# Questions Asked onOctober 5, 2013

1. ## Statistics

A manufacturer ship toasters in cartons of 10. In each carton, they estimate a 20% chance that one of the toasters will need to be sent back for minor repairs. What is the probability, that in one carton there will be 5 toasters that need repair? I have no

The domain of f(x)=(1)/(sqrt(x^2-6x-7)) is (1, 7) [-1, 7] x > -1 or x < 7 ***{x < -1}U{x > 7} (-∞, -1]U[7, ∞) 2. In which of the following is y a function of x? I. y^2=9-x^2 II. |y|=x III. y=(sqrt(x^2))^3 I only II only III only ***I and III only I, II

3. ## english

Choose two authors from the early American and colonial period. identify what they wrote and, in one to three paragraphs, compare their purpose, audience, and style.

4. ## Accounting

Describe the mechanisms that WorldCom’s management used to transfer profit from other time periods to inflate the current period.

5. ## government

what is the greatest restriction on appeals in the united states

6. ## poetry

I need to know what format is being used in this poem: Canadian Angels Angels of the House, Angels of Mercy- yes, they've called women that. But these are Angels of Ice,Hard-muscled, sharp, dangerous as winter's cold. How else do you explain their speed,

7. ## math

17. 0.0101 , 0.0100, 0.0110,0.0011 Using the numbers above, which of the following sequences lists the numbers from least to greatest? A. 0.0011, 0.0100, 0.0101 , 0.0110 B. 0.0110, 0.0101 , 0.0100, 0.0011 C. 0.0011 , 0.0101, 0.0100, 0.0110 D. 0.0110,

8. ## Chemistry 22

Table salt NaCl and sugar C12H22O11 are accidentally mixed. A 6.00 g sample is burned and 2.90 g of CO2 is produced. What was the mass percentage of the table salt mixture? Could you please show me all the way through if you can?

9. ## math

. The top of a dresser is 33/ 4 feet from an 8-foot ceiling. Which of the following is the height of the dresser in feet? A. 41/4 B. 43/4 C. 5,/4 D. 53/4

10. ## physics

After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 62.3 m horizontally from the end of the ramp. His velocity, just before landing, is 22.0 m/s and points in a direction 40.3 ° below the horizontal. Neglecting

11. ## Biography

How do I start my biography? I am writing about my sister, but I don't know how to start.

12. ## Psychology

1. A company decides to add a new program that prepares randomly selected sales personnel to increase their number of sales per month. The mean number of sales per month for the overall population of sales people at this national company is 25 with a

13. ## Chemistry

Will the 90-100 mL of distilled water added to the acid solution (10.00 mL) significantly change the moles of H3O+ in the 1.00 M HCl solution? Why or why not?

14. ## Chemistry

Can calcium hydroxide solution be used to distinguish Co(NO3)2 and Fe(NO3)3 solutions using only the titration technique? Why or why not?

15. ## math

. A company that made \$2.4 million in profits the previous year is on pace to make \$3 million in the current year. If the company makes this figure, which of the following is the percent increase in profits? 16. .. A. 6% B. 11% C.20% D.25%

16. ## physics

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

17. ## English

How would I revise this sentence to eliminate unnecessary shifts in tense, mood, voice, or person? The freezing weather is threatening crops such as citrus fruits which were sensitive to cold. The freezing weather threatened the crops, which were sensitive

18. ## physics

A cyclist maintains a constant velocity of 6 m/s headed away from point A. At some initial time, the cyclist is 245 m from point A. What will be his displacement from his starting position after 88 s? Answer in units of m What will be his position from

19. ## physics

1.)In an electric potential the charge is moving from infinity to a given point. Is that infinity point is within the electric field or outside of it? 2.)Is electric potential difference and voltage are same? 3.)Are electric potential and voltage same?

20. ## math

A t-shirt manufacturer uses 5/8 yard of material for each shirt, how many shirts can be made fro 14 & 38 yards of material?

