Questions Asked on
February 16, 2011

math
Name the lenghts of the sides of three rectangles with a perimeter of 12 units use whole numbers only. I don't understand the question
asked by malachi 
Chemistry  Redox
Balance the following redox reactions by inserting the appropriate coefficients. Al + MnO2 > Al2O3 + Mn HNO3 + H2S > NO + S + H20 Initially, I know the first step is to find assign all the oxidation numbers for the products and reactants listed, but am
asked by Harold 
CHEMISTRY
A solution household bleach contains 5.25% NaClO, by mass. Assuming that the density of bleach is the same as water(1.0g/ml). Calculate the volume of household bleach that should be diluted with water to make 500.0 ml of a ph= 10.26 solution. So, the first
asked by TYLER CHIRECE 
Physics
A freezer has a coefficient of performance of 6.30. It is advertised as using 486 kWh/yr. Note: One kilowatthour (kWh) is an amount of energy equal to running a 1kW appliance for one hour. a) On average, how much energy does it use in a single day? I got
asked by Z32 
Relative Acidities
Rank the given compounds on their relative acidity. Here was the order I thought it was but it turned out to be wrong. (i based it based off of sp being most acidic and sp3 being least acidic) STRONGEST HC(triple bond)CCH3 H2C=CH2 CH3NH2 H2O CH4>
asked by Allie 
english PLEASE HELP ME <3
Match the root with its meaning. Match the items in the left column to the items in the right column. 1. sect cut 2. graph write 3. tang talk or knowledge 4. log wise, wisdom 5. sophcut touch
asked by Hannah jane 
Physics
1) The speed of light in a certain liquid is 3/5 the speed in a vacuum. What is the index of refraction of the liquid? 2) A ray of light strikes a piece of glass (n=1.52) and makes an angle of 50 degrees with the surface. What angle does the refracted ray
asked by Ninzy 
Physics
A coiled Hookean spring is stretched 10 cm when a 1.5kg mass is hung from it. Suppose a 4 kg mass hangs from the spring and is set into vibration with an amplitude of 12 cm. A. Find the force constant of the spring. B. Find the Maximum restoring force
asked by Kristin 
Survey of Math 140
on march 8, you sign a $4000 note with simple interest 10% for 240 days. You make partial payments of $1300 on May 26 and $2300 on july 31. How much will you owe on the date of maturity (November 3)? Please show work!!!
asked by JrUNCFan 
chemistry
at 327 degrees C, the equilibrium concentrations are [CH3OH]=0.15M, [CO]=0.24M, and [H2]=1.1M for the reaction: CH3OH(g)CO(g)+2H2(g) Calculate Kp at this temperature
asked by erica 
list some harmful effects of plagiarism.
please ineed answer for this question by his or her own word list some harmful effects of plagiarism. In other words, explain what is morally wrong with plagiarism. How does plagiarism harm the perpetrator? thank you
asked by Anon 
Chemistry
How much of NaOH (in grams) is needed to prepare 546 mL of solution with a pH of 10.00 ?
asked by Sara 
chem.
sodium metal is insoluble in ether. sodium metal dissolves in water to produce a gas. The copper bottom on a frying pan turns black after several heatings. Are these physical or chemical changes..
asked by Renee 
Literary Analysis and Composition
can you please tell me if these are right and if not could you please help? Like autobiographies, diaries are usually written in the privacy of one’s room. in the decades after one has important experiences. in the secondperson point of view. in the
asked by nikki 
college physics
Two blocks are arranged at the ends of amassless string as shown in the figure. The system starts from rest. When the 1.67 kg mass has fallen through 0.395 m, its downward speed is 1.31 m/s. The acceleration of gravity is 9.8 m/s2. What is the frictional
asked by billy 
Physics
How much energy does it extract from the outside air with coefficient of performance 3.85? A heat pump has a coefficient of performance of 3.85 and operates with a power consumption of 6.91 x 10^3 W. The first part of the question asked How much energy
asked by Z32 
History check my answer, please!
Japan became a peaceful, democratic nation relatively quickly after the end of World War II. Which step was not part of its postwar transformation? disarming most of the military adopting a new constitution giving women the right to vote giving the emperor
asked by Lumi 
Math
How do you solve: n is 2 given that it is even The directions say "let n be a randomly selected integer from 120. Find the indicated probability" 1. A tennis player wins a math 55% of the time when she serves first and 47% of the time when her opponent
asked by PLEASE HELP ME OUT!! 
physics
A solid copper object hangs at the bottom of a steel wire of negligible mass. The top end of the wire is fixed. When the wire is struck, it emits sound with a fundamental frequency of 300 Hz. The copper object is then submerged in water so that half its
asked by Rachel 
Physics
A chain is held on a frictionless table with 1/3 of its length hanging over the edge. If the chain has length L = 33 cm and mass m = 21 g, how much work is required to pull the hanging part back onto the table?
asked by Ethan 
math
what is the unit rate of, earn $75.20 in 8 hours, provide example.
asked by 45 
physics
An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 10.0 m if her initial speed is 2.60 m/s. What is the freefall acceleration on the planet?
asked by Anonymous 
accounting
Notified by Alex's Engineering Co that Success's bid of $9000 on a proposed project has been accepted. Alex's paid a $2500 cash advance to success systems. My question is how am i going to put or write this transaction on journal entry? Do i just ignore
asked by anonymous 
Math
1) What is the slope of a line that is parallel to y = 2? 2) What is the slope of a line that is perpendicular to y = 2? 3) What is the slope of a line that is parallel to x = 4? 4) What is the slope of a line that is perpendicular to x = 4? I don't get
asked by Melanie 
physics
A fisherman sets out upstream from Metaline Falls on the Pend Oreille River in northwestern Washington State. His small boat, powered by an outboard motor, travels at a constant speed v in still water. The water flows at a lower constant speed vw. He has
asked by Anonymous 
physics
You walk 53 m to the north, then turn 60° to your right and walk another 45m. Determine the direction of your displacement vector. Express your answer as an angle relative to east.
asked by anonymous 
Uniswa
A stone thrown from the top of a building which is 30m is given an initial velocity 20m/s verticaly upward.the stone misses the edge of the building on its way down. A,what is the velocity of the stone after 1second,n after 3seconds. B,find the maximum
asked by Mancoba 
college
Find the 90% confidence interval for the variance and the standard deviation of the ages of seniors at Oak Park College if a sample of 24 students has a standard deviation of 2,3 years. Assume the variable is normally distribution
asked by bjacobs 
Environmental science
Estimate the chronic daily intake of 1,1,1trichloroethane from exposure to city water supply that contains a 1,1,1trichloroethane concentration equal to the drinking water standard of 0.2 mg/L. Assume the exposed individual is a child who consumes water
asked by Jazmin 
Art Appreciation
Olympia and Ophelia and the Artists’ Reflections. Compare Manet’s Olympia to Millais’s Ophelia. Discuss how each work represents the artist and his period.
asked by Deann Morgan 
Physics
A 13 g bullet traveling 226 m/s penetrates a 2.0 kg block of wood and emerges cleanly at 162 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?
asked by Anonymous 
Physics
A hotair balloon is rising vertically at a speed of 10 m s–1. An object is released from the balloon. The graph shows how the velocity of the object varies with time from when it leaves the balloon to when it reaches the ground four seconds later. It is
asked by tania 
physics lab
A bullet is shot into a block of plastic. The bullet penetrates the block 0.75 m. The mass of the bullet is 8 g. It is traveling with a speed of 410 m/s before it hits the block. A Use kinematic equations to find the magnitude of the acceleration on the
asked by Johnathon 
physics
An astronaut on a strange planet finds that she can jump a maximum horizontal distance of 10.0 m if her initial speed is 2.60 m/s. What is the freefall acceleration on the planet?
asked by Anonymous 
physics
A hawk is flying horizontally at 14.0 m/s in a straight line, 250 m above the ground. A mouse it has been carrying struggles free from its grasp. The hawk continues on its path at the same speed for 2.00 s before attempting to retrieve its prey. To
asked by Anonymous 
Physics
1) The speed of light in a certain liquid is 3/5 the speed in a vacuum. What is the index of refraction of the liquid? 2) A ray of light strikes a piece of glass (n=1.52) and makes an angle of 50 degrees with the surface. What angle does the refracted ray
asked by Ninzy 
Chemistry
Flask a contains 2 liters of ch4 (g) and flask b contains 2 liters of 02 (g) each gas sample has the same 1) density 2) mass 3) number of molecules 4) number of atoms
asked by Noelle 
Literature
How would you define Emerson's idea of "mean egotism"?
asked by Ann 
Physics
Microwaves travel at the speed of light, 3.00×108 m/s. When the frequency of microwaves is 5.60×109 Hz, what is their wavelength? Answer in units of m.
asked by Sangita 
physics
An antique carousel that’s powered by a large electric motor undergoes constant angular acceleration from rest to full rotational speed in 6 seconds. When the ride ends, a brake causes it to decelerate steadily from full rotational speed to rest in 8.9
asked by olivia 
Math
1. A tennis player wins a math 55% of the time when she serves first and 47% of the time when her opponent serves first. The player who serves first is determined by a coin toss before the match. What is the probability that the player wins a given match.
asked by Biren bahkta 
social studies
unscramble olsi,iciznets,ntaryt,comdeyary,bleafs,tsrarciotas,coiglhary,siclalacs
asked by clarence 
physics
An enemy ship is on the east side of a mountain island, as shown in the figure. The enemy ship has maneuvered to within d1 = 2153 m of the h = 1690 m high mountain peak and can shoot projectiles with an initial speed of vi = 247 m/s. If the western
asked by Anonymous 
physics help pleeeeease!!
