# Questions Asked onMarch 16, 2012

1. ## CHEM

Calculate ΔSfus and ΔSvap for HF. Determine the entropy change when 7.60 mol of HF(l) freezes at atmospheric pressure. I already calculated ΔSfus as 24.103 J/k*mol and ΔSvap as 86.07 J/K*mol....These are correct (I checked them already). I need help

2. ## Pre-Calc

The Greek mathematician Eratosthenes (ca. 276-195 B.C.) measured the circumference of the earth from the following observations. He noticed that on a certain day the sun shone directly down a deep well in Syene (modern Aswan). At the same time in

3. ## Chemistry

Refer to the following equation: 4NH3 + 7O2= 4NO2 +6HO, How many moles of ammonia would be required to produce 11.9 mol of water? Can you please walk me through the steps on how to figure this problem?

4. ## physical

baseball is hit with a speed of 30.0 m/s at an angle of 50 It lands on the flat roof of a 10m tall nearby building, If the ball was hit when it was 1.5 m above the ground, what horizontal distance does it travel before it lands on the building?

5. ## chemistry

which pair(s) of liquids will be miscible ? H2O AND CH3CH2CH2CH2CH3(PENTANE) C6H6 (BENZENE) AND CCl4(CHLOROFORM) C2H5OH (ETHANOL) AND CH3COOH(ACETIC ACID) how do you know if they are miscible?

6. ## chemistry

Consider the following reaction at 298 K: C(graphite) +2Cl2 (g) -----> CCl4(l) Calculate the following quantities. Delta H: -139 kJ/mol deltaS(sys)=? J/mol*K deltaS(surr)=? J/mol*K deltaS(univ)=? J/mol*K My answer is: deltaS(sys)=-253.3J/mol*K

7. ## Econ

The New York Times cost \$0.15 in 1970 and \$0.75 in 2000. The average wage in manufacturing was \$3.23 per hour in 1970 and \$14.32 in 2000. a. By what percentage did the price of a newspaper rise? b. By what percentage did the wage rise? c. In each year, how

8. ## Math-Probability

A law firm has six senior and fourteen junior partners. A committee of 3 partners is selected at random to represent the firm at a conference. What is the probability that at least one of the junior partners is on the committee?

9. ## maths: plzz help

(a) A polygon with n sides has a total of 1/p*n(n-q) diagonals, where p and q are integers. (i) find thhe value of p and q (ii) find the total number of diagonals in a polygon with 100 sides (iii) find the number of sides of a polygon which has a total of

10. ## math

if 2/12 yards of wire cost 15 cents what will 20 yards cost

11. ## Physics

A uniform solid sphere rolls down an incline without slipping. If the linear acceleration of the center of mass of the sphere is 0.21g, then what is the angle the incline makes with the horizontal?

12. ## physics

Three particles, each of mass 3.0 kg, are fastened to each other and to a rotation axis by three massless strings, each 0.360 m long, as shown in the Figure. The combination rotates around the rotation axis with an angular velocity of 19.0 rad/s in such a

13. ## physics

Two children, each with mass m = 11.0 kg, sit on opposite ends of a narrow board with length L = 4.5 m, width W = 0.30 m, and mass M = 9.4 kg. The board is pivoted at its center and is free to rotate in a horizontal circle without friction. What is the

14. ## Chemistry

An aqueous solution that 2.10 M in AgNO3 is slowly added from a buret to an aqueous solution that is 1.20×10^−2 M in Cl- and 0.260 M in I- . When the second ion begins to precipitate, what is the remaining concentration of the first ion?

15. ## Physics!!

A baggage handler throws a 16.0kg suitcase horizontally along the floor of an airplane luggage compartment with an initial speed of 1.40m/s . The suitcase slides 2.20m before stopping.Use work and energy to find the suitcase's coefficient of kinetic

16. ## Physics

The 3.80 kg cube in Fig. 15-45 has edge lengths d = 5.50 cm and is mounted on an axle through its center. A spring (k = 1300 N/m) connects the cube's upper corner to a rigid wall. Initially the spring is at its rest length. If the cube is rotated 2.00°

17. ## Geometry

What geometric figure does a regular polygon begin to resemble as the number of sides increases?

18. ## Physics (Rolling)

In Fig. 11-35, a solid brass ball of mass m will roll smoothly along a loop-the-loop track when released from rest along the straight section. The circular loop has radius R, and the ball has radius r

19. ## chemistry

A 30.00mL sample of a clear saturated solution of PbI2 requires 14.7mL of a certain AgNO3 for its titration. I^-(saturated PbI2)+Ag^+(from AgNO3)--> AgI(s) What is the molarity of this AgNO3? I'm not really sure where to start.

