# Questions Asked onFebruary 14, 2016

1. ## life orientation

discuss three ways in which one's acceptance of responsibility can influence effective communication

2. ## life orientation

List two issues in sport that can impede nation building

3. ## Physics

In the figure, the two blocks are attached by a massless rope over a frictionless pulley, and block M1 slides on the table without friction. The masses of the blocks are: M1 = 8.10kg and M2 = 3.90kg. Calculate the tension in the rope. ( g = 9.80 m/s2)

4. ## URGENT! Due soon and I used 8 of 10 attempts

Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive isotope 14C present in the object. The amount of isotope decreases in a first-order process. If 14.5% of the original amount of 14C is present

5. ## life orientation

evaluate how each of the following personality types deals with interpersonal conflict 1. passive/introvert 2. aggressive/bully 3. assertive/extrovert

6. ## Calculus

Find the area of the region bounded by the graphs of y = x, y = 6 - 2x, and y = 0. (4 points) 3 6 9 None of these Please help I don't know how to do this

8. ## Calculus

Sorry this is really long. Just wondering how I would do each of these A particle is moving with velocity v(t) = t^2 – 9t + 18 with distance, s measured in meters, left or right of zero, and t measured in seconds, with t between 0 and 8 seconds

9. ## life orientation

justify why each of the following attitudes and behaviour will be ineffective when dealing with interpersonal conflict 1. avoiding conflict 2. competing with one another 3. compromising your viewpoint

10. ## Math

The base of a pyramid-shaped tank is a square with sides of length 12 feet, and the vertex of the pyramid is 10 feet above the base. The tank is filled to a depth of 4 feet, and water is flowing into the tank at the rate of 2 cubic feet per minute. Find

11. ## Physics

A toboggan approaches a snowy hill moving at 11.1 m/s . The coefficients of static and kinetic friction between the snow and the toboggan are 0.410 and 0.280, respectively, and the hill slopes upward at 42.0 ∘ above the horizontal. A)Find the

12. ## Chemistry

A solution containing equal masses of glycerol, C3H8O3, and water has a density of 1.10 g/mL. Calculate the molality of glycerol. I got 11.9 m.

13. ## Math

the amount (in milligrams) of a drug in the body t hours after taking a pill is given by A(t)=30(0.8)t . (a) What is the initial dose given? (b) What percent of the drug leaves the body each hour? Percent: (c) What is the amount of drug left after 9 hours?

14. ## Calculus

The base of a solid is the circle x2 + y2 = 9. Cross sections of the solid perpendicular to the x-axis are semi-circles. What is the volume, in cubic units, of the solid?

15. ## Math

A science class has 3 girls and 3 boys in the seventh grade and 4 girls and 1 boy in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she

16. ## Geometry 1

Ship A and Ship B leave from the same point in the ocean. Ship A travels 150 mi due west, turns 65° toward north, and then travels another 100 mi. Ship B travels 150 mi due east, turns 70° toward south, and then travels another 100 mi. Which ship is

17. ## algebra

The number of years, N(r), since two independently evolving languages split off from a common ancestral language is approximated by N(r)= -5000 1n r, where r is the proportion of the words from the ancestral language that is common to both languages now.

18. ## physics

(a) Two point charges totaling 7.50 µC exert a repulsive force of 0.100 N on one another when separated by 0.561 m. What is the charge on each?

19. ## Physics

A 50 g sample of an unknown metal is heated to 90.0C. It is placed in a perfectly insulated container along with 100 g of water at an initial temperature of 20C. After a short time, the temperature of both the metal and water become equal at 25C. The

20. ## chemistry

The first ionization energy, E, of a boron atom is 1.33 aJ. What is the wavelength of light, in nm, that is just sufficient to ionize a boron atom? Values for constants can be found here.

21. ## Finance

Gluon Inc. is considering the purchase of a new high pressure glueball. It can purchase the glueball for \$110,000 and sell its old low-pressure glueball, which is fully depreciated, for \$20,000. The new equipment has a 10-year useful life and will save

22. ## math

The ages of two children are 11 and 8 years. In how many years' time will the product of their ages be 208?

23. ## Physics

A shot-putter throws the shot ( mass = 7.3 kg) with an initial speed of 14.0 m/s at a 36.0 ∘ angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.20 m above the ground.

