Questions Asked in 2012
Most Popular Questions of 2012

Algebra
What do you call it when somebody spends 20 years in the 24th row of a theater
asked by Chuck on March 28, 2012 
English
Write a debate on the topic;Boys should not help in the kitchen.Speak for or against the motion.
asked by Vanessa on August 14, 2012 
7th grade math Ms. Sue please
Multiple Choice Use an equation to solve the problem. 1. What is 57% of 11? (1 point) 11 = 0.57 • n; 19.3 n = 57 • 11; 627 n = 0.57 • 11; 6.27 11 = 57 • n; 0.19 2. 224 is 25% of what number? (1 point) 224 • 0.25 = w; 560 224 = 0.25 • w; 896 224
asked by Delilah on November 28, 2012 
Msth
olve each inequality. 1. m – 7 < 6 (1 point) m < –1 m > 1 m < 13 m < –13 2. y + 5 ≥ 7 (1 point) y ≤ 2 y ≤ 12 y ≥ 2 y ≥ 12 3. p + 12 > 9 (1 point) p > 21 p > 3 p > –21 p > –3 4. Translate the following statement into an inequality: Five
asked by Lauran on December 12, 2012 
MATH
1. Terre Haute to Indianapolis to Bloomington measures 3 cm on the map. What is the actual distance? 100 km 150 km 200 km 250 km 2. Fort Wayne to Richmond to New Albany measures 6 cm on the map. What is the actual distance? (1 point) 300 km 250 km 350 km
asked by Help!!!!!!!!!!!!!! Fast its urgent Please!!!!!!!!! on December 7, 2012 
LAW 302 business law for Managers
what is your opinion on the role of fault and individual responsibility in both torts and product liability? Not sure how to answer this question.
asked by Timica on September 12, 2012 
time and stress management
relaxation is a state of (a)low arousal (b)high arousal (c)increased blood pressure (d)rapid thought processes my answer is a to analyze exactly what to do with your time,you need to (a)write down everything that you do in a time inventory (b)videotape
asked by susue on October 5, 2012 
management of business
what is a joint venture? what are the sources of finance for joint ventures? describe the appropriateness of the legal structure and some problems associated with changing from one legal structure to the other ...what are some advantages and disadvantages
asked by kerry j on September 16, 2012 
MATH
an unfair coin with pr[tails]= .15 is flipped 6 times. what is the probability of getting EXACTLY 1 tail in the 6 flips?
asked by Anonymous on October 18, 2012 
LAW 302 business law for Managers
what is your opinion on the role of fault and individual responsibility in both torts and product liability? Not sure how to answer this question.
asked by Timica on September 12, 2012 
Math for Steve
1. Identify the part, whole, and percent in the following statement: Find 15% of 750. a. part = 750, whole = n, percent = 15 b. part = 15, whole = 750, percent = p c. part = n, whole = 750, percent = 15 d. none of these 2. Write a percent equation that can
asked by Jman on November 6, 2012 
Math for Steve or someone good at math
1. Find the percent of change when the price of a radio changes from $40.00 to $44.00. a. 12% b. 10% c. 36.4% d. 40% 2. Find the percent of change when the price of an oven changes from $450 to $396. a. 15% b. 14% c. 13% d. 12% 3. The top player’s
asked by Jman on November 8, 2012 
Essay
Essay: How I surprised my friend on her birthday part. A birthday party is the one day a year, which is very special and unique to everyone in their life. It is a day that should be celebrated with lots of joys and some surprises. Basically, I thought I
asked by Silika on June 30, 2012 
7th grade math Ms. Sue please
1. 7r – 7 = 2r + 18 (1 point) r = –5 r = 5 r = 2.2 r = 1.2 2. 2x + 12 = 18 – x (1 point) x = 3 x = 10 x = 6 x = 2 3. 8x – 3 = 15x + 18 (1 point) x = –3 x = 3 x = 2.1 x = .9 4. 6y – 6 = 4y + 16 (1 point) y = 2.2 y = –2.2 y = 11 y = 5 5. 3(x
asked by Delilah on December 13, 2012 
Chemistry Help
Write the net ionic equation for the reaction of calcium nitrate and sodium phosphate
asked by Alex on November 14, 2012 
7th grade math Ms. Sue please
1. What are the equivalent fraction and decimal for thirtythree and onethird%? (1 point) one over thirtythree and 0.3 one over thirtythree and 3 3three and onethird and CE_point thirty three repeating_large onethird and point thirtythree repeating
asked by Destiny on November 9, 2012 
7th grade math Ms. Sue please!