20. ## physics

a 25.0kg box is released from rest on a rough inclined plane tilted at an angle of 33.5 degrees to the horizontal. the coefficient of kinetic friction between the box and the inclined plane is 0.200. determine the force of kinetic friction acting on the

21. ## Physics

The 3.80 kg cube in Fig. 15-45 has edge lengths d = 5.50 cm and is mounted on an axle through its center. A spring (k = 1300 N/m) connects the cube's upper corner to a rigid wall. Initially the spring is at its rest length. If the cube is rotated 2.00°

22. ## physics

A train is rounding a circular curve whose radius is 1.87E+2 m. At one instant, the train has an angular acceleration of 1.51E-3 rad/s2 and an angular speed of 0.0470 rad/s. Find the magnitude of the total acceleration (centripetal plus tangential) of the

23. ## Physics

In the railroad freight yard, an empty freight car of mass m rolls along a straight level track at 1.1 m/s and collides with an initially stationary, fully loaded boxcar of mass 4.3m. The two cars couple together upon collision. (a) What is the speed of

24. ## Physics

A physical pendulum consists of 3.8 m long sticks joined together as shown in Fig. 15-41. What is the pendulum's period of oscillation about a pin inserted through point A at the center of the horizontal stick? Who can help me with this problem?

25. ## chemistry

which solution has highest freezing point if all are at the same molality calcium chloride sodium nitrate potassium sulfate iron(III) nitrate all have same freezing point please explain

26. ## Physics

A physical pendulum consists of 3.8 m long sticks joined together as shown in Fig. 15-41. What is the pendulum's period of oscillation about a pin inserted through point A at the center of the horizontal stick? Who can help me with this problem?

27. ## statistics

If you want to be 95% confident of estimating the population proportion to within a sampling error of and there is historical evidence that the population proportion is approximately 0.40, what sample size is needed?

28. ## chemistry

Calculate the number of grams of h2c2o4.2h2o needed to prepare exactly 250mL of a 0.200 N solution of the acid?

29. ## Chemistry

How many liters of gaseous carbon monoxide at 27 Celsius and 0.247 atm can be produced from the burning of 65.5 g of carbon according to the following equation? 2C+O2 ->2CO The answer i got was 1096.88 L CO But it has to be 544 L CO How do you get 544???

30. ## Algebra 2

(5y+5)/(y^2^+7y+6)*(y^2^+4y-12)/(y^2^+3y-10) Simplify Leave answer in factored form. Keep () around binomial factors.

31. ## physics

The system shown below consists of a block of mass M = 4.4 kg resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging block of mass m = 1.9 kg. The

32. ## physics

Suppose the spring in this spring-powered rifle has a spring constant of k = 1,000 N/m. How much work can it do in accelerating the projectile, if it is compressed by x = 0.10 m?

33. ## calc

consider the function f(x)=x^3 - x^2 - 3x -2. find the average slope of this function on the interval (-2,3). by the mean value theorem, we know there exists a c in the open interval (-2,3) such that f'(c) is equal to this mean slope. find the two values

34. ## Physics

Figure a is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.75 rad/s; figure b is a partial graph of the corresponding velocity function v(t). The vertical axis scales are set by xs = 2.50 cm

35. ## AP Language

What is Tan’s strategy behind including a direct quotation from her mother (paragraph 6) rather than paraphrasing what she said?

36. ## maths

bus tickets cost \$3 for an adult and \$2 for a child. there are 'a' adults nd 'c' children on a bus. the total number of people on the bus is 52. the total cost of the 52 tickets is \$139. find the number of children on the bus.

37. ## physics

A race car, starting from rest, travels around a circular turn of radius 20.8 m. At a certain instant, the car is still accelerating, and its angular speed is 0.515 rad/s. At this time, the total acceleration (centripetal plus tangential) makes an angle of

38. ## Chemistry

Calculate whether or not a precipitate will form if 1.30 mL of 0.80 M NH3 are added to 2.2 L of 1.0 10-3 M FeSO4. Calculate Q.