21. ## Statistics

1. A simple random sample of FICO credit rating scores is listed below: 714 751 664 789 818 779 698 836 753 834 693 802 a. Find range, variance, and standard deviation. b. As of this writing, the mean FICO score was reported to be 678. Based on these

22. ## Geography (Ms. Sue)

1). What river has an international group trying to save? A: An international group has been trying to save the Tisza River. 2). What diseases are linked to air pollution? A: Respiratory diseases such as asthma, bronchitis, and emphysema, as well as lung

23. ## physics

a small mass is suspended from along thread so as to form a simple pendulum.the period T of the oxillation depend on the mass M,the length L of the thread and the acceleration G of free fall at the place concerned so that T =km^x,L^y,G^z where K = 2pie 1.

24. ## Public Speeking

I need help with an attention getter speech/intro on the Buffalo Soldiers.

25. ## Physics

Many people mistakenly believe that the astronauts who orbit the Earth are "above gravity." Calculate g for space shuttle territory, 290 kilometers above the Earth's surface (dashed line in sketch). Earth's mass is 6 1024 kg, and its radius is 6.38 106 m

26. ## physics

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

27. ## phisic

A block of mass m1 = 26 kg rests on a wedge of angle θ = 48∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then

28. ## math

17. 0.0101 , 0.0100, 0.0110,0.0011 Using the numbers above, which of the following sequences lists the numbers from least to greatest? A. 0.0011, 0.0100, 0.0101 , 0.0110 B. 0.0110, 0.0101 , 0.0100, 0.0011 C. 0.0011 , 0.0101, 0.0100, 0.0110 D. 0.0110,

29. ## Physics

An elevator has a combined mass of 1700kg. Find the tension of the supporting cable when the elevator, originally moving downward at 13 m/s, is brought to rest with constant acceleration in a distance of 44 m.

30. ## Civics

What countries (if there is any) avoid the US's manufacturing because they do not want to switch Imperial system to the metric system?

31. ## Chemistry

What is the absolute entropy of 1.9 mol of gaseous ammonia at 2.8 bar and 298 K?

32. ## Physics

The mass of the float is 50.0 kh and it has a volume of 1.0 m^3.det ermine the density of the float and the tension on the rope. You may assume g=10N/kg. So I know that mfloat = 50.0kg weight of float = 50.0 x 10 = 500N Vfloat = 1.0 m^3 density of Sea

33. ## Finance

Explain how a firm that has issued a floating-rate bond with a coupon equal to the LIBOR rate can use swaps to convert that bond into a synthetic fixed-rate bond.

34. ## maths

2/π ∫ π - 0 t^2 cos (nt) dt how to solve this anyone?

35. ## geography>3

what natural processes spread creating a new region?

36. ## physical sciebce

when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs a normal staircase to

37. ## physical science

when an 81.0 kg adult uses a spiral staircase to climb to the second floor of his house, his gravitational potential energy increases by 3000 j. by how much does the potential energy of an 22.0 kg child increase when the child climbs a normal staircase to

38. ## physics

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

39. ## CONTROL SYSTEM

HELP,PLS HELP..I NEED ANSWER FOR ECEN 4413 AUTOMATIC CONTROL SYSTEMS SPRING 2005 MIDTERM EXAM..I CANNOT FIND ANSWERS IN THE INTERNET.PLS HELP IF YOU KNOW WHERE TO DOWNLOAD THE SOLUTION MANUAL..OR YOU KNOW THE ANSWER!!THANK YOU

40. ## Physics

A rocket moves upward, starting from rest with an acceleration of 28.1 m/s2 for 5.21 s. It runs out of fuel at the end of the 5.21 s, but does not stop. How high does it rise above the ground?

