ali

Newest questions posted by ali
  1. Social studies

    What is the difference between a direct and a representative democracy(or indirect)
  2. Science

    why some people can keep fit by just walking yet others need lots of running around
  3. Science

    why some people can keep fit by just walking yet others ne lots of running around
  4. US History

    For this portfolio project, you will conduct research and examine documents that show the thoughts of both immigrants and people who opposed immigration. You will use the research and primary documents to write an essay in which you answer the question:
  5. Fact file

    give one place where vascular bundles are close together
  6. Fact file

    give one place where vascular bundles are spread out
  7. Scince

    suggest and explain what happens to the movement of sugar in winter when a tree has no leaves
  8. English

    I read a story and now it asking me to identify the theme. I don’t know how to identify a theme. Can you give me some tips and make me understand what that means. How am I suppose to find those clues in a story that tell me this is a theme or some clues.
  9. Math

    Subtraction with renaming Am very confused. Am trying to teach my little brother but am getting everything wrong. I have the right answer but the work does not add up to that. 6 - 3 2/5 I got 3 2/5 but the answer is 2 3/5 I don’t understand can you
  10. Math

    The question asked whether or not f(x) = 0.5e^x when x is less than or equal to zero and f(x) = 0.5e^(-x) when x is greater than or equal to zero is a valid probability density. I know that it is the integral... but usually you have a domain that is not a
  11. science

    what grow throughout their life but what grow only upto certain age
  12. Math

    Sandra needs 2 5/8 yards of rope she needs for her class project. She has 5 pieces of rope that are each 3/8 yards long. Does Sandra have enough rope. If not explain why. My son wrote no she doesn’t she needs 18 more yards of rope. Can you explain this
  13. Physics

    A 0.50 kg mass is attached to a spring with spring constant, k= 43.8N/m. Suppose the mass is pushed upward, so that it rises past the spring’s unstretched position, compressing the spring. Calculate the net force on the mass when the spring is compressed
  14. Physics

    a canon fires shell at 300m/s. at what angle must it aim to hit a target 5.0km away?
  15. Reading

    Solar Eclipse Watch Event Downtown Metro Airport, August 21, 9 a.m. Sponsored by the State Astronomical Society On August 21, our area will experience a total solar eclipse at 1:08 p.m. The Downtown Metro Airport will redirect all flights to the State
  16. Science

    A drop of oil of volume 10^10m spread out on water to make a circular film of radius 10^1m. What is the thickness of the film
  17. Geometry

    When constructing inscribed polygons and parallel lines, how are the steps different? A. A protractor is used to take measurements B. Four right angles are created. C. A compass is used to copy an angle. D. There are no similarities. I think it's C? What
  18. Math

    1) for any three consecutive numbers, what can you say about odd numbers and even numbers? Explain. 2 A)Mirari conjectures that, for any three consecutive numbers, one number would be divisible by 3. Do you think Mirari is correct? Explain. 2 B) Gia claims
  19. Science

    1. What is the response of cells in the collecting tubules in the nephrons when antidiuretic hormone AHD is secreted? a. The tubules become impermeable to water b. Serum potassium retention increases c. Large quantities of dilute urine are formed d. Water
  20. math

    1. One of the dice is rolled once. What is the probability, expresses in a percent, of getting an even number? a. 33% b. 50% c. 20% d. 75% 2. One of the dice is rolled once. What is the probability, expressed as a percent, of getting the number 5?
  21. Math

    1. Sally was able to eat 5/8 of her lunch. John ate 75% of his lunch. Who are more of their lunch? a. John b. Sally c. They both ate the same number amount d. The amount cannot be calculated
  22. Grammar

    Select the word or phrase that makes the sentence grammatically correct. 1. A tuberculin skin test should be read within 24 hrs. ____ administration. a. Of b. Since c. As d. From 2. The student ______ for the final exam. a. Didn’t studied b. Was studying
  23. History