1. Write the following ratio in simplest form: 32 min:36 min 8:9 8:36 32:9 128:144 2. Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has left? 43:8 8:51 43:51 59:51 3. The
asked by Delilah on October 30, 2012 
ALGERBRA,PLEASE HELP!!!!!!
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) A) (–2, 4) and (6, 6) B) (2, 4) and (6, 6) C)(–2, 4) and (6, –6) D)(2, –1) and (–3, 3) 2. Given a scale factor
asked by LILLY on November 6, 2012 
7th grade math Ms.Sue please check my answers
1. Mac’s farm has a total of 18 horses and 27 cows. What is the ratio of horses to cows in simplest form? (1 point) 6 over 9 18 over 27 2 over 3 three over two 2. A class has 27 students. Fifteen are boys and the rest are girls. What is the ratio of
asked by Delilah on October 25, 2012 
English
Identify the structure used in each of the sentences below. 1. The hamburger came from Hamburg, Germany, and the hot dog came from Frankfurt. simple compound complex compoundcomplex 2. The idea of placing meat on a bun, however, came from the United
asked by Fate on December 28, 2012 
Physics
While working on her bike, Amanita turns it upside down and gives the front wheel a counterclockwise spin. It spins at approximately constant speed for a few seconds. During this portion of the motion, she records the x and y positions and velocities, as
asked by Sam on August 19, 2012 
Physics
A soccer ball kicked on a level field has an initial vertical velocity component of 15 meters per second. Assuming the ball lands at the same height from which it was kicked, what is the total time the ball is in the air? [Neglect friction.]
asked by Shannon on November 14, 2012 
CHEM
Calculate ΔSfus and ΔSvap for HF. Determine the entropy change when 7.60 mol of HF(l) freezes at atmospheric pressure. I already calculated ΔSfus as 24.103 J/k*mol and ΔSvap as 86.07 J/K*mol....These are correct (I checked them already). I need help
asked by Srah on March 16, 2012 
7th grade math Ms.Sue please!
Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠. 1. 7/5 ? 15/10 = ≠ 2. 6/8 ? 15/20 = ≠ Solve each problem. 3. 2/3 = 1.2/x x = 18 x = 1.8 x = 0.2 x = 10 4. 4/5 equals 8/x plus 2 x = 4 x = 9.5 x = 2 x =
asked by Delilah on October 26, 2012 
Geometry Question
B is the midpoint of segment AC and D is the midpoint of segment CE. Solve for x, given BD=3x+5 and AE=4x+20. Sorry I couldn't get the link for the picture but, the diagram is a picture of a triangle with a C at the top, and A and E on the bottom angles,
asked by Jenn on January 2, 2012 
Ratios of Similar Figures
1. Write the following ratio in simplest form: 32 min : 36 min a. 8 : 9 b. 8 : 36 c. 32 :9 d. 128 : 144 2. In a sports equipment locker, there are 81 balls and 45 baseball mitts. Write the ratio of balls to baseball mitts in simplest form. a. 9 : 5 b. 10 :
asked by Jman on October 22, 2012 
7th grade math Ms. Sue please
2. Shelly sews a blanket that has an area of 170 square feet. It has 30 square blocks, each the same size. What is the approximate length of each side of a block? (1 point) 1 foot 2 feet 3 feet 4 feet 3. Which of these numbers can be classified as
asked by Delilah on October 24, 2012 
Chemistry
2H2+O2 > 2H20 changeHrxn=484 KJ Which answer best describes the transfer heat that occurs when 1.30 mol of H2 reacts? 629 KJ released 315 KJ absorbed 315 KJ released 484 KJ absorbed 484 KJ released 629 KJ absorbed
asked by Anonymous on October 9, 2012 
Math: Algebra
1. Which method would be the simplest way to solve the system? 7x + 5y = 19 –7x – 2y = –16 A.) graphing B.) substitution C.) elimination D.) distributive I think it is C.
