Questions Asked on
October 30, 2012

Chemistry
What is the zeff value for a valence electron in an oxygen atom? An explanation would be much appreciated.
asked by Ezra 
chemistry
What is the de Broglie wavelength in nm of a buckyball, (molecular formula C60), moving at speed 250 m/s? I don't understand how you find the mass from the molecular formula C60. The answer is 2.2*10^3nm. I tried multiplying the mass of carbon by 60, but
asked by Liana 
Math/Derivative
Can someone help me figure out the answer and..possibly show the steps.. to finding the derivative of these 3 questions.. 1. f(x)=2(e^x)  x^2 2. f(x)=e^x/(e^x +1) 3. y=10^(√x)
asked by Jes 
Physics
Consider a stainless steel annular disk with an outer radius 68mm and inner radius7.4mm. The mass of the disk is 1349 grams. The stainless steel annular disk is allowed to rotate on a frictionless table with the rotation axis at its center. The disk has a
asked by Annie 
Physics
Consider a stainless steel annular disk with an outer radius 68mm and inner radius7.4mm. The mass of the disk is 1349 grams. The stainless steel annular disk is allowed to rotate on a frictionless table with the rotation axis at its center. The disk has a
asked by Annie 
math
Mary bought some used CDs for $5 each. She spent a total of $30.
asked by Seb 
math
Jackson swims 8 laps a day for a certain number of days. He swims 56 laps in all... Model this and write an equation.
asked by Seb 
Math
A phone call costs $0.58 for the first 3 minutes and $0.15 for each additional minute. If the total charge for the call was $4.78, how many minutes was the call?
asked by Betsy 
math
Zoe spent $24 on some personalized mugs for her friends. Each mug cost $6.... model this and write an equation.
asked by Seb 
Math
Please help me, I'm having a hard time setting up this problem. George can plant a garden in 2 hours, and it takes Joyce 3 hours. They work together for 45 mins, and George leaves and Joyce finishes the job alone. How long does it take Joyce to finish
asked by Please help me 
Math
Please help me, I'm having a hard time setting up this problem. George can plant a garden in 2 hours, and it takes Joyce 3 hours. They work together for 45 mins, and George leaves and Joyce finishes the job alone. How long does it take Joyce to finish
asked by Please help me 
math
35÷b=5... write words to match the equation. Then model the equation.
asked by Seb 
physics
Child X throws 0.5 kg of Play Dough at Child Y at 0.40 m/s at the same time that Child Y throws 0.8 kg of Play Dough at Child X at 0.20 m/s. The two masses of Play Dough collide and stick. What is the resulting speed and direction of the Play Dough? What
asked by unknown 
math
there are three consecutive positive integers such that the sum of the squares of the smallest two is 221. write and equation to find the three consecutive positive integers let x= the smallest integer
asked by eddy 
calc
how would i find the derivative of these? f(x)=ln((√x)+1) and f(x)=ln(x+1/x1) thank u!!
asked by cathy 
math
Paige bought 3 pounds of almonds. She spent a total of $18. Write an equation to find how much a pound of almonds costs.
asked by Seb 
Math/Derivative
Had a few more >.< if you could possibly show steps so i know for future that would be awesome1 thanks! f(x)=√(lnx+x) and f(x)=2^(x^2)
asked by Jes 
physics
The space probe Deep Space I was launched on October 24, 1998. It's mass was 474 kg. The goal of the mission was to test a new kind of engine called an ion propulsion drive. This engine generated only a weak thrust, but it could do so over long periods of
asked by Anonymous 
math
The art room has a box of crayons at each table, with 8 crayons in each box. There are 64 crayons in the art room... write an equation.
asked by Seb 
Physics
The drawing shows three particles far away from any other objects and located on a straight line. The masses of these particles are mA = 363 kg, mB = 517 kg, and mC = 154 kg. Find the magnitude and direction of the net gravitational force acting on each of
asked by Don 
TRIG
Triangle FGH has vertices F(0, 10), G(10, 0), and HR(1, 1). After rotating triangle FGH counterclockwise about the origin 75º, the coordinates of G' to the nearest hundredth are (2.59, ?).
asked by karina602 
Physics
"A slinky that satisfies v = sqrt(T/_mu) is stretched 12m. The mass of the slinky is 0.8kg. The tension on the slinky is 4N. What is the expected wave speed?" To get mu, I divided the mass by the length then plugged that into the equal and solved for v but
asked by Kyle 
Math
How many feet are inches?
asked by Losa 
science
what is the force between two coaxially charged ring separated with distance 'd'? radius of both ring = 'R'
asked by mantosh kumar 
science
what is the force between two coaxially charged ring separated with distance 'd'? radius of both ring = 'R'
asked by mantosh kumar 
chemistry
A closed gas cylinder contains 0.500 mole H2, 0.300 mole O2, 1.200 mole CO2 at a temperature of 25 °C and a pressure of 2.00 atm
asked by mamat 
Physics
During a storm, a tree limb breaks off and comes to rest across a barbed wire fence at a point that is not in the middle between two fence posts. The limb exerts a downward force of 148 N on the wire. The left section of the wire makes an angle of 12°
asked by Don 
please help
When is the best time to read review or discussion questions? A. Immediately after you have finished all of the reading. B. After you write your notes. C. Before you begin any detailed reading. D. Throughout your detailed reading.
asked by hannah 
maths
Two spheres of radius 6 cm and 4cm are inscribed in a right circular cone.The bigger sphere touches the smaller one and also the base of cone .find the height of the cone?
asked by pradeep jangid 
biology
what is included in the special sense organs
asked by jessica 
biology
what are the different parts that comprise the musculoskeletal system
asked by jessica 
chem
when is i8t ok to use M1V1=M2V2?
asked by rebekah 
Factoring
2x^2+3x7 i cant find a zero to use synthetic division with this. They don't work. What am I doing wrong? Thanks!
asked by Rebekah 
math
the manager of a starbucks store plans to mix A grade coffee that cost 9.50 per pound with grade B coffee that cost 7.00 per pound to create a 20 pound blend that will sell for 8.50 a pound. how many pounds of each grade coffee are required?
