Questions Asked on
June 17, 2013

  1. Calculus

    The quantity demanded each month of the Walter Serkin recording of Beethoven's Moonlight Sonata, manufactured by Phonola Record Industries, is related to the price/compact disc. The equation p = -0.00048 x + 7\ \ \ \ \(0

    asked by Ant
  2. chemistry

    The densities of three solutions with known concentrations ( 20% , 50%, and 70%), and one unknown solution were determined. If the densities of 20%, 50% and 70% solutions are 0.69 and 0.58 and 0.49 g/mL, respectively, and the denisty of the unknown

    asked by alayna
  3. algebra

    The volumes of two cylindrical cans of the same shape vary directly as the cubes of their radii. If a can with a six-inch radius holds 1½ pints, how many gallons will a similar can with a 24-inch radius hold?

    asked by sandricka
  4. Math

    PLEASE HELP !!! A mason is putting in the foundation for a wall. His assistant digs a trench in roughly the shape of a rectangular solid measuring 50 ft. in length, 12 inches deep along both sides, and 12 inches wide at the top and bottom. How many cubic

    asked by Stacey
  5. Math

    In first gear, or low gear, an automobile's engine runs about three times as fast as the drive shaft. In second gear, the engine does not have to run as fast; usually it runs about 1.6 times faster than the drive shaft. Finally, in third, or high gear, the

    asked by bob
  6. math

    A mason's assistant's rate of pay is $0.75 per cubic foot of earth moved. He moves 220 cubic feet of earth to dig a trench. What is his pay for this job? THE ANSWER IS NOT &330

    asked by Stacey
  7. Statistics

    3. A telephone company wants to estimate the porportion of households that would purchase an additional service line if it were made available at a substantially reduced cost. A random sample of 500 households is selected and the results indicate that 135

    asked by Anonymous
  8. Calculus

    The quantity demanded each month of the Sicard wristwatch is related to the unit price given by the equation below, where p is measured in dollars and x is measured in units of a thousand. To yield a maximum revenue, how many watches must be sold? (Round

    asked by Anonymous
  9. Physics

    If an object is thrown in an upward direction from the top of a building 160 ft high at an initial speed of 30 mi/h, what is its final speed when it hits the ground?

    asked by Isis
  10. smith

    The Smiths want to buy a 9 ft. by 12 ft. carpet and center it in a 15 ft. by 20 ft. room. What is the area of the carpet?

    asked by tiffany
  11. Physical sciences

    Copper reacts with silver nitrate according to the equation: Cu(s) + 2AgNO3(aq)= Cu(NO3)2(ag) +2Ag(s). If 0.50mol of copper is added to 1.5mol of silver nitrate , which is the limiting reagent and how many moles of silver are formed

    asked by Tersia Malatji
  12. chemistry

    just take H2O AND CH3CH2OH as example.why say that h2o can form two hydrogen bond per molecule but CH3CH2OH only one.i am confused as both of them also has two lone pairs per molecule,is it true that one hydrogen atom will result in only one hydrogen bond

    asked by amper
  13. Math

    A hot water heater measures 20" in diameter. What is the area of a metal base for the water heater, assuming a two-inch overhang for the base beyond the edge of the heater?

    asked by Stacey
  14. 4 grade math

    Carlos Molly and Simon had to share $100. Molly had 3 times as much money as Simon. Carlos had 2 times as much money as Molly. How much money did Carlos get? How much money did Simon get?

    asked by Marsha
  15. Statistics

    A survey of 90 families showed that 40 owned at least one gun. Find the 95% confidence interval of the true proportion of families who own at least one gun. Example

    asked by Jodene
  16. Calculus

    Lynbrook West, an apartment complex, has 100 two-bedroom units. The monthly profit (in dollars) realized from renting out x apartments is given by the following function. P(x) = -10 x^2 + 1780 x - 54,000 To maximize the monthly rental profit, how many

    asked by Ant
  17. Math

    I = E/R A car has a 12 volt battery. The engine has a resistance of 0.22 ohms. How many amps will be drawn from the battery when the key is turned? I (to the nearest hundredth) = amperes

    asked by bob
  18. Calculus

    A rectangular box is to have a square base and a volume of 20 ft3. If the material for the base costs 37¢/square foot, the material for the sides costs 10¢/square foot, and the material for the top costs 13¢/square foot, determine the dimensions of the

    asked by Anonymous
  19. Chemistry

    Cr2O72-(aq) + I-(aq) -->Cr3+(aq) + IO3-(aq) What is the oxidizing species and the reducing species?

