# Short answer find the quotient 6x^3-x^2-7x-9 ------------ 2x+3

142,296 questions, page 226-
## Music

I need help. I have to pick a song to sing and it has to match with my voice. So far I narrowed it down to Cheatercheaterbestfriendeater by NevershoutNever, My Everything by My Genuine Find, Your Biggest Fan by NeverShoutNever, and Always You by My Genuine

*asked by Hailey on May 1, 2012* -
## chemistry

Im really confused....Im being asked to find the highest pH of HI, KOH and HNO3 all with a concentration of 0.10M. I understand HOW to find it: ph=-log[concentration of H]....but wouldn't that technically mean the pH of HI and HNO3 are the same?!

*asked by Anonymous on October 3, 2011* -
## math, slope

how to find average slope: you are given points of: (0,0) (20,.166) (40,.181) (60,.194) (80,.204) (100,.210) (120,.214) how do i find average slope of all of these?

*asked by Anonymous on October 5, 2009* -
## Poem: Beware do not read this poem by Ishmeal Reed

Could someone please check these ASAP! 1. What story does the poem tell in the first three stanzas? Answer: The story that the poem is telling is a women who lived amoungst mirrors had locked herself in her house, and two villagers broke in, and she

*asked by Remy on January 26, 2009* -
## psychology

A worker who recently switched from day to swing shift has become less efficient and more irritable. He is also making more mistakes than he did on the day shift. The cause of this worker's problem is likely to be: a. sleep disorders due to change in shift

*asked by Terry on February 23, 2012* -
## Science:Biology

Use the following genotypes to answer the question. N= big nose n= small nose B= big nostril b= small nostrl H= hairy face h= no hairy face XY= man XX= woman Z= zits on the nose z= no zits on the nose If two parents who are heterozygous for all the traits

*asked by Kellie on October 12, 2007* -
## IB Physics

a wind turbine has a power output p when the wind speed is v. The efficiency of the turbine does not change. What is the wind speed at which the power output is p/2 I know the answer is v/cube root of 2 but I don't know how to get that answer. Can you show

*asked by Josh on January 22, 2019* -
## MATH, ALGEBRA

CAN SOMEONE CORRECT THIS: lIST ALL THE FACTORS OF 16? mY ANSWER: 1,2,4,8 What is the prime factorization of 40? My answer:2x2x2x5 almost- 1, 16, 2, 8, 4 Isn't sixteen a factor of 16? You are correct on the prime factors of 40 should i leave the 16 as part

*asked by jasmine20 on December 16, 2006* -
## math

A baseball diamond is a square with side 90 ft. A batter hits the ball and runs toward first base with a speed of 19 ft/s. (a) At what rate is his distance from second base decreasing when he is halfway to first base? (Round your answer to one decimal

*asked by abhishek on February 26, 2016* -
## limits

what is the derivative of e^(3*ln(x^2)) i keep getting 6/x * e^(3*ln(x^2)) but that's not one of the multiple choice so am i doing something wront. also, what is the limit of (1-cosx)/(2*(sinx)^2) as x approaches zero. is the answer zero or nonexistent The

*asked by david on December 9, 2006* -
## maths

2(n-5) = 4 (n+2) Solve the equation is the answer -0.3 ? 2(n-5) = 4 (n+2) Solve the equation is the answer -0.3 ? If the intent of 4 (n + 2) is 4 times (n + 2), Expanding, 2n - 10 = 4n + 8 Therefore, 2n = -18 making n = -9. If the intent of 4 (n + 2) is 4

*asked by asa on April 14, 2007* -
## maths

The probability that Katarina will correctly solve a given Brilliant math problem is 1/8. The probability that Layla will solve the same problem correctly is 1/12. The probability that they will give the same incorrect numerical result is 1/1001. Suppose

*asked by rohit on April 1, 2013* -
## math

Statuary Hall is an elliptical room in the United States Capitol Building in Washington, D.C. The room is also referred to as the Whispering Gallery because a person standing at one focus of the room can hear even a whisper spoken by a person standing at

*asked by Lucy on June 10, 2018* -
## Physics

Hello I have an assignment to do about the force table. I'm not sure about my answers, hope someone could check it for me if I answered correctly. 1.What kind of forces do you use on the force table? Explain about the used forces. Resultant force,