39. ## physics

A ball of radius 0.211 m rolls along a horizontal table top with a constant linear speed of 3.41 m/s. The ball rolls off the edge and falls a vertical distance of 2.27 m before hitting the floor. What is the angular displacement of the ball while the ball

40. ## calculus

Consider the function f(x)=3x^2 – 5x on the interval [-4,4]. Find the average slope of the function on this interval. By the mean value theorem, we know there exists at least one c in the open interval (-4,4) such that f’(c) is equal to this mean

41. ## Physics

A roller coaster reaches the top of the steepest hill with a speed of 3.0 km/h . It then descends the hill, which is at an average angle of 40 degrees and is 50.0 m long. Estimate its speed when it reaches the bottom. Assume kinetic friction (uk) = 0.18.

42. ## Math-Probability

An urn contains four red balls and three white balls. A sample of 2 balls is selected at random from the urn. What is the probability that at least one of the balls is red?

43. ## kinetics

a ball of mass 200 g is thrown vertically upwards with a velocity of 20ms-1 ignoring air resistance. a) calculate the kinetic energy of the ball as it is released b)calculate the maximum height reached by the ball c) state the velocity of the ball when it

44. ## Physics

A roller coaster reaches the top of the steepest hill with a speed of 3.0 km/h . It then descends the hill, which is at an average angle of 40 degrees and is 50.0 m long. Estimate its speed when it reaches the bottom. Assume kinetic friction (uk) = 0.18.

45. ## psychology

Any situation that involves learning a)requires some relatively permanent change to occur b)requires a great deal of effort. c)involves conscious determination d)is relatively automatic I'm working on my assignment and I am stuck on this question. I think

46. ## statistics

it has been reported that 40% of all internet users have been attacked by viruses. If 20 people are randomly surveyed, find the following probabilities: a. At least 3 have been attacked b. No more than 5 have been attacked c. less than 15 have been

47. ## Chemistry

Use Hess's law to calculate the enthalpy change for the reaction: 3C(s) + 3H2(g) ¡æ C3H6(g) Given the following thermochemical equations: 2C3H6(g) + 9O2(g) ¡æ 6CO2(g) + 6H2O(l) ¥ÄH = -4116.0 kJ/mol C(s) + O2(g) ¡æ CO2(g) ¥ÄH = -393.51 kJ/mol

48. ## social studies

what is one important difference between the koreas and japan 1)korea has may mountains 2)japan is not crowded but korea is 3)the korean peninsula is on stable ground 4)koreas mineral resources are used and japans are not

49. ## Music

Working on a worksheet regarding triads and figured bass. the directions say Observe the key sig. and it is in bass clef the key of D Major and it has an F as the figured bass and a # what does that mean

50. ## calc

by applying rolle's theorem, check whether it is possible that the function f(x) = x^5 + x -17 has two real roots. your reason is that if f(x) has two real roots then by rolle's theorem, f'(x) must be equal to what at certain value of x between these two

51. ## math-probability

A factory produces fuses, which are packaged in boxes of 17. Three fuses are selected at random from each box for inspection. The box is rejected if at least one of these three fuses is defective. What is the probability that a box containing two defective

52. ## Algebra

How to find dimensions of a field when given length of fencing and area? Hi I really appreciate your help on this. The question states that I have a field of area 650 square metres and fencing of 110 metres. I must give 3 possible sets of dimensions of the

53. ## Chemistry

A buffer containing 0.2832 M of acid, HA, and 0.1504 M of its conjugate base, A−, has a pH of 2.36. What is the pH after 0.0015 mol NaOH is added to 0.5000 L of this solution?

54. ## Political Science/Media

which of the following news sources typically provides the LEAST depth while covering topics? a) television b) magazines c) radio d) the Internet e) newpapers

55. ## kinetics

An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its moment of inertia is 0.156 kg m2 about its axis of rotation a) calculate the mass of the flywheel b) calculate the flywheel's radius

56. ## PHYSICS

:A baseball is hit with a speed of 30.0 at an angle of 50.0. It lands on the flat roof of a 10.0 -tall nearby building

57. ## psychology

Which of the following is an example of an innate UCS-UCR connection? sneezing in response to pepper a temper tantrum raising your hand before asking a question in a classroom setting learning to ride a bike by watching your older brother doing so

58. ## Finite Math

help me this is the one problem I just cannot seem to figure out!! Without consultation, each of five organizations announces a one-day convention to be held during July. Find the probability that at least two organizations specify the same day for their

59. ## Algebra 1B--

Solve the following system of inequalities by graphing. 5x - 4y ≥ -20 3x - 2y ≤ -8 y ≥ -3 I need help, like a website or steps on how to do this. I don't get it, at all.

