Questions Asked on
March 24, 2010

pH
Determine the pH of each of the following solutions. 0.21 M KCHO2 0.19 M CH3NH3I 0.19 M KI I'm not sure how i should set up the ice chart, and what Ka I should be using for the solutions
asked by Kyle 
9th grade
Why did the cow want a divorce? Having trouble with this page (158)
asked by Robert McKay 
Science
Radioactive carbon14 dating has determined that a fossil is 5.7 x 10 to the third power years old. What is the total amount of the original Carbon14 still present in the fossil?
asked by Gina 
statistics
in a test for esp a subject is told that cards the experimenter can see but he cannot contain either a star, a circle, a wave, or a square. as the experimenter looks at each of 20 cards in turn, the subject names the shape on the card. a subject who is
asked by steven 
Chemistry
What colligative properties are displayed by these situations. 1. Antifreeze is added to car cooling system preventing freezing when air temp is below 0 degrees C. 2. Ice melts on sidewalk after salt has been spread
asked by Kathleen 
physics
Two small identical metal spheres, A and B, on insulated stands, are each given a charge of +2.4 106 coulomb. The distance between the spheres is 7 101 meter. Calculate the magnitude of the electrostatic force that the charge on sphere A exerts on the
asked by Dar 
Penn Foster Writing Assignment Writing Skills
I am trying to complete a 750 to 1000 word essay but I completely have no clue what to write about and my writing skills is a bit lacking. I am not looking for someone to write this for me, someone who can guide me to complete this. This is the final paper
asked by Edy 
Calculus (optimization problem)
A cyclinderical tank with no top is to be built from stainless steel with a copper bottom. The tank is to have a volume of 5ð m^3. if the price of copper is five times the price of stainless steel, what should be the dimensions of the tank so that the
asked by Joey 
statistics
a binomial distribution will be approximately correct as a model for one of these two sports settings and for the other. explain why by briefly discussing both settings. a)a national football league kicker has made 80% of his field goal attempts in the
asked by steven 
Fractions
There are 16 tulips in the garden 1/4 of the tulips are red. How many tulips are red?
asked by Theresa 
AP Biology
Describe the production and processing of a protein that will be exported from a eukaryotic cell. Begin with the separation of the messenger RNA from the DNA template and end with the release of the protein at the plasma membrane. in essay format not
asked by sheer 
Chemistry
If a silver wire is placed in a beaker containing 1 M Cu(NO3)2, what will happen? I don't think anything will happen, but what is the right way to explain this is chemical terms?
asked by Ryan 
Math
One grocery clerk can stock a shelf in 40 min, whereas a second clerk requires 20 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together? Is this how you do this: t/40 + t/24 =1 t*3/40*3 + t*5/24*5 =1
asked by Meghan 
physics
In a physics lab experiment, a spring clamped to the table shoots a 22 g ball horizontally. When the spring is compressed 22 cm, the ball travels horizontally 5.2 m and lands on the floor 1.3 m below the point at which it left the spring. What is the
asked by Naso 
Physics
A nonrotating spherical planet with no atmosphere has a mass M and radius R. A particle is fired off from the surface with a speed equal to 3/4 the escape speed. Calculate the farthest distance it reaches (measured from the center of the planet) if it is
asked by Avery 
trig
Complete the general solution to y = arcsin . y=____±2k IM lost please help
asked by tracy 
math
An arch is in the form of a semiellipse, with its major axis as the span. If the span is 80 feet and the height is 30 feet write the standard equation.
asked by brandon 
geometry
The longer diagonal of a rhombus is 2 times as long as the shorter diagonal. Find the length of the shorter diagonal if the area is 24in squared.
asked by Mandy 
Calculus
Determine the concavity and find the points of inflection. y=2cosx + sin2x 0≤x≤2pi y'=2sinx + 2cos2x y"=2cosx4sinx How do I find the IP(s)?
asked by sh 
Geometry
How would you solve these? The radius of a circle is 34 meters long, and a chord of the circle is 60 meters long. How far is the chord from the center of the circle? The diameter of a circle is 60 inches and a chord of the circle is 48 inches long. How far
asked by Jillian 
Physics
A dentist's drill starts from rest. After 3.00 s of constant angular acceleration it turns at a rate of 2.8 104 rev/min. (a) Find the drill's angular acceleration. (b) Determine the angle (in radians) through which the drill rotates during this period.