*asked by Aransaja on November 22, 2010* -
## College Algebra

Part 1: Using the Library, web resources, and/or other materials, find the average weight in pounds of a type of bird of your choice. Use the rational exponent equation L = 2.43 * W^0.3326 to estimate the wingspan L in feet of the bird that weighs W pounds

*asked by Nicole on January 25, 2009* -
## English

Lesson 1: Introducing the Big Question Unit 3: Facts and Visions ________________________________ Thematic Vocabulary argument: n. a disagreement, often involving anger; other forms: argue, arguing, argumentative compromise: n. a solution in which people

*asked by Ash on November 4, 2018* -
## Math

1. Find the next three terms in the sequence. 30, 22, 14, 6, ... -3, -12, -21 -1, -8, -15 -1, -2, 3, -2, -10, -18** 2. Find the next three terms in the sequence. 3, 6, 9, 12, ... 15, 18, 20 ** 15, 19, 20 15, 18, 21 14, 18, 21 3. Find the next three terms

*asked by Anastasia on February 2, 2016* -
## math

Find the area of the partial circle, use 22/7 for pi. 1.) radius = 27 cm find the area of 1/5 of the circle 2.) diameter = 29 ft find the area of 1/3 of the circle. Help!! Please!! Thanks!! :D

*asked by Ele on April 26, 2012* -
## Math

The weekly demand for the Pulsar 25-in. color console television is given by the demand equation p=-0.05x+502 (0(less than or equal too)x(less than or equal too)12,000) where p denotes the wholesale unit price in dollars and x denotes the quantity

*asked by Britney on November 14, 2012* -
## Physics

A ball rolls down a ramp that's set on a table, and from there falls off the table. The height of the ramp, length of the ramp, and height from the table are known, and the task is to find the horizontal displacement. One can use mgh = 1/2mv^2 + 1/2kmv^2

*asked by Mary on March 10, 2018* -
## Physics

A ball rolls down a ramp that's set on a table, and from there falls off the table. The height of the ramp, length of the ramp, and height from the table are known, and the task is to find the horizontal displacement. One can use mgh = 1/2mv^2 + 1/2kmv^2

*asked by Mary on March 9, 2018* -
## maths

Im confused can any1 help me on this question ?? or try and put me on the right track? (a) A circle has radius 2cm (in that circle there is an triangle AOB) and the chord AB has length 3cm. AO is 2cm and BO is 2cm. O is the centre of the circle. (b)

*asked by hi on September 25, 2007* -
## English

Multiple Choice 1. Read the following passage from Edgar Allan Poe's "Annabel Lee": "It was many and many a year ago, In a kingdom by the sea, That a maiden there lived whom you may know By the name of Annabel Lee;– And this maiden she lived with no

*asked by Laci on October 18, 2011* -
## mitx 8.01x Classical Mechanics

Vector A⃗ , in the first quadrant, has a magnitude |A⃗ |= 1.0 and is at an angle α = 40 ∘ with respect to the positive x-axis. Vector B⃗ , in the fourth quadrant, has a magnitude |B⃗ |= 2.5 and is at an angle β = 20.0 ∘ with respect to the

*asked by youlife on September 10, 2013* -
## Chemistry

I am trying to answer the question below, and I am guessing the reason lactate has a lower Km is that it is better able to accept electrons than ethanol. Is this correct? If so, what makes lactate a better electron acceptor? Any help is greatly

*asked by Student on November 27, 2016* -
## MATH

A set of 50 data values has a mean of 18 and a variance of 4. I. Find the standard score (z) for a data value = 20. II. Find the probability of a data value < 20.

*asked by Jen on October 30, 2011* -
## algebra 2

The larger of two numbers in 8 times the smaller. The difference between them is 42. Find the numbers. Write the equations. Find the numbers

*asked by lea on March 14, 2012* -
## Composition of Functions

1. Find (f·g)(x) where f(x) = 1/x²+3 and g(x) = √x-2. a) (f·g)(x) = 1/x-2 b) (f·g)(x) = 1/√x-2 +3 c) (f·g)(x) = √-2x²-5/x²+3 2. Find (g·f)(x) where f(x) = x²-2 and g(x) = 5x-8. a) (g·f)(x) = 5x²-18 b) (g·f)(x) = 5x²-4 c) (g·f)(x) =

*asked by STUDENT on November 9, 2016* -
## geography

I am trying to find this: how do we find the country's rank population such as upper class, lower class, and middle class?

