1. math

what are the partial product and the product of 18x4

2. math

c ezicol 2 thi r ;r

3. math

number sense what two simpler problems can you use to find 9x38?

4. MEC

two charges repel each other with a force of 0.1N when they are 5cm apart. Find the forces between the same charges when they are 2cm and 8cm apart.

Frank saved 50% by purchasing his airline ticket early. His wife paid full price. If their total was $294 how much was Franks's ticket only asked by Anonymous 41. 5th grade math word problems if we need 5 oranges to make 3 small glasses of orange juice, how many small glasses of juice can we make with 100 oranges? asked by Anonymous 42. Algebra Year, t Sales, S(t) 1 62 2 246 3 664 4 1579 5 3258 6 8430 7 14,532 (c) If S−1 exists, find S−1(3,258). asked by Help 43. Physics Under the influence of its drive force, a snowmobile is moving at a constant velocity along a horizontal patch of snow. When the drive force is shut off, the snowmobile coasts to a halt. The snowmobile and its rider have a mass of 136 kg. Under the asked by jim 44. physics The drawing shows two boxes resting on frictionless ramps. One box is relatively light and sits on a steep ramp. The other box is heavier and rests on a ramp that is less steep. The boxes are released from rest at A and allowed to slide down the ramps. The asked by carol 45. Physics The drawing shows two frictionless inclines that begin at ground level (h = 0 m) and slope upward at the same angle θ. One track is longer than the other, however. Identical blocks are projected up each track with the same initial speed v0. On the longer asked by Tim 46. physics State the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS b. +0.50 DS c. +1.75 DS asked by Anyone know the answer to this? 47. physics A computer is reading data from a rotating CD-ROM. At a point that is 0.0382 m from the center of the disk, the centripetal acceleration is 118 m/s2. What is the centripetal acceleration at a point that is 0.0791 m from the center of the disc? asked by Anonymous 48. pre-cal aj uses a lingshot to launch a rock straight up from the a point of 6 ft. above ground level with an initial velocity of 170 ft per second. A) find an equation that models the height of the rock t seconds after it is launched. b) what is the maximum height asked by jhon avendano 49. statistics A university wants to estimate the average distance that commuter students travel to get to class with an error of ±3 miles and 90 percent confidence. What sample size would be needed, assuming that distances are normally distributed with a range of X = 0 asked by Anonymous 50. chemistry MgO + HNO3 = asked by bhanuka 51. chemistry MgO + HNO3 = ? asked by bhanuka 52. physics A speed skater goes around a turn that has a radius of 29 m. The skater has a speed of 14 m/s and experiences a centripetal force of 450 N. What is the mass of the skater? asked by Anonymous 53. chemistry A sample of orange juice has a pH of 3.44. Its [H3O+] is asked by Anonymous 54. Math The table shows men's shoe sizes in the United States and the corresponding European shoe sizes. Let y = f(x)represent the function that gives the men's European shoe size in terms of x, the men's U.S. size. Men's U.S. shoe size, Men's European shoe size 8 asked by Kristi 55. algebra 12 + 24 (10 - 4) (9 - 7) - 17 asked by kid 56. algebra find the number of decibels for the power of the sound. round to nearest decibel. a rock concert 5.34*10^-6 watts/cm^2 D= Db asked by missfubu-c 57. physics A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal att he same angle as the angle of incidence. Find: a.the angle between the light asked by help 58. Computers I know that there are a whole bunch of proxy servers out there but I can't seem to find one that will help me get around the system. I am wanting to use this proxy address to help me access school resource websites, but they're all blocked. HELP!!!! Please asked by Anonymous 59. Physics At the instant the traffic light turns green, an automobile starts with a constant acceleration a of 2.3 m/s2. At the same instant a truck is 11.7 m down the road and traveling with a constant speed of 10.4 m/s. (a) How far beyond the traffic signal will asked by Tommy 60. math what could i use to determine the probability that i will get at least 8 of 15 true or false questions right? asked by Rachel 61. algebra 1 Natalie performs a chemistry experiment where she records the tenperture of an ongoing reaction.The solution is 93.5 C after 3 minutes;90 C after 5 minutes,84.8 C after 9 minutes; 70.2 C after 18 minute; 54.4 C after 30 minutes;42.5 C after 37 minutes; and asked by Janet 62. literature Reflecting on this week’s literary readings, as well as your own reading experiences, identify at least one major similarity and one major difference between the forms of the short story and the poem. How do the differences between these literary forms asked by john 63. physics A 1.50-kg block slides on a rough, horizontal surface. The block hits a spring with a speed of 2.07 m/s and compresses it a distance of 12.2 cm before coming to rest. If the coefficient of kinetic friction between the block and the surface is μk = 0.577, asked by kay 64. Finance Your friend claims that he invested$5,000 seven years ago and that this investment is worth $38,700 today. For this to be true, what annual rate of return did he have to earn? Assume