1. Math

If f(x)= 3/x-4 and g(x)=2x, there is at least one value of x for which the composite function f(g(x)) cannot be evaluated. What is that value of x? For what value(s) of x is it impossible to evaluate g(f(x))? How do you figure this out?

2. chemistry

The nutritional label on the package indicates that a cookie contains 150 Calories. Express this value in kJ and in J

3. social studies

when traveling by sea, what were the challenges explorers faced when coming to california?

4. CHEMISTRY

Complete these bronsted lowry reactions HS^- + H^+ ---> HS^- + OH^- ---->

5. Chemistry

what mass of water at 15C can be cooled 1C by heat necessary to melt 185g of ice at 0C

6. Algebra 1

The Everton college store paid 1519 for an order of 41 calculators. The store paid 9 for each scientific calculator. The other, all graphic calculators cost the store 55 each. How many of each type of calculators was ordered?. Thank you

7. Algebra 1

The Everton college store paid 1519 for an order of 41 calculators. The store paid 9 for each scientific calculator. The other, all graphic calculators cost the store 55 each. How many of each type of calculators was ordered?. Thank you

8. calculus

A mass is oscillating on the end of a spring. The distance, y, of the mass from its equilibrium point is given by the formula y=6zcos(10wt) where y is in centimeters, t is time in seconds, and z and w are positive constants. (a) What is the furthest

9. calculus

On the graph of f(x)=3sin(2x), points P and Q are at consecutive lowest and highest points with P occuring before Q. Find the slope of the line which passes through P and Q.

10. marketing assignments

I've done my assignment but i've not done the citations. can u help me

11. physics

Carrying out the following mathematical manipulations: (5.78 +/- 0.04)^2 How do you set this problem up?

12. Chemistry

When straight-chain butane reacts with Cl2 in the presence of light, two of the products are the singly chlorinated 1- chlorobutane, and the doubly chlorinated 1,1-dichlorobutane. What are the IUPAC names for the other singly chlorinated isomer, and the

13. Calculus

find all discontinunities and remove if possible: F(x)= 2x if x

14. calculus

find all discontinunities and remove if possible. f(x)= (4x)/(x^2+x-2) i found discontinunity at x=1 and x=-2 but i don't think they are removable bc they are vertical asymptotes and just wanted to make sure. Thanks.

15. calculus

The graph of a function f with domain [0, 4] is shown in the figure. Sketch the graph of the equation. y = f(x + 1)

16. Art

How does the medium influence the way we perceive the art, and the value we may give to a particular piece?

17. math

If a swimming pool that has a diameter of 40 feet and a height of 5 feet can be filled in 50 minutes, how long will it take to fill a pool that has a diameter of 36 feet and a height of 6 feet?

18. Physics

Two capacitors are connected in parallel as shown above. A voltage V is applied to the pair. What is the ratio of charge stored on C1 to the charge stored on C2, when C1 = 1.5C2 ? how do you do this? ( The answer is 3/2) Thanks for helping ; ) I appreciate

19. Physics

The citizens of Paris were terrified during World War I when they were suddenly bombarded with shells fired from a long-range gun known as Big Bertha. The barrel of the gun was 36.6 m long and it had a muzzle speed of 1.48 km/s. When the gun's angle of

20. Physics

If a 75-kg skater starts his skate at 8.0m, at his lowest point (height = 0), what is his velocity?

21. physics

In a head-on, inelastic collision, a 4000 kg truck going 10 m/s east strikes a 1000 kg car going 20 m/s west. (a) What are the speed and the direction of the wreckage? (b) How much kinetic energy is lost in the collision?

22. physics

In compressing the spring in a toy dart gun, 0.5 J of work is done. When the gun is fired, the spring gives its potential energy to a dart with a mass of 0.02 kg. (a) What is the dart’s kinetic energy as it leaves the gun? (b) What is the dart speed?

