and how it is linked to the outcomes of both the reimbursement and the epidemiological data. how do I research these topics? Or can you explain these instructions better? I asked the

    asked by Mary
  176. Math

    What is my rule if my in number is 2/5 and out is 3/5. The next set of numbers are 1/10 and 3/10. The next set just gives me the in number of 4/5, but not out. Next no in number, but 9/10 as my out and the last one has no in number but 1/2 as my out?

    asked by Kim
  177. Ashford

    Provide a scientific hypothesis and explain how one might go about testing it, either by confirming the hypothesis or using Karl Popper's strategy of disconfirmation. Discuss which of these two strategies is better and why

    asked by Kawi
  178. Physics

    -Estimate the total binding energy for copper? in MeV -Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons? E= in Joulea Please help me I am confused...thanks

    asked by Leila
  179. Social Studies

    Many inventions were made during the Han dynasty of China which contributed to its culture and led to trade with other civilizations. China invented porcelain, paper, ink and gunpowder (which was used in fireworks). China traded these goods along a trade

    asked by Jerald
  180. Personal Finance

    PLEASE HELP ME ASAP!!!!!!!!!!! 31. In order to effectively manage money, you need: a. A computer b. An online checking account c. A budget d. A high paying job 35. Which statement is not true about extended warranties? a. Most warranties are about 50-60%

    asked by Phoebe
  181. math

    there were twice a many black cars as red cars in the parking lot. there were 36 total black or red cars in the parking lot. How many red and how many black are there?

    asked by Anonymous
  182. Social Studies

    In China, Confucius wrote down his philosophy which explained how people should live their lives. Confucianism teaches that each person should accept his or her role in society. Confucisanism became the basis for order and respect and was central in

    asked by Jerald
  183. Physics

    At an outdoor market, a bunch of bananas is set into oscillatory motion with an amplitude of 30.0781 cm on a spring with a spring constant of 15.7711 N/m. The mass of the bananas is 69.6297 kg. What is the speed of the bananas? Answer in units of m/s

    asked by dallas
  184. Personal Finance

    PLEASE HELP ME ASAP!!!!!!!!!!!! 32. Which is not a horrible mortgage option? a. ARM b. Conventional c. Reverse mortgage d. Balloon I answered c and I am not sure if that is right or not. 33. Why do you plan for retirement instead of relying on Social

    asked by Phoebe
  185. Math

    23 times 17

    asked by Nickos
  186. Physics Plz help me

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

    asked by Leila
  187. Physics

    Having landed on a newly discovered planet, an astronaut sets up a simple pendulum of length 1.29 m and finds that it makes 407 complete oscillations in 698 s. The amplitude of the oscillations is very small compared to the pendulum’s length. What is the

    asked by dallas
  188. Math

    The total age of 4 brothers and sisters is 38. Barry is two years older than Carrie. Larry is one year older than Barry. Gary is five years older than Carrie. How old is each?

    asked by Seaira
  189. Physical Science

    1. What is molarity of products? I can't decide if it's a. The concentration of the reactants measured in mol/L of solution or b. The concentration of the products measured in mol/L of solution 4. How does pressure relate to reaction rates? I'm stuck

    asked by mysterychicken
  190. Math

    The Distance from the top of a cliff to the water below ranges from 13m(low tide) to 8m(high tide). Low tide occurs at 12:00 noon and it takes six hours between low tide and high tide. a)Develop an equation representing the distance in terms of time b) It

    asked by Josh
  191. Math

    Where does the equation cross the y-axis Y=1.25x+37

    asked by Anonymous
  192. Math

    What is the fraction when there are 26 tiles in total and 14 of them are gray??

    asked by Chantel
  193. Calculus-Check please?

