# Questions Asked onDecember 4, 2011

1. ## Chemistry

1)How many protons and electrons are in a sulfate ion SO4^2- ? I know the answer is 48 protons and 50 electrons but i do not know how to get this from the ion. 2) What is the charge on a sulfide ion? The answer is -2 but im not sure why. Is sulfide always

2. ## Alg2

How many ways can six different books be arranged on a shelf if one of the books is a dictionary and it must be on an end?

3. ## chemistry

Write a net ionic equation to show that ascorbic acid, H2C6H6O6, behaves as an acid in water. Consider only its first ionization

In general, the air temperature decreases 12F for every 4000 feet increase in altitude. If a hiker climbs 3000 feet, by how much can she expect the temperature to decrease?

5. ## physics

I do not understand the answer that was given to me on a post dated Nov. 23. Please help explain my questions that appear at the end of this post. Bart ------------------- Posted by Bart on Wednesday, November 23, 2011 at 6:52am. A baseball is hit with a

6. ## math

A factory produces bicycles at a rate of 80+0.3t^2−1.1t bicycles per week (t in weeks). How many bicycles were produced from day 15 to 21?

7. ## AP Chemistry

The solubility of solid Ce(IO3)3 in a 0.20 M KIO3 solution is 4.4 10-8 mol/L. Calculate Ksp.

8. ## Physics

A bowling ball of mass M and radius R is thrown along a level surface so that initially ( t= 0) it slides with a linear speed but does not rotate, see the figure. As it slides, it begins to spin, and eventually rolls without slipping. How far has the ball

9. ## biology

Ectothermic organisms have body temperatures that vary with the temperature of their surroundings. Discuss the effect this variation might have on the functioning of enzymes in these organisms. Suggest some ways ectothermic organisms might cope with this

10. ## calculus

1. A rectangle has a constant area of 200 square meters and its length L is increasing at the rate of 4 meters per second. a. Find the width W at the instant the width is decreasing at the rate of .4 meters per second. b. At what rate is the diagonal D of

11. ## chemistry

One of the steps in the Ostwald process for the production of nitric acid involves oxidation of ammonia. 4NH3 (aq) + 5O2 (g) 4NO (g) + 6H2O (g), Delta H= -905kJ a) State the reaction conditions that favour the production of nitrogen monoxide. b) A

12. ## algebra

three times a first number decreased by a second number is 25. the first number increased by four times the second number is -22. find the numbers

13. ## US history HELP

Which of the following statements is true? a. Political parties are unimportant in the organization of the U.S. Congress. b. Party-line voting rarely occurs in Congress. c. Party-line voting has increased in recent years. d. Partisanship makes virtually no

14. ## Physics

The mass of a certain neutron star is 5 × 10^30kg (2.5 solar masses) and its radius is 2000 m. What is the acceleration of gravity at the surface of this condensed, burned-out star? The value of the universal gravitational constant is 6.67 ×

15. ## Alg2

Help w/Word Prob: LAW ENFORCEMENT A police accident investigator can use the formula s=2√5l to estimate the speed=s of a car in miles per hour based on the length=l in feet of the skid marks it left. How fast was a car traveling that left skid marks 120

16. ## calculus

1. Let y = f(x) be the continuous function that satisfies the equation x^4-5x^2y^2+4y^4=0 and whose graph contains the points (2, 1) and (-2, -2). Let l be the line tangent to the graph of f at x = 2. a. Find an expression for y’ b. Write an equation for

17. ## physic

A hockey player strikes a puck that is initially at rest. The force exerted by the stick on the puck is 950 N, and the stick is in contact with the puck for 4.4 ms (0.0044 s). (a) Find the impulse imparted by the stick to the puck. (b) What is the speed of

18. ## physics

the momentum of 900kg car initially moving north at 10m/s increases by 10,800. calculate the final velocity of the car.

