Questions Asked on
December 9, 2010

Physics
A 0.075 kg ball in a kinetic sculpture moves at a constant speed along a motorized conveyor belt. The ball rises 1.32 m above the ground. A constant frictional force of 0.350 N acts in the direction opposite the conveyor belt's motion. What is the net work
asked by Brian 
Physics
The front 1.20 m of a 1550 kg car is designed as a "crumple zone" that collapses to absorb the shock of a collision. (a) If a car traveling 26.0 m/s stops uniformly in 1.20 m, how long does the collision last? cannot_evaluate s (b) What is the magnitude of
asked by Brittany 
Chemistry
Which of the following compounds has the highest vapor pressure at 25°C? A. CH3CH2OH B. CH3OCH3 C. CH3CH2CH2Cl D. CH3CH2CH3 E. CH3CH2CH2CH
asked by Jake 
Chemistry
OK I just need help with two final problems that I am stuck on: The problem states the calcium carbonate in limestone reacts with HCl to produce a calcium chloride solution and carbon dioxide gas CaCO3(s)+2HCl(aq)>CaCl2(aq)+H2O(l)+CO2(g) 1)Find how many
asked by TT 
math
how to find the four geometric means between 5 and 1215
asked by g 
algebra 1
what kind of shoes does a frog wear
asked by star 
geometry
find the area of a regular hexagon with the side length 4m. round to the nearest tenth
asked by john 
physics
When a player's finger presses a guitar string down onto a fret, the length of the vibrating portion of the string is shortened, thereby increasing the string's fundamental frequency. The string's tension and mass per unit length remain unchanged. If the
asked by Please help me asap i dont want to fail 
Chemistry.
Urea: (NH2)2CO 1. Which bonds in the molecule are polar and which are nonpolar? 2. What is the most polar bond in the molecule?
asked by Jashmid 
Math
Explain how to find 14 x 19 by breaking apart the factors into tens and ones and finding the sum of the four partial products
asked by Mia 
chemistry
a cell is constructed by immersing a strip of silver in .10 M AgNO3 solution and a strip of lead in 1.0 M Pb(NO3)2 solution. A wire and salt bridge complete the cell. What is the potential of the silver electrode in the cell?
asked by audrey 
Geometry
Maggie claims that to make the measure of an angle greater, you just extend the rays. How do you respond?
asked by Gena 
Physics
Hi I really need this question answer as a check: a helicopter holding a 70 kilogram package suspended from a rope 5.0 meters long accelerates upward at a rate of 5.2 m/s^2. a. Determine tension on the rope. b. When the upward velocity of the helicopter is
asked by Rahul 
chemistry
Calculate the Gibbs free energy change for the reaction below when initial concentrations of CR3+ and Cu2+ are 1 M (F= 96500 J/V mole e) 2Cr3+ (aq) + 3Cu (s) > 2Cr (s) + 3Cu2+ (aq) I assume we use the deltaG= nFE equation, but how do you know n when Cr
asked by audrey 
Physics ( check answers)
Question 1 A 0.50 kg football is thrown with a velocity of 15 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.020s . What is the force exerted on the receiver? So I used mvfmvi/change(t) I got 375 for that one...
asked by Pablo 
2nd grade
Why are the flat surfaces on a rectangular prism called faces?
asked by kelly 
Geometry
Maggie claims that to make the measure of an angle greater, you just extend the rays. How do you respond?
asked by Gena 
math
Andy had 20% fewer marbles than Henry. When Andy gave 80 marbles to Henry, the numbers of marbles he had left was half of what Henry had. How many marbles did Andy have in the begining? Please help me
asked by Evelyn 
Math
A math teacher drove by a playground that was full of boys and dogs.The teacher notice there were a total of 40 heads and 100 feet. Hom many boys and how many dogs were there?
asked by Layla 
physics
A 59 kg diver stands at the end of a 32 kg springboard, the spring board is 3 m long. The board is attached to a hinge at the left end, but simply rests on the right support which is half way along the board. What is the magnitude of the vertical force
asked by rosie 
Chemistry
calculate the theoretical number of moles of HCl equivalent to 1 mole of a) NaHCO3 b)CaCO3 c)Al2O3
asked by prince 
physics
The driver of the car traveling at a constant 25m/s sees a child suddenly run into the road. It takes the driver 0.45s to hit the brakes. As it slows, the car has a steady acceleration of 8.5m/s©ü. What the total distance the car move before it stops.
asked by apol 
math
a can of soda weighs 336 grams. find the weight in kilograms
asked by raelee 
Chemistry
How many milligrams of NaHCO3 are in a 500mg tablet if 40.0 mL of 0.120M HCL is required to neutralize the sample?
asked by prince 
Finance
The extent to which inventory financing may be used depends on
asked by bob 
physics
Two freight cars, each with a mass of 3.9 105 kg, collide and stick together. One was initially moving at 3.2 m/s and the other was at rest. What is their final speed in m/s?
asked by lets go 
physics
A bullet of mass 8 g strikes a ballistic pendulum of mass 2.0 kg. The center of mass of the pendulum rises a vertical distance of 10 cm. Assuming that the bullet remains embedded in the pendulum, calculate the bullet's initial speed.
asked by joey 
geometry
in the abcd parallelogram ad=10 units ac= 12 units ed= 4.5 units ab= 8 units. If angle aed = 100 then dec= ?
asked by miya 
physics
A block slides down a frictionless ramp. If the ramp angle is 22 degrees and the length of it is 25m. find the speed of the block as it reaches the end of the ramp, assuming it started sliding from rest at the top.
asked by rosie 
math
break apart these numbers 40x16
asked by stephanie 
college
Write as a single log : 3log2+2log8 1/2 log4 ( simplify your answer) Ans
asked by Anonymous 
physicss
The question states: A 5.2 kg box is on a frictionless 36 degree slope and is connected via a massless string over a massless, frictionless pulley to a hanging 2.1 kg weight. What is the tension in the string if the 5.2 kg box is held in place, so that it
asked by Taylor 
Calc.