    asked by Jessica
  20. Calculus

    The management of the UNICO department store has decided to enclose a 917 ft2 area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and

    asked by Anonymous
  21. Physics

    solve physics question. a train moves 3.6km from rest to rest in 3minutes. the greatest speed is 90km/h, and the acceleration and retardation are uniform. find the distance travelled at full speed.

    asked by Anonymous
  22. Algebra

    What is the factored form of 6x^4-21x^3-12x^2 ?

    asked by Casey
  23. math

    Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a

    asked by keionna
  24. Math

    If 600 bricks measuring 12" by 18" are required to build a wall 10 ft. high (one brick thick), how long is the wall?

    asked by Bria S.
  25. physics

    A woman on a bridge 81.6 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 9.13 m more to travel before passing under the bridge. The stone

    asked by louis aaaa
  26. Physics

    A trapeze artist swings from one 35-ft long trapeze to another trapeze. She releases one trapeze at a 30 degree angle relative to the vertical. She flies through the air, catching the other trapeze 18 ft away at the same elevation. What was her release

    asked by Joe
  27. accounting

    Cypress Oil Company's December 31, 2013, balance sheet listed $645,000 of notes receivable and $16,000 of interest receivable included in current assets. The following notes make up the notes receivable balance: Note 1 Dated 8/31/2013, principal of

    asked by joyCypre
  28. math

    What is the molarity of a 15%w/v HCl solution (GMW=36.46)?

    asked by tiffany
  29. chemistry

    For the following reaction in acidic solution. Cr2O7^2- + I- ---> Cr^3+ + IO3- give the balanced half reduction reaction. Indicate the oxidizing species.

    asked by Annie
  30. Math check

    A random sample of size 26 is to be selected from a population that has a mean ì = 46 and a standard deviation ó of 15. (a) This sample of 26 has a mean value of x, which belongs to a sampling distribution. Find the shape of this sampling distribution.

    asked by Sue 76
  31. math

    The angle of elevation of the top of a towerfrom a point 42meters away frm its base on level ground is 36degrees.find the height of the tower?

    asked by Nmesoma
  32. math

    . You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from the manufacturer with terms of 3/15, n/45. The order amounted to $230,000, and Suite Dreams can borrow money at 13% ordinary

    asked by keionna
  33. ASVAB

    Susan' s test scores for social studies are 81,76,73,and 79. what is her average score?

    asked by Sinda
  34. Physics

    A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.42×105 , its speed is 28.0 , and the net braking force is , what is its speed 8.27 later?

    asked by Ailorra
  35. economics

    what are welfare payments or consumer subsidies

    asked by makhosonke lwazi ndaba
  36. business math

    Using the exact interest method (365 days), find the amount of interest on the following loan Principal Rate (%) Time (days) Exact Interest $1,700 12½ % 33

    asked by Anonymous
  37. Calculus

    The weekly demand for the Pulsar 25-in. color console television is given by the demand equation p = -0.03 x + 571\ \ \ \ \(0

    asked by Ant
  38. chemistry

    For the following reaction in acidic solution. Cr2O7^2- + I- ---> Cr^3+ + IO3- Give the total balanced net ionic equation.

    asked by Annie
  39. physics

    What is the electric field intensity produced by a charge at 10 meters, where the electric potential is 1.44 volts?

    asked by kayla
  40. science

    If the two ponds were perennial (i.e., year-round) ponds, because of intersecting the water table, how would the presence or absence of water in the other depressions differ from that which is shown?

    asked by Lola
  41. Instructional materials, their preparation and use

    Which of the following can we consider to be truly audiovisual?

    asked by Tina
  42. physics

    An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up with a velocity of + 15.5 m/s and measures a time of 13.9 s before the rock returns to his hand. What is the acceleration

    asked by louis aaaa
  43. Calculus

    Sketch a graph of the parabola y=x^2+3. On the same graph, plot the point (0,−6). Note there are two tangent lines of y=x2+3 that pass through the point (0,−6). The tangent line of the parabola y=x^2+3 at the point (a,a^2+3) passes through the point

    asked by Robin
  44. math

    Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c.

