# Questions Asked onMarch 25, 2010

1. ## AP Chemistry

In 1.33L container, 4.20 AB3, is heated to 400C, and 2.98x10-2(negative 2) moles of A is present at equilibrium. AB3(g) A(g)+ 3B(g) (28.23amu) (a.) Write the expression for K (b.) Calculate the equilibrium concentration of the following gases (i.) B (ii.)

2. ## Calculus-math

If g(x) is the inverse of f(x), g(x)=f^-1(x), such that g(3)=5 and f'(5)=4 what is the value of g'(3)????? :O 2. If g(x)is the inverse of f(x), g(x)=f^-1(x), such that f(3)=15,f(6)=3,f'(3)=-8,and f'(6)=-2. What is the value of g'(3)???????? Calculus--

3. ## algebra

Take any number (except for 1). Square that number and then subtract one. Divide by one less than your original number. Now subtract your original number. You reached 1 for an answer, didn’t you? How does this number game work? (Hint: Redo the number

4. ## biology

What are the storage and quick energy forms of carbohydrates found in animals, and how are these forms structurally related to each other?

5. ## biology

Insects that live on land have a coating of wax on the outer surface of their body. What function might this wax serve for these animals?

6. ## physic

A student on a piano stool rotates freely with an angular speed of 3.07 rev/s. The student holds a 1.38 kg mass in each outstretched arm, 0.759 m from the axis of rotation. The combined moment of inertia of the student and the stool, ignoring the two

7. ## Biology

What is the process of cellular respiration and why is it so important? Thank you.

8. ## Biology

What is the process of cellular respiration and why is it so important? Thank you.

9. ## college chemistry

a student did an alkalinity determination correctly,except that the sample titrated had a volume of 90.0 mL. Volume A was found to be 4.50 mL and Volume B was 7.00 mL. 1)Calculate the Alkalinity value from these data and then calculate the correct

10. ## chemistry

When a monoprotic weak acid is titrated with a strong base, the titration curve contains these many inflection points: a.zero b.one c.two d.three Can you also explain why you choose your answer to this question...thanks

11. ## Calculus

Lef f be the function defined by f(x)=x^3+x. If g(x) is the inverse of f(x), g(x)=f^-1(x) and g(2)=1, what is the value of g'(2)?

12. ## Chemistry

How many mL of 0.225M HCl would be required to titrate 6.00 grams of KOH?

13. ## Ethics

I am supposed to have a 1,400- to 1,750-word autobiographical research paper analyzing the influences of race as it relates to my community. Need to write a first-person account of how human interactions in my community have been racialized. For the

14. ## Chemistry

What is the pH of a 0.200M solution for HBrO? Ka = 2.8 x 10^-9

15. ## French

Is this correct? He saw construction workers building new buildings and he thought they worked hard for their dream and the buildings represent hope and future. Il a vu les travailleurs de construction de construire de nouveaux bâtiments, et il pensait

16. ## accounting

I need a essay on environmental accounting and describing the concepts of it

17. ## english

ok Ineed help I don't know when to use paragraphs ???? help me before I die bescause we've lots of stories to write help help help help help

18. ## Socials Studies *URGENT*

Research Territory, Food, Shelter, Transportation and Effect of European contact for Ojibwa, Assiniboin, Cree, Chipewyan, Inuit. Please help this is URGENT. I can't seem to find "Effects of European contact" for any of the groups. Although I don't quite

19. ## Math

Find stationary points: y=(3x-1)(x-2)^2

20. ## English

Can you please check if the following questions I need to prepare for tomorrow? Thank you very much in advance. Which of the first two questions is better expressed? 1) Briefly outline the features of the 18th-century novels. Focus then on Defoe’s novels

21. ## Geology

Im after info that will help me answer what the relevance of the age of the oceanic crusts and the continental crusts within the south american plate Are there presence of hotspots on the south american plate? what is the process that is responsible for

22. ## chemistry

it is desired to prepare 250.0mL of a standard solution having a concentration of 0.1000M AgNo3. How many grams of a sample of AgNO3 of 98.8% purity are required for this purpose?

23. ## chemistry

it is desired to prepare 250.0mL of a standard solution having a concentration of 0.1000M AgNo3. How many grams of a sample of AgNO3 of 98.8% purity are required for this purpose?

24. ## college

For a normal curve with mean 5 and standard deviation 6, which of the following parts of the normal curve will have an area of approximately 68%

25. ## chemistry

How many grams of iron(III) nitrate.9H2O could be formed from the reaction of 3.676 g of iron with excess HNO3? Please can u explain? i try balance the question i couldnt.