asked by Kelsey 
chemistry
Determine Kc at 298 K for the reaction 2 CH4(g) reverse reaction arrow C2H2(g) + 3 H2(g), given the following data at 298 K. (Hint: How are Kc and Kp for the reaction related?) CH4(g) + H2O(g) reverse reaction arrow CO(g) + 3 H2(g) Kp = 1.2 multiplied by
asked by Jenny 
MANAGEMENT ACCOUNTING
COSTS CAN BE CLASSIFIED INTO TWO CATEGORIES FIXED AND VARIABLE COSTS THESE COST BEHAVE DIFFERENTLY BASED ON THE LEVEL OF VOLUME SUPPOSE WE ARE RUNNING A RESTAURANT AND HAVE IDENTIFIED CERTAIN COST ALONG WITH THE NUMBER OF ANNUAL UNIT SOLD OF 1000 TOTAL
asked by BONNIE 
Physics
A hollow plastic spherical bobber of mass 0.005 kg and volume of 50 cm3 floats on the surface of a lake supporting a submersed fishhook and a bait with a combined mass of 0.01 kg and a combined volume of 2 cm3. The density of water is 0.001 kg/cm3. If a
asked by Ellen 
Math
A plane can fly 140 mph in calm air. Flying with the wind, the plane can fly 700 mi in the same amount of time it takes to fly 420 mi against the wind. Whats the rate of the wind?
asked by Meghan 
physics
Find the voltage increase when 12 J of work is done to push a 0.0013 C charge into an electric field.
asked by sean 
Chemistry
Part A: Unknown Acid use 1gram and mix with 120 mL of distilled water Determine the concentration of the acid by titrating with 0.0998 M of NaOH Concentration of NaOH= 0.0998M Volume of NaOH= 3.5 mL # moles of NaOH= Initial Concentration of Weak Acid Show
asked by Saira 
distance problems
two planes left Seattle at the same time, both traveling due east. One had the rate of 185 mi/h and the other had a rate of 225 mi/hr. After how many hours were they 220 miles apart?
asked by sky 
chemistry
What is the equation of the preparation of K3[Al(C2O4)3].3H2O using Al2(SO4)3?
asked by peter 
Chemistry Need Help!!
Ive posted twice, but no one's answered yet...I could really use any kind of guidanceparticularly for the 1st question :) 1)) The following two halfcells are paired up in a voltaic cell. How will lowering the pH affect the ƒ´E of the overall cell?
asked by Val 
Advanced Accounting
Final Exam ACC440 Problem 1 On January 1, 20X1, Popular Creek Corporation organized RoadTime Company as a subsidiary in Switzerland with an initial investment cost of Swiss francs (SFr) 60,000. RoadTime’s December 31, 20X1, trial balance in SFr is as
asked by fred 
Physical Science
two people pull on separate ropes attached to a cart. the angle between the ropes is 90 degrees and one person pulls with a force of 200 newtons while the other pulls with a fore of 400 newtons. find the resultant force and direction using the
asked by Janet 
Geometry
A diameter of a circle is 32 yards long. A chord is 11 yards from the center. How long is the chord?
asked by Jillian 
Math
One grocery clerk can stock a shelf in 40 min, whereas a second clerk requires 20 min to stock the same shelf. How long would it take to stock the shelf if the two clerks worked together? Is this how you do this: t/40 +t/24 =1 t*3/40*3 + t*5/24*5 =1 3t/120
asked by Meghan 
Physics
A high jumper of mass 80.0 kg consumes a meal of 4.00 103 kcal prior to a jump. If 3.3% of the energy from the food could be converted to gravitational potential energy in a single jump, how high could the athlete jump?
asked by sean 
Math
How do I find the dimensions of a piece of wrapping paper used to wrap the box? The dimensions are 15in, 9in, 4in. The SA equals 270. I don't know to make it into an answer like 40 in. BY 10in
asked by Rachel 
chemistry
How much heat is evolved when 267 g of ammonia gas condenses to a liquid at its boiling point?
asked by pjl 
math 116
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation and put an inequality sign in its place, is there ever a time when the
asked by Adrian 
chem for Dr. Bob
In the reaction 2 H2(g) + S2(g) reverse reaction arrow 2 H2S(g), Kc = 6.28 multiplied by 103 at 900 K. What is the equilibrium value of [H2] if at equilibrium [H2S] = [S2]1/2?
asked by Jeena 
language expression
choose the word or phrase that best completes the sentence.my answers are all at the bottom 6)by now,the relay team _____ their practice laps. F)swam G)swum H)has swum J)was swimming 7)the director ______ a speech when the guest of honor arrived A)giving
asked by george 
PreCalculus
A wire from the top of a TV tower makes an angle of 49.5 with the ground and touches the ground 225 feet from the base of the tower. How high is the tower?
asked by Chantal 
calculuslimits??
i keep on doing something wrong on this problem,i guess im forgetting to add or subtract some number. use f'(x)=lim h>0 f(x+h)f(x)/h to find the limit: lim h>0 sin^(3)4(x+h)sin^(3)4x/h
asked by JJ 
math 116
How do you know if a value is a solution for an inequality? How is this different from determining if a value is a solution to an equation? If you replace the equal sign of an equation and put an inequality sign in its place, is there ever a time when the
asked by Adrian 
math
A cyclist and a jogger start from a town at the same time and headed for a destination 24 mi away. The rate of the cyclist is twice the rate of the jogger. The cyclist arrives 3hrs ahead of the jogger. Whats the rate of the cyclist?
asked by chris 
physics
A high jumper of mass 80.0 kg consumes a meal of 4.00 103 kcal prior to a jump. If 3.3% of the energy from the food could be converted to gravitational potential energy in a single jump, how high could the athlete jump?