asked by faye 
chem
which one has the highest boiling point based on its intermolecular weight: HF, NH3, HCl
asked by Draden 
chem
How many atoms are there in the following problems? which one has the most number of atoms? a. 5 molecuels (NH4)2S b. 9 molecules H2O2 c. 11 molecules O3
asked by chemdummy 
chem
How are we able to determine that jupiter is mostly methane gas and that the surface of the sun is mostly He and H? can anyone help me pls.
asked by Tracy 
chem
Why is ther no such thing as NaCl molecule? pllllsss neeed heeelp thank you
asked by chemdummy 
chemistry 101
How intermolecular forces is responsible for the phases of matter?
asked by chenchen 
chemistry
480 g of FeS2 is combined with 12.000mol of molecular oxygen. balanced chemical reaction is 4FeS2 + 11O2 > 2Fe2O3 + 8SO2 a. Which cheical will run out first? b. What mass of Fe2O3is produced?
asked by chenchen 
PERSONAL FINANCE
IF YOU WANT A RISK PROOF REAL ESTATE INVESTMENT, INVEST IN:
asked by RACHEL 
Arts and Ideas
Can the extravagance and costs, both of currency and lives, be justified in the opulent architecture commissioned by "divinely empowered" individuals of ancient cultures? Name a comparable example of opulent architecture from today's society.
asked by Meliza 
Chem
What's the formula for cobalt II nitride pentahydrate?
asked by Anonymous 
grammar action and linking verbs(mental or physica
In China, shrines honor ancestors. Is honor an a. action verb(physical)b. action verb(mental) c. linking verb d. not a verb
asked by robin 
english
We walked along the mountain path looking for unusual flowers. Looking for unusual flowers. what is the grammatical function
asked by kirstie 
statistics
Based on data from a statistical abstract, only about 12% of senior citizens (65 years old or older) get the flu each year. However, about 24% of the people under 65 years old get the flu each year. In the general population, there are 15% senior citizens
asked by Anonymous 
Math
Amber made 5 3/4 pitchers of iced tea for her friends. They drank 2/3 of the iced tea. How many pitchers of iced tea did they drink? Do I subtract to get the answer?
asked by Cherie 
Nuclear Physics
Consider an alpha particle with kinetic energy E_ (alpha) which is incident on a material. Show that the distance traveled, ∆x, by the alpha particle after it has lost an amount of energy ∆E, in the material, can be found by the following equation:
asked by A 
Nuclear Physics
Consider an alpha particle with kinetic energy E_ (alpha) which is incident on a material. Show that the distance traveled, ∆x, by the alpha particle after it has lost an amount of energy ∆E, in the material, can be found by the following equation:
asked by A 
social studies
what is climate?
asked by Anonymous 
Critical Thinking
The idea behind a comparative essay is, quite simply, that you take two or more things or ideas and compare their points of similarity or difference. For your second assignment in the Essay Series, create a comparative essay. In 12 pages, compare the
asked by Rose 
physics
A uniform rod of mass M = 0.245kg and length L = 0.49m stands vertically on a horizontal table. It is released from rest to fall. (a) Calculate the angular speed of the rod, the vertical acceleration of the moving end of the rod, and the normal force
asked by jay 
algebra
3 1 1 c + c =  4 2 7
asked by marv 
math
How much money has to be invested at 4.3% interest compounded continuously to have $19,000 after 16 years?
asked by Anonymous 
Calculus 2
The question is: n=0 E to infinity 4+sin(n)/3^n Does it converge or diverge? i'm doing this hw problem and I believe it converges according to other example? Is this the case?
asked by James 
help
A lot is in the shape of a trapezoid. The sum of the bases is 180 feet. If the area of the lot is 8,100 square feet, what is the distance across the lot, i.e., the altitude of the figure?
asked by Anonymous 
Math
Thank you Steve for your help! I need help on another question. I have to show 10/8 divided by 5/8 on a number line. I don't know how to set this up. I am lost!!! Please help to explain this. Thank you
asked by Cherie 
math
If a=8degrees, b=121degrees and c=12 units, then what is Y?
asked by mikey 
math
(rewrite of prev question) If alpha=8degrees, beta=121degrees and c=12 then what is Y?
asked by mikey 
math
If alpha= 33.5degrees, a=7.4, and b=10.6, then what is beta to the nearest tenth of a degree.
asked by mikey 
physics
What force must be applied to push a carton weighing 350 N up a 19° incline, if the coefficient of kinetic friction is 0.45? Assume the force is applied parallel to the incline and the velocity is constant. (Enter the magnitude of the force.)
asked by Tom 
chemistry
calculate number of moles of h2so4 needed to react with 25.0ml of .20M liOH
asked by Anonymous 
science
a temperature and pressure of 23.5°C and 1.05 atm, determine the volume of sulfur dioxide produced when 150.0 g of dihydrogen sulfide react in excess oxygen.
asked by Mickeykalle 
Physics Can someone please help me!!!
A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 21.0° with the horizontal. A 37.0 kg piece of luggage is
asked by Marge 
science
At a pressure of 2.00 atm, a sample of air consists of 0.20 moles of nitrogen, 0.65 moles of oxygen and 0.15 moles of argon. What is the partial pressure of the oxygen?
asked by Mickeykalle 
science
If the pressure of 20.0 mL of a gas sample is increased by 4 times and the absolute temperature is doubled, what is the new volume?
asked by Mickeykalle 
Math
In geometry class, the girl to boy ratio is 7 to 8. If there are a total of 60 students, how many boys are there?
asked by Sonja 
geography
what are the 5 largest rivers in middle and central america and their relative location.
asked by kristy 
Chemistry Lab
A 15.00 mL sample of a weak acid with Ka = 3.52x104, was titrated with 0.475 M KOH. The equivalence point was reached after addition of 19.5 mL of KOH with the phenolphthalein indicator. Determine the molar concentration of the original acid solution,
asked by Erin Lee 
math
area of a trapizoid:A==h/2(b1=b2). solve for h don't know how so solve it
asked by steph 
chem
Al(CN)3.8H2O What is it named?
