# Questions Asked onNovember 12, 2012

1. ## Human Anatomy

What does a neutrophil do? What causes allergies? What is an autoimmune disorder? Thanks in advance-- btw- I have no idea to any of them- hence why i'm asking. ♥dino♥

asked by rawr... im a dinosaur.... rawr
2. ## chemistry

if the heat of combustion of glucose is -2808 kJ/mol, how many grams of glucose are required to supply 1650 kJ of heat?

3. ## Match

John's Collection: 10 coins in all 2 fewer quarters than dimes 2 quarters Q = D = N =

4. ## Math

John's Collection: 10 coins in all 2 fewer quarters than dimes 2 quarters Q = D = N =

5. ## govt

Why not simply make voting compulsory or tie voting to the receipt of government benefits?

6. ## physics

A tray is moved horizontally back and forth in simple harmonic motion at a frequency of f = 1.68 Hz. On this tray is an empty cup. Obtain the coefficient of static friction between the tray and the cup, given that the cup begins slipping when the amplitude

7. ## com sci

A rational number is the form of a/b, where a and b are integers with b != 0. Develop and test a class for processing rational numbers. The class should have a numerator data member and a denominator data member. It should read an display all rational

8. ## Public financial Management

Your special project budget was for 1,000 hours of part-time nurses’ services at $40 per hour, for a total cost of$40,000.

9. ## Financial Management

You are the nursing administrator for a medical group that expects a severe outbreak of the flu this winter. You hire additional staff to treat the patients and administer shots. Your special project budget was for 1,000 hours of part-time nurses’

10. ## trigonometry

We begin by setting t=sin 18 degrees we weill think of t an an "unknown" angle and solve to get the exact value. Use a double angle formula to show that cos 36 degrees=1-2t^2

11. ## physics

The maximum applied force of compression that one man’s thighbone can endure without breaking is 7.6 x104 N. The minimum effective cross-sectional area of the bone is 3 x10-4 m2, its length is 0.54 m, and Young’s modulus is Y=9.4x109 N/m2. The mass of

12. ## Calculus I

*Optimization problem* [I don't know how to get to the answer] Problem: You have a cylindrical can with radius 4cm and height 10cm. Inside is a marble with a radius that has to be larger than 0 but less than 4 cm (even the largest marble will fit

13. ## Physics

A string that passes over a pulley has a 0.373 kg mass attached to one end and a 0.620 kg mass attached to the other end. The pulley, which is a disk of radius 9.50 cm, has friction in its axle. What is the magnitude of the frictional torque that must be

14. ## biology

Communication between cells,tissues and organs.What Blood component?And mode action? Can someone help me please?

77. ## math

n (level 0) = 1 n (level 1) = 4 n (level 2) = 13 n (level 3) = 27 what is the n level ? it means n of any level .. I need an equation, pls ?

78. ## Pre-calculus

On a chicken farm, the poultry is given a healthy diet to gain weight. The chickens have to consure a minimum of 15 units of substance A and another 15 units of substance B. In the market there are only two classes of compounds: Type 1, with a compoistion

79. ## Chemistry

Describe what is happening in regards to the heat energy, temperature, molecular potential energy, and molecular kinetic energy when water is boiling.

80. ## Computers

What are Two examples of Internet Vandalism

81. ## Physics HW Help, Please

A 76.3-kN car is travelling at 66.5 mph when the driver decides to exit the freeway by going up a ramp. After coasting 418 m along the exit ramp the car\'s speed is 27.3 mph, and it is h = 10.7 m above the freeway. What is the magnitude of the average drag

82. ## Physics HW Help, Please

seasoned mini golfer is trying to make par on a tricky hole #5. The golfer can complete the hole by hitting the ball from the flat section it lays on, up a 45° ramp launching the ball into the hole which is d = 1.60 m away from the end of the ramp. If the

83. ## math

the area of triangle wxz in the diagram below is 48 cm2. what is the perieter in centieters of triangle wxz

84. ## Pre-Calculus

How do you make one side equal to the other side? (secx/secx-tanx)=sec^2x+secxtanx

89. ## math

Antoine estimates he can read one and a quarter chapter of a novel in one hour. Jenna estimates she can read three chapters of the same novel in 2 5/6 hours. Antoine read for 8 hours. Jenna read for 6 hours. Who read more chapters? Show work. Please

90. ## algebra

can you please explain how you may have gotten the answer thanks:) The coordinates of quadrilateral VWXY are given below. Find the coordinates of its image after a dilation with the given scale factor. V(6, 2), W(–2, 4), X(–3, –2), Y(3, –5), scale

91. ## business math

Karl Dieter earns $24,862 per year. He is paid 24 times per year and claims 5 exemptions. If$39.99 is withheld from each paycheck, at what rate is he taxed?