asked by Timothy on November 27, 2012 
chemistry
Complete and balance the molecular equation, including phases, for the reaction of aqueous ammonium bromide, NH4Br, and aqueous lead(II) acetate, Pb(C2H3O2). Enter the balanced net ionic equation, including phases, for this reaction.
asked by Kelly on October 23, 2012 
Chemistry
Consider the decomposition of a metal oxide to its elements, where M represents a generic metal. M203(s)> 2M(s) + 3/2 O2(g) info given for Gf(kJ/mol): M203= 10.60 M(s)=0 O2(g)= 0 1.) what is the standard change in Gibbs energy for rxn as written in
asked by Kelsey on March 15, 2012 
geometry
1. What is the lateral surface area of a square pyramid with side length 11.2 cm and slant height 20 cm? 224 cm2 448 cm2 896 cm2 2508.8 cm2 2. What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm? 19 cm2 30 cm2 200 cm2 209
asked by lilman on April 18, 2012 
chemistry
Which of the following reactions have a positive ΔSrxn? Check all that apply. A(g) +B(g) > 3C(g) A(g)+ B(g)> C(g) 2A (g) +2B (g)> 3C(g) A(s)+B(s)> C(g) I picked the first one and it marked me wrong. Please help(:
asked by Jerry on March 14, 2012 
physics
An object with mass 3.0 kg is attached to a spring with spring stiffness constant k = 300 N/m and is executing simple harmonic motion. When the object is 0.020 m from its equilibrium position, it is moving with a speed of 0.55 m/s. (a) Calculate the
asked by Nicole on March 7, 2012 
Math for Steve
1. Write the ratio in the simplest form. 45 : 15 a. 9 : 3 b. 3 : 1 c. 1 : 3 d. 4 : 1 4. Jake sold 39 tickets to the school fair, and Jeanne sold 12 tickets. What is the ratio, in simplest form, of the number of tickets Jeanne sold to the number of tickets
asked by Jman on October 30, 2012 
english
Shortly before the Russian Revolution, an eccentric man named Rasputin became ______as the "mad monk." Because he dressed like a peasant, drank heavily, and rarely bathed, the nobility often felt ____during their encounters” with him at the palace. Yet
asked by brad on December 3, 2012 
Math
1. Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (2, 4) and (6, 6) (2, 4) and (6, 6) (–2, 4) and (6, –6) (2, –1) and (–3, 3) 2. Given a scale factor of onehalf , find
asked by Briana T on December 6, 2012 
geometry
In the middle of the page, draw an equilateral triangle with 2 inch sides and the bottom parallel to the bottom of the page. 2. From the center of the right side, draw two parallel lines an inch apart and an inch long. 3. Draw a line from the end of one of
asked by Des on December 10, 2012 
math
What is the ratio of 4/5 to 7/15?
asked by me on December 3, 2012 
physics
A stone is suspended from the free end of a wire that is wrapped around the outer rim of a pulley, as shown in the figure (see the figure ). The pulley is a uniform disk with mass 10.4 and radius 51.0 and turns on frictionless bearings. You measure that
asked by Anonymous on May 13, 2012 
Trig FInd Translation Rule and Coordinates Thanks!
