# Questions Asked onApril 11, 2010

1. ## Physics

The range of human hearing extends from approximately 20 Hz to 20000 Hz. Find the wavelength of these extremes when the speed of sound in air is equal to 343 m/s.

2. ## physics

What is the linear speed of a point: a) on the equator, b) on the Arctic Circle (latitude 66.5 degrees N), c) at a latitude of 45.0 degrees N, due to the Earth's rotation? a relevant equation is v=rw, but I'm not sure how to apply it to the equation

3. ## Chemistry

Calculate the temp at which the reaction (2POCL3(g) -> 2PCl3(g)+O2(g))would become spontaneous. Given: DH= +572kJ and DS= 179 J/K. Would the answer be 298 K? I found DG to be 518.658 kJ, and then plugged in all the values to DG= DH-TDS. Or, should I ignore

4. ## ALGEBRA

What is the vertex of a parabola? How do you determine the vertex of the parabola?

5. ## Physics

The pressure gauge on a tank registers the gauge pressure, which is the difference between the interior and exterior pressure. When the tank is full of oxygen (O2), it contains 9.00 kg of the gas at a gauge pressure of 40.0 atm. Determine the mass of

6. ## math

Dana takes a sheet of paper, cuts a 120-degree circular sector from it, then rolls it up and tapes the straight edges together to form a cone. Given that the sector radius is 12 cm, find the height and volume of this paper cone.

7. ## chemistry

what is the volume of 62.3 g of nitrogen gas at STP

8. ## geometry

A triangle has a 56-degree angle, formed by a 10-inch side and an x-inch side. Given that the area of the triangle is 18 square inches, find x.

9. ## physics

How fast does water flow from a hole at the bottom of a very wide, 3.7 m deep storage tank filled with water? Ignore viscosity.

12. ## math

A counterclockwise quarter-turn Q about the origin is applied to the point (x, y). What are the coordinates of the image point? Answer in the form Q(x, y) = (ax + by, cx + dy).

13. ## managerial economics

A firm uses a single plant with costs C= 160 +16Q +.1Q2 and faces the price equation P= 96 – .4Q. a) Find the firm’s profit-maximizing price and quantity. What is the profit? b) The firm’s production manager claims that the firm’s average cost of

14. ## Social Studies

1.Why is " elastic clause' an appropriate name for Clause 18 of Section 8 of Article l? 2.Think about what it mean to "express" something. Which powers - delegated or implied - could also be referred to as expressed powers? Why? 1.Elastic Clause is the

15. ## Chemistry

Which of the following is an exothermic process? ice melting boiling soup water evaporating condensation of water vapor mixing ammonium thiocyanate and barium hydroxide and witnessing a temperature drop I'm torn between ice melting and the last one.

Estimated and Actual Goodwill Passion Company is trying to decide whether or not to acquire Desiree Inc. The following balance sheet for Desiree Inc. provides information about book values. Estimated market values are also listed, based upon Passion

17. ## physics

A father pulls his young daughter on a sled with a constant velocity on a level surface through a distance of 10 m, as illustrated below. If the total mass of the sled and the girl is 35 kg and the coefficient of kinetic friction between the sled runners

18. ## math/geometry

Jamie rides a Ferris wheel for five minutes. The diameter of the wheel is 10 meters,and its center is 6 meters above the ground. Each revolution of the wheel takes 30 seconds. Being more than 9 meters above the ground causes Jamie to suffer an anxiety

19. ## geometry

A segment that is a units long makes a C-degree angle with a segment that is b units long. In terms of a, b, and C, find the third side of the triangle defined by this SAS description. You have done numerical versions of this question. Start by finding the

20. ## geometry

Find the third side of a triangle in which a 4.00-inch side and a 6.00-inch side are known to make a 56.0-degree angle. Round your answer to three significant digits.

21. ## chemistry

the reaction of aluminum metal (Al) with oxygen (O2) forms Al2O3. What is a balanced equation for this redox reaction. What are two half reactions to show how many electrons are gained or lost by each species?

22. ## Chemistry

The molecules water (H2O) and methane (CH4) have similar masses, but methane changes from a gas to liquid at -161 degrees C. Water becomes a gas at 100 degrees C. what could account for the difference?

23. ## Chemistry

Calculate the pH at the equivalence point of 25.0 mL of a 0.100 M acetic acid, CH3COOH, titrated with a 0.100 M sodium hydroxide, NaOH. Ka of acetic acid is 1x10^-5

24. ## physics

A 40cm diameter wheel accelerates uniformly from 240 rpm to 360 rpm in 6.5s. How far (linearly) will a point on the edge of the wheel have traveled in this time?