Find the minimum cost of producing 20,000 units of a product, where x is the number of units of labor (at$48 per unit) and y is the number of units of capital (at $36 per unit). P(x,y)=100x^.6y^.4
asked by Nancy 
mechanics
A string is wound around a uniform disk of radius R and mass M. The disk is released from rest when the string is vertical and its top end is tied to a fixed bar. (a) Draw a free body diagram indicating all the forces acting on the disk. (b) Calculate the
asked by sana 
trig
find the exact value of cos 3.14/8
asked by ashely 
Physics
1. A fisherman's scale stretches 3.6 cm when a 2.5kg fish hangs from it. What will be the frequency of oscillation if the fish is pulled down 2.7 cm more and released so that it oscillates up and down? 2. Two trains emit 518 Hz whistles. One train is
asked by Katelyn 
Chemistry
The odor of pineapple is due to the compound ethyl butyrate, which contains hydrogen, carbon, and oxygen. When 3.70g of ethyl butyrate are burned, 8.41g of carbon dioxide and 3.43g of water are the only products. Determine the empirical formula of ethyl
asked by Steward 
algebra
11) The HalfLife of Tylenol is approximately 3 hours. If you take 1000mg, how Tylenol much is left in your body after 4 hours?
asked by Mary 
chemistry HELP
laboratoories order hydrochloric acid as a concentrated solution (e.g. 36% W/V). what initial volume of concentrated laboratory hydrochloric acid should be diluted to prepare 5.00L of a 0.12 mol/L solution for an experiment? plz can someone show me how to
asked by TARA 
physics
A bullet fired vertically upwards from a gun held 2m above the ground reaches its maximum height in 4sec, calculate its initial velocity and the total distance the bullet travels by the time it hits the ground
asked by Saul 
Chemistry
a 15.00mL sample of NaOH was titrated to the stoichiometric point with 17.40mL of 0.2340M HCl. a) what is the molar concentration of the NaOH solution? b)calculate the grams of NaOH in the solution.
asked by prince 
Physics
A light string, connects blocks 1 and 2 of masses m1 and m2. These blocks are further connected to a block of mass M by another light string that passes over a pulley of negligible mass and friction. Blocks 1 and 2 move with a constant velocity v down the
asked by Rahul 
physics
Two freight cars, each with a mass of 3.9 105 kg, collide and stick together. One was initially moving at 3.2 m/s and the other was at rest. What is their final speed in m/s?
asked by lets go 
Physics
Ultrasound reflected from an oncoming bloodstream that is moving at 30 cm/s is mixed with the original frequency of 1.3 MHz to produce beats. What is the beat frequency? (Velocity of sound in blood = 1540 m/s.) Beat frequency = Hz HELP: This problem
asked by Angel 
Geometry Please Help
Given: QS bisects ∠RQT; ∠R ≅ ∠ T Prove: SQ bisects ∠RST /Users/szeringue/Documents/triangle.doc
asked by Sam 
English
A: Hello, may I speak to Andy? B: Sorry, he's out. ______, please? A: This is Harry Simpson. 1. Who calls 2. Who's calling 3. Who is this (Which expressions can be put in the blank? Is #1 correct? Can we use some other expressions? I think #2 and #3 are
asked by rfvv 
Physics
A hydraulic lift consists of a platform that is supported by a cylindrical piston, which resides in a tube connected to a reservoir of hydraulic fluid. The piston and platform have a mass of 300 kg. The input force is generated at a smaller piston
asked by Sam 
Chemistry
A sample of phosphorus of mass 3.654 g reacts with dichlorine to form 16.20 g of a molecular compound. What is the empirical formula of this compound?
asked by Roger 
Chemistry
Calculate the molarity of the following solutions: 5.0g of KOH in 4.0L of KOH solution I went from grams of KOH to moles of KOH to molarity but still got the wrong answer... 5.0g KOH X 1 mol KOH/56.108g KOH = 5.0 mol KOH/56.108=0.0891 mol KOH/4.0L and got
asked by TT 
Geometry Please Help
Given: QS bisects ∠RQT; ∠R ≅ ∠ T Prove: SQ bisects ∠RST
asked by Sam 
Algebra uno, help please(:
Between 1990 and 2000, the number of thousand vists by people to hawaii volcanoes national park increased by about 43.1 thousand visits per year. in 2000 there were about 1529.6 thousands visits to the park. Write an equation in slopeintercept form that
asked by Allyson 
Physics
What is the momentum of a twoparticle sys tem composed of a 1300 kg car moving east at 60 m/s and a second 1500 kg car moving west at 95 m/s? Let east be the positive direction. Answer in units of kg · m/s.
asked by Ashley 
Precalculus
Having trouble with this: Verify: csc^4xcot^4x=2csc^2x1 *the numbers after the carets are to the power of
asked by Joseph 
physics
Jason takes off across level water on his jetpowered skis. The combined mass of Jason and skis is 75 kg (the mass of the fuel is negligible). The skis have a thrust of 200 N and a coefficient of kinetic friction on water of 0.1. Unfortunately, the skis
asked by rosie 
Math
I'm TOTALLY stuck on my math!!! How do I find the unit rate of $11.49 for 3 packages?? I have to round to the nearest hundredth if necessary.... :)
asked by Anonymous 
chemistry
The strongest intermolecular forces present in a sample of pure I2 are A. covalent bonds. B. covalent network bonds. C. metallic bonds. D. dipole–dipole forces. E. London forces.
asked by Jake 
mechanics
Two planets, X and Y , travel counterclockwise in circular orbits about a star, as shown in figure below. The radii of their orbits are in the ratio 3 : 1. At some time, they are aligned as in the figure, making a straight line with the star. During the
asked by sana 
Ap American Lit
hi i need help making literary 3x3 cards for Jane Eyre chapters 110 does any one have good ideas?
asked by karin 
geometry
in triangle GHJ, K(2,3) is the midpoint of GH, L(4,1) is the midpoint of HJ, M(6,2) is the midpoint of GJ. Find the coordinates of G, H, and J.
asked by brandi 
Chemistry!
