mimi

Most popular questions and responses by mimi
  1. Physics

    a wave function expressing displacement (y) as a function of its (x) and time (t) is given as y = P log (Qx + Rt) Which of the following expressions has dimensions different from one another? (1) yR (2) PR (3) R/Q (4) QR

    asked on June 29, 2018
  2. Social Studies

    4. Favoring the idea of national regulation of trade between states would be an example of which political party's stance listed in the chart? (1 point) the Federalist Party’s belief in a strong central government the Democratic Republican’s support

    asked on October 20, 2016
  3. Chemistry

    Two flasks A and B of equal capacity of volume contain SO3 and Co gas respectively under similar conditions of temperature and pressure. Then, which of the following statement is true? (1) A has twice the number of moles as that B. (2) B has twice the

    asked on June 29, 2018
  4. grade 3 math

    1) what is the greates perimeter of a rectangle with an area of 39 square feet? 2) What is the least perimeter of a rectangle with an area of 32 square feet? 3) A rectangle has an area of 42 square inches. Which has a greater perimeter, the rectangle with

    asked on April 29, 2014
  5. Chemistry

    Four one litre flasks are separately filled with the gases CO2, F2, NH3 and He at the same room temperature and pressure. The ratio of the total number of atoms of these gases present in the different flasks would be? (1) 1:1:1:1 (2) 1:2:2:3 (3) 3:2:4:1

    asked on June 29, 2018
  6. Physics

    the potential energy of a particle varies with velocity v as U equals to Av3/v + B where A and B are constant dimensional formula A/B is (1) ML-1T (2) M-1LT (3) L-1T-1 (4) MLT-1

    asked on June 29, 2018
  7. grade 3 math

    two rectangles have an area of 36 square inches. Name two possible perimeters for the rectangles.

    asked on April 29, 2014
  8. Math 3rd grade

    Lee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large rectangle. Can he do this? explain.

    asked on April 28, 2014
  9. LA

    which of the following sentences contains a pronoun in the nominative case? A. We packed bags for a trip to the beach. B. Our bags are decorated with beach balls. C. Hand him the bags and Mark will load the car. D. His car is packed full! Please Help God

    asked on February 26, 2018
  10. Physics

    the dimensional formula of m(dv /dt) is (1) MLT-1 (2) M-1LT-1 (3) ML2T-1 (4) [MLT-2]

    asked on June 29, 2018
  11. chem

    How many moles of chloroethylene contain 5.47X10^26 molecules

    asked on October 1, 2011
  12. Chemistry

    Which of the following given ratio of units of length gives the highest value? (1) 1pm/1fm (2) 1hm/1Gm (3) 1dm/1μm (4) 1Mm/1nm

    asked on June 29, 2018
  13. Chemistry

    Equivalent weight of H3PO4 for the given reaction, H3PO4 + Ca(OH)2 = CaHPO4 + 2H2O is?

    asked on June 20, 2018
  14. Chemistry

    Identify the equation for which Keq = [Cu+]2[S2-]. A) CuS(s) ⇌ Cu2+(aq) + S2- (aq) B) 1/2Cu2S(s) ⇌ Cu+(aq) + 1/2 S2- (aq) C) Cu2S(s) ⇌ 2Cu+(aq) + S2- (aq) D) Cu2S(s) ⇌ Cu+(aq) + 2 S2- (aq) E) none of the answers

    asked on December 10, 2016
  15. math

    Neil needs to cut 3 long boards into 9 smaller boards. The first is 10 ft, the second is 16 ft, and the third is 18 ft. The table lists the smaller boards Neil needs. Use a drawing to show how he can divide the 3 boards so there is no waste. Length of

    asked on April 14, 2015
  16. Algebra 2

    Write a recursive formula for the sequence 15, 26, 48, 92, 180, ... Then find the next term.

    asked on May 17, 2012
  17. Chemistry

    Which of the following is TRUE for a system that is in dynamic equilibrium? A) The forward reaction goes to 100% completion. B) The concentration of products is equal to the concentration of the reactants. C) The reaction rate of the forward reaction

    asked on December 10, 2016
  18. Chemistry

    For the reaction Ag2S(s) ⇌ 2 Ag+ (aq) + S2- (aq), what happens to the equilibrium position if ammonium sulfate is added? A) doubles B) shifts to the left C) does nothing D) shifts to the right E) halves

    asked on December 10, 2016
  19. algebra

    write an inequality that represent the fact that while make a product you cant exceed 5,000. answer: x < 5000