*asked by Jud on February 28, 2008* -
## geometry

in triangle GHJ, k(2,3) is the midpoint of GH, l(4,1) is the midpoint of HJ and m(6,2) is the midpoint of GJ. Find the coordinates of G,H and J. can you please show me how to find this? i don't really understand how it would be done. thank you.

*asked by maria on November 2, 2010* -
## Chemistry

How would i find the hybridization of the central atom in NO3^- and CH2Br2? Also, in general how would I find the hybridization of something, and what is hybridization (I'm very lost)?

*asked by Sarah on December 8, 2009* -
## Statistics

A set of 50 data values has a mean of 35 and a variance of 25. I. Find the standard score (z) for a data value = 26. II. Find the probability of a data value > 26.

*asked by don on October 17, 2011* -
## Math

Find x in triangle Exterior is 120 degrees and 20 degrees Find interior x 180 degrees total

*asked by Chris on February 4, 2013* -
## Math

An object moves along the path x^2 - y^2 = 5. At the point (-3, 2),dx/dt = -4. Find dy/dt at that same point. I understand that dy/dt of the function is y' = x/y but I am not sure how to find it at that specific point. Could you please help? Thank you!

*asked by Jessica on June 18, 2016* -
## Homework Help

A set of 50 data values has a mean of 48 and a variance of 9. I. Find the standard score (z) for a data value = 43. II. Find the probability of a data value < 43.

*asked by Huffette on December 2, 2012* -
## chemistry

Changing 1 mol of Mg(s) and 1/2 mol of O2 (g) to gaseous atoms requires a total of approximately 150kJ of energy. The first and second ionization energies of Mg are 737kJ/mol and 1450kJ/mol respectively. The first and second electron affinities of Oxygen

*asked by Insolvable question on November 22, 2016* -
## 7th grade- Social Studies

I need help on these questions! Q.ow many brothers did Andrew Johnson have and what were their name(s)? A. I wrote Hugh and Robert but I am not sure if that is right. Q. What happened to the Johnson's home during the Civil War? A. I could not find the

*asked by Lisa on October 13, 2009* -
## geometry

PLEASE HELP WITH A FEW QUESTIONS triangle ABC has side lengths 8, 15, and 17 do the side lengths form a pythagorean triple? the length of the hypotenuse of a 30-60-90 triangle is 7 find perimeter to approach the runway, a pilot of a small plane must begin

*asked by brittany on May 23, 2012* -
## Physics Using hydrostatic equilbrium)

3. A model of Earth’s interior: Look up the radius and mass of the Earth. Radius is 6,371 km Mass is 5.974 x 10^24 kg Calculate its average density. p_e = (5.974 x 10^24 kg)/ (4/3)pi r^3 = (5.974 x 10^24 kg)/ (4/3)pi (6371)^3 = 5.54 g/cm^3 Using this

*asked by Jason on September 10, 2015* -
## U.S History - pls check my answer :)

Document E: HOUSE OF REPRESENTATIVES vote on whether to declare war against Britain STATE YEAS NAYS NORTH N.H. 3 2 MASS. 2 12 R.I. 0 2 VERMONT 3 1 CONN. 0 7 MIDDLE N.Y. 7 8 N.J. 2 4 PA. 9 11 DEL. 0 1 MD. 6 3 SOUTH VA. 14 5 N.C. 6 3 S.C. 8 0 GA 3 0 KY. 5 0

*asked by Cassidy on February 6, 2014* -
## Statisitcs

I have given you the information from 2-4 in hopes to help with the answer for #6.. Thank you! 2. Calculate the mean and standard deviation of the probability distribution created by rolling a die. Either show work or explain how your answer was

*asked by Hope on October 6, 2011* -
## application of differential equation

somebody please help me find the solution totally lost.... An object of mass 100g is thrown vertically upward from a point 60cm above the earths surface with an initial velocity of 150cm/sec. It rises briefly and then falls vertically to the earth, all of