    asked by mysterychicken
  45. physics

    A dynamite blast at a quarry launches a rock straight upward, and 1.9 s later it is rising at a rate of 14 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b) 5.6 s after launch.

    asked by louis aaaa
  46. trig

    Find all values of ¸ in [0°, 360°) that satisfy the equation. 2 sin 2θ - √(3) = 0

    asked by tony
  47. Calculus

    By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 16 in. long and 10 in. wide, find the dimensions of the box that will yield the maximum

    asked by Anonymous
  48. math

    The physical education teacher marked off a triangular section of the gym to play a game. Two of the triangle's sides were 7 feet and 9 feet respectively. If the perimeter of the triangle is 22 feet, what is the measure of the triangle's third side?

    asked by Anonymous
  49. Arithmetic Sequence Help!

    The sum of 3 consecutive terms of an arithmetic sequence is 165. The second of these terms is 11 times the first. Find the 3 terms From what I gathered: S(3) = 165 t(2)= 11(t1) The given formulas are: Sn= n/2[2a+(n-1)d] and tn=a+(n-1)d I have no idea how

    asked by Alice
  50. Physics

    During a head on car crash, the car is designed to slow down as its front end crumples. If a person can survive an acceleration of -33 m/s how far must the front end crumple if the car was initially traveling at 28 m/s?

    asked by Alison
  51. Physics

    Can anyone help with which formula I should use to solve this: During a head on car crash, the car is designed to slow down as its front end crumples. If a person can survive an acceleration of -33 m/s how far must the front end crumple if the car was

    asked by Lynn
  52. Math help

    A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a variance of 2209. (Give your answers correct to four decimal places.) (a) If a truck can carry 3940 lb. and 25 appliances need to

    asked by Gayle 79
  53. physics

    A thin, massless, horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located at a distance r from the axis, starts crawling inside the pipe at constant speed v (relative to the pipe). Because of the

    asked by g
  54. English

    1. A beaver tail is a big,flat bread. 2. A beaver tail is big, flat bread. 3. Beaver tails are big, flat bread. 4. Beaver tails are a big, flat bread. 5. Beaver tails are big, flat breads. 6. Beaver tails are big and flat. 7. beaver tails are big, flat.

    asked by rfvv
  55. Instructional materials

    Filmstrip is called when its put on visualtape

    asked by Tina
  56. Technology

    If you want to teach whole classes how to use computers, where is the best place to locate the computers?

    asked by Grace
  57. math

    a car depreciates in by avalue of $1000 per year. The original value of the car is $30,000. Let V(x) be the value of the car in x years. Write the linear function that represent the value of the car in x years. what will be the value of the car after 7

    asked by kirk
  58. science

    What is the acceleration of a tennis ball if initially it comes toward the player's racquet at 20 m/s, and it leaves in the opposite direction at 24 m/s? A high-speed camera indicates the time of impact of 4.0 ms.

    asked by bittubeniwal
  59. language arts

    Identify the following sentence as either a fragment, run-on sentence, or as correct: I like this class and it is very interesting.

    asked by Anonymous
  60. Technology in classroom

    Which is one disadvantage of drill and practice programs?

    asked by Tina
  61. physics

    A cement block accidentally falls from rest from the ledge of a 51.5 -m-high building. When the block is 12.9 m above the ground, a man, 1.60 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to

    asked by louis aaaa
  62. trig

    Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree. tan α = -1.85

    asked by tony
  63. life orientation

    critically discuss 5 ways in which substance abuse can have an impact on human & environmental factor?

    asked by noluthando zwane
  64. Statistics

    1. If the mean is 40 in a normal distribution, what is the median?

    asked by Rey
  65. Math for Educators

    24five x 3five ------ 132five 27eight 65eight +43eight ------- 157eight 75eight -37eight ------- 36eight 1213five/3five??? -If someone could please confirm my answers for the others as well as help me with the last division problem thank you! these are all

    asked by Kelly
  66. yutfv

    A thin massless horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located at a distance r from the axis, starts crawling inside the pipe at constant speed v (relative to the pipe). Because of the bug,

    asked by Anonymous
  67. math

    the length of one board is 2feet10inches,and the length of another board is1yard1foot9inches.what is the total length of the 2boards put together?a.1yard4feet6inchesb.2yard1foot7inchesc.1yard3feet20inchesd.3yard5inches

    asked by babyc36
  68. math

    Alicia Eastman deposited $2,000 in a savings account at the Biltmore Bank paying 6% ordinary interest. How many years will it take for her investment to amount to $2,600?