the interest compounds annually. asked by Arielle 65. physics/light reflection A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find: a.the angle between the light asked by Help please 66. AP Physics To test the performance of its tires, a car travels along a perfectly ﬂat (no banking) circular track of radius 120 m. The car increases its speed at uniform rate of at ≡ d |v| dt = 2.99 m/s 2 until the tires start to skid. If the tires start to skid asked by Noah 67. Simple Interest Applications An investor purchased a 91-day,$100,000 T-bill on its issue date for $99,326.85. After holding it for 42 days, she sold the T-bill for a yield of 2.72%. a)What was the original yield of the T-bill? b)For what price was the T-bill sold? asked by Steph 68. science How to count atoms ? asked by brodhi 69. Biology 1)Animal cells prefer to be in isotonic solution, while plant cells prefer to be in hypotonic solution. Explain what this means and why it is so. 2.) In terms of Gibbs free energy, what does “unstable” mean? Also, give at least two additional ways to asked by Alex 70. texas southern university A periodic wave has a frequency of 8.9 Hz. What is the wave period? ??__s asked by angela 71. texas southern university A quantity of gas in a piston cylinder has a volume of 0.544 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.126 m3 in an isothermal (constant-temperature) process. What is the final pressure of the gas? ??__Pa asked by angela 72. Algebra 2 When dealing with imaginary and complex numbers, are there 2 solutions? I.e.: x^2=4 x=2,-2 For: x^2=-4 x=2i or -2i ? (Is there a 2i and -2i, like for real numbers?) asked by Bart 73. Calculus What is the point of inflection of the function f(x)=x^3-8x^2+5x+50? Is the local extrema at f(1/3)=50.8 max and f(5)=0 min? For the second derivative I got f(x)=6x-16 and then got x=16/6 when set to zero. asked by Bill 74. Physics A fully charged 90-µF capacitor is discharged through a 60-Ω resistor. How long will it take for the capacitor to lose 80% of its initial energy? I know energy is given by E(t)=q(t)^2, but beyond that I really don't know how to solve this. Any asked by Bruce 75. Macroeconomics Cannot attach graph! a. If the actual price level exceeds the expected price level reflected in long-term contracts, real GDP equals _______ and the actual price level equals _______ in the short run. b. The situation described in part (a) results in a(n) asked by Amanda 76. algbra Find g:=ged[389,222] and a,b E Z such that g=a.389+b .222 asked by nithiya nithyananthan 77. business Is bluntbomb corporation. Good. Investment asked by head 78. science A reaction took place between a magnesium and florine in a large empty container if attraction and repulsive between these atom are equal at a distance of 0.001*10^-10m, calculate the couloumbic force between two atoms. asked by Simon 79. COLLEGE MATH ANDY PUT DOWN 1/14 INCH THICK SUBFLOORING.nEXT HE NAILED DOWN 3/16 INCH THICK UNDERLAY.ON TOP OF THAT , HE NAILED DOWN 4/14 INCH THICK HARDWOOD FLOORING.hAW THICK WAS THE RESULT? asked by NICOLETA 80. physics A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find: a.the angle between the light asked by Help please 81. math 7 grade Mr. olsen has classified the charities to which he gives money to into 3 different groups. Each charity in the 1st. group will get$1 . Each charity in the 2 nd. group will get 9 times as much or $9 . Each in the 3 rd. will get 9 times as much as each in asked by Bob 82. math 9/20 how do I multiply & simplity asked by keith 83. Algebra 1 The larger of two consecutive integers is 7 greater than twice the smaller. Find the integers. A) 4,5 B) -8,-9 C) -5,-6 asked by Monica 84. math 7 grade x is defined as one more than the number of digits in the number x . For example , 1000 = 5. For what value of x wil x = x ? asked by Bob 85. chemistry 1. Compare the effects of adding the strong acid & base to the pH of water vs. the acetate and phosphate buffers. asked by hi 86. Algebra 1 A girl scout troop sold cookies. If the girls sold 5 more boxes the second week than they did the first, and if they doubled the sales of the second week for the third week to sell a total of 431 boxes of cookies, how many did they sell each week? asked by Monica 87. BC Calculus Use linear approximation to estimate sec^2(pi/4 + .025) Need help quickly please!! :) asked by Jake 88. eco365 Write a paper of no more than 1,750 words analyzing the current market conditions of the organization or industry you selected. Address the following topics: • Market structure • Effect of new companies entering the market • Prices • Technology • asked by Anonymous 89. Algebra (Graphing Functions) Consider the following function. f(x) = −3x if x < −2 x2 if −2 ≤ x < 2 −3 if x ≥ 2 Please help me find the intervals on which f is increasing, is decreasing, or is constant(in interval notation). As well as the x and y intercepts for the graph. asked by John 90. Calculus A baseball diamond is a 90 foot square with the pitcher's mound at the square's center. A runner races for home at 25 ft/sec. How fast is his distance from the pitcher changing as he crosses the plate? asked by John 91. 5th grade math word problems Frank saved 50% by purchasing his airline ticket early. His wife paid full price. If their total was$294 how much was Franks's ticket only? Can someone please explain this to me in 5th grade terms.