What is theoretical yield when 15.6g of bromobenzene & 8.3g of methyl benzoate is used in a Grignard reaction.
asked by margrav2 
chemistry need help plzzz tomorrow is a TEST!!!
phosphoric acid is the active ingredient in many commercial rustremoving solution.calculate the volume of concentrated phosphoric acid (14.6 mol/L)that must be diluted to prepare 500mL of a 1.25 mol/L solution. how can i calulate the volume cocentration
asked by TARA 
Geometry
1. Explain whether the following statement is a valid definition: “A 150° angle is an obtuse angle.” Use the converse, biconditional, and at least one Euler diagram to support your answer. 2. Explain the purposes of inductive and deductive reasoning
asked by Julie 
AP PHYSICS
A hydraulic lift consists of a platform that is supported by a cylindrical piston, which resides in a tube connected to a reservoir of hydraulic fluid. The piston and platform have a mass of 300 kg. The input force is generated at a smaller piston
asked by Anonymous 
Spanish for Whitney
In case you don't go back to your other post, I don't want you to miss what I wrote: It's new terminology then because for over 70 years I have only heard as verb forms: Seven Simple Tenses: Present Indicative (Presente de Indicativo), Imperfect Indicative
asked by SraJMcGin 
Chemistry
A 5.00 gram mixture of CaO and CaO3 is heated strongly. After heating, the mixture it has a mass of 4.00 grams. What % of the original mixture is CaCo3?
asked by Paul 
Chemistry
All of the following are postulates of the kinetic molecular theory of gases except A. The gas molecules are in constant motion. B. The gas molecules are in rapid motion. C. The collisions between molecules are elastic. D. At a constant temperature, each
asked by Jake 
8th grade
When a truck pulls a trailer, the trailer and truck accelerate forward even though the action and reaction forces are the same size but are going in opposite directions. Why don't these forces balance each other out?
asked by Anonymous 
math
Consider a parabola P that is congruent to y=x^2, opens upward,and has its vertex at (2,4). Now find the equation of a new parabola that results if P is: A. stretched vertically by a factor of 5. B. compressed by a factor of 2. C. translated 2 units to
asked by ted 
Math Finite
A box contains 15 pens of which 4 are defective. A random sample of 3 pens is taken without replacement and without regard to order. What is the probability of selecting at least one defective pen?
asked by Amy 
accounting
which of the following is never considered in incremental analysis? a. incremental revenue b.sunk cost c.incremental profit d. differential costs
asked by taneka 
Physics
The length of a simple pendulum is 0.58 m, the pendulum bob has a mass of 285 g, and it is released at an angle of 16 degrees to the vertical. With what frequency does it oscillate?
asked by Jessica 
Business
Based on this financial info where a company's Beta Year = 2008, the Company's commons stock = 0.85, the RiskFree Rate of Return = 5%, and the Market Risk Premium = 6%. Use the dividend growth model to calculate the Company's Common Stock in 2008. Stock 1
asked by Ann 
physics
A 10 kg block slides up a hill to a height of 5.8 m. If 414 J of thermal energy are generated, how fast was the block going at the bottom of the hill?
asked by mas 
8th grade
An alloy of metals is 25% copper .Another alloy is 50% copper. How much of each alloy should be used to make 1000grams of an alloy that is 45% copper?
asked by Jake 
physics. please help
A worker pushes a 820 N crate with a horizontal force of 345 N a distance of 24 m. Assume the coefficient of kinetic frictin between the crate and the floor is 0.22. a) How much work is done by the worker on the crate? b) How much work is done by the
asked by Alecia 
Chemistry
The normal boiling point of a liquid is A. the temperature at which all three phases are in equilibrium. B. the only temperature at which there can be equilibrium between the liquid and gas states. C. the temperature at which the vapor pressure equals 760
asked by Jake 
math
latoya has 3/4 of a bag of popcorn. If she eats half of the popcorn at the movie, how much does she have left?
asked by anne 
Math
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54 hours last month and made $388 before deductions. How many hours did he work at his new job?
asked by Lucas 
Chemistry. Help please
Calculate the pH of a buffer solution made by mixing 174 mL of a 1.68M trimethylamine (CH3)3N solution with 250 mL of a 1.08M trimethylammonia chloride, (CH3)3NHCl solution.
asked by Stephanie 
Algebra
Elena bicycles 5km/h faster than Dennis. In the same time it takes Dennis to bicycle 57 km, Elena can bicycle 72 km. How fast does each bicyclist travel. There was another variation I looked at of this, but the person who answered did not answer well
asked by AlgebraDummy 
History
1. As industry spread, the British and German governments initiated reforms to improve workers’ lives. What motivated Bismarck to enact reforms in Germany? What kinds of reforms were enacted in Germany and Britain? 2. 2. Write a brief, wellorganized
asked by Kathy 
Modern World Studies
1. As industry spread, the British and German governments initiated reforms to improve workers’ lives. What motivated Bismarck to enact reforms in Germany? What kinds of reforms were enacted in Germany and Britain? Please give me information that answers
asked by Julie 
Precalculus
Doing some test corrections and not seeing this....Please help: Verify. csc^4x  cot^4x = 2csc^2x1
asked by Joseph 
chemistry
In 24 g of a 7.8% by mass solution of CaSO4? How many grams of solute are present gCaSO4? how many grams of solvent are present g solvent?
asked by Anonymous 
Chemistry
how many milliliters of 0.250M KOH will react with 15.0mL of 0.305 M H2SO4?
asked by prince 
12th grade
Objects on the moon's surface have an acceleration due to gravity onesixth that on the earth's. What would the 40 kg boy weigh on the moon? (Round answer to nearest tenth.)