The vertices of a rectangle are R(–5, –5), S(–1, –5), T(–1, 1), and U(–5, 1). After translation, R' is the point (–11, –11). Find the translation rule and coordinates of U'. (x, y)> (x – 6, y + 6); (–11, 7) (x, y)> (x – 6, y –
asked by LeXi ;) on March 1, 2012 
Chemistry
Using the following data calculate Delta Sfus and Delta Svap for K in J/molk Tm(K) = 336, Delta H Fus(kJ/mol) = 2.33, Tb (K) = 1033, Delta H vap (kJ/mol) = 77.1 For Delta S fus i'm supposed to use 336 K the Tm value and for Delta S vap i'm supposed to use
asked by Katherine on March 9, 2012 
Chemistry
When the oxide of generic metal M is heated at 25.0 °C, only a negligible amount of M is produced. O2M(s) > M(s) +O2(g) delta G= 288.9 Kj/mol When this reaction is coupled to the conversion of graphite to carbon dioxide, it becomes spontaneous. What
asked by Jerry on March 14, 2012 
math
The owner of a luxury motor yacht that sails among the 4000 Greek islands charges $960/person/day if exactly 20 people sign up for the cruise. However, if more than 20 people sign up (up to the maximum capacity of 100) for the cruise, then each fare is
asked by Britney on November 14, 2012 
math stuff
how do u find the unit rate of a question
asked by sk8rboi on December 3, 2012 
management
can you please help me found the information for this question: how has globalization affected merck's business strategies
asked by Patiance on October 30, 2012 
algebra
using substitution how to solve x + 4y = 8 2x + 5y = 29
asked by noah on December 3, 2012 
central middle
what do you get as your new length and width if you enlarge a 8 cm by 10 cm photo by a scale factor of 150%
asked by Anonymous on December 3, 2012 
chemistry
Write the balanced chemical equation for each of these reactions. Include phases. When aqueous sodium hydroxide is added to a solution containing lead(II) nitrate, a solid precipitate forms. However, when additional aqueous hydroxide is added the
asked by Katie on February 13, 2012 
Calculus
A car traveling at 42 ft/sec decelerates at a constant 7 feet per second squared. How many feet does the car travel before coming to a complete stop?
asked by Izzy on April 26, 2012 
Chemistry
Which of the following electron configurations of neutral atoms represent excited states? ( ) [Xe]6s24f1 ( ) 2s2 ( ) 1s22s22p63s23p63d2 ( ) [Ar]4s23d3 ( ) [Kr]5s14d5
asked by Garcia on November 11, 2012 
Chemistry
Which of the following substances have a standard heat of formation (ÄHf°) of zero? O2(g) at 25.0 degree C and 1 atm Fe at 1200 degree C C2H6(g) at standard conitions Cl2(g) at 2 atm
asked by Anonymous on October 9, 2012 
math
Please someone show me how to work this one out? Suppose Caroline is a cinephile and buys only movie tickets. Caroline deposits $3000 in a bank acct that pays an annual interest rate of 20%. You can assume that this interest rate is fixedthat is, it
asked by nan on February 26, 2012 
Geometry
ABCD is a rhombus. Explain why triangle ABC is congruent to triangle CDA.
asked by BaileyBubble on December 14, 2012 
Algebra 8th grade please help!!!!!!
