Most popular questions and responses by May
  1. Language Arts

    "The Third Wish" Quiz 1. Part A What internal conflict does Leita face in "The Third Wish"? -Leita enjoys being Mr. Peter's wife, but she deeply misses being a swan** -Leita is unhappy with the old King for turning her into a human -Leita does her best to

    asked on September 13, 2016
  2. Phenoix

    teresa buys 100 shares of XYZ sock on margin at $20 per share. If the margin requirement is 45 percent, the interest rate is 10 percent, and she holds the security for 1 year, how much interest must she pay?

    asked on June 14, 2015
  3. Math

    Find the mode of the set of data 59,61,54,51,38 46,56,52,63,40,44 1.B 2.D 3.C 4.A 5.D 6.C 7.B 8.C 9.C 10.C 11.B 12.D 13.B 14.A 15.A 16.A 17.D 18.A 19.C 20.D Math lesson:10 Unit:2 Practice test 100% answers

    asked on September 27, 2017
  4. math

    the number of pat's roses to the total number of pat's flowers. a)76:31 b)76:107 c)31:107 d)31:76

    asked on November 24, 2015
  5. math

    If a ball is thrown directly upward with a velocity of 14 m/s, its height (in meters) after t seconds is given by y = 14t − 4.9t2. What is the maximum height attained by the ball? (Round to two decimal places.) ______ m After how many seconds is that

    asked on August 14, 2014
  6. Statistics

    The yearly rainfall in Vancouver, B.C. follows a normal distribution with standard deviation 172 mm. In 20% of years, the city gets over 1200 mm of rain. What is the mean annual rainfall in Vancouver (in mm)? The answer is 1055.5 mm....not sure how to get

    asked on December 14, 2017
  7. Math

    Which of the following options is an equivalent function to f(x) = 4(3)2x? A.f(x)= 36x B.f(x)= 4(9)x C.f(x)= 144x D.f(x)= 4(6x)

    asked on November 4, 2015
  8. Math

    A farmer has 450m of fencing to enclose a rectangular area and divide it into two sections. a) Write an equation to express the total area enclosed as a function of the width. b) Determine the doman and range of this area function. c) Determine the

    asked on September 14, 2008
  9. english

    In the poem Warren Pryor by Alden Nowlan, it says "his axe-hewn hands upon the paper bills aching with empty strength and throttled rage." I understand that it means that he wanted to work on the farm instead of in the bank, but could someone explain the

    asked on January 7, 2010
  10. Data Management

    A critical circuit in a communication network relies on a set of eight identical relays. If any one of the relays fails, it will disrupt the entire network. The design engineer must ensure a 90% probability that the network will not fail over a five-year

    asked on November 18, 2009
  11. Math (Please Help)

    Select the phrase that correctly completes the sentence. The value of the dependent variable is always ___________ the value of the independent variable. A. Greater than B. Dependent on C. Equal to D. Lesson than

    asked on February 9, 2016
  12. Math question - plz correct

    Two airplanes leave an airport at the same time. One travels at 355km/h and the other at 450km/h. Two hrs later they are 800km apart. Find the angle between their courses. a^2 = b^2 + c^2 - 2bc Cos A 800^2= 450^2 + 355^2 - 2(450)(355) Cos A 640000= 202 500

    asked on May 27, 2008
  13. physics

    The Achilles tendon is attached to the rear of the foot as shown in (Figure 1) . A person elevates himself just barely off the floor on the "ball of one foot." Assume the person has a mass of 80kg and D is twice as long as d.Find the tension FT in the

    asked on February 17, 2014
  14. math

    in the 6th grade 12 out of 27 students have a pet. if there are 162 students how many would have a pet? i get 72 is that right?

    asked on May 5, 2016
  15. Math

    mr frank has 1.03 kilograms of fertilizer for the plants in his nursery.he wants every plant to get 95 mg of fertilizer 4 times each year.what is the number of plants he could fertilize with that amount? how much fertilizer will he have left over?