*asked by maria on March 21, 2015* -
## Trig

1)y=1-tan(3pi-2x) Find period and phase shift 2)y=-sin(5x+3) Find amplitude,period,and phase shift 3)y=1-sin(3pi-2x)Find amplitude,period,and phase shift 4)y=2csc(2x-1)Find period and phase shift 5)Given the graph of y = sin (x), what transformation can be

*asked by Lauren on April 1, 2012* -
## physics

So I got this little sheet called Shoot the Chute To be sure you understand the preceeding question and answer, consider this one: A roller coaster is pulled to the top of a "shoot the chute" and allowed to roll down. For a bigger thrill you might wish the

*asked by Physics on March 24, 2009* -
## math

I am thinking of a two-digit number in which the sum of the digits is 9 and the number is even. These clues alone do not create one answer. Add one more clue so that there is only one answer. Both digits are divisible by 2. The difference of the digits is

*asked by Christina on October 26, 2012* -
## 5th grade math

Which pattern can describe the numbers 2,4,10,28, and so on? A. For each number after first, add 4 to previous number in the list. B. For each number after first, multiply the previous number by 3 and subtract 2. C. For each number after first, add 2 or 6

*asked by jamar on January 15, 2014* -
## Physics

A 4 kg object is suspended by a string from the ceiling of an elevator. The acceleration of gravity is 9.8 m/s2 . Determine the tension in the string if it is accelerating upward at a rate of 2.4 m/s2. Answer in units of N part 2 Determine the tension in

*asked by dale on November 28, 2014* -
## physics

A golfer takes 2 putts to get his ball into the first hole once he is on the green. The first putt displaces the ball 8.9 m east, and the second 8.32 m south. What displacement woud have been needed to get the ball into the hole on the first putt? Answer

*asked by naomi on June 23, 2011* -
## math

Posted by mota THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------- math - drwls 1000. ----------------------- explain please i want to understand this question :) this is

*asked by mota on March 2, 2008* -
## Physics

Problem 21.79 The plates of a 3.2 nF parallel-plate capacitor are each 0.25 m^2 in area. Part A - How far apart are the plates if there's air between them? Express your answer using two significant figures. Part B - If the plates are separated by a Teflon

*asked by Paige on September 13, 2011* -
## Calculus

If t is a constant and the curve y=2x^3+3tx^2+6x+131 has NO horizontal tangents, what conditions must t satisfy? (a) t >-2 (b) t < 2 (c) t > 2 (d) t < -2 (e) none of these Apparently, the correct answer is (e). So for the curve to have no horizontal

*asked by Anonymous on April 10, 2019* -
## math number story

julie arrived 20 minutes before the race began she started right on time. it took her 24 minutes to finish the 6 kilometer race. she stayed 10 minutes after the race to cool off;then she left. if she arrived at the race at9:10am,what time was it when she

*asked by austin on February 27, 2007* -
## science

a man has a mass of 80,0 kg is standing on the surface of the earth. a )calculate the magnitude of the attractive force (gravity) that the earth exerts on the man.(784n) b)how does your answer in a) compare to the magnitude of the force that the man exerts

*asked by mamare on February 28, 2016* -
## Physics

A 0.40-kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3 m on a frictionless surface. If the cord will break when the tension in it exceeds 60 N, what is the maximum speed the ball can have? How would your answer be

*asked by Matt on December 24, 2010* -
## CHEMISTRY!! NEED IMMEDIATE HELP PLEASE!!!

a. Calculate the delta H, delta G, and equilibrium constant for the reaction of methane with Cl2 to give CH3Cl and HCl. Use the following information for your calculations: Bond Dissociation Energies: CH3-H (104.8kcal/mol), Cl-Cl(59.0 kcal/mol),

*asked by Natasha on October 30, 2011* -
## Math

1. A box of crackers has a mass of p kilograms. When empty, the box has a mass of 200 grams. What is the total mass of the crackers in 5 such boxes? Express your answer in kilograms. (seems to me like the empty box part of this is there just to throw you

*asked by Anonymous on December 13, 2016* -
## 5th grade math

On Friday and Saturday, 618 people attended a car show. If the same number of people went each day,how many people attended the car show on Saturday? My answer is 1,236. Is my answer correct? If not please show me how to work this problem.

