# Questions Asked onFebruary 20, 2012

1. ## Chemistry

For the following reaction, Kp = 3.5 104 at 1495 K. H2(g) + Br2(g) 2 HBr(g) What is the value of Kp for the following reactions at 1495 K? (a) HBr(g) 1/2 H2(g) + 1/2 Br2(g) (b) 2 HBr(g) H2(g) + Br2(g) (c) 1/2 H2(g) + 1/2 Br2(g) HBr(g)

2. ## chemistry - crude product

WHAT IS THE CRUDE PRODUCT IN RECRYSTALLIZATION?

3. ## geometry

A 24 foot ladder forms a 76 degree angle with the ground. The top of the ladder rests against the building. To the nearest inch how high up the building does the ladder reach?

4. ## Math

An electronic store receives a shipment of 30 graphing calculators, including 6 that are defective. Four of these calculators are selected to be sent to a local high school. How many selections can be made? How many of this selections will contain two

5. ## Geometry Are these two triangles similar? Thanks!

Are these two triangles similar? How do you know? There are two triangles HMG and JMK They are connected at the top point at M H is on the bottom left, G is on the bottom right, and M is at the top for triangle HMG For triangle JMK J is on the bottom right

6. ## Physical Science

How do you write the chemical equation for neutralization of nitric acid, HNO3, with magnesium hydroxide, Mg (OH)2, first with spectator ions and then without spectator ions?

7. ## Math

A sensor light installed on the edge of a home can detect motion for a distance of 50ft. in front and with a range of motion of 192degree. Over what area will the sensor detect motion and become illuminated?

8. ## Trigonometry

Simplify #1: cscx(sin^2x+cos^2xtanx)/sinx+cosx = cscx((1)tanx)/sinx+cosx = cscxtanx/sinx+cosx Is the correct answer cscxtanx/sinx+cosx? Simplify #2: sin2x/1+cos2X = ??? I'm stuck on this one. I don't know what I should do. Simplify #3:

9. ## Chemistry

The equilibrium constant Kp for the reaction below at 700°C is 0.76 atm. CCl4(g) --> C(s) + 2 Cl2(g) Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.20 atm at 700°C

10. ## calculus

The average (mean) value of (1/x) over the interval 1

11. ## calculus

the point (1,9) lies on the graph of an equation y=f(x) for which dy/dx=4x(sqrt(y)) where x is greater than or equal to 0 and y is greater than or equal to 0 a)6 b)4 c)2 d)sqrt(2) e)0

The decomposition of an aldehyde solution in carbon tetrachloride is a first order reaction with a rate constant of 1.20 x 10-3 min-l. If we start with [aldehyde] = 0.0500 molar, what will the concentration be 150 minutes later? 1.20e-3(150) = 0.18

13. ## chemistry

How many iron atoms are in 0.32 mol of Fe2O3

14. ## Chemistry

At 2200°C, K = 0.050 for the following reaction. N2(g) + O2(g) 2 NO(g) What is the partial pressure of NO in equilibrium with N2 and O2 that were placed in a flask at initial pressures of 0.81 atm and 0.20 atm, respectively

A model for the length of daylight (in hours) in Philadelphia on the t th day of the year is L(t)= 12+2.8 sin[2pi/365(t-80)] Use this model to compare how the number of hours of daylight is increasing in Philadelphia on March 21 and May 21. (Assume there

16. ## Chemistry

How much HCO2H is obtained by reacting 3.0g of FeS, 1.60g H2S, and 1.60g CO2 if the reaction results in a 47.0% yield? I know that I need to the molar mass of each which FeS-3.2/87.9=0.036 H2S-1.6/34.1=0.047 CO2-1.6/44.0=0.363 I just don't know other step

17. ## English

It must be nice," she said. "It must be very nice. I wish women could do such things." "It ain't the right kind of a life for a woman. Her upper lip raised a little, showing her teeth. "How do you know? How can you tell?" she said. "I don't know, ma'am,"

18. ## GEOMETRY

If EF=3x-10, FG=2x-15 and EG=20, find the value of x, EF and FG.

