# Questions Asked onMarch 9, 2016

1. ## Science

Estimate the pH of a solution containing 0.5 L of 0.4 M HClO4 and 0.5 L of 0.2 M NaOH without using a calculator.

2. ## math

Find the restrictions: how to solve problem 1. y = 3- sqrt(2x-8) x => 0 2. y = 9-sqrt(x -2) x =>0

3. ## Pre calc quadratic stuff

Write function about area of rectangle. Height is x+2 and length is 20-2x. Show that fubction fits the definition of a quadratix function. Thenx ;)

9. ## Math

How does [(512)^x * ln(2)]/ln(512) simplify into ((512)^x)/9??

11. ## Physics

Is Gc (32.2 lbmft/lbfs^2) equal to gravity? I think it is, but I'm kinda confused about the whole concept. Could someone explain it to me? Thank you very much.

12. ## Life orientation

Propose six action will you take to address human rights violations of xenophobia in your community

13. ## Math

A rectangular lawn is 16m×40m and has two roads each 5m wide running in the middle of it one parallel to its length and other to breadth . find the cost of constructing the roads at the rate of =80 rupees per square metre

14. ## Science

Is Gc (32.2 lbmft/lbfs^2) equal to gravity? I think it is, but I'm kinda confused about the whole concept. Could someone explain it to me? Thank you very much.

65. ## MATH MRS. SUE/STEVE

Find the next three terms in the sequen 1. 30, 22, 14, 6... -3, -12, -21 -1, -8, -15 -1, -2, 3 -2, -10, -18**** 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this

66. ## physics

a ball of 100g is thrown vertically upwards with an initial speed of 150km/h, calculate the time taken to return to the thrower

67. ## life orientation

6 practical actions that i can take tio address human rights violations of xenophobia in my community

68. ## MATH URGENT ASAP

Find the next three terms in the sequen 1. 30, 22, 14, 6... -3, -12, -21 -1, -8, -15 -1, -2, 3 -2, -10, -18**** 4. Find the first four terms of the sequence represented by the expression. 4. 3n+5 5,8,11,14 8,11,14,17 3,6,9,12 0,8,11,14 (idk about this

69. ## physics

A 50 kg sign is hanging from the ceiling .calculate the tension in the ropes?30 degree and 20 degree

70. ## computers

Of the following individuals, who was the most recent to develop information searching tools online? (Points : 1) Otlet Wells Bush Brin

71. ## Language

Does a lyric poem tells a complex story or is short and musical? I think it tells a complex story

72. ## math

sid went to play in the nearby park. on reaching the park,he saw that were a total of 14 bicycles and tricycles. if the total number of wheels was 32, how many tricycles were there ?

73. ## L.o

propose 6 practical actions that you can take take address human right violations of xenophobia in your community

74. ## Science. (I'm patient, no rush)

Which of the following sets of words can be used to describe the outputs of photosynthesis? A. water, glucose, light energy B. Carbon dioxide, glucose, chemical energy C. oxygen, glucose, chemical energy D. glucose, oxygen, light energy*** Am I correct?

75. ## Language

1. Which function and corresponding and Mark match the following sentence ? Go get the paper towels from under the sink A. Interrogative (?) B. Exclamatory (!) C. Imperative (. Or !) D. Declarative ( . )•• 2. Which sentence below contains a dependant

99. ## Maths

Find the volume of a cuboid whose base area is 10metercube and height is 6meter

156. ## math

Mr.Jacobs budgeted $1,200 for tiles.His sketch of the floor requires him to use 38 white tiles.Each white tile costs$12.Write and solve an inequality to find the maximum amount he can spend on brown tiles.

157. ## Math

One day, Jasmine and her friends had lunch while sitting at tables of 13. Another day, they had lunch at tables of 5. What is the smallest number of people that could be in the group?

