# Questions Asked onApril 4, 2012

1. ## Math

Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 96 in. Find the dimensions of a rectangular package that has a square cross section and the largest volume that may be sent via priority

2. ## algebra

Rectangular pyramid has a base area of x^2+3x-10/2x square centimeters and a height of x^2-3x/x^2-5x+6 centimeters. Wright a rational expression to describe the volume of the rectangular pyramid

3. ## Chemistry

Addition of which of the following substances will increase the solubility of CuCO3 (s) in water ? CuCO3 ---- Cu^2+ (aq) +2 CO3^2- (aq) 1. Aqueous hydrochloric acid 2. Aqueous sodium carbonate 3. Solid copper (II) carbonate a) 1 only b) 2 only c) 3 only d)

4. ## Math

The sum of 11 consecutive positive integers is 2002. What is the greatest of these 11 integers? *************************************** I truly appreciate the time and effort that you all give answering our questions and taking the time to explain how to

5. ## Chemistry

Calculate the concentrations of H2SO3, H3O+, HSO3-, and SO32- in a 0.025 M H2SO3(aq) solution

6. ## Chemistry

when 0.20 mole HF is dissolved in water to a volume of 1.00 L, 5.8% of the HF dissociates to form F- (aq). What is the equilibrium constant for the reaction ? HF(aq) + H2O (I) ----- F- (aq)+H3O+(aq)

7. ## calculus

Let R be the region in the first quadrant that is enclosed by the graph of y = tanx, the x-axis, and the line x = π/3 h. Find the area of R i. Find the volume of the solid formed by revolving R about the x-axis

8. ## Essessentials of Communication(Speech)

I've been stuck on this question for the longest and can't find help anywhere. Instructions Read the following statement; then respond with a question, content paraphrase, feeling paraphrase, and a combination of content and feeling paraphrase. Statement

9. ## Math

The height(H) of an object that has been dropped or thrown in the air is given by: H(t)=-4.9t^2+vt+h t=time in seconds(s) v=initial velocity in meters per second (m/s) h=initial height in meters(m) H=height h=initial height I didn't make this clear on the

10. ## Chemistry

the standard free energy change for a chemical reaction is +13.3 kj/ mol. What is the equilibrium constant for the reaction at 125 degree C ? (R= 8.314 j/mol )

11. ## math

A basketball team needs 5 players. The team can choose from a group of 7 players. Explain how to find the number of combinations of players that can be on the team.

12. ## algebra

what is x short leg for right triangle when given long leg b is 1/2x +11 when given hypotenuse c is 2x + 1 i put (-1/2x + 11) +(2x + 1) = x and came out with 20 but that did not work out when squared A + b = C. I estimated x/a = 8, then b = 15 and c = 17

13. ## chemistry

The specific heat of iron is approximately 0.45 J/g °C. How much heat energy is required to raise a 40 g sample of aluminum from 40 °C to 60 °C?

14. ## SOCIAL STUDIES

4. What did the construction of the Berlin Wall do to the country of Germany? (1 point) The Berlin Wall surrounded the country of Germany and created a unified state. The Berlin Wall divided East and West Germany. The Berlin Wall symbolized national pride

15. ## us history

Why did nonviolence prove to be a successful strategy for confronting segregation?

16. ## Chemistry-Dr Bob help!!

0.100 M solution of a weak acid, HX, is known to be 15% ionized. The weak acid has a molar mass of 72 g/mol. 1. What is Ka for the weak acid? 2. What is the pH of the buffer prepared by adding 10.0 g of the sodium salt of the acid (NaX) to 100.0 mL of

17. ## Chemistry PLZ HELP!!!!!

if Ca and F atoms are allowed to react what will be the electron configurations and lewis structures of the resultant ions?

18. ## acids and bases

Use the acid-base reaction HI + CsOH CsI + H2O to answer the following questions. i. What is the Arrhenius acid and what is the Arrhenius base in the above reaction?

19. ## chemistry,Ksp

Ksp The solutions at the two Pb electrodes of a concentration cell were prepared as follows: Cell A: A mixture of 1.00 mL of 0.0500 M Pb(NO3)2 with 4.00 mL of 0.0500 M KX (the soluble potassium salt of an unspecified monovalent ion X-). Some PbX2(s)

20. ## kinetic theory

. What phase is water in at 100°C and 2 atm pressure?