25. ## physics

If the angular quantities θ,ω,α were specified in terms of degrees rather than radians, how would the kinematics equations for uniformly accelerated rotational motion have to be altered?

26. ## math

Solvefor y: x2 = a2 + b2 − 2aby

27. ## vector

For any two numbers a and b, the product of a−b times itself is equal to a2−2ab+b2. Does this familiar algebraic result hold for dot products of a vector u − v with itself? In other words, is it true that (u − v) • (u − v) =

28. ## chem101

if 23.74ml of 0.01470M NaOH are required to completely neutralize 25.00ml of gastric juice,calculate the concentration of the hydrochloric acid[in g/L]in stomach gastric juice

29. ## math/trig

What graph is traced by the equation (x, y) = (5sin 12t , 6−5 cos 12t)?Think of another equation that will produce the same graph. Use your calculator to check.

30. ## Chemistry

What is the purpose in calculating formal charges? What physical forces create the three dimensional structure of a molecule?

31. ## Physics

your friend says that the equivalent (combined) resistance of resistors connected in series is always more than the resistance of the largest resistor. Dou you agree?

32. ## Math

Devon’s bike has wheels that are 27 inches in diameter. After the front wheel picks up a tack, Devon rolls another 100 feet and stops. How far above the ground is the tack?

33. ## AP Chemistry

Consider ammonia, what is the pH of a buffer solution prepared by adding 15.0 g of ammonium chloride to 5.00L of 0.200 M ammonia? ( the K for NH3 is given to me 1.80 x 10 to the power of -5)

34. ## math

A gardener measures the tallest of his prize-winning sunflowers and finds that the height is 60 in. The sunflower was 52 in. tall the last time the gardener measured it.

35. ## chemistry

how many moles of solute are contained in each solution? 250 mL of a 0.55 M NaNO3 solution? 145 mL of a 4.0 M HNO3 solution? 6.5 L of a 2.5 M HCl solution?

36. ## Trignometry pls help

1. The radius of the circumscribed circle of the triangle ABC is 15 cm. Given that B is a 49-degree angle, find the length of side AC. 2. The radius of the circumscribed circle of the triangle ABC is r cm. Given that B is a â-degree angle, find the length

59. ## chemistry

Which would produce greater number of moles of product: a certain amount of hydrogen gas reacting with oxygen gas to make water, or the same amount of hydrogen gas reacting with nitrogen gas to make ammonia? Why?

60. ## physics

Two masses, m1= 1 kg and m2 = 2kg, collide. the first mass has a velocity of .95 m/s east, then 50 degrees NE. The second mass is stationary and then moves off 40 degrees SE. What are the velocities of the two masses after the collision?

61. ## HUM/205

I need help with an exhibit about early Chinese and Japanese civilizations

62. ## physics

A .7m diameter wheel accelerates uniformly from 160rpm to 280rpm in 4.0s. Determine: a)it's angular acceleration, and b)the radial and tangential components of the linear acceleration of a point on the edge of the wheel 2.0s after it has started

63. ## Algebra -college

The polynomial 0.041h-0.018a-2.69 can be used to estimate the lung capacity,in liters,of a female with height H,in centimeters,and age a,in years.Find the lung capicity of a 60year old woman who is 190 centimeters tall

64. ## calculus

A car is travelling at 90mph when its brakes are fully applied, producing a constant deceleration of 22 ft/sec2. Find the distance covered by the car before it comes to a stop. (Remember: 60 mph equals 88 ft/sec.)

65. ## PHYSICS

What is the inductance of a coil if the coil produces an emf of 8.20 V when the current in it changes from -28.0 mA to +31.0 mA in 45.5 ms?

66. ## PHYSICS

The magnetic field inside an air-filled solenoid 39 cm long and 2.0 cm in diameter is 0.85 T. Approximately how much energy is stored in this field?

what was the ultimate result of Zheng Hes voyages of discovery in the 1400?