Using the numbers 5, 8, and 24, create a problem using no more than four operations (addition, subtraction, multiplication, division, square, square root, cube, cube root) where the solution will be an irrational number. Explain why the result of your
asked by April :) on November 13, 2012 
writing
Can someone please check my answers which of the following would always require a citation in a research paper? thesis statenment an anecdotal experience a quotation (answer) a humorous statement Which of the following shows the correct parenthetical
asked by kevin on April 1, 2012 
7th grade math Ms. Sue please
1. Write the fraction eightninths as a percent. Round to the nearest hundredth of a percent where necessary. (1 point) 88.89% 1.13% 44.44% 66.67% 2. Write the decimal 0.041 as a percent. (1 point) 41% 4.1% 410% 0.41% 3. A study in your town found that 54
asked by Delilah on December 5, 2012 
7th grade math Ms. Sue please
1. The price of a radio changes from $40.00 to $44.00. (1 point) 10% decrease 10% increase 36.4% decrease 40% increase 2. The price of an oven changes from $450 to $396. (1 point) 13.6% increase 13.6% decrease 12% increase 12% decrease 3. The top
asked by Delilah on November 19, 2012 
Physics
a small rock with mass 0.20 kg is released from rest at point A which is at the top edge of a large, hemispherical bowl with radius R = .5m. assume that the size of the rock is small compared to R, so that the rock can be treated as a particle, and assume
asked by Frankie on October 23, 2012 
PLEASE HELP  DIVISORS PROB
What is the probability that a randomly selected divisor of 720 is a multiple of 4? Express your answer as a common fraction.
asked by failureinmath on November 15, 2012 
7th grade math Ms. Sue please
1. Rename foursevenths as a percent. Round to the nearest tenth of a percent if necessary. (1 point) 47% 1.8% 57.1% 28% 2. Rename .709 as a percent. (1 point) 709% 70.9% 79% 7.09% 3. If onethird is equivalent to 33thirtythree and onethird%, what
asked by Delilah on November 14, 2012 
College Physics
A uniform horizontal rod of mass M and length l rotates with angular velocity w (omega) about a vertical axis through its center. Attached to each end of the rod is a small mass m. Determine the angular momentum of the system about the axis. Write you're
asked by Daniel on October 20, 2012 
science
displacement vectors of 5km north, 3km east, 2km south, and 3km west combine to a total displacement of? 3km north 13km west 0km 2km south I think 13km west
asked by Brandon on February 17, 2012 
chem
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.150 M HClO(aq) with 0.150 M KOH(aq). The ionization constant for HClO is 4.0*10^8 a)before addition of any KOH b)after addition of 25.0 mL of KOH c)after addition of 40.0 mL
asked by quinn on July 8, 2012 
Chemistry
NaI(aq)+Hg2(C2H3O2)2(aq)> Express your answer as a chemical equation. Enter NOREACTION if no reaction occurs. Identify all of the phases in your answer. I need help! Someone please help..
asked by Lalo on October 27, 2012 
English
chapter 14 sentence check 2... Although everything about the Nazis ﬁlled the Dutch spy with ____ (convert), his assignment was to ___(convert)peoples pain.
asked by Sam on December 3, 2012 
Statistics
The level of nitrogen oxides (NOX) in the exhaust of a particular car model varies with mean 0.9 grams per mile and standard deviation 0.15 grams per mile . (a) What sample size is needed so that the standard deviation of the sampling distribution is 0.01
asked by Terra on January 12, 2012 
Chemistry(Please check answer)
The solubility product expression for mercury(I) iodide, Hg2I2 is Ksp = ? My answer is [Hg2^2+^][2I^^]^2^ Would you agree?
asked by Hannah on April 8, 2012 
Geometry PARALLELOGRAM question?
If ON=8x8, LM=7x+4, NM=x5, and OL=3y6, find the values of x and y for which LMNO must be a parallelogram. {O is on the left, N is on top right, L is on bottom left and M is on bottom right} Thank You :)
asked by Alexandria on January 8, 2012 
7th grade math please check ASAP please!
Tom buys a shirt for $22.00 plus 7% sales tax. His cousin buys a shirt for $18.00 plus 4% sales tax. a. How much do Tom and his cousin pay for the shirts? Show your work. b. Who spent more on tax? (3 points) Is my answer correct: B: Tom's cousin **I
asked by Delilah on December 5, 2012 
algebra
translate the following phrase into an algebraic expression. "the quotient of a number less seven and twenty."
asked by Missy on May 30, 2012 
physics
Find the net torque on the wheel in the figure below about the axle through O perpendicular to the page, taking a = 11.0 cm and b = 23.0 cm. (Indicate the direction with the sign of your answer. Assume that the positive direction is counterclockwise.)