    asked on October 16, 2015
  20. physics grade 11

    1, Ebo through a ball into the air. its velocity at the start is 18m/s at an angle of 37° to the ground. a, Express the initial velicity in component vector form b, Work out the velocity of the ball as it lands. give answer in component vector form. c,

    asked on December 26, 2018
  21. the length of a rectangular plate is measured by a

    the length of a rectangular plate is measured by a metre scale and found to be 10.0 CM its width is measured by vernier calipers as 1.00 CM least count of the metre scale and Vernier calipers 0.1 cm and 0. 01 CM respectively maximum permissible error in

    asked on June 29, 2018
  22. Algebra 2

    Find the arithmetic mean a n-1=3.9, a n+1=7.1

    asked on May 17, 2012
  23. math- please help me

    Sheds R Us sells $600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = $ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = $ can anyone help me

    asked on April 2, 2015
  24. trig/precalc

    a plane flies 810 miles form Franklin to Centerville with a bearing of 75 degrees (clockwise from north). then it flies 648 miles from centerville to rosemont with a bearing of 32 degrees. find the straight-line distance and bearing from rosemont to

    asked on January 20, 2011
  25. Chemistry

    The total number of electrons in 1.6g of CH4 to that of 1.8g of H2O is?

    asked on June 25, 2018
  26. Math

    draw one diagonal in the shape for exercise 8

    asked on April 4, 2016
  27. physics

    Consider the system shown in the figure below with m1 = 30.0 kg, m2 = 13.7 kg, R = 0.110 m, and the mass of the pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.60 m above the floor when it is released from rest. The pulley axis is

    asked on May 14, 2011
  28. College Physics

    A uniform meter stick of mass M has an empty paint can of mass m hanging from one end. The meter stick and the can balance at a point 19.9 cm from the end of the stick where the can is attached. When the balanced stick-can system is suspended from a scale,

    asked on April 27, 2013
  29. algebra

    Shelly has $175 to shop for jeans and sweaters, Each pair of jeans costs $25, each sweater costs $20, and she buys 8 items. Determine the number of pairs of jeans and sweaters Shelly bought.

    asked on March 30, 2011
  30. Math

    what is the greatest perimeter of a rectangle with an area of 39 square feet

    asked on May 2, 2016
  31. Physics

    The voltage across a lamp is (6.0 +_ 0.1) V and the current flowing through it is (4.0 +_ 0.2) A. Find the power consumed with maximum permissible error in it?

    asked on June 22, 2018
  32. math

    Ken uses 6 apples and 2 bananas to make a fruit salad. He puts twice as many oranges as bananas in the salad. How many pieces of fruit will Ken use to make 2 fruit salads?

    asked on December 2, 2014
  33. trig

    Given that tan 45=1, use tan(x+y) to show that tan 22.5= /2 - 1. (/is square root sign

    asked on August 24, 2010
  34. Finances

    Sheds R Us sells $600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = $ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = $ can anyone help me

    asked on April 1, 2015
  35. Statistics

    Explaining confidence. A student reads that a 95% confidence interval for the mean ideal weight given by adult American women is 140 ± 1.4 pounds. Asked to explain the meaning of this interval, the student says, “95% of all adult American women would

    asked on December 1, 2013
  36. Calculas

    If a ball is thrown in the air with a velocity 44 ft/s, its height in feet t seconds later is given by y = 44t - 16t2. (a) Find the average velocity for the time period beginning when t = 2 and lasting 0.5 second. ft/s (b) Find the average velocity for the

    asked on April 3, 2009
  37. Math

    what are the horizontal and vertical intercepts :r=4-4cos(theta) please show work

    asked on April 6, 2019
  38. math- please help me - Ms. Sue

    Sheds R Us sells $600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = $ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = $ can anyone help me

    asked on April 2, 2015
  39. microeconomics

    For each of the following scenarios, decide whether you agree or disagree and explain your answer. a. If the elasticity of demand for cocaine is −.2 and the Drug Enforcement Administration succeeds in reducing supply substantially, causing the street

    asked on August 14, 2010
  40. Math

    complete the square X2-4x+y2+6y=0 Show work please

    asked on April 6, 2019
  41. Math

    A student earned scores of 85, 83, 90, 94, 88 and 84 on the first six tests in a biology class. What score is needed on the seventh test to produce an 86 average?

    asked on March 21, 2011
  42. french

    kindly make 7 sentences with the verb ".HABITER". THANKS.....IAM A 4TH GRADE STUDENT.