101. ## Math

When you divide a proper fraction by an improper fraction, is the quotient less than 1,greater than 1,or equal to 1? I think it is less than one but I'm not sure

102. ## Math

Solve the equation cos3x=1^2 where x is radian

105. ## Math

Solve the equation cos3x=1^2 where x is radian

106. ## Biology

I need to make a cell membrane model out of a tissue box. Can you help me? I need ideas and more information about it.

107. ## math

what is 1087x12 by showing your work

asked by trinity clack
108. ## Economics

What type of labor occurs in Kenya? What percentage of it is physical labor, mental, other? Thanks

109. ## Real Estate Finance

A retired air force colonel wants to buy a new home using a VA loan. He used his VA guarantee of $46,000 in 1989, when he purchased his first home. Based on a guarantee of$104,250, he will be able to use his partial eligibility to obtain a VA loan with no

110. ## physics

Sorting Elements: Give out bags of small, varied objects of different shapes colors, and sizes, such as seashells, beads, or rocks. Have groups of students orgasnize the shells so that similar objects are near each other, but make sure that they are

111. ## visual logics

How do I write a program with three inputs rectangle heights, width, and number of rectangles

112. ## History

What do you think might happen as the size of the population in the english colonies increased

113. ## ACC340

Using at least two sources in addition to the text, Write a 700- to 1,050-word paper describing how information systems are changing the various aspects of the accounting profession.

114. ## math

the election results indicate that 131.2 million Americans voted in the 2008 presidential election. this was approximately 63% of the eligible voters. how many Americans were eligible to vote in the election?

asked by Dylan rangel
115. ## statistics

A bag contains a total of 24 white, red, and blue marbles. A student randomly selects a marble from the bag, records the color, and then returns the marble to the bag. The student repeats the process 24 times. The bar graph shows the results of the

116. ## physcis

Two astronaut, as shown in the figure, each having a mass of 62.0 kg, are connected by a 12.00 m rope of negligible mass. They are isolated in space, moving in circles around the point halfway between them at a speed of 5.00 m/s. Treating the astronauts as

117. ## ACC340

Using at least two sources in addition to the text, Write a 700- to 1,050-word paper describing how information systems are changing the various aspects of the accounting profession. • Include a description of a variety of specific new technologies and

118. ## physics

A(n) 775 N man stands in the middle of a frozen pond of radius 11.2 m. He is un- able to get to the other side because of a lack of friction between his shoes and the ice. To overcome this difficulty, he throws his 1.3 kg physics textbook horizontally

119. ## physics

A 43.3 kg girl is standing on a 125 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a flat, frictionless sup- porting surface. The girl begins to walk along the plank at a constant speed of 1.87 m/s to the right

120. ## phsyics

A war-wolf, or trebuchet, is a device used during the Middle Ages to throw rocks at castles and now sometimes used to fling pumpkins and pianos. A simple trebuchet is shown in the figure. Model it as a stiff rod of negligible mass 3.00 m long and joining

121. ## math

ms. fuller has 2 and 2/6 pies left over from her party. write the number of pies left over as a fraction greater than 1.

122. ## Psychology

When people go without sleep for more than 24 hours in a row, how does their experience of sleepiness vary over time?

123. ## Social Studies 8R help!!!!

What were the goals of (a) the Knights of Labor? (b) the AFL? Answer (a) - ?????? Answer (b) - Unlike the Knights of Labor, the AFL supported the use of strikes to achieve its goals. The AFL collected money from its member unions. Some of it went into a

124. ## physics

A solenoid of radius 2.30 cm has 380 turns and a length of 15.0 cm. (a) Find its inductance. (b) Find the rate at which current must change through it to produce an emf of 76.0 µV

125. ## Data Mangement Gr. 12

What does it mean when you have P(A|C)

126. ## math

what is the letter b in this expression a+b

127. ## Calculus

Consider an infinite series of the form (+-)3(+-)1(+-)1/3(+-)1/9(+-)1/27(+-)....(+-)1/3^n(+-)... The number 3,1, etc. are given but you will decide what the signs should be. a)Can you choose the signs to make the series diverge? B)Can you choose the signs

128. ## math URGENT!!!!!!!!!!!!

a 12x12-inch square is divided into n^2 congruent squares by equally spaced lines parallel to its sides. circles are inscribed in each of the squares. find the sum of the areas of the circles. answer and please explain step by step how u got the answer!!