    asked by keionna
  69. Math

    How do you weight probabilities to add up to 1? Example: Chance of rain .25 Chance of person wearing purple hat .1 Chance of person wearing red hat .05 Chance of person wearing black hat .2 Chance of person wearing yellow hat .1 Chance of person wearing

    asked by Karen
  70. Instructional materials, their preparation and use

    Which of the following would you use to sort through slides for a slide or injection?

    asked by Cam
  71. Physics

    Adventurous Mary tries a new game: she puts on her rollerblades and throws the ball towards the wall, lets it bounce off, catches it again, throws it right back, and so on. She notices a strange thing: after the second throw, she is unable to catch the

    asked by Abhishek Ranjan
  72. Chemistry

    ALL ice melts at 0*C, but it requires MORE HEAT to melt 10g of ice than it would for 20g of ice. Why? I thought it was the opposite.

    asked by Diana
  73. Math

    What is the future value of $800 invested for 14 years at 11 percent compounded annually

    asked by Denise
  74. Physics

    Light from a coherent monochromatic laser of wavelength λ=2.29e-4 m is incident on two slits, both of width a, separated by a distance d. The slits are placed a distance L away from a screen where L≫d and L≫a. The diffraction/interference intensity is

    asked by AAA
  75. Math

    The distance between the front wheels of a model car is 4.5 centimeters. What is the actual distance of the car if the scales is 1:24

    asked by Billie
  76. math

    ABCD is a square. Γ1 is a circle that circumscribes ABCD (i.e. Γ1 passes through points A,B,C and D). Γ2 is a circle that is inscribed in ABCD (i.e. Γ2 is tangential to sides AB,BC,CD and DA). If the area of Γ1 is 100, what is the area of Γ2?

    asked by jack
  77. thrthbr

    In a synchrotron, electrons are accelerated to speeds close to the speed of light v≈c≈3×108 m/s Suppose that in a synchrotron, 100 billion (10^11) electrons move in a circular orbit of circumference L=300 m . Determine the electric current in Amps due

    asked by dfghndfghncbfv
  78. Math for Educators

    I am thinking of some #s less than 100. When I divide them by 2 there is a remainder of 1. When I divide them by 3 there is a remainder of 1. When I divide it by 4 there is a remainder of 1. However, when I divide by 5 there is no remainder. what are the

    asked by Kelly
  79. science physics

    A chicken decides to cross a road. The road is perfectly straight, runs north-south, and is full of cars driving by from south to north. The cars have a log-normal distribution for the distance between each car. However, the cars all travel at 80 km/hr.

    asked by phys
  80. physics

    from the first law of thympdynsmics, show that in the isothermal expansion of comprrssion of an ideal gas, the heat energy entering the system is equal to the work done by the gas and that these are RTln(V2- V1)

    asked by uche
  81. COP 2000-6

    show an example of an user inputs a list of positive numbers terminated by 0 into an array, find the mean of the numbers in the array, and outputs th result. use a subprogram to input the numbers, a function to find the mean, and a subprogram to output the

    asked by jackie
  82. Geometry

    A. Derive the distance formula (d) shown below for points A = (x1, y1) and B = (x2, y2). 2 2 1 2 2 1 d = (x − x ) + ( y − y ) Note: Look for an application of the Pythagorean theorem where the red line, segment AB, is the hypotenuse of a right

    asked by Charlie
  83. Maths

    The third term of a sequence is 2(2/3) and the sixth term is 9. Find the first six terms when the sequence is; (a) arithmetic (b) geometric

    asked by Shane
  84. physics

    A hot-air balloon is rising upward with a constant speed of 2.00 m/s. When the balloon is 3.37 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?

