Questions Asked on
February 2, 2011

Calculus
A ball is shot straight up into the air with initial velocity of 47 ft/sec. Assuming that the air resistance can be ignored, how high does it go?
asked by Anonymous 
KUSSSESSS
Consider a wire of length L = 0.30 m that runs northsouth on a horizontal surface. There is a current of I = 0.50 A flowing north in the wire. (The rest of the circuit, which actually delivers this current, is not shown.) The Earth's magnetic field at
asked by anip 
PHYSICS
A warehouse worker pushes a crate along the floor, as shown in the figure , by a force of 10.0 N that points downward at an angle of 45.0 degree below the horizontal. A. Find the horizontal component of the push. B.Find the vertical component of the push.
asked by mely 
calculus  INTEGRATION
A balloon, rising vertically with a velocity of 16 feet per second, releases a sandbag at the instant it is 64 feet above the ground. a. How many seconds after its release will the bag strike the ground? b. At what velocity will it hit the ground?
asked by Gabriel 
4th math
Kevin has a rabbit, a ferret, a gerbil, and a turtle. He feeds them in a different order each day. In how many different orders can kevin feed his pets?
asked by Anonymous 
physics multiple choice
A worker pushes horizontally on a 2000 N refrigerator on a kitchen floor with a force of 28.0 N. A. If the refrigerator moves forward, this person feels it pushing back with less than 28.0 N. B. The person always feels a 28.0 N push from the refrigerator.
asked by andrea 
physics
A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center, as shown in the figure below. The linear speed of a passenger on the rim is constant and equal to 6.00 m/s. A.What is the magnitude of the passenger's acceleration as
asked by andrea 
Chemistry
what is the percent by mass of oxygen in propanal, CH3CH2CHO? the answer is 27.6 %. but i need to know why, please help !
asked by lisa 
physics!
A student is about to do a pushup. Her center of gravity lies directly above P on the ﬂoor, which is 1.1 m from her feet and 0.4 m from her hands. If her mass is 55 kg, what is the force exerted by the ﬂoor on her hands? The acceleration of gravity is
asked by monica 
physics
A car starts from rest and travels for t1 seconds with a uniform acceleration a1. The driver then applies the brakes, causing a uniform acceleration a2. If the brakes are applied for t2 seconds, determine the following. Answers are in terms of the
asked by Anonymous 
Math
A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
asked by Ash 
Calc
How do you integrate sin²x?
asked by Erica 
Astronomy
Where do you have to be on the Earth to see the Sun at your zenith? If you stay at one such location for a full year, on how many days will the Sun pass through the zenith?
asked by Heather 
physics multiple choice
A person pushes horizontally with constant force P on a 230 N box resting on a frictionless horizontal floor. Which of the following statements about this box is correct? A.The box will accelerate no matter how small P is. B. The box will not accelerate
asked by mely 
physics
Two ice skaters stand at rest in the center of an ice rink. When they push off against one another the 61 kg skater acquires a speed of 0.60 m/s.If the speed of the other skater is 0.90 m/s, what is this skater's mass?
asked by emma 
physics multiple choice
A force F is required to push a crate along a rough horizontal floor at a constant speed V with friction present. What force is needed to push this crate along the same floor at a constant speed 3V if friction is the same as before? A. A constant force 3F
asked by andrea 
english
Edwards struck fear into the hearts of his listeners in order to persuade them to act to avoid everlasting torment. Which specific metaphors and similes in the sermon were probably the most persuasive?
asked by unknows 
math
According to Richard Graham in "SR71 Revealed: The Inside Story", the Lockheed SR71 Reconnaissance plane accelerates from a standing start to a speed of Mach 3 (3 times the speed of sound) "in about 14 minutes". (During that time it also climbs to an
asked by Anonymous 
PHYSICS
Two horizontal forces, F1 and F2, are acting on a box, but only F1 is shown in the drawing. F2 can point either to the right or to the left. The box moves only along the x axis. There is no friction between the box and the surface. Suppose that = +6.2 N
asked by Tiffany 
physical science
Riding his bike, Dewayne can start from rest and get going at 12 m/s in 4 seconds. Beth can get going 16 m/s in 5 seconds. Who has a greater acceleration? How do you know?
asked by alicia 
Texas High
Which statement best summarizes the outcome of the election of 1876? Answer The Republicans traded the presidency in exchange for railroad monopolies. the Democrats failed to win because Tilden was an unpopular candidate. The South exchanged the presidency
asked by Kitty 
Physics
A person pushes on a 60kg refrigerator with a horizontal force of 260 N; the minus sign indicates that the force points in the x direction. The coefficient of static friction is 0.68. (a) If the refrigerator does not move, what are the magnitude and
asked by Tiffany 
physics multiple choice
A force F is required to push a crate along a rough horizontal floor at a constant speed V with friction present. What force is needed to push this crate along the same floor at a constant speed 3V if friction is the same as before? A. A constant force 3F
asked by mely 
physics
The frequency of vibration of an objectspring system is 8.00 Hz when a 3.00 g mass is attached to the spring. What is the force constant of the spring?
asked by gilbert 
Physics
An athlete swims the length of a 46.0 m pool in 21.0 s and makes the return trip to the starting position in 23.0 s. Determine her average velocities in each of the following below. (Take Δx to be positive when the displacement is in the direction she
asked by Scott 
AP
The composite scores of students on the ACT college entrance examination in a recent year had a Normal distribution with mean µ = 20.4 and standard deviation = 5.8. 1) What is the probability that a randomly chosen student scored 24 or higher on the ACT?
asked by Erica L 
physics
A proton of mass mp = 1.67 x 1027 kg and charge +e = 1.60 x 1019 C is accelerated from rest through an electric potential of 400 kV. What is its final velocity?
asked by Physics is a pain 
physics
A Ferris wheel with radius 14.0 m is turning about a horizontal axis through its center, as shown in the figure below. The linear speed of a passenger on the rim is constant and equal to 6.00 m/s. A.What is the magnitude of the passenger's acceleration as
asked by mely 
Calc.
Solve the initial value problem explicity: y'= 5xe^(y), y(1)=1
asked by Tania 
chemistry
Suppose two gases in a container have a total pressure of 1.20 atm. What is the pressure of gas B if the partial pressure of gas A is 0.75 atm?
asked by Adolph 
Algebra
What is the best estimate for 48% of 31?
asked by Sparkles 
English
1. Select the sentence in which all pronouns are used correctly. A. Just between you and I, I am not impressed by our new manager. B. Be sure to divide all income from the suburban property between he and I. C. I sat between him and her during the sales
asked by Anonymous 
chemistry
Hydrogen gas has been suggested as a clean fuel because it produces only water vapor when it burns. If the reaction has a 95.4% yield, What mass of hydrogen forms 94 Kg of water?
asked by Cassie 
English
What does this mean “This poor gambler isn’t even a noun. He is kind of an adverb.”? This is a queston that's popped up in my head while reading "The Blue Hotel" by: Stephen crane. What I have doesn't really make sense i just compared an adverb to a
asked by Asia k. 
