Questions Asked on
June 9, 2016

  1. math

    How many pairs of positive integers $(x,y)$ are there which lie below the graph of the hyperbola $xy = 16$?

    asked by rui rui
  2. Algebra

    Create a system of equations that includes one linear equation and one quadratic equation. Part 1. Show all work to solving your system of equations algebraically. Part 2. Graph your system of equations, and show the solution graphically to verify your

    asked by Sally
  3. mathematics

    Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two numbers. Show how to use the identity (x − y)^2 = x^2 − 2xy + y^2 to square your number without using a calculator.

    asked by brandy
  4. Math

    A metallic pipe is 0.7 cm thick .Inner radius of the pipe is 3.5 cm and length is 5dm .Find it's total surface area?

    asked by Raghu
  5. Math

    In a class of 100 students, 40 offer Biology and 10 offer Chemistry and Biology .10 offer Physics and Chemistry , and 30 offer Physic and Biology . Each student offer at least one of the three subjects. The number of students who offer Biology is equal to

    asked by Delson
  6. Arithmetics

    if there are 380 females students in a class, and male students take up 60% of the class, how many total students are in the class? 380/0.6 = 633??

    asked by Kayla
  7. business accounting

    The current liabilities of Mohit Ltd are Rs. 150000 and its current ratio is 3:1 and liquid ratio is 1:1. Calculate the value of current assets, liquid assets and stock of Mohit ltd.

    asked by sonika
  8. algebra 2B

    5. Come up with a new linear function that has a slope that falls in the range −1 < m < 0 . Choose two different initial values. For this new linear function, what happens to the function’s values after many iterations? Are the function’s values

    asked by deanna
  9. math

    Find an equivalent ratio for the ratio 6 to 7.

    asked by Anonymous
  10. basic science

    calculate the work done when a person pushes a car from its stationary position to a distance of 50m applying a force of 200n

    asked by augustine samson
  11. geometry

    line jk bisects mn at point j find mn if jm = 6 3/4 feet

    asked by line jk bisects mn at point j find mn if jm =6 3/4
  12. Basics of a business plan

    What helpful information can you find at a company or distributors website

    asked by Anonymous
  13. math

    Create a quadratic polynomial function f(x) and a linear binomial in the form (x − a). Part 1. Show all work using long division to divide your polynomial by the binomial. Part 2. Show all work to evaluate f(a) using the function you created. Part 3. Use

    asked by ted
  14. math

    Jordan has three bills in her wallet. They might be any combination of $5,$10, and/or $20 bills. a) Fill in the organized list to show ll the possible combination of bills.

    asked by nawab
  15. Math

    Triangles ABC and DEF are similar. Find side AC. Round your answer to the nearest tenth. cm

    asked by Irma
  16. math

    The figure below shows the ellipse $\frac{(x-20)^2}{20}+\frac{(y-16)^2}{16}=2016$. [asy] defaultpen(linewidth(0.7)); pair c=(20,16); real dist = 30; real a = sqrt(2016*20),b=sqrt(2016*16); xaxis("x",c.x-a-dist,c.x+a+3*dist,EndArrow);

    asked by rui rui
  17. Physics

    The system shown in the following figure is in static equilibrium. Find the frictional force exerted on block (m1) given that the mass of block (m1) is 8.90 kg, the mass of block (m2) is 2.59 kg, and the coefficient of static friction between block (m1)

    asked by Eric Sowell
  18. math

    At the malt shop a large chocolate shake takes 8/9 of a pint of milk. If the medium shake takes 1/7 the amount of a large, how much does the medium shake take?

    asked by Cindy
  19. Logic and Reasoning

    Consider the following pattern involving fractions: 15/20=3/4, 15-3/20-4=12/16=3/4 18/15=6/5, 18-6/15-5=12/10=6/5 1.) Make a conjecture about the pattern. Show that the conjecture is true for another example. 2.) Explain how inductive reasoning can be used

    asked by Shayla
  20. physics

    The two small spheres each with mass m= 25g are hung by silk threads length L=.65m from a common point. When the spheres are given positive charge such that q1=2q2, each thread hangs stationary at theta=15 degrees from the vertical. Using Newton's first

    asked by someone
  21. Math(Please Help Assignment Due)

