# Questions Asked onJanuary 17, 2015

1. ## calculus

A rectangular box has a square base with an edge length of x cm and a height of h cm. The volume of the box is given by V = x2h cm3. Find the rate at which the volume of the box is changing when the edge length of the base is 12 cm, the edge length of the

2. ## Math

1. What is the range of the ages shown in the stem-and-leaf plot? 3|0,2 4|1,4,4,5 5|3,5,8,9 6|2,2,2,5,6,8 7|5,5,6 A. 4 B. 6--- My answer C. 34 D. 46 What is the median of the ages shown in the stem-and-leaf plot? 58 58.5 59---- my answer 59.5 What is the

3. ## Literature

The civil rights movement consisted of many events, such as freedom rides and sit-ins. Some of the events, such as fires and murders, were violent and unsettling. But the killing of the four little girls in Birmingham is considered one of the most

4. ## Geometry

find the distance between the cities. Assume that Earth is a sphere of radius 4000 miles and that the cities are on the same longitude (one city is due north of the other) Dallas, Texas Latitude: 32* 47' 39" Omaha, Nebraska Latitude: 41* 15' 50"

5. ## chemistry

A. What is the standard potential, in volts, of a galvanic cell made of Ce4+ and Cu2+, given the standard reduction potentials below? Ce4+ + e− → Ce3+ Eº = 1.61 V Cu2+ + 2e− → Cu(s) Eº = 0.34 V I think it is 1.27 V but it might be 1.95V b. How

6. ## math

the average annual rainfall for a town is 43.2 inches. I know the monthly rainfall has to be 3.6 inches. the difference of a given month's rainfall from the average monthly rainfall is called the deviation. what is the deviation for each month shown? may 2

7. ## Math

A drawer contains 22 black socks, 22 white socks, and 22 blue socks.  If the light is off and Matt reaches into the drawer to get his socks, what is the minimum number of socks he must pull out in order to be sure that he has a matching pair?

8. ## Health and Physical Education 8

First of all, I'm not tryna suck up to get my question answered but i have to commend you people for taking your time to help others ON A SATURDAY! U guys r awesome. But anyways, my question: A main function of the skeletal system is to A.protect internal

9. ## Math

Multiplication is defined as repeated addition. Use the word repeated to define exponential form. Justify your reasoning.

10. ## calculus

A 15-ft ladder rests against a vertical wall. If the top of the ladder slides down the wall at a rate of 0.33 ft/sec, how fast, in ft/sec, is the bottom of the ladder sliding away from the wall, at the instant when the bottom of the ladder is 9 ft from the

11. ## Chemistry

1. Why can’t gravimetric analysis be used to determine the concentration of sodium nitrate (NaNO) in a solution? 2. Why is it important in gravimetric analysis to add an excess amount of precipitating ions to a solution containing an analyte? 3. Relate

12. ## Literature

Dr. Martin Luther King spoke at the funeral of three of the little girls killed in the Birmingham bombing. In his eulogy, he said, “The innocent blood of these little girls may well serve as a redemptive force that will bring new light to this dark

13. ## Physics

Two point charges q1 and q2 are held 4.00cm apart. An electron released at a point that is equidistant from both charges undergoes an initial acceleration of 9.00×10^18m/s^2 directly upward in the figure, parallel to the line connecting q1 and q2. See the

14. ## Constitution

Article I, Section 6 of the Constitution is often referred to as: A. the Due Process Clause. B. the Interstate Commerce Clause. C. Due Diligence Clause. D. the Freedom from Arrest Clause. im confused between A and B 2. What case invalidated an earlier

15. ## Computer Literary

Which of the following is Not an example of debugging A)Looking for errors in programming code B)Fixing misspelled commands in programming code C)Solving faulty logic in programming code D)Upgrading to improve the programming code

16. ## Geometry

Prove that image of focus at any tangent to parabola lies on its directrix.