asked by Anonymous 
math
Find the sum of the first 33 terms of the arithmetic sequence whose first term is 3 and whose 33rd term is 253
asked by Anonymous 
math
Area of a rombus: A=1/2d1d2. Solve for d1
asked by steph 
Chemistry
Assuming that the smallest measurable wavelength in an experiment is 0.330 fm (femtometers), what is the maximum mass of an object traveling at 157 m·s^–1 for which the de Broglie wavelength is observable? mass = ? kg I know the formula but I don't know
asked by Anonymous 
college physics
When the displacement of a mass on a spring is one half of the amplitude of its oscillation, what fraction of the total energy is kinetic energy?
asked by mezo 
College Physics
At t=0 the current to a dc electric motor is reversed, resulting in an angular displacement of the motor shaft given by theta(t)= 258t  20.4t^2  1.47t^3 How many revolutions does the motor shaft turn through between the time when the current is reversed
asked by Lizzy 
math
Find the inflection point(s), if any, of the function. (If an answer does not exist, enter DNE.) g(x)=9x^34x
asked by Britney 
science
If Wire A has a poterntial difference of 50V across it and carries a current of 2A. Wire B has a potential difference of 100V across it and also carries a current of 2A. Compare the resistances, rate of flow of charge, and rate of flow of energy in the two
asked by ann 
physics
An object's velocity vector and linear momentum vector are always... a)parallel b)antiparallel c)perpendicular d)none of the above
asked by barry324 
Phyiscs
True or false: When a system consists of several objects, each with their own mass and velocity, the linear momentum of the system as a whole is simply the product of the system's total mass and the velocity of the system's center of mass.
asked by Angelena 
Physics
Which of the following statements are true? Select all that apply. Impulse has units of mass times velocity. During a collision, an object's linear momentum is equal to the magnitude of the impulse. The impulse of a collision is equal to the duration of
asked by melinda47 
Physics
You are working out on a rowing machine. Each time you pull the rowing bar (which simulates the oars) toward you, it moves a distance of 1.2 m in a time of 1.4 s. The readout on the display indicates that the average power you are producing is 78 W. What
asked by Orla 
Geology
Is sledding done better when the air temperate is 25 degrees Fahrenheit or 0 degrees Fahrenheit? Why?
asked by Christine 
physics
Starting from rest, a 75 kg skier slides down a 17.0° slope. If the coefficient of kinetic friction between the skis and snow is 0.120 and it takes 16.9 s to get to the bottom, how long is the ski trail? (Use g = 9.8 m/s2.)
asked by Ashley 
ENGLISH II PLEASE HELP!
Buy, sell, and trade on the Internet, and become a millionaire overnight! Which propaganda technique is used in this sentence? bandwagon glittering generalities faulty cause and effect snob appeal
asked by nicole 
algebra
what is a domain and what is the range
asked by muzi 
ENGLISH II HELP PLEASE!!
Which type of faulty logic does this sentence contain? Although the cheeseburger is the most soughtafter item on our menu, it is really difficult to manage the crowd in the driveup lane because of the high demand; so, the cheeseburger should be taken off
asked by nicole 
Geology
If glaciers worldwide were to melt, would temperature around the glacier rise, fall or remain the same as the glacier was melting?
asked by Christine 
Physic
A 10 kg particle moving along the xaxis experiences the force shown in figure. The particle goes from v=1.0m/s at x=0 and v=5.0 m/s at x=2. What is the f max?
asked by J 
math
Ten facedown cards spell the word "phonograph" one of Thomas Edison's most famous inventions. If you draw one what is the chance of drawing a. a vowel? b. a letter of the alphabet?
asked by Anastasia 
englsihh 2
Which propaganda technique is used in this sentence? Pure, fresh, real apple juice, packaged to deliver the freshness of nature straight to you. A snob appeal B transfer C bandwagon D glittering generalities
asked by miley 
Math {ASAP}
Alex gets to work by biking to the train station, riding the train, then walking. His entire trip to work is 15 miles. If he bikes 1/3 of the way and walks 1/5 of the way, how many miles did he travel on the train?
asked by Frances Salome 
french
How would u put the sentence. La mere de Sylvie prepare une fete pour les amies de sa fille in futur proche?
asked by Anonymous 
Lang. Arts
2. Read the following excerpt from “Signed, Sealed, Undelivered.” Writing letters that will never be read frees you to say anything at all. You can write to those people whose petty meanness stung you or whose significant cruelties really hurt you.
asked by Jman 
Physics Inertia!
Rank from fastest to slowest. a)a solid ball rolling down a ramp without slipping b)a cylinder rolling down the same ramp without slipping. c)a block sliding down a firctionless ramp with the same height and slope. Select all that apply. The ball is
asked by Kaitlyn 
SAT Essay
Assignment: Should people take more responsibility for solving problems that affects their communities or the nation in general? Plan and write an essay in which you develop your point of view in this issue. Support your problems with reasoning and
asked by Sanya 
social studies
what city is 36 degrees north and 106 degrees west
asked by diamond 
physics
A spherical generator is used to produce a 15.00D surface on glass of refractive index 1.80. The diameter of the cutting tool is 80mm and the radius of the cutting surface is 4mm. What is the angle between the axis of the tool and the axis of the lens?
asked by Elena please help! 
management
I need help on finding what Merck's technological advantages are. PLease help
asked by Patiance 
math
Carman wants to cut 3/4 inch peices from 62 long inch wire. How many 3/4 inch peices will she have?
asked by Bob 
Chemistry
Assuming that the smallest measurable wavelength in an experiment is 0.330 fm(femtometers), what is the maximum mass of an object traveling at 157 m·s^–1 for which the de Broglie wavelength is observable? mass = ? kg Chemistry  DrBob222, Monday,
asked by Anonymous 
Chemistry
Assuming that the smallest measurable wavelength in an experiment is 0.330 fm(femtometers), what is the maximum mass of an object traveling at 157 m·s^–1 for which the de Broglie wavelength is observable? mass = ? kg Chemistry  DrBob222, Monday,
asked by Anonymous 
Chemistry
The energies, E, for the first few states of an unknown element are shown here in arbitrary units. n 1 E 11 n 2 E 5 n 3 E 2 n 4 E 1 n ... E ... n infinite E 0 A gaseous sample of this element is bombarded by photons of various energies (in these same
asked by Anonymous 
math
a contractor is considering a sale that promises a profit of $20,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $10,000 with a probability of 0.3. What is the expected profit?