Physics
A rollercoaster car with a mass of 500 kg starts at rest from point A, which is 46 m above the ground. At point B, it is 23 m above the ground.
asked by Maddy 
calculus
Write the standard form of the equation for the path of a communications satellite in a circular orbit 22,000 miles above Earth. (Assume that the radius of Earth is 4000 miles.)
asked by Anh 
Calculus
Solve the following initial value problem explicitly: y'= ye^x , y(0)=1 How do you solve this problem? I'm really confused!
asked by Tania 
AP Statistics  sampling distribution help
The composite scores of students on the ACT college entrance examination in a recent year had a Normal distribution with mean µ = 20.4 and standard deviation = 5.8. 1) What is the probability that a randomly chosen student scored 24 or higher on the ACT?
asked by Erica L 
physics multiple choice
A worker pushes horizontally on a 2000 N refrigerator on a kitchen floor with a force of 28.0 N. A. If the refrigerator moves forward, this person feels it pushing back with less than 28.0 N. B. The person always feels a 28.0 N push from the refrigerator.
asked by mely 
science
A pool ball is rolling at a velocity of 12 cm/s to the right when it is hit by another ball. It continues moving right at a velocity of 21 cm/s. If the collision lasts 0.45 seconds, what is the ball's acceleration?
asked by Anonymous 
physics
If your car has a mass of 770 kg, how much force is required to accelerate it forward at 4.98 m/s2?
asked by olga 
physics
A spring (k = 400 N/m) is hung vertically. a) If a 5 kg mass is attached to the end of the spring and gently lowered to rest position, what will be the stretch of the spring? b) If the 5 kg mass is attached and simply dropped, what will be the maximum
asked by ullas 
Chemistry
How do I balance this equation and what is the answer? C3H9N+O2>CO2+H2O+NO2
asked by Jack 
Chemistry  Periodic Table+IE(check+help)
The following data lists the ionization energies for a given atom: IE1 = 738Kj/mol; IE2 = 1451Kj/mol; IE3 = 7733Kj/mol. Predict the valence electron configuration for this atom, and explain your reasoning. i do not understand this question but i will give
asked by Farah 
Chemistry  Periodic Table+IE(check+help)
The following data lists the ionization energies for a given atom: IE1 = 738Kj/mol; IE2 = 1451Kj/mol; IE3 = 7733Kj/mol. Predict the valence electron configuration for this atom, and explain your reasoning. i do not understand this question but i will give
asked by Farah 
AP Chem
The formula for epson salts is MgSO4*7H2O. If 1.250 g of the compound is dissolved in water, calculate the number of milliliters of 0.200 M Ba(NO3)2 that would be required to precipitate all of the sulfate ions as barium sulfate. Make the same
asked by Melissa 
physics
You swing a 2.00 kg stone in a circle, using the full length of a thin 80.0 cm rope. At what speed should you swing it so its acceleration will be 9.8 m/s^2?
asked by andrea 
Math
How many unit cubes would it take to construct the complete exterior of a hollow cube with edges of 4 units and faces 1 unit thick?
asked by K 
physics multiple choice
Far from any gravity, an astronaut accidentally releases a metal wrench inside a spaceship that is traveling at a constant velocity of 250 km/s away from earth in outer space. What will be the subsequent behavior of that wrench as observed by the
asked by mely 
managerial economics
U.S.Supreme Court Justice examines government's role in controlling & managing health risks. One major problem examined is cleanup of hazardous waste sites. He wish to see waste sites 100% clean. a. Explain, using theory of optimization & a graph, the
asked by Pragati 
chemistry
what is the osmotic pressure at 20 C of a solution made by dissolving 0.69 grams of sucrose C12 H22 O11 in 100 mL of water
asked by briana 
PHYSICs
The drawing shows a 29.7kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the floor is
asked by Tiffany 
physics
You are driving in your car and you apply a constant force to your brake pedal. Which of the following are changing? (Ignore air resistance) a. Speed b. Velocity c. Acceleration d. Speed and Velocity e. All of the above
asked by Victor 
math
The velocity function is v(t) = t^2  6 t + 8 for a particle moving along a line. Find the displacement and the distance traveled by the particle during the time interval [1,6].
asked by Anonymous 
physics
A. What is the mass of a book that weighs 3.20 N in the laboratory? B.In the same lab, what is the weight of a dog whose mass is 14.0 kg?
asked by andrea 
physics multiple choice
Far from any gravity, an astronaut accidentally releases a metal wrench inside a spaceship that is traveling at a constant velocity of 250 km/s away from earth in outer space. What will be the subsequent behavior of that wrench as observed by the
asked by andrea 
Math (HELP PLEASE)
1) An elevator goes down 7 floors, up 3 floors, up 6 floors, down 8 floors, up 1 floor, and down 6 floors. It is now on floor 3. Which floor did it start on? 2) Megan bought a book for $12.00, received an allowance of $15.00, paid back a loan of $7.00,
asked by Sabina 
Math geometry
The midpoint of BC is M(10,16). One endpoint is B(1,8). What are the coordinates of C?
asked by Sarah 
math
An urn holds 13 identical balls except that 2 are white, 4 are black, and 7 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each of the balls. How many outcomes are in the sample space for
asked by Kristin 
biology
On average, what percentage of the cells in an onion root tip are in each of the different phases of the cell cycle? This question is for the purpose of checking lab data.
asked by TheQuestion 
english
In the Importance of Being Ernest Why are women in Act 1 shown to have the upper hand? (Explore more than what simply happens on stage.)
asked by Anonymous 
Physics!
Two skaters, a man and a woman, are standing on ice. Neglect any friction between the skate blades and the ice. The mass of the man is 81 kg, and the mass of the woman is 60 kg. The woman pushes on the man with a force of 50 N due east. Determine the
asked by Tiffany 
chemistry
Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate.
asked by Angel 
physics
A. What is the mass of a book that weighs 3.20 N in the laboratory? B.In the same lab, what is the weight of a dog whose mass is 14.0 kg?
asked by mely 
anatomy
summary of "into thin air" case study by jennifer lundmark
asked by ray 
Physics Homework
The drawing shows a 29.7kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, F1=88N and F2=54N, are applied to the crate, and it begins to move. The angle is 55 degrees. The coefficient of kinetic
asked by Tiffany 
ChemistryQuick Question
The first step in acquiring knowledge is often the observation or measurement of some aspect of nature. a. True b. False
asked by Jane 
Math
How many noncongruent triangles with only integer side legnths have a perimeter of 15 units?
asked by K 
math
a farmer wants to build a rectangular pen using a side of a barn and 60ft of fence. find the dimensions and area of the largest such pen
asked by joe 
physics
You swing a 2.00 kg stone in a circle, using the full length of a thin 80.0 cm rope. At what speed should you swing it so its acceleration will be 9.8 m/s^2?
