1. physics

A man running horizontal road with velocity 8 km/hr. Find the rain falling vertically downward direction. When he increases speed to 12 km/hr he find rain drops are falling at an angle 30' with downward vertically. What will be the velocity of rain?

2. Maths

Three towns p,Q and R are such that the distance between P and Q is 50km and the distance between p and R is 90km.if the bearing of Q from P is 075 and the bearing of R from p is 310, find the distance between Q and R correct to the nearest Km.

3. Physics Really need help!!!

A 3.0-m-long rigid beam with a mass 130 kg is supported at each end. An 90 kg student stands 2.0 m from support 1. How much upward force does support 1 exert on the beam? How much upward force does support 2 exert on the beam?

4. Physics

A uniform metal rod, with a mass of 3.7 kg and a length of 1.2 m, is attached to a wall by a hinge at its base? A horizontal wire bolted to the wall 0.51 m above the base of the rod holds the rod at an angle of 25 degrees above the horizontal. The wire is

5. algebra

If four times a certain number increased by 6 is equal to 94, what is the number? If x represents the number, then which of the following equations could be used to solve the problem? 4x + 6 = 94 or 4(x + 6) = 94

6. Physics

A block attached to a spring with unknown spring constant oscillates with a period of 7.0 s. Parts a to d are independent questions, each referring to the initial situation. What is the period if... The mass is doubled? The mass is halved? The amplitude is

7. statistics

Consider a binomial experiment with 20 trials and probability 0.45 on a single trial. Use the binomial distribution to find the probability of exactly 10 successes. Round your answer to the thousandths place

8. economics

Assuming the inverse demand function for good Z can be written as P = 90 - 3Q, when Q is equal to 5, average revenue and marginal revenue are equal to ________ and ________. Choose one answer. a. \$75; \$75. b. \$75; \$60. c. \$60; \$60. d. \$85; \$85.

9. physics

Two crickets, Chirpy and Milada, jump from the top of a vertical cliff. Chirpy just drops and reaches the ground in 3.50 s, while Milada jumps horizontally with an initial speed of 95.0 cm/s. How far from the base of the cliff will Milada hit the ground?

10. algebra

The weight of a rock sample is measured to be 2.5 pounds. What is the percent of error in the measurement?

11. Math

For a trip a woman packed 8 tops, 4 skirts, and 5 pairs of shoes. How many different outfits can she wear? is it 12/17??

12. physics

the velocity of sound in air is 332m/s. if the unit of length is km and the unit of time is hour,what is the value of velocity?

13. Calculus

Sales of Version 5.0 of a computer software package start out high and decrease exponentially. At time t, in years, the sales are s(t)=20e^-t thousands of dollars per year. After 2 years, Version 6.0 of the software is released and replaces Version 5.0.

14. marketing

1. You are the marketing manager for HP laptop computers. Identify and briefly discuss the differences between the consumer market for laptops and the business market. Then give an example of each difference using college students as the consumer market

15. english

write a letter to your grandparents asking them to you come and stay with you for a few days.

16. Math

A card is selected from a standard deck of 52 playing cards. A standard deck of cards has 12 face cards and four Aces (Aces are not face cards). Find the probability of selecting ·an eight given the card is a not a face card. ·a club given the card is

Evaluate 5C3

18. Trig

A car is traveling at a speed of 55 mph with a bearing of 210°. What vector represents the velocity?

19. java

Write a menu driven program that either accepts words and their meanings, or displays the list of words in lexicographical order (i.e. as in a dictionary). When an entry is to be added to the dictionary you must first enter the word as one string, and then

20. math

A race car driver starts along a 50-mile race course traveling at an average speed of 90 mph. Fifteen minutes later a second driver starts along the same course at an average speed of 120 mph. Will the second car overtake the first car before the drivers

21. literary

Is walter mitty a hero or coward?

22. Algebra

An alligators tail length, T varies directly as its body length, B. An alligator with a body length of 5.4 feet has a tail length of 4.8 feet. what is the tail length of an alligator whose body length is 4.5 feet? In desperate need of solving this!