17. ## Calc Physics

The velocity as a function of time for an asteroid in the asteroid belt is given by v(t)= vo e^(-t/to)i + (vo t/ 2 to) j with vo and to constants. Use ti = 0 as the initial time, and tf = 472 s as the final time. The values for the constants that you will

18. ## Algebra 1

Write a scientific notation for .0042 My answer is 4.2 10^-3

Can you check these please? 4. A local bakery sold 60 loaves of bread in one day. If 65% of these were sold in the afternoon, how many loaves were sold in the afternoon? Ans: x = .65 * 60 x = 39 loaves 7. Ruben bought 6new books for his collection. This

20. ## Calculus

1. The radius of a sphere is expanding at a rate of 14 in/min. a) Determine the rate at which the volume is changing when the radius is 8 in. b) Determine the rate at which the surface area is changing when the radius is 8 in. 2. A particle moves along a

21. ## constitution

Which of the following best describes the impeachment process? A. The Senate impeaches and the House tries the impeachment. B. The Senate impeaches and tries the impeachment. C. The House impeaches and the Senate tries the impeachment. D. The House

22. ## algebra

Ten years from now Tim will be twice as old as Jane was when mary was nine times as old as tim. Eight years ago, Mary was half as old as Jane will be when jane is one year older than Tim will be at the time when Mary will be five times as old as Tim will

23. ## Constitution

Which case gives Congress the most authority under the Commerce Clause? A. U.S. v. Lopez B. Wickard v. Filburn C. U.S. v. Morrison is it B 2. Who possesses the authority to suspend habeas corpus? A. Congress B. President C. Both Congress and the president

24. ## science

Which constellations are visible from Canada in all seasons?

25. ## chemistry

Identify the Oxidation and reduction half reaction in 2 KMNO4 + 10 FeSO4 + 8 H2SO4 -> K2SO4 + 2 MNSO4 + 5 Fe2(SO4)3 + 8 H2O Write net ionic equation

26. ## physics

Wayne exerts a force of 70 . 9 N to pull a 409 N sled along a snowy path using a rope that makes a 48 ◦ angle with the ground. The sled moves 19 . 9 m in 4 . 3 s. What is Wayne’s power? Answer in units of W.

27. ## physics

Wayne exerts a force of 70.9 N to pull a 409 N sled along a snowy path using a rope that makes a 48◦ angle with the ground. The sled moves 19.9 m in 4.3 s. What is Wayne’s power? Answer in units of W. PLEASE HELP!

28. ## Chemistry

For a particular reaction, ΔH = -328.21 kJ and ΔS = 98.7 J/K. Calculate ΔG for this reaction at 298 K.

29. ## Chemistry

How do I find x and y in the following equation: 222. 4 86 Rn - 2 He + X 228. 0 -1 e. + y 88ra

30. ## English

Q1)In "Mowgli's Brothers," why does Shere Khan insist that Mowgli be give to him? -He views Mowgli as his prey*** -He believes in the following the Law of the Jungle. -He thinks he can take better care of Mowgli than the wolves. -Mowgli's famil has done

31. ## Math

Jones bought a radio on hire purchase terms. He paid a deposit of \$ 500 and 22 equal monthly installments of \$ 250. If the cash price of this radio was three quarters of the hire purchase price, what was the cash price?

32. ## algebra

the lenght of a rectangular is 50 feet more than the width,it the perimeter of the basketball court is 300 feet,what is the lenght of the field

33. ## Physics

A car accelerates at a rate of 5m/s2 for a period of 4.2 seconds and then moves at a constant speed for 8 seconds more. How far did it travel?

34. ## math

• what is statistics • Perspective statistics • inferential statistics • Data statistics • Example of a Quantitative data • Example of a Qualitative data • What is population •what are the different scale of measurement • what are the

35. ## Physical science

Two forces of 5N and 7N respectively act on an object. When. will the resultant of the two vectors be at a maximum?

