# Anonymous

Questions and responses by Anonymous, page 76
1. ## math

a ball is dropped from a height of 3 meters. It bounces to 2/3 of the height from which it fell at each boune.find distance travelled

a square photo display board is made up of 60 rows of 60 photos each. the area of each square is 4 in. how long is each side of the display board?

3. ## math

Ricky has a total of 64 pennies and quarters in a jar. He has 34 more pennies than quarters. How much money does ricky have in the jar

4. ## science

Compute the density in g/cm3 of a piece of metal that has a mass of 0.345 kg and a volume of 59 cm3

The Garcia Company’s bonds have a face value of \$1,000, will mature in 10 years, and carry a coupon rate of 16 percent. Assume interest payments are made semiannually.

6. ## physics

the diameter of the moon is 3480 km. A.)what is the surface area of the moon? B.)how many times larger is the surface area of earth?

7. ## math

Without using mathematical table or calculator evaluate 0.18x12.5/0.05x0.2?

8. ## statistics

According to a survey, only 20% of customers who visited the web site of a major retail store made a purchase. Random samples of size 50 are selected.Tthe mean of all the sample proportions of customers who will make a purchase after visiting the web site

9. ## math

ATM personal identification number PIN codes typically consist of four-digit sequences of numbers. Find the probability that if you forget your PIN, you can guess correct sequence if you recall the two digits

10. ## MATH

find the slope,if any, of the line perpendicular to the line through the points (2,-7) and (3,4). i need to show my work!. i got 11 as my answer but i think its wrong.:(

11. ## Science

A piece of magnesium ribbon weight 24g is burn in air an 40g magnesium oxide is formed. What mass of oxygen combined with the magnesium in this reaction

12. ## math

the distance between DELHI TO Meerut is 75km two trains speed of 100km/h & 80 km/h leave the two station at 8am towards each other at what time will they pass each other

13. ## Physics

A gun is fired parallel to the ground. At the same instant, a bullet of equal size and mass next to the muzzle is released and drops to the ground. Which hits the ground first and why? I think that the bullets will hit the ground at the same time because

14. ## quant

The president of Pegasus Corporation is trying to decide which of three candidates (denoted as candidates A, B, and C) to hire as the firm’s new vice president of Marketing. The primary criteria the president is considering are each candidate’s

15. ## Calc

Give a 4-term left Riemann sum approximation for the integral below. 16 ⌠ 3*((x+2)^(1/2)) ⌡ 12

16. ## Calculus Help

The deal your assistant signs calls for the sale of a minimum of 260 chairs and up to 410 chairs. The price will be \$88 per chair if only 260 chairs are bought, but will be discounted by \$0.2 per chair (on the entire order) for every chair ordered in

17. ## Social Studies

what was the location of George Washington's home? I think it is Mount Vernon, but from research I see he also lives at Pope's Creek where he was born, and Ferry Farm on the Rappahannock River where he spent much of his youth.

18. ## Physics

Consider two cases in which the same ball is thrown against a wall with the same initial velocity. In case A, the ball sticks to the wall and does not bounce.In Case B, the ball bounces back with the same speed that it came with. a.) In which of the two

19. ## Physics

A railroad car with a mass of 12400 kg collides and couples with a second car of mass 18700 kg that is initially at rest. The first car is moving with a speed of 7.7 m/s prior to the collision. (a) What is the initial momentum of the first car? (b) If

One of the most frequent causes of game protests is: Use of officials without ratings Poor sportsmanship of spectators Use of ineligible players Failure to pay agreed fees Dishonesty of officials

21. ## math

How much is 7.25 kg at \$20 per kilogram?

22. ## Algebra 2

Every day, there are 5 times more likes on an internet video of a dog which is modeled by the function c(n) = (5)n − 1, where n is the number of days since the video posted. On the first day, there were 103 likes. What is the function that shows the

23. ## programming

I need a help regarding this. Compute and display the sum o 1st and 2nd number, Difference of sum and 3rd number, product of difference and 4th number, Quotient of product and 5th number using Eclipse Helios. My subject is OOP

24. ## organic chemistry

1. Arrange the following in order of decreasing reactivity toward nitration. Fully explain please I could use some help!! A. acentanilide, b. bromobenzene, C. acetophenone, D. toluene 2. Explain why p-nitrophenol is a stronger acid than phenol itself?

25. ## medical billing

if an institutional review board is involved in a request information, the information is likely by a

26. ## math

Approximately how much principal would need to be placed into an account earning 3.575% interest compounded quarterly so that it has an accumulated value of \$68,000 at the end of 30 years?