41. ## Physics

A quarterback claims that he can throw the football a horizontal distance of 187 m. Furthermore, he claims that he can do this by launching the ball at the relatively low angle of 32.4 ° above the horizontal. To evaluate this claim, determine the speed

42. ## Math Poster Project

I have do complete a poster for math but I have some confusing instructions at first. Please help me understand and provide an example using the directions below that were given to me: Choose four rational numbers. At least two of your numbers should be

43. ## chemistry

What is equlibrium position

44. ## physics

On a spacecraft two engines fire for a time of 748 s. One gives the craft an acceleration in the x direction of ax = 5.21 m/s2, while the other produces an acceleration in the y direction of ay = 3.45 m/s2. At the end of the firing period, the craft has

45. ## Math Factoring with 3 VARIABLES?!?!

a^2-b^2+8bc-16c^2 25-m^2-12mn-36n^2 x^2-a^2-y^2-2ay I know that you have to group them 3 and 1 and then you have to do difference of squares but I am utterly lost how to go about it. Please help!

46. ## Statistics

You are dealt a hand of three cards, one at a time. Find the probability that your third card is your first jack. A) 0.068 B) 0.145 C) 0.127 D) 0.077 E) 0.00018 How do I set this problem up?

47. ## geography>3

why might many of the region's rivers flow toward the north?

48. ## URGENT

We are standing at a distance d=15 m away from a house. The house wall is h=6 m high and the roof has an inclination angle β=30 ∘. We throw a stone with initial speed v0=20 m/s at an angle α= 37 ∘. The gravitational acceleration is g=10 m/s2. (See

49. ## physics

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

50. ## algebra

Q-80= -10P Q-10P = 0 Derive the slop of both?

51. ## geography (ms. sue)

why might workers be unwilling to take jobs in siberia?

52. ## Physics

We are standing at a distance d=15 m away from a house. The house wall is h=6 m high and the roof has an inclination angle β=30 ∘. We throw a stone with initial speed v0=20 m/s at an angle α= 35 ∘. The gravitational acceleration is g=10 m/s2. (See

53. ## Math: Algebra II

You start 50 miles east of Pittsburgh and drive east at a constant speed of 65 miles per hour. (Assume that the road is straight and permits you to do this.) Find a formula for d, your distance from Pittsburgh, as a function of t, the number of hours of

54. ## Math

Can someone give me about four random fractions between -1 and 1. Just random. I am doing a poster project. (Also give them in decimal form aswell.

55. ## algebra

solve for p 60-P=P-20

56. ## math

1, 2, 3, ? , 99 :: find out the missing number?

57. ## algebra

What is the last two digit of 3243^8897 + 6574^2314 ? pls give me the explaination as well:) thank you.

58. ## physics

A dolphin leaps out of the water at an angle of 35 degrees above the horizontal. The horizontal component of the dolphin's velocity is 7.7 m/s. Find the magnitude of the vertical component of the velocity

59. ## Physics

A metal sphere is found floating in a pool. The sphere is 1m in diameter. If it is half submerged determine the weight of the sphere. You may assume the following: g=10N/kg density of Water = 1000kg/m^3 Vsphere = 4/3pir^3 I get 13.3 as my final answer, but

60. ## need help i don't understand

"If y is a differentialble function of u, u is a diffferentiable function of v, and v is a differentiable function of x, then dy/dx=dy/du *du/dv *dy/dx

61. ## History

how did the colonists show their anger for the coercive acts.

62. ## Algebra

-2w-3+3(w-4)-5(w-6)

63. ## Math Repost

There are 5 boys and 4 girls in my class. In how many ways can they be seated in a row of 9 chairs such that at least 2 boys are next to each other? In how many ways can they be seated in a row of 9 chairs such that at least 3 girls are all next to each

64. ## Physics

A 0.02kg bullet collides with a 5.75kg pendulum. After the collision, the pair swings up to a maximum height of 0.386m. Determine the velocity of the bullet just before impact.

65. ## physics

calculate the linear momentum of a truck with a mass of 13065kg that is traveling at 36m/s eastward.

