Mona

Newest questions posted by Mona
  1. French

    It is customary to greet someone on the street with "allo." Is this true or false? Please help! Connections Academy
  2. Physics

    A boy 12.0 m above the ground in a tree throws a ball for his dog, who is standing right below the tree and starts running the instant the ball is thrown. If the boy throws the ball horizontally at 8.50 m/s, (a) how fast must the dog run to catch the ball
  3. math

    A car that weighs 15,000 N is initially moving at 60 km/hr when the brakes are applied. The car is brought to a stop in 30 m. Assuming the force applied by the brakes is constant, determine the magnitude of the braking force
  4. Math

    Ethan's quiz average in spelling for the past 7 quizzes is 93. How many total points does he have for the 7 quizzes?
  5. Physics

    a transverse wave on a string has a period of 0.1 s and an amplitude of 1 cm. What is the maximum transverse acceleration at any point along the string?
  6. Advanced physics

    A child on a swing is traveling at 2 m/s as she passes through the lowest part of swing’s arc. What is the period of the motion?
  7. Physics

    A child on a swing is traveling at 2 m/s as she passes through the lowest part of swing’s arc. What is the period of the motion?
  8. Calculus

    I don't understand how to get q for this problem? The next steps for the problem, you just need to plug q in, but I'm not sure what to do? Do you set revenues equal to expenses? Problem: Revenue is given by R(q) = 750q and cost is given by C(q) = 6000 +
  9. aps rk puram .math

    Q=if a three 3 digit units digit tense digit hundreds digit are in the ratio 1:2:3.if the difference of original number and the number obtained by reversing the digit is 594.find the no.
  10. chem

    Consider the reaction: CO(g)+Cl2(g)⇌COCl2(g) Keq= 2.9×1010 at 25 ∘C A 5.89 −L flask containing an equilibrium reaction mixture has [CO]= 1.9×10−6 M and [Cl2]= 9.3×10−7 M . How much COCl2 in grams is in the equilibrium mixture?
  11. Math

    The right triangle has an angle of 53 degrees. The opposite side is 6.4cm long. What is the adjacent ?
  12. Math

    Carla will make two twnts. She needs 9 1/2m plus two thirds of 9 1/2m for both. What is the number sentence for this question?
  13. Statistics

    A 10 question test is all multiple choice. Each question has four choices. Determine the mean number of questions answered correctly as well as the standard deviation for the number of correct answers if someone were to guess on all ten questions. So far,
  14. math

    Jay is going to cover his kitchen floor with tiles that are each 1 square foot. The floor is shape in a rectangle that is 4 feet wide and 9 feet long. How many tiles are needed to cover the floor.
  15. maths

    if the denominator of fraction is 6 more thanthe numerator if the numretor is increased by 1 and denominator is decreased by 2 new fraction becums 3/4 find the fraction
  16. English

    What's the conflict in the poem of A voice by pat mora?
  17. Physics 30

    A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the
  18. Physics 30

    A system containing a frictionless pulley is described in the diagram on the right (the 2.0 kg box is on the floor while the 3.0 kg box is 0.5m high) . If this system is released, what will be the momentum of: A. the 2.0 kg box when the 3.0 kg box hits the
  19. Physics 30

    A frictionless pulley (a 2.0 kg is on the floor while the 3.0 kg is 0.5m high) . when released, momentum of the 2kg is?
  20. chem

    what is the balanced equation for aqueous zinc chloride and aqueous sodium chromate? Is it, ZnCl2+NaCrO4-->ZnCrO4+NaCl2 and how do I know if it is reactive or not?
  21. buisness

    in 2009 Nokia decided to move from Germany ro Romania and then to china . in this question we need to decide whether it's ethical or not.or if it's just a business decision . i have been reading and and saw articales that support my opinion . i believe it
  22. Maths

    a box contains 3 black balls , 7 white balls and 5 red balls . one ball is lost . the probability that a red ball is drawn is 2/7 . The colour of the lost ball is
  23. Calculus