24. ## life orientation

justify why each of the following personality types deals with interpersonal conflict: 1. avoiding conflict 2. competing with one another 3. compromising your viewpoint

25. ## Algebra 2

How would you write a polynomial function with rational coefficients so that P(x)=0 has the given roots? The given roots are -2,-2,3,5

26. ## Calculus

An elementary student kicks a ball straight into the air with a velocity of 16 feet/sec. If acceleration due to gravity is -32 ft/sec^2, how many seconds after it leaves his foot will it take the ball to reach its highest point? Assume the position at time

27. ## Physics

Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V batteries of a 845-kg electric car be able to supply to do the following? (a) accelerate from rest to 25.0 m/s in 1.00 min (b) climb a 200-m high

28. ## Chemistry

At what pressure would 0.150 mole of nitrogen gas at -23.0^o C occupy 8.90 L ?

29. ## physics

Two knights on horseback start from rest 88.0 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of .300 m/s^2, while Sir Alfred's has a magnitude of .200 m/s^2. Relative to sir Ggeorge's starting point,

30. ## pre cal 11

the sum of the first n terms of an arithmetic series is Sn=2n^2+5n. Determine the first 3 terms. Help!!!

31. ## algebra

the 9th term of an A.P is 52 while he 12th term is 70. find the sum of is 20 term

32. ## Chemistry

A first-order reaction has a half-life of 26.4 seconds. How long does it take for the concentration of the reactant in the reaction to fall to one-eighth of its initial value?

33. ## Maths

Find the equation of the parabola with latus rectum joining the points (3,5) and (3,-3)

34. ## Algebra

In a right triangle, one angle measures x degrees where sin x degrees= 5/8. What is the value of cos (90 degrees-x) ?

35. ## Chemistry

A solution containing equal masses of glycerol, C3H8O3, and water has a density of 1.10 g/mL. Calculate the molality of glycerol. I got 11.9 m.

36. ## Maths

The probability that I have to wait at the traffic lights on my way to school is 0.45. Find the probability that on 3 consecutive mornings I have to wait: A) Once B) Twice

37. ## Math

the ratio of father's age to his son age is 8:3. in 5 year's time the sum of their ages will be 54. how old are they

38. ## Physics

A 50 g sample of an unknown metal is heated to 90.0C. It is placed in a perfectly insulated container along with 100 g of water at an initial temperature of 20C. After a short time, the temperature of both the metal and water become equal at 25C. The

39. ## socialstudies

1. Which is an example of checks and balances? The constitution contains a bill of rights that details the basic rights of the state’s citizens. The constitution clearly outlines voting requirements and the qualifications for holding public office. The

40. ## Chemistry

1. Explain why the can collapsed using the Combined Gas Law where T1 is the initial temperature of the air inside the can before the can was inverted and T2 is the temperature of the air inside the can after it was plunged into the ice water. 2. Why did

41. ## maths

A tramp collects end-stubs of cigarettes and makes one full cigarette with every 6 end stubs. If he gets 72 end stubs how many full cigarettes can he smoke?

42. ## Maths

Two tetrahedral dice are thrown; one is red and the other is blue . The number on which each lands is noted, the faces being marked 1,2,3,4. Find the probability that the sum of the numbers on which the dice lands is 6 given that the red die lands on an

43. ## maths

At 3h00 a clock strikes the bell 3 times. The time between first and last strike is 30 seconds. How long does it take to strike the bell at 12h00?

45. ## Algebra

The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. The trip takes 15 hours for a car moving at 54 mph. What is the speed of a car that makes the trip in 27 hours?

46. ## Chemistry

This is a stoichiometry equation. Cu(s) + 4(HNO3)(aq) -> Cu(NO3)2(aq) + 2(NO2)(g)+2(H2O)(l) If you use 6 moles of nitric acid 4(HNO3), how many moles of Copper (II) Nitrate Cu(No3)2 will be produced?

47. ## Economics

4. Deregulation and the Cost of Trucking. Suppose the government initially limits the number of trucking firms that can haul freight. The market for truck freight is served by a single firm that produces five million ton-miles of service per year, where

48. ## Maths

Find the equation of the parabola with its axis parallel to x-axis and passing through the points (-2,1),(1,2),(-1,3)

49. ## mathematics

A book shelf contains x books.when 4/5 of the books are removed,I have 25 books left.how many were on the shelf.please show ur workings

50. ## Chemistry

1. As the intermolecular forces between molecules increase in magnitude, do you expect each of the following to increase, decrease or remain the same? My answers: Viscosity: increase Boiling point: increase Vapor pressure: decrease Surface tension:

51. ## SOC 203 Quiz Help

Question 1. ALL BUT ONE of the following types of violence occurs because of gender inequality, according to Feminist theory: (Points : 1) rape intimate partner abuse sibling abuse x workplace violence Question 2. Which of the following is one of the ABCs

52. ## maths

a quality control inspector found that 1.3percent of 1500 computer inspected were defective how many computer were defective

53. ## maths

a survey of 250 people showed that 220people favored a candidate for re-election what percent of the people surveyed favoured the candidate

54. ## chemistry

If a solution containing 22.34 g of mercury(II) perchlorate is allowed to react completely with a solution containing 6.256 g of sodium sulfate, how many grams of solid precipitate will be formed?