asked by mely 
physics
A warehouse worker pushes a crate along the floor, as shown in the figure , by a force of 10.0 N that points downward at an angle of 45.0 degree below the horizontal. A. Find the horizontal component of the push. B.Find the vertical component of the push.
asked by andrea 
math
An urn holds 13 identical balls except that 2 are white, 4 are black, and 7 are red. An experiment consists of selecting two balls in succession without replacement and observing the color of each of the balls.
asked by Kristin 
physics
Consider the 668 N weight held by two cables shown below. The lefthand cable had tension T2 and makes an angle of pheta 2 with the ceiling. The righthanded cable had tension 550 N and makes an angle 45 degrees with the ceiling. The right hand cable makes
asked by mazine 
Math
how do i find the revolutions per minute of a pulley that is turned 120 degrees per second?
asked by Thomas 
algebra
Did I do this problem the correct way if so is there a shorter way to explain this? x(x + 6)(x + 4) = 24x x(6 + x)(x + 4) = 24x x(6 + x)(4 + x) = 24x (6 + x) * (4 + x x(6(4 + x) + x(4 + x)) = 24x x((4 * 6 + x * 6) + x(4 + x)) = 24x x((24 + 6x) +
asked by SO LOST 
social studies
Why do many Eastern European countries want to join the European Union?
asked by tony 
Calculus
find lim f(x)  lim f(x) x>infinity x>infinity if f(x)=ln (x+sqrt[x^2+a^2])/(x+sqrt[x^2+b^2]) a and b are real numbers
asked by J 
physics
three identical blocks are pulled on a horizontal frictionless surface. if the tension in the rope held by the habd is 30N what is the tension in the other ropes?
asked by joy 
Please help! (Calculus)
Solve initial value problem explicitly: 1. y'= ye^x, y(0)=1 2. y'= 5xe^y, y(1)=1
asked by Leah 
accounting
Why might an analyst incorporate the industrymarketsize factor and the interrelationships among the growth, pricerecovery, and productivity components into a strategic analysis of operating income?
asked by Ron 
math
All 26 letters of the alphabet are written on cards and shuffled. If one card is pulled out randomly, find the probability. (note Y is not considered a vowel for these problems) P(A or Z) =
asked by andrew 
earth
classify each of the folowing layers as liquid,rigid,or solid but able to flow slowly:lithosphere,asthenosphere,lower mantle,outer core,inner core.
asked by jenny 
physics
You swing a 2.00 kg stone in a circle, using the full length of a thin 80.0 cm rope. At what speed should you swing it so its acceleration will be 9.8 m/s^2?
asked by andrea 
physics, I'm stuck
It takes a flea 1.0x10â€“3 s to reach a peak speed of 0.74 m/s. (a) If the mass of the flea is 0.45x10â€“6 kg, what is the average power required? (b) Insect muscle has a maximum output of 60 W/kg. If 20% of the fleaâ€™s weight is muscle,
asked by trace 
math
A calculus teacher's son likes to shoot arrows. He was wondering at what speed the arrow leaves the bow when it is released. So they went to a large deserted beach at the Great Salt Lake and shot the bow at an angle of 45 degrees. The arrow hit the ground
asked by Anonymous 
Math Please Help!!
A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
asked by Ash 
Physics!!
During a circus performance, a 73.1kg human cannonball is shot out of a 19.5mlong cannon. If the human cannonball spends 0.921 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
asked by Tiffany 
Survey of the Sciences
Calculate the height from which a block of ice at zero degrees celcius nust be dropped for it to completely melt upon impact. Assume that there is no air resistance and that all the energy goes into melting the ice.
asked by Stephanie 
Physics
A 3kg mass moving initially to the right along the x axis with a speed of 8m/s makes a perfectly inelastic collision with a 5kg mass initially at rest at the origin.what fraction of the initial kinetic energy of the system is lost in the collision.what
asked by Joel 
Physics
A plane is headed due west with an air speed of 221 m/s. The wind blows south at 37.5 m/s. Find the velocity of the plane relative to the earth. The question asks for the magnitude which I found is 224 m/s. The question also asks for the
asked by Lindsey 
Calculus
The ideas we are practicing in these exercises can be put to practical use. A calculus teacher's son likes to shoot arrows. He was wondering at what speed the arrow leaves the bow when it is released. So they went to a large deserted beach at the Great
asked by Anonymous 
Physics
The hoover dam produces 2x10 to the 9 W of electricity. It is composed of 7x10 to the 9 kg of concrete. To produce 1 kg of concrete requires 1 MJ of energy. How much energy did it take to produce the dam? How long was the "energy payback time" for the dam?
asked by Ellen 
physics
Force, Work, and Rotation Question? Please Help!? You are sitting on a stool that is free to rotate without friction, and you are holding a 2.0 kg weight in each hand (ignore friction and all forces external to you + weights system). Also ignore your own
asked by igore 
physics help
a gun tilted upward at 30 degrees fires a bullet with a speed of 215 m/s. what is the bullets velocity parallel to the ground
asked by vicki 
algebra
Solving inequalities and graphing: y
asked by Cathleen 
math
$18,500 at 4.5% compounded semiannually for 5 years
asked by john 
Physics
A helicopter is flying horizontally at 7.5 m/s and an altitude of 18 m when a package of emergency medical supplies is ejected horizontally backward with a speed of 13 m/s relative to the helicopter. Ignoring air resistance, what is the horizontal distance
asked by Renee 
Astronomy
Where do you have to be on Earth to see the south celestial pole at your zenith? What is the maximum possible elevation (angle) of the Sun above the horizon at that location? On what date is this maximum elevation achieved?
asked by Heather 
chemistry
what is the lewis dot structure for CH3OH
asked by kelesha 
Math
Ineed to come up with an EXCEL formula for the following; Ineed to determine the total number of games. I know the % (games) of lost and I know the number of (game) wins. I need to determine the total number of games. I can figure the % of wins by
asked by Michelle 
math
A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
asked by Ash 
calculus
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations and/or inequalities about the indicated axis. x = y(25 − y2)^1/2 x = 0 the yaxis
asked by Morgan 
Algebra
Suppose a model of the space shuttle "Endeavour" is 10 inches tall. The actual height of the "Endeavour" is 100 feet. What is the scale of the model?
asked by Sparkles 
math
square x has an area of 100 square units. Square Y has a perimeter that is half of the perimeter of square x. What is the area of square y?
asked by Esther 
Physics
Water at a pressure of 400,000Pa flows through a horizontal pipe at a speed of 1.50 m/s. The pipe narrows to 1/8 its original diameter. What is the flow speed through the narrow section?
asked by Mary 
Ap Euro
Identify the major social groups in France on the eve of the 1789 revolution. !@#$%^& the extent to which their aspiration were achieved in the period from the meeting of the estates general to the declaration of the republic.
asked by jackie 
physics
A box rests on a frozen pond, which serves as a frictionless horizontal surface. If a fisherman applies a horizontal force with magnitude 44.0 N to the box and produces an acceleration of magnitude 2.80 m/s^{2}, what is the mass of the box?
