# Questions Asked onNovember 2, 2013

1. ## Chemistry (Dr.Bob222)

The generic equation: Base− + H2O -> HBase+ OH− can be used to account for the pH of which salt? 1)CaI2 2)NH3 3)KCN 4)Al(NO3)3 5)NaCl Ok, so I know NH3, won't work because it is not a salt. The answer is KCN, but I don't understand why, could you

2. ## Chemistry

A mineral sample is analyzed for its cobalt and calcium content. A sample is dissolved, and then the cobalt and calcium are precipitated as Co(OH)2(s) and Ca(OH)2(s). At what pH can Co(OH)2(s) be separated from Ca(OH)2(s) at 25 °C? Assume that an

3. ## Thinking Mathematically - Geometry

A rocket ascends vertically after being launched from a location that is midway between two ground-based tracking stations. When the rocket reaches an altitude of 4 kilometers, it is 5 kilometers from each of the tracking stations. Assuming that this is a

4. ## cal

A conical tank (with vertex down) is 12 feet across the top and 18 feet deep. If water is flowing into the tank at a rate of 18 cubic feet per minute, find the rate of change of the depth of the water when the water is 10 feet deep. I got 81/200pi ft/min.

5. ## Biochem

The Na –glucose symport system of intestinal epithelial cells couples the \"downhill\" transport of two Na ions into the cell to the \"uphill\" transport of glucose, pumping glucose into the cell against its concentration gradient. If the Na

6. ## Statistics

A bank is testing a new method for getting delinquent customers to pay their past-due credit card bills. The standard way was to send a letter (costing about \$0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new

7. ## Fitness & Nutrition

16. How does regular exercise help to reduce the effects of mental stress? A. Regular exercise gets you away from the home or office and away from stress. B. Regular exercise has been shown to reduce the physical effects of stress. C. Regular exercise

8. ## Science - Physics, I need help with both please.

A 57.0 kg diver dives from a height of 15.0 m. She reaches a speed of 14.0 m/s just before entering the water. What was the average force of air resistance (e.g., friction) acting on the diver? Bonus: What is the force of friction underwater if she reaches

9. ## Math

The sum of the first nth term of a geometric progression is 127 and the sum of their reciprocal is 127/64. The first term is 1. Find n and the common ratio.

10. ## Math

A faulty odometer (mile indicator) on a car registers 6 miles for every 5 miles travelled. A t the start of a journey it reads 500 miles and at the end of the journey it read 560 miles. What distance has actually been covered?

11. ## Accounting

Genentech, Inc. is a California-based biotech pioneer recently acquired by Swiss pharmaceutical giant Roche Holding AG. Roche paid \$46.8 billion in cash for the 44 percent of Genentech it did not already own, implying a market value of over \$100 billion

12. ## Physics

Sue and Jenny kick a soccer ball at exactly the same time. Sue’s foot exerts a force of 49.9 N to the north. Jenny’s foot exerts a force of 119.7 N to the east. a) What is the magnitude of the resultant force on the ball? Answer in units of N b) What

13. ## Chemistry

At STP 4 liters of O2 contains the same total number of molecules as 1L of NH3 2L of Cl2 8L of He 4L of CO2

14. ## English

Who is Bill's favorite writer? 1. It is Arthur Conan Doyle. 2. He is Arthur Conan Doyle. 3. Arthur Conan Doyle is. 4. Arthur Conan Doyle is his favorite writer. 5. Arthur Conan Doyle is his favorite. (Which expressions are grammatical and commonly used?)

15. ## Health (Ms. Sue)

1. Explain the relationship between the key terms in each of the following pairs. a. wake and memorial service b. distress and eustress A: a. A wake and memorial service are both ceremonies in which enable family and friends to unite and gives them an

16. ## Physics

Rain is falling vertically down on a car moving at 11 m/s. Tracks made by the raindrops on the side window of the car are inclined at 55 degrees with the vertical. Find the speed of the raindrop relative to the ground.

17. ## Math

Charlotte is training for a marathon. Right now she is 21km from home. She is running toward home at a rate of 10 km per hour.(Let x=time(in hours); y=distance from home (in km).) [lHint: Charlottle's distance from home is decreasing.]

18. ## Health (Ms. Sue)

1. Explain how being around people who drink alcohol and use drugs can put you at risk for sexual assault. A: ? 2. What are three ways you can protect yourself from sexual abuse and violence? A: You can protect yourself from sexual abuse and violence by

19. ## abnormal psychology

Is this true or false Behavioral medicine and health psychology are concerned with reducing the stress of illness but not necessarily preventing the stress.