36. ## History

Inventor of Steamboat? Answer : Robert Fulton Name of his first steamboat Answer : Clermont Effects of invention were faster and cheaper ___ on rivers and oceans Answer : loads Opens new ______ for trade since it can travel faster with heavier loads than

37. ## Chemistry

Problem: Calculate the pH titration of 50 mL of 0.02M H3PO4 from pH 1 to 13 with 0.4M NaOH. So I believe the balanced reaction is: H3PO4 + OH --> H2PO4 + H2O (Since Na I believe is insignificant, maybe that's wrong. If so then, H3PO4 + NaOH --> NaH2PO4 +

38. ## Thank you Ms. Sue

You really helped me yesterday! I can't thank you enough!!! Thank you for all you do to help students!

39. ## science

please draw an atomic diagram showing electrons in different energy levels LI + N = MG + F = NA + F = AL + O = LI + O = K + S = MG + O =

40. ## Cardiovascular, Digestive Systems

A 42-year-old male is admitted to the hospital with chronic inflammation of the intestinal walls resulting in diarrhea, constipation, and melena. Which of the following conditions does the patient have? A. Malabsorption syndrome B. Intussusception C.

41. ## Constitution

If an individual activity does not affect interstate commerce, but the aggregate of that activity does, federal commerce jurisdiction exists under the: A. cumulative effects doctrine. B. Dormant Commerce Clause. C. resulting consequences doctrine. D.

42. ## Algebra

Find f o g and g o f, if they exist. State the domain and range f={(-4,-14),(0,-6),(-6,-18),(2,-2)} g={(-6,1),(-18.13),(-14,9),(-2,-3)}

43. ## physcis

Two small beads having charges q1 and q2 are fixed so that the centers of the two beads are separated by a distance d shown in the figure. A third small bead of charge q=10.0 x 10-9 C is placed between both charges a distance x from q1. a) If q1 = 31.0 x

44. ## Resp./Digestive

Which of the following is not an accessory digestive gland? A. Liver B. Submandibular gland C. Pancreas D. Frenulum

45. ## Geometry

if a circle passes through the point of intersection of the co-ordinate axes with the lines kx-y+1=0 and x-2y+3=0. find k.

46. ## History

The Erie Canal ran from _____ NY, on Lake Erie to _______ NY at the Hudson River Linking the Great:ales Regio (NW Territory) to the east coast what goes in the blank

47. ## Algebra

Find f o g and g o f, if they exist. State the domain and range f={(-8,-4),(0,4),(2,6),(-6,-2)} g={(4,-4),(-2,-1),(-4,0)(6,-5)}

48. ## Psychology

Much research is being conducted on repairing faulty sensory organs through devices such as personal guidance systems and eyeglasses, among others. Do you think that researchers should attempt to improve normal sensory capabilities beyond their

49. ## Algebra 2

Find all of the zeros of each function 1. q(x)=2x^3-17x^2+90x-41 2.x^3-5x^2-7x+51 3.x^4-9x^3+24x^2-6x-40 Please show work!!! I want to learn how to do it.

50. ## chemistry

I need to understand the following question 14/6 C has a half-life of 5600years. an analysis of charcoal from a wood fire shows that its 14c content is 25 per cent higher that of living wood How many years have passed.

51. ## Trigonometry

Hello! Explain why the primary trigonometric ratios depend only on the given angle and not the size of legs and hypotenuse of a right triangle? I am not 100% sure but it is because the angles have the same value for all of the ratios? Is it also because

52. ## Physics

An oil spill on the ocean is sometimes modeled as having a velocity that has two components: a wind induced velocity that is 3% of the true wind velocity and an independent tidal velocity Vtidal. The tidal velocity is 3.0 km/hr due north and V wind = 40

53. ## Math

The marked price of a sewing machine is \$ 15,000. A 5% discount is allowed of the machine bought for cash. On hire purchase, a deposit of \$ 6,000 plus three equal monthly installments of \$ 3,200 is required. Hali and John bought the sewing machines from a

54. ## Chemistry

The distribution co-efficient of butanoic acid (pKa = 4.8) between water and two organic solvents are given below; Benzene D= 3.0 Octanol D= 6.2 a) which organic solvent is expected to extract the acid most efficiently from the water? explain your answer.