66. ## Algebra 1

You are making up your own mix of concrete to patch a set of stairs. In order to have the proper mix, you need to mix 1 part of Portland cement with 2 parts of sand and 3 parts of gravel. A. How many total parts are in one batch of concrete? B. You make a

67. ## question

if your a highschool student for the the summer can you go to community college and earn credit for highschool

68. ## Chemistry

I am trying to figure out the molecular, ionic, and net equation for this question. HCl reacts with the precipitate formed from mixing Ni(NO3)2 and NaOH . This is what I got for the molecular but it is saying it wrong. Please help. Thank you. HCl(aq) +

69. ## Physics

A 0.02kg bullet collides with a 5.75kg pendulum. After the collision, the pair swings up to a maximum height of 0.386m. Determine the velocity of the bullet just before impact.

70. ## English

My Son"s acrostic poem about SEASIDE Summer time is fun Everybody are making sandcastles A lovely picnic is coming Sand is really really hot I saw a ship in the distance Diving is very exiting Exploring for shells in the rock pool.. Damian is 10years

71. ## Biochemistry

1. What is the overall charge of the tripeptide below pH 1.0? 2. What is the overall charge of the tripeptide at pH 12? 3. What type of intermolecular attractions could the side chains of the amino acids make with the solvent (water) at pH 7.4? (Note that

72. ## Algebra 1

An architectural firm makes a model of a science center they are building. The ratio of the model to the actual size is 1 in.:85 ft. Estimate the height of the building if the model is 1.5 inches tall.

Can you check my answers please? 1. Convert 2 and 3/4 qts to pints. 1 qt = 2 pints (unit ratio = 2/1) 2 and 3/4 x 2/1 = 9/4 x 2/1 = 22/4 = 5 and 1/2 pints 2. A 40-foot power boat is for sale. How long is the boat to the nearest yard? 1 ft = 3yds (unit

74. ## Physics

A fireworks rocket is moving at a speed of 48.4 m/s. The rocket suddenly breaks into two pieces of equal mass, which fly off with velocities v1 and v2, as shown in the drawing. What is the magnitude of (a) v1 and (b) v2? In the image the two pieces are

75. ## math

I understand the Fibonacci Sequence (the simplified version). But how is it applied to real life? Please give at least two examples. Thanks

76. ## Algebra 1

Tall Buildings You made a model of the Space Needle in Seattle, Washington, for a report on architecture in the United States. You used a scale of 1 in.:50 ft. Your model is 12.1 inches tall. Estimate the actual height of the Space Needle. Is it 605

77. ## Algebra

2w-3+3(w-4)-5(w-6)

78. ## Computers

which of the following types of bitmap graphics is most commonly used on the world wide web? My answer JPEG B. BMP C. PICT D. GIF I'm I on the right track?

79. ## physics

A net external force is applied to a 13 kg object that is initially at rest. The graph to the left shows net force component along the displacement of the object as it varies with displacement. 1) What is the work done between 0 m and 4 m? 2. What is the

Use the Present Value Table on page 358 of your text to compute the present value (principal) for an investment with a compound amount of \$20,000, a 30-month term of investment, and a 14% nominal interest rate compounded semiannually. (Points : 2.5)

81. ## Math: Algebra II

You start 50 miles east of Pittsburgh and drive east at a constant speed of 65 miles per hour. (Assume that the road is straight and permits you to do this.) Find a formula for d, your distance from Pittsburgh, as a function of t, the number of hours of

82. ## IS 230

What is a GCF..LCM..number

83. ## Algebra

0.05(0.3m+35n)-0.8(0.09n-22m)

84. ## math

How many milliliters of 0.4N NaOH can be made from 20ml of 2N solution

85. ## Math

maria works 8 hr shifts.she has earned 62.75 mins of sick time. how many sick days does she have

86. ## physics

A ball is thrown 107 m upward and then falls back to earth. Neglecting air resistance, how long will it be in the air? The acceleration of gravity is 9.8 m/s2 . Answer in units of s

87. ## Physics

A rocket of 500 kg accelerates away from earth with an engine thrust of 13,500 N. a) what is the weight of the rocket? 4900 N b) how fast did the rocket accelerate? (I know the answer is 17.2 m/s^2 but how did they get that?)