    asked on May 10, 2017
  16. chemistry

    2KI+Pb(NO3)2=2KNO3+PbI2 suppose a solution containing 1.25g of KI is combined with a solution containing 2.42g Pb(NO3)2 _what mass of the yellow PbI would result what is the limiting reactant How much in grams of the excess reactant was used how much in

    asked on February 10, 2013
  17. chemistry

    Calculate the minimum number of moles of Pb(NO3)2 required to start precipitation in 50.0mL of 0.15M ZnI2

    asked on April 2, 2012
  18. math

    A high-speed elevator can rise 480 feet in 30 seconds. Which expression represents the rate, in feet per minute, of the elevator how do i get the answer

    asked on May 2, 2016
  19. calculus

    how do you separate these variables dy/dx=4sqrt(y)lnx/x, y(e)=9

    asked on March 19, 2011
  20. Social Studies

    Essay Question What role do women play in the economy of West and Central Africa? (Any ideas?) (My ideas:produce and sell handicrafts in local markets)

    asked on October 11, 2016
  21. math;)

    a kitchen is shaped like a rectangle with dimensions of 11 1/2 ft. by 9 1/2 ft. the floor of the room is made of square tiles with a side length of 1.2 ft. What is the number of tiles that will cover the kitchen floor?

    asked on February 9, 2014
  22. Physics

    An automobile is traveling 65 km/hr. It brakes decelerate it 6.o m/s^2. a) How long will it take to stop the car? b) How far will the car travel after the brakes are applied?

    asked on November 3, 2010
  23. math

    ronald reads 1,000 words in 5 minutes how do i write as a unit rate?

    asked on May 2, 2016
  24. Math

    1. You are having a discussion about sequences with your classmate. She insists that the sequence 2,3,5,8,12 must be either arithmetic or geometric. Is she correct or incorrect? Explain. Can you help please 2. Determine whether the sequence is arithmetic,

    asked on October 9, 2015
  25. physics

    An egg rolls off a kitchen counter and breaks as it hits the floor. The counter is 1.0 m high, the mass of the egg is about 50 g, and the time interval during the collision is about 0.010 s. How large is the impulse that the floor exerts on the egg? use

    asked on December 7, 2014
  26. Math

    Janice thinks that 20 hundredths is equivalent to 2 thousandths because 20 hundreds is equal to 2 thousands. Use words and a place value chart to correct Janice’s error.

    asked on October 2, 2014
  27. Math

    Mrs. Lin brings 6 trays of hamburger buns to the barbecue. 2/3 of the trays have wheat buns. How many of the trays have wheat buns? Draw a diagram to solve the problem.

    asked on April 25, 2017
  28. 12th Calculus

    water drains fromteh conical tank shown in the figure at the rate of 5 ft^3/min. a. what is the relation between the variables h and r? b. how fast is the water level dropping when h =6ft?

    asked on December 3, 2008
  29. physics

    A peregrine falcon dives at a pigeon. The falcon starts downward from rest with free-fall acceleration. If the pigeon is 53.0 m below the initial position of the falcon, how long does the falcon take to reach the pigeon? Assume that the pigeon remains at

    asked on September 2, 2012
  30. Chemistry

    How do you find unpaired electrons in a metal ion in CuSO4·5H20?

    asked on October 19, 2010
  31. Chemistry

    Help please? 1)A sample of propane gas occupies 625 cm3 at 20.0 °C and 750 torr. What is the final volume in cubic centimeters at -80.0 °C and 750 torr? 2)If oxygen gas is collected over water at 25 °C and 775 torr, what is the partial pressure of the

    asked on April 16, 2014
  32. math

    Peter has twice many stickers as Ali. Ali has 40 more stickers than Carlos. They have 300 stickers altogether. How many stickers does Peter have?

    asked on February 13, 2013
  33. Algebra

    Nabuko practice the violin at lest 12 hours per week. She practice for three fourths an hour each session. If Nabuko has already practiced 3 hours in one week, how many sessions remain to meet or exceed her weekly practice goal?

    asked on March 31, 2016
  34. Math

    write three measurements using grams and three measurements using milligrams that total 15.4 grams

    asked on May 10, 2017
  35. Math

    In chess, a knight can move either two squares horizontally plus one vertically or two squares vertically plus one horizontall. a) If a knight starts from one corner of a standard 8*8 chessboard, how many different squares could it reach after i) one move?

    asked on November 4, 2009
  36. Science 8th grade

    A scientist bends wires made of different metals to check their flexibility. Which of the following best justifies the type of change taking place? Physical change because shape is a physical property. Chemical change because shape is a physical property.

    asked on August 28, 2019
  37. math

    Need help in solving this word problem. That are the steps? Of the total number of spectators at a circus, 1/4 are men. 2/5 of the remaining number of spectators are women. There are 132 women at the circus show. How many children are at the circus show?