*asked by stephon on April 8, 2014* -
## science

are these correct? 1. Which of the following factors would result in a place being warmer in the summer? a. Being in the middle of a landmass b. Being located at a higher elevation c. Being located at a higher latitude d. Being near an ocean e. All of

*asked by ~ on September 13, 2018* -
## metreology lab

1. Saturated (cloudy) air at a temperature of 20 °C (68 °F) has a relative humidity of _________%. 2. Compute the relative humidity (RH) to nearest percent for each of the following atmospheric conditions: a. vapor pressure = 6 mb, saturation vapor

*asked by larry on December 31, 2015* -
## Economics

The market is considered to be _____ (black market/equilibrium/disequilibrium/non-competitive) if quantity demanded does not equal quantity supplied. I'm not sure what the answer is... I narrowed it down to either disequilibrium or non-competitive.

*asked by Anonymous on September 25, 2009* -
## Math

In a certain industry, 35% are female, 72% work full time and 18% are females who work full time. Probability that a randomly chosen employee is female and does not work full time? A: 0.18 B: 0.54 C: 0.11 D: 0.17 E: 0.098 I got 0.098 because I did 0.35 *

*asked by G on July 31, 2015* -
## Chemistry

1.Chlorine gas can be produced commercially by passing an electric current through a concentrated solution of sodium chloride (brine). The unbalanced equation is NaCl(aq) + H2O(ℓ) → NaOH(aq) + Cl2(g) + H2(g). If the brine contains 163 g of NaCl, how

*asked by Sarah on February 24, 2015* -
## Math: Optimising

cant figure out this homework question! I need to use optimisation to find the answer but I cant work it out :( There is a rectangular garden which is in need of fencing. Three sides of the 30m wide garden are already fenced. You own an additional 20m of

*asked by Fredrick on August 9, 2014* -
## math

5.is 3.671 less than 3.67 yes 6.A triangle has a base of 13 feet and an altitude of 7 feet. Find its area. 45.5 7.find the best buy on cashews a.12oz for $5.39 b.1lb4oz for $7.39 c.10oz for $4.89 d.1lb for $6.39 A. 12oz for $5.39 8.8gal7qt+3gal2qt= 6gal1qt

*asked by deedee on October 22, 2008* -
## math

A pulley with a radius of 8 inches rotates three times every five seconds. Find the angular velocity of the pulley in radians/sec (round to the nearest hundredth). Find the linear velocity to the nearst ft/hr.

*asked by Anonymous on August 13, 2012* -
## math axis of symmety

What is the equation of the axis of symmetry of the graph with the order pairs of (-2,0) and (6,0). How would I do this since? I thought perhaps I could do -2+__=6 which would be 8 then 8/2 =4 so x=4 my brother says I'm suppose to do 6-2=4/2=2 so x=2 who's

*asked by carrie on October 23, 2010* -
## Algebra 2

Can you help me set these up? 1.When 0.5cm was planed off each of the six faces of a wooden cube, its volume decreased by 169cm^3. Find its new volume. 2. The width, length, and diagonal of a rectangle are consecutive even integers. Find the integers

*asked by Jessica on September 16, 2010* -
## Calculus

Find the volume of the solid whose base is the circle x^2+y^2=25 and the cross sections perpendicular to the x-axis are triangles whose height and base are equal. Find the area of the vertical cross section A at the level x=1.

*asked by Mwe on February 7, 2015* -
## Chemistry

Use activity coefficients to find the concentration of hydrogen ions in a solution of 65.0 mM butanoic acid and 0.01 M NaCl. The ionization constant of butanoic acid is Ka = 1.52 × 10-5. Take the size of C3H7COO– to be 500 pm. Find [H+], pH, and alpha.