asked by sean 
MathDerivatives.
if y=sec^(3)2x, then dy/dx= my answer is 6 sec^3 2xtan 2x but im not sure if that is right. ? Can someone show me if i did it correct.
asked by Anonymous 
calculus
A tissue culture grows until it has an area of 9 cm^2. A(t) is the area of the tissue at time t. One model for the growth rate is A'(t)=k*sqrt(A(t))*(9A(t)) for some constant k. The number of cells on the edge is proportional to sqrt(A(t)) and most of the
asked by Chaz 
English
1. I think watching TV is bad because we can become violent. 2. I think watching TV is bad because we can imitate bad behaviors in bad programs. 3. I think watching TV is bad because we can not spend much time in studying. 4. I think watching TV is bad
asked by rfvv 
6 th grade math
2 students are learning how to bake apple and blueberry pies. The first student makes an apple pie and the second student bakes a blueberry pie. If the first student eats 1/4 of the apple pie and the second student eats 1/2 of the blueberry pie, which
asked by Connie 
economicsoligopoly
Suppose there are only two producers, A and B, in a market producing the same good with the same total cost function TC=0.05 Q^2 +100. The market demand is given by Q=10005P. a) Find the equilibrium price and total output in the Bertrand model. b) Find
asked by Victor 
English
Could you please check the following questions? Which of the first two questions is better expressed? 1) Briefly outline the features of the 18thcentury novels. Focus then on Defoe’s novels and examine their structure and characterization. 2) What were
asked by Franco 
college chemistry
For the following reaction: PCl5(g) PCl3(g) + Cl2(g) Kc=.058 If the initial concentration of PCl5(g) is .160M, calculate the equilibrium concentrations of all the components. (use quadratic)
asked by Jerrett 
com150
The Internet radically reduces the cost of creating, sending, and storing information while making that information more widely available. The Internet reduces search costs, allowing customers to locate products, suppliers, prices, and delivery terms. The
asked by King 
Physics
A 5.00kg object placed on a frictionless, horizontal table is connected to a cable that passes over a pulley and then is fastened to a hanging 9.00kg object. Draw freebody diagrams of both objects. Find the acceleration of the two objects and the
asked by Brandon 
Physics
a 1.00kg object is observed to accelerate at 10.0m/s∧2 in a direction 30.0 north of east. the force F2 acting on the object has magnitude 5.00 N and is directed north. determine the magnitude and direction of the force F1 acting on the object.
asked by Brandon 
home work
what's a sentence for hasten
asked by star 
Chemistry
Hydrolysis of Salt: Using the universal indicator we had to determine the pH of sodium acetate, and the results i got was pH 8.5 . Now i have to explain this with a equation to show hydrolysis. I don't know how to write it out but, Sodium is not
asked by Saira 
social studies
Which of these tribes were Germanic Tribes? Huns, Goths, Lombards, Vikings, Franks, Vandals,
asked by linda 
chemistry
A 4.90 g nugget of pure gold absorbed 255 J of heat. What was the final temperature of the gold if the initial temperature was 24.0°C? The specific heat of gold is 0.129 J/(g·°C).
asked by pjl 
Chem
Which direction will the following reaction in a 5.0 L flask proceed if Qp = 0.013? 2H2O(g) = 2H2(g) + O2(g) Kp = 1.6 x 105 Choose one answer. a. to the right because Q > Kp b. to the left because Q > Kp c. to the right because Q < Kp d. to the left
asked by CC 
math
how do i use the shell method to find the volumes of the solids generated by revolving the regions bounded by the curves and lines a) y=1/x, y=0, x=1/2, x=2 So I think the integral is 2pi(radius)(height) dx from 0.5 to 2 but I'm not sure what the radius
asked by ciara 
Science PHYSICS
SO desperate with help with this. What is the magnitude of the acceleration that this force will cause when applied to a car with a mass of 1.1x10³Kg Then calculate the final speed of the car (above) assuming that it was standing still initially and that
asked by Alice 
standard deviation
the mean is 3.5. dtandard deviation is .5. sally's score is 1.5 on test. how many standard deviations is she from the mean? billy scores 5. what is his standard score? what scale of measurement is being used? is it appropriate? why/why not?
asked by dee 
Management Accounting
I don't know which formulas to use for these questions. Many churches sponsor bingo games, a tradition stemming from the time when only specific nonprofit institutions were allowed to sponsor games of chance. Reverend Justin Olds, the pastor of a new
asked by Charmain 
scientist
Which of the following factors does not help predict future oil production?
asked by liz 
Biology
34. The heart is divided into two major sections with two chambers in each section. Tell an easy way to remember which section carries oxygenated blood and deoxygenated blood, the chamber the blood enters first, and the second chamber the blood exits from.
asked by mysterychicken 
physics
A source of e.m.f 110v and frequency 60hz is connected to a resistor, an indicator and a capacitor in series. When the current in the capacitor is 2A.the potential difference across the resistor is 80v and that across the inductor is 40v.calculate the
asked by Ayo 
Math
If the average person drikns 8 ounces glasses of water per day, a person who drinks 12.8 ounces of water after a morning exercise session has consumed what fraction of the daily average?