19. ## GEOMETRY

Which statement is contrapositive of the conditional: If a triangle is isosceles, then it has 2 congruent sides. 1. If a triangle does not have 2 congruent sides, then it is not isosceles. 2. If a triangle is isosceles, then it does not have 2 congruent

2L of 6M HCl

21. ## earth

A satellite 200 miles above the earth is orbiting the earth once every 6 hours. How long, in hours, does it take the satellite to travel 8,400 miles? (Assume the radius of the earth is 4,000 miles.) Give your answer both as an exact value and an

22. ## physics

A water-skier lets go of the tow rope upon leaving the end of a jump ramp at a speed of v1 = 14.7 m/s. the skier has a speed of v2 = 12.7 m/s at the highest point of the jump. Ignoring air resistance, determine the skier's height H above the top of the

23. ## English

What is the universal truth in "Oedipus the King"?

24. ## physics

A roller coaster moves 200 ft horizontally and then rises 135 ft at an angle of 30 degrees above the horizontal. Next, it travels 135 ft at an angle of 40 degrees below the horizontal. Find the roller coasters displacement from its starting point to the

25. ## Chemistry

For the reaction below at a certain temperature, it is found that the equilibrium concentrations in a 5.00 L rigid container are [H2] = 0.0500 M, [F2] = 0.0100 M, and [HF] = 0.400 M. If 0.340 mol of F2 is added to this equilibrium mixture, calculate the

26. ## Chemistry

Ba(NO3)2 is added (BaCrO4 (s) is less soluble than BaCr2O7 (S)) provide an explanation Thank You

27. ## CHEMISTRY

Find the amount of CuSO4.5H2O needed to prepare 500 mL of 0.25 M solution.

28. ## Chemistry

The equilibrium constant Kp for the reaction below at 700°C is 0.76 atm. CCl4(g) C(s) + 2 Cl2(g) Determine the initial pressure of carbon tetrachloride that will produce a total equilibrium pressure of 1.20 atm at 700°C

29. ## chemistry

While trace impurities of iron and chromium in natural corundum form the gemstones ruby and sapphire, they are basically a binary compound of aluminum and oxygen, with 52.9% Al. Find the empirical formula and give the chemical name for corundum. the answer

30. ## math

Assume that 3 digits are selected at random from the set { 2, 5, 6, 8, 9 } and are arranged in random order. What is the probability that the resulting 3-digit number is less than 900?

31. ## Chemistry

Consider the reaction below. 3 O2(g) --> 2 O3(g) At 175°C and a pressure of 128 torr, an equilibrium mixture of O2 and O3 has a density of 0.168 g/L. Calculate the Kp for the above reaction of 175°C

32. ## math

Suppose that n tennis players want to play an elimination tournament. That means: they pair up, at random, for each round; if the number of players before the round begins is odd, one of them, chosen at random, sits out that round. The winners of each

33. ## trig

The minute hand of a clock is 6 inches long. What distance does its tip move in 16 minutes?

34. ## Chemistry(Thank you for helping)

1) Given this data in a study on how the rate of a reaction was affected by the concentration of the reactants Initial Rate, RUN # (A), M (B), M (C), M mol L-1 s-1 1 0.200 0.100 0.600 5.00 2 0.200 0.400 0.400 80.0 3 0.600 0.100 0.200 15.0 4 0.200 0.100

35. ## math finite

Assume that there are 7 different issues of Newsweek, 8 different issues of Time, and 4 different issues of Sports Illustrated, including the December 1st issue, on the rack. You choose 4 of them at random. (1) What is the probability that you choose 2

36. ## math

The Washington Monument is the tallest structure in Washington D.C. At the same time the monument casts a shadow that is about 500 feet long, a 40 foot flagpole nearby casts a shadow that is about 36 feet long. Make a sketch. Find the approximate height of

37. ## Chemistry

In the decomposition reaction 2 KCIO3 (s) --> 2KCI (s)+3O2(g),what volume of O2 gas at STP would be produced from 3.66 of KCIO3 ?

