Questions Asked on
January 8, 2017

  1. Social Studies

    The Underground Railroad used escape routes that went throughout the South. Based on that fact, which of the following conclusions could be made? A) The southern states were leaning toward emancipation B) Slaves were hopeful to acquire jobs in Northern

    asked by Jasmin
  2. physics

    An apple crate with a weight of 225 N accelerates along a frictionless surface as the crate is pulled with a force of 14.5 N as shown in the drawing. What is the horizontal acceleration of the crate?

    asked by Tyler
  3. math

    help, what did Dr.Drone say to the guy who thought he was a $100 bill

    asked by messiah
  4. Chemistry

    CuCO3=CuO +CO2. Find the mass of 1mole of each substance taking part in the reaction. (Ar:Cu=64,C=12,O=16). When 31g of CuCO3 is used; 1)how many grams of CO2 is formed. 2) what mass of solid remains after heating.

    asked by Busola
  5. MATH

    During halftime of a football​game, a sling shot launches​ T-shirts at the crowd. A​ T-shirt is launched from a height of 33 feet with an initial upward velocity of 64 feet per second. The​ T-shirt is caught 48 feet above the field. How long will

    asked by S
  6. civic education

    mention seven limitations to human rights

    asked by Victory
  7. Math

    Which pair of ratios does not form a true proportion? A 8:14–20:35 B 6 to 10 and 15 to 25 C 9/5 equals 27/15 D 12:15 and 30:50

    asked by Anonymous
  8. Math

    The volume of an aquarium for one fish is 384 cubic inches. The height of the aquarium is 6 inches. The base is a square. What are the dimensions of the base?

    asked by Vix
  9. Science

    Wolves: Moose: 6 10 3.Calculate the average of moose killed by one wolf in each territory. So, would I divide the number of moose by wolves, or wolves by moose?

    asked by Anonymous
  10. calculus

    A spherical balloon is losing air at the rate of 2 cubic inches per minute. How fast is the radius of the ballon shrinking when the radius is 8 inches.

    asked by Josh
  11. Physics

    A ball thrown with a speed of 100m/s attains a height of 150m (take g=9.8 per second square). Calculate: 1. Time of flight 2. Angle of projection 3. Range

    asked by Mk hamman
  12. Science

    A uniform half meter scale is balanced at 60 cm mark.when weight of 10 gf and 30 gf are suspended at 20 cm and 90 cm mark respectively calculate the weight of scale

    asked by Aryan Rock
  13. math

    A board 5 feet long slides down a wall. At the instant the bottom end is 4 feet from the wall, the other end is moving down the wall at a rate of 2 feet per second. At the moment, how fast is the bottom end sliding along the ground?

    asked by Emily
  14. physics

    A person pushes on a 55-kg refrigerator with a horizontal force of -250 N; the minus sign indicates that the force points in the -x direction. The coefficient of static friction is 0.56. (a) If the refrigerator does not move, what are the magnitude and

    asked by Kyle
  15. Math(simple interest)

    A person borrows two equal sums of money at the time at 5% and 3.75% simple interest respectively & finds that if he repays the former sum a year before the latter the amount paid in each case is the same that is Rs.736. Find the total sum borrowed.

    asked by Ann
  16. science

    When a manganous salt is fused with a mixture of KNO3 and NaOH the oxidation no. Of Mn changes from +2 to what?

    asked by aradhana
  17. Science(physics)

    A boy while driving to his school covers at the average speed of 15km/h.On his return trip along the same route, covers at the average speed of 25km/h due to less traffic.What is the average speed for the whole trip

    asked by Henry
  18. Math

    A toolshed with a square base and a flat roof is to have a volume of 800 cubic feet. If the floor costs $6 per square foot, the roof $2 per square foot, and the sides $5 per square foot, determine the dimensions of the least expensive shed.

    asked by Emily
  19. Computers (RAM)

    Just giving this a shot, Which of the following statements about RAM are TRUE? Select all that apply. a) Any part of RAM can be accessed at any time. b) RAM is an area of a computer that holds programs and data that are waiting to be processed, to be

    asked by Ray
  20. calculus

    is my answer to this question correct A spherical balloon is losing air at the rate of 2 cubic inches per minute. How fast is the radius of the ballon shrinking when the radius is 8 inches. Answer= .0024

    asked by Josh
  21. physics

    Only two forces act on an object (mass=3.19 kg), as in the drawing. Find (a) the magnitude and (b) the direction (relative to the x axis) of the acceleration of the object.

    asked by Tyler
  22. physics

    One block rests upon a horizontal surface. A second identical block rests upon the first one. The coefficient of static friction between the blocks is the same as the coefficient of static friction between the lower block and the horizontal surface. A

    asked by Kyle
  23. physics

    when an apple falls from a tree, and strikes the ground without bouncing, what happens to its momentum?