A monatomic ideal gas is compressed adiabatically from a pressure of 1.09 105 Pa and volume of 250 L to a volume of 39.0 L. (a) What is the new pressure of the gas? (b) How much work is done on the gas?
asked by lissa 
Math
An airplane has an airspeed of 724 kilometers per hour at a bearing of 30 degrees.The wind velocity is 32 kilometers per hour from the west. What are the groundspeed and the direction of the plane?
asked by Matt 
physics
A person standing at the top of a hemispherical rock of radius R = 5.00 m kicks a ball (initially at rest on the top of the rock) to give it horizontal velocity vi. (a) What must be its minimum initial speed if the ball is never to hit the rock after it is
asked by Anonymous 
physical
a police siren emits a sinusoidal wave with frequency f=300hz.the speed of sound is 340ms. find the wave lenght of the waves if the siren is at rest in the air
asked by eric 
physics
One strategy in a snowball fight is to throw a snowball at a high angle over level ground. While your opponent is watching the first one, a second snowball is thrown at a low angle timed to arrive before or at the same time as the first one. Assume both
asked by Anonymous 
Physics
A braking system is used to prevent the car travelling faster than 27 m s–1.The car and passengers shown in the diagram have a total mass of 750 kg. The length of track from P to Q is 80 m. Calculate the average braking force that would be required if
asked by tania 
Chemistry
A 45kg sample of water absorbs 345 kj of heat. If the water was initially at 22.1 degrees c what is its final temperature
asked by Wyatt 
FINITE
selection of colored balls from two bags. Assume that each bag contains 4 balls. Bag a contains 2 red and 2 white, while bag b contains 2 red, 1 white, and 1 blue. You randomly select one ball from bag a, note the color, and place the ball in bag b. You
asked by Hilhellpp! 
Art Appreciation
Raphael and Veronese: Reflection of the Renaissance Period. Compare Raphael’s School of Athens to Veronese’s Christ in the House of Levi. Explain how each artist reflected the environment of Rome and Venice during the Renaissance period.
asked by Deann Morgan 
Organic Chemistry
In an experiment, ligroin may be used as a solvent for the separation of the product from biphenyl. a. Can you suggest an alternative solvent that might be used in this step?
asked by Jodi 
algebra
Josh hit a baseball straight up into the air. The equation below describes the height of the ball (h), in meters, as a function of time (t) in seconds. h(t) = 9.8t² + 30t + 1.5
asked by ali 
Chemistry
Show, with equations, why the solution from which BaSo4 is precipitated cannot be allowed to be more then 0.010.05M in HCl.
asked by Brittney 
physics
On the way from a planet to a moon, astronauts reach a point where that moon’s gravitational pull transitions from being weaker than that of the planet to being stronger than that of the planet. The masses of the planet and the moon are, respectively,
asked by anonymous 
physics
An electric saw uses a circular spinning blade to slice through wood. When you start the saw, the motor needs 6 seconds of constant angular acceleration to bring the blade to its full angular velocity. If you change the blade so that the rotating portion
asked by olivia 
Corporate Finance
Organic Chicken Company has a debtequity ratio of .65. Return on assets is 8.5 percent, and total equity is $540,000. what is the net income ?plzzzzzzzzzzzz
asked by Lizi 
Art Appreciation
Ruben and Rembrandt: Reflection and Temperament. Contrast The Elevation of the Cross by Rubens with Rembrandt’s Return of the Prodigal Son. Explain how each work reflects the artist and his temperament. How does each work mirror sociopolitical
asked by Deann Morgan 
AP PHYSICS
In a Young's doubleslit experiment, the angle that locates the secondorder bright fringe is 3.0°. The slit separation is 4.8 105 m. What is the wavelength of the light?
asked by Alan 
English
I need a consonance for the poem miniver cheevy by E. A. Robinson.
asked by Carol 
physics lab
Consider different points along one spoke of a wheel rotating with constant angular velocity. Which of the following is true regarding the centripetal acceleration at a particular instant of time? A The magnitude of the centripetal acceleration is greater
asked by Chris 
Art Appreciation
Art as a Vehicle of Propaganda. Discuss how art was used as a vehicle for propaganda in the works of Höch, Grosz, and Picasso.
asked by Deann Morgan 
Physics
A 4.5 g dart is fired into a block of wood with a mass of 23.8 g. The wood block is initially at rest on a 1.3 m tall post. After the collision, the wood block and dart land 3.6 m from the base of the post. Find the initial speed of the dart.
asked by Steve 
FINITE
Assume that the business makes a profit with probability 0.8 in the first year. For each year thereafter, the business makes a profit with probability 0.8 if it made a profit in the previous year, and with probability 0.2 if it did not make a profit in the
asked by Hilhellpp! 
Physics
An archer shoots an arrow horizontally at a target 14 m away. The arrow is aimed directly at the center of the target, but it hits 59 cm lower. What was the initial speed of the arrow? So, I am trying to find find v₀x. . .
asked by Francesca 
chemistry
A sample containing 0.0500mol of Fe2(SO4)3 is dissolved in enough water to make 1.00L of solution. This solution contains hydrated SO4 2 and Fe(H2O)6 3+ ions. The latter behaves as an acid: Fe(H2O)6 3+ > Fe(H2O)5OH 2+ + H+ a) Calculate the expected
asked by Chris 
THE AGE OF DISCOVERY TO THE AMERICAN EXPERIMENT
Which of the following best describes the Columbian Exchange that occurred during the Age of Discovery? A. It was a genetic shift due to population interbreeding. B. It was a cultural transformation. C. It was a religious transformation. D. It was an
asked by Anonymous 
physics
A fireworks rocket explodes at height h, the peak of its vertical trajectory. It throws out burning fragments in all directions, but all at the same speed v. Pellets of solidified metal fall to the ground without air resistance. Find the smallest angle
asked by Anonymous 
Physics
How many calories of heat will a person lose by evaporating 1250g of water and perspiration in a day?
asked by Megan 
GEOMETRY
A BOX HAS A LENGTH 10CM, WIDTH 8CM HEIGHT 6CM WHAT IS THE SQUARE AREA
asked by ANNOYNOMOUS 
Statistics
Suppose that two different tests A and B are to be given to a student chosen at random from a certain population. Suppose also that the mean score on test A is 85, and the standard deviation is 10; the mean score on test B is 90, and the standard deviation
asked by Charles 
chemistry
write a balanced equation for the reaction of copper(II) sulfate with sodium carbonate to produce copper(II) carbonate and sodium sulfate
asked by valentina 
Art Appreciation
Humanism in Masaccio’s Art. How does the Holy Trinity by Masaccio express the 15th century Renaissance humanism? Include examples from two other artists from the same era who express the same humanist ideals.
asked by Deann Morgan 
physics
A truck loaded with cannonball watermelons stops suddenly to avoid running over the edge of a washedout bridge (see figure). The quick stop causes a number of melons to fly off the truck. One melon rolls over the edge with an initial speed vi = 12.0 m/s
asked by Anonymous 
child day care management,health,safety,and nutrit
The children in your class are working on an art project that requires them to use a standard hair dryer to produce a particular effect. of the following locations,wich one would be the safest place to put the hair dryer while the children are working on
asked by alex 
math
a rectangular swimming pool measures 20 feet by 40 feet. a walk of uniform width surrounds it. the total area of the pool and the walk is 1500 feet squared. find the width of the walk.
