Questions Asked on
December 20, 2015

  1. MATH HELP

    Sam and Harry are family. Sam is currently is three times Harry's age. Sam's age is also 10 more than twice Harry's age. What are their current ages? Sam is 24 years old, and Harry is 8 years old. Sam is 39 years old, and Harry is 13 years old. Sam is 27

  2. Maths tangent help me damon or steve help

    The line y=3x+k is a tagent to curve x^2+xy+16=0 find the possible value of k? plz help me i don't no it

  3. Physics- Help!!

    1. What is the heat required in kilocalories to convert 2 kg of ice at 0°C completely into steam at 100°C? (I thought it was 2000 kilo cals but I think I'm wrong??) a. 80 Calories b. 1440 Calories c. 4186 Calories d. 540 Calories 2. A gaseous refrigerant

  4. MATH HELP

    Which of the following statements best describes the graph of 4x − y = 1? It is a straight line joining the points (0, −1), (1, 3), and (−1, −5). It is a straight line joining the points (4, −3), (−1, 2), and (−4, 5). It is a curve joining

  5. physics

    A car with mass m possesses momentum of magnitude p. Which expression correctly represents the kinetic energy, KE, of the car in terms of m and p?

  6. physics 1

    Problem 1) I don't understand how they got the answers for A) and B) : Ima Rushin can travel from Milwaukee Avenue to the school entrance gate at a constant speed of 22.5 m/s when the lights are green and there is no traffic. On Wednesday, Ima is stopped

  7. math

    By selling some goods at Rs 31, a salesman loses 7% on his output. Find the % profit or loss, when he sells the same at Rs 35? Pls help

  8. Physics

    1. A steam engine converts 150 kg of water completely to steam. The process involves transfer of 4 x 10^8 J as heat. If steam escaping through the safety valve does 2 x 10^8 J of work against outside atmosphere, the net change in the internal energy is: a.

  9. maths

    find term independent of y in expansion of,[x^4÷y^3+y^2÷2x]^10

  10. Language Arts

    1)In all together now, Barbara Jordan's main purpose is to a)persuade readers that a tolerant society is best created by working on a small scale.*** b)inform readers of the civil rights movement in the United States. c)praise the work of the leaders of

  11. Algebra

    Whats an inequality for negative three sevenths of a number is at least 102.

  12. math

    a Midwestern music competition awarded 28 ribbons. The number of blue ribbons awarded was 1 less then the number of white ribbons. The number of red ribbons was 2 more then the number of white ribbons. How many of each kind of ribbons was awarded?

  13. history

    in order please Cenozoic,Mesozoic,Paleozoic,Precambrian thanks

  14. SCIENCE PHYSICS

    WHEN a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its weight then what is the weight of the body in water,in air,what is upthrust on the body what is the volume of tne body.

  15. physics

    Two ice skaters approach each other at right angles. Skater A has a mass of 30.7 kg and travels in the +x direction at 2.64 m/s. Skater B has a mass of 109 kg and is moving in the +y direction at 1.29 m/s. They collide and cling together. Find the final

  16. MEKELLE

    Arrange increasing rates of diffusion H2 CO CO2 N2 He O2 SO2

  17. maths

    At 3h00 a clock strikes the bell 3 times. The time between first and last strike is 30 seconds. How long does it take to strike the bell at 12h00?

  18. Maths

    1)Solve.(x+3)^2/(x^2-x+7)(x-2)

  19. math help pls pls

    A system of equations is shown below: x + y = 3 2x – y = 6 The x-coordinate of the solution to this system of equations is _____.

  20. Physical Education

    Which of the following is not true concerning footnotes The footnote can be shorter on a smaller package The footnote appears at the top of the nutritional label The footnote is a required section of the nutritional label The footnote does not change from

  21. physics

    4. Let's say you're driving in your car, approaching a red light on the Camp Hill Bypass. A black Porsche is stopped at the light in the right lane, but there's no-one in the left lane, so you pull into the left lane. You're traveling at 40 km/hr, and when

  22. geometry

    In class we are doing overlapping triangles and I have the measures of the angles I just need to know how to solve if there's an angle that isn't congruent between both sides?? if that makes any sense.