129. ## math

what is the letter b in this expression a+b

130. ## Math

How do you simplify an expression like: -5x + (-2) + 3x +9

asked by Hannah Borrum
131. ## Physics Help, Please

The figure below shows two speakers, A and B, which are emitting identical, synchronized (in-phase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets

132. ## history

most republicans in the late 1800 were protestants who their party as the defender of traditional American values true or false?

133. ## maths

Factorise the following quadratic expressions: a) x2 + 7x + 12 b) x2 - 4x + 4 c) x2 - x – 6 and explain please

134. ## math

if car one is traveling at 45miles per hr in one direction. How fast is car no 2 has to go from stoped state to catch up with car one after 15 miles assuming car 2 can go from 0-60 in 5 sec.

135. ## math

solve the inequality 3(2x+4)greater than and equal to 2x

136. ## forensic psychology

explain how and why the ADA is relevant to forensic psychology professionals working in the police subspecialty in the screening and selection of police officers

137. ## math

What does the math term XOR stand for in math?

138. ## Physics B

Part 1 Calculate the magnitude of the linear momentum for each of the following cases: A proton with mass 1.67×10 −27 kg moving with a speed of 5.24 × 10 6 m/s. Answer in units of kg · m/s Part 2 A 15.1 g bullet moving with a speed of 327 m/s. Answer

139. ## Physics B

Part 1 A pitcher claims he can throw a 0.167 kg baseball with as much momentum as a 2.43 g bullet moving with a speed of 87735 m/s. What must be its speed if the pitcher’s claim is valid? Answer in units of m/s Part 2 What is the kinetic energy of the

140. ## Physics B

A(n) 685 N man stands in the middle of a frozen pond of radius 14.6 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this diﬃculty, he throws his 1.3 kg physics textbook horizontally toward

141. ## Physics B

A 89.2 kg ice skater, moving at 16.1 m/s, crashes into a stationary skater of equal mass. After the collision, the two skaters move as a unit at 8.05 m/s. Suppose the average force a skater can experience without breaking a bone is 4296 N. If the impact

142. ## Algebra

3x + 7= -x - 1 -3x=x-(6-2x) 1-2x-5=4x+2 2x+3=-2x+5 I cant remember the steps to evaluate.

143. ## Math URGENT!

2. 9X-2=34+3X 4.x/3-15=12+x 6.11+4x=7+5x 8.-7+x=-8-x 10.0.45x+25=40+0.25x

144. ## Physics B

Part 1 A 36 kg girl is standing on a 65 kg plank. The plank, originally at rest, is free to slide on a frozen lake, which is a ﬂat, frictionless supporting surface. The girl begins to walk along the plank at a constant speed of 1.89 m/s to the right

145. ## trig

Solve tan2A - 2tanA = -1 for 0º≤A≤360º.

146. ## Physics B

A(n) 685 N man stands in the middle of a frozen pond of radius 14.6 m. He is unable to get to the other side because of a lack of friction between his shoes and the ice. To overcome this diﬃculty, he throws his 1.3 kg physics textbook horizontally toward

147. ## Finance

The Garcia company's bond have a face value of 1000, will mature in 10 years and carry a coupon rate of 16 percent. Assume interest payments are made semi annually. Determine the present value of the bonds cash flow if the required rate of return is 16.64

148. ## Physics

A driver approaches an intersection at a speed of 50km/h, when the light turns amber. The driver

194. ## Algebra 2

Factor a^(5n)+a^(2n)

195. ## geography

Can you check my answers please? 1. What Russian peninsula is located between the Bering Sea and the Sea of Okhotsk? Kamchatka Peninsula 2. How many degrees of longitude circle the Earth? 360 degrees of longitude 3. What continents are included in the

196. ## chemistry - equilibrium Help

you observed that very little corrosion occurred on the nail immersed in NaOH(aq) solution. This observation is difficult to explain from an electrochemistry perspective since electrochemistry principles predict a spontaneous reaction that should cause

197. ## Physics

Two long straight wires are perpendicular to the page and located at distances d1 = 2 cm and d2 = 3.5 cm from the origin. Wire 1 carries current 5 A out of the page. If the net magnetic field due to the two currents is at an angle of 45 degrees to the

198. ## science

How would your results have differed if you had over-titrated, i.e. added NaOH beyond the endpoint?

199. ## Calculus

A spherical ball is being filled with air. When the radius r=9cm, the radius is increasing at a rate 4 cm/s. How fast is the volume changing at this time (leave your answer approximate)?

200. ## science

What are two organisms interacting with abiotic factors in the mono lake ecosystem?

