Questions Asked onJuly 19, 2011

1. life oriantation

provide recommendations on how to address teenage pregnancy

2. computers

. Explain the following unexpected result: \$ whereis date date: /bin/date ... \$ echo \$PATH .:/usr/local/bin:/usr/bin:/bin \$ cat > date echo "This is my own version of date." \$ ./date Fri May 22 11:45:49 PDT 2009

3. Calculus

find the exact value of sin 11pi/12 using the sum or difference formula.

4. life oriantation

in 10-15 lines critically discuss 10 ways in which the teenage pregnancy impact on the community.provide relevant sources to support your claims

5. biology help

color blindness is a sex linked disorder caused by recessive allele on the X chromosome. XC= normal vision. Xc= color blind. if a normal vision man marries a color blind woman, what are the chances that they will have a color blind son? what a color blind

6. algebra

solve by factoring 2a² - 3a = -5

7. Math

A football player is attempting a field goal. The angle formed by the player's position on the field and the line of sight to each upright is 33o. If the distances to the uprights are 7.5 m and 10.0 m, calculate the width of the uprights.

8. Chemistry

Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celsius. At what temperature does benzene boil when the external pressure is 480 torr? Can someone show me an equation and how to solve this?

9. To Michael: Culinary Arts

This is not a homework-dump forum. I've removed your last four posts and will continue to remove additional posts until you show some evidence of trying to help yourself.

asked by Ms. Sue
10. human resource management

What is the purpose of the process component of the LAMP model? a) To make the insights gained as a result of costing employee absenteeism actionable b) To measure the effectiveness of the HR department c) To show how to assess the costs and benefits of

11. Math

Jessica Zelinka, a Canadian heptathlete won a gold medal in javelin throw at the Pan American games in 2007. Suppose h(t)= -5t^2+15t+1 represents the approximate height, in meters, of a javelin t seconds after it is thrown. a) Write a statement that

12. chem

a mixture of NaBr & NaCl has a mass of 2g & found to contain 0.75g of Na. What is the mass of NaBr in the mixture?

13. physics

Five boxes, each having weigh 100N, are stacked up. The bottom box is the fith from the top. What is the magnitude of the normal drove upward exerted by the fourth box from the top on the third box from the top

14. Statics

Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overall health and physical activity of an individual. Suppose that a random

15. chemistry

555 mL sample of nitrous oxide at 25 degree celsius is heated to 50 degrees celsius. If the pressure remains constant, what is the final volume?

16. Chemistry

The rate constant for this first order reaction is 0.0470s-1 at 400 C. A to products After how many secs will 11.0% of the reactant remain?

17. Chemistry

True or false 1. The energy of a collision between atoms or molecules must be greater than the activation energy for bonds to be broken? 2. Decreasing the temperature decreases the kinetic energy of the reactant, and the reaction goes more slowly? 3. two

18. physics

A satellites are placed in a circular orbit that is 2.44 × 107 m above the surface of the earth. What is the magnitude of the acceleration due to gravity at this distance?

19. Math

A clock loses 12 minutes every hour. If it is correctly set at 3:00, in how many hours will it next show the correct time?

20. child development and human behavior

attempts at suicide are more common in girls or is it a result of generativity?

21. Math

In a multiple-choice test, each question has five options. Students will get 5 points for each correct answer; lose 2 point for each incorrect answer; and receive no points for unanswered questions. A student does not know the correct answer for one

22. world history

which of the following was an effect of militarism in europe in the late 1800s? nations made political and military alliances. b)strong governments developed. c)nations made economic alliances. d)political tension between nations was reduced.

23. Calculus

The number of people taking the bus at price p dollars per ticket is given by x=5000(5-p)^1/2. For what value of P is the demand unitary?

24. Math

A ski resort is installing tows on its new ski runs. The baby hill has a vertical height of 500.0 m and is inclined at 42o. Determine the appropriate length of the T-bar cable if it goes to the top of the hill and returns.

25. Math-probability

One card is selected at random from a deck of cards. Determine the probability that the card is a black heart.