88. ## Social Studies

We watched the Les Miserables movie and were asked to answer a few questions afterwards.I am just unsure if my answers are correct or not for the following questions... 1. How did the Bishop's lie to the police to take cover for Jean Valjean exemplify the

89. ## AP Chemistry

a student titrates three samples of 0.3% hydrogen peroxide solution made from a bottle of 3% hydrogen peroxide solution dated 10/31/2007. would you expect the calculated molarities of the samples to be higher or lower than the following values: trial 1:

90. ## physics

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

91. ## physics

We are standing at a distance d=15 m away from a house. The house wall is h=6 m high and the roof has an inclination angle β=30 ∘. We throw a stone with initial speed v0=20 m/s at an angle α= 35 ∘. The gravitational acceleration is g=10 m/s2. (See

92. ## Chemistry

What is the absolute entropy of 1.9 mol of gaseous ammonia at 2.8 bar and 298 K?

93. ## Physics

A body moving with uniform acceleration has a velocity of 11.1 cm/s when its x coordinate is 4.6 cm. If its x coordinate 1.75 s later is −4.29 cm, what is the x-component of its acceleration? Answer in units of cm/s2. How would I set this up?

94. ## algebra

reduce to lowest terms: 3n+9 ____ n+3

95. ## Math

A discount store marks up the merchandise it sells by 55%. If the wholesale price of a particular item is \$25, what should the retail price be set at?

96. ## Math

if the visible part of an ice berg is 50mx50m in area and 20m is above the surface, what is the height, h, below the surface? I have absolutely no idea where to even start.

97. ## politics

what is a us government shutdown?

98. ## English

In English class, I have to write a 2 voice poem. My teacher said that I am supposed to make it 10 lines longs on each side. Does that mean that it is supposed to go back and forth 10 times or each side has to have 10 lines? (What I mean by that is that

99. ## physics

a small mass is suspended from a long thread so as to form a simple pendulum. The period . T of the oxillation depend on the thread and the acceleration. G of free fall at the place concerned so that. T=km^x,l^y,g^z.where k =2pie (1.) Find the value of

100. ## Math

How would you solve 3(6 + 4) ?

101. ## Math

Mary is passing out school supplies to students in the class. She gives colored pencils to every second student, markers to every third student, and crayons to every fifth student. The second student received all three. Which student will be the next to

102. ## physics (it's rather urgent help is appreciated

We are standing at a distance d=15 m away from a house. The house wall is h=6 m high and the roof has an inclination angle β=30 ∘. We throw a stone with initial speed v0=20 m/s at an angle α= 35 ∘. The gravitational acceleration is g=10 m/s2. (See

103. ## Statistics

A small software company bids on two contracts. It anticipates a profit of \$60,000 if it gets the larger contract and \$25,000 if it gets the smaller contract. The company estimates that there is a 32% chance it will get the larger contract and a 62% chance

104. ## algebra question

the volume of a right circular cone is given by the formula v=1/3πr^2 h. where r represents the base of the radius and h represents the height. Rewrite the equation in terms of height. (hint: solve for h)

105. ## physics

A toy car runs off the edge of a table that is 1.150 m high. The car lands 0.380 m from the base of the table. It takes 0.48 s for it to fall.How fast was the car going on the table? ______m/s

106. ## math

The diameter of a bicycle wheel is 65cm. How far does the bicycle go in 20 revolutions of the wheel

107. ## physics

We are standing at a distance d=15 m away from a house. The house wall is h=6 m high and the roof has an inclination angle β=30 ∘. We throw a stone with initial speed v0=20 m/s at an angle α= 35 ∘. The gravitational acceleration is g=10 m/s2. (See

108. ## algebra

solve by using the quadratic formula prove your answer is correct by checking can someone please show me how to do this step by step 2x^2+3x+4=0

109. ## Math

Sarah is giving toys to the kids on the playground. She wants to make sure each child receives the same amount of each toy. Each child must have exactly the same number of pieces of chalk and jump ropes. She has 16 pieces of chalk and 24 jump ropes. a.