68. ## accounting

A company uses a sales journal, purchases journal, cash receipts journal, cash disbursements journal, and general journal. A perpetual inventory system is used. The following transactions were completed by the company during the current month of October:

69. ## geometry

if two cones are similar and the ratio between the lengths of the radii is 7:3, what is the ratio of their surface areas

70. ## Chemistry

If 0.433 mol of gaseous CS2 and 1.62 mol of gaseous H2 are reacted according to the balanced equation at 454 K and in a 40.0 L vessel, what partial pressure (atm) of gaseous CH4 is produced? CS2(g) + 4H2(g) -> CH4(g) + 2H2S(g) Molar Mass (g/mol) CS2 76.143

71. ## physics

Suppose a record turntable rotates at constant angular velocity. a) Does a point on the rim have radial and/or tangential acceleration? b) If the turntable's angular velocity increases uniformly, does the point have radial and/or tangential acceleration?

72. ## economics

Explain using a diagram the effect of the sugar price rise on sales of bakery products.

73. ## geometry

An isosceles triangle has two 10.0-inch sides and a 2w-inch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00.

74. ## physics

In the frictionless apparatus m1=1.7kg a)What is m2 if both masses are at rest? b) How about if both masses are moving at constant velocity?

75. ## chemistry

calculate [h3o] in solutions. 0.040 of HCl and 0.080 HOCl. 2. calculate OH for the solutions of 0.0063 ba (OH)2 and 0.0110 of BaCl2

76. ## communication

Scholars agree that our basic emotions are happiness and anger. True or False

77. ## algebra

how to identify property or rule used in (15+23)+7=15+(23+7)

78. ## math

T he weights (in pounds) of a group of high school students are listed below in a stem-and-leaf plot.

79. ## chemistry

Two aqueous solutions are mixed: 50.0 mL of 1.60×10−2 M H2SO4 and 50.0 mL of 3.75×10−2 M NaOH. what is the PH of the following solution?

80. ## Math

Find the most general function f such that f′′(x) = 16 cos 4x .

81. ## chemistry

What stoichiometric concentration of the indicated substance is required to obtain an aqueous solution with the pH} value shown below? aniline (C6H5NH2) for PH of 8.90

82. ## communications

This is homework for communications class, and I'm not sure what the hell I need to do. I need to get a good grade, because I'm not doing to well. Please help. Here is what to do. Using I language Practice using I language. Use it at work, school, home

83. ## Mat 116

substitution method 7x +9y= 19 x=25-5y ___________ 7(25-5y)+9=19 175-35 +9=19 -175 -175 _______________ -26y= -156 y=6 substitute for x x=25-5y x=25-5(6) x=25-30 x=-5 now substitute 7x+9y=19 7(-5)+ 9(6)=19 -30+56=19 19=19 his part is wrong I believe

84. ## Economics

Multiple choice 1. If the friend offers to pay you $1 five years from today, the net present value will: A)be higher than$1. B)depend upon the interest rate offered. C)be equal to zero since you don't have the dollar. D)not be important in understanding

85. ## Circle geometry!

A circular tunnel, 20 m in diameter is blasted through a mountain. A 16 m wide road isto be constructed along the floor of the tunnel. What is the maximum height of the tunnel to the nearest meter?

86. ## Chemistry

Calculate the average translational kinetic energy (kJ/molecule) for a molecule of NH3 at 431 K, assuming it is behaving as an ideal gas. I understand how to figure out the kJ/mole, but I don't understand how to get the kJ/molecule that this question is

87. ## Social Studies

1.Do you think the special powers of the Senate or those of the House of Representatives are more important? What is this question asking me? It is asking me who power do I think is more important between the Senate and the House of Representatives? Thanks

88. ## chem

The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an absorbance of 0.520. If a trial's absorbance is measured to be 0.275 and its initial concentration of SCN– was 0.00060 M, the

89. ## Physics

Suppose at a concert a singers voice is radio broadcast all the way around the world before reaching the radio you hold to your ear . How long does this take . __ seconds I don't understand thisss ! Help me !

90. ## PHYSICS

What is the inductance L of a 0.40 m long air-filled coil 3.2 cm in diameter containing 10,000 loops?

91. ## Algebra

Solve the system of equation by graphing. Then classify the system. 3x + y = 4, 4x + 5y = -24. Solution: Infinitity many solutions, no solution, System inconsistent/ consistent, Equation dependent/ independent.

92. ## chemistry

two solutions are mixed: 100.0 mL HCl(aq) with p 2.20 and 100.0 mL of NaOH}(aq) with pH} 11.20. What is the pH} of the resulting solution?

93. ## Calculus

"Evaluate the following indefinite integrals: "S" (3x^2 -2)/(x^3 - 2x + 1)^3 dx" We're practicing the substitution rule, and I know how to do it, but I don't know what/how to substitute in this question. btw: "S" is the integral sign.