asked by Jenna 
physics
If 8.00 moles of a monatomic ideal gas at a temperature of 260 are expanded isothermally from a volume of 1.08 to a volume of 4.14 .Calculate the work done by the gas.Calculate the heat flow into or out of the gas.If the number of moles is doubled, by what
asked by demitri 
economics
charts for micro economics and macro economics
asked by swathi 
hsi135
After Nixon resigned from office, President Ford became President of the United States. One September 8, 1974, President Ford offered Nixon a presidential pardon for his crimes. He stated in his pardon that “It is believed that a trial of Richard Nixon,
asked by Anonymous 
Physics
A thing rod of length L and negligible mass, that can pivot about one end to rotate in a vertical circle. A heavy ball of mass 5.00kg is attached to the other end. The rod is pulled aside through an angle 30.0 degrees and released. What is the speed of the
asked by Andrea 
Chemistry
The odor of pineapple is due to the compound ethyl butyrate, which contains hydrogen, carbon, and oxygen. When 3.70g of ethyl butyrate are burned, 8.41g of carbon dioxide and 3.43g of water are the only products. Determine the empirical formula of ethyl
asked by Steward 
english gramar
oll noun question with santenc
asked by ujjwal 
physics
A cylinder with a moveable piston holds 3.00 of argon at a constant temperature of 300 . As the gas is compressed isothermally, its pressure increases from 101 to 125 .Find the final volume of the gas.Find the work done by the gas.Find the heat added to
asked by demitri 
physics
a motor turns 21.6 revolutions in 0.75 second. what is the angular speed of the motor in rpm? in radians per second?
asked by joshua 
Calculus
Find the derivative of y=5^(14x) lny=(14x)ln5 Can I split it? lny=ln54xln5 1/y dy/dx = [4ln5/(4xln5)^2] dy/dx=[4ln5/(4xln5)^2]y Thanks.
asked by sh 
Math
You have 36 stamps that you want to put into a stamp album. Stamp albums are made with either 4 to 6 pages. You need to decide which album you will use in order to have an equal number of stamps on each page. The question is: Choose one album that you will
asked by Austin(3rd) 
Math
Replace A,B,C with numbers so that: A*A=B BA=C A+A=C
asked by Layla 
math
The cosat C, in dollars, of operating a concretecutting machine is modelled by C=2.2n^266n+655, where n is the number of minutes the machine is run. How long must trhe machine run for the operating cost to be at a minimum? What is the4 minimum cost?
asked by ted 
Math
A bag holds 8 yellow marbles and 5 orange marbles. How many and what color marbles would you add to the bag so that the probability of picking a yellow marble is 2/3?
asked by Sarah 
chemistry
1. Nitrogen gas and sodium liquid are produced by the decomposition of sodium azide NaN3 (s). what volume of nitrogen gas, measured at 25 C and 0.980 atm, is produced by the decomposition of 62.5 g of sodium azide? 2. A gas sample in a container with a
asked by Helen 
Chemistry
When a 1.350g sample of element X is heated in a stream of chlorine gas 6.67g of XCl3 are formed.1.) What(write) is a balance equation for the reaction using 'X' for the element? 2.) Calculate the atomic weight of X. 3.)What mass of X is left unreacted?
asked by Joseph 
Physics
Consider the resonant frequencies of a 1.78 m tube closed at one end at 24°C. a) Lowest resonant frequency = Hz HELP: You know the length of the tube. What else do you need in order to calculate the frequency of the lowest resonance of a tube that's
asked by Angel 
Physics
A satellite has a mass of 101 kg and is located at 1.99x10^6 m above Earth's surface. (a) What is the potential energy of the satellite at this location? (b) What is the magnitude of the gravitational force on the satellite? for potential energy, I was
asked by Emily 
physics
I need help finding an equation for: an asteroid revolves around the sun with a mean orbital radius twice that of Earth's. Predict the period of the asteroid in Earth years. Thank you.
asked by annie 
physics
A 10 kg block slides up a hill to a height of 5.8 m. If 414 J of thermal energy are generated, how fast was the block going at the bottom of the hill? 1 m/s
asked by ami 
science
This isn't a homework/quiz question, Well I guess it is homework, But I need to find out three types of friction in a machine I just built, but I don't know any types of friction. So I was wondering if someone could list the types and explain what they
asked by Luna 
7th grade
what were the steps on mendels experiments with pea plants?
asked by jacob 
physics
A 10 kg block slides up a hill to a height of 5.8 m. If 414 J of thermal energy are generated, how fast was the block going at the bottom of the hill? 1 m/s
asked by mas 
algebra
6xy=4 2x+2y=15 Solve for y
asked by x 
calc
find linear approximations for each of the following and put a bound on the error of the estimate. 1. (7.985)^1/3 using f(x)=x^1/3 and a=8 2. (.9997)^100 using f(x)=x^100 and a=1 please help
asked by C 
mechanics
Q2. A block of massmrests on the left edge of a block of larger massM. The coefficient of kinetic friction between the two blocks is , and the surface on which the larger block rests is frictionless. A constant horizontal force of magnitude F is applied
asked by sana 
chemistry
After writing a balanced equation for the reaction between magnesium and hydrochloric acid, calculate the mass of magnesium needed to produce 90ml of hydrogen gas @ STP conditions.
asked by Tiffany 
math
bayside insurance offers two health plans. under plan A, giselle would have to pay the first 160 of her medical bills, plus 25% of the rest. under plan B, giselle would have to pay the first 180, but only 20% of the rest. for what amount of medical bills
asked by june 
Chemistry HELP
40.0 mL of 0.1880 M formic acid is titrated with 30.0 mL of 0.2010 M NaOH. Pka of formic acid is 3.8. What is the pH of the titration?
asked by Kaylee 
4th grade
What is the greatest and least possible product you can make using the digits 1,3,5,6 and 7 in the multiplication problem below? Use each digit only once, _ _ _ X _ _ = ?