110. ## Math

A running track has 8 lanes each a meter wide.Each"straight" is 100 meters long. The distance around the track for someone running in the middle of the inside lane is 400 meters. What is the distance around the track for someone running in the middle of

111. ## physics

We are standing at a distance d=15 m away from a house. The house wall is h=6 m high and the roof has an inclination angle β=30 ∘. We throw a stone with initial speed v0=20 m/s at an angle α= 35 ∘. The gravitational acceleration is g=10 m/s2. (See

112. ## Math

In one revolution a wheel moves forward a distance equal to its circumference. This is because the wheel Always in contact with the floor. 1)A trundle wheel clicks everytime. What is the radius of the wheel I really don't get this question Please Help me

113. ## Chemistry

How to write the equation for the combustion of ethane C2H6?

114. ## algebra

please help im lost the instructions are to solve by using thee quadriatic formula and prove your answers are correct but i don't know how can someone show mw step by step how to do this so i can do my homework x^2-3x+4=0

115. ## physics

A particle travels to the right at a constant rate of 6.1 m/s. It suddenly is given a vertical acceleration of 1.8 m/s 2 for 4.5 s. What is its direction of travel after the acceleration with respect to the horizontal? Answer between −180◦ and +180◦

116. ## Math

The diameter of a bicycle wheel is 65 cm How many revolutions are needed to make the bike travel 2km

117. ## criminal justuce

what are the current administration's policies related to crime? I can not find this information, all I can find is articles about drugs

118. ## Chemistry

I need help with answering this question. What is the absolute entropy of 1.9 mol of gaseous ammonia at 2.8 bar and 298 K? Thank you

119. ## English

Is this correct? what time are you home

120. ## physics

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

121. ## biology

Briefly explain how the evolution of the pectoral girdle from the aquatic to the terrestrial environment gave rise to muscle differentiation and specialization in relation to the skull.

122. ## Math

In one revolution a wheel moves forward a distance equal to its circumference. This is because the wheel Always in contact with the floor. 1)A trundle wheel clicks everytime. What is the radius of the wheel

123. ## Geometry Letter Grammar??

Hello I'm in Geometry Honors (I'm a freshman btw) and I'm failing with a D. I talked to my counselor about switching me out and going to regular and she says it's okay BUT she needs a letter from my mother saying it's okay to switch me out. I was wondering

124. ## math

There are 5 boys and 4 girls in my class. In how many ways can they be seated in a row of 9 chairs such that at least 2 boys are next to each other? In how many ways can they be seated in a row of 9 chairs such that at least 3 girls are all next to each

125. ## crimina justice

how the politics of crime has changed over the past forty years

126. ## Civics or S.S

What countries (if there is any) avoid the US's manufacturing because they do not want to switch Imperial system to the metric system? Thanks for the help! ~Kimmy

127. ## physics

An elevator is stopped at the ground floor. It starts moving upwards at constant acceleration a>0 for 5 seconds. It then keeps a constant speed for 35 seconds. Finally, it slows down with an acceleration of the same magnitude (but opposite direction) −a

128. ## Chemistry 10

reaction of AgNO3 with BaO... Would it be Ag^+ + O^---> AgO (s)

129. ## physics

A block of mass 4.44 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 6.55kg which hangs in the air , as shown above. Assume the cord to be light (massless and weightless) and

130. ## geography

why did european leaders believe that an economic alliance would help prevent war?

131. ## geography>3

in what way is the european union creating a new region?