asked by Yolanda 
Chemistry
If PbF2 is poured into a solution of 0.012 molar F, how much will dissolve at equilibrium?
asked by James 
Physics
The temperature in an electric oven is 160°C. The temperature at the outer surface in the kitchen is 50°C. The oven ( surface area = 1.6 m2) is insulated with material that has a thickness of 0.02 m and a thermal conductivity of 0.045 J/s.m.C°. (a) How
asked by Maryo 
English
1. He painted the emperor a gold tree. 2. He painted a gold tree for the emperor. 3. He painted a gold tree to the emperor. (Are they all grammatical? Which preposition do we have to use?) 4. Ma Liang kept painting. (Ma Liang is a person's name. What is
asked by rfvv 
College Physics
A 0.145 kg baseball is moving at a speed of 15.0 meter/sec east toward the bat. The bat has 3.00x10^3 seconds contact with the ball. As a result the ball flies back at 25.0 meter/sec west. What was the force (vector!) the bat exerted on the ball?
asked by Anonymous 
College Physics
A 315 kg object is lifted 12 meters by a motor in 15 seconds. How much power does the motor deliver?
asked by Anonymous 
English
I am assigned to write a formal essay focusing on the theme of "Mrs Turner Cutting the Grass". Are job is to support our argument with any of the following: plot structure, symbolism, irony, humour, pathos, style or foreshadowing. How do I go about this?
asked by Karen 
College Physics
A 315 kg object is lifted 12 meters by a motor in 15 seconds. How much power does the motor deliver?
asked by //** 
social studies
Historians have used the terms "robber barons" and "captains of industry" to describe the powerful industrialists of the late 1800's. compare the two points of view reflected by these terms.
asked by jo 
trig
x^2  3y^2  8x + 12y + 16 = 0 What is the center and the domain of the equation?
asked by dcw 
language expression
choose the word or phrase that best completes the sentence.my answers are all at the bottom 1)Vito ______ river rafting next week. A)had gone B)is going C)has been going D)will have been gone 2)there_____many bicycles for sale in this shop. F)is G)are
asked by george 
Algebra
There are three consecutive integers the square of the largest one equals the sum of the squares of the two other.Find the integers
asked by Tom 
algebra
Could you explain how to factor completely a^3n+1 + 2b^2n+b  ab  (2a^3n*b^2n)
asked by Tommy 
language expression
choose the sentence that is complete and that is written correct. 11) A)annabel are planning to walk at least seven miles every week B)i am walking on the sidewalk when i have heard someone say my name. C)as soon as we see brent walking around the conor,we
asked by george 
3rd grade
How can you use 16 divide by 4 = 4 to help you find 160 divide by 4?
asked by 3rd grader 
3rd grade
How can you use 16 divide by 4 = 4 to help you find 160 divide by 4?
asked by 3rd grader 
math
Curtis found a rule for a table. The rule he made is y=7x. What does the rule tell you about every y value?
asked by Marsha 
chemistry
If 311 g water at 65.5°C loses 9760 J of heat, what is the final temperature of the water?
asked by pjl 
social studies
6th grade question:what were greek citystates and how did they function
asked by kate 
Chemistry
What is the pH of a 0.0054 molal solution of C2H2O4. First ionization constant K1= 6.5 x 102, second K2= 6.1 x 105.
asked by James 
Math
How do I find the dimensions of a piece of wrapping paper used to wrap the box? The dimensions are 15in, 9in, 4in. The Surface area equals 462. I don't know to make it into an answer like 40 in. BY 10in
asked by Rachel 
English
Combine this sentence using techniques of parallelism. 3. The Rochester Institute of Technology in New York State chose 150 students born on June 12 1979. Each one received a grant of $1,500 per year. These awards were given to select students to honor the
asked by christopher 
Calculus
Find an equation of the tangent line to the given curve at the given point y=(1/cosx)2cosx at((pi/3),1) y'=0+2sinx slope = √3 y=mx+b 1=(√3)(pi/3)+b b=(3√3pi)/3 3√3x3y+3√3pi=0 What did I do wrong? Thanks in advance.
asked by sh 
math
derivatives: y=(x^3+1)^2, then dy/dx is: i got 6x^2(x^3+1) first but im not sure. Can i see the steps of how it is done right. I also got 2(3x^2+1), which one is right?? sorry for bugging.Thanks
asked by anon. 