asked by Esther 
calculus
a particle moves along the xaxis in such a way that its acceleration at any time t is given by a(t)= 6t  18. At time t = 0, the velocity v(t) = 24. and at time t = 1, the position x(t) = 20 i have to find the expression for the velocity and what values t
asked by allan 
mechanics
Q3. A skeet (a small disc) of massM is fired at an angle to the horizontal with a speed v0. When it reaches the maximum height it is hit from below by a pellet of mass m (m < M) traveling vertically upward at a speed of v. The pellet is embedded in the
asked by sana 
mechanics
A wad of sticky clay of massmand velocity vi is fired at a solid cylinder of massM and radius R. The cylinder is initially at rest and is mounted on a fixed horizontal axle that runs through the center of mass. The line of motion of the projectile is
asked by sana 
Math
kyle just started a new job that pays $7 per hour. He had been making $5 per hour at his old job. Kyle worked a total of 54 hours last month and made $388 before deductions. How many hours did he work at his new job?
asked by Lucas 
5th grade math
3/7 cup plus 1/4 cup equals how much of a cup of mixture.
asked by Darb 
Geometry
Given:JG/HG =KG/IG, ∠1 ≅∠2 Prove: EF ll HI /Users/szeringue/Documents/#6.doc
asked by Jake 
7th grade
I am doing a battle chart in history class the I need to know who won the Gonzales battle Also i need the mexican leader and the texas leader and who won on in the battle of the concepcion and where the goliad battle took place and when it took place also
asked by Abby 
statistics
As a marketing analyst for Imperial Products, your task is to determine if a new product is worth marketing nationwide. The director of marketing has stated that at least 85percent of the public must express some desire for the product and, for those who
asked by dillan 
Chemistry
When a 1.350g sample of element X is heated in a stream of chlorine gas 6.67g of XCl3 are formed.1.) What(write) is a balance equation for the reaction using 'X' for the element? 2.) Calculate the atomic weight of X. 3.)What mass of X is left unreacted?
asked by Joseph 
Algebra
The equation y=1777x+27,153 can used to predict the number of y gun deaths in the United States x years after 2000 that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=6 corresponds to 2006, and so on. Predict the number of gun deaths in 2006 and
asked by Michelle 
math
Monique is using similar triangles in her graphicdesign project. The triangles are isosceles. One has a base of 5 inches and legs of 7.5 inches. If the other triangle has a base of 14 inches, how long are the legs?
asked by nicole 
Physics ( check answers)
Question 1 A 0.50 kg football is thrown with a velocity of 15 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.020s . What is the force exerted on the receiver? So I used mvfmvi/change(t) I got 375 for that one...
asked by Pablo 
History
1. As industry spread, the British and German governments initiated reforms to improve workers’ lives. What motivated Bismarck to enact reforms in Germany? What kinds of reforms were enacted in Germany and Britain? Please give me information that answers
asked by Anonymous 
Physics  Mechanics and Ocsillatory Motion
Suppose that each of the three masses in the figure below has a mass of 5.05 kg, a radius of 0.0679 m, and are separated by a distance of 9.9 m. If the balls are released from rest, what speed will they have when they collide at the center of the triangle?
asked by Sara 
chemistry
How do you know that from this list, F2 is the strongest oxidizing agent? Mg2+ Mg F2 F H+ Why is F the weakest reducing agent from this list? Al3+ Al F2 !@#$%^&+
asked by audrey 
Physics
A satellite has a mass of 101 kg and is located at 1.99x10^6 m above Earth's surface. (a) What is the potential energy of the satellite at this location? (b) What is the magnitude of the gravitational force on the satellite? for potential energy, I was
asked by Emily 
Physics
Tom pushes a 50 kg up a ramp. The ramp is 6 m long and is set at a 15 degree angle. Starting with an initial speed of 1 m/s, Tom begins pushing the box up with a force of 250N. What will the final speed of the box be at the top?
asked by Janet 
science
which of the following are not examples of centripetal acceleration
asked by bianca 
Finance
A company requires the amount of $1,000,000 in 25 years to retire a bond issue. Assume they can earn 5 3/4% interest compounded daily. What amount would they have to pay quarterly to be able to retire this debt in 25 years?
asked by ashley 
Chemistry
A 2.4375 g sample containing a mixture of KClO3 and NaCl is heated and under goes a mass loss of 0.6191 g. What is the percent of KClO3?
asked by Brittany 
physics
This refers to passive solar collector, where solar radiation is used to heat water. It is therefore not on the solar cells. What characteristics should solar collectors have, to function in an optimal way? Why should these properties be fulfilled? If
asked by bark 
grammar
Diagram the simple subject and the simple predicate of each sentence. 1.Where do people use machines? people/use 2. Machines exist in homes, office buildings, and hospitals. Machines/exist 3. What amazing things machines can do! Machines/can do 4. Listen
asked by TiffanyJ 
physics
A tugboat pulls a ship with a constant net horizontal force of 5200 N and causes the ship to move through a harbor. How much work is done on the ship if it moves a distance of 3 km?
asked by Devon 
grammar
Diagram the simple subject, the simple predicate, and the direct object of each sentence. Diagram any indirect object as well. 1. People solve problems every day. People/solve/problems 2. A computer will provide answers. Computer/will/provide 3. Anidea
asked by TiffanyJ 
Chemistry
Consider the following reaction: H2O(l) + 3NO2(g) > 2HNO3(l) + NO(g) What volume of NO (in L) is produced starting from 1.80 g of water and 11.5 g of NO2 at 300 K and 1 atm? (use R = 0.0821 L atm/mol K). I am completely confused :(
asked by Lauren K. 