    asked by louis aaaa
  85. Chemistry

    What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric acid? (see the Table above for the Ka of hydrofluoric acid; calculate the pH to 2 decimal places) hint: you will have to find the

    asked by D.J.
  86. Math

    What is the present value of $803 to be received 18 years from now at 10% discount rate.

    asked by Steven
  87. math

    One white marble, two blue marbles, and three red marbles were in a bag. One marble was drawn from the bag and then put back. then another marble was drawn. What is the probability that a white marble was drawn both times? Is the answer 1/36? 1/6 * 1/6

    asked by cici
  88. Math

    what is the present value of $329 a year for 6 years at a 12 percent discount rate?

    asked by Bruce
  89. math

    . A radio station had 245 tickets to a concert. They gave away 4 times as many tickets to listeners as to employees. How many tickets did they give away to employees?

    asked by altavion
  90. stat

    When rolling a die, is this an example of a discrete or continuous random variable?

    asked by Bruce
  91. Physics

    A circuit is composed of a capacitor C=3 μF, two resistors both with resistance R=69 Ohm, an inductor L=6.00e-2 H, a switch S, and a battery V=25 V. The internal resistance of the battery can be ignored . Reminder: The "L=x.xxenn H" notation means

    asked by AAA
  92. math

    Suppose A,B,C,D, and E are distinct positive integers such that A

    asked by jack
  93. math

    In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing , without replacement, two balls of

    asked by jack
  94. math

    Find the sum of the squares of the three solutions of the equation x^3+3x^2−7x+1=0.

    asked by jack
  95. Diversity

    When selecting books for young children, you should avoid those that include 1 unusual characters that deviate from the norm. 2 exaggerated characteristics based on race or gender. 3 illustrations depicting strong females and sensitive males. Is number 2

    asked by Annoymous
  96. college algebra

    CRITICAL THINKING: Witout grouping symbols,the expression 2.3³+4 had a value of 58.Insert grouping symbols in the expression 2.3³ + 4 to produce the following values : 1. 62 2. 220 3. 4374 4. 279,936 Thanks ,please help me,i don't know what to do.

    asked by rhove
  97. physics

    Adventurous Mary tries a new game: she puts on her rollerblades and throws the ball towards the wall, lets it bounce off, catches it again, throws it right back, and so on. She notices a strange thing: after the second throw, she is unable to catch the

    asked by Anonymous
  98. science

    How long does it take the ball in problem 5 to travel 15 meters after being played? Neglect the gravitational effect, and suppose the ball travels along a straight line and assume a speed of 24 m/s. A racecar driver steps on the gas, and his car travels 16

    asked by bittubeniwal
  99. science

    Find the overall average speed of swimmer number one during the race. Find the overall average speed of the second swimmer from the time he starts swimming until he ends his race. What is the instantaneous speed of the second swimmer at time t = 25 s

    asked by bittubeniwal
  100. Math

    A homeowner empties her hot water heater every 36 days and changes the filter in the heat pump every 48 days. She did both on Friday September 17, 2012. When again will she do both on the same day? (give the day of the week, the date, month, and year)

    asked by Julia
  101. physics

    what is meant by liquefaction of gases? can hydrogen be liquefied by compression at the temperature of liquid air?

    asked by uche
  102. Physics

    A herd of wildebeests led by Roger is charging down the hall on the way to lunch. They start out at 10 m/s and accelerate at a constant rate for 5.35 s to reach 34 m/s by the time they reach the stairs. How quickly did Roger's velocity change?

    asked by Alison
  103. algebra

    Sam's sister lives 100 miles away. Sam drove 50 mph for 1/2 hr toward his sister's house. How much farther must Sam travel to reach her house?

    asked by luz
  104. MATH

    HOW MANY INCHES IS A FT

    asked by Anonymous
  105. trig

    Find all real numbers in [0, 2π) that satisfy the equation. cos 2x = √(2)/2

    asked by tony
  106. Maths

    Given the f (x) =2x^3 + ax^2 + bx - 9. (a)Find the value of a and b if f (x) has a factor x -3 but leaves a reminder of 8 when divided by x + 1. (b) Factorize f (x) completely and hence solve for x.