38. ## Physics

A penny is placed at the outer edge of a disk (radius = 0.159 m) that rotates about an axis perpendicular to the plane of the disk at its center. The period of the rotation is 1.50 s. Find the minimum coefficient of friction necessary to allow the penny to

39. ## managerial economics

Exercise 1 The marketing manager has estimated the company’s demand curve with the equation P=3000 – 40Q. To develop a deeper understanding of pricing and quantity to be produced, complete the following analyses: 1. Draw the demand curve (use a range

40. ## Math

A wheel with radius 4 cm is being pushed up a ramp at a rate of 8 cm per second. The ramp is 760 cm long, and 250 cm tall at the end. How far does thw wheel Traveling at 8 cm/sec.How long does it take the wheel to complete one rotation. What is the initial

41. ## PHYSICS HEELLPPP!!

Many people mistakenly believe that the astronauts who orbit the Earth are "above gravity." Calculate g for space shuttle territory, 225 kilometers above the Earth's surface (dashed line in sketch). Earth's mass is 6 1024 kg, and its radius is 6.38 106 m

42. ## math

Darius uses the shadow method to estimate the height of a flagpole. He finds that a 5 foot stick casts a 4 foot shadow. At the same time he finds that the flagpole casts a 20 foot shadow. Make sketch. Use Darius's measurements to estimate the height of the

43. ## physics

wo packages at UPS start sliding down the ramp shown in the figure. Package A has a mass of 4.50 and a coefficient of kinetic friction of 0.190. Package B has a mass of 10.5 and a coefficient of kinetic friction of 0.170.

44. ## science

Consider the following reaction: CH3X + Y --> CH3Y + X At 25ºC, the following two experiments were run, yielding the following data: Experiment 1: [Y]0 = 3.0 M [CH3X] Time (hr) 7.08 x 10-3 M 1.0 4.52 x 10-3 M 1.5 2.23 x 10-3 M 2.3 4.76 x 10-4 M 4.0 8.44 x

45. ## Trigonometry Check

Simplify #3: [cosx-sin(90-x)sinx]/[cosx-cos(180-x)tanx] = [cosx-(sin90cosx-cos90sinx)sinx]/[cosx-(cos180cosx+sinx180sinx)tanx] = [cosx-((1)cosx-(0)sinx)sinx]/[cosx-((-1)cosx+(0)sinx)tanx] = [cosx-cosxsinx]/[cosx+cosxtanx] = [cosx(1-sinx]/[cosx(1+tanx] =

46. ## Physics

At about 51.2 meters/sec, a falling parachuter (before the parachute opens) no longer accelerates. Air friction opposes acceleration. Although the effect of air friction begins gradually, imagine that the parachuter is free falling until terminal velocity

47. ## math - probability

Assume that there are 7 different issues of Newsweek, 8 different issues of Time, and 4 different issues of Sports Illustrated, including the December 1st issue, on the rack. You choose 4 of them at random. (1) What is the probability that you choose 2

48. ## math

For this problem, assume that you are to pick 3 cars from the motor pool, which contains 6 subcompact cars, 6 compact cars, and 5 midsize cars. How many ways can you pick the cars so not all are the same size?

120. ## Biology

Most frog species have a distinct tadpole life stage. However, microhylids of Australia and New Guinea do not have a tadpole stage, but tadpole features appear and disappear during development in the eggs. This shows that A) microhylids need to be very

121. ## percentage

35%of the number of books Vick owns are fiction books.if Vick has 70 fiction books,find: A) the total numbe of books he owns. B) the number of non-fiction books he owns

122. ## English

Here is the second part of my summary I really need you to revise. Thank you. 1) Details of the behaviour, clothes and so on of the characters are part of the social setting of the story. Characters are the people who appear in a novel and represent the

123. ## English

I left out the last sentences on "fiction". Thank you very much, Writeacher! 1) The point of view can be fixed, when the story is told from a single point of view, as in Defoe’s Robinson Crusoe, or shifting, when perspective moves from one character to