158. ## Math

Look for a pattern and find the next two numbers in the sequence and then write a general version of the nth term. 1 2 3 4 5 6 7 8 n 18 30 42 54 66 78 I can recognize the pattern as being + 12 so under 7 my answer would be 90 and under 8 my answer would be

159. ## English

What does the following hyperbole from Orpheus and Eurydice accomplish? "How could he live without his wife, the other half of his soul?" a. It emphasizes the strength of Orpheus's love for his wife.*** b. It shows the Greek view of married people being

160. ## math

you purchase 2.4 meter of nylon cord to make 8 friendship bracelets. how many centimeters are in each -0.3 cm -3 cm -7.2 cm~~~~~ -30 cm

161. ## Math

What are 2 ways to arrange 300 chairs so that there are the same number of chairs in each row?

178. ## chemistry

2. The voltage of an electrochemical cell depends on the redox reaction occurring in the cell. Given a redox reaction below: Zn(s) + Pb2+(aq) --> Zn2+(aq) + Pb(s) Pb2+(aq) + 2 e--->Pb(s)Eº = -0.13V Zn2+(aq) + 2 e--->Zn(s)Eº = -0.76V Calculate the E.M.F

179. ## chemistry

3. For the reaction between Cu and Sn the potentials are given below; Cu2+(aq) +2e- -----------> Cu(s) Eºcathode = 0.34 (half-cell potential) Sn(s) -----------> Sn2+(aq) + 2 e- Eºanode = - 0.14 (half-cell potential)

180. ## chemistry

3. For the reaction between Cu and Sn the potentials are given below; Cu2+(aq) +2e- -----------> Cu(s) Eºcathode = 0.34 (half-cell potential) Sn(s) -----------> Sn2+(aq) + 2 e- Eºanode = - 0.14 (half-cell potential) Calculate the E.M.F (Voltage) of the

181. ## English

Read the following passage from the Odyssey: Square in your ship's path are Sirens, crying beauty to bewitch men coasting by; woe to the innocent who hears that sound! He will not see his lady nor his children in joy, crowding about him, home from sea; the

182. ## chemistry

6. Given the equation below, how many moles of each reactant were there if 13.7 moles of N2(g) is produced? 4NH3(g) + 6NO(g)→5N2(g) + 6H2O(g)

183. ## chemistry

Given the equation below, if 3.87×1023 particles of Sb2S3(s) are reacted with excess Fe(s), what mass of FeS(s) is produced? Sb2S3(s) + 3Fe(s)→2Sb(s) +3FeS(s)

184. ## chemistry

Given the following Unknown atoms with their respective atomic numbers, X; Atomic number 19, Y; Atomic number 15, a. Deduce the identities of the elements X and Y. b. What are the mass numbers of the two elements X and Y? c. Calculate the number of

185. ## Math

Write a story problem to represent six divide by 1/5

186. ## English

Which of the following is an important theme throughout the Odyssey? a. hospitality b. royalty c. forgiveness*** d. innocence

187. ## Algebra

Factor 3g squared - 7g +2

188. ## 7th grade math- fast help

A triangle has measures of 90°, 40° and x degrees. What is the measure of x?

189. ## CALC HELP!

Find an equation of the tangent line to the graph of y= x+ (4/x) at the point (4,5). I can't figure out the answer to this. It's supposed to be y=3/4x +2 but I can't get that.

Edna baked cookies. She ate 1/5 of the cookies and gave 1/3 of the cookies to Patty. What fraction of Edna's cookies are left?

191. ## English

Read Capulet’s speech from Act IV, scene 2 , as he plans for the wedding: Tush , I will stir about , And all things shall be well , I warrant thee , wife: Go thou to Juliet , help to deck up her; I’ll not to bed to- night ; let me alone; I’ll play

192. ## Algebra

Factor 10w squared minus 19 minus 15

193. ## math

The race was around a circular track for twenty-two laps.Calculate the number of radians a racer would travel from start to finish

how much blue paint should a store mix with 17 quarts of yellow paint to make glowing green paint

195. ## Math

Of the recent customers at Burger Haven, 12 wanted cheese on their burgers and 2 did not. Considering this data, how many of the next 7 customers would you expect to want cheese?