55. ## Geometry

Explain through transformations the angle-angle criterion (AA) is sufficient to establish similarity in triangles.

56. ## engineering

In an electric car, regenerative braking is used to recharge batteries. The principle of regenerative braking involves converting the kinetic energy of the vehicle into energy stored in a battery. If a car is traveling at a speed of 30 km/h and is stopped

57. ## physics

Samantha is 1.21 m tall on her eleventh birthday and 1.32 m tall on her twelfth birthday. By what factor has her height increased?

58. ## History

What event does this describe Nation united under the Democratic Republican party, Shift from state to national sovereignty, Supreme Court strengthens the power of the federal gov

59. ## Chemistry

Can someone please tell me what to expect from Beginner High School chemistry? Is it mostly applying mathematics like physics? Or basically memorizing like biology? Thank you!

60. ## physics

Mass M is initially sliding down the inclined plane with a velocity of V = 4 cm/sec as shown. The coefficient of kinetic friction is μK = 0.2. Angle of 70 degrees. Assuming the mass does not reach the base of the incline before one second has passed,

61. ## Math

Sam and Rono bought similar radio cassettes from the same shop Sam bought her's for cash. Rono bought his on hire purchase terms by paying a deposit of \$ 4,000 plus 6 equal monthly installments of \$3,000 each. If Rono paid \$ 5,000 more than Sam, how much

62. ## math

The hire purchase price for a T.V set is made up of \$4,000 deposit and 18 equal monthly installments of \$1,200 each. Amos was given a discount of 20% on the hire purchase price on paying the cash for the T.V set. How much did he pay?

63. ## Chemistry (Re-post)

The distribution co-efficient of butanoic acid (pKa = 4.8) between water and two organic solvents are given below; Benzene D= 3.0 Octanol D= 6.2 a) which organic solvent is expected to extract the acid most efficiently from the water? explain your answer.

64. ## Chemistry

What will be the concentration of the solution obtained when 2500ml of water is added to a 37% v/v 1.19 g/ml (stock bottle)solution of hcl acid

65. ## economics

1. A sudden escalation in medical costs for treatment of ischemic heart disease would immediately: Answer Benefit providers. Be passed on to consumers. Benefit insurance companies. Decrease insurance company profits in the short term. Decrease tax revenues

66. ## maths

Convert binary num into decimal 1100

67. ## physical science

two force of 5n and 7n respectively act an object , when will the resultant of the two vectors be at a maximum

68. ## health

A person suffering from Cushing’s syndrome will have symptoms that include rapid weight gain, particularly of the trunk and face (moon face) with sparing of the limbs. Why & how does the syndrome affect the body in this way?

69. ## health

Could the consumption of hydrocortisone of 20mg daily to alleviate adrenal insufficiency also cause a “moon face” effect?

70. ## Constutitional Law

You are a paralegal assisting an attorney who is representing an individual who has been convicted of a murder during a home invasion and who was sentenced in state court to be executed. You are assisting with research for an appeal to the U.S Supreme

71. ## AP CHEMISTRY

an unknown metal reacts with chlorine to produce 6.84 g of metal chloride. when metal chloride dissolves in 100 mL of solvent the metal ion concentration is 0.43 M. What is the unknown metal?

72. ## Cardiovascular, Resp, Didestive Systems

Which one of the following words means "the surgical repair of the larynx"?

73. ## Cadio, RESP, Digestive Systems

Which one of the following words means "the surgical repair of the larynx"?

