Questions Asked on
November 19, 2016

  1. algebra/pre-calc - please help

    Lines can be used to approximate a wide variety of functions; often a function can be described using many lines. If a stock price goes from $10 to $12 from January 1st to January 31, and from $12 to $9 from February 1st to February 28th, is the price

    asked by melissa
  2. Pre-calculus

    prove sin(x+y)+sin(x-y)/cos(x+y)+cos(x-y)=tanx

    asked by liv
  3. SS and i need SOS. please help me

    1.Who Were Among the first permanent White settlers in Oregon. A.Farmers B.Trappers C.Missionaries D.traders 2.What was the Rendezvous and why was it important to the maintain men a:it was the largest trading company in the west and the mountain men traded

    asked by hehell
  4. Calculus

    An 18 meter ladder leaning against a building makes a 70 angle with ground. How far up the building does the ladder touch?

    asked by Joana
  5. science

    what types of are formed when atoms share electrons unequally

    asked by Anonymous
  6. ACCOUNTING

    Budgeting is _______________________________. (Points : 1) A an exact science B going to involve the use of estimates C not going to ever produce a variance if properly prepared D never created using information from a previous period ANSWER B

    asked by madam
  7. Pre-calculus

    prove the identity sin2x-sin2y/sin2x+sin2y=tan(x-y)/tan(x+y)

    asked by liv
  8. Physics

    A 3.20 kg block starts at rest and slides a distance d down a frictionless 30.0° incline, where it runs into a spring (Fig. 8-6). The block slides an additional 23.0 cm before it is brought to rest momentarily by compressing the spring, whose spring

    asked by Alex
  9. Calculus

    Suppose that you are to make a rectangular box with a square base from two different materials. The material for the top and four sides of the box costs $1/ft2$1/ft2; the material for the base costs $2/ft2$2/ft2. Find the dimensions of the box of greatest

    asked by Allie
  10. Chem1020

    help me please! What is the pressure in millimeters of mercury of 0.0160 mol of helium gas with a volume of 214 mL at a temperature of 45 ∘C?

    asked by Liselle
  11. Algebra

    Lines can be used to approximate a wide variety of functions; often a function can be described using many lines. If a stock price goes from $10 to $12 from January 1st to January 31, and from $12 to $9 from February 1st to February 28th, is the price

    asked by melissa
  12. Chemistry

    An electron in the n = 10 state of a hydrogen atom emits a photon with energy of 6.54×10–20 J. What is the final state of the electron

    asked by Jason
  13. math

    78, 69, 45, 89, 74, 37, 99, 77, 100, 82. What is the interquartile range of these scores?

    asked by mary
  14. math

    The function D(h) = 5e - 0.4h can be used to find the number of milligrams D of a certain drug that is in a patient’s bloodstream h hours after the drug has been administered. a) How many milligrams will be present after 1 hour? B) after 6 hours? (Round

    asked by jac
  15. Science

    A system comprising blocks, a light frictionless pulley, and connecting ropes is shown. The 9 kg block is on a smooth horizontal table The surfaces of the 12 kg block are rough, with μ = 0.30. In Figure 5.7, the mass M is set so that it descends at

    asked by Ala'a
  16. Math (Calculus) (mean value theorem emergency)

    Consider the graph of the function f(x)=x^2-x-12 a) Find the equation of the secant line joining the points (-2,-6) and (4,0). I got the equation of the secant line to be y=x-4 b) Use the Mean Value Theorem to determine a point c in the interval (-2,4)

    asked by Ray
  17. math

    5/x-2 - 4/x-3 express as a single fraction in its simplest form. I had done the question like this: = 5/x-2 (x-2)(x-3) -4/x-3 (x-2)(x-3) = 5x-15-4x+8 = x-7 but how in fraction?