23. Biology

In a cell undergoing meiosis, which sequence of events is shown in correct order? A. the cytoplasm divides, chromosomes line up at the equator, nuclear envelope forms. B. chromosomes become visible, chromosomes line up at the equator, chromosomes gather at

24. homeland security

The terrorists are known for their hatred of capitalism and Western culture, and their intent is to wage a violent campaign against the United States, beginning with this attack. Based on the intelligence, the following factors are known:

25. Physics

A runner with mass 100 kg jogs around a circular track with circumference 1 km. If he does one lap in 6 min, what is his angular momentum about the center of the track?

26. finance

Parent, Inc. is contemplating a tender offer to acquire 80 percent of Subsidiary Corporation's common stock. Subsidiary's shares are currently quoted on the New York Stock Exchange at \$85 per share. In order to have a reasonable chance of the tender offer

27. Algebra

Suppose H(x)=(sqrt5x+3). Find two functions f and g such that (fog)(x)= H(x) . f(x)= g(x)= Neither function can be the identity function. (There may be more than one correct answer.)

28. geometry

if two sides of a triangle are 8 feet and 15 feet the length of the third side could be?

29. geomantry

a carpentar is making a fence out of 1 foot sections. two sides must be 30 feet and 17 feet which could not be the length of the third side 1)13 2)17 3)30 4)46

30. geometry

if two sides of a scalene triangle measure 10 and 12 the length of the third side could be?

31. MGT 460 Leadership Priorities & Practice

Catherine goes to her local movie theater only to see romantic comedies. Since Catherine did not go to the movies yesterday, there is not a romantic comedy playing at her local theater. The reasoning above is flawed because the evidence (Points : 1) does

32. PHYSICS

A baseball is thrown with an initial velocity of magnitude v at an angle of 21.8 with respect to the horizontal (x) direction. At the same time, a second ball is thrown with the same initial speed at a different angle A with respect to x. If the two balls

33. Accounting Ethics

Please, please, please help me I do not understand the material!! This is for a 30 point checkpoint that was due Wednesday. I haven't gotten far because I don't get the stakeholder impact analysis. I got 95% on the appendix B matrix about consequentialism,

34. physical

A car starts from rest its acceleration is 2m.s-2 in a straight line. What is it displacement after 10 seconds?

35. geometry

Find the area of a trapezoid if the altitude is 6" and the median is 8." ???

36. Chemistry

What volume of 14.1M HBr is required to make 250mL of 1.25M HBr solution by dilution with water?

Check my answer and if it is not right, what is it?: How did China become a communist nation? The communists were elected. The communists gained control after a long civil war. The communists gained control in a swift coup d’état. The emperor appointed

38. Discrete Math

Justifying your conclusions (you could also use examples in order to illustrate your results). What can you say about the sets A and B if we know that: 1. A ∪ B = A 2. A ∩ B = A Thanks for any helpful replies :)

39. math

the question is: If you know that 4 of the 10 items on a true-false test are false, how many different ways could you select 4 items to mark as being false? I think the answer is 10P4=10*9*8*7/4*3*2*1=5040/24=210 ways

40. Algebra

The function g is defined by g(x)=3x^2+6. Find g(5y)

41. math

(x^-2y^2z)^-3/(x^-4y^2z)^-2

42. english

What does the line “This poor gambler isn’t even a noun. He is kind of an adverb.” mean?( in the blue hotel)

43. Chemistry - Environmental

the atmospheric concentration of co2 in the preindustrial atmosphere was 280 ppm. Later this century, we may reach double that level. by how much will the pH range of rain in remote regions of the world change as a result of that increase?

44. English

What Connects the works from Stephen Crane to Kate Chopin? This is the only question giving me a hard time. Help please

45. calculus

Find the exact area of the region bounded by the -axis and the graph of (x^3)-x

46. math

Let f be defined as follows. y = f(x) = x^2 - 4 x (a) Find the average rate of change of y with respect to x in the following intervals. from x = 5 to x = 6 from x = 5 to x = 5.5 from x = 5 to x = 5.1 (b) Find the (instantaneous) rate of change of y at x =

47. Cal

The demand for Sportsman 5 X 7 tents is given by the following function where p is measured in dollars and x is measured in units of a thousand. (Round your answers to three decimal places.) p = f(x) = −0.1x^2 − x + 40 (a) Find the average rate of

48. calculus

At a temperature of 20°C, the volume V (in liters) of 1.33 g of O2 is related to its pressure p (in atmospheres) by the formula V(p) = 1/p (a) What is the average rate of change of V with respect to p as p increases from p = 7 to p = 8? L/atm (b) What is

49. Calculus

Let f(x) = x^2 if x ≤ 1 ax + b if x > 1. Find the values of a and b so that f is continuous and has a derivative at x = 1.