201. ## algebra

a small business loan in the amount of 50,000 need to interest rate of 9% that compounds monthly for 7 years. What is the payment for 7 years, need formula for this. And what is the balance of the loan at the end of the 1st year? Show the formula used for

202. ## Chemistry

Chemical Kinetics Lab - Ascorbic Acid Reduction of Iron (III) The object of this experiment was to determine a rate law and a rate constant. The reaction that was studied was: 2 Fe(CN)6 ^-3 + C6H8O6 = 2 Fe(CN)6 ^-4 + C6H8O6 + 2H ^+ Summary of obtained

203. ## Physics

A bicyclist of mass 65 kg stands on pedal. The crank is .170 m long and makes a 45 angle with the vertical. The crank is attached to the chain wheel which is 9.70 cm. What force must the chain exert to keep the wheel from turning?

204. ## pucblis opinion

why do you disagree that television has negatively impacted politics and voters?

205. ## Algebra 2

According to the US Census Bureau, the population of the United States has been growing at an average rate of approximately 2% per year. The census is taken every 10 years, and the population in 1980 was estimated at 226 million people. *If the rate of

206. ## Physics

A ski slope drops at an angle of 24 degrees with respect to the horizontal and is 500 m long. A 60 kg skier skis down from the top to the bottom of the slope. A.) Determine the change in gravitational potential energy of the skier+earth system. b.) If 20%

207. ## Algebra

$9500 is invested part of it at 12% and part of it at 7%. For a certain year the total yield is$960.00. How much was invested at each rate? Please show work

208. ## Chemistry

Calculate the enthalpy of combustion for acetic acid using standard enthalpies of formation.

209. ## finance

How does an investor earn more than the return generated by the tangency portfolio and still stay on the security market line? a. Borrow at the risk free rate and invest in the tangency portfolio. b. Add high risk/return assets to the portfolio. c. Adjust

Find three examples of lessons from the front line that are evident in the Nestlé case. How could these issues be overcome?

211. ## Algebra 2

Find all intergers "K" such that the trinomial can be factored over the intergers: x^(2)+kx+8

212. ## Physics

A street lamp weighs 160 N. It is supportedequally by two wires that form an angle of 119 with each other. What is the tension of each of these wires? Answer in units of N

213. ## Math

Lucita was given a rectangular piece of plastic tile shaped in a rectangle. What is the perimeter of the piece of tile in inches? It's width is 2 1/5 in and its height is 5 1/3in A.14 1/2 B.14 4/15 C.15 D.15 1/15 C?

214. ## ss

1. How were things done before the invention was made? How did the invention change how people did things?

215. ## 5th Grade Math

Need to show my work for the following: 646,505,712,103 divded by 72. Am having such a hard time please help.

216. ## Chemistry

A solution is prepared by dissolving 50.0 g of pure HC2H3O2 and 20.0 g of NaC2H3O2 in 975 mL of solution (the final volume). what is the ph? What would the pH of the solution be if 50.0 mL of 0.900 M NaOH were added? What would the pH be if 30.0 mL of 0.30

217. ## English

Poland received top priority on Adolf Hitler's (agenda maze) of military conquests in the fall of 1939 agenda? Students must take many required courses but they also have a little ( oracle leeway) to choose courses that they find especially interesting

218. ## physics

an arrow was shot at a suspended clay target. the original KE the arrow was shot with was 2.0 J. the final KE from the arrow-target collision was 0.2 J. What happened to the original KE of the arrow? Give at least four possible ways in which this KE could

219. ## Physics

In New Hampshire the average horizontal component of Earth's magnetic field in 1912 was 16 uT, and the average inclination or "dip" was 73 degrees. What was the corresponding mag-nitude of Earth's magnetic field?

220. ## algebra

the speed of train A is 8 mph slower than the speed of train B. Train A travels 220 miles in the same time it takes train B to travel 260 miles. Find the speed of both trains. Speed of train A = Speed of train B =

221. ## Physics

Mary weighs 459 N and she walks down a ﬂight of stairs to a level 4.7 m below her starting point. What is the change in Mary’s potential energy?