asked by hi 
Chemistry
Ligroin may be used as a solvent for the separation of the product from biphenyl. a. Can you suggest an alternative solvent that might be used in this step?
asked by Jodi 
Calculus
Evaluate the indefinite integral. ∫ sec^3x tanx dx I let u=tanx took derivative.. du=sec^2x dx ..now what??
asked by Anonymous 
Art Appreciation
Movement from Medievalism. Discuss how the Late Gothic sense can be seen as an evident in Berlinghieri’s St. Francis Altarpiece
asked by Deann Morgan 
Physics
A pendulum oscillates at a frequency of 2 cycles per second. At t = 0 it is released starting at an angle of 20°C. Ignoring friction what will be the position (angle) of the pendulum at a. t = 0.25 sec b. t = 1.6 sec c. t = 5.0 sec
asked by Cole 
Physics
A 74.0 kg ice skater moving to the right with a velocity of 2.90 m/s throws a 0.15 kg snowball to the right with a velocity of 23.2 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction
asked by Mel 
johnson
The length of a rectangular floor is 2 feet more than its width. The area of the floor is 168 square feet. Kim wants to use a rug in the middle of the room and leave a 2 foot border of the floor visible on all sides. What should the length (the longer
asked by s 
Math
The measure
asked by NeedsHelp 
physics
Two cars are traveling in opposite directions on a two lane road. Car A starts from the origin at t =0 and accelerates (moving due East) from rest at 4 m/s2. At t = 0, Car B is moving due West with a velocity of 15 m/s and is 500 m east of car A but
asked by jake 
Science
when comparing the force that is required to climb a mountain walking up a trail that slopes gently upward to the top verses getting there by scaling a sheer vertical face, which of the following is true? (a) you use more force for a giving movement on the
asked by Sandra 
physics
A ball is thrown from the top of a building with an initial velocity of 30m/s straight upward, at an initial height of 50m above the ground. The ball just misses the edge of the roof on is way down and hits the ground. Determine: a) time needed for ball to
asked by mark matat 
maths
calculate the area 1.76 and 1.76 writr your 2 decimal answer to the two decimal places. i'm not sure if its 3.0976 and to the two decimal place its 3.10 could someone tell me if im right. thankyou
asked by chloe 
physics
When an airplane starts its propellers, they spin slowly at first and gradually pick up speed. Why does it take so long for them to reach their full rotational speed?
asked by olivia 
chemistry
For a given reaction, the rate constant doubles when the temperature is increasd from 27C to 49C What ite activation energy? Explain. a).347 KJ/mole b)25.5 KJ/mole c)31.5 KJ/mole d)52.7 KJ/mole
asked by reginajones 
math
a box has length 10cm width 8cm and height 6cm what is the square area ?
asked by Anonymous 
Math
Determine whether u and v are orthogonal,parallel, or neither. u=2i+j v=3i+6j
asked by Matt 
Physics
an airplane travels due north at 500km/hr there's a cross wind of 100km/hr determine the displacement of the air craft after 1 hour
asked by Anonymous 
programming  JavaScript
/*Hello, I really hope someone can help me out with this function. I'm a newbie to JavaScript. I have included the instructions for the swapFE() function that I have to complete below along with the functions that I have done so far. I need to create a
asked by SuzieQ 
accounting
how do you write a program for an accountant using java to calculate income tax?
asked by Anonymous 
6th grade science fair project
Each week up until fair time we have to turn in one aspect of our project. This week it deals with our conrol, dependent and independent variables and constants. I will tell you that I got my idea form sciencebuddies. My project is Ocean Currents: Modeling
asked by Reed 
physics
A spring cannon is located at the edge of a table that is 1.70 m above the floor. A steel ball is launched from the cannon with speed v0 at 25.0° above the horizontal. (a) Find the horizontal displacement component of the ball to the point where it lands
asked by Anonymous 
physics for scientists and engeneers I
Suppose the roller coaster in the figure (h1 = 40 m, h2 = 14 m, h3 = 30) passes point A with a speed of 2.60 m/s. If the average force of friction is equal to one fifth of its weight, with what speed will it reach point B? The distance traveled is 35.0 m.
asked by Johnathon 
english
i need help with choosing a topic for a satirical essay. i wna do obesity or cosmetic surgery . help ? how do i start ?
asked by kLb 
Physics
a small body of mass m revolving in a horizontal circle with velocity V of a constant magnitude at the end of a cord of length L. As the body swings around its path, the cord sweeps over the surface of a cone. The cord makes an angle è with the vertical,
asked by Cole 
physics
Consider four vectors F1, F2, F3, and F4, with magnitudes are F1 = 41 N, F2 = 24 N, F3 =27 N, and F4 = 51 N, and angle 1 = 150 deg, angle 2 = −160 deg, angle 3 = 39 deg, and angle 4 = −57 deg, measured from the positive x axis with the counter
asked by anonymous 
Chemistry  matter and energy.
Distinguish between the view of matter and energy in microscopic world and view matter and energy in the quantum mechanical world. I do not understand this question, i tried googling it, but hardly got something to give me an idea about. Please help.
asked by Farah 
math
I am a number between 20 and 30.When you put me into 6 equal groups,there is an even number in each group and 1 left over. i cant figure out how to solve this
asked by Ethan 
Trig
The angle of elevation to the top of a building from a point on the ground is 39 degrees. From a point 50 feet closer to the building, the angle of elevation is 48 degrees. What is the height of the building?
asked by Chetan Munsell 
Chemistry
Carbon dioxide gas has a solubility of 0.0972g/100g H2O at 40. Expressed in parts per million, this concentration is closest to a) 0.972ppm b) 9.72ppm c) 97.2ppm d) 972ppm
asked by Jazmine 
Environmental engineering
Characterize the risk for a chronic daily exposure by the water pathway (oral) of 1.34 x 10^4 mg/kg/day of tetrachloroethylene, 1.43 x 10^3 mg/kg/day of arsenic, and 2.34 x 10^4 mg/kg/day of dichloromethane (methylene chloride).
asked by Sara 
math
how do i write 5.1 x 10^6 as a number in standard form?
asked by angiie 
physics
As it passes over Grand Bahama Island, the eye of a hurricane is moving in a direction 48 degrees north of west with a speed of 13 km/h. Three hours later, it shifts due north, and its speed slows to 75 km/h. How far from Grand Bahama is the eye 4.50h
asked by anonymous 
maths
there are 8 doors behind each door is a number each number is less than 20 no 2 numbers are the same they add up to 93 what are the numbers
asked by joe 
Geometry
How do i do glide reflection on a graph? example. which glide reflection could map figure ABC to figure A'B'C'? a.translation of and reflection over the line x= =1 etc. I cant show you the graph but im stuck on glide reflection for graphs. Help please.
asked by Christina 
Chemistry
Aluminum metal is used in many products. It quickly reacts with oxygen in the reaction 4Al (s) + 3O2 (g)> 2Al2O3 (s). Which component is different on each side of the equation arrow? a. mass b. atoms c. moles d. all are the same.
asked by Will 
PreAlgebra
I need help with scales, please! Q: You are making a scale drawing of a room using a scale of 1inch:4feet. a) The room is 14 feet by 18 feet. Find its dimensions in the drawing. b) A sofa in the room has a lenght of 6 feet. Find the length of the sofa in
asked by Erin 
Math
Assume you work at a company where you are paid hourly. You are paid $8.60 per hour for regular time (less than or equal to forty hours) and time and a half for overtime hours up to fifty hours in one week. If you are asked to work fifty or more hours in
asked by Anna 
Chemistry
You need 3.0L of 0.13 M salt solution. All you can find is 0.40 M salt solution. How much of that solution will you need in order to make your desired solution (in liters)?
asked by billy 
Spanish 1Please check my answer
Eres mayor o menor que tu hermano? Would I say Soy mayor que tu hermano. if I was older than him? or should I say something else? Thank you
asked by Juilianne 
geometry
Side of cube=6cm Sphere is placed in cube.Calculate volume of cube.Calculate volume of sphere.What percentage of the space in the cube does the sphere occupy?
asked by reshma 
Math
Joe has a collection of nickels and dimes that is worth $6.05 if the number of dimes was double and the number of nickels was decreased by 10 the value of the coins would be $9.85 how many nickels and dimes does he have?
asked by Lisa 
Science
An Organism's needs are met by what types of resources?
asked by Ayana 
chemistry
if you react one mole of sodium hyrdoxide with excess copper(II) sulfate, how many moles of copper(II) hydroxid are produced?