19. ## mastering physics

A square frame is made from four thin rods, each of length and mass Calculate its rotational inertia about the three axes shown in the figure

20. ## Physics

A 650 N student stands on a scale in an elevator. As the elevator starts to move, the scale reads 780 N. a. Find tha acceleration. b. Is the elevator going up or down?

21. ## Math Probability

A lottery game has balls numbered from 0 - 9 If a ball is selected at random, what is the probability of selecting an even numbered ball or a 5 ? I am guessing this is Mutually exclusive event and hence used the OR= P(A)+P(B) concept considering 0 as an

22. ## chemistry

Calculate the volume of natural gas (methane) required to bring 2.6 L of water to a boil. Assume the initial temperature of the water is 21 C, and the methane is at 1 bar and 25 C. Assume that methane is an ideal gas, the specific heat capacity of water to

if a person is 6 feet tall and casts a 9 foot shadow, how tall would the shadow of a 100 foot tall tree be?

24. ## AP Chem

The Ksp for silver sulfate (Ag2SO4) is 1.2 10-5. Calculate the solubility of silver sulfate in each of the following. 0.30 M K2SO4

25. ## physics

Water flows through a horizontal tube of diameter 2.9cm that is joined to a second horizontal tube of diameter 1.5 cm. The pressure difference between the tubes is 7.2 kPa. A)Find the speed of flow in the first tube.

26. ## Physics

What is the energy released in the fusion reaction: 2H+2H--> 4He + Q? How do I calculate this?

27. ## Physics

A child of mass 40 kg stands beside a circular platform of mass 100 kg and radius 1.8 m spinning at 2.6 rad/s. Treat the platform as a disk. The child steps on the rim. a) What is the new angular speed; rad/s b) She then walks to the center and stay there.

28. ## Math

The following table represents the diameter of the cross section of a wire at continuous heights (feet) above the ground. Assume that each cross section is circular. Height(ft) 2 6 10 14 18 22 26 30 Diameter 2 2 2.0 1.8 1.6 1.5 1.3 1.2 (feet) (those should

29. ## Physics

A circular disk of mass 0.3 kg and radius 40 cm, initially not rotating, slips down a thin spindle onto a turntable (disk) of mass 1.7 kg and the same radius, rotating freely at 3.1 rad/s. a) Find the new angular velocity of the combination; A circular

30. ## Finance

A court has ordered Security Enterprises to pay 200000 in two years and 500000 in five years. In order to meet this important liability, they wish to invest in a combination of two-year 10% par-value bonds with annual coupons and five-year zero-coupon

118. ## chemistry

a metal crystallizes in the face centred cubic cubic crustal structure with a unit cell edge of 5.48 x10 power of -8 cm.the density of the metal is 6.90g per cubic cm. a. what is the mass in grams, of a single atom of this element. b. what is the atomic

119. ## chemistry

The electrochemical cell described by the balanced chemical equation has a standard emf (electromotive force) of -4.05 V. Calculate the maximum electrical work (kJ) the cell has done if 6.8500 mol of F2(g) (Molar Mass - 38.00 g/mol) forms. Round your

120. ## math

a company sells snack-size boxes of raisins with dimensions 5 in. by 2.5 in. by 1.5 in., each weighing 2 oz. They want to make a family-size box that would be 7.5 in. by 3.75 in. by 2.25 in. What would be the weight of the family-size box of raisins?

121. ## trig

We are doing trig identities in school. I need help with these five: 1.1+sinx/1-sinx=cscx+1/cscx-1 2.tanx+sinx/1+cosx=tanx 3.sec^2x/sin^2x=1/sin^2x+1/cos^2x 4.tan^2x/1+tan^2x=1-cos^2x 5.sinx-sin^3x/cos^3x=tanx

122. ## physics

a rod supports a 2.35 kg lamp. a)what is the magnitude of the tension in the rod? b)calculate the components of the force that the bracket exerts on the rod.