55. ## Physics

A tug is capable of building a ship with a force of 100 KN.if two such tugs are pulling on one ship,they can produce any force ranging from a minimum of 0 KN to a maximum of 200 KN.give a detailed explanation of how this is possible. Use diagram to support

56. ## science

A box is pulled across the floor a at constant speed it is pulled horizontal force of 48 N

57. ## Foundations 06042400

1. When a manager performs symbolic duties as the head of an organization, that manager is called a A. spokesperson. C. leader. B. figurehead. D. liaison. 2. What is one characteristic of the Industrial Revolution in America? A. The farming society grew to

58. ## maths

there were 13426 eligible voters for a certain election one election day 8206 people cast their vote what wase the percent of voter turn out

59. ## kendy

which of the following sentences demonstrates correct subject verb agreement? A) Neither the relics nor the ancient text reveal much about the ancient civilization. B)Neither the relics nor the ancient texts reveal much about the ancient civilization.

60. ## Assessment

Authentic and performance assessments strive for greater realism and complexity of tasks under the premise that real-life problems can often be solved ______________.

61. ## Maths

The vector v has magnitude 17 and makes an angle of 105 with the positive x direction. Express v in terms of components, with i and j being unit vectors pointing in the positive x and y directions.

62. ## science

A light inelastic string connects two objects of mass 6kg and 3kg respectively. They are pulled up an inclined plane that makes an angle of 30 degrees with the horizontal,with a force of magnitude F. Ignore the mass of the string. Calculate the tension in

63. ## maths

A tramp collects end-stubs of cigarettes and makes one full cigarette with every 6 end stubs. If he gets 72 end stubs how many full cigarettes can he smoke?

64. ## chemistry

Consider a sample of excited atoms that lie 3.211 × 10–19 J above the ground state. Determine the emission wavelength (in nanometers) of these atoms.

65. ## chem

How do you do this? 4 NH3 + 3 O2 --> 2 N2 + 6 H2O c.) Assume 1.0 mol N2 is produced. Calculate the moles required for each reactant. Calculate the moles that can be produced for the other product. d.) Assume 0.40 mol H20 is produced. Calculate the moles

66. ## Chemistry

Hey there! I have these two questions for my chemistry class, and I am a little confused on how I should go about solving them. If someone could give me the steps necessary to solve these problems I would be most appreciative. 1.) p-Toluenesulfinic acid

67. ## math

sum of 1 to 198 odd positive intigers

68. ## Chemistry

A bolt is ordered with a thread of a diameter of 1.25 inches, what is the diameter in millimeters? If the order was mistaken for 1.25 centimeter by how many millimeters would the bolt be in error?

69. ## Chemistry

What is the volume of 2.0 kg of isopropyl alcohol at 20 degrees Celsius? Density at 20 degrees is 0.785g/ml. I got .00255 ml when using 3 sig figs.

70. ## Math

Each side of a cube is increasing at the rate of 9cm/s . When the lenght of each side is 5 cm , find the rate of inscrease of its volume and total surface area .

71. ## AP Calculus AB

Which integral gives the area of the region in the first quadrant bounded by the axes, y = e^x, x = e^y, and the line x = 4? The answer is an integral. I know y=e^x has no area bounded, but I don't know how to incorporate it all.

72. ## Math

Create a function which has the following properties: a. It has a horizontal asymptote at y=2 b. It has a discontinuity at x=2 which is not a vertical asymptote c. It has no other discontinuities or asymptotes

73. ## Calc

The figure shows the graph of f(x)=xe^x, x greater than or equal to 0. figure: f(x) curve is drawn and under the max. point/ concave down curve there is an inscribed rectangle. with width from a(left) to b(right) and height up to a certain point of f(x).

74. ## Mathematical Literacy

How many hours,minutes and seconds makes 1461 days ?