    asked by humza
  18. ACCOUNTING

    All of the following are parts of a Master budget except a___________________. (Points : 1) A sales budget B production budget C direct labor budget D balanced scorecard ANSWE4 D

    asked by madam
  19. Physics

    A car with its passengers have a total mass of 4200kg .the car is travelling along a horizontal road when it moves ,it experiences a forward driving force of magnitude F newtons and a constant resistance force(opposite to driving force)of 850N a)what is

    asked by Ali
  20. ACCOUNTING

    Managers would prefer a budget prepared______________________________. (Points : 1) A by the budget committee B utilizing the top-down approach C utilizing the bottom-up approach D utilizing none of the methods listed here ANSWER C

    asked by madam
  21. ACCOUNTING

    Padding a budget __________________________________. (Points : 1) A is a smart use of company funds by a manager B does little to advance organizational efficiency C may induce wasteful spending D is impacted by more than one of the solutions listed here

    asked by madam
  22. Math

    Your child is learning to identify the number that is one more or one less than a given number up to 20. Ask your child if he /she can use a pencil to join the bees that are one more than each number to the flower.then ask him/her to find the bees that are

    asked by Nhhh
  23. Pre-calculus

    If sin2x=7/25, siny=-2/sq root of 13, cot y>0, and -pi/4

    asked by Liv
  24. Math

    Let V and W be vector spaces and assume that T be a linear mapping from V to W. (a) Show that ker(T) is a subspace of V . (b) Show that range(T) is a subspace of W.

    asked by Usman
  25. Math! Help asap

    -2x^2+10x+3=0 What is the factored version of this??

    asked by Dal
  26. Statistics

    Sorry but I don't know how to do this problem. Can someone please help me? In the following problem, check that it is appropriate to use the normal approximation to the binomial. Then use the normal distribution to estimate the requested probabilities.

    asked by Tina
  27. Chem1020

    Please help me!!! A sample of gas has a mass of 0.570 g . Its volume is 109 mL at a temperature of 95 ∘C and a pressure of 754 mmHg .Find the molar mass of the gas.

    asked by Liselle
  28. maths

    maths project:study ways f raising a loanin a bank

    asked by likitha
  29. math

    Write largest and the smallest fraction among the given fraction 4/9 plese answe

    asked by selvam
  30. maths

    in the fig Cis the midpoint of line segment AB and P is midpoint of line segment AC.show that PC=1/4 AB.

    asked by sanket sunil ghodake
  31. Math Quadratic Functions

    Quadratic equation always do what to their inputs? How can I answer this question..?

    asked by A
  32. Algebra

    3n2+5n-100=?

    asked by Vijay
  33. GEOMETRY

    in a traingle XYZ A is the mid point of XY and AB//XZ. is XZ is 8.4 cm . find the length of AB

    asked by igot7
  34. math

    When 5 is added to both the numerator and denominator of a fraction the result becomes 1/2.When 1 is subtracted from both the numerator and denominator the fraction becomes 1/5.Find the fraction. plzz do whole method, i cant understand it.

    asked by hamza
  35. java program

    write aprogram that can display the payrol system

    asked by guze
  36. statistics and probabilities

    Suppose you will be taking exams in English, statistics and chemistry tomorrow and from past experience you know that for each exam you have a 50% chance of receiving an A. List all the possibilities for receiving A's on various exams. Letting X represents

    asked by rhinechilde
  37. Math

    Why Quadratic equations are shaped like U ?

    asked by Emma
  38. Math

    The adjacent sides of a parallelogram are 45 cm and 28 cm. Find the sum of the squares of its diagonals.

    asked by Pushkar
  39. Physics

    What role does the mass of the projectile play in changing the horizontal and vertical motions of the projectile? Why? Thank you!

    asked by Louren
  40. math

    Monica deposits ​$400 into a savings account that has a simple interest rate of 4.1​%

    asked by vallery
  41. Science

    How much sugar is needed to reach the point of saturation at 20 degrees celsius?

    asked by Anonymous
  42. algebra 2

    What is the sqaure root of -180x^8 I got 6x^4 i radical 5

    asked by Tom
  43. Algebra 2

    Given the line below. Write the point-slope form of the given line that passes through the points (0, 3) and (4, 0). Identify (x1, y1) as the x-intercept of the line. Include your work in your final answer. Type your answer in the box provided or use the

    asked by vfgvljk
  44. Psychologhy

    Becky is struggling to learn her alphabet letters. Her kindergarten teacher, frustrated by failed attempts to teach her, says to Becky, "All the other girls and boys can write most of the letters and you can't even say their names." The teacher believes

    asked by Dlown
  45. algebra

    Our basketball team has finished $80\%$ of its season, during which we won $40\%$ of the games we played. What percent of the remainder of our games must we win in order to finish the season with the same number of wins as losses?