    Fabio stands atop his 16 foot ladder when he realizes that the ladder is slipping down the side of the building. He decides that the base of the ladder is moving away from the bottom of the building at a rate of 2 feet per second when it is 3 feet from the

    asked by Alaina
  194. Pre-Algebra

    Tempurature of substance increases by 10°C in 5 minutes. Write it as a unit rate. Then convert it to degrees Fahrenheit per hour.

    asked by Joyce
  195. Math help please

    7. In the expression –7x – 5x2 + 5, what is the coefficient of x? 7 5 –5 –7 8. Write the expression using a single exponent. 2^2 • 2^8 4^10 2^10 4^16 2^16 9. Write the expression using scientific notation. (2.5 • 104)(4 • 103) 10 • 10^7 10

    asked by Delilah
  196. science

    how many oxygen atoms are in 773.2g of carbon dioxide? and also what is the molar mass of an element where 3.4 moles of the element has a mass of 669.69g? which elent is it?

    asked by wardy
  197. Social Studies

    In China, Confucius wrote down his philosophy which explained how people should live their lives. Confucianism teaches that each person should accept his or her role in society. Confucisanism became the basis for order and respect and was central in

    asked by Jerald
  198. 5th grade Language Arts

    I was given an assignment to add suffixes ( -ible, -ive, and -ion) to certain root words. I can't seem to find any words for post using the above suffixes. I've tried searching dictionary and roots with post. Are there any words that can be made without

    asked by Alex
  199. statistics

    The probablility that a person drinks at least five cups of coffee per day is .24, and the probability that a person has high blood pressure is .08. Assuming that these two events are independent, find the probability that a person selected at random

    asked by Anonymous
  200. Chemistry

    we burn 12.50L of ammonia in 20.00L of oxygen at 500 degrees celsius. What volume of nitric oxide, NO, gas can form? what volume of steam, H2O (g) is formed? Assume that all gases are at the same temperature and pressure, and that the limiting reactant is

    asked by Juan
  201. Functions?

    find the range of f(x) = -2x+6 for the domain {-1,3,7,9}

    asked by Anon
  202. Related Rates

    A particle moves along a path described by y=x^2. At what point along the curve are x and y changing at the same rate? Find this rate if at time t we have x=sin t and y= sin^2t. I solved the first part and got (1/2, 1/4), but I have no idea how to tackle

    asked by Shania
  203. Gas Stoichiometry

    What mass of ammonia is produced when 3.08 L of nitrogen (at STP) react completely in the following equation?

    asked by Jenny
  204. physics

    each step of a ladder increases one's vertical height 40.0cm. If a 90 kg painter climbs 8 steps of the ladder, what is the increase in potential energy?

    asked by Anonymous
  205. physics

    each step of a ladder increases one's vertical height 40.0cm. If a 90 kg painter climbs 8 steps of the ladder, what is the increase in potential energy?

    asked by Anonymous
  206. Function

    Fahrenheit and Celsius are two measures of temperature. The temperature in degrees Celsius is equal to five ninths of 32 less than the temperature in degrees Fahrenheit. What is a function rule that represents this situation?

    asked by Anon
  207. physics

    A fisherman's scale stretches 2.3 cm. when a 2.5 kg. fish hangs from it. What will be the frequency of vibration if the fish is pulled down and released so that it vibrates up and down?

    asked by Nicole
  208. History HELP!

    Describe the chain of events for a wounded soldier during the civil war; how and where they would be transported, what would happen to them, etc. (provide details!!!!) I need help.

    asked by kiki
  209. history

    write a brief description of the civil war activities in southern california from 1861-1865.

    asked by katie
  210. Math help please ASAP

    2. Simplify the polynomial. –3f^2 + 4f – 3 + 8f^2 + 7f + 1 5f2 – 11f + 2 11f2 + 11f + 2 5f2 + 11f – 2 –5f2 + 11f – 2 No idea how to do this please explain!!!!

    asked by Delilah
  211. Math help please check

    Add or Subtract for #3-4 3. (2x2 + 6x + 1) + (–7x2 + 2x – 3) 5x2 – 4x – 2 –5x2 + 8x – 2 5x2 – 8x + 2 –9x2 – 8x + 2 4. (3x2 – 7x – 4) – (6x2 – 6x + 1) –3x2 – x –5 –3x2 –13x + 5 9x2 – x + 5 3x2 – 13x – 5 My answers:

    asked by Delilah
  212. Function

    Write a function rule for the area of a parallelogram whose base is 4 inches more than its height. What is the area of the parallelogram when its height is 8 inches?