asked by valentina 
calculus
Please help me solve this equation. log[2](3)+log[2](x)=log[2](5)+log[2](x2) 1. Solve equation by setting up algebraically. 2. Use appropriate properties of Logarithm to reduce the number of logarithmic terms to only one. 3. Solve logarithmic equation.
asked by Marie 
Chemistry
What is the rate law of the reaction 2NO2 gives N2O4?
asked by Sam 
math
Luis Giron works at the Pancake Palace from 3:00 p.m. until 12:15 a.m. 5 nights a week. If he takes a 30minute break each evening, how many hours per week does he work?
asked by Anonymous 
mayh
A ship travels at a constant speed of 25 kilometres per hour (Kph) in a straight line from port A located at position (x_A, y_A) =(100, 100) to port B at (x_B ,y_B )=(300 ,100). A) Find parametric equation for the line of travel of the ship .your
asked by emy 
math
How do i find the extrema (local maximum and minimum) by using the first derivative of: x^3(3/2)x^2?
asked by charlie 
Chemistry
I wrote the dissociation or ionization in water for each of the following acids. I just want someone to check if they are right. a) HC3H5O2(aq) H^+(aq)+ C3H5O2^(aq) b) (CH3)2NH2^+(aq) H^+(aq)+ (CH3)2NH(aq) c) CH3COOH(aq) H^+(aq)+ CH2COOH^(aq) d)
asked by Sara 
algebra
In the annual walkathon, Lee jogs for 5 3/4 miles more than he walks. If he travelled a total of 15 miles, how many miles did he walk?
asked by jon 
advance accounting
consolidation,prepare the journal entries on books of phillips to recod the acquistion of solina company's net assets
asked by Anonymous 
math
It took a small plan 1 hour longer to fly 480 miles against the wind than it took the plane to fly the same distance with the wind. If the wind speed was 20 mph, then what is the speed of the plane in calm air?
asked by Anonymous 
Social studies
What's the luisiana purchase
asked by Thalia 
algebra
please write and equation, show your work, and find the answer: 1.a certain twodigit number has a value that is seven more than six times the sum of its digits. the tens digit is 3 more than the units digit. find the number 2.In Colorado Creek, Darrell
asked by Bri 
Physics
A railroad car with a mass of 1.91 multiplied by 104 kg moving at 2.86 m/s joins with two railroad cars already joined together, each with the same mass as the single car and initially moving in the same direction at 1.40 m/s. What is the speed of the
asked by Miranda 
trig
how would I know what csc 450 degrees ? I know that csc is hypotenuse over opposite, but then when I graph this the opposite is the hypotenuse so how am i supposed to solve it?
asked by Amy 
science
Teacher gave us homework that I really don't understand. We must write chemical reactions by which we differentiate alcohols, esters, hydrogenic carbon,carboxylic acid and halogen alkanes from each other. We must not write the same reaction for two
asked by Nina 
6th grade science
My son has to Compare and Contrast a normal fault and a reverse fault. Can you tell me if there is something he has left out in his answer? After reading in his science book this is what he wrote In comparing and contrasting a normal fault and a
asked by Mom needs help 
FINITE
Assume that the box contains 9 balls: 1 red, 2 blue, and 6 yellow. As in the text, you draw one ball, note its color, and if it is yellow replace it. If it is not yellow you do not replace it. You then draw a second ball and note its color. 1) What is the
asked by Hilhellpp! 
Chemistry
When 9.18 g of a soluble nonelectrolyte was dissolved in 100 g of ethanol at 78.4°C, the vapor pressure of the solution was measured to be 740 mm Hg. a) What are the mole fractions of ethanol and solute? b) What is the molecular weight of the solute?
asked by Anonymous 
English  Native speakers
Hello! Need some help from native speakers of English. I cannot understand the following sentence: One recent catalog featured a customer sporting an insulated Patagonia guide jacket as she rescued a calf born during a Colorado snow storm. Is sporting here
asked by tee 
english
I was given an assignment to write a one paragraph essay. I need you to pls help me with my essay on "the sniper" by liam o'flaherty. you can tell me where i went wrong and anyother thing. This is my essay so far: War knows no boundaries(age, sex, location
asked by ted 
Math
Solve for x. 14^(3x)=11^(x3) Write the exact answer using base10 logarithms How do I start this problem? Thank You
asked by Rachal 
science
Why are the Catskills not really mountains? a the catskills are lowlands b all mountains must be volcanic in origin c the horizontal rock structure shows no deformation d the catskills are a direct deposit of the last pleistocene glaicer
asked by bill 
Art Appreciation
Thematic Substance: Tintoretto’s and da Vinci’s Last Supper. Contrast Tintoretto’s The Last Supper with Leonardo’s Last Supper. In your post, include the differences in media as well as thematic substance.
asked by Deann Morgan 
Hum/176
Which corporations own which television networks and other media outlets? How does this corporate centralization of ownership affect their news coverage? How much influence do you think these corporations have on the public?
asked by Darlene 
English
Please check for any errors and correct them for me. Enclosed is the information you requested concerning our float trips down the Colorado River in the Grand Canyon. All departure dates and prices for the various trips are listed in our booklet. At this
asked by Angie 
English
Whats your opinion on Corporate sposorships in schools?
asked by Mr. Lan 
physics
A pigeon flying horizontally at a speed of 16.0 m/s drops a stolen Rolex watch. The timepiece falls to the ground in 2.90s. (a) What was the watsh's altitude when it was dropped? (b) how far horizontally did it travel before it smashed into the deck?
asked by girl 
math
if Amy stands 36 feet from a flagpole and the angle formed from the top of the flagpole to her feet is 38 degre, find the distance from her feet to the top of the flagpole. include correct units in your anwser and round to 2 decimal places...
asked by joey 
math
The gas tank in Micheal's car can hold 18.0 gallons. If the tank currently contains 5.5 gallons, what fraction of the tank is full?
asked by leila 
math
if csc= 7/10 and cos >0. a) draw a triangle in the correct quadrant with three sides properly labled. b) find the exact value of 7cot 4cos. This means no decimals. find a common denominator and rationalize all denominators. simiplify completely
asked by joey 
8th grade math
Jessica is creating a heartshaped card to give to her valentine. She has folded a square piece of paper in half and traced the pattern onto one half of the folded paper. The pattern consists of a right triangle with hypotenuse of length 7 1/2 inches and a
asked by Anonymous 
Earth Science
need to find the mystery phrase made from the following letters DNALFOSSERGORPEGA
asked by Maria 
Colonies in the Wilderness
Describe the system of government in Canada in 1791. The system of government of Canada in 1791 ws a colonial government. It placed power in the hands of a small group of rich and influential men. It was known as oligarchy. It had a legislative assembly,
asked by Sara 
chemistry
what are the theoretical mole ratios of copper(II) hydroxide and sodium sulfate?
asked by valentina 
Colonies in the wilderness
How did the British Govnt react to the ninetytwo resolutions? This is one question which has stumped me, I cant seem to find the answer. I had that it replied bak with ten resoultions not accepting the rights of the assembly...not sure...
asked by Sara 
chemistry
Explain what a limiting agent is and how to identify it
asked by valentina 
child day care management,health,safety,and nutrit
Q; Which one of the following conditions may result in dehydration? A.diaper rush B.diarrhea C.apnea D.hyperventilation My answer is B is that corect??? thank you
asked by alex 
chemistry
If 2 moled of copper(II) sulfate react with 3 moles of sodium carbonate, identify the limiting reagent.
asked by valentina 
managerial economics
Where might I find the answer to the following: US cigarette makers face enormous punitve damage penalties after a series of class action lawsuits. In spite of these the cigarette makers were able to avoid bankruptcy. I need to explain why and how using
asked by Linda S 
fraction
maria's pizza is cut into 8 pieces, and jennifer's pizza is cut into 12 pieces. maria eats 6 pieces of her pizza, and Jennifer eats 7 pieces of her pizza. what fraction of pizza shows how much less pizza jennifer ate than maria
asked by Anonymous 
calculus
How do I find the indefinite integral of h(u)=sin^2(1/5u) this is one fifth u. Does it involve double angle formulas? Thanks.
asked by mary 
chemistry
A solution that contains 0.500 g phenol in 12.0 g cyclohexane freezes at ¨C2.44¡ãC and boils at 81.94¡ãC. Calculate the freezing©\point depression and boiling©\point elevation constants for cyclohexane.