124. ## biology

Regulation of an enzyme's activity occurs a) before the enzyme is produced b) during the production of the enzyme. c) when the enzyme already exists in the cell. d) at any point on the enzymatic production pathway. Thank you

125. ## Chidren,Families,and Society

Larry is a very aggressive four-year-old child.he watches many television programs that contain violence.it's most likely that

126. ## calculus

d/dx(e^sinx2x)= a)-cos2xe^sinx2x b)cosxe^sin2x c)2e^sin2x d)2cos2xe^sin2x e)-2cos2xe^sin2x

127. ## algebra

Which set of ordered pairs represents a function from P to Q? P={5, 10, 15, 20} Q={-2,0,2}

128. ## math variation ques

The price, $C, of printing n copies of a book is partly constant and varies partly as n. The selling price of each copy of the book is fixed as$b. If 630 copies were printed and sold, there would be a loss of 10%. If 980 copies were printed and sold,

129. ## Math 12

Simplify #1: cscx(sin^2x+cos^2xtanx)/sinx+cosx = cscx((1)tanx)/sinx+cosx = cscxtanx/sinx+cosx Is the correct answer cscxtanx/sinx+cosx? Simplify #2: sin2x/1+cos2X = ??? I'm stuck on this one. I don't know what I should do. Simplify #3:

I am taking a business class and I cant find an aswser for this question can someone help? Cory is at the top of her companys organization chart. Which of the following is most likely to be her job title? Choose one answer. a. executive manager b.

131. ## percentage

Chitra used wheat flour&plain flour to bake some cakes.19%of the flour used was wheat flour.if she used 475g of flour,find: A) the total mass of flour she used for the cakes B) the mass of plain flour she used

132. ## Chemistry

I had to perform an experiment for the freezing point depression in which we had to determine the frezzing points of water as a pure solvent, sodium chloride, sucrose, and ethylene glycol. We had to work with a partner so I completed the experiment for

133. ## Physics

Two blocks are positioned as shown below. block A has a mass of 15 kg and hangs on one end of a cable that passes over a frictionless and massless pulley. The other end of the pulley is attatched to block B which has a mass of 10 kg. Block B rests on an

134. ## scottsdale CC

During a 5.00 s interval, a particle’s coordinates change from x =10.0 m, y =5.00 m to x =30.0 m, y = 5.00 m. Assuming the particle’s velocity is constant, what will its coordinates be at the end of the next 5.00 s interval?

135. ## physics

A 6kg cat is running across a table which is 1.2 m tall. The kinetic energy of the cat is 48 j. A) how fast is the cat running? B) what is the potential energy of the cat? C) what is the total mechanical energy of the cat?

136. ## physics

A 6kg cat is running across a table which is 1.2 m tall. The kinetic energy of the cat is 48 j. A) how fast is the cat running? B) what is the potential energy of the cat? C) what is the total mechanical energy of the cat?

137. ## Chemistry

Calculate the freezing point depression of an aqueous solution prepared by mixing 22.0 g C6H12O6, with 600 ml of water

138. ## Chemistry

One liter of Saline solution is prepared by dissolving 25.0 g NaCl in water. Find the molarity of this solution.

139. ## Psychology

Sally is driving her car and talking on her cell phone. Statistically this behavior has been shown to be quite dangerous and contributes to many automobile accidents. In performing these two tasks simultaneously, Sally uses: a. conscious cognitive

140. ## Math

The number f water hyacinth plants growing on a lake increases exponentially with time. On Tuesday the number of plants is 150. That Friday the number has risen to 240. If it takes 3400 plants to completely cover the lake, will the lake be completely

141. ## calculus

A 33 by 33 square piece of cardboard is to be made into a box by cutting out equal square corners from each side of the square. What size corners should be cut out so that the volume of the box is maximized?

142. ## phys2

Grace is playing with her dolls and decides to give them a ride on a merry-go-round. She places one of them on an old record player turntable and sets the angular speed at 45.0 rpm. (a) What is their angular speed in rad/s? 1 Correct: Your answer is

143. ## FInite Math

-.30x+.20y +.25z =0 .20x -.40y +.05z =0 .10x +.20y -.30z =0 x=? y=? z=?