asked by A 
chem
which one has the highest boiling point based on its intermolecular weight: HF, NH3, HCl
asked by chenchen 
chem
How many atoms are there in the following problems? which one has the most number of atoms? a. 5 molecuels (NH4)2S b. 9 molecules H2O2 c. 11 molecules O3
asked by chenchen 
chem
How are we able to determine that jupiter is mostly methane gas and that the surface of the sun is mostly He and H? can anyone help me pls
asked by tracy 
math
What is the selling price of a Television marked $600.00 if two discounts of 20 percent and 5 percent are given? (First figure 80% of 600. Then 95% of the result.) (Am I on the right track?) 0.80*600= $480.00 then 0.95*480.=$456. Marked price $600.00 fisrt
asked by booker 
history
If you were a reformminded person who, above all, loathed the social problems associated with alcohol, you would have been especially sympathetic to the A. evangelical efforts of Dwight L. Moody. B. Comstock Law. C. WCTU. D. Mugwumps.
asked by Anonymous 
Math Hurry!
Gabriela traveled by motorcycle at an average speed of 17 miles per hour. Then, she traveled by car at an average speed of 12 miles per hour. In total, she traveled 56 miles for 4 hours. How many miles did Gabriela travel by car? (Round to the nearest
asked by Sonja 
math 4
jacks dad is tiling his shower.on one wall, he will use 9 rows of 14 tiles. the 4 center tiles in the top 2 rows will have a special design on them. how many of the tiles will not have a design on them?
asked by stephie 
MATH
In a study 42% of adults questioned reported that their health was excellent. A researcher wishes to study the health people living close to a nuclear power plant. Among 13 adults randomly selected from this area, only 3 reported that their health was
asked by M 
Physics Elena please help!
A luggage carousel at an airport has the form of a section of a large cone, steadily rotating about its vertical axis. Its metallic surface slopes downward toward the outside, making an angle of 21.0° with the horizontal. A 37.0 kg piece of luggage is
asked by Marge 
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 
for ms. sue
Some of my post are being erased, does that mean that im about to be banded? I didn't say anything bad.
asked by Jman 
Physics
Supposed that you are on a planet, which has an average radius 1*10^9m and average density 7.4kg/m^3. Assuming that it's a perfect sphere, find the mass of the planet.
asked by Scoop 
algebra 1
Solve the following systems of linear equations using any algebraic method.If possible,check your solution. 1)2x+5y=3 X3y=7 2) 3y=112x 3x=y11 3)8x6y=14 12x9y=18
asked by Janet 
HOW TO STARE YOUR DAY CARE FACILIY
THE LARGEST NON PROFLT ASSOCIATION IN THE UNITED STATES REPRESENTION EARLY CHILDHOOD EDUCATION IS THE
asked by jo 
organic chem
what is the exact weight of cucl2 added to 100ml of 2*10^4 M solution of tetraphenylporphin
asked by Anonymous 
Physics
The escape velocity on Planet X is the speed the rocket needs in order to never fall back down again in a universe in which X is the only object. In order for the rocket to not fall back down, its velocity to never become negative, how far away does the
asked by Scoop 
8th Grade Math
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?
asked by Anonymous 
Math
Three vertices of a quadrilatral are (1 1), (1, 2), and (5, 1). What are the coordinate of two vertices that will form two different parallelograms?
asked by Arianna 
physics
A 67.5 kg hoop rolls along a horizontal floor so that its center of mass has a speed of 0.090 m/s. How much work must be done to stop it?
asked by tom 
MATH!!!! PLEASE HELP
Monico needs to mix a 40% ethanol solution with a 60% ethanol solution to create 100 millileters of a 54% solution. How many millileters of each solution must Monico use?
asked by Anonymous 
Algebra
Two trains, one express and one local, leave Indianapolis at noon and head for Chicago 220 miles away. The express travels twice as fast as the local and arrives 2 hours ahead of the local. Find the speed of each train.
asked by Jane 
finance
If the principal P=800, the interest I= 384, and time t = 6 years, find the following: What is the rate? What is the future value?
asked by stacy 
algebra
Chellise saves one fifth of her allowance and spends two thirds of her allowance at the mall. What fraction of her allowance remains?
asked by Diamonique 
8th Grade Math
Johanna carves a square block of wood that has on one side an area of 872 square inches. To the nearest integer, what is the length of the side?
asked by Anonymous 
algebra
square root ( 2x+1) +x=7
asked by Felicia 
Calulus 2
Solve the differential equation: dy/dx = y^2 + y
asked by Heather 
physics
Use energy methods to find the speed of a 2.0kg block just before it hits the flor if the coefficent of kinetic energy of the 3.0kg block and the table is 0.15m
asked by Guy 
science
umm is all light energy from the sun?Explain
asked by emily 
History
Why did some Americans advocate isolationism? They thought Europe should deal with its own problems The U.S. was still reeling from the Great Depression and couldn't afford to get involved The Monroe Doctrine forbade intervention in foreign wars They
asked by anonymous 
algebra
Corey found the exact volumes of four different drinks. The results are recorded below. Gatorade..... 20.7 pepsi...... 20 3/4 Sprite...... 20.68 Powerade.... 20 11/20 A. Arrange the drinks in order from least to greatest volume B. Use what you know about
asked by Diamonique 
college physics
A ball is thrown from a 20.0m high building and hits the ground 6.0m from the building. With what horizontal velocity was it thrown?
asked by Gee 
college physics
A 3rd baseman is throwing a ball to 1st base which is 39.0m away. It leaves his hand at 38.0m/s at a height of 1.50m from the ground and makes an angle of 20 Degrees. How high will it be when it gets to 1st base.