21. ## math problem

A simple rain gutter is constructed using a sheet of aluminum that is 40cm wide. The edges are turned up to form right angles. Determine the depth of the gutter that will maximize the cross-sectional area (allowing the greatest amount of water to flow). I

22. ## biology

why do breathing rates increase in crowded rooms. pls help

23. ## acids and bases

HI is a strong acid, and CsOH is a strong base. What does "strong" mean?

24. ## psychology

Mike waits until the night before his big exam to start studying. He maintains that last minute cramming keeps the information fresh in his memory. What does connectionist network research tell us about the effectiveness of cramming? a)It is very effective

25. ## Algebra

Determine whether the equation represents direct, inverse,joint,or combined variation. y=31x/wz If it is combined, please explain to me.

26. ## chemisty

0.100 M solution of a weak acid, HX, is known to be 15% ionized. The weak acid has a molar mass of 72 g/mol. 1. What is Ka for the weak acid? 2. What is the pH of the buffer prepared by adding 10.0 g of the sodium salt of the acid (NaX) to 100.0 mL of

71. ## statistics

The general manager for Gordon's Self Service Gasoline is interested in estimating the mean number of gallons of gasoline that are purchased by customers at their Philadelphia location. He would like his estimate to be within plus or minus 0.50 gallons,

72. ## life orientation

What are the environmental problems? (A list of the)

73. ## math

only 5% of the carbon-14 in a small wooden bowl remains , how old is the bowl? Hint, half-life for carbon –14 us 5730 years

74. ## English

what question should you ask while reading a memoir? A. what prompted the author to write this? B. Why is the author focusing on this event? C. what am i supposed to take away from this memoir? D. All of the above

75. ## British Literature 2

In Rosencrantz and Guildenstern are Dead, how do other characters define isolation (compared to Rosencrantz and Guildenstern) and how does it effect their actions? For example, how does Hamlet's sense of isolation from the court differ from the isolation

76. ## Science

Heat flows in which direction? A)from solid objects to liquids B)from larger objects to smaller objects C)from warmer objects to cooler objects D)from more dense objects to less dense objects THANKS!

77. ## statistics

2. Using the MM207 Student Data Set: a) Select a continuous variable that you suspect would not follow a normal distribution. b) Create a graph for the variable you have selected to show its distribution. c) Explain why these data might not be normally

78. ## english

Could someone check mty work? Which of the following would not be a good strategy for delivering a speech? Make sure your presentation is running properly Start talking over the audience to quiet them down (anser) Use correct grammar and well formed

79. ## Math

How would you graph this piecewise function f(x) = x^2 if lxl < or equal to 1 1 if lxl > 1 Thanks Very Much!

180. ## Maths

I was given a question on number patterns. The queston states tha I must keep adding one table to increase the amount of seatings by keeping it in a square formation. I need to giv a general formula but I am struggling with the sequence

181. ## Intermediate Algebra

Essay Question.Show all work.Find the difference.(3x^2-6x+8)-(-8x^2+x-4)

Each day life becomes a little more difficult.Northern forces have blockaded our ports.Now we are unable to ship our goods and make a living. Most people around here plant cotton and tobacco to sell. We depend on those sales.We are doing our best to get

183. ## English

Rewrite each sentence below, replacing all clichés with more creative or straightforward expressions Since we had worked like dogs for eight hours, we finally put a lid on it at 6:00 p.m.

184. ## Math

Find the formula for piecewise function f(x) = ____ if x < or equal to -1 ____ if -1 < x < or equal to 2 ____ if x > 2 Thanks! I got -1, x, and 2. Am I right?

185. ## Math (Urgent)

Label exact values for all x and y intercepts. Q1: f(x)=x^3-2x^2-5x+10 f(x)=X^2(x-2)-5(x-2) f(x)=(x-2)(x^2-5) f(x)=(x-2)(???) Q2: f(x)=x^4-5x^2 f(x)=x^2(x^2-5) f(x)=??? please help and thank you

186. ## math

the teacher told each student to bring in 3/8 yard of string. they all brought in a total of 13 yards. how many students will be in the class

187. ## Physics

What is the upper tripper point (UTP) of a comparator with hysteresis if R1 = 47 kÙ, R2 = 68 kÙ and the maximum positive output voltage is 10V?