74. ## Geometry

2 circles with centers O and O' are drawn to intersect each other at points A and B. Center O of one circle lies on the circumference of the other circle. CD is drawn tangent to the circle with center O' at A. Prove that OA bisects angle BAC.

75. ## Chemistry

How to Prepare a 50 mM pH 6 Citrate buffer starting from citric acid as the sole source of conjugate base.

76. ## History

American System Congressman that proposed? Was it Henry Clay It was designed to make the nation _____________ not needing to trade with others to survive

77. ## English

I need to write an interpretation and meaning on the song "embers" by max richter(search it on youtube). Since I also need to choreograph a dance to this song for my dance class, I have decided to rename the song(which is my dance routine's name) as

78. ## Science

guys, please give me any ideas for a investigatory project in physics ???

79. ## Math

The marked price of a bicycle is \$ 6245. Dan bought the bicycle on cash terms and was given a 10% discount. Dave bought the same type of bicycle on hire purchase terms whereby he paid a deposit of \$ 3000 and 12 equal monthly installments of \$ 500. How much

80. ## Fiannce

A bond that 1,000 par value 11.9 percent interest payment are \$59.50 and are paid semiannually. The bond have a current market value of \$1,120and will make in 10yrs. The firm marginal tax rate 34 percent. The after tax cost of debt is?

81. ## AP Calc (Limits)

I'm trying to factor this equation in order to find its limit, but I'm not sure how to go about it. I can get the answer by graphing on a calculator but I need to do it without one. Function: F(x)=(x^2-36)/(sqrt(x^2-12x+36)) left, right, and overall lim as

82. ## Finance

A bond that has a \$1,00 par value (face value)and a contract or coupon interest rate of 10.1 percent. Interest payment are \$50.50 and are paid semiannually. The bonds have a current value \$1,125 and will mature in 10years. The firms marginal tax rate is 34

83. ## AP Calc (Limits on Piecewise Functions)

I'm trying to find the left, right, and overall limits of this function without using a calculator. Any help/suggestions on how I'm supposed to do this would be very helpful! f(x){ sinx if xpi/6

84. ## English

I need to write an interpretation and meaning on the song "embers" by max richter(search it on youtube! :)). Since I also need to choreograph a dance to this song for my dance class, I have decided to rename the song(which is my dance routine's name) as

85. ## Math literacy,physical science,CAT,life science

Can I still be a doctor without pure Maths?

86. ## Chemistry

How to perform a pH Titration of 25 ml of 50 mM Phosphoric acid from pH 1 to pH 13 with 1 N NaOH (including standardizing the NaOH).

87. ## Chemistry

How to Prepare a 50 mM pH 6 Citrate buffer starting from citric acid as the sole source of conjugate base.

88. ## geometry

Verify experimentally all theorem in chart paper.

89. ## AP Calc (Limits on Piecewise Functions) #2

I need help trying to find the left, right, and overall limits for this piecewise function without using a calculator. f(x) = { sin(x/3) if x≤pi , (x√ 3)/(2pi)if x>pi} when a=pi

90. ## Composite Functions

I'm trying to make sure I got this question right. I'm supposed to find (g * f)(x) when f(x)x^2-2x and g(x)=√(x-15). This is what I've got: (g * f)(x) = g(f(x)) √ (x^2-2x)-15= √(x^2-2x-15)= √(x-5)(x+3)

91. ## Geometry

determined three points P(x1, y1, z1), Q (x2, y2, z2), and R(x3, y3, z3). find the center of weight of triangle PGR?

92. ## Geometry

How to find point of intersection of direct common tangents for two circles which touch each other?

93. ## National Government

The principal powers of Congress include all except the power of the purse. the power to declare war. implied powers. x the power to hire generals.

94. ## Science

Please help me to solve this equation. Than you for your time and efforts. Here is the question? Jupiter at its closest approach to earth is about 630,000,000 kilometers, the diameter of Jupiter is 140,000 km, calculate the angular diameter of Jupiter in