    asked by Anon
  213. Math, Gr 10

    A rectangular field is to be enclose by 800 meters of fencing and the fourth side with be along the side of a barn. A) What dimensions will give the maximum area? B) What is the maximum area?

    asked by Anne
  214. Algebra 1

    Factoring Polynomials: 2x to the second power -3x-2 could you please explain to me how to do this.

    asked by Cassandra
  215. physics

    An automobile traveling 80 mi/hr has wheels 31 inches in diameter. If the car is brought to a stop uniformly in 58 turns of the wheels, what is the magnitude of the angular acceleration of the wheels (in radians/second^2)?

    asked by CPhy
  216. physics

    While waiting to board a helicopter, you notice that the rotor's motion changed from 340 rev/min to 265 rev/min in one minute. Assuming that this acceleration remains constant, calculate how much longer (in seconds) it will take for the rotor to stop.

    asked by Anon
  217. physics

    A meter stick is suspended vertically at a pivot point 27 cm from the top end. It is rotated on the pivot until it is horizontal and then released from rest. What will be its maximum angular velocity (in radians/second)?

    asked by Anon
  218. physics

    A solid sphere rolls up an inclined plane of inclination angle 35 degrees. At the bottom of the incline, the center of mass of the sphere has a translational speed of 13 ft/s. How far (in feet) does the sphere roll up the plane (distance along the plane)?

    asked by Science
  219. physics

    A 16 lb block rests on a horizontal frictionless surface. A cord attached to the block, running horizontally, passes over a pulley whose diameter is 1 in, to a hanging block weighing 16 lb. The system is released from rest, and the blocks are observed to

    asked by Science
  220. physics

    In a playground there is a small merry-go-round of radius 1.40 m and mass 140 kg. The radius of gyration is 0.960 m. A child of mass 43.0 kg runs at a speed of 3.70 m/s tangent to the rim of the merry-go-round while it is at rest, and then jumps on. Find

    asked by Help!:)
  221. Probability and Statistics

    There are 15 marbles in a jar.Five are red,four are blue, and six are yellow.If you draw two blue at random (without replacement), what is the probability that the second marble is blue?

    asked by Kim
  222. Pre calc

    Alice throws a ball straight up with an initial speed of 40 feet per second from a height of 5 feet? a) Find parametric equations that model the motion of the ball as a function of time. b) How long is the ball in the air? c) When is the ball at its

    asked by Rebekah
  223. stats

    What does the best estimate mean after doing the liner regression equation

    asked by Anonymous
  224. UDC

    Utilizing a public policy of your choice from a local government where you reside, prepare a paper assessing that government’s revenues and examining possible funding options for the chosen public policy. Utilizing the local government’s annual

    asked by Kareema
  225. Health

    WITH STARS IS MY ANSWER! (*) 1) A drug created by a chemical reaction in some foods, especially fruits and grains A= neurons B= cirrhosis C= alcohol ****** D= depressant 2) Being drunk A= intoxicated ****** B= withdrawal C= alcohol D= minor 3) Cells that

    asked by Sandy, (Please Check My Answers Please) :D
  226. stats

    Does the regression line equation change if you change the independent and dependent variable

    asked by Anonymous
  227. Social Studies

    In China, Confucius wrote down his philosophy which explained how people should live their lives. Confucianism teaches that each person should accept his or her role in society. Confucisanism became the basis for order and respect and was central in

    asked by Jerald
  228. math

    The Chen Family spends 1/3 of their budget on housing costs and 2/5 of their budget on food and clothing. What is the fraction of their budget is left to spend on items other than housing, food, and clothing? Explain how you found your answer.