    asked by Anonymous
  24. physics

    During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 253 N on the wire. The left section of the wire makes an angle

    asked by Kyle
  25. Math

    Find the vertex H(x)= -3x^2+24x-46

    asked by Aria
  26. finance

    7500$ investment in each of 20 stocks ( beta of portfolio=1.12). suppose you decide to sell one stock that have beta 1 for 7500$, and use them to buy another one of beta=1.75 calculate the beta of new portfolio ?

    asked by zaynab
  27. physics

    A car is traveling up a hill that is inclined at an angle θ above the horizontal. Determine the ratio of the magnitude of the normal force to the weight of the car when (a)  θ = 17o and (b)  θ = 30o

    asked by Kyle
  28. math

    an airline company offers a round-trip group flight from New York to London. If x people sign up for the flight, the cost of each ticket is to be 1000-2x dollars. Find the maximum revenue the airline company can receive from the sale of tickets from the

    asked by Emily
  29. math

    Aubrey is painting a mural of an ocean scene. The triangular sail on a sailboat has a base of 4 feet and a height of 6 feet. Aubrey will paint the sail using a special white paint. A can of this paint covers 10 square feet. How many cans of white paint

    asked by Nyan
  30. physics

    A mountain climber, in the process of crossing between two cliffs by a rope, pauses to rest. She weighs 520 N. As the drawing shows, she is closer to the left cliff than to the right cliff, with the result that the tensions in the left and right sides of

    asked by Tyler
  31. Geometry

    Lacy made a scale model of her house. Her house is 45 feet tall. Her model is 9 inches tall. What is the scale of the model? How many times as times as tall as her house is her model?

    asked by Idk
  32. Geometry

    If a tangent segment and a secant segment are drawn to a circle from the same point, the external part of the secant segment is longer than the tangent segment. True or False?

    asked by Emma
  33. Math

    the number of library books in a school increased by 20% after it bought new books in May , the number increased by another 20% after a bookstore donated 300 books in June - Find the number of books in the library before it bought new books in May

    asked by Muhammad Saleem
  34. Math

    Carlo is eating a bag of Skittles. In the bag, thre are 5 red, 2 green and 4 purple Skittles. What is the probability that Carlo will pick a red Skittle, eat it and then pick a green Skittle?

    asked by King
  35. Math

    Reema has a ribbon which is 8 metres long. How many pieces can be cut from the ribbon if each piece is 2/3 of a meter

    asked by Tushar
  36. Math(simple interest)

    Mr.X invested a total of Rs.10,000 in three different accounts, the Accounts paid simple interest at an annual rate of 8%,9% and 7.5% respectively. Total interest earned for the year was Rs.845. The amount in the 9% account was twice the amount invested in

    asked by Ana...... :)
  37. physics

    when temperature increases from t to # t and the moment of inertia is increase from I to #I. the coefficent of linear expansion is alpha .THE RATIO OF #I\I IS

    asked by Anonymous
  38. Algebra

    X is a number.It is divided by 3,and 5 is subtracted from the result.The new result is then multiplied by 7.If the final answer is 28,what number is X?

    asked by Veronica
  39. Math

    2 jugs are filled with water. If you remove 1 liter of water from the first jug, then the two jugs contain the same amount of water. If you remove 2 liters from the second jug, then the second jug would contain half as much as the first jug. How many

    asked by Clary
  40. Math

    By selling an article for rs.17,a shopkeeper losses 15%. At what price should he sell it to gain 15% ?

    asked by Charu
  41. math

    the perimeter of a triangle is 23 cm. all side lengths are integers. if one side measures 5cm, what is the length of the largest possible side?

    asked by joe gorini
  42. math

    A scientist observes two colonies of bacteria. The first grows at a rate of 2.2 x 10^6 bacteria per hour. The other grows at a rate of 6.3 x 10^5 bacteria per hour. Which grows faster? How do you know?

    asked by Anonymous
  43. math

    A person 6 feet tall walks at a rate of 150 feet per minute toward a light tower whose searchlight is located 40 feet above the ground. Find the rate that the length of the shadow is changing.