123. ## physics

Consider two cars, one a compact model (m = 781 kg) and the other an SUV (m = 2483 kg). The SUV is traveling at 15 m/s, while the compact car is traveling at an unknown speed v. If the two cars have the same momentum, what is v?

124. ## world history

What were some political changes and continuities in western europe between 600-1750

125. ## calculus

Being some distance from a mountain a man looks up at a 9 degree angle to see the top of the moutain. he then moves 13 miles away from the mountains at looks up at a 3.5 degree angle to see the top of the mountain. How tall is the mountain?

126. ## physics

The density of gold is 1.93×104 {\rm{kg/m}}^{\rm{3}}. 205 {\rm g} of gold is shaped into a cube. whats the length of an edge

127. ## phyics

Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting container and liquid mixture has a mass of 450 {\rm g}. What volume of alcohol was added to the water? Express your answer using

136. ## chemistry

Assume that the specific heat and density of the resulting solution are equal to those of water [4.18 \rm J/(g \cdot {^\circ C}) and 1.00 \rm g/mL] and that no heat is lost to the calorimeter itself, nor to the surroundings.

137. ## English

Can you tell me if sentence 2 is a mistake? Thank you. I remember going to primary school.. I remember I went to primary school..

138. ## calculus

a light sitting on the ground is shining onto a wall 20 feet away from the light. if a 5 foot person is walking toward the light at 4 ft/sec., how fast is the shadow moving up or down the wall when he is 15 feet from the wall?

139. ## geometry

in a traingle ABC three sides is given 6cm, 5cm and 5.6cm is given, what will be the length of a perpendicular drawn on the side BC with A as vertex

140. ## precalc

Use Sigma Notation to write the sum [10-(1/10)^2]+[10-(2/10)^2]+[10-(3/10)^2]+[10-(4/10)^2]

141. ## chemistry

For which salt in each of the following groups will the solubility depend on pH? Pb(OH)2 PbCl2 could you explain too? thanks!

142. ## Science

Is there any science fair contests I can partcipate??? I found this topic in gr 5th and I really want to use it for my science fair project this year but we don't have it at my school so I want to use it for a contest.

143. ## Economics

If the government announced the economy is headed into an expansionary period of rising real GDP and prices, businesses would most likely respond by: a. lowering wages so that they could afford to hire more workers b. dismantling some of existing

145. ## Stats

a die is rolled three times. find the chance that not all the rolls show 3 or more spots

146. ## Math

I need help with this question, it says to find the instantaneous rate at distance t = 6s with the given graph First of all, it is a linear line, do i need to find the equation of the graph? After finding the equation, i plug in 5.99 and 6.01? and solve ?

147. ## spanish

Could someone please proofread this summary in Spanish on a short story? The English version is also below. Thank you. Spanish: Al principio del cuento, el narrador y su familia de braceros migratorios tenían que mudarse a Fresno porque la cosecha de

148. ## chemistry

Calculate the heat transferred when a 8 g of iron nail is cooled from 50oC to 18oC. The specific heat of iron is 0.45 J/goC.

149. ## geometry

Which composition would produce an image triangle whose area is not equal to the area of the original triangle?

150. ## Pre-algebra

Can you simplify (9x)^-2 = -81x^2

151. ## simple physics

A 1500 kg car travels along the road at 25 m/s when the driver sees the light turn red and applies the brakes. What average force is needed to stop the car in a) 5 seconds and b) .2 seconds? What formula should be used?

152. ## Math

State two types of functions that you know that do not have a maximum or a minimum (unless the domain is restricted to some interval) How to do this?

153. ## Physics

Find the heat that flows in 1 s through a lead brick 18 cm long if the temperature difference between the ends of the brick is 6.8° C. The cross-sectional area of the brick is 14 cm2.

154. ## Physics

A force of 15 N is applied at an angle of 30 degrees with the horizontal on a 0.75 block at rest on a frictionless surface. a. What is the magnitude of the resulting acceleration of the block? b. What is the magnitude of the normal force?