asked by Anonymous 
AP Physics B
The fundamental frequency of a string fixed at both ends is 388 Hz. How long does it take for a wave to travel the length of this string?
asked by Jackie 
chemistry
2.) A 48 g sample of water at 75 °C is mixed with 32 g water at 18 °C. Find the temperature of the mixture.
asked by kate 
conceptual chemistry
the density of air at 25dergees C and 1 atmosphere of pressure is about 1.18 g/L. What happens to the dnesity of air as the temperature is increased. When the pressure is incrased?
asked by Eileen 
algebra I
What is the expression for "the difference between five times a number and twice that number"?
asked by brit 
child day care management,health,safety,and nutrit
Q; at the sensorimotor level of cognitive development,a child A.canmove her arms,legs,and head,but can't move her body over distance. B.can achieve short bursts of speed and strenght but can't ssustain them C.depends mostly on visual cues from adults for
asked by alex 
Precalcus Urgent HELP PLEASE
Evaluate the function at the indicated value: g(x) = 3x/3+x g(a3)=
asked by Anonymous 
chemistry
A 25 gram sample of H2O at 37.3C is mixed with 45 grams of H2O at 72.9C. What is the Temperature final of the mixture.
asked by reginajones 
chemistry
if 2.7 moles od sodium carbonate reacts with 5 moles of copper(II) sulfate, how many grams of sodium sulfate will be produced?
asked by valentina 
French
Estce que tu voyages beaucoup? Ou? Oui je Voyage beaucoup à Vancouver. Estce que tu aimes prendre des photos? No je n'aime pas prendre des photos. Estce qu'il y a une fete dans ta ville? Quand? Oui, il ya un festival dans ma ville et c'est le jour du
asked by Anna 
science
Could you see the North Star in the southern hemisphere
asked by pam 
physics
An astronaut on the surface of Mars fires a cannon to launch an experiment package, which leaves the barrel moving horizontally. Assume that the freefall acceleration on Mars is three eighths that on the Earth.(a) What must be the muzzle speed of the
asked by Anonymous 
math
I have been doing this prblem for hours and am trying to see how they get this answer. Please help! One eighth of an audience consisted of boys and onefourth consisted of girls. What percent of the audience consisted of children?
asked by gary 
English
Can someone direct me to where I can get an analysis of "Son" by John UpdikeI have searched everywhere and I'm totally confused on this short story Thank you
asked by Jillian 
Art Appreciation
Florence, the Dominant CityState. Explain how Florence reflects the ideals of the dominant citystate and how some of the geographical, economical, social, and artistic forces shape this ideal.
asked by Deann Morgan 
English
Please read for any errors. And correct them. The premium on your disability insurance policy is overdue. Don’t let his valuable policy lapse. If you become disabled you will receive a monthly income from this policy. This disability policy provides
asked by Renell 
chemistry
What is the rate law for N2O4+CO yields NO+CO2+NO2?
asked by Jason 
child day care management,health,safety,and nutrit
Q; the main goal of effective health education programs for young children is to A. provide children with the knoweledge to eat and exercise properly B.promote criticalthinking skills,behaviors,and attitudes C. teach children that authority figures are
asked by alex 
math
adding fractions with unlike denominators: 7/9 + 5/6?
asked by matthew 
math
solve using the elimination method. If the system has no solution or infinite number of solutions a state this 4x6y=30 3x5y=24
asked by nicholas 
AP Physics
The fundamental frequency of a string fixed at both ends is 388 Hz. How long does it take for a wave to travel the length of this string?
asked by Jackie 
English
1. Neither (she, her) nor Doreen wanted to play a statute that came to life. 2.Finally Brad and (me, I) convinced Doreen that it would be a funny version of the myth. 3.(Him, He) and I flipped a coin to see who would play the part of Pygmalion. 4.Doreen
asked by Hayden 
child day care management,health,safety,and nutrit
Q; the interaction between a child's biological makeup and the enviromental influences that affect his or her development and behavior is called the A. balanced system approach B. ecological system theory C.body in the classroom analysis D. me\them dynamic
asked by alex 
child day care management,health,safety,and nutrit
Q; a main source of fat and saturated fatty acids in children's diets is A.meat B.candy C.whole milk D .french fries My answer D corect?
asked by alex 
History
What were some pros and cons about the Athens, for men and women
asked by Angie 
geometry
An object is made from a cylinder with a hemisphere at each end.r=5cm, height=12 .Calculate volume.
asked by reshma 
Calculus
a rifle aimed horizontally and 5 feet above level ground fires a bullet with a muzzle velocity of 3000 ft/sec. How far does the bullet travel from the end of the muzzle before it strikes the ground? (Ignore air resistance)
asked by Jr 
physics uncertenty
What is the algebraic expression for the uncertainty in the centripetal acceleration σac for uniform circular motion in terms of the uncertainties in the period and the radius of the motion? (Use the following as necessary: σT, σr, ac , T, and r.)
asked by Johnathon 
business communication
what are some of the intercultural differences that managers of a U.S. based firm might encounter during a series of business meetings with a china based company
asked by joy 
Math
What is the sum of the interior angle measures in an equilateral triangle?
asked by Jameer 
Physics
How far does a point on the circumference travel if the wheel is rotated through an angle of 28.6 rads?
asked by Megan 
Science
In an experiment, BEtsy dissolves 18 grams of powdered dye in 100 grams of pure water. The colored water is then heated on a hot plate, whenthe colored water evaporates completely, how much dye will be left?
asked by Thalia 
Stats
I need help with this problem for school. For the first one i got .3758 and second 1.6, but i don't think they are right. My calculations are off It is known that about 20% of car insurance policies include emergency road service. Suppose we randomly
asked by John 
Clark/Networking
You’re asked to design a network for use in a training environment. It should be mobile, easy to set up, and simple to tear down. Speed is not an issue. Develop a network design that accommodates these requirements and keeps costs down.
asked by Merrie 
English
I forgot to include the following sentences. Thank you very much for your help. 1)Meanwhile Malcolm, Duncan’s son, is marching into Scotland with an army. His soldiers cut branches from the trees of / in Birnam Wood, to use these as camouflage to cover
asked by Mike 
biochemistry
What is the number of g of NaCl in 500 ml of a 10% (w/v) solution? 1. 5% 2. 10% 3. 50% 4. 1% 5. 15%
asked by Anonymous 
biochemistry
What is the number of g of NaCl in 500 ml of a 10% (w/v) solution? 1. 5% 2. 10% 3. 50% 4. 1% 5. 15%
asked by Anonymous 
science
Explain why ionic compounds are formed from the left side of the periodic table reacts with nonmetalfrom the right side.
asked by Philip 
child day care management,health,safety,and nutrit
Q; children should be physically active______adults. A.less than B. more then C.twice as much as D.the same amount as my answer is B is that corect?? tks
asked by alex 
Math
Find the points on the graph of the following function where the slope of the tangent line is equal to 5/2. f(x) = x+5/x5 (x, y) = (smaller xvalue) (x, y) = (larger xvalue)
asked by Lynette 
algebra
Mat116 appendix F problem #2 2. As you are leaving the community, you notice another new community just down the street. Because you are in the area, you decide to inquire about it. a. The sales representative here tells you they also have two floor plans
asked by Chris 
Colonies in the wilderness
Why was the government of Canada(1791) not truly a representative government? This system was not truly a representative one because a representative government is one in which representatives are elected by people to make laws on their behalf, and this
asked by Sara 
Spanish6th gradePlease check my answers
Could you please check these I think they're correct but I'm not sure. 1.How old am I? Tengo once años. 2.How old is your father? Mi padre tiene cuarenta y seis. 3.Do I have siblings? Sí,tengo dos hermanos. 4.Son mayores or menores? Son mayores. 5.Are
asked by Samantha 
math
how tow write two word phrases for t/30
asked by jane 
math
the sign reads: receive a $10 gift card for every $50 spent. 1) If your reward is $10, what do you know about the amount of your purchase? 2) Give three possible amounts if your reward is $20. 3) What should you do if your total purchase is $98? Explian
asked by stacy 
math
Please help me? y=log(x+1) a. Write the equation as an exponential equation and solve for x. b. Switch the variables in your answer to part a (Change x to y and vice versa). Write the new expression.
asked by Amy 
algebra
a grade 6 class has 15 boys 12 girls. what is the ratio of boys to girls in the class?