60. ## physics

Block A (mass = 3 kg), moving at 10 meters per second, collides with stationary Block B (mass = 5 kg). If the collision is inelastic, what will be the final speed of the connected blocks?

61. ## Chemistry

The solubility of Mg(OH)2 in a particular buffer solution is 0.63g/L .What must be the pH of the buffer solution? I am unsure of where to start since this is the first solubility problem that I've done that has included the density.

62. ## physics

A lunch tray is being held in one hand, as the figure below illustrates. The mass of the tray itself is 0.182 kg, and its center of gravity is located at its geometrical center. On the tray is a 1.08 kg plate of food and a 0.279 kg cup of coffee. Assume L1

63. ## math-Probability

In a certain manufacturing process the probability of a type I defect is 0.21, the probability of a type II defect is 0.31, and the probability of having both types of defects is 0.01. Find the probability of having neither type of defect.

64. ## statistics

the average temp of the lake is 64.2 degrees and the standard deviation is 3.2. Assume the cariable is normally distributed. For a randomly selected day find the probabliity that the temp will be above 62 degrees

65. ## Physics

For no apparent reason, a poodle is running counter-clockwise at a constant speed of 3.00 m/s in a circle with radius 2.9. Let v_1 be the velocity vector at time t_1, and let v_2 be the velocity vector at time t_2. Consider \Delta v = v_2-v_1 and \Delta t

66. ## Finance

Cost Allocation It started with a letter Statendam, November 5, 2001 To: Henk Jacobs, director finance department From: Bob Jansen, manager refuse collection department Dear Henk, Someone told me that you had to see the teachers of one or your children

67. ## math

what distance formula would you use to solve this problem? A boat starts at point A, moves 3 km due north, then 2km due east, then 1 km due south, and 4km due east to point B. Find the distance AB.

68. ## kinetics

a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together. The masses of the stationary car and the moving car are 1500kg and 1300kg respectively (use g=9.8ms-2) a) is this an elastic or

69. ## To Tonya - re English

I have removed your post because you included personally identifying information, which is not a safe thing to do online. I've saved the text of your paper in a Word file, though. I'll get back to you soon.

70. ## math

Find the locus of points equidistant from two straight lines y-5=0 and y-3=0

71. ## Probability of Events

Three groups announce a one-day convention to be held in June. What is the probability that at least two organizations choose the same day for their convention?

72. ## math-Probability

Without consultation, each of four organizations announces a one-day convention to be held during July. Find the probability that at least two organizations specify the same day for their convention.

73. ## accounting

The predetermined overhead rate for manufacturing overhead for 2008 is \$4.00 per direct labor hour. Employees are expected to earn \$5.00 per hour and the company is planning on paying its employees \$100,000 during the year. However, only 75% of the

74. ## Chemistry

Hi Dr. Bob, I am quite stumped on how to figure out when chemical equations have a REACTION or NO REACTION. I have read the material in my textbook and even took out a chemistry books for the "Utterly Confused" to try to figure this out. Example: Zn(s) +

75. ## College Physics

A 42-kg girl is bouncing on a trampoline. During a certain interval after leaving the surface of the trampoline, her kinetic energy decreases to 220 J from 460 J. How high does she rise during this interval? Neglect air resistance. Just wondering how to

76. ## Physics

A pole-vaulter of mass 59.9 kg vaults to a height of 5.9 m before dropping to thick padding placed below to cushion her fall. (a) Find the speed with which she lands. m/s (b) If the padding brings her to a stop in a time of 0.48 s, what is the average

77. ## Algebra

evaluate the function f(r)= sqrt25-r-6 at the given values of independent variables f(16), f(-x), f(25-2x) and simplify

78. ## math

If you are calculating surface area of a right circular cone topped with a hemisphere. the radius is 4 cm and the rt angle is 8 cm...what is the lateral surface area. Is it 8.94 or is it 9? Explain answer please. Thanks

79. ## chemistry

which of the following chemical substances would you expect to exhibit the greatest degree of hydrogen bonding? A. ethanol B.propanol C. methanol D. butanol

80. ## Dynamics

A 3kg. package slide down a smooth 30 degrees incline and land on a 10 kg. cart that is at rest.Determine the velocity of the cart and the package immediately after the box land on the cart. The package is released from rest 5m up the incline.