Chemistry
a 2.4375 g sample containing a mixture of KClO3 + NaCl is heated and undergoes a mass loss of 0.6191g. What percent of KClO3 is in the mixture?
asked by Brittany 
Math
A process for producing electronic circuits has achieved very high yield levels. An average of only 10 defective parts per million is currently produced. 1. What are the upper and lower control limits for a sample size of 100? 2. Recompute the upper and
asked by jackie 
physics
what happens if the cars on the roller coaster has too slow speed?
asked by sjkal 
Physics
During the preindustrial era, what were the Carbon Dioxide levels like?
asked by Raam 
Physics
Consider the motion of a projectile. It isfired at t = 0. Its initial speed is 36 m/s and its initial projection angle is 55◦ from the horizontal. The acceleration of gravity is 9.8 m/s2 . y x What is the maximum height, h, of its tra jectory? Answer in
asked by Bobby 
chemistry
In the following equation, which species is the oxidizing agent? KCLO3 > KCL + KCLO4 In the same are, How do you know that Cu is the reducing agent in this equation: AgNO3 + Cu > Cu(NO3)2 + Ag
asked by audrey 
Calculus
I need help to start this problem please, A company can sell 4500 pairs of sunglases monthly when the price is $5. When the price of a pair of sunglasses is increased by 10%, the demand drops to 4250 pairs a month. Assume that the demand equation is
asked by sh 
Science
What are the different types of seeds??(mustard,apples,etc)
asked by Maci 
11th grade
I need help interpreting a quote...." in this world goodness is destined to be defeated ".
asked by angelica 
physics
when Chris slams a basketball he has a vertical leap of 1.46 meters. what must his initial vertical velocity be in order for him to reach this height?
asked by marissa 
word problem
bought a jumbo box of candy. by the time i got home kids ate 1/4 of candy. Put groceries away and another 1/2 of what was left was eaten. Before dinner ate another 1/6 of what was left. Now there are 10 candies left. How many chocolates were in the box to
asked by kim 
algebra
To solve the inequality 1/2 k is greater then or equal to 5, Danny multiplied both sides by the reciprocal of 1/2 . His solution was k is greater then or equal to 10.What mistake did he make? Danny checked his solution, but his check did not let him
asked by lala 
college math/chemistry
chemical reaction: E + S E~S ES indicates a bidirectional reaction with different forward and backward rate constants. we can call these k1, k2, k3 and k4 in the above equation. Here, the enzyme binds to the substrate; the initial complex E~S then
asked by Heather 
and
A mass of 29kg is moving to the right at 15m/s. That mass collides with a 25 kg mass that is stationary. The masses stick together after the collision. What is the velocity of the masses after the collision? Answer
asked by Anonymous 
Spanish
Last 4 questions for a while 46. Quiero pasear en bote ______. a. en el lago b. en la selva tropical c. en las montañas en el invierno d. en las cataratas A? 47. Voy al mar ___ a. para la selva b. en las cataratas c. para bucear d. hace fresco C? 48.
asked by mysterychicken 
Chemistry
a 2.4375 g sample containing a mixture of KClO3 + NaCl is heated and undergoes a mass loss of 0.6191g. What percent of KClO3 is in the mixture?
asked by Brittany 
Science
Light is shone on a metal and photoelectrons are emitted, what are the three things which might cause the photoelectron emission to stop
asked by Ian 
geometry
E And C are mid points od line AD and line DB; line AD is congruent to line DB and angle A is congruent to angle 1. What do you do to prove that ABCE is a isosceles trapezod ??
asked by Anonymous 
calculus
construct an isoceles triangle with an area of 100. what is the length of the base of the triangle which has the smallest perimeter? Prepping for a test, explanations please
asked by Chelp please asap 
Math
Find the standard deviation for the given data. Round your answer to one more decimal place than the original data. 2, 5, 47, 11, 13, 48, 39, 36
asked by Rena 
history
Why did the Supreme Court rule that segregation was constitutional?
asked by Brittany 
Statistics
Given a population with a normal distribution, a mean of 100, and a standard deviation of 1, what value has an area of .1234 to its right?
asked by Ed 
physics
A 13.5 m long wire of mass 173 g is stretched under a tension of 269 N. A pulse is generated at one end, and 16.5 ms later a second pulse is generated at the opposite end. Where will the two pulses first meet?
asked by Nikki 
algebra
To write the initial equation of a straight line 6x  5y  4z + 8 = 0.6x + 5y + 3z +4 = 0
asked by Andruxa 
Physics
What would the volume of commercial butane be equal to given an air flow of 0.6 cubic metres/hr?
asked by Harry 
Physics
What is the amount of CO2 added to the earth's atmosphere each year from fossil fuels?
asked by Bill 
Foreign Language  Latin
This week we learned the phrase, amicus curiae, meaning friend of the court. A friend of the court is an expert who comes into the court and gives background information that the court may need for the case. The person is not involved in the case in any
asked by Kathy 
physics
why is static friction bigger than kinetic friction
asked by Michelle 
economics 212
Compare and contrast market systems and the role of an economist within these systems.
asked by Anita fields 
economics
charts for cardinal and ordinal utility
asked by swathi 
Calculus
The base of a certain solid is the triangle with vertices at (10,5), (5,5), and the origin. Crosssections perpendicular to the yaxis are squares.
asked by lila 
Business
Fice companies contributed different amounts to a local charity. Which visual could best illustrate the percentage of all the monies collected that each company's contributed repreented? table bar chart line graph pie chart
asked by terrie 
Chemistry
I need help with this problem please Calculate the amount of reagents you take to prepare 200 g of 9.0% (m/m) glucose solution? I already found the mass of the glucose which was part one and got 18.0 g of glucose. Now they want the mass of water and I am
asked by TT 
Math
Input s ? ? 9 12 15 t 70 66 62 58 54 Write the rule as an equation. Use the equation to extend your pattern.
asked by kelly 
English
Posted by rfvv on Thursday, December 9, 2010 at 10:03pm. 1. We had to cook the turkey for six hours. 2. We had to cook the turkey in six hours. 3. We had to cook the turkey until six hours. 4. We had to cook the turkey from six hours. 5. We had to cook the
asked by rfvv 
Math !!!!ASAP!!!!!