    asked on November 16, 2015
  38. Math

    there is a track next to the barbecue area the track is 1/4 mile long. a group of students have a relay race. they run around the track 4 times. draw a number line to show how many miles the students can. use 0 and 1 as points on your number line. divide

    asked on April 25, 2017
  39. chemistry

    hydrogen gas can be produced by reacting aluminum with sulfuric acid .How many L hydrogen gas are produced by reacting 15.0 mol of sulfuric acid with 15.0 mol of aluminum at STP?

    asked on May 19, 2013
  40. Stat

    An instant lottery game gives you probability 0.02 of winning on any one play. Plays are independent of each other. If you play 4 times, the probability (±0.0001) that you win on none of your plays is about

    asked on April 3, 2011
  41. Calculus

    Determine the line through which the planes in each pair intersect. a) 3x+2y+5z=4 4x-3y+z=-1

    asked on January 26, 2013
  42. Math

    How many rectangles can you build with a prime number of square tiles

    asked on August 21, 2017
  43. Math

    Write a word problem in which the starting number is in hundreds and the answer is 4 tickets were left over.

    asked on December 1, 2016
  44. math grade 12

    A sheet of plastic stops 25% of the light and lets through the residual 75%. What percentage of the light is let through by two sheets of the plastic ?

    asked on August 17, 2015
  45. Math

    carlos can throw a ball 14 yards . His friend raul can throw 3/7 of that distance. Is rauls throw longer or shorter than 14 yards? Now find the exact length of Raul's throw.

    asked on November 30, 2016
  46. Math

    Long ago, people decided to divide the day into units called hours. They chose 24 as the number of hours in one day. Why is 24 a more convenient choice 23 or 25?

    asked on August 17, 2017
  47. Science

    I would really appreciate help! Compare renewable and nonrenewable energy sources, and discus the effects of each on biodiversity. (I need about 6 sentences) (I have tried thinking about it and cannot seem to figure it out)

    asked on January 21, 2016
  48. chemistry

    Calculate the minimum number of moles of Pb(NO3)2 required to start precipitation in 50.0mL of 0.15M ZnI2

    asked on April 2, 2012
  49. Chemistry

    The price of a popular soft drink is $0.97 for 24.0 oz or $0.77 for 0.500L What is the price per liter of the 24.0oz bottle What is the price per liter of the 0.500 L bottle

    asked on September 16, 2019
  50. quantitative literacy

    Decide whether the following statement makes sense​ (or is clearly​ true) or does not make sense​ (or is clearly​ false. ​We're both single with no children and we both have the same total​ (gross) income, so we must both pay the same amount in

    asked on May 2, 2019
  51. Math

    While at the beach, dasha uses this bucket to make a sand castle. She fills the bucket 8 times with wate. How many liters of water does she use? Write an equation to solve.

    asked on April 27, 2017
  52. math

    . At a concert, 20% of the audience members were teenagers. If the number of teenagers at the concert was 360, what was the total number of audience members?

    asked on May 3, 2016
  53. Pysics

    An airplane flies 400 km west from city A to city B, then 200km northwest to city c and finally 100 km north to city D. How far it is from city a to d?

    asked on February 10, 2016
  54. chemistry

    If 1.50mol of oxygen gas exerts a pressure of 1500mmHg at 20∘C, what is the volume in liters?

    asked on April 15, 2014
  55. math

    A company paid $48 for 2 cases of printer paper. Each case contained 12 packages of paper. Next month the company’s office manager needs to order 180 packages of the same paper. If the price per package does not change, what would be the total cost of

    asked on May 3, 2016
  56. Calculas HS

    the Museum of Science in Boston displays a running total of the U.S. population. on may 11, 1993, the total was increasing at the rate of 1 person every 14 sec. the displayed population figure at 3:45 PM. that day was 257,313,431. assume that the relative

    asked on January 27, 2009
  57. algebra

    Your automobile radiator contains 15 quarts of an antifreeze mixture. A test shows the mixture is 40% antifreeze and 60% water. The owner's manual says the mixture should be 50% antifreeze and 50% water. How much of the mixture should be removed and

    asked on November 7, 2017
  58. science

    Which of the following are psychological characteristics that Beatrice Whiting and John Whiting found to crosscut cultural boundaries

    asked on February 28, 2016
  59. Chemistry

    Methanol ---> Normal BP: 64.6°C --> dHvap: 35.3kJ/mol iso-Propanol ---> Normal BP: 82.3°C --> dHvap: 45.4kJ/mol Cyclohexane ---> Normal BP: 80.7°C --> dHvap: 33.1kJ/mol Question: Ethanol has a normal BP of 78.3°C. Why is the normal BP higher than

    asked on February 13, 2015
  60. Math

    Genny babysits for two different families. One family paints her $6 an hour and a bonus of $20 at the end of the night. The other family pays her $3 every half hour and a bonus of $25 at the end of the night. Write and solve the system of equations that

    asked on April 14, 2016
  61. Chemistry

    suppose a runner completes a 10k (10.0km) road.race in 43 minutes and 55 seconds what is the runners average speed in miles per hour

    asked on September 16, 2019
  62. math

    You flip a coin 20 times and get tails 15 times. You flip the coin 80 more times. What do you expect to happen to the experimental probability of getting tails as you increase the number of trials?