asked by mely 
Chemistry*Dr.Bob
I keep finding all sorts of different enthalpy of vaporizations for bromine. I used: 254.66 So factoring 254.66/2 into my equation below i ended up with a lattice energy of 863.33. Can you confirm this?
asked by Crystal 
math
The third and seventh terms of an arithmetic sequence are 10 and 20. 1) What is the value of the 1st term? 2) What is the value of the 9th term? 3) What is the equation to find the nth term in the sequence? HELP!! PLEASE!!
asked by Brittany 
physics
a spider crawls 4.7 m at an angle of 24 degrees north of east. another spider crawls 5.2m at an angle of 24 degrees east of north. what is the eastward displacement of the spiders?
asked by vicki 
social studies
what was the Red Scare?
asked by t.n.t 
Business Communication
Hi...Plzzzz ...I neeed that answers now...plzzzzz Identify the person who has the power to stop your message instead of sending it on to other audiences. a. Watchdog audience b. Gatekeeper c. Primary audience d. Auxiliary audience 6. Which of the following
asked by Haris 
Statistics
company claims 10% are green. suppose that candies are packaged randomly into samll bags of 50. school children studying percent open several bags, count colors and find the proportion that are green. a. is the Normal model appropriate here? explain b.
asked by denis 
Forensic Science
I have to order these steps that a CSI would do upon arrival of scence. 1. Look for identification on the body. 2. Notify the Medical Examiner to determine if head injury is sufficient to cause death. 3. Have the forensic laboratory analyze blood on trail
asked by James 
physics
a gun tilted upward at 30 degrees fires a bullet with a speed of 215 m/s. what is the bullets velocity parallel to the ground?
asked by vicki 
U.S. HISTORY!!
INSTRUCTIONS Respond to ONE of the following discussion questions below. Be sure to support your position with evidence from your American History text. In addition, respond to at least one other student's post stating whether you agree or disagree with
asked by NEEDS HELP!! 
Algebra
Ok I got another one I can figure out The onetoone function f is defined by f(x)=(4x1)/(x+7). Find f^1, the inverse of f. Then, give the domain and range of f^1 using interval notation. f^1(x)= Domain (f^1)= Range (f^1)= Any help is greatly
asked by Rachal 
Business
Which of the following is NOT an example of parallel structure? "Yoga can help you develop flexibility, reduce stress, and increase relaxation." "Learn how to analyze business audiences, improve your style, and edit thoroughly." "You are all encouraged to
asked by Tina 
Physics
An arrow is shot into the air at an angle of 58.3 above the horizontal with a speed of 21.1 m/s. (a) What are the x and y components of the velocity of the arrow 3.3 s after it leaves the bowstring? I found the x component to be 11.09 m/s, but I don't know
asked by Renee 
chm
Liquid nitrogen is obtained by condensing gaseous nitrogen found in air and boils at 77.36 K. At the boiling point, the density of the liquid is 809 g/L and that of the gas 4.566 g/L. How many liters of liquid nitrogen are produced when 500.0 L of nitrogen
asked by ami 
algebra
Bob's Barber shop estimates their gross revenue for the second qaurter to be given by the polynomial 9x^3+4x^26x+9. The shop estimates their costs for that quarter to be given by 7x^2+2x+1. For the second qauter,find and simplify a polynomial that will
asked by lisa 
Algebra is my answer right
The onetoone function f is defined by f(x)=(4x1)/(x+7). Find f^1, the inverse of f. Then, give the domain and range of f^1 using interval notation. f^1(x)= Domain (f^1)= Range (f^1)= Any help is greatly appreciated. Algebra  helper, Wednesday,
asked by Rachal 
College Algebra
3x^212x24=0
asked by Edwin 
Chem302
I spent half an hr on this question  it doesn't make sense, its saying that water is solute, not solvent...Its due in half an hour!!!!!! PLEASE HELP! What is the vapor pressure of the solvent in an aqueous solution at 25◦C of 0.29 m urea (CO(NH2)2), a
asked by ND 
physics
The current in a 51 resistor is 0.14 A. This resistor is in series with a 28 resistor, and the series combination is connected across a battery. What is the battery voltage?
asked by ali 
Math
A 100 foot vertical tower is to be erected on a side of a hill that makes a 6 degree angle with the horizontal. Find the length of each of the two guy wires that will be anchored 75 feet uphill and downhill from the base of the tower.
asked by Ash 
Algebra
Not understanding the question. Why a solution of a word problem should be checked using the original wording of the problem and not the equation written from the wording.
asked by Cindy 
physical
A helicopter flies over the arctic ice pack at a constant altitude, towing an airborne 142kg laser sensor that measures the thickness of the ice (see the drawing). The helicopter and the sensor both move only in the horizontal direction and have a
asked by abby 
bus 475
Which list below best describes the major services performed by public accountants?
asked by luzamar 
chemistry
Calculate the maximum number of mililiters of CO2, at 770 torr and 28 degrees celsius, that could be produced by reacting 500mL of CO2, at 760 torr and 15 deg Celsius, with 500 mL of O2 at 770 torr and 0 deg Celsius.
asked by Anonymous 
physics
Suppose that you have a circle with a radius of 4.02 ± 0.39 m, what is the calculated uncertainty in the area?
asked by Tiff 
social studies
Why do many Eastern European countries want to the European Union?
asked by tony 
Geometry
I have to do this web quest table and i just want to make sure that i did this right. please help check this for me! I did this in excel so i marked the questions with my answers with different symbols. it is a little confusing. Probability of 2 randomly
asked by Cheryl 
chemistry
Calculate the moles of Cl atoms in 0.0565g of C2H4CL2 i got 6.87 x 10^20 mol Cl atoms
asked by Cassie 
physics multiple choice
A person pushes horizontally with constant force P on a 230 N box resting on a frictionless horizontal floor. Which of the following statements about this box is correct? A.The box will accelerate no matter how small P is. B. The box will not accelerate
asked by andrea 
chemistry
some oxygen occupies 500.0 ml when its temperature is 40.0 C . if you wished to decrease the volume by 100.0 ml, to what temperture celsius would you need to lower the gas? not sure how to set this up right..keep thinking i need to subtract 100.0 from
asked by Harley 
Math
There is a 4 x 4 square grid. Two unit squares are chosen from the 16 unit squares possible. What is the probability that they do NOT have a vertex in common? Express your answer as a common fraction.
asked by K 
chemistry
what is the molality of a 0.068M solution of ethyl alcohol in water at 25 degrees celsius. (assume the density of the solution at such a low concentration is equal to that of water at 25degrees celsius, 0.997g/ml)
asked by belinda 
Science
What are the main organs of the respiratory system?
asked by Xena C. 