94. ## College Algebra

How do you solve L=2.43*9.0^0.3326 to get the wingspan of a pelican in feet?

95. ## History

I don't understand why the US's aid to China during the Chinese Civil War was considered to be wasted. Why would that be?

96. ## math

to change a fraction to a percent first write the______equivalent of the fraction parallel unit price rate isosceles decimal

97. ## geometry

if two cones are similar and the ratio between the lenghts of the radii is 7:3, what is the ratio of their surface areas

98. ## math

Solve x^2+2x-4=0 When i try to factor this problem out I cant get it to work. Is this a no solution problem

99. ## trig

Verify the Identity: sec(x/2)=the square root of (2 tanx/(tanx sinx))

100. ## History

The US sent aid and assistance to China, much of it beig wasted by BLANK. When General BLANK told Truman that the United States could not affect the results of the Civil SWar, America became less interested in supporting the nationalists. What could be the

101. ## chem101

a 0.1M NaOH solution has been prepared for you.Describe how you would prepare 1 litre of the same solution

102. ## english

What must we do to truly understand ourselves?-essay. please help me with changes if any are required in the following essay on the above topic. Understanding oneself is an ongoing process, one that occurs as we change – new jobs, marriage, become

103. ## Chemistry

Compare the properties of elements and compounds. Give two examples of each, including one example that exists in the human body. Explain the atomic nature of one element and one compound found in human body.

104. ## chemistry

help balance this redox equation: HNO3 + Zn(s) NO(s) + ZnO ...i know i need H2O and possibly H+

105. ## history

what do you think the European Union gives more attention to: promoting democracy in formerly Communist countries, growing the economy of the less-developed countries, or environment?

106. ## Mat 116

what is the domain of p? p(x)=x²-2+7 I do not know how to do this problem. Please help!

107. ## English

Understanding oneself is an ongoing process, one that occurs as we change – new jobs, marriage, become parents... The best and easiest way to understand our self is to figure out our likes and dislikes. In the future, this helps us to take decisions of

108. ## social studies

can someone help me find a website for this timeline, please. create a timeline tracking the following major themes/paradigm shifts in American history from the beginnings of the Cold war in 1945 to the end of the Cold war in the early 1900's

109. ## Chemistry

Which will produce a decrease in entropy? dissolving sodium chloride in water dissolving oxygen in water sublimation of naphthalene is it the third option, sublimation?

110. ## geometry

An isosceles triangle has two 10.0-inch sides and a 2w-inch side. Find the radius of the inscribed circle of this triangle, in the cases w = 5.00, w = 6.00, and w = 8.00. And Write an expression for the inscribed radius r in terms of the variable w , then

111. ## UOP. PSY210

"What is the biomedical approach as well as the psychodynamic, humanistic-existential, behavior, and cognitive approaches to psychotherapy. How do they work with and explain four essential characteristics:" AxiaCollege, UOP PSY210 Class) 1. Systematic

112. ## chemistry

Given a sufficient supply of nitrogen gas, how many moles of ammonia gas will be produced from 10.8 moles of hydrogen gas?

113. ## Algebra

a. The sales representative informs you that there are 56 houses for sale with two floor plans still available. Use x to represent floor plan one and y to represent floor plan two. Write an equation that illustrates the situation

114. ## social studies

If -then clauses If an air mass originates over an ocean.... if an air mass originates over an continent... If a large body of water is cooler than the land next to it... If a large body of water is warmer than the land next to it...

115. ## Grammar

What's an consonant?

116. ## Ecology

Menge and colleagues performed experiments in which they exposed some populations of mussels to sea stars and excluded sea stars from other mussel populations. Suppose that the sea star population consists of 20 individuals and the two populations of

117. ## Math

Could someone please help me with this. I am confused. Math is a weak point for me. Solve the system of equations by graphing. Then classify the system. 9x-6y=30, 6x-9y= -30. The solution is? Consistent or inconsistent, dependent or independent? How would

118. ## Circle geometry

A chord is 6.0 cm from the centre of a circle of radius 10 cm. How long is the chord to the nearest tent of a centimeter???