50. chemistry

Which of the following contains ionic bonding? H2O2 PO33- P2O5 AlCl3

51. calculus

a particle moves along a number line measured in cm so that its position at time t sec is given by s=72/(t+2) +k, k is a constant and t>=0 seconds. (a) Find the instantaneous velocity of the particle at t=4 seconds (b) Find the acceleration of the particle

52. Microeconomics

For the operator of a movie theater, the marginal cost (MC) of admitting one more person to the theater is zero. True or False? Why? I can't grasp the concept...please explain!!!!!

53. english

Why did Samneric join Jack’s tribe?

54. economics

Redstone Clayworks, Inc. is located in Sedona, Arizona and manufactures clay fire pits for patios. They are one of about two dozen firms around the world that manufacture and sell clay fire pits for retailers such as Home Depot, Lowe’s, Front Gate, and

55. chemistry

If a sample of a compound of carbon and oxygen contains 3.00g of carbon and 8.00g of oxygen, what is the mass percent of carbon in the compound? A. 27.3% B. 25.0% C. 37.5% D. 3.67% E. 2.67%

56. marketing

select a consumer item available today and analyze it using the 4 ps of marketing

57. english

in the book A Separate Peace... What does it symbolize when Finny opens the carnival by burning a copy of The Iliad?

58. math

s=k ln W * lottery numbers / g!^¥ + ([x:86:23]

59. physics

A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 118-kg laser sensor that measures the thickness of the ice (see the drawing). The helicopter and the sensor both move only in the horizontal direction and have a

60. Math

What number is in the middle of 100 and 120

61. Math

A rectangular picture frame has a perimeter of 3f.The width of the frame is 0.62 times its height.Find the height of the frame.

62. Algebra II

Solve the given system by using a substitution method 9x-2y=3 3x-6=y If you could show the steps because I have 10 problems for homework and I just need an example Thanks

63. catd

The specific heat of silver is 0.057 calories/gram°C. If 10.0 grams of silver were heated and the temperature of the sample changed by 20.0°C, how many calories of heat energy were absorbed by the sample?

64. Algebra

I cant write the sign for square root so I will just write it out. The problem says to simplify square root 5w^8v square root 20xu^2 I don't know how to figure out this problem.

65. trig

prove the identity sec^2x times cot x minus cot x = tan x

66. Algebra

(x^-2y^2z)^-3/(x^-4y^2z)^-2

67. physical science

a car traveling along the highway needs a certain amount of force exerted on it to stop.more stopping force may be required when the car has: ;

68. Physics

Water flows under pressure from one pipe into a second pipe having half the diameter. The volume flow rate in the narrow pipe is ________ that in the wide pipe, and the speed of the water in the narrow pipe is _______ that in the wide pipe

69. physics

A car is traveling at v = 16m/s . The driver applies the brakes and the car decelerates at a= -4.0 m/s^2 . What is the stopping distance?

70. HISTORY

Respond by explaining how the Berlin Wall did or did not reflect the policy of containment. Berlin Wall, U.S. Response A. Definition/description B. Background information/rationale C. Why it is or isn’t part of the policy of containment Please help!

71. Algebra

Solve for B. b(to the 3rd power) = 1,331

72. Algebra

Solve for B. b(to the 3rd power) = 1,331

73. Algebra

Which is equivalent to 5(to the 6th power)/5(to the 3rd power)

74. algebra

Not sure if I have the correct answer dealing with inequalities and not having equal signs. so the problem is 3x+4>9x+2 I came up with 2/6>x? not sure so this why I'm asking

75. science

I have checked these sites out and they don't answer the question, what molecules is lipitor composed of. I just need to know its its a carbohydrate, protein, amino acid. One site said something about statin but im not sure if that is a molecule. someone

76. algebra

(2x(tothe2ndpower)-3x+4)-(3x(tothe2ndpower)-x+2= ????