188. ## chemistry

Why does specific heat increase the greatest when it's near its freezing point?

189. ## math

what is the volume of a cube with sides that measure 5 times x to the second power times y to the third power

190. ## financing

if you limit yourself to only common stock,you would seek out defensive stocks, where returns tend to go up and down by less than those for the overall market. please expand

191. ## math

pls I need help to solve this: 9(y-1)^2-25

192. ## icebergs

do icebergs melt from the bottom upwards ?

194. ## Algebra

Approximately how many square meters are there in 17 square yards? Round to the nearest tenth. 20.3 14.2 14 15.5

195. ## College algebra

I need a step by step explaination of the example in my book. Find the domain of f(x)=(7x)/(x-8)

196. ## Intermediate Algebra

Essay questions show work.Add the folollwing polynomials.(-1/3x^2-1/4x+3/4)+(1/2x^2-1/4x-1/2)

197. ## language arts

can anyone plz tell me a gud story if u were evr a shape for example this wut my friend her shape was a rectangle she wrote that the rectangle is going to apply for a job and the job is of an ice cream cart meaning like the ice cream cart and at the end

198. ## algebra

35/(7-2)/ the square root of 49

199. ## english

rewrite each sentence to improve emphasis, using guidelines in parentheses the flights of man into space are truly astonishing (inverted sentence)

asked by Doctor Who
200. ## chemistry

OK how does 4H+O2 got to 2 H2O? I have no idea and it doesn't help that i just moved to a new school and I didn't even know what this stuff was!

201. ## MathLog#4

Simplify: ((2x^n)^2 - 1)/(2x^n-1) where x is an integer and n is a positive interger. for this one igot the answer the same as 2n^x+1, but will the value of the given expression be even, odd, or either? Please explain. :) Thank Yoo

202. ## calculus

Use Newtons method to find the roots of the equation 1/x=1+x^3

203. ## math

4n - 8 ≥ 7 answer?

204. ## Math

n/6 + 4 ≤ 20 answer?

205. ## Math

n/-2 + 11 > 17 answer?

206. ## math

find the fractions with common denominators for each pair 3 5and 1 4

207. ## math

In triangle abc,point0 is the incenter ad=2',ab=10'.and bc =12' find y? would the answer be 5'

208. ## Bioscience

what type of endocytosis would be involved in transporting transferrin

209. ## Intermediate Algebra

Find the product.-9x(x-^3-3x^2+3x+9)

210. ## math

How many 7" x 7" squares can be made from 7 yards of material

211. ## Intermediate Algebra

Write all the statements that apply to the following polynomial ..-5x^+2x^2-7.....A)it is binomial. B)it cannot be evaluated at x=-1/3 C). it has a degree of 3 D).it is cubic

212. ## MATH

√(x+5)-√(x-3)=2

213. ## math

reduce 4/15 to lowest terms

214. ## help

from which equations is the following equation derived from: length=(time^2 * g)/4

215. ## Human resources

Role Play In this mock executive team meeting, you will assume the role and responsibility for a specific function (for example, human resources, marketing, finance, legal, and operations). The team will be given a scenario in which strategic decisions are

216. ## Social Studies

why were northerners who opposed the war called copperheads?

217. ## MAth

n - 9 > 14 Whats the answer?

218. ## math

2n + 6 < 11 answer?

219. ## social studies

why was general grant better able than general lee to withstand tremendous losses?

220. ## Algebra

7/w+2/+(-8w-2)/w^2+2w

221. ## algebra

find volume of the figure. Type in exponential expression. 2 2x 4 3 4x 4x shape is a retangle

222. ## science

If I begin with 100 atoms, how many atoms will be left of carbon 12 in 17,190 yrs if the half life of C12 is 5,730 yrs?

223. ## english

can u help edit papers in this section as well?

224. ## Intermediate Algebra

find the product..-9x(x^3-3x^2+3x+9)

225. ## math

n/-4 ≥ 7 answer?