asked by Anonymous on April 30, 2012 
math
3. The gross income of David Vaughn is $785 per week. His deductions are $42.25, FICA tax; $90.33, income tax; 2% state tax; 1% city tax; and 3% retirement fund. What is her net income for one week? A. $675.32 B. $628.77 [C. $605.32] D. $749.77
asked by jake on January 10, 2012 
Chemistry
At equilibrium, the concentrations in this system were found to be [N2] = [O2] = 0.100 M and [NO] = 0.500 M. N2(g) + O2(g) 2NO(g) If more NO is added, bringing its concentration to 0.800 M, what will the final concentration of NO be after equilibrium is
asked by David on March 5, 2012 
geometry
The trapezoids are similar. The area of the smaller trapezoid is 564m^2. Find the area of the larger trapezoid to the nearest whole number. The smaaler trapezoid is 24m, and the larger trapezoid is 57m. Possible answers: 576m^23,249m^23,181m^214m^2
asked by kevin on April 8, 2012 
Physic
1. Water at a pressure of 3.00 x 10 5th Pa flows through a horizontal pipe at a speed of 1.00 m/s. The pipe narrows to onefourth its original diameter. What is the speed of the flow in the narrow section? Not sure was successfully posted
asked by Leo on December 5, 2012 
Chemistry
In which direction will the net reaction proceed. X(g) + Y(g) Z(g) .. Kp = 1.00 at 300k for each of these sets of initial conditions? 1) [X] = [Y] = [Z] = 1.0 M a] net reaction goes to the left [this one?] b] net reaction goes to the right c] reaction is
asked by Tracy on March 5, 2012 
calculus
3. For what value of k will x+k/x have a relative maximum at x = 2? A. 4 B. 2 C. 2 D. 4 E. None of these
asked by Taeyeon on February 26, 2012 
7th grade math Ms. Sue please
1. Identify the part, whole, and percent in the following statement: Find 15% of 750. (1 point) part = 750, whole = n, percent = 15 part = 15, whole = 750, percent = p part = n, whole = 750, percent = 15 none of these 2. Write a percent equation that can
asked by Delilah on November 16, 2012 
PHYSICS
A 5.0 cm diameter coil of 20 turns with a resistance of 0.50 Ù is in a timevarying magnetic field which is perpendicular to the coil and is given by the expression; B = 0.010t2 + 0.020t, where B is in tesla and t is in seconds. a) Draw a graph of B as a
asked by MPHO on May 1, 2012 
calculus
4. When the area in square units of an expanding circle is increasing twice as fast as its radius in linear units, the radius is A. 1/4pi B.1/4 C.1/pi D. 1 E.pi
asked by Taeyeon on February 26, 2012 
English
In the story Sunjata... Why do the sorceresses agree to kill Sunjata? A.Sunjata declined his father's cows. B.Sunjata had befriended Jelimusoni Tunku Manyan Diawara. C.Dankaran Tuman's offer was better than Sunjata's. D.Dankaran Tuman had promised them a
asked by Deborah on November 14, 2012 
math
15. Harriet needs to ship a small vase. The box she will use has a volume of 216 cubic inches. If the side lengths are all the same, what is the length of each side of the box? Hint: V = s^3
asked by jman on October 9, 2012 
math
Orlando has a bank statement balance of $414.25 and $5.90 service charge. His check register shows $374.16 and he has two outstanding checks of $26.54 and $21.78. What is his true balance?
asked by help on January 25, 2012 
7th grade math help Ms. Sue
3. Which of the following equations has an infinite number of solutions? (1 point) 3x – 3 = –4x 2y + 4 – y = 16 7x + 5 = 4x + 5 + 3x 6y – 2 = 2(y – 1) 5. Write an inequality for the word sentence: k is less than zero. (1 point) k > 0 k ≥ 0 k <
asked by Delilah on December 18, 2012 
chemistry
Calculate the pH of the resulting solution if 30.0 mL of 0.300 M HCl(aq) is added to (a) 35.0 mL of 0.300 M NaOH(aq). (b) 40.0 mL of 0.350 M NaOH(aq).