    asked by Mikaela
  44. Pre-Calculus

    Squares of side length x are removed from the 4 corners of an 11in by 8.5in piece of paper. The sides are then folded up to create an open-top box. Write a funcion that determines the volume of the box and determine the functions range. How much should be

    asked by Calvin
  45. Physics

    A 100 grams mass of a substance has a volume of 150 centmetre cube.Calculate the relative density of the substanc. [density of water pw=1.0gcm^-3]

    asked by Angela
  46. math linear equation

    The sum of two number is 110 .oneffifth of the larger number is 8 more than one ninth of the smaller number. Find the number

    asked by salini
  47. Math

    At one afterschool event, of the students were 8th graders and the rest were 7th graders. Of the students who were in 7th grade, the ratio of boys to girls was 3:5. What percent of all the students at the afterschool event were boys who are in the 7th

    asked by Anonymous
  48. math

    A plane travels east from San francisco towards St. Louis at 500 miles per hour, and a turbojet travels north from new orleans toward St. louis at 600 miles per hour. Find the rate of change of the distance between them when the jets are 300 miles apart,

    asked by Mikaela
  49. calculus

    Water leaking onto a floor creates a circular pool with an area that increases at the rate of 3 square inches per minute. How fast is the radius of the pool increasing when the radius is 10 inches?

    asked by angie
  50. Math

    Two jugs are filled with water. If you remove 1 liter of water from the first jug, then the two jugs contain the same amount of water. If you remove 2 liters from the second, then the second jug would contain half as much as the first. How many liters of

    asked by Isabelle
  51. Physics

    A piece of metal of volume 250 centimetre cube floats in water when 85 percent of its volume is under water.Calculate the upthrust on the metal. [pw=1.0gcm^-3]

    asked by George
  52. Algebra

    If a positive two-digit integer is divided by the sum of its digits, the quotient is 2 with a remainder of 2. What is the two-digit integer?

    asked by Isabelle
  53. Account _trial bal

    Goods return from debtors come in which account debit or credit

    asked by Anonymous
  54. math

    Area of Parallelograms:Find the height of a parallelogram with base 9.44 meters and area 70.8 square meters.

    asked by Nyan
  55. Math- Sequences and Series

    Sn= N^2-4n, using this formula find the first 4 terms

    asked by Isaac
  56. MATHS

    CAN YOU FRAME 3 ISOSCELES TRIANGLES FROM AN EQUILATERAL TRIANGLE?

    asked by manan
  57. Physics

    An empty bottle weighs 20 grams and 60 grams when filled completely with water.What would the bottle weigh when filled completely with mercury. [pw=1.0gcm^-3,pm=1.6gcm^-3]

    asked by Daniel
  58. Math

    If a positive two-digit integer is divided by the sum of its digits, the quotient is 2 with a remainder of 2. What is the two-digit integer?

    asked by Clary
  59. Maths

    Find the gradient of the line joining(-4,6) and (3,0)

    asked by Victory
  60. Math

    Ms. Jones is baking a cake for her students. She needs 2/3 cup of brown sugar to make the cake. Right now, she has 3/4 cup of brown sugar. Does she have enough to make the cake?

    asked by Rick
  61. algebra

    Can someone help me solve this story problem? Tom is buying a 42 inch 1080 television on sale for 40% off. If the aspect ratio is 16:9 and the frame around the screen is 1 inch wide,will it fit in an entertainment center with an opening that is 36 inches

    asked by Anneliese
  62. Physics

    What is specific heat

    asked by Kritika
  63. math

    Sonia bought washing machine 10000and paid 2000 and rest in installments of rs 500 at the rare 10℅ find the total amount paid

    asked by rk
  64. math

    There are 3 boys for every 4 girls in school. If there are 200 girls, how many pupils are there in all? Help me please. This is my homework and I need it right now because we have a class for tomorrow.

    asked by Jasmine
  65. Math

    A rope hangs from the ceiling. It reaches the floor exactly. It is 4 feet from the wall. When it is pulled to the wall, the end of the rope is 4 inches above the floor. How high is the ceiling?

    asked by Clary
  66. Math

    Parallelogram ABCD is inscribed in a circle. Then, the measure of angle A must be 90?

    asked by Ryan
  67. Math

    Natalie had some marbles. She gave 1/3 of them to her brother,who kept 12 marbles for himself and gave the rest to 5 friends.If each friend received 7 marbles, how many marbles did Natalie have at firts?

    asked by Veronica
  68. Math

    Becky has $60 and Nina has $120. How much money must Becky give to Nina so that the amount of money Nina has is 5 times what becky has?

    asked by Veronica
  69. calculus

    Verify the means value theorem holds on the interval shown. Then, find the value c such that f'(c)=(f(b)-f(a))/(b-a) a. f(x)= x-1/x on [1,3] b.f(x)=x^3=x-4 on [-2,3] c. f(x)= x^3 on [-1,2] d. f(x)= Sqr. root of x on [0,4]

    asked by angela
  70. calculus

    find the maximum and minimum value of the function f(x)= x-x^3 on the interval [-2,2] I also need help with this question What is the largest possible product of two negative number whose sum is 1?