English
I forgot to include the following sentences. I hope you can have a look at them too. 1) The slave trade between Europe, Africa and the America lasted for about 400 years, between 1500 and 1900. 2) The cities involved in the slave trade became very rich.
asked by Franco 
Physics
A 3kg mass moving initially to the right along the x axis with a speed of 8m/s makes a perfectly inelastic collision with a 5kg mass initially at rest at the origin.what fraction of the initial kinetic energy of the system is lost in the collision.what
asked by Joel 
math
In gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible combinations. What
asked by charlie 
physics
A box rests on a frozen pond, which serves as a frictionless horizontal surface. If a fisherman applies a horizontal force with magnitude 44.0 N to the box and produces an acceleration of magnitude 2.80 m/s^{2}, what is the mass of the box?
asked by andrea 
French
Difference between indefinite and definite articles? Indefinite = Un, Une, Des Defenite = La, Le, Les The indefinite articles means A or A(n) and Des means some. Le, and La mean the, and Les is the plural form of these two. Give example of each: 1.Je vais
asked by Emily 
physics multiple choice
A 3.00 lb. physics book rests on an ordinary scale that is placed on a horizontal table. The reaction force to the downward 3.00 lb force on the book is A. an upward 3.00 lb force on the scale due to the table. B.an upward 3.00 lb force on the book due to
asked by mely 
Physics
A river 99.1 m wide flows toward the south at 31.5 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. She can swim 99.1 m in still water in 1.80 min. What is her velocity relative to land? magnitude In what direction
asked by Lindsey 
math
Terrance describes the amount of money made based on the # of hours worked by the function rule y= 10h. Given this function how much $ does terrance earn for each hour worked?
asked by Cara 
Music
I am wondering... what is a "chant"? Like what was the first chant where did it come from? Also, what is its original function and why is it important to the history of music and how does it relate to today's music?
asked by Henry 
Math
There is a 4 x 4 square grid. Two unit squares are chosen from the 16 unit squares possible. What is the probability that they do NOT have a vertex in common? Express your answer as a common fraction.
asked by K 
economics
Fill in the blanks below with ↑ to indicate an increase in the variable or with ↓ to indicate a decrease in the variable. Answer the questions with a brief written response. A) Consumption > Production ⇒ Economy is Out of Equilibrium ⇒ Inventories
asked by Lindsey 
Earth Science
Divide the following list of words into 2 categories: drumlin, kettle lake, mafic, devonian, asthenosphere, gradient, fossil, topography, plateau, marlble For each category, give it a title (12 sentences)
asked by Kelly 
chemistry
Calculate the maximum number of mililiters of CO2, at 770 torr and 28 degrees celsius, that could be produced by reacting 500mL of CO2, at 760 torr and 15 deg Celsius, with 500 mL of O2 at 770 torr and 0 deg Celsius.
asked by Anonymous 
Calculus
Are the following differential equations separable or not? * y'= ye^(x+y) * y'= ye^(xy) * y'= y(xcos(y)) I am no good at these :[
asked by Grace 
personal finance
education plays a crutical role in financial success
asked by paula 
science
How much heat in joules is needed to raise the temp of 6.5L of water from 0 celsius degrees to 70 degrees celsius
asked by Keni 
Physics
A man can row a boat at a speed of 4.40 km/h in still water. If he is crossing a river where the current is 2.45 km/h, in what direction should his boat be headed if he wants to reach a point directly opposite his starting point? I've tried 56.16 degrees
asked by Lindsey 
Bio
What is the per capita rate of increase (r) for a population whose per capita birth rate equals 0.1 and per capita death rate equals 0.05? If the annual per capita birth rate (b) for a population is 0.1, how many births will occur in a year if the initial
asked by Ryan 
Finance
An investment offers an expected dollar return of $800 each year for years 1 through 5. If the interest rate is 12%, what is the present value of this investment?
asked by Finance 
Math
When x^25x+3c is divided by x3 the remainder is 12. What is the value of c?
asked by K 
algebra
Anna Can Paint The Garage In 12 Hours. Jenna Can Paint The Same Garage In 7 Hours. How Long Will It Take If They Both Work Together?
asked by Anonymous 
Chemistry  Periodic Table+Cations(check+help)
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to
asked by Farah 
English
In "The Lottery" what is the allegorical dimension?
asked by Amy 
physics
Suppose you have a circle with a radius of 6.43 ± 0.09 m, what is the average area of the circle?
asked by Tiff 
us history
does the current republican party platform address the needs of the average american?
asked by sara 
math
In a gift wrapping department, a customer can choose from x different papers, y different ribbons, and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible combinations. Need
asked by Brittany 
Algbra
I need help with the following problem. 6 less than or equal to 3 + 1/3a less than or equal to 5 Please show steps and answer. Thanks.
asked by Zach 
English
1) Can you please suggest an internet site listing everyday computer language? In particular, I need to carry out some research on computer phrasal verbs as well as on phrases, English people normally use when referring to their conputer work. 2) By the
asked by Franco 
accounting
Why might an analyst incorporate the industrymarketsize factor and the interrelationships among the growth, pricerecovery, and productivity components into a strategic analysis of operating income?
asked by Ron 
Calculus
The number of bacteria in a culture increases exponentially with a growth constant of .2 hour. How long will it take for the population to increase from 3000 to 25,000? Thank you for any help you can give and for your time!
asked by Grace 
Precalc
chande into a single logarithm (1/2)ln(x^(2)+1)4ln(1/2)((1/2)[ln(x4)+lnx] ) steps to please
asked by Amy~ 
chem
An analytical method for determining residual nickel content in shortening was tested against a standard containing exactly 1.626% Ni. The results obtained for percent residual Ni were as follows: 1.608, 1.626, 1.626, 1.629, 1.630, 1.606. Has a significant
asked by Anonymous 
chemistry
give enthalpy profile diagrams to illustrate endothermic and exothermic reactions. include an explanation of cocepts such as enthalpy change, activation energy and catalysts.explain how the process of bond breakage and formation determine the enthalpy
asked by ABRAHAM 
physics
A car is moving along with a velocity of 88ft/sec and has a weight of 2000lbs. The engine suddenly stops. If the coefficient of frictgion between the car and road is .2.(a) Find the acceleration. (b) How long will it take to come to rest? (c) How far will
asked by Elise 
psychology
the question: Some size/distance cues are useful for distant objects, others for close objects. Provide one example of a cue that would be good for near objects, and one for distant objects. Explain why the cues you have selected would be less useful for
asked by help 
english
i like playing playing volleyball with my friends. is this a good sentence?
asked by Anonymous 
Math
The graphs of y= x^2  8x  35 and y= 2(x^2) + 16x +3 intersect in two points. What is the sum of the xcoordinates of the two points of intersection?
asked by K 
physics
How many joules of energy are required to run a 100 W light bulb for one day? Burning coal yields about 30x10 to the 8J of energy per kilogram of coal burned. Assuming that the coal power plant is 30% efficient, how much coal has to be burned to light the
asked by Becky 
English
How can I rewrite this sentence: A boy and his bog sat by a house?
asked by Melissa 
chemistry
what is the molality of a 0.068M solution of ethyl alcohol in water at 25 degrees celsius. (assume the density of the solution at such a low concentration is equal to that of water at 25degrees celsius, 0.997g/ml)
asked by belinda 
Astronomy
Where do you have to be on Earth to see the south celestial pole at your zenith? What is the maximum possible elevation (angle) of the Sun above the horizon at that location? On what date is this maximum elevation achieved?
asked by Heather 
algebra
What is the answer to (6.9); x + 6y = 5
asked by Gabe 
Survey of the Sciences
Thank you Damon! now, here's the last part of that along with the first again.... Calculate the height from which a block of ice at zero degrees celcius nust be dropped for it to completely melt upon impact. Assume that there is no air resistance and that
asked by Stephanie 
math
In a gift wrapping department, a customer can choose from x different paper, y different ribbons and z different greeting cards. There are 160 different paper, ribbon, and greeting card combinations possible. List three of the possible combinations.
asked by Anonymous 
Calculus
Ba has a halflife of 283.2 hours. How long would it take for the 50 mg of Ba in a sample to decay to 1.0 mg?
asked by Tania 
math
what is a sixth grade division problem with the number 17 in it?
asked by Alexa 
continuous compounding?