    asked on January 22, 2019
  63. Math

    Which of the following options results in a graph that shows exponential growth? A.f(X)= 0.4(3)X B.f(X)= 3(0.5)X C.f(X)= 0.8(0.9)X D.f(X)= 0.9(5)-X

    asked on November 4, 2015
  64. chemistry

    Silicon carbide is one of the hardest materials known. It is often known commercially as carborundum. Silicon carbide is used primarily as an abrasive for sandpaper and is manufactured by heating common sand (silicon dioxide, SiO2) with carbon. - What mass

    asked on February 10, 2013
  65. math grade 12

    Sara got 85% and 89% on her first two Maths tests. What must she get on her third test to have at least a 90% test average. Assume three tests, represent the problem with an inequality and then solve it.

    asked on August 17, 2015
  66. calculus (please help)

    find the volume of the solid whose bounded by the circle x^2+y^2=4 and whose cross sections perpendicular to the y-axis are isosceles right triangles with one leg in the base. Please give explanation and steps

    asked on April 22, 2015
  67. Biology

    Which of the following . is true about the DNA molecule during transcription? A- It opens up all of the way, one gene at a time. B- It unwinds from both ends. C- It makes a copy of itself. D- Only a small area is opened. My choice is C.

    asked on December 31, 2014
  68. chemistry

    how many moles are present in 2.45 x 10²³ molecules CH₄?

    asked on February 1, 2015
  69. Math

    A shirt is on sale for 40% off. The sale price is $12. What was the original price? What was the amount of the discount?

    asked on April 1, 2014
  70. Chemistry

    A sample of 9.4 grams of NaOH is dissolved into 693 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.37 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

    asked on October 11, 2010
  71. physicsss

    An oxygen molecule consists of two oxygen atoms whose total mass is 5.3 x 10^-26 kg and whose moment of inertia about an axis perpendicular to the line joining the two atoms, midway between them, is 1.9 x 10^-46 kg*m^2. Estimate, from these data, the

    asked on February 3, 2015
  72. Derivative Test

    Consider the function y = 3x5 – 25x3 + 60x + 1. Use the first or second derivative test to test the critical points. How many relative maxima did you find? I got 2 as the relative maxima, is this done correctly?

    asked on December 9, 2014
  73. Chemistry

    Would the VSEPR notation of CH3Cl be AX4?

    asked on May 23, 2013
  74. Algebra

    The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the length (the shorter

    asked on October 4, 2019
  75. 12th Calculus

    the volume of a cube is increasing at the rate of 1200 cm^3/min at the instant it edges are 20cm long. at what rate are the edges changing at the instant?

    asked on December 3, 2008
  76. Science

    Do error bars show systematic error or random error or both?

    asked on March 17, 2019
  77. Science

    *NEED HELP ASAP* TIA Hi everyone! If you could help me I would really like that! Question: Suppose the moon rotated on its axis just as quickly as Earth. Would you still always see the same side of the moon from Earth?

    asked on February 16, 2016
  78. Math

    Rachel spend $1.20 on her drink. She has now 1/3 of the amount of money that she had before she bought the drink. How much money did she have before she bought a drink?

    asked on May 23, 2013
  79. stat

    Musical styles other than rock and pop are becoming more popular. A survey of college students finds that 34% like country music, 32% like gospel music, and 12% like both. What is the conditional probability (±0.01) that a student likes gospel music,

    asked on April 3, 2011
  80. To Kill A MockingBird ..please help.