Economic
1. keogh and IRA plans allow people to do all of the following except: A. save money each year for retirement B. withdraw money from their accounts at the end of every year without penalty C. establish their own pension plans D. defer taxation of the
asked by candance 
English
1. After watching Ghost I like watching horror movies. I saw the movie Ghost with my father. It was scary but great. I expecially liked the scene where the main character got rid of the fierce ghost with his magic stick. 2. After watching Gone with the
asked by rfvv 
Biology
34. The heart is divided into two major sections with two chambers in each section. Tell an easy way to remember which section carries oxygenated blood and deoxygenated blood, the chamber the blood enters first, and the second chamber the blood exits from.
asked by mysterychicken 
English
* The bird came alive and flew away. (What is the part of speech of 'alive'? Is it a subjective complement? 'Came' is a complete intransitive verb, right? Can a complete intransitive complement take a complement?)
asked by rfvv 
Biology and Graphing (Stats)
i need to make a graph on excel.. my data involve putting goldfish (from the same tank and same type) into 3 different environments : acidic, neutral (control), and basic. What kind of graph should I use? just a line graph? but then what should my
asked by Carter 
Physics due tomorrow
Two wires have current both running in the positive x direction as shown in the diagram with I1 = 13.9 amps and I2 = 4.5 amps. They are separated by a distance of d = 4.7 meters. A third wire with I3 = 10 amps is placed somewhere between the two wires with
asked by Justin 
Physics
An image formed by a convex mirror ( f= 24 cm) has a magnification of 0.15. Which way and by how much should the object be moved to double the size of the image?
asked by Maryo 
ALGEBRA
add then simplify.by collecting like radical terms if possible assuming that all expressions under radicals represent non negative numbers: √5a + 2√45a^3
asked by GGIFT 
math
what is the answer to this riddle. what should you say when u meet an angel
asked by hannah 
Chemistry
What is the density of hydrogen gas at 25 degrees celius and 1 Atm?
asked by Michelle 
Math
y=3x^2+6x2 Sketch the graph of the given porabola and state the coordinance of its intercepts. I can graph it if I can get some help with the vertex and coordinance. This is what I got; vertex:(1,1) xintercept:(1.6,.4), and yintercept:(0,2). Is this
asked by Jennifer 
Chemistry
Kp=1.78 at 250 degrees for the decomposition reaction, PCl5(g)>PCl3(g)+Cl2(g. Calculate the percentage of reactant that remains if 10.0 moles of starting material are placed in a closed vessel at this temperature and 2.00 atm pressure. Also, determine the
asked by Jamie 
College Physics
A 0.145 kg baseball is moving at a speed of 15.0 meter/sec east toward the bat. The bat has 3.00x10^3 seconds contact with the ball. As a result the ball flies back at 25.0 meter/sec west. What was the force (vector!) the bat exerted on the ball?
asked by //** 
physics
Interference effects are produced at point P on a screen as a result of direct rays from a 518 nm source and reflected rays off the mirror.If the source is 99 m to the left of the screen, and 1.15 cm above the mirror, calculate the distance y (in
asked by Andy 
college chem
how many mL of .100 M of acetic acid and .100 M of NaOH, would be need to make the volume 1.0 liters and have a pH7.00 if Ka=1.8x10^5? can someone please help me with steps to get the answer
asked by josh 
Grammar (will you check the rest please)
Demonstrative Pronoun or Adjective? 1. Does anyone know how to bake this cake? ADJ 2. You can check that book out of the library tomorrow. ADJ 3. That singer is ainger is quite talented. ADJ 4. Those do not heat as well as some. PRO 5. Take these to the
asked by Tiffany 
physics
Interference effects are produced at point P on a screen as a result of direct rays from a 518 nm source and reflected rays off the mirror.If the source is 99 m to the left of the screen, and 1.15 cm above the mirror, calculate the distance y (in
asked by Andy 
SciencePsyDAG
We did a experiment to recognize chemical change and here it is: I'm listing what we did, step by step. 1. Put on your safety goggles. In one row of your spot plate, add five drops of the sodium hydroxide solution to each of four deprssions. Then add two
asked by Sara 
math
There are 8 ounces in a 1/2 pound. How many ounces are in 7 3/4 pounds.
asked by Yolanda 
Geometry again
What is the area of a square and 454590 triangle. With a top base of 9yd. and a bottom base of 18yd. and a height of 7yd. ????
asked by Monique N. 
algebra
I am lost on solving this problem 3x+8=8x5x+10 I know the next step is 3x+8=3x+10 I am lost after that
asked by nala 
8th grade science
a 10liter sample of one type of crude oil has a mass of 8.20kg. What i the density? If this oil spilled on the ocean's surface, would it sink or float? explain answer in terms of density.
asked by sam 
social studies
How did Buddism has try to change the lifes of people in india
asked by ESKARLEN MENDEZ 
English
Combine these sentences using techniques of parallelism. Writers who specialize in humor bankroll a student humor writer at the University of Southern California in Los Angeles. A horseracing association sponsers a student sports writer. The Student must
asked by christopher 
algebra
I=PRT Solve for R
asked by Isabella 
science
What is acid deposition?
asked by anonymous 
Math
What is the mass of a half dollar in kilograms?
asked by Debbie 
Chemistry
How many moles of Cacl are needed to be dissolved in .500g of H2O to form a 1.5m solution?