144. ## math

Assume that the playbook contains 10 passing plays and 12 running plays. The coach randomly selects 8 plays from the playbook. What is the probability that the coach selects at least 3 passing plays and at least 2 running plays?

145. ## Chemistry

Calucluate the pH of 100 mL of buffer that is 0.075 M NH4Cl and 0.175 M NH3 before and after the addition of 1.00 mL of 5.05 M HNO3 I have no idea where to even start. HELP!

146. ## Chemistry

1)For the reaction, A = B + C, the rate law is k(A). If it takes 80.0 seconds for 70.0% of a 10.0 gram sample of A to be transformed into products, what is the value of the rate constant? I was going to do 80/10 = 8 and then 8 times .70 but im not sure

147. ## Chemistry

At a particular temperature, K = 2.0 10-6 mol/L for the following reaction. 2 CO2(g) 2 CO(g) + O2(g) If 1.8 mol CO2 is initially placed into a 5.9-L vessel, calculate the equilibrium concentrations of all species.

148. ## Physics

A crane is holding a bloc of metal of 10 000kg. If the crane's arm weights 1000kg and is 10,0m long, what is the tension in cable a and how big is the force exerted on the pivot of the cranes arm. the cable passes through the top of the cranes arm and then

We had to read An Essay on Criticism by Alexander pope and answers some questins. I spent my weekend trying to figure out one of the questions-Could someone please help "Those Rules of old discover'd, not devis'd Are Nature still, but Nature Medthodiz'd

150. ## Math/117 University of Phoenix

Could someone look over this paper before I turn it in? Thanks Hint: Pay attention to the units of measure. You may have to convert from feet to miles several times in this assignment. You can use 1 mile = 5,280 feet for your conversions. 1. Many people

151. ## Physics

A baseball is thrown vertically upward (assumed to be the positive direction) with a speed of 19.3 m/s from a height of 1.18 m. How high does the ball rise from its original position?

152. ## chemistry

In a lab experiment I added Br2 to hydrocarbons cyclohexane, cyclohexene, and toluene. A loss of color would indicate a reaction took place. Only the cyclohexene lost color and turned clear. I guess this means that the Br2 broke the cyclohexenes double

I need to calculate the molecular mass of ehtylene glycol based on the freezing point depression. The teacher said that for glycol i=1 and to use the equation m=delta T / Kf X i Kf = -1.86C/m so I did -2.5C / -1.86 X 1 = 1.344 I know that 1.344 can't be

154. ## Algebra 208

Cost of Tuition In 2000, the average cost of tuition and fees at private four-year colleges was $16,200, and in 2005 it was$20,100. Sketch a line that passes through the points (2000, 16200) and (2005, 20100).

155. ## physics

A 61.7 kg person jumps from rest off a 2.98 m-high tower straight down into the water. Neglect air resistance during the descent. She comes to rest 1.19 m under the surface of the water. Determine the magnitude of the average force that the water exerts on

156. ## GEOMETRY

What is the slope of line that passes through (-4, -2) and (5, 1)?

157. ## English

Writeacher, I urgently need to rephrase these questions. I didn't want to repeat exactly the same questions but the answers, of course, must be the same. Can you help me rephrase them? 1) How was Elizabethan theatre structured? Focus your attention on the

158. ## chemistry

I tested the conductivity for two salts (NaCl and MgCl2) and I noticed that Nacl conducted more electricity. Why?

159. ## Physics

On June 9, 1988, Sergei Bubka broke the world pole-vaulting record for the 8th time in four years by attaining a height of 6.14 m. How long did it take him to fall?

160. ## biology

Which nutrient functions BOTH as an enzymatic cofactor and as a stabilizer of ribosomes and nucleic acids? a) potassium b) phosphorus c) calcium d) Magnesium Thanks for your help!!

161. ## social studies

how would I illustrate the ninth amendment?