    What is the least important reason for the 7 years war and why?
  24. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  25. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  26. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  27. Math

    Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.
  28. Math

    find the largest number of four digits which is exactly divisible by 18 25 and 35
  29. civic education

    youth empowerment skills
  30. Geometry

    If ABCD = QRST, m∠A = x-10 and m∠Q = 2x-30, what is the m∠A
  31. phy

    a landscape architect is planning an artificial waterfall in a city park. water flowing at 1.70 m/s will leave the end of a horizontal channel at the top of a vertical wall h =2.35 m high . and from there it will fall into a pool ( Fig . P4.18) (a) will
  32. math

    The difference of two number is 33. the larger number is one more tHan three time the smaller number .find the number.
  33. physics

    a block of mass 0.1kg is attached to spring and placed on a horizontal frictionless table .the spring is stretched 20cm when a force of 5n is applied.calculate the spring constant
  34. Maths

    64 men can complete a work in 15 days.to complete the same work in 12 days how many more men are required
  35. chemistry

    Calculate the amount of silver deposited at cathod when 5 ampere of current is passed for 50 minutes through a solution of AgNO3
  36. Math

    The Mall: My sister likes to go shopping. Yesterday she borrowed a wad of money from Mom and went to the mall. She began her excursion by spending $18 on a new CD. Then she spent half her remaining money on a new dress. Then she spent $11 on lunch. Then
  37. Math

    The value of the expression (6x^3y)(8x^2y^4) for x = 2 and y= -1 is?
  38. ed tech HELP PLS

    why is it important to take responsibility for your online publications? a. What you post can hurt or slander others*** b. people will know who the author is c. your parents need to see what you post d. what you post is important for your grade
  39. english

    Two students their professor about the possibility of obtaining a different grade in class. has/had asked . asking . was asking which one is right to fill the blank??
  40. english

    which word is right?? I'm going forward to on vacation next months . go.going to go.be go.going
  41. health help mrs.sue pls

    alcohol is categorized as drug stimulant depressant carcinogen only 2
  42. health PLS HELP 35% OF GRADE

    alcohol is categorized as a drug a stimulant a depressant a carcinogen pick 2 only
  43. ELA

    What would be a good thesis statement for comparing and contrasting Pop and Christian music?
  44. examples of pop singers

    Who are some appropriate pop singers. I need it for a ELA paper due today.
  45. ELA

    Which of the following shows a transition? although however ( my answer ) just as whereas
  46. math

    find a commission on a $1,250 sale with a commission rate of 5%. $62.50 $6.25 $75.00 $125.00 HELP PLSSS
  47. chem

    ethanol melts at -114c the enthalpy of fusion 5.02 kj/mol the specific heats of solid and liquid ethanol are 0.97 and 2.3 respectively . how much heat is needed to convert 25 g of solid etanol ay -135c to liquid ethanol at -50c?
  48. HISTORY

    Why was the early West considered a "crossroads of culture"? A: Mexico originally owned the land, so the cultures of Americans, Mexicans, and Native Americans were all present in the West. B: The California Gold Rush brought in people from all over the
  49. Science

    Two drivers start at the same time to make a 100- km trip. Driver 1 takes 2 hrs to complete the trip. Driver 2 Thames 3 hrs, but stops for an hour at the halfway point. Which driver had a greater average speed for the whole trip? Explain
  50. Social Studies

    which river flowing through Ukraine serves as an important route to the black sea?
  51. Physics

    A ball is allowed to fall freely from certain heightn. What distance it covers in 1st second?
  52. Math

    Beth is waiting for her friends plane to land. the plane will land at time T uniformly distributed in 70 minuetes. Determine the probability that the Plane will land in 30 minutes?
  53. engineering

    b) The crank OA of a mechanism, as shown in the figure, rotates clockwise at 120 r.p.m. The lengths of various links are OA = 100 mm ; AB = 500 m ; AC = 100 mm and CD = 750 mm. Find by instantaneous centre method: 1. Velocity of point C. 2. Velocity of
  54. math