How would you write a algerbraic expression depicting the cost of renting a car for (n) days if the daily charge is $24.98 plus 12 cents a mile?
asked by Sumaiya 
7th grade
how do i solve a+3/5=24/25
asked by ryan 
calc
construct an isoceles triangle with an area of 100. what is the length of the base of the triangle which has the smallest perimeter? Prepping for a test, explanations please
asked by Tim 
Finite Math
I keep trying to set up this problem to solve it using the Simplex Method, but I can't seem to get the tableau set up correctly. If anyone could help, I would appreciate it: A baker has 150 units of flour, 90 of sugar, and 150 of raisins. A loaf of raisin
asked by Christina 
john tyler
a 751 diver drops from a board 9.10 m above the water's surface. How much kinetic energy does the diver have right before he hits the water?
asked by shay 
English
1. If it's not too big, I will take it. (What is the meaning of 'take' in this sentence? Does 'take' mean 'buy'?)
asked by rfvv 
com
I am trying to understand how to determine if a source is credible What do I look for to determine this
asked by Hi 
biology
discuss the difference between passive diffusion and active transport processes
asked by symone 
algebra
Does this look right? Mike runs twice as far as Jim, but Phillip runs three times as far as Jim. If the three of them run a total of 24 miles, how far does each man run? 2m + j = 24 3p + j = 24 I am so wrong aren't I? Can someone help me, please??
asked by Jessica Fuentes 
Chemistry
a 2.4375 g sample containing a mixture of KClO3 + NaCl is heated and undergoes a mass loss of 0.6191g. What percent of KClO3 is in the mixture?
asked by Brittany 
English
How can we understand the complicated relationship between the Indians and Nick, and his father and Uncle George in Indian Camp by Ernest Hemingway? I included how uncle george calls the indian woman by an offending name, but I'm trying to see if there are
asked by Anonymous 
math(7th)
Can someone PLEASE help me:{ I never understand math. I always have a B in this class. ow do I find the unit rate of $11.49 for 3 packages?? I have to round ti the nearest hundredth if necessary.... :) thank ya!!!
asked by Bethany :] 
6th grade
I asked one of the guards a question then iI relized he was made of wax! I need help on where to put the semicolons and colons
asked by Shelly 
chem
Calculate the number of liters of hydrogen, measured at STP, that can be produced from the reaction of 0.155 mol of aluminum according to the following unbalanced chemical reaction equation. i got .193 L of H2 but it was wrong. i only have one submition
asked by hannah 
geometry
E And C are mid points od line AD and line DB; line AD is congruent to line DB and angle A is congruent to angle 1. What do you do to prove that ABCE is a isosceles trapezod ??
asked by Anonymous 
Math
Dina earned 1/4 for baby sitting and 1/2 for washing the dishes. How much money did she NOT earn from $25.00?
asked by Hannah 
Chemistry
I am having trouble getting this starting and figuring out the correct steps...the problem is Calculate the final concentration of the solution in each question 1) Water is added to 0.270 L of a 6.00M HCl solution to give a volume of 3.00 L (Express
asked by TT 
Math
Exprees each series using sigma notation. 3+6+9+12+15
asked by Zerick 
java programming
Enhance bank account class by adding preconditions for the constructor and the deposit method that require the amount parameter to be atleast zero, and a precondition for the withdraw method that requires amount to be a value between 0 and the current
asked by JJ 
algebra
The function H described by H(x)=2.75x+71.48 can be used to predict the height in centimeters of a woman whose humerus is x centimeters long what is the height of a woman whose humerus is 35 centimeters long?
asked by Michelle 
English
1. Mom had to check the timer every 10 minutes. 2. Mom had to check the timer every 10th minute. (Can we use both expressions?) 3. How about going at 6:00 at the art center. 4. How about coming at 6:00 at the art center. 5. How about arriving at 6:00 at
asked by rfvv 
math
Andy had 20% fewer marbles than Henry. When Andy gave 80 marbles to Henry, the numbers of marbles he had left was half of what Henry had. How many marbles did Andy have in the begining? Please help me
asked by Katherine 
physics
If two marbles having mass of 27.7 grams and of 3.6 grams have stuck together where do they land and how much kinetic energy would be lost ?
asked by Eduardo 
math
80% of 30 questions were correct, write 80% as a reduced fraction would it be 2 2/3
asked by jill 
Physics
A massonaspring system has a spring constant k = 384 N/m and a mass m = 0.51 kg. (a) If it is given an initial displacement of 0.22 m and then released, what is the initial potential energy of the oscillator? = 9.29 J (b) What is the maximum kinetic
asked by Jillian 
math
if a person drove 364 miles in 7 hours how many miles did they drive in 1 hour
asked by leandra hines 
chem
Calculate the number of grams of magnesium nitride necessary to produce 2.02 L of ammonia gas at STP. I got 4.55g for the upper question which is correct but idk how to do the bottom one: How many moles of magnesium hydroxide can also be formed? Mg3N2(s) +
asked by rebekah 
economics
charts for inductive and deductive study
asked by swathi 
geomertry
Find the range of possible values for x 3x5 27
asked by Tonya 
economics
charts for economic and non economic activities
asked by swathi 
Math
Prove this identity. State any restrictions on the variables. sin x/(tan x)= cos x
asked by Emily 
algebra
a factory just outside of newyork city produces 40 packs of gum in 4.2 seconds,each containing 6 sticks of gum. Approximately how many total sticks of gum does the factory produce in one minute?
asked by jaelen 
geometry
if ab=3x+11 bc=2x+19 and cd=7x17 find x
asked by robin 
Math Finite
A two card hand is dealt from a standard deck. What is the probability of drawing at least one face card?
asked by Ericka 
Analytical Chemistry
A photon of an Xray radiation has a wavelength of 5.50 Å. For the radiation, calculate the (a)frequency in Hertz, (b)the energy in Joules, (c) the energy in electron volts (eV) and (d) the energy in kJ/mol.
asked by Kelley 
math
Luis put $800 in his saving account whichs pays 6% annual interest How much will he have in his account in a year if the interest is compounded quarterly? what is the first quarter principle?
asked by carolyn 
3rd grade
What is a number sentence that shows the same product as the product of 9 and 2
asked by Richard 
statistics
Using the standard normal distribution, find the probability that z is less than 1.78 (Points: 6) 0.0375 0.9625 0.9319 0.0384
asked by sonny 
10th grade
Suppose that a kid was casually sledding down a gentle slopping hill going 6 feet per second. Then, he hit a steeper part of the hill and started accelerating at a rate of 1.2 feet/second squared. At the bottom of the steep part of the hill he was going
asked by Anna 
ant101
How does the identification of cultural universals impact our understanding of what it means to be human? How does the search for universals help us better understand human cultural behavior? What examples from your own culture can illustrate the ideas
asked by kim 
Chemistry
A protein found in some types of woodrotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of thos compound?