    asked on October 15, 2010
  43. Chemistry

    A student determined the H of neutralization of nitric acid (HN03) mixed with NaOH solution, using the procedure described in this experiment. Fifty milliliters of 1.00M HN03 was added to 50.5 mL of 1.00M NaOH solution, and the following time-temperature

    asked on May 1, 2013
  44. Chemistry

    What combination of volumes (ml) of C2H4 and O2 are required to obtain 400ml of CO2? All volumes are measured at STP. 1. 100,300 2. 200,600 3. 200,200 4. 300,300

    asked on June 29, 2018
  45. MATH

    THREE 2 INCH DIAMETER TENNIS BALLS SNUGLY FIT IN A CYLINDRICAL CAN. THE BALLS TOUCH THE SIDE, TOP AND BOTTON OF THE PLASTIC CAN. HOW MUCH AIR IS IN THE CAN? ROUND DECIMAL ANSWERS TO THE NEAREST TENTH OF A CUBIC INCH. SHOW OR EXPLAIN HOW YOU GOT YOUR

    asked on March 4, 2010
  46. Math accounting

    The following selected transactions were completed by Pilgrim Delivery Service during July: 1. Received cash from issuing capital stock, $115,000 2. received cash for providing delivery service, $58,000 3. Paid advertising expense, $2,000 4. Paid creditors

    asked on January 13, 2008
  47. physics

    A block M1 of mass 16.5 kg sits on top of a larger block M2 of mass 26.5 kg which sits on a flat surface. The kinetic friction coefficient between the upper and lower block is 0.425. The kinetic friction coefficient between the lower block and the flat

    asked on February 22, 2014
  48. Written Communication

    Discuss how you would approach creating a negative message for a superior (such as a manager at work or an instructor) versus creating a message for a colleague, subordinate, or fellow student. Answers from previous postings:

    asked on June 27, 2007
  49. Chemistry

    What volume of oxygen gas measured at 0°C and 1 atm is needed to burn completely 1L of propane gas measured under same conditions?

    asked on June 20, 2018
  50. English

    Please check this! The diction of "at the tourist centre in boston" can best be described as.. A. Emotionally charged B. Colloquial and relying on slang C. Informal and simple D. Mostly figurative I don't think it's C or D? My best guess is A.

    asked on September 8, 2016
  51. Math

    The edge of a cube was found to have a length of 50 cm with a possible error in measurement of 0.1 cm. Based on the measurement, you determine that the volume is 125,000 cm3. Use tangent line approximation to estimate the percentage error in volume.

    asked on December 29, 2014
  52. Calculus

    Match the rule with the title: ____ 3. d/dx [f(x)/g(x) ]=(g(x) f^' (x)-f(x) g^' (x))/[g(x)]^2 ____ 4. d/dx [f(g(x))]=f^' (g(x))∙g'(x) ____ 5. d/dx [f(x)∙g(x)]= f(x) g^' (x)+g(x) f^' (x) ____ 6.d/dx [x]=1 ____ 7. d/dx [f(x)+g(x)]= f^' (x)+g^' (x) or

    asked on November 6, 2014
  53. math

    AL`S CLOTHING STOREBOUGHT HANDKERCHIEFS 6 FOR $10 AND SOLD THEM 4 FOR$10. THEY MAKE $60 PROFIT. HOW MANY HANDKERCHIEFS DID THEY SELL?

    asked on February 26, 2010
  54. chemistry

    Calculatet the solubility of silver chloride in a 0.10 mol/L solution of sodium chloride at 25 degrees celsius.At SATP, Ksp AgCl(s) = 1.8 x 10^-10

    asked on March 30, 2008
  55. math

    There are 37 people attending the Ruiz family reunion, and they want to split the cost of the present for the grandparents. If the gift costs $464.72, how much should each person contribute?

    asked on January 11, 2017
  56. Math

    Neil needs to cut 3 long boards into 9 smaller boards. The first is 10 ft, the second is 16 ft, and third is 18 ft. The table lists the smaller boards Neil needs. Use a drawing to show how he can divide the 3 boards so there is no waste.

    asked on April 14, 2015
  57. math please help

    Determine whether it is possible to draw a triangle given each set of information. Sketch all possible triangles where appropriate. Calculate then label all side lengths to the nearest tenth of a centimetre and all angles to the nearest degree. A) b= 3.0

    asked on April 6, 2015
  58. chemistry

    Zinc reacts with hydrochloric acid according to the reaction equation Zn(s)+2HCL(aq)=>ZnCl2(aq)+H2(g). How many mm of 1.50M HCL(aq) are required to react with 9.05 g of ZN?