222. ## Physics Intro

A roller coaster has a vertical drop of height 66 m and then is followed by a oop. It starts as a steep slope 75 degrees to the horizontal and then enters into a circular path of radius R. In order to stay below 4 tims the force of gravity at the bottom of

223. ## algebra

using the rational root theorem to list all possible rational roots of the polynomial equation x^3-x^2-x-3=0 possible answers -3,-1,1,3 1,3 -33 no roots

224. ## algebra

find a third degree polynomial equation with coefficients that has roots -4 and 6+i possible answers x^3-8x^2-11x+148=0 x^3-8x^2-12x+37=0 x^3-12x^2+37x=0 x^3-8x^2-11x=0

225. ## Physics Help, Please

Two speakers, A and B, are emitting identical, synchronized (in-phase) sound waves at 240kHz. A person standing a point C hears a relatively loud sound. She then starts walking towards point D, and notices the sound gets quieter, reaching a minimum when

226. ## algebra

What does Descartes Rule of Signs tell you about the real roots of the polynomial -2x^3+3x^3-5x-2=0 possible answers one positive root either 2 or 0 neg 2 or 0 pos and 2 or 0 neg one pos and one neg either 2 or 0 pos and one neg

227. ## Physics

A cable lifts a 1060-kg elevator at a constant velocity for a distance of 39 m. What is the work done by each of the following?

228. ## college chemistry

How many milliliters of a 9.0\% ({\rm v/v}) propyl alcohol solution would you need to obtain 4.0{\rm mL} of propyl alcohol

asked by chloe shaw

266. ## Chemistry

Calculate the molar enthalpy for the following reaction. HCl(aq) + NH3 (aq) --> NH4Cl (aq). HCl = 50 ml (2.00M) NH3 = 50 ml (2.05 M) Delta T = 9.28 degrees Celsius. Ccal = 28.9J/g degrees celcius.

267. ## Physics

A 0.069-kg arrow is fired horizontally. The bowstring exerts an average force of 65 N on the arrow over a distance of 0.95 m. With what speed does the arrow leave the bow?

A charge Q = +4.5 uC is located at the origin and is fixed so that it cannot move. A small object with mass m = 2.0 g and charge q = +8.0 uC is released from rest at point A on the x-axis at x = 2.0 cm. The small object moves without friction along the

269. ## Chromosones.. idk what else

What happens if a baby has two Y chromosomes?

asked by rawr... im a dinosaur.... rawr
270. ## chemistry

how many atoms are in a sample of 175 g of sodium (Na)? 4.58 x 1024 or 1.42 x 1027?

271. ## Physics

A 7410-kg satellite has an elliptical orbit, as in the figure. The point on the orbit that is farthest from the earth is called the apogee and is at the far right side of the drawing. The point on the orbit that is closest to the earth is called the

272. ## History

Why was Wilbert Rideau denied due process and why was it so important?

273. ## Physics

A 57.5-kg skateboarder starts out with a speed of 1.80 m/s. He does +80.0 J of work on himself by pushing with his feet against the ground. In addition, friction does -265 J of work on him. In both cases, the forces doing the work are nonconservative. The

274. ## Economics

Two-Part Tariff Problem Suppose that each of a firm’s customers has the following demand curve: P = 20 – 2Q. Suppose also that the firm’s total cost function is TC = 8Q. The firm is considering three pricing strategies. Strategy 1: A single per unit

asked by Leonardo Yang
275. ## Economics

You are the manager of a firm that sells CD players and DVD players. You work in Buffalo, New York and this is the middle of winter. So the people that live within walking distance are the only customers you might get, and there are no other stores nearby.

asked by Leonardo Yang
276. ## physics

A dart gun is ﬁred while being held horizontally at a height of 1.19 m above ground level, and at rest relative to the ground. The dart from the gun travels a horizontal distance of 3.33 m. A child holds the same gun in a horizontal position while

277. ## Economics

For each of the following products, write a few sentences answering the following questions: • Is price discrimination of any sort feasible? • If price discrimination is feasible, which of these pricing approaches would you consider using: market

asked by Leonardo Yang
278. ## chemistry

If 8.00g of methane is burned with 6.00g of oxygen. How much methane,oxygen,carbon dioxide,and water remain after the reaction is complete in grams?

279. ## math

Suppose we pump water into an inverted right-circular cone tank at the rate of 6 cubic feet per minute. The tank has the height 9 ft and radius on the top is 8 ft. What is the rate at which the water level is rising when the water is 3 ft deep? Leave the

280. ## Fractions

A technician has prepared three solutions from a 600 mL stock solution. • In preparing the first solution ½ of the original volume of the stock solution was used. • The second solution required ¼ of the remaining stock solution. • Preparation of

281. ## physics

A dart gun is ﬁred while being held horizontally at a height of 1.19 m above ground level, and at rest relative to the ground. The dart from the gun travels a horizontal distance of 3.33 m. A child holds the same gun in a horizontal position while

282. ## Physics

The skateboarder in the drawing starts down the left side of the ramp with an initial speed of 5.4 m/s. If nonconservative forces, such as kinetic friction and air resistance, are negligible, what would be the height h of the highest point reached by the