75. ## science

Two knights on horseback start from rest 88.0 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of .300 m/s^2, while Sir Alfred's has a magnitude of .200 m/s^2. Relative to sir Ggeorge's starting point,

76. ## Physical science

What is the force of gravity between two 1215 kg cars separated by a distance of 31m on an interstate highway

77. ## Math

You are trying to decide if you have enough money to retire. You are expecting \$2,500 a month from Social Security. You have \$1.2 million in your retirement savings, and you only want to use the earnings to live on, which is at an 8% annual rate. You are

78. ## Chemistry

Create a balanced equation for the reaction between sodium and bromine. Find how many grams of salt can be made from 5.00 grams of sodium and unlimited bromine. Is it about 39.8 g NaBr2?

79. ## Java Programming

I am trying to finish this final problem on my Java homework. Due to a death in the family I've missed a class and now am trying to get back on track. Write a driver class called GasPumpDriver that meets the following specifications: • Prompt the user to

80. ## Programming

#include int main() { char ch; printf("Enter Your State Name : "); scanf("%c",&ch); if(ch == 'a') printf("Shipping Charge : \$25"); else if(ch == 'b') printf("Shipping Charge : \$50"); else if(ch == 'c') printf("Shipping Charge : \$65"); else printf("The

82. ## chemistry

a) The combustion of an organic compound in the presence of excess oxygen produced a gas , which makes clear lime water turbid. What element can be identified?

83. ## Science

Two tugboat A and B tow alarge boat in an easterly direction the cable which are connected to A and B respectectively make angles of 45 degrees north of east and 30 degrees south of east to the direction of motion (question it the tension fa is equal to

84. ## American History

If one leve of government provides money to another level of government and it is distributed according to a particular set of rules that specify who is eligible for the grant and how much each eligible applicant will receive, it is known as a_____. A.)

85. ## chemistry

Solutioin A is sodiun hydroxide prepared by dissolving 2.0g in 250cm what is molar concentration of sodium hydroxide

86. ## physical sciences

Calculate the mass in kilograms of one atom of ununhexium

87. ## physics

two people kick a ball. one of them kicks it with a force of 215.0 newtons. the other one with 189.0 newtons. their approach creates a 210.0 degree angle at the point of impact and causes the ball to go in a different direction. what is the resultant of

88. ## Math

If you made \$3,000 a year in contributions to your retirement account starting at the age of 25, making an average of 8% annual return, how much will you have at the age of 65?

89. ## Discrete Math!

Hi, How would you go about showing that the proposition below is a tautology using algebraic manipulation of logical equivalences (not using a truth table)? ( ( p ∨ q) ∧ ( p → r) ∧ ( q → r) ) → r Thanks!

90. ## American History

A system of government in which the power to govern is concentrated in the hands of one individual is known as? A.) Autocracy B.) Democracy C.) Theocracy D.) Oligarchy

91. ## Math

The height of cylinder is deacrease at 0.3cm/s whereas its radius increase at the rate of 0.4cm/s.determine the rate of change of its volume if the radius and the height of the cylinder are 10 cm and 12 cm

92. ## chem

Suppose a g is collected in 145 mL flask whef-tfle temperature of the gas is 23°C and the pressure of the gas is 785 mm Hg. Calculate the volume ofthe gas at STP.

93. ## math

1) the electronic scoreboard at the cricket stadium is 10m^2. For the world cup the score board was enlarged. They increased the length by 1m and the width by 3m. By doing so, the area of the scoreboard tripled. Determine the original length and width of

94. ## phy 231

A car of mass 860.0 kg accelerates away from an intersection on a horizontal road. When the car speed is 39.6 km/hr (11.0 m/s), the net power which the engine supplies is 5700.0 W (in addition to the extra power required to make up for air resistance and

95. ## Math

You think you need \$1.5 million and your retirement advisor thinks you will average 8% a year on your account. How much will you need to contribute a year to your account if you have 40 years to your retirement?

96. ## Chemistry

calculate kp for the reaction below. PCl3(g) + Cl2(g) ⇌ PCl5(g) How can I calculate it?

97. ## World History (one small question)

In the picture "The News Reaches Bogota" what is Bogota?

98. ## Math

One positive integer is three moee than twice another and their sum is greater than 65 but less than 75. What pairs of integers satisfy this conditions?

99. ## algebra

three more than the product of 17 and Matt's height

100. ## PLZ HELP MATH

this is pre calc arithmetic sequence. AT sea lvl pressure is 14.7 psi. It increases by 14.7 at every 30 ft descent. What is pressure at 1000 ft.