if we need 5 oranges to make 3 small glasses of orange juice, how many small glasses of juice can we make with 100 oranges? please explain how to get the answer in terms i can understand

93. Physics

Consider a human femur of length L = 469 mm. Model the bone as a hollow cylinder, with inner radius Ra = 4.17 mm and outer radius Rb = 12.51 mm. If a 74 kg person's weight is supported by one leg, calculate the stress on the femur; express as percentage of

94. ap stats-- probability

over a 5 year period of time, 80% of winter days in Philadelphia had an average temperature above freezing. 20% of those days had precipitation. Of the days with an average temperature below freezing, 15% had precipitation. A winter day is chosen at

95. math

Is 3.274 greater than less than or equal to 3.27?

96. math

List in order from greatest to least. 3.277 3.274 3.27 I do not know how to put those in order?

97. Dilations

1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (-1,2) and (3,-3). a. (2,4) and (6,6) b. (2,4) and (6,6) c. (-2,4) and (6,-6) d. (2,-1) and (-3,3) 2. Given a scale factor of 1/2, find the coordinates

98. physics

State the surface powers required to produce the following lenses with +6.25D front curves. a. -0.50 DS b. +0.50 DS c. +1.75 DS

99. chemistry

3. What volume of 0.18M Na2CO3 would neutralize 25ml of the HCL solution?

100. Liberal Arts Mathematics

Could you show me the steps on how to figure out the (h,k) radius?

206. drafting

how to take 5/16 and make a 1/4 scale on paper

207. math

how do i calculate these ratios 5,474 to 1,850 but the total is 7,324 do i need to do anything with the total or is it right??????

208. math

Ann makes 4 signs in 1 and 1/4 hours and if he worked 6 2/8 hours how many signs can he make?

209. Pre-Cal/Trig

Explain how to solve the following question. Surveying: From a point A hat is 10 meters above level ground, the angle of elevation of the top of a building is 42 degrees and the angle of depression of the base of the building is 8 degrees. Approximate the

210. Chemistry

#26 The Ksp of lead(II) carbonate, PbCO3, is 7.40 × 10-14. Calculate the solubility of this compound in g/L.