    asked by jalia
  229. Math help please ASAP

    2. Simplify the polynomial. –3f^2 + 4f – 3 + 8f^2 + 7f + 1 5f^2 – 11f + 2 11f^2 + 11f + 2 5f^2 + 11f – 2 –5f^2 + 11f – 2 3. (2x2 + 6x + 1) + (–7x2 + 2x – 3) 5x2 – 4x – 2 –5x2 + 8x – 2 5x2 – 8x + 2 –9x2 – 8x + 2 4. (3x2 – 7x

    asked by Delilah
  230. Math (Algebra)

    The Problem is that 3 people go to lunch. They decide to share the $12 bill evenly. How much does each person pay? The Equation is 3x=12 #1. What is the value of x? #2. Solve for x #3. Answer the question.

    asked by Sydney
  231. Math (Algebra)

    3 robots go out to lunch. They decide to share the $11.91 bill evenly. How much does each robot pay? Equation: 3x = 11.91 #1. What does x represent? #2. Solve for x. #3. Answer the question.

    asked by Sydney
  232. algebra

    how do i figure: (-12a^2b^6)^3 over (9a^3b^9)^3

    asked by lou
  233. parabolas

    Find the equation and sketch the parabola that has vertex V (-1; 0) and focus F(-4; 0).

    asked by dylan
  234. chemistry

    When boiled with concentrated aqueous alkali, fats and oils dissolve, but waxes do not. Explain the difference.

    asked by Moyer
  235. Trig

    cos[(tan^-1(3/4))+(cos^-1(9/41))]

    asked by Hannah
  236. Music

    2. What is the 2nd scale degree of D flat major? is it G flat? 8. The interval between F and A is the same as a. D and B b. A and B c. F and G d. C and E 9. A minor second on the white keys is between a. A and B b. G and A c. D and E d. E and F 10. A half

    asked by mysterychicken
  237. ?

    What does titi mean

    asked by Anonymous
  238. immunology

    do monocytes derive from killer T cells?

    asked by Jess
  239. chemistry

    how many grams of carbon dioxide can be produced when 15.g of oxygen is reacted with 25.g of c2h2

    asked by maria
  240. math

    A weather states that there is a 60% chance of rain on Saturday and a 60% chance of rain on Sunday. Explain why the chance of rain on Saturday and Sunday isn't equal to 120%.

    asked by Zaid
  241. math

    I have 50.00 to buy 50 animals. Chickens are .50, cows are 2.50,and birds are 5.00. How many of each animal can i purchase?

    asked by chelsea
  242. social studies

    Why were Palestinians kicked off their land by the Jews?

    asked by Palestine
  243. Math (Probability)

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

    asked by Bob
  244. chemistry

    how many grams of iron (iii) nitrate are needed to produce 25.0 g of iron (iii) sulfate form sulfuric acid?

    asked by jinie
  245. Math

    The president has a brother the brother dose not have a brother how is this possible?

    asked by Camille
  246. gas stoiciometry

    What volume of ammonia gas will be produced when 1.44 L of nitrogen react completely in the following equation? N2 + 3H2 = 2NH3

    asked by Jenny
  247. Math

    What is the measure of the side of a cube if the volume is 27000cm3?

    asked by Annika
  248. chemistry

    Calculate the concentration of each solute and each ions when 25.0 mL of 18.0 M H2SO4 is mixed with 130.0 mL water

    asked by Anonymous
  249. calculus

    Set up the integral that would be used to find the volume of the solid obtained by rotating the region bounded by y=x^3 , y=8, and x=0 about the x=-4. use disk/washer method.

    asked by diego
  250. Physics

    A ray of light of vacuum wavelength 550 nm traveling in air enters a slab of transparent material. The incoming ray makes an angle of 34.3◦ with the normal, and the refracted ray makes an angle of 18.9◦ with the normal. Find the index of refraction of

    asked by alice
  251. math

    Consider the region bounded by the curves y=5 and y=5 and y = x +4/x. set up the integral that would be used to determine the volume if the region was revolved about x = -1

    asked by diego