asked by Gee 
math
Jim has two hens. Betty the hen lays an egg every 3 days and Ellie the hen lays one every 5 days. They both laid eggs yesterday. How many days will it be before they both lay eggs on the same day?
asked by cortez 
Steve
Look at my last post
asked by Jman 
college physics
A cannonball shot at an angle of 60 Degrees had a range of 196m. What was its initial speed?
asked by Gee 
college physics
A cruise ship of seniors is moving due west with an engine speed of 60km/hr when it encounters a current from the North at 20Km/hr. What is its relative velocity due to this current? (speed and angle) What course correction does it need to continue due
asked by Gee 
Math
How to convert a whole number into a mixed number?
asked by Jerald 
Physics
A star rotates in a circular orbit about the center of its galaxy. The radius of the orbit is 6.2 x 1020 m, and the angular speed of the star is 4.3 x 1015 rad/s. How long (in years) does it take for the star to make one revolution around the center?
asked by Maggie 
physic
11. What is the acceleration of a 4000 kg airplane that has a force on it of 24,000 N
asked by alisa 
Physics
A boy wishes to throw a rock into the river below the cliff where he is standing. The cliff is 50 M high and he can throw with a horizontal velocity of 30 m/s. how long does it take for the rock to reach the water? How far, in the horizontal direction,
asked by Allison 
Steve Math
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 
Math
1. 5  3 4/7=1 3/7? 2. 8  2 3/8=5 5/8? 3. 6 1/3  2 2/3=3 2/3? 4. 7 1/3  4 1/2=2 5/6? 5. 11 2/7  5 2/3=5 13/21? 6. 12 1/6  4 3/8=7 19/24?
asked by Jerald 
math
we have to find the coordinate point
asked by brianna 
math
Divide the rectangle by tens and onesfor each factor 22x11
asked by Anonymous 
Biotech
The dynamic method is used to measure kLa in a fermentor operated at 30degC. Data for dissolvedoxygen concentration as a function of time during the reoxygenation step is given (table with time (s) and CAL (% air saturation)). The equilibrium
asked by MGob 
Math
Seth has already walked 5/8 mile. It takes 1 3/8 miles to get to school. How much farther does he have to go? 3/4? Aviva needs fresh lemon juice to make cheesecake. She bought 2 lemon but needed only 1 1/4 lemons for the amount of juice she needs. How much
asked by Jerald 
Differential Equations
A government agency has a current staff of 5000, of whom 25% are women. Employees are quitting randomly at the rate of 100 per week. Replacements are being hired at the rate of 50 per week, with the requirement that half be women. Interested in the rate of
asked by bryant 
$Math$
In scale drawings, how do you find the length of an object that is 60ft, and in the problem 1inch = 8 feet?
asked by $Ty$ 
Math
How do you solve tan theta = 3 for 0 < theta < 2pi? Answer is 1.89 and 5.03 I am unsure on how that answer was obtained
asked by V. 
General Chemistry 1 college class
The tomato is dropped. What is the velocity, , of the tomato when it hits the ground? Assume 82.7 of the work done in Part A is transferred to kinetic energy, , by the time the tomato hits the ground. Express your answer numerically in meters per second
asked by Taylor 
math
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. a. 1 foot b. 2 feet c. 3 feet d. 4 feet I doubled checked and the problem is correct. I just
asked by Larry 
Math
16^x=64
asked by Taylor 
calculus
Find any critical numbers of the function h(x)=sin^2(x)+cos(x) 0 < x < 2π
asked by Anonymous 
management
can you please help me found the information for this question: how has globalization affected merck's business strategies
asked by Patiance 
math
The scale factor for two similar rectangles is 3. If the area of the smaller rectangle is 8 m2, what is the area of the larger rectangle? (1 point)24m2 192m2 72m2 108m2
asked by shann 
Chemistry
Please help me, determine the molarity of a solution containing 2.5 moles CuSO4 in 4.2 L of water
asked by phyllis 
Math
An SUV can accelerate from 0 to 60 mph in 10 59/100 seconds. A sports car takes 9 86/100 seconds to get from 0 to 60 mph. How much faster does the sports car get to 60 mph? I'm not sure about this one but I think 127/100. Is there suppose to be a whole
asked by Jerald 
Computer Science
public class RandomPhoneNumber { public static void main(String[] args) { int num1=(int)(Math.random()*7); int num2=(int)(Math.random()*7); int num3=(int)(Math.random()*7); int set1=(int)(100+Math.random()*642); int set2=(int)(1000+Math.random()*8000);
asked by Sarah 
Physics
At planet X, there is another planet called Y about 34 million light years away. The radius of planet X is 1 * 10^9 m. How far away from the center of the planet X is the planet Y in meters?
asked by Scoop 
Math
In 2000 17 million workdays were lost due to strikes and labor disputes. In 2001 there were only 1 1/5 million days lost. How many more workdays were lost in 2000? 15 4/5?
asked by Jerald 
elementary
write your own sentence using the words: me
asked by josh 
Math
Is this statement congruent and why? Is 83 to 144 power = 15 to the 144 power (mod 17)
asked by JimmyPlease HELP 
Math
What is 10 over 26 simplified
asked by Anonymous 
Statistic
Your microbrewery is not producing beer quickly enough. You have been conducting an experiment on the relative growth rate of the two yeast types by measuring the turbidity, using absorbance units, of the growth medium. You obtained the following two data
asked by Jerome 
Steve 3 more questions.