    asked by Shane
  107. Math help

    Can someone give me simple formulas for the below problems. What I found is too confusing. A sample of 145 values is randomly selected from a population with mean, ì, equal to 45 and standard deviation, ó, equal to 23. (Give your answers correct to one

    asked by Gayle 79
  108. Chemistry

    Using your 0.0100M oxalate solution and only the equipment and supplies listed below, describe how to prepare a 0.00025M solution of oxalate. Note, you are not allowed to add volumes with pipettes. (example, if you want 20mLs, you can not use a 10mL + 10mL

    asked by Jessica
  109. physics

    A ball is thrown upward with an initial velocity of 14 m/s. At what time does the ball reach the high point in its flight? (Use the approximate value of g = 10 m/s2 and remember that the velocity is equal to zero at the high point.)

    asked by cody
  110. physics

    A pellet gun is fired straight downward from the edge of a cliff that is 27.1 m above the ground. The pellet strikes the ground with a speed of 25.9 m/s. How far above the cliff edge would the pellet have gone had the gun been fired straight upward?

    asked by louis aaaa
  111. Physics

    Hi. This question is from my own point of view based on electricity. Is it possible in theory to have electricity passed through wireless rather than using wires????

    asked by anonymous
  112. maths

    S=1+2(1 5 )+3 (1 5 ) 2+4 (1 5 ) 3…. If S=a b , where a and b are coprime positive integers, what is the value of a+b?

    asked by ravi&ashu
  113. maths

    S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... If s=a/b , where a and b are coprime positive integers, what is the value of a+b?

    asked by unknown
  114. math

    please factorise 100-9x^2

    asked by kartikeya
  115. history

    which is true of secretary of state William henry seward

    asked by Anonymous
  116. Math

    ABC is a triangle with ∠BAC=60∘. It has an incircle Γ, which is tangential to BC at D. It is given that BD=3 and DC=4. What is the value of [ABC]^2?

    asked by Bob
  117. math

    Two teams play an extended series of 100 volleyball games. Team A wins the first game and then team B wins the second. The probability that a team wins each subsequent game is equal to the proportion of games that team has won so far. The probability that

    asked by I <3 maths
  118. Change of subject formular

    Change the following y=x-8

    asked by Yakub musa jah
  119. World Geography

    1. Which of the following was the main purpose behind the formation of the Arab League in 1945?

    asked by Minh Turley
  120. math

    Suppose A,B,C,D and E are distinct positive integers such that A < B < C < D < E,their median is 10 and their mean is 15.Find the maximum possible value of D.

    asked by jack
  121. math

    If ABC is a triangle with AB=20,BC=22 and CA=24. Let D lie on BC such that AD is the angle bisector of ∠BAC. What is AD^2?

    asked by jack
  122. math

    ABCD is a square. Γ1 is a circle that circumscribes ABCD (i.e. Γ1 passes through points A,B,C and D). Γ2 is a circle that is inscribed in ABCD (i.e. Γ2 is tangential to sides AB,BC,CD and DA). If the area of Γ1 is 100, what is the area of Γ2?

    asked by jack
  123. math

    Consider the function defined as f(x)=(x^2+2x+3)^2+4. As x ranges over all real values, what is the minimum value of f(x)?

    asked by jack
  124. math

    Let S(N) denote the digit sum of the integer N. As N ranges over all 3-digit positive numbers, what value of N would give the minimum of M=NS(N)?

    asked by jack
  125. math

    S=1+2(1/5)+3(1/5)^2+4(1/5)^3…. If S=a/b, where a and b are coprime positive integers, what is the value of a+b?

    asked by jack
  126. math

    What is the sum of all possible positive integer values of n, such that n^2+19n+130 is a perfect square?

    asked by jack
  127. Diversity

    Books that promote tolerance include 1 sexist attitudes 2 male and female heroes 3 racist beliefs

    asked by Annoymous
  128. math

    Find the sum of all primes p, such that p divides up, where up is the p-th Fibonacci number.

    asked by jack
  129. maths

    Integers a, b, c, d and e satisfy 50

    asked by shiv
  130. PHYS

    You throw a bowling ball o the empire state building(381m high) 10m/s down- ward. How long does it take to get to the bottom?