    asked by cce
  46. Physics

    You demonstrate hitting a board in a karate class. The speed of your hand as it hits the thick board is 12 m/s with respect to the board, and the mass of your hand is about 0.74 kg. How deep does your hand go into the board before stopping if the collision

    asked by Bob
  47. math

    The sum of the digits of a two-digit number is equal to 15. If these digits switch places then you will get a number that is 27 less then the original number. Find these numbers.

    asked by bla bla bla
  48. math - business

    My profit formula is P = -.005x^2 + 4x - 200. The question wants me to find the number of donuts sold (what they are talking about in the problem) that will generate the highest profit. How do I determine that? Thank you.

    asked by Carly
  49. Math

    A recipe for 2 1/2 dozen cookies calls for 1 7/8 cups of flour. How many cups of flour are needed to make 1 1/3 dozen cookies?

    asked by Crystal
  50. math

    In a lottery game, a player picks 9 numbers from 1 to 43. How many different choices does the player have if order doesn't matter?

    asked by kristin
  51. math - business

    A manufacturer has determined that if it sets the price of paper at x dollars per ream, then its monthly profit can be represented by the equation P = (6000 - 400x)(x - 2). Determine the y-intercept - I multiplied it out and found that the y-intercept was

    asked by Carly
  52. math algebra

    if f(x) = x+1/x^2-9 and g(x) = x/x-3, find a) the domain of f(x) b) the domain of g(x) c) (f+g) (x) d) the domain of (f+g) (x)

    asked by rita
  53. Math

    what is 6 1/7 - 1 5/21

    asked by Lisa
  54. Dr.Bob Chemistry

    Is !@#$%^&T associated with E1 or E2? I think it is E2.

    asked by Sarah
  55. math algebra

    Gray Glaze requires 15 hours to put a new roof on a house. His apprentice, Anna Gandy, can record the house by herself in 20 hours. After working alone on a roof for 6 hours, Gary leaves for another job. Anna takes over and completes the job. How long does

    asked by jacky
  56. Math

    I need to know the steps on how to solve the surface area of a cone. That has a radius of 4 and a height of 7.

    asked by Embershy
  57. math algebra

    Angelo Buninin operates a gondola in Venice, Italy. When angelo rows his gandola in the grand canal, he can travel 2.8 miles when rowing with current in the same amount of time as he can travel 2 miles when rowing against the current. Find the speed of the

    asked by fetty
  58. Math

    Find the volume of the cylinder. Use 3.14 for Pi Diameter is 34m Height 27m

    asked by Embershy
  59. english

    I need help in writing a detailed paragraph contrasting these two stories "Gumption" and "To build a fire" and how their structures influence meaning.

    asked by student
  60. FUNCTIONS HELPPPPP????

    Please I need help with this algebra problem With the 3 equations f1(x)=0 f2(x)=1/8(x+16)^2-98 f3(x)=2x+24 Determine an equation for this function with the 3 pieces above.(Refer to creating the polynomial functions) I do not know how does everyone get this

    asked by Tim
  61. physics

    A girl uses a spanner of length 20cm to tighten a nut. If she pulls at right angles to the end of the spanner with a force of 50N,calculate the moment of her pull

    asked by atiyya
  62. math algebra

    if f(x) = x+1/x^2-9 and g(x) =x/x-3, find a) domain of f(x) b) domain of g (x) c) (f+g) (x) d) the domain of (f+g) (x)

    asked by laura
  63. physics

    A uniform plank AB which is 75m long and has a weight of 350N and is supported horizontally by two vertical ropes A and B. A weight of 100N rest on the plank at C where AC=4m. Find the tension in each rope A and B

    asked by atiyya
  64. physics

    One day while moving boxes you get tired and decide to use a rocket instead. You attach a small rocket of negligible mass to a 6.45 kg box. When you turn the rocket on, it provides a constant thrust of 212 N, and the sbox begins sliding across the

    asked by Fb
  65. staistics

    7) A final exam in Statistics has a mean of 73 with a standard deviation of 7.73. Assume that a random sample of 24 students is selected and the mean test score of the sample is computed. What percentage of sample means are less than 70?