asked by Ty 
Probability
A popular game show begins with the host reading a question to the contestants. One question involves putting four events (A, B, C and D) in chronological order. What is the probability that the contestant gets the question correct if he or she just
asked by Sandy 
English
1. What do you thinks about watching TV? 2. What is your opinion of watching TV? 3. Do you think watching TV is good or not? 4. What is your viewpoint of watching TV? 5. What kind of viewpoint do you have about watching TV? 6. What viewpoint do you have
asked by rfvv 
ALGEBRA
Use rational exponents to write 4√6 * 3√7 as a singular expression. How in the world do I write this??
asked by GGIFT 
science
Trace the impulse, listing the steps in as much detail as possible, from which your brain sends the message to the appropriate muscles to lift a glass of water to drink. As in the previous Application Assignment (parts one and two), detail the steps
asked by Tie 
Chemistry
What is the molality if 82grams of CaNO4 is dissolved in 2000grams of Water?
asked by Ty 
sociolinguistic
What is the languages used in indonesia? and what is the history of it?
asked by George 
science
Amount of energy flowing through an area, influcences how far away a sound can be heard
asked by Wyatt 
Calculus
Find the derivative of y=cot³(12x)² y'=3[cot(12x)²]² (csc²(12x)²)(24x)(2) y'=(6+24x)[cot(12x)²]²(csc²(12x)²) How do you simplify further?
asked by sh 
math
2(x5)=20x
asked by mary 
Biology
34. The heart is divided into two major sections with two chambers in each section. Tell an easy way to remember which section carries oxygenated blood and deoxygenated blood, the chamber the blood enters first, and the second chamber the blood exits from.
asked by mysterychicken 
7th grade
If the time is 9:00 am in denver what time is it in los angelas ?
asked by jazmin 
Algebra
I need help on doing a math problem for my algebra class so if u could help i would be really grateful any way please explain. : Find two consecutive negative integers with the product of 110
asked by Please help 
Algebra
Could you explain how to factor completely a^3n+1 + 2b^2n+b  ab  (2a^3n*b^2n)
asked by John 
math
I have a math problem where I am trying to carpet a hallway of an irregular shape.The cost of the carpet is $ 10.80 a sq.yd. How many square yds. will I need? I also need to know the perimeter for string molding. Can you help me. The measurements are
asked by Karen 
algebra
Jeffrey is building a rectangular flower garden, width is "w" and length is w + 3. Write a a mathematical expression for the length and an algebraic expression for the area of the garden in binomial descending order.
asked by Ina Boston 
Global History
How did the Treaty of Versailles contribute to the outbreak of world war 2?
asked by Gaby 
6th grade
what happened to Rome after the Punic Wars?
asked by Lauren 
Global History
How did Hitler attempt to use war as a means to restore German national pride? Give 2 ways
asked by Gaby 
algebra
The sides of an rectangle was 5cm by 9cm. When both dimension were increased by an equal amounts the area of the rectangle increased by 120 cm^2 find the dimensions of the new rectangle.
asked by Johnny 
math
how to do real word prombles
asked by destiny 
algebra
Could you explain how to factor completely a^3n+1 + 2b^2n+b  ab  (2a^3n*b^2n)
asked by Johnny 
Physics
Why is sin theta used in the torque formula while the work formula uses cosine theta?
asked by Morgan 
COMPUTER
In what ways would you differentiate a micro computer from electronic organizer
asked by AMICABLE 
geometry
What is the distance between the origin and the point (5, 19)? If necessary, round your answer to two decimal places.
asked by Anonymous 
language expression
choose the sentence that is complete and that is written correct. 11) A)annabel are planning to walk at least seven miles every week B)i am walking on the sidewalk when i have heard someone say my name. C)as soon as we see brent walking around the conor,we
asked by george 
math
0.25 plus 0.65 in fraction form answer please
asked by Yolanda 
math
what two steps do u follow to tell if a table is a direct variation/proportion?
asked by Amber 
social studies
what are detors called when they work to pay off there det?
asked by Sally 
try this
i have to write a three sentences about my family, using irregular verbs and i do not know what to write or what irregular verbs are
asked by Christina 
physics
Find (a) the potential and (b) the field strength at points A and B due to two small spheres X and Y 1.0m apart in air and carrying charges of +2.0x10^8C and 2.0x10^8C respectively.
asked by Edwin 
Math
find each quotient, using long division (5x^4+14x^3+9x) / (x^2+3x+1)
asked by Alex 
Math
Translate to an algebraic expression The product of 46% and some number. use D for some number and change the percentage to a decimal. Here is what I think it is .46D is that correct?
asked by KiKi 
geometry
What is the area of a...... parallelogram. with a triangle. with a base of 19ft. and the triangle being a 306090. with a hypotenose of 16ft
asked by Monique N. 
math
(x+3)(x+4)(x+5) just need help with the steps to solve it
asked by Toccara 
Essay
I need a thesis statement on healthful eating. My topic is broken down to good health, exercise, balancing act and organics.
asked by Aluna 
math
Please help me solve. 8x(2x+5)=43
asked by KiKi 
language arts
What is a high shrill sound ending with wh
asked by Matt 
neighborhood know how!