  23. Physics projectile motion

    A football player kicks a ball with a soeed of 22.4 m/s at an angle of 49 degrees above the horizontal from a distance of 39.0 m from the goal post, A). By how much does the ball clear or fall short of clearing the crossbar of the goalpost if the that bar

  24. Algebra

    Write an inequality for Six times a number increased by 38 is no more than the number decreased by 14

  25. Human Behavior

    Existential psychology has four basic themes. Define the themes. How are those themes different from humanistic theory themes of positive psychology and suffering of existentialism?

  26. algebra

    a student worked w hours on tuesday x hours on wednesday y hours on thursday and z hours on friday which algebraic expression represent the average arithmetic mean number of hours per day the student worked for the four days for any valuesof w,x,y,and z

  27. Geometry

    If congruent side FH is a median of△EFG,find the perimeter of △EFG

  28. Physic

    Obtaining an algebraic Equation for T (0.300)(4190J/(kg*K)(T-70.0*C) + (0.100)(390J)/(kg*K)(T-20.0*C) I don't know how to use the Algebraic Equation on that?

  29. physics

    M1.) Nguyen jumps off a cliff with a height of 100 meters at a velocity of 3.5 meters per second to a save a cat. How long will it take her to reach the surface of the ocean? A3.) A plane vertically flees a horde of zombies at a speed of 7.9 m/s at a

  30. Math

    For every 4 jumping jacks Lauren did during the physical fitness test, Jason did 3. Lauren was able to do 10 more jumping jacks than Jason. How many jumping jacks did Jason do?

  31. Introduction to Terrorism

    What are some of the constraints to creating international law that prohibit terrorist acts? My answer is that not all places will agree to the same terms.

  32. math

    Determine the solution of the following systems of linear equations using elimination. 2x + 3y = 7 x – 2y – 4 = 0

  33. trigonometry

    how to graph y= sin2(x+1) and y =cos 10(x+3) I know how to find amplitude period phase shift and Vertical shift for first question amp=1 period =pie phase shift =left 1 how to find points to plot it? what values we should put for x interms pies or numbers

  34. Math

    For every 8 chin-ups Doug did during the physical fitness test, Adam did 3. Doug was able to do 15 more chin-ups than Adam. How may chin-ups did Adam do?

  35. math

    . A drama club was performed in an auditorium that has a capacity of 540. Students had to pay $7 a ticket and adults were charged $10. On opening night, the auditorium was full and they brought in $4764 in ticket sales. Write a system of equations to model

  36. math

    Determine the solution of the following systems of linear equations using elimination. 2x + 3y = 7 x – 2y – 4 = 0

  37. Introduction to Terrorism

    Describe some of the laws of war and how this is factored into the issue of terrorism. My answer is killing of innocent civilians is prohibit.

  38. Math

    $10,000 invested. part at 3% and part at 6% for a period of 1 year. how much was invested in each account if the interest earned in the 6% account was $357 greater than the 3% account?

  39. maths

    Probability that two digit number is multiple of five and how?

  40. Chemistry

    How do shape and symmetry influence the polarity of a molecule?

  41. physics

    A rifle with a weight of 17 N fires a 3.6 g bullet with a speed of 231 m/s. The acceleration of gravity is 9.81 m/s 2 . Find the recoil speed of the rifle. Answer in units of m/s.

  42. physics

    A(n) 2864 kg van runs into the back of a(n) 856 kg compact car at rest. They move of together at 7.5 m/s. Assuming no friction with the ground, find the initial speed of the van. Answer in units of m/s.