$50,000 that was invested in 1970 was worth $134,100 in 1980. What annual interest rate did this investment earn in that 10 year period? Assume continous compounding.
asked by Grace 
math
Use elimination to solve each system of equations. x+y=3 2x3y=16
asked by Layler 
physics
An object has a mass of 2kg and rests on a surface where the coefficient of friction is .2. (a) Find the acceleration of 10 m/sec squared (b) Assume Vi=0, how long does it take to travel 100m? (c) What is the velocity at this time?
asked by Elise 
english
If I was to analyze a statement how would I do this one. “Well, I didn’t do anything. Did I”?
asked by Asia K. 
Physicss
Chapter 4, Problem 40 A 94.9kg person stands on a scale in an elevator. What is the apparent weight when the elevator is (a) accelerating upward with an acceleration of 2.30 m/s^2, (b) moving upward at a constant speed, and (c) accelerating downward with
asked by Tiffany 
Physics
A crate of a mass 150 kg is lifted onto a truck 2.5 m above the ground. How much potential energy has the crate gained?
asked by Mark 
Chemistry
What is the vapor pressure of the solvent in an aqueous solution at 25◦C of 0.29 m (molality) urea(CO(NH2)2), a nonelectrolyte? The vapor pressure of water at 25◦C is 23.76 Torr. Answer in units of Tor I want to use the mole fraction and multiply it by
asked by ND 
Any suggestions for easy french dessert?
ok so for my school we have this thing called OCMC (One Community Many Cultures) and I have to make a poster and then for extra credit I can make a french food. I wanted to make a french dessert (Something that doesnt have to be hot or cold and can sit in
asked by Rebekah 
Physic
How does doubling the mass of one object and tripling the distance between another object change the gravitational force betweem them? FG = G M1 M2 / r2 a. Force changes by 2/3 b. Force changes by 2/9 c. Force increases by 9 d. Force decreases by 3 e. No
asked by Help 
math
what is a sixth grade divison problem with the number 17 in it plz help working on this since 8:15AM thnx u
asked by Diamond 
algebra
3x^32x^2y8xy^2
asked by sophia 
Physics
If you are pushing a box with 100 N of force and the maximum friction is 150 N. What is the net force of the box?
asked by Jenny 
Maths
What's the text meaning and history Factorization
asked by Nishtha 
Science
I am doing a 3rd grade science project on the Sun. I have to create a "visual". I want to compare the size of the earth to the size of the sun. I found that you could put 1,000,000 earths inside the Sun. I would like to fill a container [representing the
asked by Ann 
Physics :)
Part (a) of the drawing shows a bucket of water suspended from the pulley of a well; the tension in the rope is 55.2 N. Part (b) shows the same bucket of water being pulled up from the well at a constant velocity. What is the tension in the rope in part
asked by Tiffany 
HCS/335
Are laws and regulations the problem or the solution in addressing ethical problems? Explain. What would be an alternative?
asked by Tina 
Finance
You will deposit $2,000 at the end of each of next 5 years. If the interest rate is 7.6%, how much will you have accumulated in 15 years?
asked by Finance 
Physical science
alot of my questions deal with speed and height. what are the different types formula I can use to figure these things out
asked by Ashely 
math
company claims 10% are green. suppose that candies are packaged randomly into samll bags of 50. school children studying percent open several bags, count colors and find the proportion that are green. a. is the Normal model appropriate here? explain b.
asked by bob 
FP/101
Some individuals prefer to have their employers withhold more money than they will owe so they can get big refund checks in April or May. Others prefer to minimize withholdings, so they can either spend the money throughout the year, or put it into a
asked by Maria 
chemistry
Density of mixture of oxygen and nitrogen is 1.28 gm/lit at stp. Calculate partial pressure of oxygen.
asked by Rajkishore Thakur 
Math geometry
If ray AH bisects
asked by Sarah 
Finance
Could someone show me how to calculate average tax rate. What would be the average tax rate for a person who paid taxes of $4,864.14 on a taxable income of $39,870? Can someone help please?
asked by Marie 
BusinessMs. Sue
Ms. Sue you know how yesterday you and I both worked on the natural resources, capitol, etc. Well I listed some things like cell phones etc. which were not connected with the production of an automobile. This is my assignment: List factors of production
asked by Anonymous 
social studies
what stockmarkets should i invest in besides apple
asked by roxy 
Algebra
What is the equation for finding the revenue if you have a pizza selling for $15.00, total cost of $55.00 and labor is $4.00.
asked by Tammy 
BusinessAutomobile
Ms. Sue I sort of added more things under the column of Capitol.
asked by Anonymous 
Calculus
find lim f(x)  lim f(x)
asked by J 
tig/physics
Fred got into his motorboat and motored for 12.5 km at a bearing of 30 degrees north of east. He then abruptly made a 150 degree right turn and motored for another 13.5 km to his destination. How far was his destination from his beginning point? My teacher
asked by kandace 
Calculus
A particle is moving with acceleration a(t) = 36 t + 2. its position at time t =0 is s(0) = 16 and its velocity at time t =0 is v(0) = 2. What is its position at time t = 7
asked by Anonymous 
physics
A girl pulls a toy train with a horizontal force of 10N The tention between the locomotive and the carrdge is 3N the friction on the carrydgers in and the mass of the locomotive and carrydge are 2 kg and 1kg respectively now calculate the acceleration of
asked by Anonymous 
algebra
not sure how to figure this one out find x when x = 70
asked by SO LOST 
algebra
state the degree of the following polynomial : 2x^3y+7xy9y
asked by lisa 
Chemistry  Periodic Table+Cations(check+help)
On which side of the periodic table would you find an element whose atom is likely to form a cation? Which atom property is related to this question? Ans: is it the right side of the periodic table that you would find the elements whose atom are likely to
asked by Farah 
business
What data management issues may be encountered by Amazon?