155. ## math

The ratio of the length of a rectangular field to its width is 10:7. If the width of the field is 70 meters, find the perimeter of the field

156. ## algebra

Factor completely. Assume that variables in exponents represent positive integers. x^2a-y^2

157. ## Chemistry

Write the equation for the reaction of mixing 2 ml of 3 M (HO)2SO2 with 9 ml of 0.2 M NaClO4

158. ## cultural antropology

Before colonialism, most colonized people lived in general peace and tranquilit static and unchanging cultures a state of balance with nature constant warfare and violence

159. ## chemistry

Suppose that the following solution is diluted by adding the indicated amount of water. Calculate the new concentration of 225 mL of 3.02 M HCl; 375 mL water added

160. ## math

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. (Round your answer to the nearest cent.) $500 balance, 20% rate,$400

161. ## math/117

Jack usually mowes his lawn in 7 hours. Marilyn can mow the same yard in 4 hours. How musch time would it take for them to mow the lawn together?

162. ## Chemistry

In an esterification reaction, how does one tell when its reached equilibrium? Like what sign could you use to measure the rate at which it gets to equilibrium?

170. ## chemistry

78.7 mL sample of a 4.81 M sucrose solution is diluted to 12.0 mL. What is the molarity of the diluted soluti?

171. ## critical thinking

if we reason from the fact that all A's observed so far are B's to the conclusion that all A's whatsoever are B's, Which kind of induction would we be utilizing? I'm not sure but i think it's disjunctive syllogism.

172. ## algebra

factor completely. remember to look first for a common factor. if a polynomial is prime state this. x^2+2xy+y^2-9

173. ## economics

The current term-structure of spot interest rates for safe zero-coupon bonds is as follows: Maturity, in years Interest rate(r) 1 8% 2 10% 3 11% 4 12% 5 13% There is a safe bond B which has 4 years before maturity and pays a coupon of 12% at regular annual

174. ## Physical Science

How does the mass of all the interstellar matter in our galaxy compare with the total mass of its stars?

175. ## Chemistry

In an esterification reaction, how does one tell when its reached equilibrium? Like what sign could you use to measure the rate at which it gets to equilibrium?

176. ## Stats

A bag contains 7 blue marbles, 18 red marbles, and 16 orange marbles. Find the chance that neither draws are orange.

177. ## Texas Government

In which month are most local elections held in Texas? a. May b. November c. March d. July e. September I am confused between March and November.. half of the articles say march and half say november

178. ## Texas Government

Which of the following are "swing states"? a. Those that may vote Republican or Democratic b. States that joined the Union after 1870 c. Large states d. Small states e. New England A ?

179. ## MATH

Consider a population with and . (A) Calculate the z-score for from a sample of size 13. (B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?

180. ## chemistry

What is the mass pecent of an aqueous sodium hydroxide in which the mole fraction of NaOH is 0.162? The density of the solution is 1.3311 g/ mL

181. ## physics

A railroad car containing explosive material is initially traveling south at a speed of 4.5 m/s on level ground. The total mass of the car plus explosives is 2.9 104 kg. An accidental spark ignites the explosive, and the car breaks into two pieces, which

182. ## Calculus

Calculate the derivative.? d/dx ∫ from √x to x^2 tan9tdt = Use symbolic notation and fractions where needed.

183. ## algebra 1

The difference of two numbers is 5. Three times the larger, decreased by 5 times the smaller is 7. Find the numbers

184. ## math

can you please try to help me understand this? Q:The table below shows a distribution and the observed frequencies of the values of a variable from a simple random sample of a population. Perform a chi-square goodness-of-fit test, at the specified

185. ## Physics

By what distance must two charges of +2 C and +10 C be separated so that the repulsive force between them is 3.70*10^10 N?