27. ## algebra 2

The height of an arrow shot in the air is given by the function h(t)=-16t^2+144t+24, where h(t) represents the height in feet, and t represents the time in seconds. what is the maximum height of the arrow? how long does it take to reach the maximum height?

28. ## whole number

At the end of the year, a library reported 32 books lost or stolen, and 24 books were sent out for repair. If the library originally had 1,219 books, how many were left on the shelves or in circulation?

29. ## Physics

3) What is the emf of a battery with an internal resistance of 0.15 if the battery delivers 1.5 A to an externally connected 5.0 resistors?

30. ## physics

A motorist is driving at a constant velocity of 28 m/s when he decides to pass a car that is in front of him. He accelerates at a rate of 2.5 m/s2 for 3.0 seconds while passing the car. What is his velocity at the end of the 3.0 seconds?

31. ## Civics

In The Wealth of Nations, Adam Smith mentions that very good grapes could be grown in Scotland. However, growing high quality grapdes in Scotland would be about 30 times as expensive as purchasing grapes from foreign countries. Some nations are better than

32. ## biology

A bacterial strain divides once every 30 minutes. After 90 minutes, a single bacterium can form a total of ___ bacteria

33. ## boring math

A business purchases a piece of equipment for \$25000. The equipment will be replaced in 10 years at which time its salvage value is expected to be \$2000. Write linear equation giving the value V of the equipment during the 10years.

34. ## physics

A passenger on a train notices that a 2.00 kg mass is displaced 10.0° from the vertical as the train accelerates. (a) What is the acceleration of the train? (b) What would the acceleration be if the mass was 5.00 kg? c. What would angle have to be to

35. ## math

a man is in a boat 2 miles from the nearest point on the coast. He is to go to point q, 3 miles down the coast and 1 mile inland. If he can row at 2 mi/h and walk 4 mi/h toward what point on the coast should he row in order to reach point q in the least

I have about 5 homework problem that I am stuck on! please help me. The first of 5 is: A rectangular garden is 20 ft longer than it is wide. Its area is 8000 ft{}^2. What are its dimensions? Im not even sure where to start with this one. Next #2: The area

37. ## math problem

Find an equation of the line that passes through two points. (0,4) and (7,10)

38. ## math HELP!!!!!!

2. Researchers at Jackson Hospital asked 40 randomly selected patients about their sleep habits. Sixteen reported sleeping 8 hours or more each night. If their are 700 patients in the hospital, estimate the number of patients who sleep 8 hours or more each

39. ## College Algebra

I'm sorry I wrote the problem wrong previously. "The equation x^2-9x-1=0 has 2 solutions A and B. Where A < B. x^2-9x-1=0 (x-9)x=1 x^2=9x+1 (x-9/2)^2-85/4=0 Solutions x=1/2(9- sq root 85) and x=1/2(9 + sq root 85) I also have a second similar problem.

40. ## rounding to the nearest meter

51.423 rounded to the nearest meter is 51? or 51.4

41. ## help

A person standing 34 meters from the foot of a chimney finds that the measure of the angle of elevation to the top of the chimney is 52 degrees. To the nearest tenth of a meter, find the height of the chimney.

42. ## College Algebra

Wilma drove at an average speed of 35 mi/h from her home in City A to visit her sister in City B. She stayed in City B 15 hours, and on the trip back averaged 50 mi/h. She returned home 41 hours after leaving. How many miles is City A from City B Distance

43. ## Algebra 1

Simplify the following rational expression: 6w^2 + 11w - 7/6w - 3

44. ## LA

What are some Disney movies that portray the American dream?

45. ## Statistics

A confidence interval for a population mean has a margin of error of 3.1. a)Determine the length of the confidence interval. b)If the sample mean is 56.7, obtain the confidence interval.

46. ## chemistry

name the compound CH3CH=C(CH3)CH(CH3)2.

47. ## English

What punctuation is missing from the sentence below? I didn't bring Tom, my younger cat, or Anne, my young hamster I did bring Taylor, my parrot. A. Comma B. Apostrophe D. Hyphen C. Colon B?