asked by amy 
Chemistry
For the equation below, if 58.6 grams of Al were to react with 540 grams of H2SO4, how many grams of H2 would be produced? 2Al+3H2SO4>1Al2(SO4)3+3H2
asked by Eva 
English
whathappens to derek and roy's vow not to speak to bolivia?what do they learn from what happened?inthe story hot and cold summer
asked by mai 
chemistry
what is the electronic configuration of Li, O, F, P, and B. Please help!!!!
asked by Twynna 
Chemistry
Aluminum has a density of 2.99 grams per cubic cm. and a specific heat of 0.22 calories per gram degree Celsius. A cube of aluminum is sitting out in the sun where it absorbs 16.2 calories of heat and warms from 62*F to 149*F How many inches wide are the
asked by Liz 
CHILD CARE
I NEED TWO CHILDREN SONGS NOT IN ENGLISH, I NEED IT FROM TWO OTHER CULTURES THE TILTLE, WORDS BY,MUSIC BY,PUBLISHER CITY COUNTER,AND COPYRIGH DATE
asked by TASSEY TAS 
Chemistry
Aluminum has a density of 2.99 grams per cubic cm. and a specific heat of 0.22 calories per gram degree Celsius. A cube of aluminum is sitting out in the sun where it absorbs 16.2 calories of heat and warms from 62*F to 149*F How many inches wide are the
asked by Liz 
English Comp.
Is this a decent thesis statement? Developing cultural competence skills for students in Schools of Pharmacy requires hands on learning experience that Service learning offers.
asked by Meredith 
math
The product of r and 8. How would you write that?
asked by kaylynn 
Health care marketing
Need a paper 35 pages long…………….written in APA style. That answers the FOLLOWING: Describe WHICH of the three alternative decisionmaking sequences is being used in each of the following situations. Explain your choice. 1. The 25year old,
asked by lil_cougar1 
Algebra
Let X be the number then evaluate the expression for X=3 the quotient of 12 and the number
asked by Arlette 
math
A particle is moving with acceleration a(t) = 36 t + 2. its position at time t =0 is s(0) = 16 and its velocity at time t =0 is v(0) = 2. What is its position at time t = 7
asked by Anonymous 
algebra
5 divide Y + 11 = 11.5
asked by Anonymous 
Calc
What is the area of the region located between the graphs of y = x² + x + 4 and y = 2? Thank you so much!
asked by Erica 
math
Consider that the age,x,of a unicorn in human equivalent years can be given by the formula f(x)= 0.002718x^4+0.097326x^31.3367x^2+12.46x+3.914. When a unicorn is 2.5 years old, what is its age in human eqivalent years? What about when it is 12 years old?
asked by janice 
music
Write a 4 bar piece in e harmonic minor. Use and label one diminished triad. Copy the melody into six other clefs.
asked by Maria 
Exxon valdez
im doing a leveld assessment task on the exxon valdez oil spill but have no idea what to write im verry confused and i need help NOW!!!!!!!!!!!!! because its due for tomorrow AHHHHHH! pleese help me!
asked by NINJA 
AP Chemistry
ratedetrminingstep: 3X(g) + 2Y(g) = 4Z(g) When 2 moles of gas X and 2 moles of gas Y are placed in a 5.0L vessel, the initial rate of the rxn is found to be 0.45 (mol/L x min. What is the rate constant? P.S: I think k=1.875(L/mol x s) but im not sure.
asked by qwerty123 
psychology
Explain how influences from each of the 4 levels of the ecological perspective have affected your development thus far (8 pts). List the level and then write a few sentences explaining how it has affected you.
asked by britt 
French
Use different adjectives correctly and demonstrate understanding of gender and number changes 2 BANGS examples/2 NonBangs examples. BBeauty(Belle, Beau) AAge(Jeune, Vieux) NNumber(Nouveau, Nouvelle) GGender(Bon, Mauvais) SSize(Petit, Grande) Im not
asked by Emily 
physical science
What is Final Velocity? I don't understand it at all!!
asked by Nikki 
French
Ask a question using Qui, Qui a la, Quelle, Quand, etc. 1.Quand tu vas a la cafe? 2.Qui vas aller a lècole? 3.Quelle heure estil? Have I got all of them?
asked by Emily 
Math
a) Subtract 6 Find the opposite Add 2 Subtract 4 Find the opposite The answer is 5 The original integer is_____ b) Add +14 Add 5 Find the opposite Subtract +6 Add +3 The answer is 0 The original integer is ____ I need help. Thank you!
asked by Miley 
math
is x=y+2 a function or not?why or y not? thanks in advance
asked by anonymous 
Statistics
Please tell me which test would be best to use in a nonparametric test of hypothesis for (is the average income of men and women greater than 30000). Here are the tests: KruskalWallis MannWhitney
asked by Tee 
HISTORY
The Nile River supports Egyptian agriculture by
asked by Anonymous 
Finance
What is the effective annual rate on a certificate of deposit that promises to pay interest at a 6.6 percent rate, compounded monthly?
asked by Finance 
Math
Are the differential equations separable or not? 1. y'= ye^(x+y) 2. y'= ye^(xy) 3. y'= y(xcos(y)) If they are, could you show how? Any help, even on one, would be extremely appreciated!
asked by Leah 
physics
The asteroid Ceres has a mass 7.061 × 1020 kg and a radius of 505.2 km. What is g on the surface? The value of the universal gravitational constant is 6.67259 × 10−11 N · m2/kg2.
asked by annn 
Chemistry
Select everything on the list below that is composed of atoms. a. water b. can of soda pop c. computer you are using d. your textbook e. an orange f. bottle of drain cleaner g. flask of hydrochloric acid would the answer be all of the above?
asked by Gabe 
chemistry
If 12.45gm NaCL is dissolved in 115ml of water, what is the density of NaCL?
asked by Twynna 
physics
an oscillator makes 1800 vibrations in 3 minutes. how many vibrations does it make in one minutes? how many vibrations does it make in one second?
asked by hamza 
chemistry
How do you find the rate(mole rxn/L s) from .00014 M or Iodine, .57 M or acetone, and .18 M of H+ and 16.8 seconds?
asked by Jake 
Calc
What is the area bounded by the graphs of y = 4x  x² and y = x? Thank you!!
asked by Erica 
music
Write a 4 bar piano piece in d harmonic minor. Use full cadence.
asked by Maria 
college
How will the use of Ashford’s Online Library aid you in finding credible resources to support your academic writing?
asked by Tara 
Psych
How could an adolescent (aged 1217) face Erikson’s crisis of Generativity vs. Stagnation, which is typically experienced in middle adulthood (2 pts)?
asked by matty 
Calculus
A baseball card that will be worth $100,000 in 15 years currently sells for $66,698. What constant interest rate does that correspond to?
asked by Daniela 
Psych
I've seen adolescents with such a strong sense of their own importance, especially in sports, that they don't appear to care about anyone or anything else. What do you think?