26. Phys Science

Good afternoon tutors..I need help on a few problems.Im really stuck.. 1) the space shuttle orbits at an altitude of approximately 200km above the surface of the earth. If the radius of the earth itself is 6380km, whats the acceleration de to gravity at

27. life oriantation

name two institutions/community organiszations that are involved in supporting or giving redress to this disasters(teenage pregnancy).explain how these organizations are involved in providing a safe and healthy enviroment.(suggestion:find out about ngo's

28. Physics

A curve of radius 161 m is banked at an angle of 12°. An 840-kg car negotiates the curve at 94 km/h without skidding. Neglect the effects of air drag and rolling friction. Find the following. (a) the normal force exerted by the pavement on the tires (b)

29. math

If \$690 is invested in an account that earns 20.75%, compounded annually, what will the account balance be after 25 years? (Round your answer to the nearest cent.)

30. Science(physics)

A stone falls from rest for 8.0 second. a.)Calculate the stones velocity after 8.o second

asked by Rhea Mae
31. phys sci

the space shuttle orbits at an altitude of approximately 200 km above the surface of the earth. If the radius of the earth itself is 6380km, what is the acceleration due to gravity at the altitude ofthe space shuttle?

32. Math

Mr. Doodle’s grade distribution over the past 3 years for a course in college algebra is shown in the chart below. Grade Number A 45 B 180 C 110 D 95 F 65 I 5 If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical

33. Trig

Find an equation for the hyperbola described. Foci at (-4,0) and (4,0); asymptote the line y= -x. Please explain the steps of this problem. My book does not get an example of this type of problem and I'm not having any luck working this problem.

34. physics

An object(A) of mass 0.2kg strikes a second object (B) of mass 0.35kg that is initially at rest. Mass A has an initial velocity of +3m/s. A) Assume that the collision is entirely inelastic. calculate the final state for these objects. calculate the total

35. Culinary Arts

Explain how a pan's surface affects the outcome of the baked product?

36. algebra

the area of a rectangle is 425 square feet. if the perimeter is 84 feet, find the length and the width of the rectangle

37. Math

In the United States, more male babies are born than female. In 2004, 2,104,661 males were born and 2,007,391 females were born. Determine the empirical probability of an individual being born a) male. b) female.

38. physics

A 8 V flashlight battery has an internal resistance of 1.7 Ω when new, and 8 Ω when old. Imagine this is a resistor in series with the battery mounted INSIDE the battery itself, which describes the chemical degradation of the battery with age. Calculate

39. Algebra

Is f(x) = 16 - 14x - 10x^2 - 19x^3 + 18x^4 a polynomial?

40. Chemistry

The rate constant for this first order reaction is 0.440s-1at 400 C. A to products How long(in seconds) would it take for the concentration of A to decrease from 0.740 M to 0.290 M?

41. Phys Sci

a marble is launched off of a 1.3m high horizontal table with a velocity of 7.2m/sec how far away from the table will the marble land? how long does it takes to hit the floor?

42. physical science

im sorry but im notiing others are gettin help before me with math, algebra, and i honestly think its being done on purpose..just because i keep asking.im justy worried about my test that is coming up..i honestly need help

43. Math

30 basketballs (15 Spalding, 10 Wilson, and 5 other brand-name balls) are on a basketball court. Barry Wood closes his eyes and arbitrarily picks up a ball from the court. Determine the probability that the ball selected is a Wilson or a Spalding.

44. psychology

The matching law practice question Lever A: 1 food pellet on a VI 48s schedule Lever B: 1 food pellet on a VI 30s schedule Session Length = 2 hours Total # Responses = 925 How many responses on Lever A?

45. statistics

For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The

46. com 156

need help with writing a thesis statement on renting an apartment is better than buying a house.

47. Writing

Help me create a better thesis statement than this: Three arguments can be identified in “The Private History of a Campaign That Failed” that support the idea that war isn’t for everyone.

48. Algebra

John rented a van for \$250 for the week plus \$.20 a mile. How far can John driveifhe only wants to spend a totalof \$325? Write an inequality. Solve

49. English

Please check my work. Correctly identifying the part of speech of each of the word in the sentence. The new mail carrier finally arrived. The (definite article) new (adjective) mail (noun) carrier (noun) finally (adverb) arrived (past tense verb).

50. Government

The government's practice of spending more than it takes in results in: a. greater dependence on regressive taxes than progressive taxes. b. deficit financing c. low interest rates d. longer fiscal years I think it's B?