77. Social studies

What was the purpose of the land ordinance of 1785?

78. Calculus

Let f be defined as follows. y = f(x) = x^2 - 4 x (a) Find the average rate of change of y with respect to x in the following intervals. from x = 5 to x = 5.5 For some reason I keep getting this wrong. The way I did it was: f((5.5)-f(5))/(x2-x1)=

79. Math

Let f(x) = x^2 if x ≤ 1 ax + b if x > 1. Find the values of a and b so that f is continuous and has a derivative at x = 1.

80. English

Can you check these statements I'm not sure of, please? Thank you. 1) Is there a difference between a soup plate and a soup bowl? 2)I dress my salad with oil, vinegar and salt. I season my steak with pepper and oregano. 3)Before serving coffee, I lay the

81. Math

At a temperature of 20°C, the volume V (in liters) of 1.33 g of O2 is related to its pressure p (in atmospheres) by the formula V(p) = 1/p (a) What is the average rate of change of V with respect to p as p increases from p = 7 to p = 8? L/atm (b) What is

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 2 x - 4 x^2( at ) (-2,-20) m= y=

83. Physics

A 10000 car comes to a bridge during a storm and finds the bridge washed out. The 700 driver must get to the other side, so he decides to try leaping it with his car. The side the car is on is 20.0 above the river, while the opposite side is a mere 1.60

84. Math

Find the slope m of the tangent line to the graph of the function at the given point and determine an equation of the tangent line. f(x) = 9/(5 x) ( at ) \(1,(9/5)) m = y=

85. algebra

Find an equation of the line having the given slope and containing the given point m=7/8,(2,-5)

86. Math

Let f be defined as follows. f(x)=x^2+6x (a) Find the derivative f ' of f. f '(x) =

87. statistics

For a specific truck traveling at 50 miles per hou… ... normally distributed with a mean of 120 feet and a standard deviation of 12 feet. ... into the path of the truck and stops at a distance of 150 feet from the truck. ... to a complete stop, what is

88. Physics

The mass of the Moon is 7.35 x 10^22 kg. At some point between Earth and the Moon, the force of Earth's gravitational attraction on an object is cancelled by the Moon's force of gravitational attraction. If the distance between Earth and the Moon (centre

89. physics

A cannonball is fired horizontally from the top of a cliff. The cannon is at height = 70.0 above ground level, and the ball is fired with initial horizontal speed . Assume acceleration due to gravity to be = 9.80 .

90. algebra

solve 6r+2s-(3r-7s)

91. algebra

(x^-2y^2z)^-3/(x^-4y^2z)^-2

92. Algebra- is my answer right

The function g is defined by g(x)=3x^2+6. Find g(5y) Algebra - drwls, Friday, February 4, 2011 at 11:07am 3*(5y)^2 + 6 = __? Algebra - Janet, Friday, February 4, 2011 at 3:56pm I get 75y+6

93. Geometry

If U is between T and B, find the value of x and the measure of TU. TU=4x-1, UB=2x-1, TB=5x Please help!

94. Algebra

I don't even know where to start, teacher gave us this with no direction. Suppose the polynomial R(x)=a9x^9+a8x^8+...+a,x+a0 has real coefficients with a9 cannot equal 0. Suppose also that R(x)has the following zeros: 5, 6, 5+5i. Using this information,

95. physics

a pilot has to go 35 km east then 50 km due north

96. robin

The Gamma Corporation, one of the firms that retains you as a financial analyst, is considering buying out Beta Corporation, a small manufacturing firm that is now barely operating at a profit. You recommend the buyout because you believe that new

97. Managerial Economics

The Largo Publishing House uses 400 printers (workers) and 200 printing presses to produce books. A printer's wage rate is \$20 per hour and the price per hour of a printing press is \$5,000. The last printer hired added 20 books (per hour) to total output,

98. arithmetic

I am 5'2 and cast a shadow 3' long. My friend casts a shadow 3' 5" long. How tall is he?