23. math

suppose 250mg of a drug is injected into a persons bloodstream. as the drug is metabolized, the quantity diminishes at the continuous rate of 4% per hour. by what percent does the drug level decrease during any given hour? (find the effective hourly rate)

24. calculus

How do I solve 3xy^3dy/dx=y^2x^2+5x^3y+y^4

25. comp

To acquire your credit report you can request a free copy from one of three credit bureaus Experian, Equifax, or Transunion. These companies can be contacted by U.S. mail, phone or through their websites. When reviewing your credit report you should check

26. maths

Use crammers rule to solve the system of linear equations 3x+2y-z = 0 2x-y+z = 1 x-y+2y= -1

27. algebra

The mass of neptune is about 1.03x10^23 metric tons. The mass of the sun is about 1.998x10^27 metric tons. About how many times the mass of Neptune is the mass of the sun? Give answer in scientific notation. The mass of the sun is about___times the mass of

28. Math

Math help please? Eric, Jose, Shannon, and Jackie wanted to plant a garden. Jose’s dad said they could use a rectangular space in the backyard that was 8 m by 4 m. The friends decided they would first like to make a colorful border for the garden using

29. Intermediate Algebra

To buy both a new car and a new house, Tina sought two loans totalling \$78,825. The simple interest rate on the first loan was 0.2%, while the simple interest rate on the second loan was 5.0%. At the end of the first year, Tina paid a combined interest

30. mathematics

use inverse method to solve the system of linear equations x+y+z-4 =0 2x-3y+4y-33=0 3x -2y -2z -2= 0

31. chemistry

What is the molarity of the solution that results when 60g NaOH is added to enough water to make 500mL solution?

32. maths

how do I solve 3xy^3dy/dx=y^2x^2+5x^3y+y^4

33. Finance:capital budget

I am suppose to write a 1400 word paper based on the purchase of three new trucks costing \$30,000 each and \$10,000 of equipment for each one, with the life expansion of the trucks to be 5 years by calculating the firms' required return using the capital

34. chemistry

does a mixture of carbonic acid, H2CO3, a weak acid, and sodium bicarbonate, NaHCO3 in water constitute a buffer? If no explain why

35. math

what is 8.68 in scientific notation

36. Math

Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A)

37. Algebra

y = -4 find the y coordinates of the points (-1) (2) and (-3)

38. chemistry

Serine exists in its zwitterion form at a pH of 5.7. Draw the structural formula for the same. Explain the manner in which the structural formula of polar and non-polar amino acids would vary.

40. science

answer to water conductance lab on conductivity of solutionof 500ppm of nacl,1,000 ppm of nacl,5,000ppm og nacl and 10,000ppm of nacl

41. algebra

solve by factoring 2a^2-3a=-5

42. EnglishP

I am writing a speech on aggressive driving. Here is my thesis statement: Proving that aggressive driving is a growing epidemic across our country is easy, but convincing drivers that there are better ways to handle “Road Rage” is a different story.

43. algebra

Solve, 0.7x+4 is equal to or less than 1.1x-7 Simplify your answer. Type and inequality symbol; then type an integer or a decimal. The solution is {x x ___ ____}

44. physics

1 A steel wire, 150 m long at 10¢XC, has a coefficient of linear expansion of 11 „e 10ƒ{6/C¢X. Give its change in length as the temperature changes from 10„aC to 45„aC. 5.8 cm

45. Math

Please help me with this..I am very puzzled. Josh is building a wooden box for a darkling beetle habitat. If the area of the bottom of the box is 576 cm2 and the shortest side is longer than 10 cm, what are all the possible length and width combinations?

46. HELP

Please help i cant get right.Bayside Insurance offers two health plans. Under plan A, Gisielle would pay the first \$110 of her medical bills plus 35% of the rest. Under plan B, Gisielle would pay the first \$170, but only 25% of the rest. For what amount of

47. art

What is meaning of "truth" in terms of the photographer's art?