51. physiology

blood helps maintain homeostasis by all of these mechanisms EXCEPT: a. eliminates waste products b. protects about foreign substances c. transports nutrients and gases d. regulates pH e. clot formation I don't totally understand this question. I know that

52. Math

30 basketballs (15 Spalding, 10 Wilson, and 5 other brand-name balls) are on a basketball court. Barry Wood closes his eyes and arbitrarily picks up a ball from the court. Determine the probability that the ball selected is a Wilson or a Spalding.

53. Chemistry

equilibrium constant for; so3 so2 + 1/2o2 is found to be 0.471M^1/2 @ 600deg C after a quantity of sulfur trioxide is allowed to come to equilibrium in a 1L flask @ 600deg C, 0.2 mol oxygen was found to be present. What mass of sulfur trioxide was

54. CAL

THe circumference of a sphere was measured to be 74.000 cm with a possible error of 0.50000 cm. Use the linear appoximation to estimate the maximum error in the calculated surface area. and estimate the relative error in the calculated surface area.

55. Life orientation

Name two institutions/community organisation that are involved in supporting or giving reddress to this disaster(pollution)

56. psychology

4. Explore two roles that can be acquired during early and middle adulthood, such as through parenthood, romantic relationships, and career. How have these roles changed through the past generations?

57. English/Film and Media studies

Hi My assignment is to talk about a documentary that doesn't exist. We had to pretend to create one and one of the things we need to discuss is our shot construction so everything from lighting, location to shot sizes. Then we need to talk about voice

58. English

Please check my work. Correctly identifying the part of speech of each of the word in the sentence. The new mail carrier finally arrived. The (definite article) new (adjective) mail (adjective) carrier (noun) finally (adverb) arrived (past tense verb).

59. math

using a set builer notation 12-8(3x-5)>-7x+29

60. algebra

Essay. Show all work. the rectangular swimming pool is given by 2x^2-5x-3 ft.^2. One side length of the pool is given by 2x+1 feet. What is an algebraic expression for the other side length of the pool? Simplify this, and include correct units as part of

61. algebra

a landing airplane, moving in a straight line , passes over two points (p and q) which are 300 feet apart. when the airplane is above p, as seen from Q, its angle of elevation is 60 degress, and when above Q, as seen from p, its angle of elevation is 40

62. intermediate algebra

Essay. Show all work. find the quotient: y^4+3y-1 -------- y^2-3

63. intermediate algebra

Essay. Show all work. find the quotient: 49a^2-b^2 --------- 7a-b

64. world history

following world war 2 what factors led to Japan's economic success? a)the adoption of eastern economic philosophy that emphasized supply and demand economy. b)the concentration on the production of high-quality agricultural products. c)efficient, modern

65. Geometry

Which equation can be used to find the unknow ange measures? The diagram is a triganle. A= x+30, B= 3x, and C = x-15 A 5x+15=90 B 5x+45-180 C 3x^3+15=180 D 5x+15=180 E 3x+30=180

66. statistics

Is my answer correct. Q. How many megabytes of memory would be required to store an uncompressed 2-minute video file which is played at 24 frames per second, with a frame size of 320 × 240 pixels using a 24-bit per pixel colour model? A. 320*240*24 =

67. Chemistry

How calculate concentration by using molecular weight.

68. Chemistry 101 college

you have 10 mL of a 1.0 M Ba(OH)2 solution and add it to 2.5 L of water. What is the concentration of hydroxide ionsin the diluted Ba(OH)2 solution?

69. Sue Ann

What would be consideed macroeconomic/microeconomic consequences of a monopolistically competitive firm filing for bankruptcy?

70. Physics

A ball is thrown straight up that it reaches a max height of 30 meter. How long did it take the ball to go up? How fast was it going when it was 10 meter high from the ground?

asked by Rhea Mae
71. Computer Science - MATLAB

In a problem I had to create a animation of the function sin(x-a) were a ranged from 0 to 8pi Code: x=[-2*pi:.00001*pi:2*pi]; a=0; y=sin(x-a); g=plot(x,y); grid on; title('sin(x-0)') set(g,'EraseMode','xor') while a

1/2x-6=5

73. physics

What are some examples of real resistors used in circuits?

74. Chemistry

What kind of molecule is NADH dehydrogenase? Where and how does it typically function?

75. math

given the linear equation y=7/6x+1, find the y-corrdinates of the points (-6,),(0,)and (6,). plot those points and graph the linear equation.