20. ## PHYSICS

A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is

21. ## history

What was the connection between type of economy and support of the Constitution? 1 Merchants with foreign trade partners typically opposed the Constitution, while property holders supported strong national powers at the federal level. 2Semisubsistence

22. ## math

Hello, I'd like to know how in developing, factoring or simplifying, we can move from: goo.gl/zZdzSs ACDE are strictly positive real constants. I is an imaginary number.

23. ## Chemistry

How many grams of NaCl are contained in 500ml of normal saline solution which is 0.85%(w/v).

24. ## physics(help!!!!!!!!!!!)

A small ball of mass m=0.60 kg hangs from a massless string of length l=0.9 m. The ball travels in a vertical circle and its speed at the bottom is v0=6.0 m/s (see figure). Neglect all friction and air drag, and use g=10m/s^2 for the gravitational

25. ## FINANCIAL MANAGEMENT

An interest rate( is it variable-relevant or fixed irrelevant for year 1,2,3,4?) of 11.5%, from a 4 years loan to buy a machine( will last 5 years) on the last day of the company'previous financial year , should it be allocated in a Project Financial Data

26. ## obituary writing

I just need one more proofread.. My question is when two people have the same last name, how would you attribute them.. IE Tom and John Hoyer.. and if you see any other mistakes feel free to address by any means.. Hoyer died on at the Warner Barry

27. ## physics(URGENT!!!!!)

A meteorite of mass m= 2 ×104 kg is approaching head-on a planet of mass M= 7 ×1029 kg and radius R= 5 ×104 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 5 ×102 km/s. Take G= 6.67

28. ## physics(URGENT!!!!!)

An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=λ4(x2−a2)2+b2x2.(1) Here we use λ= 1 kg/(m2s2), a= 7 m, and b= -11 kg/s2. (a) How many equilibrium points (stable and unstable ones) does this potential have? n=

29. ## science

5 facts on how Ultraviolet ray,X-rays and gamma rays are dangerous to and their sources.

30. ## music

this the guy that directed Newbies the same guy who directed High School musical?

31. ## algebra

examples of distant formula

32. ## Statistics

Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR

33. ## Statistics

Is the p-value to the below question 0.4995? Do you reject or fail to reject the null hypothesis? Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than

34. ## world history

what did the invention of the telephone by alexander graham bell do for the second industrial revolution?

35. ## Math

Twenty marbles are in a bag. There are 5 green marbles, 9 blue marbles, and the rest are red. Two marbles are drawn at random without placement. Find the probability that neither is blue

36. ## Math

A coin is loaded in such way that a tail is three times as likely to occur as a head. If the coin is flipped twice. Find the probability that two heads occur

Emory tosses a nickle four times. The probability that he gets at least as many heads as tails is? Explain

38. ## math

Hello, i would like to know what is the complex number of : (a*c*d)×(-e*d+i)/(1-e*c*d^2) ACDE are strictly positive real constants. I is an imaginary number. Thanks you a lot for you help.

39. ## Physics

An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

40. ## chemistry

Your x-ray lab has a monochromator consisting of a single crystal of nickel cut so that the plane lies in the cube face. At what angle (in degrees) should the cube face be tilted with respect to the incident beam in order to select radiation with a

41. ## math

what whole number comes before 1000000

42. ## Health (Ms. Sue)

1. Describe how loss can cause stress. A: When you experience loss, you can feel the physical and emotional effects of stress. For example, after a loss, you may develop tension headaches or an increase in blood pressure. You may also feel irritable and

43. ## Physics

An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=λ/4*(x2−a2)2+(b/2*x2) a) How many equilibrium points (stable and unstable ones) does this potential have? b) Find a stable equilibrium point x0 such that x0 is

44. ## math

Hello, I'd like to know how in developing, factoring or simplifying, we can move from: A + ( (1 / ( (1 / ICD) + IED) ) to: ACD *( ( - ED + I ) / (1 - ECD^2 ) ) ACDE are strictly positive real constants. I is an imaginary number. Thanks a lot for your help.

45. ## math

what is the place value of each digit. 2 004 560 220

46. ## math

Solve the inequality. 3(3F − 3) > 4F − 5

47. ## Statistics

The bank sets up an experiment to test the effectiveness of the DVD. The mail it out to a random sample of delinquent customers and keep track of how many actually do contact the bank to arrange payments. The bank's statistician calculates a p-value

48. ## ????

the pattern of learning the strongest is called ? A. intelligence activity B. learning modality C. both A & C D. learning style C. both A & C

49. ## math

If you multiply a number by four and then subtract negative ten, the difference is negative eighteen. What is the number?