    asked by Q
  131. conclusion

    A good way to establish a conclusion as true, or probable, is to (Points : 1)

    asked by mary
  132. math

    1.Mark makes Php 40.00 per hour if he works 40 hours or less.If works overtime,he makes an additional Php 5.00 per hour as overtime pay.What would be his total pay if he worked 58 hours? 2.The world's greatest known ocean depth of 36,201 feet was recorded

    asked by rhove
  133. Calculus

    Find the values of a ,b, and c in the quadratic function p(x)=ax^2+bx+c such that p(2)=6, p'2)=2, and p''(2)=3. a = b = c =

    asked by Robin
  134. Test

    √(5x-4) = 7 - √(13-x) before we do anything, remember we cannot take the square root of a negative so, 5x-4≥0 and 13-x≥0 x≥4/5 and x ≤ 13 now back to the question, square both sides 5x-4 = 49 - 14√(13-x) + 13-x

    asked by Test
  135. Statistics

    2. For a distribution of scores, which of the following Z score values represents the location closest to the mean?

    asked by Luah
  136. phil 103

    examinind reasons and constructing arguments can help in everyday life

    asked by mary
  137. phil 103

    A radical skeptic might be willing to doubt which of the following? (Points : 1)

    asked by mary
  138. phil 103

    Logic can help analyze ethical problems. (Points : 1)

    asked by mary
  139. chemistry

    Using your 0.0100M oxalate solution and only the equipment and supplies listed below, describe how to prepare a 0.00025M solution of oxalate. Note, you are not allowed to add volumes with pipettes. (example, if you want 20mLs, you can not use a 10mL + 10mL

    asked by Annie
  140. maths

    if y varies directly as x,and x=9 and when y=15'find y when x=33

    asked by cedric
  141. chemistry

    0.125g of sodium dichromate is to be reacted wtih 0.025M potassium iodide. How many mLs of the potassium iodide solution will be needed. (Use your balanced equations above.)

    asked by Annie
  142. math

    Find the reciprocal of the following number: -21/23

    asked by romina
  143. math

    Can I please get my answers double checked? True or False 1. The tangent function is used to find the angel between two vectors. True 2. If two vectors are orthogonal, then their dot product is -1. False 3. The length of the projected vector is always

    asked by mysterychicken
  144. Life orintetion

    In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community

    asked by Ndumy
  145. Physics

    How far do you travel if you start at 5.6 m/s and slow down at 2.5 m/s until you stop?

    asked by Lynn
  146. Diversity

    One of your friends was the victim of a crime committed by a new immigrant to the country. Now She is intolerant of any children who don't speak English as their first language. This is an example of A stereotyping B discrimination C racism D inclusion

    asked by Annoymous
  147. MATH

    HOW MANY INCHES IS A YARD

    asked by Anonymous
  148. math

    could you please do the steps with the answer so that I can understand it. write as a decimal round to the nearest thousandth if necessary. 4/5% 20 1/4% thanks for your time and help

    asked by Anonymousab
  149. math

    could you please do the steps with the answer so that I can understand it. write as a decimal round to the nearest thousandth if necessary. 4/5% 20 1/4% thanks for your time and help

    asked by Anonymousab
  150. physics

    orange light (lambda=630nm) hits diffraction grating which has a line spacing of (mu)m. The interference pattern is seen on a screen that is 4.0m away. what is the distance between the central bright spot and the first order bright spot on the screen.

    asked by ceci
  151. Diversity

    One of your friends was the victim of a crime committed by a new immigrant to the country. Now She is intolerant of any children who don't speak English as their first language. This is an example of A stereotyping B discrimination C racism D inclusion

    asked by Annoymous
  152. MATHS

    34% * 9

    asked by Anonymous
  153. math

    which of the following percents can also be expressed as a mixed number? a.310% b.49% c.7.4% d.0.001%

    asked by babyc36
  154. selma high

    What is the area of a rectangle that has a length of 12x and a width of (x + 3)?

    asked by Anonymous
  155. math check

    Consider a normal population with ì = 49 and ó = 6. Calculate the z-score for an x of 44.2 from a sample of size 22. (Give your answer correct to two decimal places.) 3.75 is what I got.. and I have only one more try on this one.

    asked by Sue 74
  156. math

    On May 23, Samantha Best borrowed $40,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan?