76. Math-probability

The odds against Lounging Larry winning the horse race are 5:9. Determine the probability that Lounging Larry wins the horse race.

77. math

differentiate y=-4x^2cos x. i need to know the calculation work. (ans: 4x^2sinx - 8xcosx)

78. Math

One thousand raffle tickets are sold for \$4.00 each. One grand prize of \$800 and two consolation prizes of \$100 each will be awarded. Jeremy purchases one ticket. Find his expected value.

79. Culinary Arts

Compare pour batters with drop batters?

80. Culinary Arts

Explain the procedure for portioning muffins and preparing them for baking?

81. Culinary Arts

You have just mixed a batch of muffin batter and are ready to portion it. However you can't locate the portion or ice cream scoop. How can you evenly portion the batter without overmixing?

82. introduction to computers

Which type of high speed memory is common to almost all personal computers? a)L1 b) L2 c)L3 d)L4 is a) correct answer?thank you

Make a word document with the key points (in tables/charts) for the following functions, given in the form y=asink(x+d)+c Start with multiplication/division (multiply ‘y’ by a, divide ‘x’ by k) Then add c to the y values, subtract d from the x

84. MATH

Write an equation of the line containing the specified point and perpendicular to the indicated line. (6,0), 5x+4y=1

85. English

Please check my work. Correctly identifying the part of speech of each word in the sentences. Example: The boy hit the ball The (definite article) boy (subject) hit (past tense verb) the (definite article) ball (dircet object). 1. Mother gave me a card for

86. science

a stundent watches waves in the ocean and notices that 2 waves strike the shore every second what is the frequency of that wave pattern?.

87. algebra

Essay, show all work. find the following product. (y-8)^2

88. math

find the slope and y-intercept of the line y=-8/11x-5

89. algebra

Essay. Show all work. A gardener wants to create a triangular garden in the shape of a right triangle with the shortest side length x-3y ft. and the middle length side x+6y ft. What ia an algebraic expression for the area of the garden? be sure to multiply

if m(

91. algebra

Essay. Show all work. Find the following product.(x^2-2)(x^3-4x+9)

92. algebra

a point on one bank he finds the angle of elevation of the top of a tree on the other bank to be 60 degress. from his initial observation point he walks back 200 feet in a straight line with the tree and his first observation point and finds the angle of

93. math

differentiate y=(x)^(1/2)e^(-x).i need the calculation work. [ans: -x^(1/2)e^(-x) + 1/2(x^-1/2)e^(-x)]

94. Math

1) Find three functions with unlimited domains and ranges. 2) Find two functions with restricted domains. 3) Find two functions with restricted ranges. Im confused as to how I can find the answer for these question, can you please explain along the steps.

95. human resource management

The EEOC: a)can sue on behalf of itself or on the behalf of a discirmination claimant b)does not have the power to sue on its own behalf c)does not have the power to sue on the behalf of a discrimination claimant d)does not have the power to sue IS A

96. Linerar Equations in 2 Variables

Complete the ordered pair for the equation y=-10x+18 I have one of the ordered numbers given to me by my instructor, I have to come up with the first one, this is excactly how he gave it to me, but I really don't understand this...Can someone please help

97. Coordinate system

XComplete the table of values for the equation 8x+2y=80 xy 0? ?0 2? that is what I got so far, please help me get the rest

98. Algebra

Plot and connect the given points in order and determine the area of the resulting figure. (-4,2),(-2,2),(-2,4),(1,4),(1,3),(3,3),(3,-4),(-4,-4) A. 25 B. 30 C. 50 D. 62 E. 100

99. Algebra

Solve -3/8h=9. Show work. A. -24 B. -3.375 C. 9.375 D. 72

100. history

what were some tensions over slavery in the 1840

101. Calculus

A cost function is given by: A'(x)= 2x^2/x^2-211/x^2. For what values is A(x) increasing and decreasing? Any help would be appreciated

102. math

Someone help 2500(1.65)^12=

103. Culinary Arts

Contrast the basic ingredients of muffins and biscuits?

104. Culinary Arts

Describe three characteristics of a quality muffin?

105. Culinary Arts

Critical Thinking Question When baking biscuits a coworker adds yeast to the formuala in addition to baking powder. What should you do. Explain

106. Thank You MathMate

Thank you for assisting me with my MATLAB question. If I posted this on the actual question you never would of seen it. What you suggested to do worked and produced the results I was suppose to get. I wanted to say thank you. And a grid_size of 500 seems

107. Culinary Arts

Describe what leavening agents do for baked products?