48. ## chemistry

The decomposition of N2O5 proceeds according to the following equation 2 N2O5(g) → 4 NO2(g) + O2(g). The rate constant, k, for the reaction at 298 K is 2.20 x 10-3 min-1. If a reaction is set up in a vessel at 298 K, with an initial concentration of

49. ## Algebra :)

Tammy will donate up to \$480 to charity. The money will be divided between two charities: the City Youth Fund and the Educational Growth Foundation. Tammy would like to donate at least \$140 dollars to the Educational Growth Foundation. She would also like

50. ## Algebra

1) Given the arithmetic sequence an = 4 - 3(n - 1), what is the domain for n? All integers where n ≥ 1 All integers where n > 1 All integers where n ≤ 4 All integers where n ≥ 4 2) What is the 6th term of the geometric sequence where a1 = 1,024 and

52. ## physics

Oxygen diffuses from the surface of insects to the interior through tiny tubes called tracheae. An average trachea is about 2mm long and has cross-sectional area of 2×10−9m^2. Assuming the concentration of oxygen inside is half what it is outside in the

Calculate for the electrochemical cell below, Ag(s) | AgCl(s) | Cl–(aq) || Cu2+(aq) | Cu(s) given the following standard reduction potentials. Cu2+(aq) + 2 e– -> Cu(s) E = +0.337 V AgCl(s) + e– -> Ag(s) + Cl–(aq) E = +0.222 V a. –0.115 V b.

54. ## Physic

A massless rope is wrapped around a hollow cylinder of radius 23 cm whose central axis is fixed in a horizontal position. A mass of 3.8 kg hangs from the rope and, starting from rest, moves 137 cm in 2.2 s. What is the mass of the cylinder? (Answer: 62kg)

55. ## Science

Explain the energy transformations during skydiving? please note: that I need to EXPLAIN!!! Thank you very much in advance...your help is very much appreciated!! x

56. ## english

Which propaganda technique is used in this sentence? The candidate I endorse believes to his very soul that this change would destroy this lovely community and its soul by disrupting you, its heart and soul.

57. ## math

Evaluate: 2 to the fourth power + 2 to the third power

58. ## science

Which of the following illustrates mechanical weathering? A. Carbonic acid weathers marble limestone B.As plants grow, they produce weak acids that slowly dissolve rock C.Oxidation causes weathering in rock

59. ## Chemistry

What is the de Broglie wavelength of an electron traveling at 1.26×105m/s ?

60. ## calculus help

A particle is moving with the given data. Find the position of the particle. a(t)= (t^2 - 5t +7) , s(0)=0 , s(1)=20 Thanks!

61. ## chemistry

consider the following equilibrium. 4NH3(g) +3O2(g) 2N2(g) + 6H2O(g) suppose 0.30mol of NH3 and 0.40mol of oxygen are added to a 5.0L container. If x mol of water is present at equilibrium, what is the equilibrium concentration of oxygen?

62. ## Language arts verbs

Aaron plans to attend college once he completes this course workbook

63. ## physics

A small ball with a mass of 0.05 kg moves along a circular orbit with a radius of 0.9 m at a speed of 9.0 m/s. What is the angular momentum of the ball? If the angular momentum of this ball were quantized in the same manner as the angular momentum of

64. ## English Help Please!!! Check!!

Memo Edit Today, Rite Properties needs to send a memo to the residents of The Plaza, an apartment complex they own. Review the memo thoroughly, then edit it for writing style (cohesion, concision, clarity, diction, and variety) AND professional tone and

65. ## math

Question 12.12. Katie had an unpaid balance of \$1,734.50 on her credit card statement at the beginning of January. She made a payment of \$165.00 during the month. If the interest rate on Katie's credit card was 7% per month on the unpaid balance, find the

66. ## physics

What is the de Broglie wavelength of a 5.0-eV electron?

67. ## science

A car driver accelerates to a speed of 35 mph and then takes her foot off the pedal. Even though she does not press the brake pedal at any time, she eventually rolls to a stop. What causes that?

68. ## physics

A hammer with 10 J of kinetic energy hits a nail and pushes it 5.0 mm into a plank. Both the hammer and nail come to rest after the collision. What is the average force that acts on the nail while it moves the 5.0 mm?

69. ## physics 1

A person is sitting with one leg outstretched and stationary, so that it makes an angle of 30.0° with the horizontal, as the drawing indicates. The weight of the leg below the knee is 50.5 N, with the center of gravity located below the knee joint. The

70. ## chemistry

You have been asked to do a dilution of a copper sulfate solution. The solution to be diluted is 2.88 M copper sulfate. What volume of the 2.88 M copper sulfate is required to make 250 mL of 1.03 M copper sulfate solution?

Which chemical equation is balanced? (1 point) H20 H2 + 2O2 2H20 2H2 + O2 2H2O H2 + 2O2 H20 2H2 + 2O2 i think its c

72. ## GEOMETRY

The picture below shows a container that Rene uses to freeze water. A cylinder is shown with base diameter of 6 centimeters and the height as 8 centimeters. What is the minimum number of identical containers that Rene would need to make 2000 cm3 of ice?