    Simplify: (5x^3 + x^2 - x)/ (3x)
  24. Calculus

    log (base 3) x^2 = 2log(base 3)4-4log(base 3)5 And I need to solve for x.
  25. math

    the ratio of gasoline to oil need is 16:1 if you have 3.5 ml of oil how many ml of gasoline must you add to get the proper mixture find answer
  26. chemistry

    Referring to the following reaction: Pb(NO3)2 (aq) + Na2SO4 (aq) -->PbSO4 (s) + 2NaNO3 (aq) A solution of 0.114 M Pb(NO3)2 with a volume 10.6 mL is added to 12.4 mL of a solution of 0.105 M Na2SO4. Calculate the number of grams of PbSO4 that will form. I
  27. fine art

    How are the elements of art used in the artwork titled "winged genie fertilizing a date tree?"
  28. Geometry

    Points F, E, and D are on the sides line AB, line AC, and line BC, respectively, of right triangle ABC such that AFDE is a square. If AB = 12 and AC = 8, then what is AF?
  29. Geometry

    In the triangle, angles ABC and ADE are right angles. If AC = 35, AE = 11, and BE = 10, then what is AD?
  30. Science

    A dicot seed is preferred over a monocot seed to observe seed structure because? a.Distinct embryonic axis or b.Proper sepration of cotyldeons
  31. mrr high school

    Find the power of human heart ,which beats72 times per minute , if it does 1.5J of work every beat.
  32. chemistry

    Which term has the same numerical value for the forward reaction as it has for the reverse reaction, but with opposite sign? a. ^E ( delta E) b. Ea1 c. Ea’ d. Ea2
  33. moral science

    UNSCRABLE THESE WORD..ineisfsirdne; htotvulfhgrsen
  34. quantitative maths

    in a race A beats B by 100m. the ratio of their speeds is 5:4 . what is the length of the racecourse?
  35. Maths

    Two poles 13m and 18m high stand upright on a playground if their feet are 12m apart find the distance between their tops
  36. algebra

    2x + 1 =7
  37. math

    Evaluate. 8 • [5 + (18 – 7)] ÷ 4
  38. TIme zones

    1. If its 12 noon in Greenwich time, what time is it in Moscow, Denver? I said 3 PM. 2. If its 2:30 PM in Abidjan, what time is it in the zone labeled +7? I put 9 PM In the zone labeled -4? I put 10 AM
  39. History

    How did imperialism in Africa and Asia, and the value of the U.S. exports in 1870-1920 increasing support a policy of the Open Door?
  40. Is this right?

    Between 1857 and 1903, the United States acquired many new territorial possessions around the globe. Why do you think so many of these new possessions were islands located in the Pacific Ocean? So that they could stop their ships there and refuel them.
  41. science

    A uniform disk with radius 0.320m and mass 28.0kg rotates in a horizontal plane on a frictionless vertical axle that passes through the center of the disk. The angle through which the disk has turned varies with time according to è(t)= (1.20rad/s)t +
  42. physics

    A body is projected vertically upwards with a speed of 40 m/s.Find the distance travelled by body in last second of upward journey?(g=9.8m/s2 neglect effect of air resistance)
  43. Chemistry 104

    The voltage generated by the zinc concentration cell described by, Zn(s)|Zn2 (aq, 0.100 M)||Zn2 (aq, ? M)|Zn(s) is 11.0 mV at 25 °C. Calculate the concentration of the Zn2 (aq) ion at the cathode.
  44. Chemistry 104

    A current of 3.40 A is passed through a Ni(NO3)2 solution for 1.80 hours. How much nickel is plated out of the solution?
  45. Algebra

    x -1 -1 -2 -2 y 0 -1 2 3Part A: Does the table represent a relation that is a function? Justify your answer by using the values shown in the table. (4 points) Part B: The function f(h) shown below represents the number of tennis matches Diana won each
  46. statistics