99. Algebra

Below is the graph of a polynomial function f with real coefficients. Use the graph to answer the following questions about f. All local extrema of f are shown in the graph. I really need help with this one but I can't post the graph.

100. algebra

The principal P is borrowed and the loan's future value, A, at time t is given. Determine the loan's simple interest rate, r, to the nearest tenth of a percent. P=\$130, A=171.60, T=4 years

101. math

the lengths of corresponding sides of similar rectangles have a ratio of 7:4 the perimeter of the smaller rectangle is 80 ft. what is the peremiter of the larger rectangle?

102. geometry

A pizza has a diameter of 12 . What is its circumference? Use the value for 3.14 , for pie

103. HCS/335

True or false: The relationship between law and ethics dictates that anything lawful is ethical and anything ethical is legal. What is the rationale behind your answer? How do different approaches to ethics affect interpersonal relationships?

104. geometry

A pizza has a diameter of 12 . What is its circumference? Use the value for 3.14 , for pie

105. Algebra

A 3 inch thick slice is cut off the top of a cube, resulting in a rectangular box that has volume 128in^3 .Round your answer to two decimal places

106. TO: Mrs Sue...is my answer below right?

can u check it plz

107. Chemistry

I have a project on Sulfur Hexachloride, or SCl6, but I can't find any info on it! Any help?

108. SCl6, Sulfur Hexachloride

I have a project on Sulfur Hexachloride, or SCl6, but I can't find any info on it! Any help?

110. programming in c

write a program to compute in centimeters of a steel rod

111. chemistry

Three solutions 40mL of 0.2M KNO3; 66mL of 0.3 M Ca(NO3)2; and 39mL 0.185M KCl were poured together to make one new solution. what is the concentration of Cl- and NO3-

112. us history

How did women and African Americans fare under the policies of the Roosevelt administration?

113. psychology

you are conducting research on sex differencesin emails .Your hypothesis is that the men use more declarative statements and women use more questions.what might be the advantages of using the archival method

114. math

solve the system of equations by elimination. 3x-4y=22 2x+5y=7

115. math

solve the systems of equations by elimination. 6x-y=18 2x+y=7

116. Chemistry

a .72g sample of polyvinyl chloride is dissolved in 250.0ml of a suitable solvent at 25C. the solution has an osmotic pressure of 1.67mmHg.What is the molar mass of the PVC?

117. Chem

1.10g of an unknown compound reduces the freezing point of 75.22g benzene from 5.53C to 4.92C. What is the molar mass of the compound?

118. chem

Calculate the mole fraction of the solute in the following aqueous solution: a) .112M C6H12O6 (d=1.006g/ml). b) 3.2% ethanol, by volume (d=.993g/ml); pure CH3CH2OH, d=.789g/ml

119. math

Solve the systems of equations by elimination. 1. -2x+y=7 2. 2x+y=-9 6x+12y=24 4x+3y=1 3. 7x+3y=-1.5 4.2x-3y=-0.27 2x-5y=-30.3 5x2y=0.04

120. Physics

A car is stopped at a traffic light. It then travels along a straight road so that its distance from the light is given by x(t) = bt2 - ct3, where b = 2.60 m/s2 and c = 0.150 m/s3. (a) Calculate the average velocity of the car for the time interval t = 0

121. science

A 30 kg satellite and a 2,000 kg meteorite are 21 m away from each other. How much force exists between them?

122. physics

An airplane is flying with a velocity of 248 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.8 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle?

123. ethics

how would you start a paper out on a fictional first person account in the life of a subordinate group in the unites states?

124. math

Use a graph to determine whether the given function is continuous on its domain. HINT [See Example 1.] f(x) = x + 7 if x < 0 2x − 5 if x ≥ 0 1 continuous discontinuous If it is not continuous on its domain, list the points of discontinuity. (If there

125. Spanish

Respond negatively: ¿Podemos ir a la playa o nadar en la piscina? I wrote: No, no podemos ir a la playa o nadar en la piscina. But it's marking it wrong! ??