119. ## chemistry

these are my three thermochemical equations 2Cu(s)+S(s) give Cu_2S(s) delta H -79.5 KJ S(s)+O_2 give SO_2(g) -297 KJ Cu_2S(s)+2O_2(g) give 2CuO(s)+SO_2(g) how i calculate standard enthalpy of formation in Kj per mol of CuO(s)? please don't give the answer

How did U.S. manufacturers become vulnerable to offshore outsourcing

121. ## English

How does the the notion of colonization impacts on your post-modern or fluid notions of personal idenity?

122. ## Chemistry II

The equlibrium constant Kc for the reaction: has the value of 4.00 at 500K. If a mixture of 1.00 mol CO and 1.00 mol H2O is allowed to reach equilibrium at this temperature in a 1.00L flask, calculate the equilibrium concentrations of each species in the

123. ## Chemistry

Calculate the temp at which DG for a reaction (with/ DH= -19.9 kJ/mol and DS= -55.5 J/k-mol) will be equal to 0. Is the correct answer -358.56 K?

124. ## chemistry

Why will the pH of pure water at 25 degree celcius be equal to 7.0 ?

125. ## physics

A merry go round has a radius of 3.5 meters. How far does a child standing at the edge travel (path length) if the wheel is rotated 13.0 radians?

126. ## PHYSICS

If the current in a 100 mH coil changes steadily from 25.0 A to 10.0 A in 375 ms, what is the magnitude of the induced emf?

127. ## Mat 116

Solve the system by graphing 8x-6=-18 6y-8x=18 divide 1 equation by 2 4x-3y=-9 divide 2 equation by -2 -4x-3y=-9 this makes both equation dependent slope intercept of two equation 4x-3y=-9 3y=4x+9 this makes this consistent. Just helping if I can.

128. ## English

I have to write a poem based off "Stop being a chicken. Be yourself" And I can't think of something to write about. Do you have any ideas?

129. ## psychology

How much time and energy can you invest in making sure you aren't guilty of the fundamental attribution error or the self-serving bias?

what are large groups of stars, gas, and dust held together by gravity?

163. ## calculus

If the graph of f passes through the point (1, 0) and the slope of the tangent line at(x, f(x)) is 4x − 3, find the value of f(2).

164. ## calculus

FIND DISCONTINUITES OF F(X)=X+1/X^3-64

165. ## math

the______ relates to a price to some common unit parallel unit price rate isosceles decimal

166. ## algebra

(6a^3bc^5)(-3a^4b^2c^3) simplify

167. ## HCS/539

What advertising, publicity, and sales promotion tools might be combined to market a new health care product and service? Provide examples.

168. ## calc

Consider a function f : {R}^2 \to {R}^2 for which f(4, -4) = (3, 3) and f{D}f(4, -4) = (5 4) (-3 0)

169. ## math

Construct a box-and-whisker plot for the set of numbers. 348, 234, 146, 384, 247, 487, 276, 221, 303

What is the net present value (NPV) of this replacement project? The old equipment has a book value of $200,000 (year 0) and a current salvage value of$300,000 (year 0). It is being depreciated on a straight-line basis. It has four more years of

171. ## ETH

is it difficult to accurately measure prejudice?

172. ## History

According to Smedley Butler what the are reasons the US has intervened in countries like CUba, Haiti, Mexico, Nicaragua, the Dominican Republic, and CHina?

173. ## social studies

How and why are hate groups protected by the constitution?

174. ## history

Name one event during each decade 1950s, 1960s, 1970s, 1980s, and 1990s, which had an overriding influence on U.S. culture, economy, or governmental policy within that decade.

175. ## statistics

A researcher interested in relationships developed a questionnaire that measures the degree of affection adult men feel for their fathers. She has found that for the general population the distribution is skewed to the right, the mean degree of affection

176. ## physics

Using gauss's law,calculate the electricfield at a distance r=20cm from a point charge q=4microcoulomb.

177. ## Mat 116 Final

Is it true when the problem says solve x= then it is one number, or fraction. The test does say below where it is looking for an answer will say type integer, or fraction. Then I get myself confused when it says 7x = -56 I figured this is dividing -56 by 7

178. ## social studies

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

0.5x+1

180. ## math

Conduct an interview to find out how someone else responds to the question, “Why is a negative number times a negative number a positive number?” Write a report describing your findings.

181. ## chem

) I need to convert water vapor pressure 2.3 cm of Hg into cm of H2O. Density Hg= 13.6 gm/cm3 and Density H20 = 1.0 gm/cm3.......

182. ## college

The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?