211. Chemistry

#25 The Ksp of nickel(II) hydroxide, Ni(OH)2, is 5.84 × 10-16. Calculate the molar solubility of this compound.

212. Chemistry

#24 At a certain temperature, the solubility of strontium arsenate, Sr3(AsO4)2, is 0.0660 g/L. What is the Ksp of this salt at this temperature?

213. Math

There are 10 tennis balls, 2 soccer balls, and 8 basketballs. What fraction in simplest form are tennis balls?

214. Chemistry

#23 At 25 °C only 0.0800 mol of the generic salt AB3 is soluble in 1.00 L of water. What is the Ksp of the salt at 25 °C?

215. Physics

A 4.3 g dart is fired into a block of wood with a mass of 22.6 g. The wood block is initially at rest on a 1.4 m tall post. After the collision, the wood block and dart land 3.1 m from the base of the post. Find the initial speed of the dart.

216. math %

I loaned Johnnie $5000.00 to be repaid$250.00 monthly loan past due nothing was every paid / interest rate is 10% what does johnnie owe me loaned year 2010 now it is Oct 2012?

217. Math

How much larger is the 6 in 657,879,004 than the 6 in 789,456,234?

218. math

what did the sardine say when a submarine went buy

219. Social studies

Do only girls have sleepover party (pajama party)in the USA?

220. Math

Ned caught 1/3 pound of fish. Sarah caught 5/12 pound of fish . Jessica caught 1/6 pound of fish. How much fish did all three of them catch?

221. science(word definitions)

whats the difference between the words dominant and recessive

222. Physics

The coefficient of kinetic friction for a 34.3 kg bobsleigh on a track is 0.150. What external force is required to push it down a 5.60° incline and achieve a speed of 60.12 km/h at the end of 75.2m ?

223. Science

I need help with coming up a hypothesis for and Organic Compound lab! Anyone have an idea?

224. Chemistry

a certain first order decomposition reaction has a half-life of 15.0 minutes. What is the rate constant for this reaction? what is the time it will take for the reaction to reach the 10% completion point?

225. Math

What is the "pre-image" of a function?

226. Math

A board, 32 cm long is cut into three pieces such that the second piece is twice as long as the first and the third is 7 cm longer than the second. Find the length of the shortest piece.

227. Rutgers University

A regional manager visits local fast food franchises and evaluates the speed of the service. if the manager receives her meal within 45 seconds, the server is given a free movie-admission coupon. If it takes more than 45 seconds, the server receives

3p - p = 6

229. science

How tall is the tree if the sun is at a 53° angle above the horizon and the shadow is 8.0 meters long?

230. science

What property of gases allow them to completely fill whatever space they are in?

231. Statistics

a city law-enforcement official has stated that 20% of the items sold by pawn shops within the city have been stole. Ralph has just purchased 4 items from one of the city's pawn shops. Assuming that the official is correct, and for x = the number of

232. English

How do the routines of life help give people their identities?

233. science

where does the water on the outside of a glass cup come from

234. Math

An eastbound train and a westbound train meet each other on parallel tracks heading in opposite directions. The eastbound train travels 12 miles per hour faster than the westbound train. After 1.5 hours, they are 174 miles apart. At what speeds are the two

235. math

triangle ABC, with vertices A(2,3), B(4,-4), C(6,8), is reflected across the x-axis to form a triangle A'B'C'. Give the new coordinates for triangle A'B'C'.

where did the water on the outside of a glass come from

237. math 3

the distance between los,angeles,ca and boston .ma is about 3,020 miles. twice a year,Li makes a roundtrip from LA to Boston. how many total miles does Li travel each year for these trips? please solve.

238. Physics

A box weighing 136. N rests on a table. A rope tied to the box runs vertically upward over a massless frictionless pulley and a weight is hung from the other end. What is the force that the table exerts on the box if the weight hanging the other side of

239. math

betsy is making a flay, she can choose three colors from red, white,blue, ang yellow. how many choices does betsey have?