162. ## physics

A satellite moves on a circular earth orbit that has a radius of 6.68E+6 m. A model airplane is flying on a 16.3 m guideline in a horizontal circle. The guideline is nearly parallel to the ground. Find the speed of the plane such that the plane and the

163. ## Social studies

I really need help on this, please! I've been reading my book for an hour and found no answer. Ok so here it is: Sumer lacked resources such as ... I have to list three resources that Sumer lacked. Please help. Thanks !

164. ## physics

A car of mass 907 kg coasts on a level road, starting with an initial speed of 14.2 m/s and coming to rest 15.2 s later. Find the frictional force acting on the car.

165. ## Algebra 2

You are cooking chili. When you take it off the stove, it has a temperature of 205°F. The room temperature is 68°F and the cooling rate of the chili is r = 0.03. How long will it take to cool to a serving temperature of 95°F

166. ## Chemistry

In the decomposition reaction 2 KCIO3 (s) --> 2KCI (s)+3O2(g),what volume of O2 gas at STP would be produced from 3.66 of KCIO3 ?

167. ## Eng. Essay - Writeacher

Writeacher or Bobpursley, or anyone who could help me with my essay. I don't know why I cannot find the post that I needed help on, my essay was on traditional families versus TV show families. I included more information. I wish I could include the link

168. ## Economics

3.The Theory of the Firm document, the Friedman article, and the information in chapter 4 argue that the main goal of a firm in a market economy is to maximize profit (shareholder wealth) over the long term. However, SEC regulations require U.S.

169. ## geometry

Joe's living room is a rectangle and measures 15 ft by 27 ft. Using a scale of 1 in. = 3ft. How could I sketch it and show both the actual measurements and the scale measurements

170. ## PHYSICS

A solid disk with a mass of 100kg and a radius of 0.2m, turns clockwise through an angular displacement 10 rad when starting from rest to attain its maximum angular speed, of 1 revolution every 0.5s. What is the angular acceleration that the wheel

171. ## physics

A diver has a mass of 75 kg takes part in a competition by having to perform 10 dives off the 10m platform above the water. Before he takes part he snacks on an energy bar (150 g) which provides 15 kj of energy. How many would the diver need to consume to

172. ## physics

(1) Dervive an expression for the maximum speed of v of electron in terms of V,me, and e. (2) The electron is replaced with a proton that starts from rest at the positive plate and travels toward the negative plate. Compare the maximum speed of the protons

173. ## phys1

A carnival swing is fixed on the end of an 7.6-m-long beam. If the swing and beam sweep through an angle of 130°, what is the distance through which the riders move?

174. ## English - Ms. Sue

Hi Ms. Sue I’m Aaron and I’m Mohammad’s friend, I helped Mohammad edit his, and I’m also doing a theme on the story “A few notes for Orpheus” and could gladly use your help. As Mohammad had pointed out before that the title is a musical tribute

175. ## chemistry

using a litmus paper only,how would you distinguish between HN4 and NaCl

176. ## math

If A varies inversely as the square of B and A=25 when B=1/5.Find B when A=49

177. ## Finanace

Beginning inventory 600 units @ $10 Purchases ( in order from first to last) 1,000 units @$11 900 units @ $12 700 units @$ 14 Sales for the period were 1,900 units A) Compute the inventory balance and the cost of goods sold at the end of the accounting

Choose one of the following topics with which you have had experience: o Hiring o Performance evaluations o Discipline o Termination o Diversity o Harassment o Manager as a role model • Write a 1,050- to 1,400-word paper addressing the following points:

179. ## English Journey Assessment Task

WHAT IS IT? Speech on the ways the concept of JOURNEY is expressed throughout Rabbit Proof Fence and two other related texts of your choosing PLUS a typed transcript of that speech. Focus Area: What are the messages / ideas continued within the texts about

180. ## Psychology

What is a number one reason for me as student majoring in psychology to learning about experimental and non experimental research involving psychology?

181. ## English

Are "Once upon a greek stage" and "Oedipus the King" the same story"?