48. math

Solve: x(x-3)=x-9 Is this correct? Thanks x^2 - 3x = x - 9 x^2 - 3x -x = 9 x^2 - 4x - 9 = 0

49. Math-confused!

A bag contains 7 lavender marbles, 11 turquoise marbles and 5 rainbow marbles. What is the chance of drawing a lavender marble? If a lavender marble is drawn then placed back into the bag, and a second marble is drawn, what is the probability of drawing a

50. math

solve by factoring 2a^2+3=7a Thanks

51. geometry

prove: the segment joining the midpoints of the two sides of a triangle is parallel to the third side. the coordinates are A(0,0)B(a,0)on the the x axis, and C(c,d), M is midpoint and the coordinates of M is (c/2,d/2) and N is also a midpoint whose

52. Physics

If a tank is standing up i.e 1.200 dia x 1.100 high with 650 kg inside, How much water pressure to lift it Cheers

53. java programing

Write a program that evaluates the volume and surface area of a sphere of radius 11.2cm.

54. us history

What is the significance of Alexander Hamilton’s financial program? · How did Hamilton’s financial program play a role in the creation of a two-party political system?

55. Clinical Procedures

When assisting a young child in preparation for a physical examination,you should A. leave the room while he or she undresses B. keep the child in plain view to ensure patient's safety C. ask the child to stand in the hallway while you prepare the examing

56. Anatomy

The tricuspid valve is closed: A. during the rapid filling of the ventricles B. when the mitral valve is closed C. while the atria are contracting D. during the ejection of blood from the ventricles I think the answer is A but not completely sure.

57. geometry

Determine whether or not the given side lengths will form a right triangle.15, 11, and 2 radical 26.

58. Real Estate Law

Rights that are associated with ownership of property and the effect that these rights may have on property are known as: (Points: 5) interest in property. ownership rights. property. title. I think its (C)

59. Real Estate Law

Ownership rights that are associated with ownership of property include: (Points: 5) no rights at all. the right to lease it. the right to burn it down. the right to destroy it if someone else wants it. I think its (b)

60. Social Studies

Who is most of the work on legislation in congress is done by?

61. History

Almost all governments include four major power structures that assist in the running of the state. Define these structures and discuss how they evolved and their importance to the stability of governmental authority.

62. math

how can i make the Protein content equal the same %. what did i do wrong? Breakfast: Flour protein Fat content = 2 grams 1 gram contains fat of 9 calories 2 grams contain fat of 9 x 2 = 18 calories Total quantity = 162 calories Fat content = (18/162) x 100

63. math

how can i make the content equal the same %? what did i do wrong? Dinner: Chicken role protein Fat content = 2.5 grams 1 gram contains fat of 9 calories 2 grams contain fat of 9 x 2.5 = 22.5 calories Total quantity = 400 calories Fat content = (22.5/400) x

64. chem

How many mLs of a stock solution of 1 M NH4NO3 do you need to get 0.001 M of Nitrogen in 22 liters of water?

65. College Algebra

The total revenue R in dollars from selling tops for P dollars each is given by R= P(200-p) where P < or = 200. Find R when P = \$200 Find P when R = \$7500

66. Economics

The main reason producers make things is to A. make a profit on them. C. help the economy. B. overcome shortages. D. pay taxes

67. Math

In how many ways can 10 instructors be assigned to seven sections of a course in mathematics? would it be 10/7 = 1.43??

(y-3)(y-6)=0

69. macro economics

For each event, illustrate the impact on the relevant market and determine what will happen to the equilibrium price and quantity in that market. (40 points – 10 points per line item) Event Market for: Show which curve shifts Equilibrium price rise or

Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A)

71. chemistry

a solution is prepared by dissolving 02.50 mole of Ba(OH)2 in enough water to get 4.00 L of solution. What are the OH- and H3O+ molar concentrations?

72. Chemistry

What is the value of the equilibrium constant for the dissociation of acetic acid's proton? What does this value tell you?

73. engineering

which problem occur in distillation tower?

74. English

Revise the following sentences to remove all pronoun errors. 41. When a police officer fires his gun, he must fill out a lot of paperwork. 42. When a teacher writes an exam, they think about what aspects of student learning they want to test.

75. Asian Studies

Dicuss the industry of working americans and how it concerns Anti- Asian Violence?