50. ## Physics

Rain is falling vertically down on a car moving at 11 m/s. Tracks made by the raindrops on the side window of the car are inclined 55 degrees with the vertical. Find the speed of the raindrop relative to the ground.

51. ## Health (Ms. Sue)

1. Explain the relationship between the key terms in each of the following pairs. a. bullying and violence b. neglect and abuse A: a. Bullying corresponds with violence as it is an act of frightening or controlling another person by using threats or

52. ## Math

Find the sum of the first 8th of the series 1/2+1/3+2/9+...

53. ## q

whats the point of an ap class

54. ## Math

1.Which set of numbers are equivalent? A. 3/2 0.32 32% B. 12/5 36/15 2.4 C. 44% 44/100 4.4 D. 3/5 9/15 0.35 B 2. The box contains equivalent values 3 14/40, 335%, 335/100, 3.35, 3 70/200 Which number is equivalent to the values above? A.67/20 B. 3.35% C. 6

55. ## check my answer plz

Lynn’s teacher likes to give lectures and rarely uses the overhead or chalkboard to illustrate her points. Lynn is struggling in this teacher’s class. What is least likely Lynn’s preferred style of learning? A. visual B. musical C. kinesthetic D.

56. ## Physics

A boat sails in a direction 60 degrees north of east with a constant acceleration of 1.5 m/s^2, starting from rest. What are its northerly and easterly components of the velocity after 15 seconds?

57. ## Physics (elena) help!!!

An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

58. ## economics

What is the opportunuity cost if you make 15 a hour but you decide not to work for a 1 hour and go to the movie which cost 10 what is the opportunity cost?

59. ## ms sue

As a visual learner, which of the following study techniques would be the LEAST effective for you? A. Using symbols in your notes. B. Color coding your notes to emphasize different facts. C. Discussing the information with a study partner. D. Using charts,

60. ## algebra

In a line with a slope of 1/2 a perpendicular to another line, the the slope of the is -2 true or false

61. ## Physics

A toy slides down an inclined plane which makes an angle of 60 degrees with the horizontal. It starts from rest and achieves a final velocity of 8 m/s in 5 seconds at the bottom of the plane. a. What is the acceleration down the plane? b. What is the

62. ## Math

7. Add 7 1/2+3/4= 1 1/4 8. Divide 3/4 / 2/3= 1 1/8 9. Sam has 4 projects due next Friday. he has completed 1/2 of his English project, 0.25 of his History project, 1/8 of his Science project, and 75% of his Math project. Write the list of these 4 projects

63. ## ss01

A small ball of mass m=0.60 kg hangs from a massless string of length l= 0.8 m. The ball travels in a vertical circle and its speed at the bottom is v0= 5.0 m/s (see figure). Neglect all friction and air drag, and use g=10 m/s2 for the gravitational

Using color coded index cards as flashcards to study would be most effective for which of the following learning styles? A. Kinesthetic B. Visual C. Both b & c D. Auditory b

65. ## Chemistry

I need help with this chemistry flame test lab discussion question. "List the metals used in this lab in increasing order of the energy of the light emitted." We tested BaCl2, CaCl2, CuCl2, FE(NO3)3, KCl, LiCl, NaCl, & Sr(No3)2. I'm not completely sure how

66. ## Math

The slope of the line passing through p and q is -3/5. What is the value of x? P(1,4) Q(x,1) I got 6 but Im not sure

67. ## Physics plz help .

A meteorite of mass m= 2 ×10^4 kg is approaching head-on a planet of mass M= 6 ×10^29 kg and radius R= 8 ×10^4 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 7 ×10^2 km/s. Take G= 6.67

68. ## Math

If p^2-q^2=12, and p+q=4 What is the value of p?

69. ## History 1

1)What did Solon institute during his reign? 2)Identify the early groups that made up Greek Society?

70. ## Math

16. Mrs. Hamway is making outfits for the school dance team. She can make 2 1/4 outfits per day. How many days should it take her to make 18 outfits? A. 7 1/2 B. 8 C. 8 1/2 D. 9 C 17. Howard uses 2 /5 of a bag of flour to make a sheet cake. How many bags

71. ## SAT math

The slope of the line passing through p and q is -3/5. What is the value of x? P(1,4) Q(x,1)

72. ## PHYSICS(HELP!!!!!)

An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

73. ## physics

a woman weighs Fg=650 when standing on a stationary scale. The woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 9 m/s to 1 m/s in a time interval of 1 second.

74. ## Trigonometry

A jet plane flying 6000 m above the ground passed directly above Ana. one minute later, Ana noticed that the plane's angle of elevation was 18 degrees 34 minutes. What was the horizontal distance covered by the plane?