183. ## math

Find vertex, the line of symmetry, and the maximum or minimum value of f(x). f(x)= (1/4) (x+3)^2 +9

184. ## French

Can someone please help me correct this? It's about restaurants and foods at my college. I'd really appreciate some help, thanks! Avant d'aller à l'université, j'ai mangé beaucoup d'aliments à Martinsburg, WV. Quand j'étais jeune, j'ai mangé les

what's lists of Indian possession?

186. ## Travel and Tourism - NYC and Tokyo

What can local and national governments do to assist the tourism industry in both cities? I need some suggestions.

187. ## Math

I do not understand how to decide which method would you use to determine whether this proportion is true or false? 19/6=4/27

188. ## PHYSICS!!

A 618 g sample of water at 73◦C is mixed with 478 g of water at 34◦C. What is the final temperature of the mix- ture? Assume no heat loss to the surround- ings. Answer in units of ◦C.

189. ## Mat 116

When the judge advisories juriors the rule of laws that apply to a case what is this called

191. ## English

On a Works Cited page, If I have 2 articles, they don't give an author name but says by: Associated Press and CNN Wire Staff, do I put that in the author place or do I skip that and start with the title. Thanks in advance.

192. ## math!

18 years and 6 months is 18.5 BUT is?: 18 years and 3 months = 18.3 or 18.4???

193. ## General Math

A company had 66 fewer employees in July 2005 than July 2004. If this represents 5.5 percent of decrease, how many employees did the company have in July 2005?

194. ## science 7

1o plant based products used weekly. Classify them into plant for food and plant for fiber

195. ## chemistry

what happens if you add more borax to a slime receipe

196. ## Math

Design a rational function with the following characteristics: three real zeros, one of multiplicity 2; y-intercept 1; vertical asymptotes x=-2 and x=3; oblique asymptote y=2x+1.

197. ## algebra

Kayla wants to buy snack that weigh 1 kilogram How much she'll have to pay if she buy food in bulk. t=total price p=price per kilogram

198. ## chemistry

Why will the pH of pure water at 25 degree celcius be equal to 7.0 ?

199. ## Chemistry

why should heating a content containing Zn and HCl be heated in fume hood.

200. ## physics

The force produced by Earth's gravity on a 70 kg man standing on the moon is more than 0.5 N True or False?

201. ## Literacy

Find three writing assignments and evaluate them based on the Six Trait Writing Rubric

202. ## Algebra 1

-5 [54-(99-18)] -5[54 +99 +19] -5 [ 153+19] -5 -860 f(x)=2x²-5x How can I simplify -860 to fraction? I know something like - 860/100

203. ## Tokyo

I need to think of 5 strategies that Tokyo should do to solve the issues caused by earthquakes. any ideas?

The main type of carbohydreat present in vegetable is as well as some and sugar

205. ## Math

Determine all values of x and y, such that xy, x/y and x-y are all equal.

206. ## math

Give the equation of the circle with center at (0, 2) and radius = 5

207. ## Grammar

What is the simple subject of this sentence "Behind the curtains, Devon was hiding from his sisters"

241. ## math

lines are ____if they never intersect parallel unit price rate isosceles decimal

242. ## algebra 1

(1,3) and (-2,-4) is m= 1/2

243. ## American History

what were the elements of urban liberalism?

244. ## cjs 250

any references to the topic: can any target environment be perfectly stably or predictable?

if you take apart 5x5x5 cube and build a pyramid with the same cubes, with each layer of the pyramid being a square and the top ending as a 1x1x1. How many tiers can you make?

247. ## social studies

What were the findings of the Nye Committees?

248. ## computers

First think of a database then think what could happen if a record had a mistake in it

249. ## education

what are some interruptive factors in a classroom?

250. ## crt /205

it taks someone with a really big heart to give to our charity, and you seem like someone who cares more than most. I'd like to know which fallacy that fits under

251. ## Algebra II

I'm trying to factor this and I just can't figure it out. Help? r^4 s^4 - 81

252. ## social studies

how and why did the global influence of the U.S. and the Soviet Union change between 1946 and the end of 1962?

253. ## University calculus

if g(x)=the integral sign (with sin(x^2) on top and 10 at bottom) (1+t) dt, find g'(sqr root pie/2)

254. ## Solve and Graphing Inequalities

x>4, and 2x/6

255. ## math

7y-49 / y-7 _____ _____ 4 14y divide and simplify

256. ## home economics

vegetable have a very high contentof

257. ## chem

i forgot how to figure out percent composition, can anyone help me out?