81. ## Basic Calculus-Optimization Problems

Hello, please help me. There is a question where I have to optimize the area of a field that is being fence in like this: [|] i.e. two rectangle fields, side by side: area= 2x by y. I get to use 200ft of fencing. From that diagram and the amount of fencing

82. ## Math

a.) Given that f(3)=5 and f'(x)=x/((x^3)+3), find the linear approximation of f(x) at x=3. b.)If the linear approximation is used to estimate the value of f(2.9), will it be an overestimation or underestimation? Show justification.

83. ## Math-Probability

Michael is one of eight contestants entered in three races to be run on a eight-lane track. If in each race the runners are assigned to the lanes at random, what is the probability that Michael will be assigned to the inside lane at least once?

84. ## kinetics

a stationary car is hit from behind by another car travelling at 40km per hr. After collision both cars remain locked together. The masses of the stationary car and the moving car are 1500kg and 1300kg respectively (use g=9.8ms-2) a) is this an elastic or

85. ## Calculus

a.) Given that f(3)=5 and f'(x)=x/((x^3)+3), find the linear approximation of f(x) at x=3. b.)If the linear approximation is used to estimate the value of f(2.9), will it be an overestimation or underestimation? Show justification

86. ## college math

Let p represent the statement, "Jim plays football", and let q represent "Michael plays basketball". Convert the compound statements into symbols.

87. ## math-probability

Eleven white socks and six red socks are in a drawer. If two socks are selected at random, what is the probability that both socks are the same color?

88. ## Microeconomics

Suppose that two people, Michelle and James each live alone in an isolated region. They each have the same resources available, and they grow potatoes and raise chickens. If Michelle devotes all her resources to growing potatoes, she can raise 200 pounds

89. ## chemistry

What is the concentration of NaOH? using this solution (0.04756 M (i think its stand for Molarity) H2SO4) what is the concentration of NaOH in 10.00 ml of a solution, titrate to an end point using 24.22 ml of acid? formula that was given is (H2SO4 + 2NaOH

90. ## physics

An object was launched with a velocity of 20 ms−1 at an angle of 45° to the vertical. At the top of its trajectory the object broke into two equal pieces. One piece fell vertically downwards. Where would the other piece fall? (Take g = 10 ms−2)

91. ## computer packages

describe the following in not less than five sentence with examples. (1) rational database (2) schema

92. ## Civics

Which is not a subunit of the Department of Health and Human Services?

93. ## Chemisty

If 59.0 mL of 0.40 M HI is mixed with 100. mL of 0.10 M KOH what is the resulting pH?

94. ## Geometry

Is a rectangle always a rhombus? Please explain why.

95. ## accounting

Discuss in 200 to 300 words, each of the four financial statements. Explain the different components of the statements as well as what the statements tell about a business.

96. ## Physics

Suppose that a 14-m tall platform has a ramp that is 98 m long. If a box needs 245 N of force of lift it, how many N of force is required to push it up the ramp?

97. ## Ms.Sue

I've changed my persuasive topic from Water cons. to Poverty in Kalamazoo. Do you know of any organizations that help the poverty in Kalamazoo? So far I've only found Loaves and Fishes.

98. ## Cemistry

Hi, I've been trying to solve this chemical equation for the last 30 minutes and am only confusing myself. I am wondering if the product I obtained is correct. The question is to write a balanced equation for the below reaction and be sure to indicate the

99. ## geography

1. What hemisphere, the Northern or Southern, has the most land? The Northern 2. What gulf is located south of the intersection of 50 degrees E longitude and 30 degrees N latitude? The Persian Gulf 3. Which state capital is north of 40 degrees N latitude:

100. ## physics

Calculate the Coriolis acceleration of an aeroplane flying along the equator due east at a speed of 300m s−1.

101. ## math-Probability

In a classroom of children (10 boys and 8 girls), six students are chosen to go to the blackboard. What is the probability that no boys are chosen?

102. ## chemistry

What is the molarity of 100 ml of ethanol dissolved in 1.5 liters of water? Ethanol has a specific gravity of 0.789, and its molecular weight is 46 g/mol.

103. ## chemistry

complete KH2PO4(aq)+KOH(aq)

104. ## Political Science/Media

True or False Because of their dependence of government sources, the news media are unable to set the agenda of debate.

105. ## strength of mechanics

Determine the midspan value of EI(shear stress) for the beam w/c carries a uniformly varying load over part of the span.