asked by anon on April 10, 2012 
Chemistry
Under standard conditions (298 K and 1 atm), which statement is true? a] diamond converts to graphite spontaneously b] graphite converts to diamond spontaneously c] none of the above How can the spontaneity of the reaction be reversed? a] increase the
asked by Katherine on March 8, 2012 
calculus
1. If 3x^2+2xy+y2=2 then the value of dy/dx x = 1 is A. 2 B. 0 C. 2 D. 4 E. not defined
asked by Taeyeon on February 26, 2012 
math help! 1 question!!!
On a given blueprint, 1 inch = 16 feet. If the dimensions of the bedroom on the blueprint are 0.75 inches × 1.5 inches, what are its actual measurements 16 ft × 32 ft 12 ft × 24 ft 16 ft × 24 ft 12 ft × 32 ft
asked by ? on November 13, 2012 
Math
A ball is thrown vertically upward with an initial velocity of 96 feet per second. The distance s (in feet) of the ball from the ground after t seconds is s(t)=96t16t^2 a.) at what time will the ball strike the ground b.) for what time t is the ball more
asked by danielle on March 25, 2012 
Chemistry
A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by ATP(aq) +H2O (l) >ADP(aq) +HPO4^2 for which
asked by Jerry on March 14, 2012 
physics
A droplet of ink in an industrial inkjet printer carries a charge of 1.1×10−10 C and is deflected onto paper by a force of 3.7×10−4 N.Find the strength of the electric field to produce this force.
asked by Helen on April 14, 2012 
Physics
The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at the corners of the square. Find the electric potential energy of a third charge q3 = 7.00 109 C placed at corner A and then
asked by Anne on January 30, 2012 
The Binding Energy of Electrons?
An Xray photon of wavelength 0.954 nm strikes a surface. The emitted electron has a kinetic energy of 935 eV. What is the binding energy of the electron in kJ/mol? [KE =1/2 mv^2; 1 electron volt (eV) = 1.602 x 10^ 19 J]
asked by Amy on November 26, 2012 
chemistry
For the following fusion reaction, Calculate change in energy per mole.( Answer in J/mole) 2H1 + 2H1 > 3H1 + 1H1 (the mass number is in front of the atom and the atomic number is behind the atom) Given info:Atoms with their masses(amu) H1 1.00782 H2
asked by Mima on April 28, 2012 
chemistry
Find the pH during the titration of a 20.00mL of 0.1000 M butanoic acid, CH3CH2CH2COOH (Ka=1.54 x10^5), with the addition of 10 mL of 0.1000 M NaOH solution??
asked by anonymous on April 9, 2012 
math
Pizzaz pg.103 Did you hear about...
asked by John on January 8, 2012 
Calculus
A baseball team plays in a stadium that holds 53,000 spectators. With ticket prices at $10, the average attendance had been 49,000. When ticket prices were lowered to $8, the average attendance rose to 51,000. (a) Find the demand function (price p as a
asked by Anonymous on July 15, 2012 
math
1) Write the fraction 5/9 as a percent.Round to the nearest hundredth of a percent where necessary. 2)Write the decimal 0.079 as a percent. 3)In the country of Sweden, a bill becomes a law only if 38/50 of the senators approve it. What percentage 50 is
asked by luz, please answer =) on November 29, 2012 
math help pls
1. Evaluate 6r + 7 for r = 1.2. (1 point)0.2 7.2 13 14.2 2. Write an algebraic expression for “Julie runs three miles less than twice the number of miles, n, that Hannah runs.” (1 point)2n – 3 3n – 2 2n + 3 3n + 2 3. Solve 5s + 40 = 55 using number
asked by Anonymous on November 13, 2012