*asked by Jessica on March 12, 2013* -
## English

I have this question on my homework to find six pieces of figurative language and six pieces of symbolism for the book The Barcode Tattoo by Suzanne Weyn. I could only find two though- the barcode and the Whiteface Mountain. Please help. Your help is very

*asked by Allie on December 10, 2014* -
## Math math

the arch of a concrete bridge is a semi ellipse having a span of 60 ft and a central height of 20 ft. if the roadway is 25 ft above the base. find at 10 ft intervals the distance from the arch to the roadway. ( im completely lost which to solve/find)

*asked by Muhaymin on February 3, 2016* -
## Physics

A balloon of negligible mass is filled with helium gas (p=0.179 kg/m^3) until its volume is just large enough to lift a 25.0 kg load. (a) Find this volume. (b) Find the buoyant force exerted by air (p=1.29 kg/m^3) on the balloon.

*asked by Lashawn on April 24, 2013* -
## Physics

A disk in your computer spins at 5400 rpm. If this disk turns through 12 revolutions before coming to stop, find the disks angular velocity acceleration. Also find the time it takes to stop.

*asked by Kayla on June 12, 2013* -
## calculus

the line y=x-c touches the ellipse 9x^2 + 16y^2 = 144. Find the value of c and the coordinate of the point of contact. a parallelogram is defined by two sets of tangents to the curve x^2 - 4y^2 = 9. The gradients of the tangents are 1 and -1. Find the area

*asked by Kelly on June 28, 2008* -
## itt

f(x)=-3x2-12x-5 find x intercepts a. analyze the multiplicity at each intercept (where it crossed/touches the axis) determine the number of turning points find four more points to graph graph the parabola

*asked by shan on March 4, 2015* -
## geometry

Hi I really need help. I am extremley behind with some course homework for my summer courses. If someone got give the answers to the one's below, it would be greatly appreciated. Thank you so much. 1) Point G is the centroid AG = 18 AE =? 2)Given the

*asked by please please please I really need help on July 7, 2018* -
## Geometry

HOW DO YOU FIND THE HEIGHT OF A TRIANGLE??????! I am taking my SAT tomorrow morning, and i am freaking out because i haven't taken geometry for 5 years and i can't even remember how to find the height of a simple triangle! You have no idea how stressed out

*asked by Alexa on October 8, 2010* -
## math

The names and ages for each person in a family of five follow: Name Dick Jane Kirk Jean Scott Age 40 36 8 6 2 a. What is the mean age? b. Find the mean of the ages 5 yr from now. c. Find the mean 10 yr from now. d. Describe the relationships among the

*asked by Diana on January 5, 2011* -
## Geomtric Series

The midpoints of the sides of a series of a square of side 1 are joined to form a new sqaure. This procedure is repeated for each new square. a) find the sum of the areas all the squares b) find the sum of the perimeters of all the aquares

*asked by Janet on March 18, 2009* -
## Calculus

find the intervals on which f(x) is increasing and decreasing along with the local extrema. f(x)=x^4 + 18x^2 I took the derivative and got: f'(x)= 4x^3 + 36x When I set this to zero, I get the imaginary number 3i. I can't get test values for an imaginary

*asked by Leah on November 3, 2014* -
## math

Sketch f (x) = x + cos x on [-2pie,2pie ]. Find any local extrema, inflection points, or asymptotes. And find the absolute maximum and absolute minimum values of f on the given interval. i cant seem to figure out how to solve this

*asked by rudy on May 15, 2008* -
## Science

a body of mass 5 kg is thrown vertically upwards with a speed of 10m/s what is its k.e. when it is thrown find its potential energy when it reaches at highest poiint also find maximum height attained by the body?

*asked by Sharma on February 25, 2012* -
## Calculus

Find the volume of the solid whose base is the circle x^2+y^2=64 and the cross sections perpendicular to the x-axis are triangles whose height and base are equal. Find the area of the vertical cross section A at the level x=7.

*asked by Steve on March 4, 2017* -
## statistics

A jar contains 2 pennies, 6 nickels and 4 dimes. A child selects 2 coins at random without replacement from the jar. Let X represent the amount in cents of the selected coins. a. Find the probability X = 11. b. Find the expected value of X

*asked by Karen on April 13, 2019* -
## PHYSICS

A 0.181 kg mass is attached to a spring and executes simple harmonic motion with a pe-riod of 0.21 s. The total energy of the system is 1.2 J. Find the force constant of the spring. b) Find the amplitude of the motion.