asked by britt 
physics multiple choice
A 3.00 lb. physics book rests on an ordinary scale that is placed on a horizontal table. The reaction force to the downward 3.00 lb force on the book is A. an upward 3.00 lb force on the scale due to the table. B.an upward 3.00 lb force on the book due to
asked by andrea 
English
What influences did Clara Bow have on the people back in the 1920s.
asked by Albert Minner 
chemistry
if PV=RT + ἁP where ἁ is a constant Calculate the work if the gas is heated at constant pressure from T1 to T2 Calculate the work if the gas is expanded isothermally and reversibly
asked by noel 
geometry
how do you find the perpendicular lines if on the graph are undefied and 0 slopes?
asked by Jezebell 
chemistry
Maxine is studying about electrolytes in her chemistry class. The teacher asks her to test 4 different solutions to determine how well each one conducts electricity. which solution will best conduct electric current? a) HC2H3O2 b) C2H5OH c) KOH d) H2O2
asked by Cassie 
math
prime factorization of 980
asked by lisa 
math
y^2 fifth root of 64x^6  6 fifth root of 2x^6y^10
asked by Pedro 
Precalc
how to write each expression into a single logarithm. 3log[4]x^(2) + (1/2)log[4]ã(x) the answer is: (25/4)log[4]x steps please
asked by Amy~ 
,Math 7
I thing in a question 2 Megan start with 24.75. Correct? I wanna ask you about question 4. What is the latest time she should leave her house?
asked by Sabina 
Algebra desperate
Solve the following inequality. (x4)/(x+2)>0 Write your answer using interval notation
asked by Jena 
math
it takes 35 minutes for mr morrison to drive 25 miles to work. rounded to the nearest mile per hour, what is the speed in miles per hour?
asked by misty 
Business Ethics
I got 95% on the appendix B matrix about consequentialism, deontology, and virtue ethics. But do not understand this assignment. Describe, in 200 to 300 words, how you might conduct a stakeholder impact analysis of Scenario 1 of Appendix B using each of
asked by Jessica 
chemistry
How do you calculate the weight of the following compounds? A)H2O2 B)C6H8O6 C)K2Cr2O7 D)C56H88O2
asked by Twynna 
English
I have a reaserch paper to do on someone famous from the 1920's, and I can't really find a good one. Can someone give me some suggesstions.
asked by Kala Hammer 
grammar
what is the subject for "There was justice in the verdict"
asked by Mary 
biology
What effect does limiting fat and cholesterol intake have on the body's ability to produce these hormones and how will these manifest?
asked by Anonymous 
ethics
What do you perceive as being the biggest ethical challenges facing health care managers in the future? I just need a topic I can go from there.
asked by maryjane 
biology
Anaphylaxis is especially life threatening because it has the potential to cut off airways and breathing. What is the physiological response that allows anaphylaxis to occur? How and why does epinephrine (also known as adrenaline) counteract this response?
asked by Anonymous 
physics
would a larger rock dropped into a large pan of water make a larger wave than a smaller rock, and which would travel faster?
asked by jason 
psychology
How could an adolescent (aged 1217) face Erikson’s crisis of Generativity vs. Stagnation, which is typically experienced in middle adulthood (2 pts)?
asked by javier 
social studies
In 1963 Viginia's public schools opened their doors to:...
asked by kaitlyn 
U.S.History
Could anyone explain to me what "The Colossus" was and why someone would say America would be a new Colossus
asked by Ray Scholz 
math
Joel wants to biscet FGH.What should he do first.
asked by Brianna 
math
6/cube root of 4x
asked by Amanda 
Pre calc
Find the domain of the function: F(x)= 2x^2
asked by Laura 
English
Can you check if the following statements are possible please? Thank you very much. 1) After 1810 the greater part of African Americans in slavery were born in the United States. 2) White slave owners were afraid of African customs because they couldn’t
asked by Franco 
Algebra is my answer right
Solve the following inequality. (x4)/(x+2)>0 Write your answer using interval notation. x4 Thanks
asked by Rachal 
Pre calc!
Find the domain of the function: F(x)= 2x^2
asked by Tom B 
Physics
A ball is thrown straight up and rises to a maximum height of 21 m above the ground. At what height is the speed of the ball equal to half of its initial value? Assume that the ball starts at a height of 1.9 m above the ground.
asked by Renee 
algabra
please help solve this 3 * ( 5 + 8 )  22 / 4 + 3
asked by kathy 
chem
how many 0.5 g tablets of aluminum acetate would you need in order to make 750 ml of 10% aluminum acetate solution?
asked by Harley 
French
use 2 verbs together with the second in the infinite form. I don't get this...what to do?
asked by Emily 
statistical research
Considering that a researcher can test at the
asked by annonymous 
precal
verify the identity... cot(a)cos(a)+sin(a)=csc(a)
asked by Anonymous 
Precalc
(2^(x))(5)=10^(x) steps too please how to solve
asked by Amy~ 
Grammar
Please explain how to break down a sentence. Simple predicate/Simple Subjects. My mom hasn't done this for a long time and is clueless! Thanks for the help.
asked by Courtney 
math
find x when... 0= (x^4) + 2x^3 1
asked by cathy 
math
222[5+3(61)] can you tell me if this 800. if its not what do i do?
asked by angiie 
Precalc
how to write each expression into a single logarithm. ln(x1/x) + ln(x/x+1)  ln((x^(2)1)) the answer is: 2ln(x+1) steps please i tried solving this but ended up getting this long expression
asked by Amy~ 
Science
what is the function of the alveoli in the lungs????
asked by Erika 
english/biology
I was wondering if you can check to see if these are good predications, hypothesis and questions. Like does the grammar makes and stuff. Thank you Hypothesis : Temperature as one, environmental factor will affect the physiological functioning of the small
asked by sam 
English
What are the adverbs in these paragraphs? Is there something a little, I dunno, dated about a comedy where a guy clutches a towel to his privates while girls giggle at him? And when he asks if he slept with anyone last night, why does that remind me of
asked by Mistsgirl 
alg and trig
6x^35x^2+15x+5 / 2x^2x+3
asked by Katie 
math
5z+10(z+14)=95
asked by Taylor 
HCS/335
Are laws and regulations the problem or the solution in addressing ethical problems? Explain. What would be an alternative? I got this from ms.sue and i need to strech it into 300 words? can anyone help me? Laws and regulations help in guiding human
asked by Tina.....HELP PLZ 
math
how do i ace math class
asked by misty 
math factoring
a√2/a4 how to rationalize it? thank you so much
asked by Sabrina 
math
how many times must the number 5 be subtracted to find the quotient of 5/5?
asked by leah 
anatomy
what is the differnce in primary atmospheric gases at 1800 ft?
asked by Ray 
algebra 1
5mm+8+=0
asked by bob 
algebra
list the terms, coeffcients, and degree of the following polynomial:x^4+6x^3x+3/4
asked by lisa 
science
how do you calculate the concentratio and solubility in a solution?
asked by yw0u1dit3llu 
math
5x^3y^4/14x^5y^8
asked by andre 
math
6=142x
asked by Bethanee 
math
5z+10(z+14)=95
asked by Taylor