    A neuropsychologist is interested only in studying the most deviant portion of this population, that is, those individuals who fall within the top 10% and the bottom 10% of the distribution. She must determine the ages that mark these boundaries. What are
  47. chemistry

    Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!
  48. chemistry

    Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Please help!!!!!
  49. chemistry

    Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.Plaese help!!!!!
  50. chemistry

    Draw the compound that would produce 4-ethyl-3-hexanol in the presence of a nickel catalyst and hydrogen.
  51. chemistry

    If the thyroid test requires 3.2mCi in an "atomic cocktail," how many milliliters are used to prepare the iodine-131 solution?
  52. chemistry

    How would you prepare 2.25L of a 3.00M solution from a 15.0M stock solution?
  53. chemistry

    Each of the following is placed in a dialyzing bag and the bag is then immersed in distilled water. Which substances will be found outside the bag? Check all that apply. NaCl solution albumin solution starch solution
  54. chemistry

    Consider a mixture of , albumin solution, and starch solutions in a dialyzing bag. The dialyzing bag is then immersed in distilled water. Which of the following actions should be taken to remove the most salt from the mixture? Leave the dialyzing bag in
  55. Geometry-8th gr

    The Circumference of a circle is equal to the area of the circle. Find the radius. Thanks.
  56. Geometry-8th gr

    Find KN and LM. In triangle LKM, angle L is bisected. Line segment LK is 11, line segment KN is x-4, line segment NM is 5.4, and line segment LM is 2x + 1.3 (there is a drawing of this triangle) Thanks.
  57. Geometry-8th gr

    The perimeter of triangle ABC is 120. LIne segment BD bisects
  58. Geometry -8th gr

    Given: triangle ABC ~ triangle PQR, m
  59. Geometry-8th gr

    Can you please help me solve this question? Express the ratio x^2 + 4x -12/ x^2 - 4 in simplest form. Thanks.
  60. Geometry-8th gr

    Can you please help me with this question? 1.) Given: triangle ABC ~ triangle XYZ, m
  61. Geometry-8th gr

    The geometric mean x of two numbers is the positive value of x that satisfies the proportion a/x =x/b, where a and b are given. Find the geometric mean of 16 and 9.
  62. Geometry-8th gr

    IF 3a =2b and 4b=9c, find the ratio of a to c in simplest form and show steps.
  63. Economics

    Suppose the bottle water industry is competitive. If a bottle of water supplied by the typical firm has an ATC of 20 cents and the market price if 30 cents, is the bottle water industry in long run equilibrium?
  64. math

    Mary and Peter had a total of Rs 480.After Peter spent Rs 20, he had 3 times as much as Mary.How much did Mary have?
  65. geometry

    Lp=2x om=4x+30 and pm=50
  66. Programming in Python

    A customer in a store is purchasing five items. Design a program in python that asks for the price of each item, and then displays the subtotal of the sale, the amount of the sales tax , and the total. Assume the sales tax is 6 percent.
  67. physics

    An RV travels 45 km east and stays the night at a KOA. The next day it travels for 3 hours to the north, traveling 110 km. What is the displacement over the two days for the RV? Please help, thank you!
  68. physics

    1. If m1= 3kg and m2= 2kg then find acceleration and tension action on the system. 2. A batsman deflects a ball by an angle 45 degree without changing its initial speed which is equal to 54km/hr.What is the impulse imparted to the bal.(mass of the ball is
  69. science (physics)

    A chairlift carries skiers to the top of a ski hill. If the chairlift does 180 kJ of work in 15s, what is the power of the chairlift?
  70. science

    During the shot put competition at a track and field meet, a shot putter transfers 245J of energy to a 7200g steel ball he is throwing. What is the velocity of the ball?
  71. science