    asked by jake
  71. Math

    Whuch of the following expressions is equivalent to the expression below? 4[5x+2-x]

    asked by Jessie
  72. calculus

    Is this the correct answers for these questions Verify the means value theorem holds on the interval shown. Then, find the value c such that f'(c)=(f(b)-f(a))/(b-a) b.f(x)=x^3=x-4 on [-2,3] c= square root 7/3 c. f(x)= x^3 on [-1,2] c= square root 1 d.

    asked by Angela
  73. math

    If $10,000 is invested in an account at 4.8% annual simple interest, how long will it take for the account balance to grow to $11,200? I am confused. How do you do this?

    asked by name
  74. Math

    A dictionary costs $24. The total cost of the dictionary and 4 identical diaries is the same as 7 diaries. How much does 1 diary cost?

    asked by Veronica
  75. calculus

    What is the largest possible product of two negative number whose sum is 1?

    asked by Josh
  76. Calculus

    What is the largest possible product of two non-negative number whose sum is 1

    asked by Josh
  77. Math

    Ivan has a 5-cent stamp, a 10-cent stamp, and a 20-cent stamp.How many different combinations of postage can he form with the stamps?

    asked by Christian
  78. math

    Pretend that you are now a senior in high school. You have been planning a vacation for mid-winter recess with your friends. Ten years ago, your parents put $200 in a savings account for you. It offered 6% simple interest rate to spend on food and

    asked by name
  79. calculus

    how do I graph this using the first and second derivative and three sign charts. i have to label the inflection point, extreme values and the intercepts also. f(x)= x^3-6x^2

    asked by angie
  80. Mathematics

    What is the least positive integer greater than -1? Thanks :D

    asked by Velvet
  81. Math

    Find the vertex f(x)= x^2+6x+5

    asked by April
  82. physics

    Traveling at a speed of 18.0 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.580. What is the speed of the automobile after 1.44 s have

    asked by Kyle
  83. Math

    Let the function a@b be defined as 3a + 2b for all real numbers a and b. If u and v are real numbers for which u@v =v@u = 20, what is the value of 2u@3v?

    asked by Isabelle
  84. Maths

    What is the largest possible number that can be created for pin 9987 if no repetition is allowed For Outline baking the bank issues customers with access code ,the code has 3lettera followed by 3digits

    asked by Chelsea Roberts
  85. Maths

    PQRS is a rectangle, whose diagnols PR =2x + QS=3x+1.Find the value of x

    asked by Anonymous
  86. Math

    The sum of the first 10 terms of a geometric series is 699 050. The common ratio is 4. Determine the first term.

    asked by Bry
  87. Pre-Calculus

    A cylinder's height is 5cm longer than the radias of its base. Write a función modeling the cylinder's volume in terms of its diameter.

    asked by Calvin
  88. Texas History

    which capital was located nearest the frontier

    asked by Katie
  89. Pre-Calculus

    Tommy is building a rectangular playpen for his pigs where one side of the play area is a side of his barn. He has enough material to make a fence with a total length of 160 feet. write a función that represents the playpen's área in terms of its length

    asked by Kevin
  90. Math

    Solve the simultaneous equation n/4-m/6=-1 m/5+n/2=10 Using elimination method

    asked by Rukayyerh
  91. Math

    The sum of 3 numbers is 975. If you subtract x from each of these numbers you obtain 12, 345, and 126 respectively. What is x?

    asked by Clary
  92. Physics

    An alloy of iron and silver has a total mass of 30 grams and a volume of 20.4cm^-3.Calculate the mass of iron only and the volume of silver only. [Density of iron=1.62gcm^3 and density of silver=0.9gcm^3]

    asked by Juliet
  93. Trig

    Let n be a fixed positive integer. Describe all solutions of sin(n theta) = 1/2 I know that the solutions would be (π/6)/n+(2πx)/n and (5π/6)/n+(2πx)/n ? How do I 'describe'

    asked by Ryan
  94. Math

    Alicia, Bill, and Ross are in Group A. David, Maddie, and Shelby are in Group B.The students are going to have their pictures taken. They will stand in 2 rows by group, and group members cannot be separated. If 2 girls or 2 boys cannot be standing next to

    asked by Veronica
  95. calculus

    Given, F(n+1)-12f(n)=0. n≥1, where F(1)=-3 find the solution to the equation.

    asked by .....
  96. Math

    A rope hangs from the ceiling. It reaches the floor exactly. It's 4 feet from the wall. When it's pulled to the wall, the end of the rope is 4 inches above the floor. How high is the ceiling?

    asked by Isabelle
  97. Math

    The sum of three numbers is 975. If you subtract x from each of these numbers you obtain 12, 345, and 126 respectively. What is x?

    asked by Isabelle