196. ## Biology

The Hershey-Chase experiment proved that DNA was the hereditary material because a- radioactive phosphorus in viral proteins was shown not to enter bacterial cells. b- radioactive phosphorus in viral DNA was shown to enter bacterial cells. c- radioactive

197. ## math

what ration is equivalent 14/15

198. ## Math

Eric's notebook has 30 pages he wants to number all the pages beginning with 1 how many digits will he write when he writes in his notebook

199. ## math

A purple-and-blue spinner landed on purple on 6 out of 12 spins. Based on experimental probability, how many of the next 20 spins would you expect to land on purple?

ninety days after the date stated aboeve, the undersigned promise to pay to the order of Mark Gutierrez, the principal sum of ten thousand five hundred pesos at 12% per annum payable at bank of pilipinas, manila

201. ## English

Read the following passage about Odysseus from Part 2 of the Odyssey: Now, being a man, I could not help consenting. So I went down to the sea beach and the ship, where I found all my other men on board, (120) weeping, in despair along the benches.

202. ## MATH OPEN RESPONSE

some years ago, Marcus planted a 7-foot tree in his front yard. The tree grew 3 feet each year. Now the tree is four times the original height. How many years ago did Marcus plant the tree?

203. ## history

what are the advantages of living in new france while being a fur trader, explorer or a new france artisan?

204. ## chemistry

a chemist dissolves kcl in water at constant temperature until no more kcl dissolves, how would you most accurately classify this solution, dilute, saturated, unsaturated or supersaturated?

205. ## Science

if a car travels once around a 100-meter racetrack what is its displacement

206. ## math

7 over x + 8 equals 6/2 x solve for x show work and how can I get some help with this question results now

207. ## English

In the Odyssey, which personality trait does Odysseus reveal when he ventures into the Cyclops's cave? a. humility b. diligence c. recklessness*** d. ungratefulness

208. ## English

Read the following passage from the Odyssey: "There's our sign! I know not more. Could someone else's hand have sawn that trunk and dragged the frame away?" Their secret! as she heard it told, her knees grew tremulous and weak, her heart failed her. With

209. ## math

Below is a function the represents the sales for tickets to battle of the Bands Phoenix Music Festival. Student council needs students to buy ticket early in order to book a venue. In order to do this they made a piece scale as follows, where x is the days

210. ## Math

A Gentoo penguin can swim at a rate of 17 mph. How many miles can a penguin swim in four hours? Use the expression RT, where R represents rate and T represents time.

211. ## math

Bridget surveyed some students at her school about their favorite classes. Of the students surveyed, 3 said Spanish was their favorite class, while 9 of the students had other favorite classes. If Bridget surveys 8 more students, how many of them should

212. ## math

If the markup on an oven is 200% based on cost, what is the corresponding percent markup based on selling price? Round percents to the nearest tenth of a percent. Do not enter the percent symbol in your answer.

213. ## Chemistry

What chemical occurs to the red cabbage red for acids and blue for bases.

214. ## Math

Q is 80km from p. r is 100km from q an a bearing of 066° . Angle pqr equals 054° Calculate the bearing of p from q The distance pr correct to 2 d.p The measurement of angle qpr to the nearest degree.

215. ## chemistry

What mass of K2HPO4 must be added to 1 L of .1 M K3PO4 to prepare a buffer solution with a pH of 10.8? Answer in units of grams.

216. ## Chemistry

Calculate the mass of the deuteron given that the first line in the Lyman series of H lies at 82259.08 cm-1 whereas that of D lies at 82281.476 cm-1. Calculate the ratio of ionization energies of H and D.

217. ## Math

The sum of three positive number is 30. The first plus twice the second plus three times the third add up to 60. Select the numbers so that the product of all three is as large as possilbe.

218. ## Chemistry

The Li2+ ion is hydrogenic and has a Lyman series at 740747 cm-1, 877924 cm-1, 925933 cm-1,and beyond. Show that the energy levels are of the form –hcR/n^2 and find the value of R for this ion. Go on and predict the wavenumbers of the two longest

219. ## precalculus

In the process of polynomial​ division, ​(Divisor)(Quotient)plus+​_______equals=​_______.