101. ## science

the radius of planet x is twice that of the earth and its mass is also twice that of the earth. The gravitational acceleration on planet x would be approximatley?

102. ## science

What do you mean by law of conservation of energy. Use this law to find speed of an object just before hitting the ground if it is allowed to fall through a height of 19.6m.

103. ## Algebra ASAP

Can anyone show me how to simplify this step-by-step? THANKS A MILLION! (6x^-2)^2(0.5x)^4

104. ## pre calc, also forget my previous question

so at sea lvl pressure is 14.7. EVERY 30 FT DESCENT ITS INCREASES BY 14.7 PSI MORE. what is the pressure at 1000ft. my question is what would be the first term 14.7 or 29.4. AS 14.7 would be the 0 term. term 1 would be 29.4 as its 30 ft below. sea lvl

105. ## Chemistry

What Mass Of Copper(i)oxide Is Formed By Burning 10.5g Of Copper(i)sulfide

106. ## Maths

principal = 3000 rate =35/4 time = 1year 2 months interest =

107. ## Algebra

How do you find the zeroes of a function and their multiplicities? Y= (x-2)^3(2x+5)^2

108. ## Math

You are currently making \$70,000 a year after taxes and are interested in maintaining your current income. If you are expecting \$2,500 a month from Social Security, how much will you need to withdraw from your retirement accounts monthly?

109. ## Programming

#include int main() { char ch; printf("Enter Your State Name : "); scanf("%c",&ch); if(ch == 'a') printf("Shipping Charge : \$25"); else if(ch == 'b') printf("Shipping Charge : \$50"); else if(ch == 'c') printf("Shipping Charge : \$65"); else printf("The

110. ## COMPUTER

WHAT IS THE PROGRAMME IN QBASIC THAT ALLOW THE USER TOENTER HIS/HER NAME AND THEN DISPLAY A WELCOME NOTE TO THE NAME.

111. ## Calculus

Create a function which has the following properties: a. It has a horizontal asymptote at y=2 b. It has a discontinuity at x=2 which is not a vertical asymptote c. It has no other discontinuities or asymptotes Explain how your answer satisfies the previous

112. ## Science

Why are weather balloon soundings done at the same time around the world?

113. ## pre calculus

Sn= 2n^2+5n IS THE SUM OF THE FIRST N TERMS OF AN ARITHMETIC SERIES. determine first 3 terms

114. ## trigonometry

I need help solving this problem. Question: At what points will the line y=-x intersect the unit circle x2+y2=1?

115. ## science

Determine graphically the equilibrant of two forces of 15N and 20N if the angle between them is 135degrees

116. ## math

Draw four more rectangles with areas equal 24cm^2?

I don't know what to become when I grow up

118. ## World History (one small question)

When was the Panama Canal completed?

119. ## American History

Georgia's Continued use of the dealth penalty is an attempt to fulfill the governments purpose of _____. A.)Democracy B.)Order C.)Freedom D.)Equality

120. ## MATH

What is the p.o.i for these set of equations (the substitution method) 2x+y=6 3x+2y=6 i tried to solve this many times but i keep getting different answers. What does x= and what does y=?

121. ## maths

Let (xk) ⊂ Rn and x ∈ Rn: Show that xk → x in Rn if and only if for every y ∈ Rn the sequence (⟨xk; y⟩) ⊂ R converges to ⟨x; y⟩, that is, ⟨xk; y⟩ → ⟨x; y⟩ in R.

122. ## Managerial Finance

Isabelle wants to save up an amount of \$150,000 for her son's college education fees, coming up in 5 years. Find the amount that should be invested today if the bank pays an interest rate of 5% compounded annually

123. ## chemistry

Q1) Write down all possible dissociation reactions of the following species: a) Perchloric acid. b) Propanoic acid. c) Ammonium ion. d) Sulfurous acid.

124. ## Math!

Hi, How would you go about showing that the proposition below is a tautology using algebraic manipulation of logical equivalences (not using a truth table)? ( ( p ∨ q) ∧ ( p → r) ∧ ( q → r) ) → r Thanks!

125. ## math algebra

List the following element 1) xuy 2) yut 3) xut 4) ynt

126. ## precalc11

arctic games held every 2 years. in 1970 it had 700 competitors in 2000 it had 2000. determine the ANNUAL growth rate. Helpppppppp!

127. ## science

it is possible for two obje to have the same dimensin but different units