240. Science

Name one feed and feeding system in pig rearing.

241. social studies

what was the purpose for British to seize the hudson river valley

242. calculus

don't understand at all... find the slope of the tangent line to the curve y=xe^x at (1,e)

243. SAT Essay

Assignment: Is there such a thing as success without sacrifice? Plan and write an essay in which you develop your point of view on this issue. Support your position with reasoning and examples taken from your reading, studies, experience, or observations.

1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21

245. Math

A box has 8 blue and 5 green jelly beans. A bag has 6 blue and 8 green jelly beans. A jelly bean is selected at random from the box and placed in the bag. Then a jelly bean is selected at random from the bag. If a green jelly bean is selected from the bag,

246. physics

If the CD rotates clockwise (let's take clockwise rotation as positive) at 500 (revolutions per minute) while the last song is playing, and then spins down to zero angular speed in 2.60 with constant angular acceleration, what is , the angular acceleration

247. science

what force must be applied to the end of a 2.0 meter long crowbar in order to lift a 500 Newton rock if the fulcrum of the bar is 0.5 meters from the rock?

248. Math: Functions and Definitions

What is the "pre-image" of a function?

249. social studies

what were the 3 main effects of the french and indian war

250. government

Is the watchdog function ever exercised in a biased way? How?

251. social studies

why did br station in the colonies after 1773

252. govt

Do you agree with the expansion of technology we are more influenced by the media than ever before? If so, what are the positive and negative ramifications?

253. English

what is correct to use in a sentence pair of orphans or pair of orphan?

An eastbound train and a westbound train meet each other on parallel tracks heading in opposite directions. The eastbound train travels 12 miles per hour faster than the westbound train. After 1.5 hours, they are 174 miles apart. At what speeds are the two

255. Science

Question: The greatest expansion of water occurs when: isn't it when it turns to ice?? The other answers are at 4C it gains temperature or at 4C it loses temperature. In the winter the pipes can break because the water in them freezes that's why I thought

256. math

how to solve identity property,2nd grade

257. Social Studies 8R - HELP!!!

Why do you think some people called Rockefeller a Robber Baron? i really don't know why.....??????? i find him more of a an industrialist please help!!!

Ms. Sue, sorry to keep bugging you with questions, but can you please check my answers? Sorry, I just want to get my answers correct when i turn it in thanks! 8. Four students work to find an estimate for square root 37. Who is closest to finding the true

259. statistics!

The following data represents the body mass index in a random group of twelve diabetic patients in a clinic. 18, 28, 31, 14, 25, 21, 22, 28, 35, 29, 27, 22. What is the z score of the person with the lowest and highest body mass index?

260. MAth

A bOY goes on VacATION with fivE shirts.each day HE used TWO diferent shIRts EACH day. HOW MANy DAYS will IT TAKE him TO USE thE FIVe SHIRTS WITHOUT REPEATINg the pattern

261. physics college

A dog sled is pulled at an angle of 30 degrees with the horizon using a tension of 450N. If the sled has a mass of 50kg, then find the recoil, forward force and acceleration (if any).

262. child care

if a child repeats words over and over

263. Subtracting 3 digit numbers

Jill is going on a trip from chicago to omaha to tulsa.Bill will travel from dallas to omaha.How much farther will jill travel than bill?

264. Ap Chemisty

If .237 mol of ammonia react with 56g of iodine, how much Nitrogen triiodid, in grams, is produced?

265. Science

Fill in the blanks 1. Minerals are classified in many ways, including hardness, streak, and ______ properties. 2. There are some minerals that are valued as _______ because of their hardness, color, and beauty. 3. Non-silicates make up less than 10% of

266. math homewok

There are nine coins on the table , 5 nickels , 3 quarters and 1 dime. Tom , Bill and Drew each pick up three coins. Bill has 25 cent more than Tom. Drew has as much money as Tom and Bill together . What three coins Drew to pick up? my answer: Drew ===)2

267. Algebra 1

Change the math sentence, 25+27+29 greater than or equal to 81, into a verbal phrase using terminology consecutive numbers.