18.Cinema A sells a twelvepack of movie passes for $66. Cinema B sells a fivepack of movie passes for $28. a. Find the cost per movie pass for each cinema. Which offer is cheaper per movie pass? b. How much do you save per movie pass if you choose the
asked by Jman 
Physics
An object turns without changing its speed. Which of the following is true? a) No net force was necessarily acting on the object b) A new force must have been acting on the object. c) Both of the answers above are possible I'm thinking that the answer is
asked by Alex Baker 
math
explain how to do arrays and an expanded algorithm
asked by rosemary 
mis
Choose one of the following basic business processes: inventory management, operations and manufacturing, HR management, or accounting/financial management. Use the Internet to identify three vendors that license a product to support that process. Compare
asked by julio 
math
penny put 5 dounts in one pack how many packs will she have in 2587
asked by princess 
Math 115
The area of a parallelogram is 3.36 square feet. The base is 2.8 feet. If the measures of the base and height are each doubled, find the area of the resulting parallelogram.
asked by Sue 
Physics
An object m is released from the top of an inclined, frictionless plane that is inclined at angle theta with the horizontal. The top of the ramp has height h. Which of the following would change the acceleration of the object if it were released from the
asked by Bob Loblaw 
Statistic
You have been screening compounds with the Ames test to determine if they are mutagenic. If a compound is mutagenic, more colonies will grow in the presence of the mutagen. You have obtained the following data from triplicate samples: Number of mutant
asked by Jerome 
English
Please helpme identify the simple predicate in the sentence... This bestselling novel is unavailable for the next three weeks. choices.. a  is b  is unavailable for the next three weeks c  novel I think it is unavailable but that's not one ofthe
asked by Deborah 
algebra 1
micheal earns 6% commission on his sales. If he earned $1,800 in commission, how much equipment did he sell?
asked by dylan 
Physics
A person is riding a bicycle, and its wheels have an angular velocity of 17.7 rad/s. Then, the brakes are applied and the bike is brought to a uniform stop. During braking, the angular displacement of each wheel is 12.4 revolutions. (a) How much time does
asked by Maggie 
Statistic
You are the microbiologist at a national food processing chain. Two independent subcontractors are bidding to produce your latest food item that should really boost sales. It is your job to determine which plant should get the bid based on their microbial
asked by Jerome 
Math
What is 35 13/18  24 7/18 (by the way 13/18 and 7/18 are fractions)? Am i right, i think it is 11 6/18.
asked by Anonymous 
math
I am moving to a new house. My old house is 3 kilometers from my new house. How many meters is the old house from the new house?
asked by william 
Adv Comp
I need help coming up with a title for a review on the documentary Wordplay. I wrote about how the documentary give a lot of great information, but lacks a compelling plot throughout. I really wanted to make the title interesting by adding actual wordplay
asked by Rebekah 
Website Design
I helping my friend to make personal website of like 10 pages. do anyone know any url of websites that have good design? my friend use it to get better idea.
asked by Mohammad 
Physics
A(n) 95.7 kg boxer has his first match in the Canal Zone with gravitational acceleration 9.782 m/s2 and his second match at the North Pole with gravitational accelera tion 9.832 m/s2.
asked by Sarah 
Math
Round to the nearest whole dollar. $473.28
asked by Ryan 
science(please help)
Which of the following has the greatest effect on the formation of rain or snow? A)cloud cover C)air pressure B)humidity D)temperature My answer is C) am i right, if not please tell me what you got.
asked by May 
Physics
The block pictured below is sliding upward on the incline with theta=25. the coefficient of friction between the block and the incline is 0.15. of the block has a speed of 5 m/s at the bottom of the incline, how far upward will it slide before it stops?
asked by Alex Baker 
Physics
A(n) 95.7 kg boxer has his first match in the Canal Zone with gravitational acceler ation 9.782 m/s2 and his second match at the North Pole with gravitational accelera tion 9.832 m/s2. a) What is his mass in the Canal Zone? Answer in units of kg b) What
asked by Sarah 
Calculus 2
Solve the differential equation: dy/dx = y^2 + y
asked by Heather 
History
Why did the British view colonial taxes as fair? Why did colonists argue British taxes were unfair?
asked by Lily 
ap chemistry
A 4.47 g sample of a molecular compound is dissolved in 96 g of tetrachloromethane. The normal boiling point of the solution is 61.51 degrees celcius, the normal boiling point for CCl4 is 61.2 degrees celsius. The boiling point constant for CCl4 is
asked by emily 
Algebra 1
What is an equivalent fraction to: 0.5(12z7)3.5z+3.5 I NEED HELP!!!
asked by Caitlyn 
P.S
Explain how parachute works?
asked by Lily 
Biology
In humans, W=widows peak while w=normal hair line and A=attached earlobes while a= unattached earlobes. A heterozygote in both traits reproduces with a similar heterozygote in both traits. What is the chance of any one child having the same genotype of the
asked by Amanda 
math
is 0.14 equal to 0.104
asked by Marcus 
Evolutionary Bio
I was wondering if someone could explain to me how two haploid mating types can form a diploid. Also could someone explain the haplodiplontic life cycle? I would very much appreciate it.
asked by Ezra 
physical
Adult cheetahs, the fastest of the great cats, have a mass of about 74 and have been clocked at up to 70 (31 ).
asked by Anonymous 
Algebra 1
What is an equivalent fraction to: 1/4(20z+10)+1/2z2 1/4. I don't understand this.
asked by Caitlyn 
Math
You have 3 1/3 yards of ribbon. You want to cut the ribbon into pieces to make bows. Each bow uses 4/5 yard of ribbon. How many bows can you make?
asked by Rashna 
English ms. sue
ms. sue i need help with this poem why it be opposite of what it mean? This was a day when nothing happened, the children went off to school without a murmur, remembering their books, lunches, gloves. All morning, the baby and I built block stacks in the
asked by Mohammad 
Physics
A bicycle has wheels of radius 0.32 m. Each wheel has a roatational inertia of 0.080 kg•m^2 about its axle. The total mass of the bicycle including the wheels and the rider is 79 kg. When coasting at constant speed, what fraction of the total kinetic
asked by Anonymous 
Chemistry
What determines whether or not the majority of acid is in the protonated form in solution? How does this incorporate both the pH of the solution and the pka of the acid?
asked by Cristian 
science
Which of the following has the greatest effect on the formation of rain or snow? A)cloud cover C)air pressure B)humidity D)temperature My answer is C) am i right, if not please tell me what you got.
asked by lidia 
Art
what is this question asking exactly? It is: How will art evolve from today's styles. Ty.
asked by Anonymous 
math
girl is 6 feet tall and a pine tree next to her is 42 feet tall and casts a shadow that is 28 feet. how long is the girls shadow
asked by cole 
math((PLEASE HELP!))