    asked by Eli
  66. Maths

    What is the angle between the hour hand and minute hand of a clock at 2:37 p.m?

    asked by Math help
  67. math

    A) How many of the three digit numbers can be made from all of the digits, 1,3 and 7, and used only one each,are prime? B) What about 2,3 and 4? Once I get to know what the answer to the first one is, I'll figure out the second one myself.And then if I

    asked by Kajol
  68. math

    a children play area is 90 m long and 44 m wide a fence will enclose it how much fencing will it need

    asked by aliyah
  69. Math

    Numbers subtract two times a number from half of its Square give a result of 16

    asked by Dal
  70. Math help pls. !!

    Solve for X: (2x-3)(5x+2)=0

    asked by Dal
  71. algebra

    Write an equation in point-slope form for the line through the given point with the given slope. (-3,-5);m=-2/5 A.y+5=-2/5(x+3) B.y+5=(-2/5)x-3 C.y-5=-2/5(x+3) D.y-5=-2/5(x-3) my answer is a

    asked by Leslie
  72. science

    What causes the current to move through a battery?

    asked by shelby
  73. American Goverment

    With the existing colonies or dependencies of any European power we have not interfered and shall not interfere....Our policy in regard to Europe...Remains the same, which is, not to interfere in the internal concern of any of its powers. 1. Which American

    asked by Annoymous
  74. algebra

    Write an equation in point-slope form for the line through the given point with the given slope. (-3,-5);m=-2/5 A.y+5=-2/5(x+3) B.y+5=(-2/5)x-3 C.y-5=-2/5(x+3) D.y-5=-2/5(x-3) my answer is b

    asked by Leslie
  75. algebra

    write y=(-3/4)x+3 in standard form using integers. A. 3x+4y=12 B.3x+4y=-12 C. 3x-4y=12 D. -3x+4y=12 is a the answer

    asked by Leslie
  76. Math

    A sporting goods company can ship 6 footballs in each carton. How many cartons are needed to ship 75 footballs?

    asked by Eldry
  77. Algebra

    There are 11 shake flavors. Each shake has 2 scoops. A shake can have 2 scoops of different flavors or 2 scoops of the same flavor. A shake also has 1 scoop of added protein. The protein comes in 3 different flavors. So if a shake has 2 scoops flavor and 1

    asked by Jack Sousa
  78. Calculus

    Let F(x)=f(x^4) and G(x)=(f(x))^4. You also know that a^3=15, f(a)=2, f′(a)=4, f′(a^4)=12. Find F′(a) and G′(a). I don't even know where to begin.

    asked by Ana
  79. Calc

    Water flows from a storage tank at a rate of 500 − 3t liters per minute. Find the amount of water that flows out of the tank during the first 13 minutes.

    asked by Ian
  80. Algebra, 8th Grade mathematics

    I need help on this question. My aunt doesn't understand it so can you help me? 1+3+3^2+3^3+3^4+••••••+3^250=? The "^" is for Square, cube and ect. It also includes X= 3^?-1 Can you help me please?

    asked by Anonymous
  81. calc

    The velocity function, in feet per second, is given for a particle moving along a straight line. v(t) = t3 − 10t2 + 27t − 18, 1 ≤ t ≤ 7 Find the displacement Find the total distance that the particle travels over the given interval.

    asked by Ian
  82. Consumer Math

    On retirement Victor was offered the option of receiving monthly payment of $1674.08 or a lump-sum payment of $150667 a) What are the respective incomes per annum of each option if the lump sum can be invested at 11.5% p.a. b) At what interest rate must

    asked by Anonymous
  83. algebra

    Write an equation in point-slope form for the line through the given point with the given slope. (-3,-5);m=-2/5 A.y+5=-2/5(x+3) B.y+5=(-2/5)x-3 C.y-5=-2/5(x+3) D.y-5=-2/5(x-3) my answer is c

    asked by Leslie
  84. English

    1. Thank you very much and see you again. 2. Thank you so much and see you later. 3. Thank you for your guidance and see you next time. 4. Thank you for your explanation and take care. 5. Thank you for your kindness and so long. ---------------------------

    asked by rfvv
  85. Maths

    Three circles of unit radii touch each other externally. They are inscribed in triangle. What will the area after leaving the area of those circles.