220. ## math

The length of a rectangle is four more than five times its width. Its perimeter is 92 inches. Find its dimensions​ length and​ width.

221. ## Math

How to solve this problem? Here is what I have done so far. question --> 12(1/2)% x (1/2)/(3/4) First i solved the fractions (1/2) x (4/3) =4/6 I changed the 12(1/2)% into a decimal by solving 1/2, which is .5 which equals to 12.5 Answer is 1/12 but I have

222. ## English

true or false: Shakespeare followed the Elizabethan structure of a four act play. A) True B) False***

223. ## Chemistry

Calculate the weight % of HOAc in pure Vinegar?

224. ## chemistry

What is the concentration oh hydrogen ions in a solution containing .676 M HOCN and .413 M NaOCN? The ionization constant of cyanic acid is 3.5 x 10^-4. Answer in units of M.

225. ## Math

A letter is chosen randomly from the 26 letters in the alphabet. Find the probability of choosing a consonant.

226. ## science

what is isotopes

227. ## Math

Find the function rule x -2 -1 0 1 2 Y 9 4 -1 -6 -11

228. ## Math

Use the function rule to complete the table. -10x + y = 4 X -2 -1 0 1 2 Y * * * * *

229. ## math

A standard deck of playing cards had 52 cards. These cards are divided into four 13 card suits: diamonds, hearts, clubs, and spades. Find the probability of drawing a heart or a club at random from a deck of shuffled cards.

230. ## math

A 97​-cm board is cut into two pieces. If one piece is 35 cm shorter than the​ other, how long are the two​ pieces?

231. ## physics

A charge q1 = 5 nC is located at the origin of xy copedinate system, and a charge of q2 = -2 nC is located on the y-axis at y =.30m. Find the components of the electric field and its magnitude and direction at a point P with coordinates (.40m, .30m).

232. ## math

In a Garden one fourth of the plants are peppers of the pepper plants one-third are yellow peppers what fraction of the plants are yellow peppers

233. ## math

In Scrabble, 2 of the 100 tiles are blank. Find the probability of drawing a blank tile from an entire set of Scrabble tiles. Write your answer as a fraction, as a decimal, and as a percent.

234. ## Math

Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? Why? I really don't understand this. Can someone explain it to me?

235. ## chemistry

Given the equation below, if 3.87×1023 particles of Sb2S3(s) are reacted with excess Fe(s), what mass of FeS(s) is produced? Sb2S3(s) + 3Fe(s)→2Sb(s) +3FeS(s)

236. ## general question

What are 3 pros and 3 cons for technology in children's classrooms? I really cant think of any other than that there aren't much computers in the classrooms(maybe like 1 or 2)

237. ## c

The voltage of an electrochemical cell depends on the redox reaction occurring in the cell. Given a redox reaction below: Zn(s) + Pb2+(aq) --> Zn2+(aq) + Pb(s) Pb2+(aq) + 2 e--->Pb(s)Eº = -0.13V Zn2+(aq) + 2 e--->Zn(s)Eº = -0.76V Calculate the E.M.F

238. ## chemistry

The voltage of an electrochemical cell depends on the redox reaction occurring in the cell. Given a redox reaction below: Zn(s) + Pb2+(aq) --> Zn2+(aq) + Pb(s) Pb2+(aq) + 2 e--->Pb(s)Eº = -0.13V Zn2+(aq) + 2 e--->Zn(s)Eº = -0.76V Calculate the E.M.F

239. ## Math

Write a real- world problem that can be solved by writing and solving the equation 3 + 10 = X +3.

240. ## math

A new shoe comes in two colors, black or red, and in sizes from 5 to 12, including half sizes. If a pair of the shoes is chosen at random for a store display, what is the probability it will be red and size 9 or larger?

241. ## math

A ski resort has 3 chair lifts, each with access to 6 ski trails. Explain how you can find the number of possible outcomes when choosing a chair lift and a ski trail without making a list, a tree diagram, or table.