75. ## math

what whole number comes before 1000000

Hi we're practicing writing news obituaries.. This is my lead.. Can you tell me if it's ok or needs work? John Hoyer Jr., Cook County Board’s first black president, died Friday of complications from debilitating stroke suffered nearly two years earlier.

77. ## General

How do I delete an old question? BEcause of privacy issues

78. ## Chemistry (Dr. Bob222)

How can you tell if something is highly concentrated or lowly concentrated? For example: H2CO3, H+, HCO3-, CO3(2- charge), is in order of highest concentration to lowest concentration, can you explain why it is that order? Thanks for your help :)

79. ## finance

adams enterprises noncallable bonds currently sell for \$1030. they have a 15 year maturity, an annual coupon of \$85, and par value of \$1000. what is their yeild of maturity? a) 9.53% b) 8.15% c) 8.88% d) 8.55 % e) 7.41%

80. ## Finance

P5. A thirty U.S. Treasury bond has a 4.0 percent interest rate. In contrast, a ten-year Treasury bond has an interest rate of 2.5 percent. A maturity risk premium is estimated to be .2 percentage points for the longer maturity bond. Investors expect

81. ## Maths

Let V be the volume of the three-dimensional structure bounded by the region 0

82. ## Math

Hello, I'd like to know how in developing, factoring or simplifying, we can move from: A + ( (1 / ( (1 / ICD) + IED) ) to: ACD *( ( - ED + I ) / (1 - ECD^2 ) ) ACDE are strictly positive real constants. I is an imaginary number.

83. ## Thinking Mathematically - Geometry

A flagpole has a height of 16 yards. It will be supported by three cables, each of which is attached to the flagpole at a point 4 yards below the top of the pole and attached to the ground at a point that is 9 yards from the base of the pole. Find the

84. ## chemistry

Consider the reaction between 60.0 mL of liquid ethanol (C2H5OH; density = 0.789 g/mL) and 28.0 L of O2 at 27.0°C and a pressure of 1.51 atm? I am unsure of where to start with this problem...

85. ## maths

a triangle has sides of length 7 cm ,15cm and x cm. If x is an interger find (i) the minimum value of x (ii) the maximum value of x

86. ## Algebra 2

f(x) = x^2 + 2 g(x) = 2x^2 - 1 Find the domain of f+g, f-g, fg, and f/g Can someone please explain to me how you would do this problem?

87. ## chemistry

Compared to the particles of a gas, the particles of a liquid are not in constant motion collide with the sides of the container, but not with each other do not completely fill their container can move longer distances have more space in between the

88. ## Physics

A man is pulling on a rope with a force of 86 N directed at an angle of 64◦ to the horizontal. What is the x-component of this force? Answer in units of N What is the y-component of this force? Answer in units of N

89. ## Maths

(1)Evaluate 54 base 6 + 305 base 6, give your answer in base 6 (2) evaluate 785 base 9 + 306 base 9 , give your answer in base 9

90. ## Thinking Mathematically - Geometry

A rocket ascends vertically after being launched from a location that is midway between two ground-based tracking stations. When the rocket reaches an altitude of 4 kilometers, it is 5 kilometers from each of the tracking stations. Assuming that this is a

92. ## math

Let x = 2 and y = 4. Find the value of the given capital letter. N = x2 + 2xy + y2 + 1 does N= 37?

93. ## health

What indicators would warn you that the team that is planning this transition to an electronic health information management system is not functioning well

94. ## English

How do you write a good yet funny conclusion for an essay

96. ## physics(URGENT)

An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

97. ## Physics

A woman weighs Fg= 600 N when standing on a stationary scale. Now, the woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 7 m/s to 1 m/s in a time interval of 1 s.

98. ## Math

Evaluate 5a^2b-2ab+b^3 for a=3 and b=-1

99. ## math

rick borrows 48,000 the loan will be a 10% add-on loan interest will be charged for 2 full years, rick will repay on monthly basis what will the total amount of interest paid,what will be the monthly amount paid,what is true rate interest paid?

100. ## Chemisty

At STP 4 liters of O2 contains the same total number of molecules as 1L of NH3 2L of Cl2 8L of He 4L of CO2

101. ## Math

A 26ft ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 24ft from the base of the building. How high up the wall does the ladder reach?

102. ## Math

An architect has allocated a rectangular space of 666ft^2 for a square dining room and a 19ft wide kitchen. Find the width of the square dining room and the length of the entire rectangular space.

103. ## chemistry

An ideal gas is in a cylinder with a volume of 5.5 ✕ 102 mL at a temperature of 25°C and a pressure of 710 torr. The gas is compressed to a volume of 29 mL, and the temperature is raised to 810°C. What is the new pressure?

