1. Trig

Find the exact value of tan 5pi/12 using the half-angle identity.

2. Math

Lee Holmes deposited $16,600 in a new savings account at 9% interest compounded semiannually. At the beginning of year 4, Lee deposits an additional$41,600 at 9% interest compounded semiannually. At the end of year 6, what is the balance in Lee’s

3. physics

Two ice skaters have masses m1 and m2 and are initially stationary. Their skates are identical. They push against one another, as in Figure 7.10, and move in opposite directions with different speeds. While they are pushing against each other, any kinetic

4. physics 911

A force ~F = Fx ˆı+Fy ˆ| acts on a particle that undergoes a displacement of ~s = sx ˆı + sy ˆ| where Fx = 10 N, Fy = −1 N, sx = 5 m, and sy = 3 m. Find the work done by the force on the particle. Answer in units of J b) Find the angle between ~F

5. computer

suppose the 640GB western digital hard drive install in the RAID array has failed, find a replacement drive as close to this drive as possible. print three web pages showing the size, features and price of three possible replacement

6. chemistry

How many grams of carbon disulfide,CS2 will form if 0.450 mol of carbon is consumed in a 3C+2SO2=CS2 +2CO2 reaction

7. college algebra

how long will it take an investment of $5000 to grow to$8000 if it is invested at 7.8% per year compounded weekly?

8. CHEMISTRY

AT A CERTAIN TEMPERATURE, THE REACTION CO(g) + 2H2(g) CH3OH (g) has Kc = 0.500 CO= 0.180 M H2= 0.220 M WHAT IS THE CONCENTRATION OF CH3OH?

9. Physics

Relative to the center of the Earth, the position of the Moon can be approximated by (t) = r [cos (ωt) + sin (ωt) ], where r = 3.84 108 m and ω = 2.46 10-6 radians/s. (a) Find the magnitude and direction of the Moon's average velocity between t = 0 and

145. math

What are two equivalent fractions for 3/10 and 7/13 and 15/33?

146. math

pls. help.. The functions f and g satisfy f(x) + g(x) = 3x + 5 f(x) �� g(x) = 5x + 7 for all values of x. Determine the value of 2f(2)g(2).

147. english

what do you call a person who can not function with out a leader

148. math

let w represent the number of words and m represent the number of minutes. Write a rule to show the relationship between w and m. 280 words in 8 mins

149. Physical Science

Why is the viscosity of a liquid important?

150. MAT201

Fluctuation in the prices of precious metals such as gold have been empirically shown to be well approximated by a normal distribution when observed over short interval of time. In May 1995, the daily price of gold (1 troy ounce) was believed to have a

151. Science

In Hadley's cell model warm air rises at the equator and cold air sinks at the poles. Can someone tell me what these 2 questions mean? Surface air flow will be _________. Air flow aloft will be _______. Don't understand those two. Thanks

152. math

What temperature is numerically the same in degrees Celsius and degrees Fahrenheit?

153. algebra

how to work y= -x-4

154. Comp 156

Using the Internet, find two examples of what you consider biased writing about the effect of videogames on children?

155. algebra 2

decribe the end behavior of the graph of the polynomial function.then evaluate the function for x=-4,-3,-2...,4. equation is y=x^4-2x^2-x-1

156. math

what is 27+49%7=

157. chemistry

Mass of tablet is 1.3183g, concentration of HCl 0.1807M, concentration of NaOH 0.1481M, volume of NaOH used 20.36 ml then milimoles of HCl added ?, milimoles of NaOH used ?

I Have a few questions, but I would first like for me to ask 2 questions. 1. What is organizational behavior and the behavior of people in public organization? 2. What are the techniques in management?

159. physics

A 4.63-g bullet is moving horizontally with a velocity of +349 m/s, where the sign + indicates that it is moving to the right (see part a of the drawing). The bullet is approaching two blocks resting on a horizontal frictionless surface. Air resistance is

160. Poetry

Beyond tone, a poet's attitude toward his or her subject reveals to us a poem's A. subject. B. structure. C. diction. D. theme.

161. Social Studies 9

Similarities and Differences between lord protector and reign of terror. PLEASE I NEED HELP !!!!

162. English

The following sentence is missing punctuation: “The crowd upset by the delay began to chant loudly for the band to appear.” Explain where the error has occurred in this sentence and how it can be fixed.

Hi, Please advise on the following: - A procedure for the determination of Impurities A & B in a compound says to use a 4.6 x 150mm x 3um column (stationary phase: octadecylsilyl silica gel). The relative retention time with reference to the Principal Peak

164. nonfiction

Thoreau writes that people should be "mining themselves for gold." By this he is stating, in another way, the ideal of Socrates, which was to A. know thyself. B. deny thyself to learn what is valuable. C. live and let live. D. put first things first

165. owning

The __________spells out the new owner's repayment obligations when finacing a new or used vehicle. A.lone agrrement B.sticker C.buyer's guide D.loan application i got A

166. geometry

A square has side lengths of 4x - 3 and 2x - 5. What is the area of the square?

167. English

Identify what is wrong with the following sentence and make any corrections necessary: “I went the campus bookstore and purchased my textbooks, a few folders and a pair of AiPO socks.

168. English

I still have a doubt. Are the following sentences possible? 1) She accepted to drive me home. 2) Emma blamed me for taking her money. She accused me of taking her money.

169. cultural diversity

I already talked about skin tone and using IAT test to do a survey I need to know what other measurements sociologists utilize to calculate prejudice

170. English

. Identify which one of the following sentences is missing punctuation. Please correct the error and explain why the correction is necessary. a. I woke up when the book slipped from my lap and landed on my foot. b. After the book slid from my lap and

171. Research Methods

A personal trainer wants a random sample of her clients. She gets the list of all her clients from the gym manager and assigns each one a number. She then uses a table of random numbers to select 50 clients from the list.

172. Research Methods

A researcher wants to attain a random sample of young drivers who have received DUIs within the last year. Using the PREP system, he asks all first year students at WLU who have received a DUI to volunteer for the study. Thirty-five students actually admit

173. Calculus

Compute lim √(3-s)-√(3+s))/s s→0⁡

174. Biology (genetics)

The RAS protein acquires a mutation that prevents release of GTP. Which of the following characteristics are these cells likely to acquire? a)Self-sufficiency in growth signals b) insensitivity to anti growth signals c) angiogenesis d) metastasis e)

175. English

I've chosen five sentences but I hope the other were possible.Thank you. 1) What are people intolerant about (is "of" also possible)? They are intolerant about the color of the skin, religion and clothes. 2) In the past, she got hurt (is "offended"

176. english

. Identify which one of the following sentences contains an unnecessary comma. Please correct the error and explain why the correction is necessary. a. I must have been completely absorbed in my work, because I totally forgot about the meeting. b. Because

177. science

what is the discharged rate of water leaking at a 4 inches diameter pvc pipe with pressure of 35 psi and a leak hole of 5 mm in diameter

178. physics

A cannon is used by the department of forestry to launch containers of fire retardant on to a fire. the cannon is at a distance of 1kilometre from a cliff that is 0.5kilometre high from the ground and the fire is 1kilometre away from the base of the cliff.

179. physics

from short to long bondpaper

180. chemistry

what are the three modes of expression of percentage concentration?