*asked by JACK on November 20, 2010* -
## AP Calculus

Let R be the first quadrant region enclosed by the graph of y= 2e^-x and the line x=k. a) Find the area of R in terms of k. b) Find the volume of the solid generated when R is rotated about the x-axis in terms of k. c) What is the volume in part (b) as k

*asked by some kid on April 12, 2009* -
## Chemistry

4. Suppose there are 72.0 g of O2 available, along with the 8.08 grams of H2. Use ratios of stoichiometric coefficients to find the limiting reagent for the reaction. Then, find the theoretical yield in both moles and grams. 2H2 + 1O2 à 2H2O I got 2.25

*asked by Feather on September 13, 2014* -
## psy 220

HELP going through home CRISIS Find a peer reviewed article which discusses the effects of optimism on physical and psychological health. (You may need to find two articles in order to cover both the physical and the psychological areas).

*asked by Love on April 10, 2011* -
## Physics

A ball is thrown at 41° below the horizontal from a rooftop of height 65 m. It lands 2 s later. Find: Find: a) its initial speed b) the point of impact with the ground; m from the base of the building c) the angle at which it hits the ground. ° below the

*asked by Vivian on September 28, 2014* -
## Physics

If we examine a ball in free fall, we find that the momentum of the ball is not constant. This is not a violation of the law of conservation of momentum because A) the force of gravity acts on the ball. B) the ball experiences an external force. C) the

*asked by Crystal on November 29, 2011* -
## Physics

Two blocks (on top of one another), each of mass m = 2.4 kg, are pushed along the horizontal surface of a table by a horizontal force of magnitude 6.8 N, directed to the right. The blocks move together to the right at constant velocity. (a) Find the

*asked by Kellie on September 27, 2011* -
## Chemistry 11

What mass of iron can be obtained from 500.0g of Fe3O4? I am having a hard time getting started on this question. I think I need to find the percent of iron in the compound and then multiply that by 500.0 g. But, when I tried that I got a really wonky

*asked by Karen Zhang on March 15, 2017* -
## math

A different eight grader has been asked to work at the face painting booth every half hour. Use division to find how many eighth-graders are needed to work at the face painting booth during the fair. Show your work. I don't understand the division part,

*asked by Aswan on March 28, 2015* -
## Business Reports and Presentation

What qualities of an oral presentation are most important to you as an audience member? Explain your answer Please note that we don't do students' homework for them. Once YOU have come up with attempted answers to YOUR questions, please re-post and let us

*asked by Linda Wortham on May 17, 2007* -
## Calculus

A rectangle is bounded by the x axis and the semicircle = square root 25-x^2. What length and width should the rectangle have so that its area is a maximum? When I worked the problem out(which is a bit detailed). I started with y = square root 25-x^2 then

*asked by LittlePanda on June 6, 2015* -
## Physics

A descent vehicle landing on the moon has a vertical velocity toward the surface of the moon of 34.1 m/s. At the same time, it has a horizontal velocity of 51.1 m/s. At what speed does the vehicle move along its descent path? 1.Answer in units of m/s. 2.At

*asked by Brandon on September 23, 2015* -
## Principles of Management

Riya, a manager, calls a meeting of her subordinates to tell them about the new benefits package.Riya is performing the _______role. A. Disseminator B. Monitor C. Spokeperson D. Negotiator My answer: A 2nd question: Namibia has a law that prohibits foreign

*asked by Sabrina on February 19, 2013* -
## Math

A radioactive substance decays according to the formula Q(t) = Q0e−kt where Q(t) denotes the amount of the substance present at time t (measured in years), Q0 denotes the amount of the substance present initially, and k (a positive constant) is the decay

*asked by Vanessa on April 5, 2014* -
## Math

A radioactive substance decays according to the formula Q(t) = Q0e−kt where Q(t) denotes the amount of the substance present at time t (measured in years), Q0 denotes the amount of the substance present initially, and k (a positive constant) is the decay

*asked by Vanessa on April 6, 2014* -
## Physics

a ball of mass 0.2 kg, initially at rest, is kicked directly toward a fence from a point 20m away. The velocity of the ball as it leaves the kicker's foot is 20m/s at angle of 40º above the horizontal ground. The top of the fence is 4m high. THe kicker's

*asked by puff puff on September 17, 2006*

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