    Consider the following pattern involving fractions: 15/20=3/4, 15-3/20-4=12/16=3/4 18/15=6/5, 18-6/15-5=12/10=6/5 1.) Make a conjecture about the pattern. Show that the conjecture is true for another example. 2.) Explain how inductive reasoning can be used

    asked by Jenny

    Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x- and y-intercepts on your graph. Label the asymptotes and

    asked by Sally
  23. chemistry

    Iron(III) oxide can be reduced to metallic iron by heating it in the presence of carbon. Balance the following equation, then determine the ratio of C to Fe in the reaction? Fe2O3 + C → Fe + CO2?

    asked by madison
  24. Math

    What is the answer to My hundreds digit is the last odd number. Five less than my hundreds digits is my ones and my tens digit is to more than my ones digit. My thousands digit is three less than my hundreds digit.

    asked by Jasmine
  25. Civics

    Which of the following best describes the differences between propaganda and bias? Propaganda is used by organizations that are speaking truthfully, whereas biased articles may be true or false. Propaganda is intended to be persuasive, while bias expresses

    asked by TombBoy23
  26. algebra

    Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x- and y-intercepts on your graph. Label the asymptotes and

    asked by Kassie

    Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x- and y-intercepts on your graph. Label the asymptotes and

    asked by Kassie
  28. MATH

    Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x- and y-intercepts on your graph. Label the asymptotes and

    asked by MOM
  29. Essay Evaluation (Writeacher)

    Prompt: Explain the relationship between Lennie and George. How does George take responsibility for his companion? Explain how George show loyalty and compassion by taking Lennie's life. I haven't written much, so here's my first body paragraph. It

    asked by Victoria
  30. math/algebra

    The surface area of a rectangular prism is SA=2lw+2wh+2lh. The volume of a rectangular prism is V=lwh. Write an expression for the ration of surface area to volume.

    asked by james
  31. physics

    Two identical mass-spring systems consist of 250-g masses attached to springs of spring constant 15 N/m. If one of them starts oscillating from its equilibrium position at time t = 0, how much later should the second one start so they oscillate out of

    asked by Harry
  32. Science

    A 450-g block is attached to a spring of spring constant 45 N/m and is in simple harmonic motion on a frictionless surface with an amplitude of 7.5 cm. A second identical block, moving at 12 m/s in line with the spring, strikes the first one when the

    asked by Lucy
  33. Math

    What are the next three terms in the sequence? -6, 5, 16, 27 Answers: 38, 49, 60 37, 47, 57 36, 45, 54 36, 46, 57

    asked by Hannah Montana
  34. Math

    Please explain this to me because im really stumped here!!: The probability of winning a game is 20%. If you play 20 times, how many times should you expect to win? A.4 times B.10 times C.16 times PLEASE HELP!!!!

    asked by Myah
  35. History

    Which of these questions was central for U.S foreign policy in the years immediately following the War of 1812? A. Should the United States expand into the Pacific? B. What should be down about Texan independence? C. How should the boundary between the

    asked by Madyson
  36. math

    An ellipse and a hyperbola have the same foci, $A$ and $B$, and intersect at four points. The ellipse has major axis 50, and minor axis 40. The hyperbola has conjugate axis of length 20. Let $P$ be a point on both the hyperbola and ellipse. What is $PA

    asked by clache
  37. Civics

    In the United States, people pay taxes so government can provide services to the people. What is one benefit of the government providing services instead of allowing the free market and private businesses to do so? A. Government can provide services that

    asked by Anonymous
  38. Physics

    A car enters a circular flat curve with a radius of curvature of 0.40 km with a maximum speed of 130 km/h. If the friction between the road and the car's tires can supply a centripetal acceleration, what is the static coefficient of friction?