73. ## physics

A baseball pitcher throws a baseball horizontally at a linear speed of 41.3 m/s. Before being caught, the baseball travels a horizontal distance of 15.4 m and rotates through an angle of 52.7 rad. The baseball has a radius of 3.74 cm and is rotating about

74. ## math

The balance sheet is used to project future cash receipts t or f

75. ## Educational tech-1 question

What is the difference between tangible and intangible property? Tangible and intangible property are both covered by intellectual property protections. Tangible property is covered by intellectual property protections, but intangible property is not.

76. ## Help plz!!!

Which of the following terms refers to legal protection provided against copying, distributing, performing, or changing both published and unpublished works? intangible property tangible property copyright*** intellectual property 2. What is piracy? the

77. ## chemistry

When 0.451g of biphenyl (C12H10) undergoes combustion in a bomb calorimeter, the temperature rises from 26.7∘C to 29.6∘C.Find ΔErxn for the combustion of biphenyl in kJ/mol biphenyl. The heat capacity of the bomb calorimeter, determined in a separate

78. ## trig

Help! Ships A and B leave port at the same time and sail on straight paths making an angle of 60 degrees with each other. HOw far apart are the ships at the end of 1 hour if the speed of ship A is 25 km/h and that of ship B is 15 km/h?

79. ## Science

What tool is used to capture the energy in sunlight?

80. ## English

Which is President Kennedy’s intent when using questions in the last paragraph of this excerpt?

81. ## Math

your class is conducting an experiment to study geometric sequences. The class forms a line. the first person takes a whole pizza,divides it in half, keeps half, and hands it to the next person. The next people in line do the same with there peices. Which

82. ## survey math 140

a textbook search is considering 19 books for possible adoption. the committee has decided to select 5 of the 19 for furture consideration in how many way can id do so

83. ## ALGEBRA

EVA IS JUMPING ON A TRAMPOLINE .HER HEIGHT H AT TIME T CAN BE MODELED BY THE EQUATION H=-16T^2+20T+6.WOULD EVA REACH A HEIGHT OF 14 FEET

84. ## physics

a spaceship is moving at 1000 m/s release a satellite of mass 1000 kg at a speed of 10 000 m/s. what is the mass of the spaceship if it slows down to a velocity of 910 m/s?

85. ## French

What is the difference between "rue" and "roue" in pronunciation?

86. ## biology

What graphic could you use to best show the checkpoints in the cell cycle? a. line graph b. bar graph c. flowchart d. map I'm not sure, I think it's c?

87. ## math

holly's garden is divided into 5 equal sections. she will fence the garden into 3 areas by grouping some equal sections together. what part of the garden could each fenced area be?

88. ## Introduction to Computers

what type of memory or storage device is prone to losing data if the power goes out? A. A USB stick B. An External Drive C. A DDR SDRAM module D. A SATA drive

89. ## physics

A missile of mass 1.20 102 kg is fired from a plane of mass 5.50 103 kg initially moving at a speed of 3.05 102 m/s. If the speed of the missile relative to the plane is 1.21 103 m/s, what is the final velocity of the plane?

90. ## math

Solve the following problem using 6.2%, up to \$106,800, for social security tax and 1.45%, no wage limit, for Medicare tax. Kristy Dunaway has biweekly gross earnings of \$1,750. What are her total social security and Medicare tax withholdings for a whole

91. ## Grammar

Complete the form as soon as possible, but no later than March 23th. Complete the form as soon as possible, but not later than March 23rd. Which sentence is correct?

92. ## Math

Write a division equation that has a solution of -20

93. ## k

A pole-vaulter just clears the bar at 4.07 m and falls back to the ground. The change in the vaulter's potential energy during the fall is -3900 J. What is his weight?

94. ## Physics

What is his kinetic energy when his potential energy reduces to 1000 J? Express your answer to two significant figures and include the appropriate units

96. ## math

what is the equation in point-slope form for the line parallel to y=-2x+10 that contains j(6,8)?

97. ## chemistry

The equilibrium constant, Kp, for the following reaction is 2.74 at 1150 K. Calculate Kc for this reaction at this temperature. 2SO3(g) 2SO2(g) + O2(g)

98. ## math

Paul Curcio earns \$8.25 per hour for regular time up to 40 hours, time-and-a-half for overtime, and double time for the midnight shift. Last week Paul worked 58 hours, including 6 on the midnight shift. What are his gross earnings?