268. Physics- Projectiles

A marlin jumps out of the water with an initial velocity of 5.0 meters per second at an angle of 80 degrees above horizontal. Approximately what maximum height will the marlin reach during it's flight?

269. algebra 1

In 1975, when the United Nations was formed, there were 51 member nations. In 1987, there were 159 member nations. Write an equation that gives the number of nations in the UN, y, in terms of the year, t. Let t=0 correspond to 1945 and assume that

270. Comment

Excuse me, but I really need help on the science question if you could help me that would be nice!

271. Zion Chapel

explain how to find 40x50 usine mental math?

272. math

Calculate the mass percent ({\rm m}/{\rm m}) for the solute in each of the following solutions: 95g of {\rm NaOH} in 365g of {\rm NaOH} solution

273. Math

1.describe the meaning of the number -.1 in the formula, in terms of its meaning in relation to the profit.

274. Tax question

The same filing requirements that apply to individuals determine if a final return must be filed for a person who dies during the year. True or false My answer would be True is it right. If I'm wrong can u explain.

275. Statistics

A physical fitness association is including the mile run in its secondary-school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 460 seconds and a standard deviation of 40 seconds.

276. Chemistry

Convert 29.8 atm into torr I did this 29.8(1/760) and got 22648 but its not going online as correct

277. physics

standing on the ground, you throw a 0.55 kg lunch bag at a friend, you manage to throw the bag straight up (vertically) using 50 J of energy to throw it there is also a crosswind of 0.5 m/s. How high will the bag travel before all of its kinetic energy is

278. Physics

A 69 kg swimmer free-falls off a 10.0 m diving platform. The diver comes to a stop 2.7 m below the water's surface. What is the magnitude of the force exerted by the water on the swimmer. (assume a positive direction is up) I calculated the force on the

279. Physics

A 69 kg swimmer free-falls off a 10.0 m diving platform. The diver comes to a stop 2.7 m below the water's surface. What is the magnitude of the force exerted by the water on the swimmer. (assume a positive direction is up) I calculated the force on the

280. Math

u^2+3u/u^2+2u-3 X u^3-u/u^2-u-2

281. algebra

WRITE THE EQUATION REPRESENTED BY THE MODEL. XXX + + + = XX - - -

282. Algebra

write the following in standard form: slope= 2/3 y- intercept= 3

283. Math

Let d(t) be the shortest distance between Earth and the nearest other planet as a function of time t (where t is in years and t = 0 is noon on January 1, 1000 A.D., say). Is d continuous? Why or why not?

284. College Chemistry

Calculate the heat in joules needed to warm 225g of water from 88.0 degrees Celsius to its boiling point 100.0 degrees Celsius

285. German

I need Some more opinions on my paragraph for an essay of mine. Any help appreciated Mein guten Freunds name ist Meaghan. Sie ist Freundlich Klein Intelligent und Tolerant. Sie hat langes blondes Haar. Sie spricht und liest Spanisch. Ich gehe herumhägen

286. accounting

The following information is available for ABC Company for the year ended December 31, 1997: Ending Inventory …………………………. \$7,500 Purchases …………………………………. 31,000 Transportation-in ………………………….

287. math

how could you use the product of 108 and 4 to find the product of 324 and 4?

288. Math

An airplane flying at a speed of about 100 mph was once overtaken and passed by a flock of sandpipers! Suppose that a flock of these birds can fly at 110 miles per hour with a certain wind and at 90 mph against it. If they fly a certain distance with the

289. ap chemistry help!!!!

Ive been absent from class because of the flu so i don't have a clue how to figure these out! Help! due tomorrow at 12! 1).Suppose that 135 g of ethanol at 23◦C is mixed with 255 g of ethanol at 75◦C at constant atmospheric pressure in a thermally

290. Spelling

Donna's __________ countenance in no way showed her inner nervousness.< Which word best fits this sentence: pensive; peril; renounce; serene; solace; or tranquillity?

291. Spelling

Is the word proclaim a synonym of renounce?