    Find a polynomial, which, when added to the polynomial 5x2–3x–9, is equivalent to: 0
  55. math

    a man was trying to swim to a buoy placed at a distance of 200m out in the sea. it took him 1 min to swim 20m. then a wave pushed him back 10m and he rested for about 1min before swimming again. he continued in his way for the rest of their journey. how
  56. math

    the length of a rectangle is 2 less than 3 times the width. the perimeter is 20 cm. find the length, width, and area of the rectangle. i got stuck after L=3W-2 but i'm not sure what to do after.
  57. 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
  58. Physics

    A 40 kg child start from rest and travels 4 m down a slide that is inclined 35 degree to the horizontal. If her speed at the bottom is 2.5 m/s , what was the frictional force along the slide?
  59. math

    John and Bryan share Rs 1500.If John gets twice as much as Bryan,how much money does Bryan have?
  60. Material mechanics

    following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length Load (kN) Elongation(mm) 5 0.005 10 0.015 30 o.048 50 0.084 60 0.102 64.5 0.109 67 0.119 68 0.137 69 0.160 70 0.229 72 0.300 76 0.424 84
  61. Material mechanics

    A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as illustrated below (a) Calculate the required diameter of the pins, given that the plate is 8.0 mm thick, the maximum tensile
  62. math

    Write each equation in slope-intercept form. Underline the slope and circle the y-intercept in each equation. 4y=–6+4x all i got is that the y int. is -3/2 and that is correct
  63. math

    Give the equation of a line that is parallel to y=3 through the point (4,4).
  64. Math

    Prove that angle a is equal to angle E if angle D is equal to angle c Science I can't put the picture of the triangle I will try and explain it Two triangles that connect on one angle >< like this but a triangle and the angle in the middle ^ ( the angle
  65. Algebra

    I'm thinking of a number. When I multiply it by 6 and subtract 30, the answer is 78 What is Noah's number?
  66. Chemistry

    Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I a) at what concentration of Ag will AgI precipitating? at what concentration of Ag will AgCl precipitating? at what concentration of Ag will AgBr precipitating? b) calculate the percent % of I
  67. Chemistry

    Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I a) at what concentration of Ag will AgI precipitating? at what concentration of Ag will AgCl precipitating? at what concentration of Ag will AgBr precipitating? b) calculate the percent % of I
  68. physics

    On a roller coaster, a student experiences an apparent weight of 1250 N while accelerating at 2.3 m/s^2 [U]. What is the students mass?
  69. Math

    Mr. Kole has 30 students in his class he has twice as many girls as boys what is the ratio of boys to the class
  70. nts

    how to pass nts
  71. Homework 2

    Harmony are agreeable features of classical music. are not supposed to use in here because harmony is singular. right or wrong??
  72. Homework

    He had already finished studying at an university when he was called to join the army. had/already/an/was called/when/ I think already is wrong here?? tnxxx
  73. elm and sanat

    “You can’t tell a book by it’s cover” is an old adage. I guess the cover is wrong. am I right?
  74. reading

    The National Aeronautics and Space Administration (NASA) has just released some startling information. The Earth's temperature reached its highest point in 136 years of record-keeping during July. "July 2016 was absolutely the hottest month since the
  75. Math

    An electronic firm finds that 3/64 of the resistors it makes are defective. What percentage is this?
  76. chemistry

    which of following show cistrans isomerism?
  77. chemistry

    how many moles of fe are present in 30g of rust?
  78. Finance math

    A bank pays 10% compounded annually on its three-year fixed deposit account. At the end of the three years, a 3% bonus on the final amount will be paid. find the effective interest rate that will be earned on this scheme
  79. math

    Mr. Ali purchases a government bond for five years which gives simple interest 12% p.a. At the time of maturity he gets back 160000 AED. What amount he has invested?
  80. Stats