7+l/5=4 463t=23 6+a/4=8 6h+24=0 5b23=9 153e=6 15w4=41 6s+3=27 14o17=39 n/32=8
asked by Emily 
6th grade Math
Please help me with this problem, i don't understand how to do it. Thank you How many rectangles can you build with a prime number of square tiles?
asked by tl4399 
Math
high temperatures for each day from Monday through Thursday were 42 degrees Fahrenheit, 37 degree, 44 degrees through Friday was 41 degrees Fahrenheit. Fridays low temperature was 4 degrees less than its high. What was Friday's low temperature?
asked by Lean 
Math
[2a + 3b] [2a  3b. May you please explain the steps if you can.
asked by Sasha 
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 
science
presto abracadabra, first one then another. who am i?
asked by Lola 
Algebra Ms. Sue please help
Tiffanny has 100 coins in dimes and nickels. She has a total of $5.80. How many of each coin does she have. Write the equations then solve.
asked by Rayyan 
math
how many cattle are ther eon the lazy circle doubleo bar four square ranch?
asked by noname 
social studies
need help in filling in a diagram sea of air layers of atmospher
asked by cody 
Grammar
Recreational boaters in Florida believe the manatee population has increased; however, enough environmentalists disagree. Is the punctuation correct in the above sentence?
asked by Dakota 
Math
Find the number of decibels for the power of the sound. Round to the nearest decibel. A rock concert, 5.35 106 watts/cm2 D =______ dB
asked by Ms. Jackie 
MATH
FAITH HAS A TRIANGULAR SANDWICH AND ONE SIDE THAT IS 4IN LONG AND ANOTHER SIDE IS 3 IN WHAT IS THE RANGE OF THE THIRD SIDE
asked by LISA 
Math
Evaluate the limit. Verify your answer by using a table of values or a graph. lim [radical(3+x)radical(3)] / x x>0
asked by Anonymous 
Algebra
The length of a rectangular playground exceeds twice its width by 25 meters, The perimeter of the playground is 650 meters. Find the demensions of the playground.
asked by Chris 
Algebra
At its grand opening, the gutherie market distributed two different types of souvenirs. One type costs 20 centseach, and the other type costs 25 cents each. One thousand souvenirs were distributed in all. If the cost of these souvenirs was $220, how many
asked by Chris 
Algebra
Tina's change of $1.35 consisted of quarters and dimes only and she received twice as many dimes as quarters. How many dimes were there?
asked by Chris 
Math
Rafik counted the amount of money in his coin bank and wrote down the total. The amount was more than $12 but less than $13. The next day, he added a penny to the bank. To show the new total, he had to change exactly two digits in the old total. What are
asked by Wendy 
7th grade math ASAP please
Help please i don't understand 2, 4, and 10 quick please thanks 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
asked by Delilah 
Math
I know that year 2010, the population is 38.447 million and year 2011, the population is 38.935 million. The formula given: A=36.1e^(0.0126*t) Determine the population in 2010 and 2011 to nearest thousand people. Use these values to determine the increase
asked by Melia 
math
tulips are planted every four feet on a rectangle the sides are 16 feet and 12 feet how many tulips are there?
asked by collin 
english
instead of hiring a lawyer, the defendant will__________ to plead her own case in court.
asked by daisy 
Math
Use the definition of logarithm to simplify each expression. (a) log6b(6b) (b)log8b((8b)^6) (c)log11b((11b)^9)
asked by Ms. Jackie 
Physics
If a disk and hoop are released simutaneously 1.0m above the ground at a 30 degree incline which one will reach the bottom faster? Show mathematically.
asked by Anonymous 
Algebra
Polly has 8 more nickels than quarters. if she has $3.40 how many of each does she have?
asked by Rayyan 
Geometry
A farmer wants to fence in a rectangular pen using the wall of a barn for one side of the pen and 115 feet of fencing for the remaining 3 sides. What dimensions will give her the maximum area for the pen?
asked by Jammy 
math
There were 72 visitors to a website in an hour. This is 14 more visitors than in the previous hour. Write an equation to find the number of visitors to the website in the previous hour.
asked by Seb 
math
Cody has 6 times as many bottle caps in his collection as Rebecca. Cody has 36 bottle caps. Write an equation to find the number of bottle caps Rebecca has, c.
asked by Seb 
Intro to Physics
A uniform hoop and a disk, having the same mass and the same radius, are released simultaneously from rest at the top of a ramp. Which object reaches the bottom of the ramp first? The ramp is 1.0meter high. The incline of the plane is 30 degrees. Assume no
asked by Anonymous 
math((PLEASE HELP!))
7+l/5=4 (n/3)2=8
asked by Emily 
english
Animals Possess sensory powers that humans lack. Homing pigeons fly with great speed and accuracy when 1)___(e)d with messages to faraway places. How do Pigeons 2)___ themselves in unfamiliar regions? This remains something of a(n) 3)___. The mystery,
asked by cha 
accounting
The trial balance of Bair Company includes the following balance sheet accounts. Identify the accounts that require adjustment. For each account that requires adjustment, indicate (a) the type of adjusting entry (prepaid expenses, unearned revenues,
asked by cherry 
English
Her responsibilities include assisting other tasks as required / assisting with other tasks as required Which one is correct?
asked by Janice 
math
Tess adds 16 drops of yellow food coloring to a batch of frosting. This is 4 times the number of drops of red food coloring she added. Write an equation that shows how to find the number,r, of drops of red food coloring Tess added.
asked by Seb 
Physics
Traveling at a speed of 15.9 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.700. What is the speed of the automobile after 2.00 s have elapsed?
asked by Anna 
Programming
Read two numbers from the keyboard Display the menu options as follows: 1  computes the sum of two numbers. 2  computes the difference (first minus second). 3  computes the product of the two numbers. 4  if the second number is not zero, computes the
asked by Shawn 
Math
How do i find a polynomial whose value will be 1 if you substitute 3 over 2 for x.