108. Culinary Arts

What other benefits does gluten give to dough?

109. Government

In recent decades, the Federal Government has borrowed money mostly to: a. finance special expensive projects b. provide funds for crisis situations such as wars and national disasters c. pay the president's salary d. operate the government and pay the

110. chemistry

In the reaction of sodium metal with oxygen gas, the formula of the product will be ______________. Periodic Table

111. humanities

Summarize each event and explain how the changing attitudes of the time were expressed through these various political events and movements such as civil rights, gender equality, and warDescribe how the arts (music, literature, and visual art) were

112. production and operations Management

Selling for \$5 each, programs are a tricky business. Under substantial pressure from Wisner, Maddux knows he has to ensure that costs are held to a minimum and contribution to the new expansion maximized. As a result, Maddux wants the programs for each

113. algebra

Essay. Show all work. A school designer wants to create a whiteboard with the optimal dimensions to enhance learning. it is determined that if one side of the whiteboard is x+y inches, the other side should be x^2+6xy-4y^2 inches. Write an algebraic

114. Government

The president's military powers: a. are strictly limited to times of war b. are shared with congress c. only apply to the use of the US army and its weapons d. may never be used to keep the domestic peace I think it's B?

115. Literature HELP

PLEASE Help me create a better thesis statement than this: Three arguments can be identified in “The Private History of a Campaign That Failed” that support the idea that war isn’t for everyone. The arguments are that soldiers should be adequately

116. maths trigonometry

if theta = 45, the value of cosec ^ 2 theta is ?

118. Math

Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.

119. Chemistry 101 college

you have 10 mL of a 1.0 M Ba(OH)2 solution and add it to 2.5 L of water. What is the concentration of hydroxide ionsin the diluted Ba(OH)2 solution?

120. Culinary Arts

What is the leavening agent in muffins?

121. Culinary Arts

What else can a sheeter do?

122. Culinary Arts

What two elements does a proofing cabinet control?

123. math math

the second of a trangle is 3 times as large as the first the third angle is 55 more that the first. find all three angle.

124. Government

1. Both corporate and individual income tax rates are set at ______ rates. a. high b. low c. progressive d. regressive I think it's C?

1/2x-6=5

126. math

marcus and joannie are having a new family room added on. The length of the room is 6 feet less than double the length. If the perimeter is 78 feet,what is the dimension of the room?

127. physics

static friciton is greater than sliding friction prove

128. Government

________ give the president the power to issue executive orders. a. the constitution and the judicial branch b. congressional acts and the constitution c. congressional acts and the oath of office d. the oath of office and the constitution I think it's d?

Discuss the pros and cons of the following statement: "Egalitarian companies are more innovative".

130. Math-probability

Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.

131. Math-probability

The theoretical probability of undesirable side effects resulting from taking Grebex is 2 in 19. If 380 people take Grebex to lower their blood pressure, how many will encounter undesirable side effects?

132. Algebra

The ditto is light so I can't make out some of the functions to evaluate the expression. Can't make out function befor () and betwee the two 3's. I think it is: 4^2+(10-9+1)^3+3-5 A. -16 B. 1 C. 15 D. 19 E. 26

133. Algebra

Rayann bought 4 roses and 3 daisies for \$21.53. Jason bought 3 roses and 2 daisies and paid \$15.45. What would it cost for one rose and one daisy? a \$2.79 b \$2.84 C \$3.29 d \$5.28 e \$6.08

134. Chemistry 101 college

How many grams of chloride ions are in a 2.5L of a 1.0 M calcium chloride solution?

135. Chemistry

Hi. How would I determine the rate constant of a reactant?

136. Culinary Arts

Describe how to activate the following types of yeast compressed,dry active, quick rise dry?

137. life orientation

provide 5 ways in you critically discuss how life style disease impact on the teenager(cancer)

138. Government

the coast guard,t he central intelligence agency, and the customs service all have a(n): a. suspicion of foreigners entering the united states. b. concern that all visitors to the US feel welcome c. exclusive involvement with the domestic affairs of the US

139. math

solve the following equation for z x=1/25(22z-9w)

140. Greek

The Greek base HELI- means?