    Suppose a Normal model describes the fuel efficiency of cars currently registered in your state. The mean is 27 mpg, with a standard deviation of 4 mpg. Describe the mileage of the most efficient 3% of all cars. a. greater than 24.9 mpg b. greater than
  81. physics

    An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the ground. Find the angle between the vertical and the line joining the aircraft and the target immediately the bomb is released.
  82. physics

    An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the ground. Find the angle between the vertical and the line joining the aircraft and the target immediately the bomb is released.
  83. Math

    8a+2a
  84. Science

    When 25.0 ml of a solution containing both Fe2+and Fe3 +ions is titrated with 23.0 ml of 0.0200M KMnO4(in dilute sulphuric acid), all the Fe2+ are oxidised to Fe3+ ions. Next, the solution is treated with Zinc metal to convert all the Fe3+ ions to Fe2+
  85. Physics

    At what displacement the instantaneous velocity become equal to half of its maximum velocity? Plz help me
  86. chemistry

    Why reversible reaction never complete
  87. Math

    "Carlos started at sea level, climbed a cliff to a height of 14 m, then dived 19 m. Find the level at which his dive ended."
  88. financial mathematics

    bernard burrows rm8889 at 15%per annum simple interest. he agrees to settle the loan by paying x ringgit, 2x ringgit and 3x ringgit in two months, five months and nine months respectively.find the value of x using the present as the focal date
  89. Physics

    Find the longest wavelength by resonating air in 20 cm tube which is opened both ends
  90. Science

    The moon is about 384000 km the earth and its paths around earth is circular. The moon taken 24hr to complete one orbit. The speed at which the moon orbits the earth in km/ hour is
  91. chemistry

    the solubility of Mg(OH)2 at 25C is4.6x10^-3 g/100cm3? what is the solubility product of M g(OH)2?
  92. Math

    Find the volume of revolution when the region enclosed by the functions f(x)= e^x , g(x)=e^-x ,and the two lines is revolved about the x-axis Solution V=intergrate e^2x-e^-2x dx From -1to1 1/2e^+e^-2x when you sub and cal. =0 why please help me
  93. Math

    The intensity of light passing through a lens can be found using the formula I=Io - Io / csc^2 theta, where Io is the intensity of the light coming in, I is the intensity of the light that emerges or goes out of the lens, and theta is the angle between. a)
  94. Math

    Carter left town A at 8 a.m driving toward town B at an average speed of 60 mph. At 8:30 a.m, Mihn headed from town B to town A along the same road. At 11 a.m, they met each other along the way and Carter realized that he had completed 80% of his journey.
  95. math

    sally put red ,white,and blue handkerchiefs in a drawer. One-third of the hand kerchiefs were red ,one -fourth of the hamdkerchiefs were white and ten were blue. how many handkerchiefs of each color were there?
  96. Social Studies

    The Belief that the United States was set apart to extend its boundaries to the pacific was called A) America's Destiny B) Redezvous C) Manifest Destiny***** D) Joint Occupation Is C correct?
  97. simple interest

    A total of $12,000 is invested into two simple interest accounts. On one account the annual simple interest rate is 12%, while on the second account the annual interest rate is 18%. How much should be invested at 12% so that the interest earned is the
  98. simple interest

    A total of $8000 is deposited into two simple interest accounts. On one account, the annual interest rate is 10%, while on the second account the annual simple interest rate is 12%. How much should be invested in the 10% account so that the total annual
  99. finance

    Q.1.Differentiate future value from present value and explain how compound interest differs from simple interest. Q.2. John expects to need $50,000 as a down payment on a house in six years. How much does she need to invest today in an account paying 7.25
  100. economic

    Erehwon is a country where the only products produced were A & B, over 3 years, 2013. 2014 & 2015. What was the Nominal GDP for 2013, 2014, & 2015? Using 2013 as your base year, what was the real GDP in 2014, & 2015? What was the GDP deflator for 2014?

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