asked by Anonymous 
English
Can you please check these questions on the slave trade I have to prepare for tomorrow? Thank you very much. 1) What did farmers in the South of the United States usually grow? Sugar and cotton 2) Who were African slaves sold to? To white farmers. What did
asked by Mike 
hum/176
post a 150 to 300word response to the following discussion question by clicking on Reply: Has the explosion of available information made media coverage better or worse? How did the Fairness Doctrine affect media coverage, and are you for its revival or
asked by Darlene 
Algebra
(x3)/(x^24x+3) Hello My name is Megan Watt, and I have no idea how to solve this. I am so lost.
asked by Anonymous 
child day care management,health,safety,and nutrit
Q; neuron development and elaboration,which occurs between birth and age 10,is prompted by A.aural prompts from the family,school,and environment. B.physical movement on the part of the child C. intake of foods rich in vitamins and minerals D. exposures to
asked by alex 
business communication
Should you bribe a customs official to speed up delivery?
asked by joy 
Algebra B
x^2  5/2x + 25/16 = 4 + 25/16 = (x5/4)^2 = 64/16 + 25/16 = (x5/4)^2 = 39/16 Would someone please explain how we arrived at (x  5/4)^2 = 64/16 + 25/16 from x^2  5/2x + 25/16 = 4 + 25/16 Thanks in advance for your help.
asked by Nancy 
chemistry
if 25 Liters of H2 is reacted with excess chlorine gas ( Cl2 ), how many grams of HCl can be produced?
asked by sadie 
early childhood literacy
words are a. convenient communication shortcuts b. not arbitrary symbols c. unique to each individual in English d. thoughts written down. Ichose A as i am aware that they are aribitrary symbols but it has the not in front. cansomeone please check for me
asked by Anonymous 
Finance
A commercial paper note with a $1 million par value and maturing in 60 days has an expected discount return (DR) at maturity of 6 percent. What was its purchase price? What is this note’s expected couponequivalent (investment return) yield (IR)?
asked by Anonymous 
MATH
if cscè= 7/10 and cosè >0. a) draw a triangle in the correct quadrant with three sides properly labled. b) find the exact value of 7cotè 4cosè. This means no decimals. find a common denominator and rationalize all denominators. simiplify completely
asked by joey 
Algebra
How would you solve this using substitution method y= 3 + x 2x + y = 8
asked by Donna 
world literature
list two of the red herrings that The Thinking Machine sets up for the warden in "The Problem of Cell 13"
asked by kayla 
Math
There are 6 different shapes in a bag, each student will draw one shape, trace it, then return it to the bag. How many outcomes are possible?
asked by Zack 
english
An analogy question......pieces are to puzzle as words are to ..... ???
asked by kk 
visual arts
how to make a theme about death and life?
asked by shan 
Math
In solving the eqaution(x+4)(x4),Eric stated thatthe solution would be x+4=33=>x=29 or (x4)=33=>x=37 However, at least one of these solutions fails to work when substituted back into the original eqaution. Why is that?Help Eric to understand better,solve
asked by Sonya 
Math
If a stone is tossed from the top of a 330 meter building, the height of the stone as a function of time is given by h(t)=9.8t^210t+330, where t is in seconds, and height is in meters.After how many seconds will the stone hit the ground? round to the
asked by Mike 
Math Algebra II
Please check if I did this right... √(2x+1)+7= 3 7 7 √(2x+1)= 4 Square everything √(2x+1)^2= 4^2 2x+1=16 1 1 2x=15 divide by 2 on both sides x=7.5 CHECK: (Plug it in) √(2(7.5)+1)+7= 3 √(16)+7= 3 4+7=3 11 doesn't equal 3 so the answer is no
asked by Lala 
chemistry
if 25 grams of copper reacti with 70 grams of sodium carbonate, identify the limiting reagent.
asked by valentina 
Math
solve using the substitution method. If the system has no solution or infinite number of solution state this 4x+4y=36 4x+4y=12
asked by Tammy 
writing
In this sentence i need help identifying the noun,pronoun,and verb. "The ginko tree, which is one of the world's oldest tree, is large and pictureque."
asked by Trivia 
english
I was given an assignment to write a one paragraph essay. I need you to pls help me with my essay on "the sniper" by liam o'flaherty. you can tell me where i went wrong and anyother thing. This is my essay so far: War knows no boundaries(age, sex, location
asked by ted 
Math
Every morning Leah runs about 5/8 mile. At this rate, about how many miles does leah run in 2 weeks?
asked by Help 
child day care management,health,safety,and nutrit
Q;Fouryearold Jacob comes from a family in which hypertension is common.It's probable that Jacob will need a diet that's low in A.fats B.iron C.salt D.sugar My answer is A or can be D ??? TKS
asked by alex 
chemistry
How many grams of gasoline would you need to burn if you started with 275 gram piece of ice that started at 25C and by the end of the expirement had 100 grams of steam and the rest liquid water?
asked by reginajones 
chemistry
The molar heat of solution of a substance is found to be +35.34 kJ/mol. The addition of 0.20 moles of this substance to 1.5 L water initially at 55. °C results in a temperature decrease. Assume the specific heat of the resulting solution to be equal to
asked by kate 
personal planning
WHAT IS ALCOHOL!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
asked by jugveer's cousin 
history
i have a history test tomarrow and am not so confident about it...do u know any methods that could help me by tomarrow?
asked by patri 
science
If car ahas mass of 2000kg and car b has mass of 4000kg@3 miles per sec what is momentum?
asked by Tamara 
Discrete Math
f: A→B, g: B→A Is g ° f defined? If so, what is its domain and range?
asked by Beth 
Medical Information Management Office
According to a December 4 hospital census of 100, what are the total inpatient service days for December 5? Admissions 10 Discharges 2 A & D 1 A. 90 C. 100 B. 109 D. 110 Total inpatient service days are the total number of services received by all
asked by Nadya Crouch 
math
if i have 16 ft 5 inch of wall paper and use 8ft 9in of the wall paper. How much do i have left
asked by kamal 
child day care management,health,safety,and nutrit
Q; growth,maturation,and learning are all used interchangeably with the term A.development B.maintenance C.exposure D.regression My answer is A is that corect???
asked by alex 
Math PLEASE PLEASE HELP ME
1.Find the derivative of the function. f(t) = (1+squrt t)(8t^27) 2. Find the derivative of the function. f(x) = (x^3  4)/(x^2 + 4)
asked by Anonymous 
math
a small mail order company earns a 15% profit on all sales. if the company earned $5250 one month, how much were the total sales.?
asked by sandra 
Algebra
(z^3+3z^2+2z+6)/(z^2+5z+6) I don't know what to do??????
asked by Megan Watt 
writing
write about your favorite room in your house
asked by bernard 
trig
sin(π) + cos 5π how to solve without a calculator. Please write steps and explain thank you
asked by Amy 
Algebra
problem 1. (2x^25x+3)/(x^21)*(x^2+1)/(2x^2x3) problem 2. (n+3)/(2n^2n3)(n^23n)/(2n^2n3)
asked by Megan Watt 
Calculus
a rifle aimed horizontally and 5 feet above level ground fires a bullet with a muzzle velocity of 3000 ft/sec. How far does the bullet travel from the end of the muzzle before it strikes the ground? (Ignore air resistance)
asked by Jr 
GEOMETRY
Sphere and hemisphere have same volume. Radius of sphere =7cm
asked by reshma 
history
when did Aryanspeaking people come to the Indus valley?????
asked by Hannah jane 
u.s. history
How did the South, with fewer supplies and resources, manage to stall a Northern victory for four years?
asked by jessica 
Aztecs
What goods were found in a typical aztec marketplace????
asked by Erika 
English
I still have a few doubts about Macbeth's plot.I hope you can have a look at them. 1) Lady Macbeth gives the king’s guards a lot to drink and in the middle of the night Macbeth kills Duncan with the knife of one of the soldiers. 2)The next morning the
asked by Mike 
biochemistry
What is the composition of 17 g glucose in 375 ml solution in % (w/v)? 1. 22.1% 2. 4.53% 3. 2.21% 4. 0.453% 5. 17%
asked by Anonymous 
math
write a decimal addition problem that is illustrated by the lengths of segments ab,bc,and ac
asked by ilyas 
biochemistry
What is the composition of 21 g NaCl in 500 ml solution (density 1.12 g/ml) in % (w/w)? 1. 0.375% 2. 21.25% 3. 3.75% 4. 4.75% 5. 2.125%
asked by Anonymous 
math
what must be the dimensions of a rectangle to have an area of 125 cm^2 and a perimeter of 60 m?
asked by Anonymous 
spanish
how do say la senora va de compras in english
asked by Anonymous 
math
if i have 2/4,what are two equivalent fractions?