186. ## math

Find the general term of the set. {8, 12, 16, 20, 24, . . .}

187. ## English

Hello. I will really appreciate some help. 1)Would you use the article in the sentence "The UN called on Egypt to end (the) violence and bloodshed"? 2)Is it correct to say: a)the British newspaper Daily Mirror; or is it b)the British newspaper The Daily

188. ## math

The ratio of the length of a rectangular field to its width is 10:7. If the width of the field is 70 meters, find the perimeter of the field

189. ## Medical billing

Pt present for suture removal. sutures removed and slight oozing occurs in midsection of wound. wound dressed and pt advised to aply antibaterial cream daily. retn in 4 to 5 days for final check(PF HX/PX SF/MDM...WHAT IS THE OV

190. ## calculus

Use the intermediate value theorem to determine whether or not f(x)=x^2+7x-7 and g(x)=4x+21 intersects on [-4,-1]. If applicable, find the point of intersection on the interval.

191. ## Calculus

If the work required to stretch a spring 1 ft beyond its natural length is 6 ft-lb, how much work is needed to stretch it 6 in. beyond its natural length?

192. ## chemistry

78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?

193. ## Basic Communications

I'm trying to add more details to this paragraph on my assignment: Lastly, Temporary Marriage Licenses are not a good solution to high divorce rates because couples in a boyfriend-girlfriend relationship should look into all the responsibilities that the

194. ## math/117

FOIL (8x^8-9)(x^9-5)

195. ## physics

the final velocity of the car is 22 m/s?

196. ## Texas Government

When you vote in Texas, you are voting by a. county. b. precinct. c. caucus. d. state. e. municipality. I would say county? Correct?

Deminsional analysis 4.25L/h to mL/

198. ## interm. algebra

3e^-5x=48 solve

199. ## math

Q:The table below shows a distribution and the observed frequencies of the values of a variable from a simple random sample of a population. Perform a chi-square goodness-of-fit test, at the specified significance level, to decide whether the distribution

200. ## science

what is the difference between exhaled and inhaled air ( in respect to Molar Mass)?

201. ## Physics

A 500g ball is dropped into a well that is 10m deep. A)What is the ball's potential energy before it is dropped? Take the bottom of the well to be at zero height. I solved by using PE=mgh and came up with 49J. B) What are the kinetic energy and potential

232. ## Pre-calculus

I want to make sure this is right. the inverse of f(x)=(-3x+2)/(2x-1) I got f^-1(x)=(x-2)/(2x-3). if its right how do i check the answer to see if it is right. also would the domain of f be D=all real numbers except 1/2. And I do not know how to get the

Religion plays a big part in people's daily life. The Christian and Catholic religion beliefs going to conformation, regular church services, Sunday school, and other church events. Members may also pray throughout the day at times such as before meals and

234. ## statistics

From the Arizona Department of Weights and Measures: Among 31 inspections sat a NAPA Auto Parts store, 88% failed. X= ?

235. ## the portuguese man of war

How long has the potuguese man of war been around? How long does it live? Does it have a ruler or queen like in an ant colony?

236. ## Rockland Essay Contest

Is there any essay contests in rockland???? My parents want's me to partcipate in one.

237. ## Math

An auditorium has 1600 seats. At a ticket price of \$6, the owners can sell 1200 tickets. For each 25 cent increase in price the tickets sold reduces by 25. What price should the owners set to maximize the income? Income=(6+.25x)(1200-25x) Generalize and

238. ## law

How has the feminist movement influenced criminology? What negative impact has resulted from feminism, if any?