    asked on August 9, 2012
  59. physics

    Correct the following statement: The racing car rounds the turn at a constant velocity of 145 km/hr.

    asked on January 24, 2010
  60. physics

    1. A ball moving horizontally clears a net 2 meters high. What maximum speed can it have if it is to fall within 5 meters of the net? 2.A pulley system lifts a load of 800 Newtons, 20 centimeters while the rope pulling it moves 100 cm. a. How much force

    asked on October 18, 2011
  61. physics

    A dart gun is fired while being held horizontally at a height of 1.38m above ground level, and at rest relative to the ground. The dart from the fun travels a horizontal distance of 7.76. A child holds the same gun in a horizontal position while sliding

    asked on September 4, 2010
  62. physics

    A crowbar ,1.5m long is used to lift a 100kg rock out of a hole 25cm deep.If the crowbar pivots 50cm from one end ,what is the force that must be used to just lift the rock ?

    asked on September 13, 2018
  63. Social Studies

    Why were many Eastern European countries associated with the Soviet Union after the World War 2??

    asked on February 6, 2018
  64. Math

    Kurt cut into wedges measuring 40 degrees if each person eats one piece of pizza how many people could he feed with two whole pizzas

    asked on April 19, 2017
  65. Math-7th grade

    A scale drawing is a parallelogram with a base of 8 inches, a height of 3 inches, and a side length of 4 inches. What is the perimeter and area? Perimeter 3x4x8 = 96 inches Area 8x3 = 24 inches Can this be correct? Sounds too easy. If it is correct, what

    asked on March 28, 2016
  66. physics

    A small steel ball rolls off a table (1 meter high) with a speed of 2 m/s. Where should they place a can (15 cm high; diameter 10 cm) to catch the ball?

    asked on October 18, 2011
  67. Math

    Name the lengths of the sides of three rectangles with perimeters of 12 units. use only whole numbers

    asked on April 14, 2016
  68. math

    Suppose Maya made another sign with an area of 48 square inches. would this sign be larger or smaller than the sign with an area of 48 square centimeters? Explain how you know.

    asked on April 14, 2014
  69. Physics

    A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The tank originally contains 0.140 m3 of air at a pressure of 3.20 atm. The piston is slowly pulled out until the volume of the gas is increased to 0.440 m3. If

    asked on April 17, 2012
  70. physics

    what is cross product or vector product plz explain it in detail.....

    asked on April 18, 2011
  71. fizik

    b) A ball of mass 3.5 kg starts from rest and slides down a rough inclined plane 60 cm long in 0.6 s. i) Calculate the net force acting on the object along the inclined plane

    asked on April 11, 2011
  72. math

    the ratio of strings to woodwind instruments in a baroque orchestra is 5:3. if there are 24 instruments in total, how many stringed instruments are there in the orchestra?

    asked on April 7, 2010
  73. english

    are there any figurative language in the book Witch hunt the mysteries of salem?

    asked on March 2, 2013
  74. math

    the ratio of strings to woodwind instruments in a baroque orchestra is 5:3. if there are 24 instruments in total, how many stringed instruments are there in the orchestra?

    asked on April 7, 2010
  75. Homework Help Math

    Q. marx's clothing store is selling a lot of items. On Monday 495 items were sold. On Tuesday 450 items were sold. On Friday 593 items were sold. Marx's misplaced the totals for Wednesday and Thursday, but the average over the five days was 494 items per

    asked on March 14, 2017
  76. math

    There are 37 people attending the Ruiz family reunion, and they want to split the cost of the present for the grandparents. If the the gift costs $464.72, how much should each person contribute? do I just divide the two numbers?

    asked on January 11, 2017
  77. Math

    Determine whether it is possible to draw a triangle given each set of information. Sketch all possible triangles where appropriate. Calculate then label all side lengths to the nearest tenth of a centimetre and all angles to the nearest degree. A) b= 3.0

    asked on April 6, 2015
  78. statistics

    PROBLEM 4: PREFERENCE FOR CAN (a) What is the probability of preferring a glass bottle? b) What is the probability of preferring a glass bottle given that one lives in Region A? c) What is the probability of preferring a can given that one lives in Region

    asked on February 16, 2012
  79. physics - i need A.S.A.P

    An object of mass 1.5 kg is placed on a rough horizontal surface, as shown in Figure 1. Force F acts on the object. When the magnitude of F is 10 N, the object just begins to slide. Determine the coefficient of static friction between the object and the

    asked on May 2, 2011
  80. college physics part 2

    the activity of a sample of carbon has one-eighth of the initial activity. carbon-14 has a half-life of 5730 yr. how old is the sample in yr?