126. English

I have to edit these. Add any words needed for grammatical or logical completeness 1. Very few black doctors were allowed to serve in the Civil War, and their qualifications had to be higher than white doctors. 2. Producers of violent video games are not

127. algebra

the expression below is the factorization of what trinomial -7(x+5)(x+8)

128. Algebra

For each equation, determine whether its graph is symmetric with respect to the -axis, the -axis, and the origin. 4y^4+24x^2=28 and y=1/x^2+5 Check all symmetries that apply x-axis,y-axis,origin or non of the above.

129. ethics

I have to write a journal entry of a subordinate group member and it has to be a fictional first person account in the life of a subordinate group and it has to describe the events of a three day period. I am confused of how to start this paper out and how

130. groundwater science

what is weight density (lbs/ft3)of a fluid filling a cylinder 1.4 ft high and cross section area of 0.2ft2 if the fluid weighs 15.1 lbs?

131. math

Angelo is paid double time for each hour he works over 40 hours in a week. Last week he worked 46 hours and earned \$520. What is his normal hourly rate?

132. Accounting ethics

I got some help to get started but the material still seems like a foreign language. Someone layed out a nice outline for me to follow, but without understanding the material I still can't get anywhere. It is how to CONDUCT a stakeholder analysis I am

133. Statistics

A telephone company receives 3 calls every minute on an average. If an operator has a watch that is not very accurate and which has a normal distribution with mean of 1 minute and standard deviation of 5 seconds, what is the probability that he measures 5

134. simple harmonic motion.

A 5.80 kg object on a horizontal frictionless surface is attached to a spring with spring constant 860 N/m. The object is displaced from equilibrium 50.0 cm horizontally and given an initial velocity of 9.9 m/s back toward the equilibrium position. (a)

135. physics (simple harmonic motion)

If the phase angle for a block-spring system in SHM is π/5 rad and the block's position is given x = xm cos(ωt + ϕ), what is the ratio of the kinetic energy to the potential energy at time t = 0?

136. physics (shm)

Suppose that a simple pendulum consists of a small 55.0 g bob at the end of a cord of negligible mass. Suppose that the angle between the cord and the vertical is given by θ = (0.0800 rad) cos[(4.91 rad/s)t + ϕ]. (a) What is the pendulum's length? units

137. Algebra

Restated:For each equation, determine whether its graph is symmetric with respect to the -axis, the -axis, and the origin. 4y^4+24x^2=28 and y=1/(x^2+5) Check all symmetries that apply x-axis,y-axis,origin or non of the above.

138. physics

Part (a) of the figure below is a partial graph of the position function x(t) for a simple harmonic oscillator with an angular frequency of 1.00 rad/s; Part (b) of the figure is a partial graph of the corresponding velocity function v(t). The vertical axis

139. ethics

Would I talk about what I am expected to do in a Amish family as well as how I live with no electricity etc..... This Question is about the recent question of subordinate member and 3 day journal question I asked.

140. algebra

3³+53*(39)-(2+5*9)

141. Algebra

Graph the parabola x^2+8x-5y+21=0

142. spanish

what does ?Que lleva puesto usted esta noche mean in spanish

143. math

Use a graph of f or some other method to determine what, if any, value to assign to f(a) to make f continuous at x = a. HINT [See Example 2.] (If there is no such value, enter NONE.) f(x) = x 2x2 − x ; a = 0

144. algebra 1A

solve please on a line graph y-5>-18

145. biology

how your specific hormones work and the responce that they elicit(mechanism of action and desired response)

can i have the biography of the most famous black inventor.About his life going to school and growing was like. thank you

147. economics

2. Suppose that the quantity of corn supplied depends on the price of corn, p; and the amount of rainfall, R: The demand for corn depends on the price of corn, p; and the level of income, Y: The equations that describe the supply and demand relationships

148. calculus

∫[3√3:(2x^2-3x),]

149. pre algebra

(6.3 X 10-2) - (2.1 X 10-1)

150. physics

What force must be exerted on a car of mass 1825 kilograms in order to make it accelerate at 26 meters per second per second?