asked by Miranda 
THE AGE OF DISCOVERY TO THE AMERICAN EXPERIMENT
Jacques Cartier sailed to the New World in 1534 in search of A. Montreal. B. Newfoundland. C. the Gulf of St. Lawrence. D. a northwest passage to China.
asked by Anonymous 
Math
If you have 36 paper cups and you build a pyamid with a base of 8 what is the height?
asked by Hemlock Middle School 
world histiry
what is the order of the pyramid of the japanes fuedal system
asked by donna 
Algebra: Please Help
Use the divisibility rules to determine which number is a factor of 39. Is the answer 3?
asked by Cheryl 
Math
How do you solve: n is 2 given that it is even The directions say "let n be a randomly selected integer from 120. Find the indicated probability"
asked by Biren bahkta 
Math
Shawna thinks that 8 x 2 = 17. What number pattern shows that she is not correct?
asked by Elise 
math
my house payment is 800 dollars a month @ 5.5 % interest for 30 years at the end of 30 years ,how much would i pay ?
asked by thomas 
math
my house payment is 800 dollars a month @ 5.5 % interest for 30 years at the end of 30 years ,how much would i pay ?
asked by thomas 
chemistry
When a piece of copper weighing 250 grams is placed n a cup with 450ml of H2O at 21C and the Cp of te cupis 47J/K, how many grams of gasolne would it tae to heat the system to 110C?
asked by reginajones 
ENGLISH
Please read for any errors. And correct them. I really would appreciate it. After talking with you, I feel I must again apprise you of the importance of keeping in mind that you should not overdo your initial engagement in strenuous exercise. If you start
asked by ARB 
Algebra IIPlease check my solution
Solve by elimination methodthanks fro checking my work 2x + 3y= 2 multiply this equation by 2= 4x + 6y = 4 4x2y = 28 4x + 6y = 4 4x 2y = 28 8y = 32 y = 4 2x + 3(4) = 2 2x + 12 = 2 2x + 212 2x = 10 x = 5 solution = (5,4)
asked by Joella 
science
What would be the effect on satellites now in orbit if the earth stopped rotating
asked by clay 
child day care management,health,safety,and nutrit
Q; as a day care worker,you should be familiar with the development of children. Which one of the following items is a developmental achievement of a twomonthold infant? A.rolling from site to back B.eruption of teeth C. good control of head D.turning
asked by alex 
Art Appreciation
Impact of Photography on Landscape Art. Assess the impact of photography on the 19th century landscape. How did it affect paintings?
asked by Deann Morgan 
Economics
Discuss whether the minimum wage will reduce the poverty trap? I need 3 ways for and 3 ways against
asked by Hannah 
Math
Express 19 dm in square centimeters by filling in the blank: 19 dm sq = _ cm sq
asked by Faith 
child day care management,health,safety,and nutrit
Q; a strategy for health promotion among infants,toddlers,and young children focuses on educational programs, psysical fitness,activities,and  A. family planning B.tabacco,alcohol,and drug use. C. nutrition D. mental health and mental disorders My
asked by alex 
English
Please check for an errors and correct them for me. As you know two miners was injured last Tuesday in the rock fall in entrance eight near the face. One of the miners is still in the hospital. I understand that he will be released in two or three days.
asked by Brown 
math
use the discriminant to determine whether the following eqautions have solutions that are;two different rational solutions;two different irrational solutions;exactly one rational solution;or two different imaginary solutions x^2=3x6
asked by sam 
history
subject: Sociology. I would like a 5 page Article on thetropical strom headed towards Haiti
asked by Debbie Burris 
child day care management,health,safety,and nutrit
Q; ____have more than twice as many of calories as do proteins or carbohydrates A.fats B.salty foods C.solubles D.alkaloids my answer is A is that corect thank you!
asked by alex 
math
given the linear equation y = 2/3x 2. find y coordinates of the points (9) (3) and (6)
asked by candie 
history
When did The Angles and Saxons take over England???
asked by Hannah jane 
Math
For value cos (8ð/3). b) write cos (8ð/3) in terms of an algebraic sign and cosine of the reference angle find the exact value of what you found in part b using a cheating chart. no decimals please
asked by sam 
pre algebra
Write a rule that expresses the number of quarts q of a liquid as a function of each of the following
asked by John 
polymer science
its possible to convert the commercial polymer into nano polymer and its affact any property of polymer
asked by pradee 
maths
how do you draw translations of rotation of 90 degrees im not sure?
asked by chloe 
algebra
factor x/x2(square)+9x+4
asked by RAM 
Maths
How do you work out and show difference between 2 numbers i.e 60 students and 40 students out of 100
asked by Shannon 
math
solve using the elimination method.show your work. if the system has no solution or infintite number of solutions, state this 4x6y=30, 3x5y=24
asked by Tiana 
leadership
apply these theoretical perspectives to at least one specific ethical dilemma that leaders and/or managers at ECG may encounter when providing consulting services to a diverse international client base as the organization prepares for an ECG IPO and
asked by cp 
South
In solving the equation (x + 1)(x – 2) = 54, Eric stated that the solution would be x + 1 = 54 => x = 53 or (x – 2) = 54 => x = 56 However, at least one of these solutions fail
asked by Nicole 
English
I really need you to check these sentences please.Thank you. 1) A group of his fans were (not was?) waiting outside his flat. 2) While he was walking across the square, he stopped to sign a record for Mark Chapman. 3)When he returned home, Mark was still
asked by Mike 
science/chemistry
what does these equations mean metal+water=metal hydroxide+hydrogen
asked by chloe 
trig
cos θ = (2√(2)) / (3) sin θ =  (1/3) then what would the triangle look like, the placement of the sides on quadrant 1,2,3, or 4?
asked by Amy 
math
so i am having trouble finding the answer h't if h(t)= 5/t^1/4  6/t^2/3
asked by kelly kelly 
Chemistry
If you were given 0.021 milligrams of the compound,H3PO4, what would the mass of H in the sample be?
asked by Ariana 
child day care management,health,safety,and nutrit
Q; a child practices tossing a ball into a hoop from the same distance each day. What type of knowledge is he using? A.adaptive B.regressive C.hypothetical D.assimilative My answer is A is this corect
asked by alex 
science
definition of light, transmission, and absorption
asked by cameron 
child day care management,health,safety,and nutrit
Q; fats should not account more than____percent of total daily calories A. 10 B.30 C.50 D.75 my answer is B Ms.Sue is that corect Thank you so much!
asked by alex 
science
Does it take more effort to get up and walk a rolling chair accross the room than it takes to sit and scoot it accross the room Karen
asked by karen 
child day care management,health,safety,and nutrit
Q; complete proteins can be found in A.beans,rice,and nuts B.only beef. C.citrus fruits and highly acidic vegetables D.meat,fish poultry,eggs,and dairy My answer is D but also can be A not shore,need hellp pls
asked by alex 
calculus
Consider the function . a. Find the domain and range of h. b. What is the inverse of h? c. Find the domain and range of h. d. Is h a function? Explain
asked by Anonymous 
child day care management,health,safety,and nutrit
Q; A child in your program has just returned after having chickenpox.You notice that she still has a few dry scabs.What should you do? A.send her home.she is still contagious B.welcome her back and let her know what there is to do today C.allow her to
asked by alex 
chemistry
If compound x has a firstorder halflife of 24 seconds, how long would you have to wait for only 33% of the original material to be left?
asked by reginajones 
algebra
rewrite with positive exponents.Assume that even roots of nonnegative qauntities and that all denoinators are nonzero (3/ua^2)^4
asked by cheryl 
FrenchSimple question
Im trying to find out what each person is studying. Every person in my text has a bubble over their heads, and in that bubble is a picture such as...one person had a bubble picture of a microscope over their heads, so that would mean that they are studing
asked by Anna 
child day care management,health,safety,and nutrit
Q; the introduction of semisolid foods to a fivemonthold infant may be delayed if A.the infant has bottle mouth syndrome B.family members have a history of allergies C.the infant consistently prefers a bottle D.the infant is teething My answer is B is
asked by alex 
ENGLISH
Please read for any errors. And correct them. I really would appreciate it. We are considering updating our computer system. We have computer stations that are presently standalong stations. We would like to discuss with you the cost of networking 25 new
asked by Renell 
calculus
PLEASE help me. y=log(x+1) a. Write the equation as an exponential equation and solve for x. b. Switch the variables in your answer to part a (Change x to y and vice versa). Write the new expression.