all neigh have rights.with these rights come responsibilities.draw a picture of a responsible neighbor.
asked by darren 
Math
(3ã2 + 4)^2 (3ã2 + 4)(3ã2 + 4) 9ã4 + 12ã2 + 12ã2 + 16 9*2ã2 + 12ã2 + 12ã2 + 16 18ã2 + 12ã2 + 12ã2 + 16 = 42ã2 + 16
asked by Meghan 
Science
Which is not a physical property? a)state b)density c)ductility d)flammability I think it's d. Which one of these processes are chemically created? a)erosion of riverbank b)flow of molten lava c)heaving of rock by ice formation d)formation of limestone
asked by Sara 
polilawgovt
There were a few items on my mind as I wonder if there is any way to find these out. Is there any way to search through a broad range of specific legislative pieces i.e. conduct a survey of hot button public policies? On another note, is there way to
asked by Abogado 
Science
I need help filling this blank. The difference between a "cool" solid and a "hot" solid is that the particles vibrate __________ in the cool solid. Would "freely" fit the blank? The difference between a solid and a liquid at the same temperature is that
asked by Sara 
economic
3. Consumer spending on durables falls, draw a graph to analyze the effects of this change in real interset. 4. The Canadian demand for Mexican Pesos is downward sloping and supply of pesos is upward sloping. Assume a system of flexible exchange rate
asked by David 
4th grade math
Meg's dog Angel eats 4 1/4 c of food each day. Explain how Meg can determine how much food to give Angel if she needs to feed him only 2/3 as much. Need help solving.
asked by Hayden 
english
summarize into a paragraph. Establishing bilingual education programs was a reaction to these problems. It was an attempt to bring education to students who had special needs. Bilingual education tries to meet students at their level rather than the level
asked by derrius 
Geometry
I know this probably is really easy, but I simply cannot figure it out for myself. Thank you for your help in advance. On a cube, the face diagonals AB and BC meet at vertex B. What is the degree measure of angle ABC?
asked by Ryan! 
5th grade
how do i turn 21/50 to a equivalant decimal
asked by ciara 
English
Combine the sentence using techniques of parallelism. In return for their scholarships, Wooster's bagpipers must pipe for the school's football team. The terms of the scholarships also require the drummers to drum for the team. The dancers have to cheer
asked by christopher 
ALGEBRA
Multiply & simplify Assume that all expressions under the radicals represent non negative numbers... √5x^7 √35x
asked by GGIFT 
ALGEBRA
how do I multiply (6 + √2) (6  √2)
asked by GGIFT 
ALGEBRA
Rewrite this as an rational exponent: (√7mn)^7
asked by GGIFT 
ALGEBRA
simplify by taking roots of the numerator & denominator √64/y^2
asked by GGIFT 
Global History
reasons/causes why there was a fight for the holy land christians vs muslims.
asked by Ariana 
BEH 225
data on the pathological liars and their spouses.
asked by patty 
ALGEBRA
how can i use the law of exponents to simplify: (6 ^5/8)^2/9 5/8 fraction 2/9 fraction
asked by GGIFT 
college
solve each equation 1/5y22=3y
asked by Jackie 
math
how do i turn 0.83 to a fraction?
asked by ciara 
math
∛(270x )∛(10x^4) subtract by simplifying by collecting like terms
asked by jen 
algebra
simplify and write with only positive exponents 1. x to yhe negitive six power times x to the fifth power 2. y to the negitive twelth power divided by 7y to the fifth power
asked by roy 
Math distance rate 8th grade test tmr!
Two planes left Seattle at the same time, both traveling due east. One had the rate of 185 mi/h and the other had a rate of 225 mi/hr. After how many hours were they 220 miles apart?
asked by sky 
Calculus
(x^3+1)^2 then dy/dx i got 6x^2(x^3+1), not sure if it is correct.
asked by Anonymous 
Math
Solve the system of equations y=3x x^2y=28
asked by . 
Biology
Hi there, I am doing a genetic debate on the topic "Xenotransplantation should receive all the funding that stem cell reasearch now receives." I am against this idea and I must take on the role of a patient who has contracted a disease after an
asked by Sabrina 
science
The population of Singapore is 4987600 people. The territory of Singapore is 710.2 km^s. The population of Namibia is 2171000 people, while its territory is 824292 km^2. Estimate the population densities of Singapore and Namibia.
asked by jamie 
analytical chemistry
When a monoprotic weak acid is titrated with a strong base, the titration curve contains these many inflection points: a.zero b.one c.two d.three Can you also explain why you choose your answer to this question...thanks
asked by josh 
math percentage diff
a value of 2.40 increased to 4.48 in 5 years. what is the change in percentage each year? this one was difficult to figure out..
asked by danny 
Socials Studies (URGENT)
Why would the Metis have so many rules regarding the Buffalo Hunt? Thank you.
asked by John 
science
how to write a program to compute account name, account number and either employed in basis of permanent or cashier labour
asked by edwin 
9th grade
whats the answer for xsquare+12x+20=0
asked by karla 
Chemisty/Bio
Is a environment that is hypoxic or anoxic the same as acidic?? I am a little confused how the two relate to each other?