    Draw a free body diagram to show the relationship of forces on a 200 kg boulder resting on a 15degree incline. Include the magnitude of the force applied by an aadvark as it holds the boulder in place.
  72. Math

    Determine a relationship between the x- and y- values in the equation {(0,1), (1,0), (2, -1), (3, -2)}. Write an equation......y=?
  73. physics

    A roller coaster reaches the top of the steepest hill with a speed of 3.0 . It then descends the hill, which is at an average angle of 36 and is 50.0 long. Estimate its speed when it reaches the bottom. Assume friction coefficint Mk=0.18.
  74. social studies

    If you had to move to a Northern European country, how would you decide which country you would move to?
  75. social studies

    How is the physical geography of northern Europe connected to the economies of northern Europe?
  76. confidentiallity in allied health

    when should the computer bureau destroys or erases records,should the erasure be verified by the bureau to the physician?
  77. Algebra

    solve the amount of money (in cents) of x quarters and (x+6) dimes the value of a quarter is 25 cents and a value of a dime is 10 cents
  78. ALGEBRA- MATH

    Avery paid $168 for a cell phone. What was the original price of the phone if he got it at a 30% discount?
  79. math

    one freezercan hold 100 frozen yougurt bars .how many frozen yougurt bars are in.10 freezers?60 freezers?3 freezers?100 frteezers?
  80. disease

    what is the relation between high Blood glucose level (not Diabetes) and Urinary tract infection.
  81. Math

    The perimeter of a rectangle is 46m. If the width were doubled and the length were increased by 12m, the perimeter would be 82m. What are the length and width of the rectangle?
  82. english macbeth

    i really nedd to know what i'm suppose to write in macbeth's theme superstition? i know that it's about the witches and their prophecies and apparitions and about banquo's ghost but what should i emphasize on??
  83. epidemiology

    A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is
  84. epidemiology

    A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new test are 60% and 70%, respectively. Four hundred (400) people are screened at a clinic during the first year the new test is
  85. statistics

    Suppose a random sample of 36 is selected from a population with a standard deviation of 12. If the sample mean is 98, the 99% confidence interval to estimate the population mean is
  86. English

    Please help me to jumble this word: UIDNVSEH and it should b a loving word.
  87. Math

    if x = 10 what is 3x² - x + 14 ?
  88. math

    Two of these statements are false. Identify them. 1.4x12>3x15 2.96/231+13 Answers: 1. 48>45 2. 4844 48
  89. Math

    Two of these statements are false. Identify them. 1.4x12>3x15 2.96/231+13
  90. chemistry

    How many grams of sodium chloride are needed to prepare 250 mL of a 2% solution?
  91. math

    Find the area of each circle and round to the nearest tenth. radius= 3 and two thirds
  92. math

    Find the distance around and the area of each figure. Round to the nearest tenth. quarter circle: 5 inches
  93. math

    Area of a trampoline is 201.1 square feet. The safety padding around the jumping surface is 1 foot wide. What is the area of the jumping surface?
  94. englis 3

    my garden is full of water, because of yesterday"s rain.
  95. number patterns

    mrs brander has 30 tomato plants .she wants to plant the same number of plants in each row of her garden.explain how she could decide the number of rows to plant
  96. number patterns

    joshua is raising fruit flies for a science project.at the begining of the first day,he had 4 fruit flies,his fruit flies double in number each day.how many fruit flies does he have at the end of three days
  97. math

    Eight-twentieths of a ton is how many hundredths of a ton?
  98. math

    three-fourhs of a gallon is how many eighths of a gallon?
  99. math

    one thousand three hundred twenty feet are what part of a mile. Since there are 5,280 feet in a mile the answer will be 1/4 of a mile. how would you set this up in a fraction?
  100. 5th grade maths

    Choose a reasonable metric unit to complete each sentence and how did you do it. 1. 1 mile is about 1.6---- 2. 1 yard is about 1------ Thanks

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