asked by Krystal 
math
Find the radius of a circle with the given circumference. 8.4 in. r = 3 in. 3ã2 in. 6 in. 12ã2 in. is it 6 in?
asked by danny 
Trigonometry
what is the domain of h(x)=.002sec(3pi(x.25))+27?
asked by John 
pop culture and art
illustrate the relationship between art and american culture
asked by cindy 
Trigonometry
How do I find the radius of a circle that contains the point (12,15)
asked by Meaghan 
Math
Find the derivative of the function. f(x) = (x+1)(4x^28x+7)
asked by Anonymous 
english
i a writting a character sketch on the short trifles on minnie wright i need 3 adjectives from the book for my 3 body paragraphs and quote them from the play
asked by kimt 
Algebra
(x3)/(x^24x+3) Hello My name is Megan Watt, and I have no idea how to solve this. I am so lost.
asked by Megan Watt 
writing
what you would you do if had $100.00
asked by bernard 
math please help
temperature before change = 40 degrees temperature change =up 7 degrees identify the number model below that is correct. then cross out the incorrect model and complete the correct one. 40+7=? or 40+(7)=?
asked by lily 
Algebra
Solve using qaudractic formula.Then use a calculator to aproximate to three decimal places,the solution as rational numbers x^24x+1=0
asked by Sarah 
Calc
Find the indefinite integral. Integral of (x+1)/(√(x²+2x4))dx Thank you for your help!
asked by Erica 
Calc
Find the indefinite integral. Integral of (2x)/(x4)dx Thank you so much!
asked by Erica 
calculus wxmaxima
does anyone know how to approximate the are and circumfrence of the region bounded by the given curves y=cos(x^2 +(100493/100000)), y=1+xX^2
asked by jessica 
Calc
Find the indefinite integral. Integral of [1/(4+3x²)]dx Thank you so much for your help!
asked by Erica 
Chemistry II
Why is YBa2Cu3O7 a super conductor? Explain Chemistry and Structural bases.
asked by Brittney 
science check plzzzzzzzzzz
if your computer uses 2.5A at 120V, how much will it cost to use the computer for 4 hours a day, seven days a week for two weeks? assume that the cost of electricity is $0.09 for every kWh*h of energy. i solved it like this way could you check of i got it
asked by kim 
math
how to graph the equations 9x+3y=15 and 6x4y=8
asked by john 
History
in one paragraph describe how the Monroe Doctrine has shaped the recent foreign policy decisions made by the U.S.
asked by Patrick 
algebra
telephone company a charges its costumers a fixed fee of 2dollars per monh plua 10cents a minute
asked by luis 
child day care management,health,safety,and nutrit
Q; What are the three main factors in a readiness model? A.maturation,learning,and motivation B.height,weight,and age C.psychological,social,and physical D.age,inteligence,and agility My answer is A is that corect? tks
asked by alex 
Ecology
Estimate the fish population of Lake Champlain using the LincolnPeterson Method. Number of fish of 1st capture: 60 Number of fish of 2nd capture: 65 Marked fish in 2nd capture: 10 Number of fish of 3rd capture: 65 Marked fish in 3rd capture: 15 Number
asked by Anonymous 
math
Find the derivative of the function and evaluate f '(x) at the given value of x. f(x) = 4x + 5/4x − 5 ; x = 4
asked by Anonymous 
math
8(4+8)=11(x+2)
asked by george 
English
How can Clara Bows influence be measured (both during the period and currently)?
asked by Attalah 
Calculus
find (d^2y)/(dx^2) if 5x^28y^2=8
asked by Mattie 
Math
The number of people waiting in a line for a movie hours (x) people (y) 1 170 2 230 3 290 4 350 Is this discrete or continuous data?
asked by Sally 
math
how to write twelve using three numbers that are the same apart from four
asked by lucy 
math
(x^2+4x21/x^26x16)*(x^28x+15/x^2+9x+14)
asked by Anonymous 
physics
My car is accelerating from o to 60 km/hr in 3.2 seconds. if the mass of my car is 2450kg and the froce of friction is 30 N, what is the force produced by my cars engine
asked by Anonymous 
Pre algebra
3(n+1)/7is greater than or equal to n+4/5 how would you work this
asked by Daniel 
math
Given the qaudratic function f(x)=x^26x+9 find a value of x such that f(x)=25
asked by john 
computer
need help in my homework to create a 300 words or more regarding a project like i'm in the market for a new personal printer. consider both price of the printer and the price of the consumables such paper and ink/toner.
asked by erianne 
child day care management,health,safety,and nutrit
Q; alcohol,drugs,radiation,and pollutants that affect a child's development are called A. teratogens B.toxic inhibitors C.transferal agents D.phenylanines My answer is B is that correct???
asked by alex 
advanced accounting
allocation of purchase price to various assets and liabilities
asked by Anonymous 
english
prosective of a paragragh
asked by carrie 
maths
maximise p=15x+10y
asked by kim 
CREEK SIDE ELEMENTARY
PRACTICE QUESTION HOW DO I FIND OUT THE ANSWER TO 15 1/64 3/8
asked by AMIAH 
polymer science
its possible to convert the commercial polymer into nano polymer and its affact any property of polymer
asked by pradee 
math
if csc= 7/10 and cos >0. a) draw a triangle in the correct quadrant with three sides properly labled. b) find the exact value of 7cot 4cos. This means no decimals. find a common denominator and rationalize all denominators. simiplify completely.
asked by joey 
math
16 input 11 output
asked by suany 
math
how do i make this a true sentence? 3=4+31/2
asked by angel 
Ethics
Has email impact on communication been positive or negative? why? Would you judge somebody by the quality of his or her email message? why or why not? Could someone professional reputation be enhanced or hindered by the quality and effectiveness of his or
asked by josh 
early childhood literacy
Are dottodot pictures,tracing, cutting and gluing all activities that develope writing skills. i am not show about Gluing as one can someone please check it for me
asked by Anonymous 
math
how do you solve this using substitution of system equations here's the problem 4=x2y and x+2=y
asked by Anonymous 
french
for french project: a) does 1/6 cup=2 tablespoons+2 teaspoons b) say that in french s'il vous plait!:)
asked by Gabrielle 
Math
Mr.Jensen is buying 2 dozen donuts for $10.98. True or False. The expression 8.5 x 2/10.98 could be used to represent the cost of 8.5 dozen donuts.
asked by Ashley 
calculus wxmaxima
does anyone know how to approximate the are and circumfrence of the region bounded by the given curves y=cos(x^2 +(100493/100000)), y=1+xX^2 i already did the area but i need help with the circumference
asked by jessica 
math
principal is $750.00 rate is 9 1/2% for 200 days using a 360 day calendar year what's the interest?
asked by l 
math
4x4y=1
asked by george 
Algebra 2
putting polynomials in standard form. (x3)^2(x1)
asked by Anonymous 
math
maximise p=15x+10y
asked by kim 
math
s=5k+5z
asked by nick 
math
the ratio of an executives expenses to income is 5 to 8. What are the executives expenses of a month when the income is $9,800?
asked by linda 
math please help!!
10blank=20
asked by lily 
english
what is number facts about the topic gel pens
asked by kyle 
language arts
Diagram.(I'm not sure how you will give me the answer since you can't put lines on) Stephen almost never reads or watches TV and he does not enjoy outdoor sports.
asked by Justin 
science
how to tell if a solution is saturated
asked by karla 
geometry
largest line segment that can be drawn within a squqre of perimeter 20 cm
asked by aswathi 
precalc
(3^2+4^2)^1/2
asked by megan 
science
why is an eclipsed moon sometimes dark red in color?
asked by raman 
algebra1
how do you slove x+3y=30 9x12y=3 with substitution and elimation
asked by katie 
math
25=5^3x1
asked by Arianna 
literatureineng
what are the basic literary terms
asked by ifeoma 
Math
If a guy has run 45 minutes, and this is only 60% of his whole run, is 100% 75 minutes?
asked by Catherine 
math
4(4)=
asked by JOE 
advance accouting
alocation of purchase price to vaious assests and liabilities
asked by Anonymous 
Algebra 1
If your given points like (3, 2) (7,6) and are told to find the line perpendicular to the point (9,8) how could you solve it without graphing?
asked by Anonymous 
advanced accounting
purchas, date of acquisition
asked by Anonymous 
precalc
(3^2+4^2)^1/2
asked by megan 
math
what is 25+(16)=? PLEASE HELP
asked by nina 
math
how to convert 38/3 into a whole number or mix number
asked by veronica