    Hi, in to Kill A mockingbird , can you please help me out, and tell me any significant events that happen in CHAPTER 23? I am suppose to explain why the events , important speeches in Chapter 23 are important. All I can really think of is that Attticus

    asked on April 14, 2008
  81. Linear Algebra

    Demonstrate that matrixes M(2x2) with the sum of matrixes is a vector space. I am confused. Do i need to demonstrate each propertie (distributive, associative, etc) for the sum of matrixes or I only need to prove that the sum of matrixes results into

    asked on March 19, 2019
  82. So what about this one bob? Physics

    Which of the following is closer to a guess? hypothesis

    asked on December 29, 2014
  83. physics

    A human being is about 2 meters tall and a cargo train is about 2 kilometers long. How many powers of ten larger is the cargo train than the human being? Select one: a. One b. Three c. Two d. One thousand e. One hundred

    asked on May 7, 2019
  84. chemistry

    How much benzoic acid is still dissolved when 73.53 mL of saturated boiling water is cooled to 20oC. The solubility at 20oC is 0.029g/10mL.

    asked on September 17, 2014
  85. science

    Most of the eastern United States and the West Coast have a climate that is- F)mountain H)desert G)polar J)temperate My answer is temperate, am i right if not please tell me why?

    asked on December 9, 2012
  86. Social Studies

    Upper and Lower Egypt Long, long ago, Egypt was divided. There were two kingdoms in Egypt. They were called Upper Egypt and Lower Egypt. Lower Egypt was the land around the mouth of the Nile River in northern Egypt. Upper Egypt was in the south. It is

    asked on December 12, 2017
  87. Chemistry

    The equation for the best fit line was y = -4058.7x + 16.10. Using the equation of the best fit line, calculate the heat of vaporization (delta H) and the NORMAL BOILING POINT (in Celsius) of this volatile liquid. Calculated: dHvap = 33.7kJ/mol ----> I'm

    asked on February 13, 2015
  88. Physics~ ONE MOREE

    Which of the following must the investigator measure during an experiment? independent variable dependent variable

    asked on December 29, 2014
  89. Algebra

    A boat can go 20 miles against a current in the same times that it can go 60 miles with the current. The current is 4 miles per hour. Find the speed of the boat with no current.

    asked on January 15, 2014
  90. science

    what does low pressure over land and high pressure over water form? A)a sea breeze C)global wind B)a land breeze D)a front My answer is A), am i right? if not please tell me why and your answer.

    asked on November 7, 2012
  91. MATHS

    demand function for kerosene: Kd=a0+a1Pk supply function for kerosene: Ks=b0+b1Pk+b2Pg demand function for gasoline: Gd=c0+c1Pg+u1 (ul here shows a exogenous random shock to the demand of gasoline) supply function for gasoline: Gs=d0+d1Pk+d2Pg a) if

    asked on September 9, 2010
  92. Geo...Help plz. Urgent.

    It is 11:00am at 68W. Using Standard time, calculate the Line of Longitude at 6:00pm.. Help plz. Thanks so much At 11 AM at longitude 68W (in Eastern Maritime Canada's Atlantic Time Zone), at 6 PM you would be 7 time zones (or about 105 degrees) to the

    asked on March 21, 2007
  93. math

    a pancake recipe calls for .75 cups of flour. Linda is making 5 batches. she already has 2.5 cups of flour how many more cups does she need?

    asked on May 2, 2016
  94. Biology

    Which of the following is one role of RNA polymerase during transcription? A- to break down an already existing protein B- to produce a start sequence C- to build a molecule of mRNA D- to switch uracil with thymine on the exposed gene My choice is C.

    asked on December 31, 2014
  95. SS

    Temples were believed to be the homes of the gods. Which of these answer choices best supports this main idea? A. Statues of the gods in the temples were treated as if they were alive. Statues were washed, dressed, and given food. B. People prayed to the

    asked on December 13, 2017
  96. general biology

    Describe how an organism broken down into smaller components?

    asked on September 2, 2016
  97. Math

    Two kids are building a rocket for science class. once the rocket is launched its height in feet, h(t) can be found using the function h(t)=-16t^2+128t where t represents time in seconds. They record the time from the moment the rocket launches until it

    asked on April 17, 2014
  98. Math (help)

    Nikki made 2 gallons of punch with fruit juice and ginger ale. The recipe requires 1 gallons of ginger ale. What percent of the total recipe is fruit juice? A- 50% B- 33 1/3% C- 25% D- 10% I got 50% because u need 1/2 more but the answer is 25 please

    asked on March 22, 2014
  99. algebra

    What is the midpoint of the line segment connecting the points (2,- 3)and (4,9)?

    asked on March 5, 2011
  100. Business law questions? (multiple choice)?

    Farmer J enters into a contract to sell 15,000 bushels of oats to ABC Mills. Flood destroys one-half of his crop. Farmer J a. Is excused from performance od contract because of impossibility b. Is excused from perf of contract because od destruction of

    asked on April 18, 2008


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