26. ## Australian history

Can you rewrite for me in simple sentences for this passage. As this history suggests, there have been notable and passionate battles for citizenship , despite the oft-repeated conclusion that there is an emptiness at its heart.Women had to accept

49. ## math

could someone please help. given each set of data for ∆ABC: a) solve for b given ∠B=88 degrees,a=31.5m,c=25.6cm b) solve for a given ∠B=66 degrees,∠C=28 degrees,c=11.6cm i) state whether the sine law or cosine law is required to solve the unknown

50. ## English

After school, I go to a drama club. There are a lot of clubs in my school, like a sports club and an art club. (In the sentences, what is the use of 'a'? Is it for a generic use or does 'a' mean just 'one'?)

51. ## math

A triangular lot sits at the corner of two streets that intersect at an angle of 63 degrees. One street side of the lot is 35m and the other is 47m. how long is the back of the lot, to the nearest metre?

52. ## math

133, 115, 120, and 111 passengers on four shuttle flights between Los Angeles and San Francisco during 1 day. What was the total number of passengers?

53. ## pre-calculus

How do i know if a conic section is a circle, ellipse, hyperbola, or parabola? based on it's equation such as 4x^2 - y^2 + 24x + 4y + 28 = 0

54. ## Math

On three consecutive passes a football team gains 7 yards, loses 34 yards and gains 24 yards. What number represents the total net yardage? For this would I just add 7+34+24 or is there a formula I should use?

55. ## COM/105

How do prewriting activities like brainstorming and topic selection differ for individuals and teams?

56. ## COM/105

How should difficult issues like plagiarism be addressed—and why would these techniques be appropriate?

57. ## math

which of these statements about prime and composite numbers is true? F)all prime numbers are odd. G)all prime numbers have three factors. H)all composite numbers are divisible by two. J)all composite numbers have more then two factors i thinks it (J) but

58. ## microeconomic 2

given, STC=0.5^2 -10q -200 SMC=q-10 what is the short run average n marginal cost curve. i saw similar question posted by twitty...but i need to know how to get the answer...all the calculation..plz...

59. ## social studies

why wasn't the articles of confederation adopted for 5 years?

60. ## social studies

The northwest ordinance provided for all of the following except: a. the eventual creation of three to five states out of the Northwest Terrirtory b. a prohibiton on slavery c. freedom of whorship d. discuss the future of the northwest territory

61. ## math

which of these equations represents that 5 less then 10 a number is 15? A)10n - 5 = 15 B)5n - 10 = 15 C)(5-10)n = 15 D 5- (10 + n) = 15 i think its (C)

62. ## social studies

The orginal purpose of the 1787 convention in Philadelphia was to: a. discard Articles of confederation b. revise the articles c. draft a new consitution d. discuss the future of the northwest territory

63. ## social studies

The Articles of confederation were nto adopter for fives because: (A) the antifederalists waged a stiff battle against them (B) disputes continued over western lands (C) the large states and the small states could not agree on representation (D) the

64. ## social studies

the southern states supported the Virginia Plan because: (A) it created a system of national courts (B) the legislature wa s to be apportioned according to a state's population (C) the upper house was to be elected by the state legislature (D) a large

65. ## health

What is sex???? And how are babies made???

83. ## calculus 1

At noon, ship A is 50 nautical miles due west of ship B. Ship A is sailing west at 16 knots and ship B is sailing north at 17 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

84. ## math -word problem

The width of a recangle is fixed at 13cm. What Length will make the perimeter greater than 78cm?

85. ## Calculus 1

A street light is at the top of a 19 ft tall pole. A woman 6 ft tall walks away from the pole with a speed of 4 ft/sec along a straight path. How fast is the tip of her shadow moving when she is 50 ft from the base of the pole?

86. ## Calculus 1

Water is leaking out of an inverted conical tank at a rate of 13200.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 14.0 meters and the diameter at the top is 3.5 meters. If the

87. ## Calculus 1

A particle is moving along the curve y= 4 \sqrt{3 x + 1}. As the particle passes through the point (1, 8), its x-coordinate increases at a rate of 2 units per second. Find the rate of change of the distance from the particle to the origin at this instant.

88. ## grammar

How do I know what the simple subject of the sentence is and the complete subject?

Find (a) f X g , (b) g X f, and (c) f X f f(x) = 3sqrt x-1 g(x) = x^3 + 1 For the f(x) the 3 is little above the sqrt sign. my answers were: (a) = 3sqrt x^4 -1 (b) = x^4 -1 (c) = 6sqrt x+1 These answers are wrong but I do not know how to do this.

90. ## American Literature

Is there a poemtalking about freedom during the wesrward movement?

91. ## physics

A car drives around a curve with radius 410 m at a speed of 39 m/s. The road is banked at 4.6°. The mass of the car is 1600 kg. (a) What is the frictional force on the car? (b) At what speed could you drive around this curve so that the force of friction

92. ## Math

A set of scores with a normal distribution has a mean of 32 and a standard deviation of 3.7. Which score could be expected to occur the least often?