239. ## Math

Revolve the region bounded by y = 4x and y = x^2 about the y-axis. In cubic units, the resulting volume is

240. ## statistics

Can deciles be found on graphing calculators? ti 83

The proportion of Canadians who eat breakfast regularly is 0.9. A simple random sample of 144 Canadians is taken. a. What is the probability that between 0.85 and 0.875 of the sample eat breakfast regularly? b. What is the probability that at least 0.945

242. ## Thermochemistry

A constant pressure calorimeter having a heat capacity of 60.8 kJ/K is used to measure the energy released from burning a compound in excess oxygen to form CO2(g) and H2O(l). If the enthalpy of combustion of the compound is -2914.0 kJ/mol and the

243. ## Talent Search

If you don't do talent search in gr 7th can I still do it in gr 8th???? Ok me and my friend are having a problem like she saying that I can't do it this year which I'm not but she said I can't do it next year. Ok that's unfair I'm going to do very well

244. ## Economics

Do you feel there are any imbalances to our wage structure in our economy? why? give an example

245. ## Calculus

Find the total area bounded by the curves y = x^3 and y = x^5 .

246. ## history

The sector of the American public that is interested in politics and understands how government works is called the __________. A.attentive public B.activists C.lobbyists D.public action members A?

247. ## medical billing

help ...Pt present for suture removal. sutures removed and slight oozing occurs in midsection of wound. wound dressed and pt advised to aply antibaterial cream daily. retn in 4 to 5 days for final check(PF HX/PX SF/MDM...what is the code

248. ## science

what is the difference between science, non-science and psuedoscience?

249. ## language arts

Cleanliness what is it? why practice it? how do you practice it? what would it look like if..... reflections: action plan: plz help!!!!!!!!!!!!!

250. ## Physics

How long would it take a fighter jet to accelerate from 0 to 250m/s if the force from the engine was 180000N and the mass was 10000kg ? please help please

251. ## Pre-Calculus(Help)

Partial Fraction of the Rational Expression: x^2+x+8/x^3+x

252. ## Algebra

Solve the equation: x^-2 -7x^-1 +12 = 0

253. ## spanish

Could someone please read my (corrected) summary in Spanish for grammar and fluidity? The English version appears below for help. Thanks! Spanish: Al principio del cuento, el narrador y su familia de braceros migratorios tenían que mudarse a Fresno porque

254. ## Math

Dale sent Sasha a 2 II2-pound box of candy. Sasha's little sister ate I;4 of the candy. Sasha's pet poodle ate 1/8 of the original amount. Ifno one else has eaten any candy, how much candy does Sasha have left?

255. ## spanish

leemos las lecciones completas de puntos de partida?

256. ## Geometry

A toddler’s playground has two slides on either side. The slide on the left is situated at a 45° angle to the ground and is 68 centimeters away from the base of the playground. The slide on the right is positioned at a 30° angle to the ground and is

257. ## Alg2

I need help with problem solving...

258. ## algebra

This is a project called guess your card. there are 3 people playing and you. We are drawing only numbers from 1 to 9. Each person draws 3 cards and puts them on their foreheads facing out. 1 has a 1,3,7 next person has 3,4,7 and 3rd person has 4,6,8. What

259. ## phi 103

Which of the following may not qualify as a falsifiable claim?

260. ## Physics

How can one find the magnitude and the directions of a resultant if Vector A is 35N @ 60' NE, and Vector B is 50N @ 20' NW?

which expression is equivalent to (n+10)x5

262. ## science

a 500kg remote control car traveled 10 meters down the street in 5 seconds. What is the toy car's momentum?

263. ## Math

Find the arc length of y = x^4 from the origin to (1, 1). Answer in length units, correct to two decimal places, please.

264. ## epidemiology

What are some global health issues related to mexico?

265. ## standard deviations

The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 175 and a variance of 9. The material is considered defective if the breaking strength is less than 166 pounds. What is the probability that a single,

266. ## pre-algebra

explain the following:(a+b)^2 =//a^2 +b^2. Give a numerical example to illistrate this please.

267. ## Medical billing

2nd question, pt present for PO check of head wound Pariental area healed well. RTO prn ( pf hx/px/sf/mdm) what is the code...