asked by johnation carter 
Math
Write the expression in terms of natural logarithms. (Express all logarithmic functions in terms of In(x) in your answer.) log[8.4](112)=
asked by Ms. Jackie 
math
Sharon is dividing her polished rock collection into bags. Each bag contains the same number of each color of rocks. She is placing the green and blue rocks into the same bags. How many rocks will be in each bag?
asked by Anonymous 
english
She possess a can do attitude. Is this sentence correct?
asked by Sam 
Math
Are all statements that are true. (a) log(A)/log(B)=In(A)/In(B) (b) In log[b](N), the exponent is N. (c)If 2log[3](81)=8, then log[3](6.561)=8 (d)log[b](N) negative when N is negative. (e)In(x/2)=In(x)/2
asked by Ms. Jackie 
physics
If a cat chases a mouse for 1.15 s whail covering a distance of 19.6 m, what is the velocity?
asked by Neeed help 
Math
Are all statements that are true. (a) log(A)/log(B)=In(A)/In(B) (b) In log[b](N), the exponent is N. (c)If 2log[3](81)=8, then log[3](6.561)=8 (d)log[b](N) negative when N is negative. (e)In(x/2)=In(x)/2
asked by Ms. Jackie 
Business English
I have a positive attitude, even with boring tasks, I still get the job done./or I never complain. How can I phrase this into a more professional way? Thanks.
asked by Ali 
7th grade math
Determine if the situations represent proportional relationships. Explain. 1. Gina can buy 1 bottle of shampoo for $2.95 or 2 bottles for $4.50.
asked by Cassidy 
poem
I have this poem that I was working on and I used the word "derived" and from my understanding it means to obtain. So i was wondering if this sentence made sense with the word. "No more will I let you fill my head with stories you've inbedded, that rest
asked by Curiousity killed the cat 
Algebra
The solution set for 6x^311x^29x1=0
asked by zach 
Writing
What is another way I could say "home"? I am trying to use the word to describe a place where someone feels comfortable and at ease and in place but the word home sounds awkward.
asked by Kendra 
Organic Chemistry
An expanded structural formula shows all the atoms of the molecule and all the bonds between the atoms in the molecule. Draw the expanded structural formula for 1,3dichlorocyclopentane. Draw the structure by placing atoms on the grid and connecting them
asked by Brittany 
geometry
Lp=2x om=4x+30 and pm=50
asked by mona 
Physics
A ball rolls off a tabletop 0.900 m above the floor and lands on the floor 2.60 m away from a point that is directly under the edge of the table. At what speed did the ball roll off of the table? I would really appreciate it if someone could explain to me
asked by Haley 
English
Links to find the answer to this? Help?: Discuss the structure used by the King. How does he choose o put his letter together and how does this lead to a better understand of the ussues he has and the solution he is proposing. Cite at lesat three eamples
asked by Martin Luther King Junior 
government
How many years the member of australian cabinet hold their position? After 3 years there will be a election at house of representative does it also include the changes of the cabinet member? but how about the election of senate member? im sorry i really
asked by bell 
Physics
What would be the final temperature of a mixture of 80 g of 25 c water and 150 g of water at 75 c?
asked by Charity 
chemistry
what mass of silver bromide will form when 25.00 mL of a 0.0675 M MgBr2 solution is combined with mL of 0.100 M AgNO3?
asked by Lisa 
project
meaning of enviromental problem
asked by sarpangri 
letter
John has demostrated the ability to work under pressure in the prescence of tight deadlines and demanding workload. I am writing a reference letter, how can I make this sentence better?
asked by Johnson C. 
Physics
A 46.4N force is applied to the outer edge of a door of width 1.26 m in such a way that it acts (a) perpendicular to the door (b) at an angle of 43.0 degrees with respect to the door surface, (c) so that the line of action of the force passes through the
asked by Anonymous 
Computer Science
Given three Strings, str1, str2 and str3, return the longest String. If all three Strings have the same length, return "same". There will not be a tie between two longest Strings. longestString("apple", "banana", "pear") → "banana" longestString("one",
asked by S 
Spanish
Preterite vs. Imperfect I'm just trying to clarify the differences. For example: 1. The food was deliciousimperfect? 2. The house was very bigimperfect? 3. The bump on his head was a tumorimperfect? Are these right? or should they be preterite?
asked by Teddy 
social studies
Can you help me? I am stumped! We are supposed to use our book to fill in the answers. This is the questions I need your help with 1. A (n) is a state's or a country's system of producing, and consuming goods and services. My answer is economy, but our
asked by Reed 
Calculus
A farmer has 120 meters of wire fencing to make enclosures for his pigs and cows. The rectangular enclosure he is considering will have one side up against a barn (in the center of one side that is 150 meters long, so the enclosure won't require fencing
asked by Shelby 
Calculus
1. Locate the absolute extrema of the function f(x)=cos(pi*x) on the closed interval [0,1/2]. 2. Determine whether Rolle's Theorem applied to the function f(x)=x^2+6x+8 on the closed interval[4,2]. If Rolle's Theorem can be applied, find all values of c
asked by Cynthia 
Calculus
1. For the function f(x)=4x^330x^2+4: a) Find the critical numbers of f(if any); b) Find the open intervals where the function is increasing or decreasing; and c) Apply the First Derivative Test to identify all relative extrema 2. For the function
asked by Rudy 
Math
write an algebraic expression then evaluate, given n=2 5 less than the quotient of 10 and a number is the answer (10 / 2)  5 = 0
asked by Kyle 
math
Your store’s average basket (transaction) size for the month of March was $11.50 and you believe the average basket size will remain the same for your store in April. One of your hourly employees had an average basket size of $9.00 for the month of March
asked by kay 
Social studies
How many percent of kids go trick or treating on Halloween Day in the USA or in another country?
asked by rfvv 
math
$16 added to an amount of money saved, s, then spend equally on 3 items
asked by edgar 
Calculus
1. Find all relative extrema of the function f(x)=x^(6/7)3. Use the Second Derivative Test where applicable. 2. Find all relative extrema of the function f(x)=2x^416x^3+4. Use the Second Derivative Test where applicable.
asked by Rudy