    asked by Luke Michaels
  39. Algebra

    Scores on a statewide standardized test are normally distributed with a mean of 12.89 and a standard deviation of 1.95. Certificates are given to students whose scores are in the top 2% of those who took the test. This means that they scored better than

    asked by Sally
  40. physics

    4mm=0.004m 2cm=0.02m 2kg=2000g 4kg= ____m 2) 5 physical senses and why their considered physical -touch,hearing,smell,taste,sight their considered physical because The nervous system has a specific sensory system or organ, dedicated to each sense?

    asked by Rein
  41. Social Studies

    "Even among the more prosperous classes there was open criticism of the sovereign's person and his political choices. The dictatorship was dead weight on all sections of security, and public opinion saw the Shah as embodying everything that went wrong."

    asked by Help please
  42. Quantative reasoning

    Write the formula for the total cost of renting a full-sized car when the unlimited mileage charge is added.

    asked by Tammy
  43. Math

    How do you find the height of a scalene triangle when the base and the two side lengths are different? The measurements are base - 12 cm one side - 8 cm the other side - 7 cm I need the height to find out the area

    asked by Bianca
  44. geometry

    How to solve for LMN?

    asked by Anonymous
  45. chemistry

    The Kb of ammonia is 1.8 x 10–5. What is the percent ionization of a solution of ammonia, 0.50 mol L–1 NH3, that contains 0.020 mol L–1 of ammonium nitrate, NH4NO3? when i use the ICE table i don't end up with an unknown so im not sure what to do. Am

    asked by James
  46. Politics

    Why do so many people vote for Trump when his ideas are racist and irrational?

    asked by Dillila
  47. Social studies

    Which movements/rhythm are native to the Caribbean and which are not? If they are not native, identify the culture they came from. Im having trouble finding answers.

    asked by Yuno Gasai
  48. economics

    The United States is one of the nations in the world with the highest number of Economists. They are even some Economic Nobel laureates in the country. Why do you thinks the country has been in a recession for this long when we have many Economists? Why

    asked by Dela
  49. math

    find the height of a pyramid whose square base measures 30yd on each side and whose slant height it 45yd?

    asked by clark
  50. geometry

    line jk bisects mn at point j find mn if jm = 6 3/4 feet

    asked by pedro
  51. Math

    Elizabeth claims that she has proven that 7=5with the following: 7(a+b)-5(a+b)=7c-5c 7a+7b-5a-5b=7c-5c 7a+7b-7c=5a+5b-5c 7(a+b-c)/(a+b-c) = 5(a+b-c)/(a+b-c) 7=5 1.) Explain why this is an invalid proof.

    asked by Jenny
  52. Math2

    Paula has a mathematical magic trick. She gives the following instructions to her friend Jessica: -think of a number - triple it - add 6 - divide by 3 - add 5 - subtract your original number Paula now knows the number Jessica ended up with. 1.) what number

    asked by Jenny
  53. Chemistry

    A solution of acetic acid, 1.0 mol L–1 CH3COOH, contains sodium acetate, NaCH3COO. The percent ionization of the above solution is 0.25%. The Ka for acetic acid is 1.8 x 10–5. Which of the following is the concentration of NaCH3COO in acetic acid? So i

    asked by luis
  54. geography

    what is the difference of time between the longitude of india and chicago

    asked by baibhav
  55. Math - Year 10 - Simult. Equations

    Q) find the point of intersection y = 3x x^2 + y^2 = 10

    asked by Anonymous
  56. chemi

    500g of zinc carbonate was heated to constant mass.A.state what was observed? write an ionic equation that took place? calculate the apparent loss in mass?

    asked by Kirungi john
  57. Math

    What must be true about the solution to this system of equations? x+4y+9z = -96 -2y+9z = -47 z = -7 a) The solution will describe the intersection point(s) of the 3 graphs. b) The value of z must be -7. c) The solutions will have values for x, y, and z. d)

    asked by David
  58. chemistry

    what fraction of voids are occupied by sp3 carbon in diamond

    asked by Anushka
  59. Parametric Equations

    For the set of parametric equations x = 2t+1 and y = t^2-5, name the initial point on the graph on the interval -5

    asked by David
  60. Math

    A cylinder of curved surface area 1250m² is formed from a rectangular metallic sheet .Find the dimensions of the rectangular sheet I its length is double its breadth?