    asked by Gajendra yadav
  86. English

    Posted by rfvv on Friday, November 4, 2016 at 11:17pm. Oh Lordy, how my heart grows weary, far from the old folks at home. --------------------------------- This is a sentence in the song "Swanee River. Q1: " What is the meaning of "Lordy" here? Is Lordy

    asked by rfvv
  87. English

    1. All up and down the whole creation, sadly I roam, still longing for the old plantation and for the old folks at home. 2. All up and down the whole creation, sadly I roam, and I still longing for the old plantation and for the old folks at home. 3. All

    asked by rfvv
  88. Probability Help

    Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy. 1, 4/5, 13/16, 1/32, 31/32 Can someone please explain? Thank you ​

    asked by Bobbie
  89. math

    Toffees are bought at 4 for a rupee and the same number at 6 for a rupee. Then, they are mixed and sold at 5 per rupee. What is the net profit or loss?

    asked by Anonymous
  90. Math

    a) A woman is twice as old as her daughter. Five years ago the sum of their age was 62. What are their present ages. b) A bottle is half full. After adding 275 mL to the bottle it is three quarters full. How much does the bottle hold when full?

    asked by Anonymous
  91. math

    How do you write the ratio of an original perimeter to the new perimeter? How do you write the ratio of an original area to the new area? Are the ratios the same?

    asked by t
  92. Math

    A candy manufacturer makes two types of special candy, say A and B. Candy A consists of equal parts of dark chocolate and caramel and Candy B consists of two parts of dark chocolate and one part of walnut. The company has in stock 430 kilograms of caramel,

    asked by She
  93. Math Help

    Assume that the probability of a boy being born is the same as the probability of a girl being born. Find the probability that a family with five children will have at least one boy.

    asked by Bobbie
  94. physics

    If your car goes from 0 mi/h to 70 mi/h in 8 s, what is your average acceleration? Answer in units of miles/(hours x seconds ).

    asked by Zoe
  95. MAT-144

    Using the monthly inflation rates finding the geometric mean for the past 60 months. How does the geometric mean compare to the inflation rate you found on Worksheet 2? Is this what you expected? Why or why not?

    asked by L. Brown
  96. Math

    2-6

    asked by Dal
  97. math

    How do you write the ratio of an original perimeter to the new perimeter? How do you write the ratio of an original area to the new area? Are the ratios the same?

    asked by t
  98. Math

    The monthly inflation rate for the geometric mean for the past 60 months? How does the geometric mean compare to the inflation rate?

    asked by Leilani
  99. accounting

    Budgeting is _______________________________. (Points : 1) A an exact science B going to involve the use of estimates C not going to ever produce a variance if properly prepared D never created using information from a previous period ANSWER B

    asked by madam
  100. accounting

    Standards are ______________________________. (Points : 1) A the predetermined expectations about the inputs required to achieve anticipated output. B the result of engineers and accountants trying to reach a targeted net income figure on the budget C

    asked by madam
  101. ACCOUNTING

    Production Standards should be set ______________________. (Points : 1) A by the managerial accountant B by an engineer C by the production department manager D by some combination of the above individuals and possibly others not named here ANSWER D

    asked by madam
  102. ACCOUNTING

    If the actual factory overhead applied is more than the actual factory overhead incurred _________. (Points : 1) A a favorable variance is produced B an unfavorable variance is produced C no variance is produced D there is no way to calculate which way the

    asked by madam
  103. A

    When actual cost is more than planned __________________. (Points : 1) A a favorable variance is produced B an unfavorable variance is produced C no variance is produced D there is no way to calculate which way the variance will fall without more

    asked by madam
  104. ACCOUNTING

    Budgets are ___________________________. (Points : 1) A a tool for management to use to penalize managers with poor performance B detailed financial plans that quantify future expectations and actions C busy work assigned to keep department managers from

    asked by madam