104. ## English

1. i can be a detective. 2. I could be a detective. 3. Maybe I could be a detective. (What is the difference among them in meaning?)

105. ## science

i need to know about acids and alkalis back in arab times

106. ## algebra 2

by 10 there are 25 people admitted to a park by 11 there are 50 what would a slope of zero between 2 consecutive hours mean and can the line between 2 consecutive numbers have a negative slope

107. ## Physics

A baseball is projected horizontally from the top of a building with an initial speed of 15 m/s. The ball strikes the ground 25 m from the base of the building. a. How long will it be in the air? b. How tall is the building?

108. ## Physics

A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k= 12 N/m. The static friction coefficient between the block and the surface is μs= 0.5 , and the kinetic friction

109. ## Math

The product of three numbers in geometric progression is 1, their sum is -2/3. Find the numbers.

110. ## SCIENCE (HELP)

how does the earth’s surface get heated by the sun’s radiation?

111. ## Physics

A resting eagle on a tree top finds a rabbit on the ground at a distance of 50 m from the base of the tree. The eagle applies a constant horizontal speed and uses gravity to descend. It catches the rabbit in 2.5 seconds. a. What is the height of the tree

112. ## Math

3. A study shows that 72% of graduates from local high school attended college. What fraction of the graduates attended college? A.18/25 B.17/25 C.13/25 D.1/2 E.3/8 A 6. The model below represents the equation x+4=4x+2 The first box shows one x and has

113. ## science

The piece of junk mail i found was about the new ipad air What is this piece of mail trying to persuade you to do? Were you at all tempted by the offer? Why or why not? What principles of social psychology does it use to accomplish its goals? How could you

30-day Money Back Guarantee Our Groom Co. electric shavers come with a 30-day money back guarantee because we are focused on ensuring your satisfaction. The only stipulation is that you use your new shaver exclusively for 2 weeks to become accustomed with

115. ## Physics

A piece of luggage is being loaded onto an airplane by way of an inclined conveyor belt. The bag, which has a mass of 20.0 kg, travels 6.50 m up the conveyor belt at a constant speed without slipping. If the conveyor belt is inclined at a 40.0° angle,

116. ## Probability and Statistics

Random Variables X and Y follow a joint distribution: f(x,y)=(6-x-y)/8 if 0

117. ## Chemistry

I need help with this chemistry flame test lab discussion question. "List the metals used in this lab in increasing order of the energy of the light emitted." We tested BaCl2, CaCl2, CuCl2, FE(NO3)3, KCl, LiCl, NaCl, & Sr(No3)2. I'm not completely sure how

118. ## science

Find and save a piece of junk mail. What is this piece of mail trying to persuade you to do? Were you at all tempted by the offer? Why or why not? What principles of social psychology does it use to accomplish its goals? How could you use your social

119. ## Physics

WOMAN IN ELEVATOR A woman weighs Fg= 650 N when standing on a stationary scale. Now, the woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 8 m/s to 1 m/s in a

120. ## Math

11. Which two values are both equivalent to 240\$ A. 2.4 and 2 2/25 B. 2.4 and 2 2/5 C. 0.24 and 2 2/5 D. 0.24 and 2 2/25 B 12. Which list of numbers is in order from greatest to least? A. -5 ,0 ,1/4, 2, 7/3, 6 B. 6 ,-5 ,7/3 ,2 ,1/4 ,0 C. 7/3,6,2,1/4,0,-5

121. ## Physics plz help :(

Q.) A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k= 18 N/m. The static friction coefficient between the block and the surface is μs= 0.7 , and the kinetic

122. ## Physics

MASS PUSHED BY A SPRING A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k= 16 N/m. The static friction coefficient between the block and the surface is μs= 0.7 ,

123. ## math

what is the place value of each digit. 2 004 560 220

Ab+ab=

125. ## College algebra

-I need help solving this 72/(-4)+3(-4) _________ 5-(-5)

126. ## Math

Suppose you wnat to purchase a house for 650,000. !@#\$%^& much of the loan would be left after 10 years if the interest rate was 3.8 % and it was a thirty year mortgage? And if you made the montly payments for ten years, and then increase your payment to

127. ## physics

A thermal neutron beam of intensity 1 to the power 11, neutrons/sec is directed for 2 days into a cavity in a block of cobalt initially composed entirely of the stable isotope Cobalt 59. The neutrons are all captured, producing cobalt 60 nuclei which are

128. ## Probability and Satistics

Random Variables X and Y follow a joint distribution: f(x,y)=(6-x-y)/8 if 0