asked by Mark 
calc 2
(dy/dx) + 8y =5
asked by Anonymous 
calc 2
(dy/dx) + 8y =5
asked by Anonymous 
algebra
x2+12x+20=0
asked by karla 
U.S. History
How did human history in North America during the period described in the Prologue differ from the events of Asia, Eurasia, and Europe?
asked by Jamal 
calc 2
(dy/dx) + 8y =5
asked by Anonymous 
calc 2
(dy/dx) + 8y =5
asked by Anonymous 
grammar
I have to know if these Demonstratives are Adjectives or Pronouns. "This appears to be the best seat available" "Please send me those in the mail."This will surely amuse Hannah's guest."
asked by Tiffany 
english
describe what you consider some of the "gifts you have to offer the world" and some of the "things you really need."
asked by carlos 
Calculus II
I have a function RC * dvout/dt + vout = RIin and the initial condition vout(1) = 0 for t = 0 to 7.5. When I set up the equation to be solved using Euler's method, is it: vout = vout + f(vout,t)*step size, with f(vout,t) = (RIin  vout)/RC.
asked by Jenny 
axia
how do social dominance and courtship diplays have an impact on evolution
asked by kate 
Grammar
I have to know if these Demonstratives are Adjectives or Pronouns."These belong to the girl who lives next door" "This aisle contains what susan wants." "That ship has been docked for three days." I have them as pronoun and 2 adjectives. Is that right?
asked by Tiffany 
Chemistry
Time, (min): 0 10 20 30 Moles,(trans): 1.00 0.90 0.81 0.73 Given the following data, what is the order of the reaction? How long will it take for the half of the trans compound to decompose?
asked by Jamie 
college history
if the industrial revolution increased production why did the laborers need to work such long hours weren't they producing more than before?
asked by S 
science planets
how dos the alignment of the planets cause seasons?
asked by leyla 
college philosophy (Mill)
how can mill say that “there is no parity between the feeling of a person for his own opinion, and the feeling of another who is offended at his holding it; no more than between the desire of a thief to take a purse, and the desire of the right owner to
asked by brittany 
Science
If the sun is in the center of the constellation Sagittarius on January 10, what time does it rise and set?
asked by Mary 
com 150
elect one of the essays from the Examples of Effective Introductions section in Effective Introductions and Conclusions. Which article did you choose? What type of introduction does the writer use? What is the impact of that kind of introduction in this
asked by King 
to a teacher pr someone how can help me
what are irregular verbs?
asked by priscilla 
Pre calculus
Find the inverse function of F(x) = 2 arccosx F1(x)=
asked by jim 
math
x^2  3y^2  8x + 12y + 16 = 0 What is the center and the domain of the equation?
asked by dcw 
com/220
I have to write a research paper for gun control. I would like to know what information I should be looking for and what I should try to include in my paper. I know that research writing should be unbiased but I do not know how to start. I do not want my
asked by donovan 
U. S. History
How did human history in North America differ from Asia, Eurasia, and Europe?
asked by Jamal 
physics
You have a bathtub containing 100 ml of water at 25 degrees celcius. How long must you stir the water to bring the temperature of the water to 100 degrees celcius?
asked by jonathan 
homework try this
i need to wright 3 sentences about my family and use irregular verbs can u give me an example please
asked by priscilla 
math
what is rates of change
asked by malaysia 
sentences
what's a sentence for column
asked by star 
University Physics II
How do you convert electric field into electric force?
asked by Me 
help
what's a sentence for glisten and tomb
asked by Christina 
Math Simplification 7th grade
I'm skipping luch to do a project and I have the answers, just nt enough time to simplify! I'm short on time! 39/49=? 45/73=? 42/60=?
asked by Journey 
Math
How do you do this problem because i feel like i did it wrong (3ã2 + 4)^2 (3ã2 + 4)(3ã2 + 4) 9ã4 + 12ã2 + 12ã2 + 16 9*2ã2 + 12ã2 + 12ã2 + 16 18ã2 + 12ã2 + 12ã2 + 16 = 42ã2 + 16
asked by Angel 
Calculus II
I have a function RC * dvout/dt + vout = RIin and the initial condition vout(1) = 0 for t = 0 to 7.5. When I set up the equation to be solved using Euler's method, is it: vout = vout + f(vout,t)*step size, with f(vout,t) = (RIin  vout)/RC.
asked by Jenny 
science
Objects take up space and move through space different ways. Scientists use these differences to make models. For example, how a rubber band stretches helps you "see" the force acting on it. How could you use space relationships to model Earth and its
asked by Anonymous 
chem
if you were invoolved in an acid rain monitoring project with several other samplers,why would it be important that all of your samples on the same day and do the alkalinity tests within 24hrs
asked by alissa 
math
Find the vector eqn which passes through (1,1,2) and is parallel to the vector which is perpendicular to both 2i+2jk and 3i+2j+k
asked by Edwin