  43. St. Vivekanand sr. sec. school,bikaner

    What is the value of iota to the power iota i.e.i^i

  44. physics

    Two cars, one of mass 1300 kg, and the second of mass 2200 kg, are moving at right angles to each other when they collide and stick together. he initial velocity of the first car is 14 m/s in the positive x direction and that of the second car is 18 m/s in

  45. maths

    10m= cm

  46. math

    in an arithmetic sequence whose first term is 4, the 1st, 3rd and 7th terms form consecutive terms of geometric sequence, find the sum of the first three terms of the arithmetic sequence

  47. Maths

    find the area of equilateral triangle with measure of side area a,b, c by using multiple double integration

  48. math

    How much % above the cost price should a shopkeeper mark his good so that after allowing a discount of 10%, he should gain 26%? The diameter of a circle is 10cm. If the distance of a chord from the centre of the circle be 4cm then , find the length of the

  49. Maths

    Solve. 4x^2-3x+2/(x-1)(x+2)(x^2+1)

  50. Partial fraction

    (x-1)(x^2+x+1)/(x^2+1)(3x^2+4x+5)

  51. dzwaboni sec school and am doing this subject(math literacy, history, geography,life science, life orientation, English and tshivenda

    Am in grade 10 and I do maths literacy.so what percentage should I get in maths literacy to do law degree?

  52. PHYSIS

    A 53.0 kg circus performer oscillates up and down at the end of a long elastic rope at a rate of once every 6.60 s. The elastic rope obeys Hooke's Law. By how much is the rope extended beyond its unloaded length when the performer hangs at rest?

  53. Maths

    10x^2+x+9/x(2x^2+3)

  54. Maths

    Solve. 1-x/(x^-23x+2)(x^2+4)

  55. Maths

    solve the equation -2x+3y+2z=a x-2y+2z=b x+y-2z=c Consider a special case when a+b+c=0

  56. Maths

    Find the value of k for which the equation, kx+3y+2z=1 x+(k-1)y=4 2x-ky-z=5 Are constant. Also find the value of variables x,y,z when k is an integer.

  57. physics

    M1.) Nguyen jumps off a cliff with a height of 100 meters at a velocity of 3.5 meters per second to a save a cat. How long will it take her to reach the surface of the ocean? A3.) A plane vertically flees a horde of zombies at a speed of 7.9 m/s at a

  58. Maths

    Solve. 4x^3+2x^2-3x+1/(2x+1)(x-3)

  59. Maths

    Solve, (3x-2)(x+1)(x-3)/(x-2)^2

  60. Calculus i need help

    (Cosx)^y=x^siny find dy/dx at point pi/(4,0)

  61. Physics 1st

    What will be apparent length of a rod 1m long moving with 0.7c

  62. math

    dwight made 13 shots at the basketball game on friday night and made a total of 30 points. she scored 5 more two pointers than three pointers. how many of each type of baskets did she make? Also make equations to help figure it out.

  63. Methodist High School

    the area of sq is 1024 1)find its each side 2)find its perimeter 3)find the time taken by a man to make 5 rounds of the feild walking at the speed of 4.5 km/h

  64. Physics

    If a steel block is on an inclining steel plane,at what angle will the block start to slide.

  65. Danville

    Mr. Martin springs off a 5 meter high diving board with an upward velocity of 20 m/s. A. Find Mr. Martin's height, velocity and acceleration after 0.5 seconds. B. Determine when Mr. Martin will hit the water. C. What is Mr. Martin's maximum height off the

  66. French

    Do these directions in French make sense? Please correct any mistakes. Thankyou!! Recipe Dialogue Title- Poêle Fris Mexicain 1- Tu avez besoin : d'huile riz les oeufs fromage noir haricot 2- tomate l’oignon mexicain épices d’ail (optionnel)pigment

  67. 7th Grade Civics Help Please

    I have a few questions with a multiple choice answers that I do not understand. Can someone please explain it to me more clearly than my lesson is doing? Any answer that I think I know I will surely put asterisk by. 1. Article IV, Section 2 of the U.S.

  68. english

    meaning of. marishea

  69. Physics

    Mr. Martin springs off a 5 meter high diving board with an upward velocity of 20 m/s. A. Find Mr. Martin's height, velocity and acceleration after 0.5 seconds. B. Determine when Mr. Martin will hit the water. C. What is Mr. Martin's maximum height off the