106. ## chemistry

Lab report of cations and anions by there precipitate form

107. ## Algebra

Write using set builder notation.Show work....Solve..-2(10x-9)-17x

108. ## Algebra

Simplify...Show work...-b+bc-c^3-(c^3+bc-c^3+b)

109. ## health class

how do you convince someone to stop smoking. Also,how do you relieve stress without smoking or eating? Please help.

110. ## math-Probability

Let E and F be events such that the following is true. Pr (E) = 0.26, Pr (F ' ) = 0.61, Pr (E F) = 0.61 What is Pr (E ∩ F)?

111. ## chemistry

a pitcher baseball moves at 44 M/s . It has 150 J of kinetic energy on its way to the catcher. What is the baseball 's mass?

112. ## significant figures

How many significant figures are in 0.8333

113. ## science

Why is it sometimes difficult to make connections between poor water quality and health issues? Among ocean industries, which are the THREE most important branches, economically? compare and contrast persistent and non-persistent pollutants. Explain why

114. ## chemistry

i need a conclusion for experimenting a tin oxide compound my result for the emperical formula of compound is 2 which will be SnO2

115. ## algebra

You run 6 miles in one hour and 12 miles in two hours.

116. ## Chemistry

Which of the following substances has a ∆H°f equal to zero? I2(g) Tin(s, gray) F2(g) NaCl(s) Tin(s, white) Thank you

117. ## English

Writeacher, could you please check these examples? Thank you. 1) 'm glad you moved into a new house. I'm pleased you moved house. We were having dinner when the lights went off/out. We didn't 2) What kind of approach can a person have to work? He can work

118. ## English

I left out a sentence. He didn't let on the secret to anyone.

119. ## calculus

A period of time is measured as 362 seconds correct to the nearest second.find:the absolute error,

120. ## political science/media

most local newspapers get their national news from... a) government reports, press brieefings, and announcements b) interviews with politicians c) local reporters d) wire services e) the Internet

121. ## english

The subject of this unit is the role of those mythologies which determine the meaning of being male or female in American culture. As always, your aim as a writer is to incorporate what the critics have been arguing into your own thinking, thereby to enter

122. ## Math

A car manufacturer has 96 cars to paint. Each batch of paint can paint 12 cars. Which equation can be used to find b, how many batches of paint the manufacturer needs to paint all the cars? f) b/12 = 96 g) b/96 = 12 h) 12/b = 96 i) 96/b = 12

123. ## pre-calculus

PD= 600(0.978)^t PD is decreasing at 2.2% per year. How did they get 2.2%

124. ## English

Is "this" an adjective or determiner if you are doing a syntax tree diagram branching out from a NP? I will surely leave this job without a penny in my pocket. Is "without" a preposition?

5a/2x + 7/10

126. ## Calculus

Let f(x) = x*sin(5.8/x), x not equal to Zero and f(x) = L, x = Zero. Find the value of L so that f(x) is continuous at Zero. Thanks!!

127. ## Math

Express in logarithmic form: y=27(1/3)^2x

128. ## Math

Express in exponential form: -3log5(z)-x^2=2x+1

129. ## physics

The following objects are released from rest and allowed to roll down an inclined plane. Rank the objects by the order of which they will arrive at the bottom of the incline. (1 = the first to arrive, 2 = the second, etc.) I = 2611 kg*m^2, M = 50 kg, R =

130. ## math

there are c cars in parking lot then 7 more cars drive in to the lot how many cars in the lot now? write an expression.

131. ## algebra

write the slope intercept equation for the line with the given slope that contains the given points....M=-3/4;(0,5)..Show work

132. ## college math

construct a truth table for (p ^ q) ~q and submit it to the dropbox

133. ## Algebra

Write the slope intercept form of the equation of the line,and graph it .Show work...(-3,-5)(6,1)

134. ## Fitness and Nutrition

The body can use glycogen as an energy source when aerobic exercise lasts

135. ## math

how many inches high is the box that holds 700 cubic inches?

136. ## statistics

create a survey results that have a sample proportion of 23%

137. ## PreCalculus

x^2-2x+3y-8 Find the vertex and axis of symmetry.

138. ## chemistry

please give me an example of a nanocomposite material

139. ## American Literature

Hey! Can anyone give a good suggestion on a research topic.

140. ## Algebra

Simplify....8-5/8+1/2*6/9=

141. ## math

what is 800 as a percentage of 1400

mean=80 v=40

143. ## chemistry

what volume (in liters)of 0.050 MNaOH can be prepared from 500.mL of 0.35 MNaOH?