# Questions Asked onSeptember 11, 2013

1. ## Calc BC

Figure out the 35th derivative for xsinx. You have to do a few derivatives by hand to figure our a pattern and then predict the 35th one

2. ## Physics

Why does J/molC equal J/molK?

3. ## Chemistry

A high-protein diet contains 70. g {\rm g} of carbohydrate, 5.0 g {\rm g} of fat. How much energy in kilocalories does this diet provide? round to the nearest tens place

4. ## Language

Identify the choice that best describes the underlined word in the sentence. My friend Jorge can play the guitar and sing. Guitar is underlined. A. Part of a compound subject B. Part of a compound predicate C. A direct object I think it is B...?

5. ## math

The pressure on a scuba diver at sea level is 14.7 pounds per sq inch (psi). The pressure increases 0.445 psi for each foot of depth. Suppose the pressure on a diver is 41.4 psi. How deep is she?

6. ## math

Which equation shows the correct use of power of products property? a) (2x^5y^2)^3 = 6x5y^2 b) (2x^5y^2)^3 = 6x^15y^6 c) (2x^5y^2)^3 = 8x^8y^5 d) (2x^5y^2)^3 = 8x^15y^6

7. ## math

ratio boys to girls 2:7. 250 more girls than boys. how many boys

8. ## Math

Writ two decimals that are equivalent to the given decimal 5.300 3.7 0.9

9. ## AP Chemistry

An unknown amount of water is mixed with 350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 52.5 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in units of M

10. ## math

Earth weight is 5.9736 x 10^24 Kg and Venus is 4.8685 x 10^24 Kg. What is the combined weight of Earth and Venus ? a)10.8421 X 10^26 Kg b)10.8421 x 10^23 Kg c)10.8421 x 10^25 Kg d)1.08421 x 10^25 Kg

11. ## AP Calculus

A projectile fired upward from ground level is to reach a maximum height of 1,600 feet. What is its initial velocity?

12. ## English

Who is the Antagonist in Amy Tan's "A Pair of Tickets"? I know the Protagonist is June May but I couldn't figure out who the antagonist was. Yes, I have read the short story

13. ## Social Studies

Which of these is most likely a feature of a free trade agreement? a. removing tariffs from imported goods. b. raising taxes on exported goods. c. making it illegal to hire workers in other countries. d. providing money directly to local manufacturers. A?

14. ## macroeconomics

Which of the problems in the construction of the CPI might be illustrated by each of the following situations? Substitution Bias, Introduction of New Goods, Unmeasured Quality Change 1. The invention of the iPod 2. The introduction of air bags in cars 3.

15. ## AP Chemistry

Listerine mouthwash is 21.6% ethyl alcohol by volume. What mass of ethanol is contained in 20.0 mL of mouthwash? (The density of ethanol is 0.789 g/mL.) Answer in units of grams

43. ## Physics

A train is traveling down a straight track at 25 m/s when the engineer applies the brakes, resulting in an acceleration of −1.0 m/s2 as long as the train is in motion. How far does the train move during a 50 s time interval starting at the instant the

44. ## physics

Suppose a car is traveling at +22.3 m/s, and the driver sees a traffic light turn red. After 0.351 s has elapsed (the reaction time), the driver applies the brakes, and the car decelerates at 8.00 m/s2. What is the stopping distance of the car, as measured

45. ## earth science

In what layer of the atmosphere do temperatures rise with altitude? A. Troposphere B. Mesosphere C. Mesopause D. Stratosphere is it d ?

46. ## Physics

A model rocket is launched straight upward with an initial speed of 57.0 m/s. It accelerates with a constant upward acceleration of 1.50 m/s2 until its engines stop at an altitude of 190 m. (a) What is the maximum height reached by the rocket? (b) How long

47. ## Physics

A model rocket is launched straight upward with an install speed of 57.6 m/s. it accelerates with a constant upward acceleration of 1.70m/s^2 until its engines stop at an altitude of 240m. A. What is the maximum height reached by the rocket? The

48. ## chemistry

A gas has a density of 5.56 g/L. a. What volume in milliliters would 4.17 g of this gas occupy? b. What would be the mass in kilograms of 1 m3 of this gas?

49. ## algebra

Paula and Miranda were ask to write an expression to find the total number of shoes in a closet . Let s represent the number of pairs of shoes. Paula wrote s and Miranda wrote 2s. Who is correct ? Explain

50. ## Physics

An alpha particle has a mass of 6.64x10^-27

51. ## language

The rain and clouds made the day feel so dull. Which is most vivid word to replace the word dull ? a) sad b) gray c) dreary d) bland

52. ## math

how do you write 3.08 as a fraction?

53. ## Social Studies

What is one benefit of trade? Prices go up for luxury goods from abroad. People have access to more goods and services. Workers may make goods to be sold in other countries Consumers can choose to buy goods made closer to home Is it the third one?

54. ## Sociology

What social and political factors led to the development of sociology as a distinct academic discipline?

167. ## geography

If a state is outside.the contiguous united states, what does this mean?

168. ## Chemistry

If you are making 230.0 mL of 2.70% (m/m) CuSO45 H2O, how many grams of the solute should you use?

169. ## intergers

what is-4+-13=

170. ## Math

How do you do 40(2/5x)

171. ## math

How do I solve and simplify this equation: 2 = b + b __ _________ __________ b-2 b^2 - 3b +2 2b-2

172. ## langauge

Feeling too self conscious to shout for help Scott decided to let logic resolve his quandary. what does the word quandary mean in the sentence ? a) quarantine b) explanation c) predicament d) situation

173. ## Math

For y=2x +3 whenx=4, what does y equal?

4/7*7/8?

175. ## Math

How do you do these questions, I have all my steps until the last one: 2x(2x)^2: 2x(4x^2)? Now do I multiply or add the big numbers? also Im having trouble on these: 1. x^2(xy)^3: x2(x^3y^3) 2. 3x^2(2x)^3: 3x^2 (8x^3) 3. -2x^2y(3xy^2)^2 4. -(3x)^2:

176. ## Math

Barbara had $123.54 in her checking account. she made a deposit of$45.62. when she went shopping later that day, she saw a coat she really wanted. it was on sale for 40% off the original price of \$240. Assuming that she bought nothing else that day, does

4^x-1=64

178. ## Math

dy/dx= ? if y=1+x+(x^2/2)+(x^3/6)+(x^4/24)+(x^5/120)+(x^6/720)+(x^7/5040).....

179. ## QM

If you Fourier sample the state: 1/2√2(|000>−|001>+|010>−|011⟩+|100⟩−|101>+|110>−|111>), which of the following states can be the outcome of your measurement? Select all that apply.

180. ## Math

According to Roman numerals chart, 1000 is M. Then what is the Roman numreal for 10,000 and 100,000, etc. I mean the bigger numbers...

181. ## Math

how will i solve if there is 2 variables? (Subtraction of RationalAlgebraic Expressions) 5 - xy 14 + 8xy ------- - -------- = ? 9z 9z

182. ## Creative Expression and Play

Appropraite materials and equipment for outdoor play should contain:

183. ## Math

5x+1/7 -2x-6/4

8(5+30/5)

185. ## math

factorise:- (i). 6-x-2x^2 (ii).4y^2-8y+3 (iii).3m^2+24+36

186. ## math

write the following as decimals 6/15 4 3/8 6 4/11 10 3/4