    asked by Rohit
  61. English

    Can you summarize this case study 300 words minimum? Overview Hospital A: Porter Regional Medical Center (PRMC) Located on the east side of town, Porter Regional Medical Center (PRMC) was a for-profit hospital, consisting of 110 hospital beds, 8 of which

    asked by sarah
  62. Chemistry

    What is the percent of aluminum in Al2(SO4)3? A. 15.8% B. 28.1% C. 56.7% D. 54.0% C?

    asked by quick help please
  63. algebra

    Using the equation below as a model, fill in numbers in the place of a and b to create a rational equation that has an extraneous solution. x+a/ax=b/x Part 1. Show all work to solve for x in the equation and check the solution. Part 2. Explain how to

    asked by rocky
  64. chemistry

    Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. When 75.0 mL of the NaIO3 solution have been added, what is the concentration of the Cr(III) ion remaining in solution? not sure how to

    asked by James
  65. Equivalent Algebraic Expressions

    The game shown at the right consists of eight pairs of coloured squares called dominos. Rules: 1. Write a polynomial in each square marked P and a rational function in each square marked R. 2. The expressions you write must satisfy each of these

    asked by naz
  66. Science

    Your journey to the centre of the earth took 64 hours at 100km/h. What was the total distance you traveled??

    asked by Kim
  67. Math

    You shop for bikes and find 7 types priced at 119 139 149 179 189 199 and 209. you want to buy the 189 bike would you use the mean median and mode to convince your parents that this is a reasonable price for a bike? explain Please help me

    asked by PLEASE HELP
  68. physics

    A large aquarium has viewing ports so people can watch dolphins swim by. What is the net force on a rectangular window, 2.30 m wide and 1.20 m high, if the top of the window is 4.50 m below the surface of the water?

    asked by John
  69. Physics

    A basketball player drops a 0.60-kg basketball vertically so that it is traveling at 6.0 m/s when it reaches the floor. The ball rebounds upward at a speed of 4.7 m/s. Determine the average net force that the floor exerts on the ball if the collision lasts

    asked by T
  70. Math

    Create a rational function with a linear binomial in both the numerator and denominator. Part 1. Graph your function using technology. Include the horizontal and vertical asymptotes and the x- and y-intercepts on your graph. Label the asymptotes and

    asked by John
  71. geography

    Under the Soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources.

    asked by sarah
  72. math

    what is the surface area of cardboard box? l= 4cm w= 5cm h=10cm

    asked by sunil
  73. physics

    Both threads are now lengthened such that L=1.00m, while the charges q1 and q2 remain unchanged. What new angle will each thread make with the vertical? Hint: you must solve for the angle numerically

    asked by someone
  74. Social studies

    how have geographic conditions most impacted Nancy's economic activities 1)Lack of arable land has made farming impossible 2) Difficult terrain has led people to rely on forest resources 3)Inadequate rainfall has encouraged people to develop irrigation

    asked by John Stamos
  75. Business English

    which sentence is correctly capitalized?

    asked by Anonymous
  76. Algebra

    Write the equation of the line in slope intercept form; passing through (3,11) with slope 7/3

    asked by Student
  77. Civics

    How does tax benefit a family?

    asked by Eu gosto bolos *-*
  78. Science


    asked by Sunil behera
  79. chemistry

    Information Set 4: Consider the reaction between 500 mL of 0.100 mol L–1 Pb(NO3)2(aq) and 500 mL of 0.200 mol L–1Na2CrO4(aq). Ksp for PbCrO4 (s) is 2.8 x 10–13. What volume of 0.100 mol L–1 lead nitrate solution would give the necessary

    asked by duke
  80. MATHS

    Chemical equation for tine acetate and nh4oh

    asked by AKACHI
  81. History

    1. In the early 1990's, President George H.W. Bush did not want Saddam Hussein, the leader of what country, to get a hold of oil reserves in Kuwait? A. Iraq B. Iran C. Saudi Arabia 2. This government program, designed to help elderly people with their