268. ## Anthro,psych, and soc

In the movie The Shawshank Redemption how does the prison in the film try to rehabilitate its inmates? Was it sucessful? and provide 3 examples of ways in which the prison (guards) enforce compliance to prison rules, were the enforcemnts necessary or

269. ## Girl Scouts

Is there any girl scouts in rocland, ny?????

270. ## chemistry

78.7 mL sample of a 4.81 M sucrose solution is diluted to 120.0 mL. What is the molarity of the diluted soluti?

271. ## algebra

solve 3^(2x-3)=5*2^(x^2) for x

272. ## English

I urgently need to check sentence number 1. Thank you. 1) She seems like a man, more than her husband, surely. She is more of a man than her husband.

273. ## physics

Calculate the work done in Joules when an athlete of body weight 96 kg bench steps on a bench of height 25 cm for 48 steps. Please present this answer rounded to a whole number without decimal places.

274. ## math

What are all the square roots of 100/9

275. ## English

Could you please check these sentences? Thank you. 1) Humanism spread in the whole country. 2) The English Renaissance developed (spread is possible?) later than its European equivalents. 3)Puritans wanted a balance of power between the king and (the?)

276. ## Bronchitis

Could some please tell me what is bronchitis?

277. ## Government US

Campaign spending tends to be greatly more important a. for challengers and non-incumbents rather than incumbents. b. for Republican candidates. c. for Democratic candidates. d. for candidates in urban areas than for candidates in rural areas. e. for men

278. ## English

I left out 2 sentences. Can you help me check it? Thank you. 1) She is not the complement to her husband,but (?) rather the driving force behind her husband. In spite of the fact that we tried to save him, he died.

279. ## philosophy

What argument Williams offer in defense of a physical criterion of personal identity that Parfit critiques. did whether Parfit succeeds in answering Williams.

280. ## science-biology

. Explain the biological logic of administering anti-Rh antibodies to Rh- mothers immediately after they give birth to an Rh+ baby?

281. ## math equation

you have a score of 97, 100, 98, you must make 360 to get an A what score on the next text will get you an A.

282. ## sciencee

who started bing

283. ## social

I have to write a paper about what/who we think had the greatest impact on western civilization from 2000 BC through the 16th century. What are some possible topics I could write about?

284. ## math

what is diam. if circumference is 32"?? what is volume of a football that is 16" circumference at wides part and 21" circumference on length?

285. ## math

Is f(x)=4x/x-1 in factored form

286. ## physics

thanks for the answer drwls. can you please explain to me, how it happened?

287. ## Physics

If a force of 15.0 N directed east acts on a stationary 5.00 kg mass, what are its acceleration, displacement, and velocity after 10.0 s?

288. ## Math

Multiply (b+1/3)(b+1/5)

289. ## english

How can you have Motivation, Forecast and Orientation in speech intorduction? like show the audience pictures etc?..thanks!

Dimensional analysis 4.25L/h to mL/h

291. ## Alg2

I need more help

292. ## satistics

3.Give the mean for the mean column of the Worksheet. Is this estimate centered about the parameter of interest (the parameter of interest is the answer for the mean in question 2)? Mean 3.50 Standard deviation 1.317 4.Give the mean for the median column

293. ## law

What are the policy implications of social development theories? How have these implications been reflected in actual policy, if at all?

294. ## Math equation

find the slope x+3y=6

295. ## Physics/Science

Why would someone using a Foucault Pendulum at the equator say that Earth does not rotate?

296. ## Math(factoring) plz check

bx - by ANSWER: FACTOR b(x+y)

297. ## organization management

hi, well. i would like to know whether the steps of decision making process and the steps for Rational Making Process are the same thing?

298. ## Pre algebra

-1/3H < or equal to 7 how is it done? I know signs need to be switched but is there any reciprocating the fraction?

299. ## algebra

x^3y^2+512y^2

300. ## Math equation

solve using the addition and multiplication principle 5x+2-4 less than or equal to 13

301. ## Thunderstorms

Can you suffer from memory-loss if you get hit by a lightning bolt?