    asked on April 18, 2010
  81. Math

    Three hundred people apply for three jobs. 80 of the applicants are women If three persons are selected at random, what is the probability that one is a woman? (Round the answer to six decimal places.)(d) If three persons are selected at random, what is

    asked on September 21, 2015
  82. math

    If you know the order from least to greatest of 5 negative rational numbers, how can you use the information to order the absolute values of those numbers from least to greatest

    asked on September 17, 2014
  83. Early childhood

    Teachers usually ask more of this type of question even if it is NOT recommended: A. convergent. B. divergent. C. open-ended. D. recall.

    asked on August 25, 2013
  84. world history

    Give me suggestions on the Change over Time Essay, or Changes and Continuities Essay. I am more interested on the content and whether or not I covered the requirements. Below the essay is a rubric. Provide me tips on what to improve, expand, etc. Feel free

    asked on December 13, 2007
  85. Chemistry

    A sample of lithium sulfate, LiSO4, contains 6.78 x 10^23 formula units. a) How many moles of Li+ ions are there in the sample? b) How many moles of ions are there in the sample? My work: I think a) is 2.26 moles And b i am not sure

    asked on November 24, 2014
  86. math

    A man agrees to pay $450 per month for 48 months to pay off a car loan. If interest of is charged at 12% compounded monthly, how much did the car originally cost?

    asked on September 12, 2011
  87. Math

    Mutliply. (9t² - t- 7)(4t²+9t-1) AND Find the product. (5a+2)³

    asked on May 3, 2011
  88. geometry

    Circle O has a radius of 8 m and the measure of central angle AOB is 45 degrees. Which of the following could be used to calculate the length of arc AB?

    asked on June 1, 2010
  89. high school

    why is clean water important to life on earth

    asked on December 18, 2008
  90. Criminal Justice

    Death Penalty Legislation With which current issues does your state’s legislation deal? What legislative decisions have been made in the state since the year 2000? Is there any pending legislation? What is your opinion of the legislation you identified?

    asked on September 14, 2007
  91. English

    Which sentence contains words in italics that form a gerund phrase? A. The laughing boy sat down. (Laughing is the italic word B. An interesting novel provides good entertainment. ( Interesting is the italic word) C. Winning the race demanded speed and

    asked on December 1, 2006
  92. math

    lamar made a garden in the shape of a rectangle with an area of 36 square feet. The shorter side of the garden measures 4 feet. Explain how you can find the perimeter of the garden

    asked on April 28, 2016
  93. Probability

    hundred people apply for three jobs. 110 of the applicants are women. (a) If three persons are selected at random, what is the probability that two are women? (Round the answer to six decimal places.)

    asked on September 19, 2015
  94. math

    Determine whether it is possible to draw a triangle given each set of information. Sketch all possible triangles where appropriate. Calculate then label all side lengths to the nearest tenth of a centimetre and all angles to the nearest degree. A) b= 3.0

    asked on April 6, 2015
  95. social studies

    a Do you think it was possible for a native person to adapt to victorian society? was such adaptation necessary ? Was it right? why or why not?

    asked on March 24, 2015
  96. Chemistry

    A sample of lithium sulfate, Li2SO4, contains 6.78 x 10^23 formula units a) How many moles of Li+ ions are there in the sample b) How many moles of ions are there in the sample

    asked on November 24, 2014
  97. chemistry

    Calculate the Calorimeter Constant (Ccal) if 25.00 g of water at 50.21°C was added to 25.00 g of water at 25.00 °C, resulting in an equilibrium temperature of 35.00 °C?

    asked on November 2, 2014
  98. geometry

    ee wants to cut this piece of canvas into two rectangles that are 3 x 2 and 3 x 5. He wants the sum of the areas of the two small rectangles to be the same as the area of the large. Can he do this? explain.

    asked on April 28, 2014
  99. KINDERGARTEN

    HOMEWORK HAVE CHILDREN WRITE A ROW OF EACH LETTER AND THEN WRITE THE WORDS

    asked on November 14, 2013
  100. Calculus

    In a test run, a new train travels along a straight-line track. Data obtained from the speedometer indicate that the velocity of the train at any time t can be described by the velocity function v(t) = 8t (0 _< t _< 30) a. Find the position function of the

    asked on April 26, 2013

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