93. ## math

you need 4/5 cups of water for a recipe. You accidently put 1/3 cups into the mixing bowl with the dry ingredients. How much more water in cups do you need to add?

94. ## To Ms. Sue

Ms. Sue you know the English paragraph I was working on right, well I got some feedback on it from two of my friends and this is what they said. the 1st one said: Positive Things She liked my 2nd sentence, and she liked the way I used rapidly. Negative

Find two functions f and g such that (f X g)(x) = h(x). (There are many correct answers.) h(x) = 4 / (5x + 2)^2 = My answers were: f(x) = 4 / 5x, and g(x) = 5x + 2 Please explain. These answers were wrong and I do not know how to fix them!!

how do you do average

a{n}=n(3n+5)

98. ## Math - Implict differentiation

How do I find the value of d^2y/dx^2 for the function defined implicitly by xy^2 + y = 2 at the point (1,-2)?

99. ## Economic

Please I would to know if I choose the correct answer. Which of the following characteristics does perfect competition share with monopolistic competition? a)Price-taking firms b)Zero long-run economic profit c)homogeneous product d)some barriers to entry

100. ## math

The function H descibed by H(X)=2.75X+71.48 can be used to predict the height, in centimeters, of a woman whose humerus (the bone from the elbow to the shoulder) is x cm long. Predict the height of a woman whose humerus is 39 cm long. I have an answer of

101. ## science

The molecule Al2(SO4)3 has dissolved in water. What ions are formed and how many ions are formed of each type?

What is the angular momentum of a 2.5 kg uniform cylindrical grinding wheel of radius 19 cm when rotating at 1200 rpm? And how much torque is required to stop it in 5.7 s? Need help with step-by-step explanation.

103. ## arithmetic

2.75+.003+.158=

104. ## Science

What are 2 things that electrical energy can transform into?

105. ## To Ms. Sue

Ms. Sue can you Please edit this; I'll accept any other changes made by you, thanks. Can you please edit this in paragraph mode; it's easier for me to pick out the mistakes I've made that way. Thank You:-) I feel the pain of pins and needles. I open my

how much potential energy does a 4500kg piano is suspended by a rope 30 meters above the ground

107. ## English(college)

Can you please help me? The direction goes as follows; Edit the following sentences to correct errors in pronoun reference. In some cases you will need decide on an antecedent that the pronoun might logically refer to. 1) Our German conservation group is

189. ## Chemistry

Whatis the pH of a buffer that results when 0.05mol of Na3PO4 is mixed with 0.75 mol of HCl and diluted with water to 1.00L. (The acid dissociation constants for phospohoric acid are Ka1=7.5*10^-3, Ka2=6.2*10^-8 and Ka3=3.6*10^-13).

190. ## Pre-Cal

Give the domain of the function and identify any vertical or horizontal asymptotes. h(x) = 1 / x - 3 + 1 I had x = 0 and y = 3. Would the domain be all numbers except 1?

191. ## Geometry-properties of tangents of a circle

Circle L has segment LJ and segment LK as radii. Those 2 segments are perpendicular. Segment KM and segment JM are tangent to circle L. Is triangle JLM congruent to triangle KLM? Please explain.

sandys classroom has tables that are shaped like trapezoids. three tables are placed together in a u-shape.One student can sit at the short base of the trapezoid or at the end of the table.two students can sit at the long base of the trapezoid. how many

193. ## physics

A bowling ball of mass 7.3 kg and radius 9.6 cm rolls without slipping down a lane at 3.4 m/s. Calculate its total kinetic energy. I tried this problem with the equation 3/4mv^2 but I did not get the correct answer, could I please get help with

194. ## Chem

A buffer contains 1.0mol CH3CO2H and 1.0mol CH3CO2^- diluted with water to 1.0L. How many moles of NaOH are required to increase the pH of the buffer to 5.10? (pKa oof Ch3CO2H=4.74)

195. ## health care

how do participation contracts represent financial opportunities for providers?

196. ## math

Explain how to evaluate x-8 when x=10?

197. ## English

What are some literary devices (simile, metaphor, flashback, etc.) that are used in the song, "A whole new world" from Aladdin?

198. ## calculus 1

At noon, ship A is 30 nautical miles due west of ship B. Ship A is sailing west at 18 knots and ship B is sailing north at 19 knots. How fast (in knots) is the distance between the ships changing at 3 PM? (Note: 1 knot is a speed of 1 nautical mile per

199. ## calculus 1

At noon, ship A is 20 nautical miles due west of ship B. Ship A is sailing west at 21 knots and ship B is sailing north at 18 knots. How fast (in knots) is the distance between the ships changing at 5 PM? (Note: 1 knot is a speed of 1 nautical mile per

what is the conjugated base of H2SO3