183. ## chemistry

how can sand and iodine crystals be separated

184. ## chemistry- solubility

hydrocarbons nhexane, cyclohexane, and toluene are are insoluable in H2O (i assume because the hydrocarbons are non polar and water is polar) but why are these three hydrocarbons soluable in CH2Cl2?

310. ## math

i have 739 gallons of water , how many 30 gallon containers can i fullfill? what is the answer?

311. ## Math

Transform: log3^4= log(3/4)=

312. ## Chemistry

I am trying to find th e# of moles of NaCl but I am not sure of the units. 3.914g NaCl / mm=58.44 so is it 3.914g/mol divided by 58.44g/mol = 0.0669moles. I am not sure how many significant figues to use.

313. ## health

What is a restitution in a health question

314. ## Statistics homework distribution problem?

i need help with how to solve this: consider a normal distribution with mean 30 and standard deviation 2. what is the probability a value selected at random from this distribution is greater than 30? the book gives me the answer but i need to know how to

315. ## Calculus

Find all the points (x,y) on the graph of f(x)=9x^2-36x+35 where the slope of the tangent line is zero.

316. ## Ground School

I am taking a ground school class for my private pilot license and am having trouble with weather, what is the best way to go about learning this stuff????

317. ## Ground School: Regulations

I am working on my private pilot license and these regulation things, HOW do you learn all of them?????????

318. ## Math

A person travels 32 meters,turns right & travels 34 more meters. It took 3 minutes. What is her speed?

319. ## Math

Include an explanation. Factor the trinomal: 3a^2-13a+4

asked by He Belongs With Me. :/
320. ## Math

An alien rocketship is traveling at a speed of 2,500,000 feet per minute. At this speed, how many miles will it travel in 1 second? Round to the nearest thousandth.

321. ## writing

Why is it important not to run and fool around in an evacuation drill? Why do you have to stay calm during the drill?

322. ## college algebra

t(x)=2x^2-1, Find t(2/3)

323. ## PSY

Humans develop as a result of interactions of 3 influences: genes that the person has inherited, events and situations that are external to the individual and the unfolding of a genetically influenced, often age-related, sequence of physical changes and

324. ## math

Show that the following data could not possibly be fit by an exponential function x y 3 72 5 200 7 392

325. ## calculus

∫ x^2 to 1 (ln^2x/x)dx= (A)(7/3e^2) b)0 c)2.72 d)4.44 e)1.72

326. ## English

Writeacher, I'm posting you the rephrase again. I varied a few things, Thank you very much for you cooperation. 1) Mr. B refers briefly to the incident in the summer house. He excuses himself by saying that on that occasion he didn’t want to do her any

327. ## Cross country running

how do you keep motivated to keep going even though your body wants to quit?

328. ## calculus

wat is the ans of this solutions? y=sin^4x cos4x? ^

329. ## calculus

integral from 1 to 0 of e^2x dx= a)e^2x-1 b)e^2 c)(e^2/2) d)(e^2-1)/2 e)2e^2-2

330. ## english

drunk driving paper

331. ## math

if z(t) = 60 * 1.03^t, find t when z(t) = 144

332. ## calculus

integral of 5 to 0 (dx/(sqrt(1+3x))= a)4 b)(8/3) c)2 d)(16/9) e)1

x=3y+2

334. ## computer literacy inf103

what do you think are the ethical responsibilities that should be adopted when any revolutionary technology is being developed? can you cite any existing sources on this from the literature?

335. ## calculus

∫ x^2 to 1 (ln^2x/x)dx= (A)(7/3e^2) b)0 c)2.72 d)4.44 e)1.72

336. ## karachi public

find out the quantity of nac2o4 per/liter in 500 ml?

337. ## Animal Science

what time of the year do feral cats usually mate?

338. ## calculus

If g'(x)=2g(x) and g(-1)=1, then g(x)= a)e^2x b)e^-x c)e^(x+1) d)e^(2x+2) e)e^(2x-2)

339. ## science

i need to find a website that has a picture of hafnium lamp filaments

340. ## Math

A bicyclist travels 20 miles per hour. How long would it take the cyclist to finish a 120 mile race?