    asked by Shelby (please help!)
  82. Physics

    Question 1: Dan is pulling on his dog’s leash, the dog is pulling with 40N of force and Dan is pulling with 50N of force, how fast are they going after 2 seconds? Question 2: If you want to throw a rock 50m with a 1 m sling, what frequency do you need to

    asked by Mike
  83. Physics

    Mike wants to make a free throw; he realizes that if the ball is exactly 20cm above the hoop as it hits the backboard at the top of its trajectory, it will go in. The free throw line is 4.5 m from the plane of the backboard and the hoop is 3 meters from

    asked by Mike
  84. Physics

    The A above middle C has a frequency of 440 Hz. If you play this note on a piano and the piano string oscillates with an amplitude of 0.55 mm, what is the maximum acceleration of the string?

    asked by Ben
  85. Math/Dosage Calculations

    Hey there, still working through that packet. Could someone help explain how I would solve this problem? The answer in the packet says it's 420mL. Thanks in advance! Calculate the fluid intake in mL for the meal. Assume a glass holds 8 oz. 1/3 glass orange

    asked by Anonymous
  86. Pre-Cal: Domain (cont.)

    I figured out problems 1-7, arithmetically (thank you all for the help on that) But not number 8: f(x)=5/x , g(x)=7/(x+7) #7). Find (f/g)(x) Answer ==> [5(x+7)]/[7x] #8). Find the domain of (f/g)(x). (enter your answer using interval notation)

    asked by Ashley
  87. None

    If I have 5 things to do, 2 will take 1 hour and 3 will take 30 minutes which should I do first?

    asked by Mr.Sir
  88. analytical math

    rony who is sixteen years old, is four times as old as her brother. How old will Mary be when he is twice as old as her brother?

    asked by nehal
  89. Math: Inverse Function (Plz help)

    Find the Inverse function of f: f(x)=8+[square root of(8+x)] f^(-1)(x)=_______, x>8

    asked by Jennifer
  90. reading

    explain what makes Anne a complex character

    asked by please help me
  91. Responsibility

    What does it mean to take responsibility for someone?

    asked by Victoria
  92. gaithersburg middle school

    RING TOSS Objective: Toss a ring onto the top of one of the green bottles. Method: You will have 3 chances to toss a ring. You will toss only one ring at a time from a distance of 5 feet. The bottle your ring lands on will be removed from the box after

    asked by ester
  93. Calculus

    Use pinching theorem to evaluate lim x-->1 ((x-1)sin(1/x-1)) I'm confused in the pinch theorem analytically

    asked by Anonymous
  94. algebra

    you are going to the Maryland state fair and would like to play some carnival games with the hopes of winning a prize .your mom said you are allowed to play one game only .your task is to analyze two carnival games and predict the probability of winning

    asked by ester
  95. physics

    A string is stretched between fixed supports separated by 73.0 cm. It is observed to have resonant frequencies of 380 and 475 Hz, and no other resonant frequencies between these two.

    asked by Marie
  96. Pre-Cal: Domain

    [Note: I really need help on these Domain questions. I've been struggling with this all day] -Consider the following: f(x)= 5/x , g(x)= 7/(x+7) -Find the solutions to the following: 1). (f+g)(x) 2). Domain of (f+g)(x) [Use interval notation too] 3).

    asked by Ashley
  97. Physics- Help!!

    A step-up transformer is used on a 100 V line to increase the potential difference to 1200 V. If the primary has 120 turns, then what is the number of turns in the secondary coil? 1440 turns 1000 turns 100 turns 10 turns Thanks!!!!!

    asked by Ellie
  98. geometry

    Find the equation of the line (-3,1) that is parallel to the line that passes through (2,5) and (-6,13) I do not understand how to the problem at all

    asked by seneea
  99. math

    Air expands from 2 m3 to 3 m3 at constant pressure. If the initial temperature is 60 degrees Celsius, what is the final temperature?

    asked by Anonymous