76. english

How can I write scientific reports in third person (without saying I for example)

77. Algebra

Tricia and janine are roommates and leave Houston on Interstate 10 at the same time to visit their families for a long weekend. Tricia travels west and Janine travels east. If Tricia's average speed is 12 mph faster than Janine's, find the speed of each if

78. English

Imagine that you were a fruit tree. What kind of fruit tree would you be? 1. I would be a mango tree. 2. I would like to be a mango tree. (Which answer is correct? Are both correct?) Do you think you would be happy as a flower? Why? - Yes, I would be happy

79. math

The sum of first 13th term as G.P. Is 21 and the sum of 21th term in 13. find the sum of first 34th terms.

80. com/156

how effectively does the essay persuaded you. Universal Health Care Coverage for the U.S. The United States is the only modernized Western nation that does not offer publically funded health care to all its citizens; the costs of health care for the

81. Chemistry

How do the number of electrons found in the element’s outer shell relate to their position in the period table? -- I have an idea, but I'm not sure how to verbalize it, can you please help? Thanks! :)

82. chemistry(:

What happened to the outer electrons of H and O to form water?

83. algebra

solve 4/5(2x-3)>12 The solution set is

84. Math

Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A)

85. algebra

The total revenue R in dollars from selling tops for P dollars each is given by R= p(200-9) where p< or = 200. a) Find R when P = \$200 Find P when R = \$7500

86. American Government

What was the process of political learning in the United States?

87. English

Can you please check these statements? Thank you. 1) My child likes throwing (tossing?) things into the air. He doesn't seem to bother with the consequences of his actions. 2) He spends most of his time playing with his Pokemon cards or with marbles. 3) In

88. math

how can i make the content equal the same %? what did i do wrong? Lunch: Ground nut protein Fat content = 3.5 grams 1 gram contains fat of 9 calories 2 grams contain fat of 9 x 3.5 = 31.5 calories Total quantity = 320 calories Fat content = (31.5/320) x

89. chem

How many mLs of a stock solution of 1 M NH4NO3 do you need to get 0.001 M of Nitrogen in 22 liters of water?

90. Math-Can you help me Damon or Reiny?

Consider the Venn diagram below. The numbers in the regions of the circle indicate the number of items that belong to that region. (2 intersecting circles A & B, where A part is 50, B part is 110, and the intersecting part is 40) Determine: n(A) n(B) P(A)

91. MATH

In how many different ways can the top eight new indie bands be ranked on a top eight list? The top hit song for each of the eight bands will compete to receive monetary awards of \$1000, \$500 and \$250, respectively. In how many ways can the awards be given

92. calculus

F(x)=square root(27x-x^4)

93. algebra

The current I in an electrical conductor varies inversely as the resistance R of the conductor. The current is 6 amperes when resistance is 940 ohms. What is the current when the resistance is 550 ohms?

94. algebra

solve 15t^2+7t=2

95. algebra

write the substirution that could be used to make each equation quadratic in u. For w^1/3- 3w^1/6+8=0,use w=

96. math

If 0 less than x less than y and x over y = r, which of the following must be equal to (x + y) over x ?

97. Algebra

4x squared+9x+5=0?

98. intermediate algebra

In solving the equation (x-1)(x+2)=30. Eric stated that the solution would be x-1=30¨T¡úx=31 or(x-2)¨T30¨T¡úx=32 However, at least on of these solutions fails to work when subsitituted back into the orignal equation. Why is that? Please help Eric to

99. Philosophy

Explain what logic can and cannot do

100. intermediate algebra

if a stone is tossed from the top of a 310 meter building, the height of the stone as a function of time is given by h(t)=-9.8t^2-10t+310. where t is in seconds, and height is in meters. After how many seconds will the stone hit the ground? Round to the

101. Philosophy

What kinds of questions and topics are not decided by logical analysis?

102. statistics

How do you create a set of 6 data points such that the variance is sixteen and the standard deviation is four and the mean is ten.

103. Eth/125

I need to find current events that talk about changing the policies of the treatment Arab and Muslim?

Evaluate 5C3