    asked by d.j.
  157. Calculus

    Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x) = x^3 + 3 x^2 - 1 on [-3, 1]

    asked by Ant
  158. statistics check

    Consider the following. (Give your answers correct to two decimal places.) (a) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.87. my answer .44 . (b) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.91. my

    asked by Webster85
  159. MATHS

    A school has an enrolment of 450 students.4\9 of them are girls.0•6 of the girls are below the age 8 years.How many girls are above 8 years?

    asked by Yannica
  160. soc320

    Which of the following is among the impediments to government action on health care? (Points : 1) Frequency of divided government and the resulting decentralization of the legislative process Magnitude of disagreement between citizens and the insurance

    asked by PAT
  161. health

    What is an example of how adults can develop knowledge to attain goals if running is a goal:

    asked by john
  162. Math

    6 different numbers with a median of 61

    asked by Anonymous
  163. MATH

    Complete Problem 34 in Section 5.2 Exercises (Ch. 5) of Essentials of Geometry for College Students. 34. Given: ABC,/ AD bisects

    asked by BJ
  164. trig

    Use a sum or difference identity to find the exact value. tan 25deg + tan 5deg / 1-tan 25deg tan 5deg

    asked by tony
  165. math

    How Many years will it take to grow $321 to a value of 450.22 at a compounded rate of 12 percent

    asked by Steven
  166. maths

    S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... If s=a/b , where a and b are coprime positive integers, what is the value of a+b?

    asked by unknown
  167. Math

    What would be the cost of a car if my payments were $453 monthly for 3 years at 6% per year

    asked by Yolanda
  168. Math

    My monthly mortgage payments are $4,369.66 for 30 years at 8%, what is the original cost of the house?

    asked by Yolanda
  169. Math

    My 30 year mortgage loan is $255,413 with a monthly payment of $1,321.33 at 6%. There are only 8 years remaining. what is the payoff?

    asked by Leslie
  170. Math

    12 years at 5% compounded annually what is the future value of $557?

    asked by Bruce
  171. maths

    using a glazed paper,find out the multipication of 3/7 and 1/6.

    asked by abhigyan
  172. Math help

    Consider the following table for a single-factor ANOVA. Level of Factor Replicates 1 2 3 1 0 4 4 2 0 5 6 3 1 3 6 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2.

    asked by Sue 11
  173. maths

    using buttons of different colours ,find the solution of 5x-6=9

    asked by abhigyan
  174. maths

    using a glazed paper,find out out the quotient of 0.4 divided 0.8.

    asked by abhigyan
  175. mathematics

    using glazed paper ,show that 3/-7 and -9/21 are in prpportion.

    asked by abhigyan
  176. english

    write a letter of apology and reconcilation to a friend with whom you have quarrelled.

    asked by abhigyan
  177. english

    Find the error in the sentence. Improving Sentences Janet tired 'to comfort' her little brother 'when he lost' his turtle and helped 'him find' a better pet 'than their sister'. Where is the error? I don't know if there is one.

    asked by kitty
  178. math

    Find the minimum possible value of 2cos4θ+8cos3θ+32cos2θ+56cosθ+100

    asked by jack
  179. math

    Let S={1,2,3,4,…,2013} and let n be the smallest positive integer such that the product of any n distinct elements in S is divisible by 2013. What are the last 3 digits of n?

    asked by jack
  180. Science

    Project Work-Draw(x-t)graph on graph paper which represents a body is travelling with uniform acceleration.

    asked by Nandani Raj
  181. Diversity

    When selecting books for young children, you should avoid those that include 1 unusual characters that deviate from the norm. 2 exaggerated characteristics based on race or gender. 3 illustrations depicting strong females and sensitive males.

    asked by Annoymous
  182. math

    The real numbers x and y satisfy the nonlinear system of equations {2x^2 − 6xy + 2y^2+ 43x + 43y = 174 x^2 + y^2 + 5x + 5y = 30. Find the largest possible value of |xy|.

    asked by jack
  183. physical

    Franky claims he has a mass of 65kg. He is sitting on a spherical bouy that oats just barely submerged under water. When he gets o it rises halfway out of the water. What must the radius R in centimeters of the sphere be for him to be telling the truth?

    asked by Q
  184. physical

    David's clock ticks once for every two of Phil's clock ticks. How fast is Phil moving by David?

    asked by Q