242. ## Math

Ben rolls two number cubes. What is the probability that the sum of the numbers he rolls is less than 6

243. ## Science

Hi. Could you Please check my answers? I just want to make sure they are correct. Thanks for the help in advance :). True or false: All matter on Earth contains energy- true? True or false: the molecules in frozen water are in motion- true? True or false:

244. ## English

1. Try to remember these tips. 2. Try to remember these peices of advice. 3. Try to remember the pieces of advice. 4. Try to remember these advices. 5. Try to remember these advice. ======================= Are #4 and #5 grammatical? What is similar to #1?

245. ## math

in triangle GHI, GH is 3 inches and GHI measures 30 degrees.How many unique triangles meet these requirements

246. ## math

lim f(x) xcubed - 8/ xsquared -5x+8 x --2

247. ## Math

Molly uses 192 beads to make a bracelet and a necklace.it takes 5 times as many beads to make a necklace than it does to make a bracelet .how many beads it takes to make the necklace ?

248. ## Science chemistry

An excces of sulfur dioxide was reacted with 0.150 g of oxigen gas. A mass of 0.725 g of sulfur trioxide was recovered

249. ## Algebra 1

Algebra 1 word problems help please 1. Madison is making a vinaigrette for her catering service using olive oil that costs 50 cents per ounce and apple cider vinegar that costs 35 cents an ounce.The ideal batch of vinaigrette has 25% vinegar.If she has

250. ## Math

Convert 9 pounds 6 ounces into Kg.

251. ## Physics

5. A grating with 400 lines per mm is illuminated with light of wavelength 600.0 nm. (a) Determine the angle at which the maxima are observed (b) Determine the largest order (n) that can be seen with this grating and this wavelength.

252. ## Intro to Chemistry

A 9.40-L container holds a mixture of two gases at 47 °C. The partial pressures of gas A and gas B, respectively, are 0.344 atm and 0.520 atm. If 0.160 mol of a third gas is added with no change in volume or temperature, what will the total pressure

253. ## chemistry

how many grams of Zn metal would you use to prepare 6.8g of zinc chloride according the reaction: Zn(s)+2HCl(aq)-> ZnCl2(aq)+H2(g)

254. ## science

what is the number of cycles an oscillator completes in one second is known? what is a force that always acts to pull a system back toward its equilibrium position? what is the distance from one point on a wave to the same point in the next cycle of the

255. ## chemistry

how many grams of Zn metal would you use to prepare 6.8g of zinc chloride according the reaction: Zn(s)+2HCl(aq)-> ZnCl2(aq)+H2(g)

256. ## Chemistry

If I was designing an experiment where hydrogen gas was collected over a 0.1 M aqueous HCl solution from the reaction with zinc metal and I assume complete, rapid reaction, what mass of zinc would be used to collect between 50 and 100 mL of the gas? Note:

257. ## Math

A basketball team recently scored a total of 92 points on a combination of​ 2-point field​ goals, 3-point field​ goals, and​ 1-point foul shots.​ Altogether, the team made 51 baskets and 22 more​ 2-pointers than foul shots. How many shots of

258. ## Art

Over time, abstract art has become a recognized and valued part of art history. This is an example of. Deterioration of artistic standards. Changes in artistic style over time. Different interpretation of what makes good art. (MY ANSWER) The way fads come

259. ## Geometry

What is the area of a rhombus with a 45 degree angle and sides of 10ft.?

260. ## Art

A golden pendant from an ancient world was once used to drive away evil sprits. This pendant is found by treasure hunter thousands of years later, who sells the object to the highest bidder. This chain of events is an example of? How the value of an

261. ## science

what is partially hydrogenated soybean oil and how is it made

How does increasing the size of an object affect it's volume to surface area ratio? I don't understand please explain it?

263. ## Math

A farmer has some rabbits and some cages. When he puts two rabbits in each cage, there are two rabbits Left over.When he puts 3 rabbits in each cage, there are 16 extra cages, but no rabbits left over. How many rabbits and how many cages? (Write an