asked by Dee 
Science
1. Molten rock from the mantle flows out of active ___________. 2. This type of crust is generally 58 KM thick. _____________. 3. The inner and outer cores make up this layer of the earth. ______________. 4. The lightest materials make up the outermost
asked by Cheyenne 
7th grade
i need help with simple interest math homework.NOW!
asked by bob 
English
1. If I didn't wear a school uniform, then I would be happy every day. 2. If I didn't wear a school uniform, I would be happy every day. (Which one is correct? Are both OK? Which one is popular? What is the difference between the two sentences because of
asked by rfvv 
social studies
how did geography influence the developement the eastern hemisphere
asked by sacy 
calculus
find linear approximations for each of the following and put a bound on the error of the estimate. 1. (7.985)^1/3 using f(x)=x^1/3 and a=8 2. (.9997)^100 using f(x)=x^100 and a=1 please help explain please too
asked by C 
calculus
find the derivative of y= sigma (top number is x and bottom number is square root of x) e^t/t dt please and thank you
asked by sam 
Algebra one story problem help please.
in 1993, 2.00 Million females particpaited in U.S Highschool sports, by 2003, the number increased to 2.86 Mill. A) Write an equation in slopeintercept form that gives the number of females participaiting in US. highschool sports, ( in Millions) as a
asked by Allyson 
english
"That's one for the medical journal, George," he said. "Doing a Caesarian with a jackknife and sewing it up with ninefoot, tapered gut leaders." I would like to include this quote in my paper, but am not sure how to do it, since it already contains
asked by Anonymous 
Calc
express 3ln(r) 5ln(s)+ 7ln (t) as a single logarithm.
asked by Dan 
Math
Find the measure if the central angle that you would to represent each percent in a circle graph. Round to the nearest degree. 50%
asked by Please help 
algebra
4. Write an equation for the line through the points (2, 6) and (1, 4).
asked by Patrick 
Chemistry
a 2.4375 g sample containing a mixture of KClO3 + NaCl is heated and undergoes a mass loss of 0.6191g. What percent of KClO3 is in the mixture?
asked by Brittany 
Law
For a cross examination, can you question a witness about someone else's testimony?
asked by Brie 
statistics
give three characteristics of r
asked by marbear 
coding
If a patient suffers multiple burns, describe the correct coding sequence.
asked by red 
History
Can you please find any documents (pictures, quotes, info) for the following question: Compare and contrast the economy and politics that impacted the global economy of Europe during the Middle Ages and the Renaissance. Thank You
asked by Josh 
math
what multiplication facts can be found using the arrays 2*9 and 5*9?
asked by susie 
English
1. We had to cook the turkey for six hours. 2. We had to cook the turkey in six hours. 3. We had to cook the turkey until six hours. 4. We had to cook the turkey from six hours. 5. We had to cook the turkey after six hours. (#1 is right? What about the
asked by rfvv 
Chemistry
A protein found in some types of woodrotting fungi is 0.40% copper by mass. Each protein molecule is known to contain 4 copper atoms. What is the approximate molecular weight of thos compound?
asked by Dee 
Math
Translate: The product of 16% and some number?
asked by Michelle 
algebra
Trains A and B are traveling in the same direction on parallel tracks. Train A is traveling at 60 mph and train B at 63 mph. Train A passes a station at 11:10 AM. If train B passes the same station at 11:40 AM, at what time will train B catch up to train
asked by Michelle 
Math
11/14 x 7/12
asked by Ciara 
5th grade
how to do a double line graph with 2 superbowl teams scores with their mode median,and range for the first seven games. this is so hard for fifth grade. i need help
asked by deeandra 
Spanish
40. Me gustaría ver ______ profesor de español después de la clase. a. a mí b. a mi c. mi d. señor C? Either that or B, I think... 41. Los estudiantes no tienen mucha tarea hoy. ______ ir al campo. a. Piensan b. Pensamos c. pienso d. piensas B? 42.
asked by mysterychicken 
MATH
HOW DO YOU DO INPUT & OUTPUT DIVISION Tables
asked by ASHLEY 
English
I have a few last doubts. Thank yo very much for your corrections. 1)The narrator can tell a story using a first or a thirdperson. An internal narrator tells of his own personality. (or tells about?) 2) The story deals with (and not tells about) a family
asked by Franco 
math
what is 93,04254,878: what is 153,91168,099; what is 49,499*5; what is 61,71130,490; what is 29,038*72; what is 22,675*30
asked by sarah smith 
economics
charts for positive and normative study
asked by swathi 
Geography
What is nomadic herding?
asked by Cheryl 
chemistry
2 NO(g) + 1 O2(g) 2 NO2(g)
asked by Anonymous 
Math help
Losing your bags during airline travel is not all that uncommon. Recently, an airline was cited for losing customers' baggage 8% of the time. A test is conducted by randomly selecting 20 customers for that airline and observing whether they had lost their
asked by Mariah 
economics
chjarts for economic and non economic activities
asked by swathi 
math
Andy had 20% fewer marbles than Henry. When Andy gave 80 marbles to Henry, the numbers of marbles he had left was half of what Henry had. How many marbles did Andy have in the begining? Please help me
asked by lesly 
math
how do you draw a graph of a relation y=x^2+4 and use appropriate transformation starting with y=x^2
asked by ted 
history
what was the soical structure during the Renaissance in Europe?? please help asap!!!! thankssss:)
asked by Anonymous 
English
1. He can play the guitar. 2. He can play guitar. (Which one is correct? Are both OK?)
asked by rfvv 
English
Hello. I will really appreciate it if you will help me with some language problems. 1)Is an article necessary in the following sentences: "He gave his first press conference as... a)(?)president. b)(?)president of Zimbabwe. c)(?)new president of Zimbabwe.
asked by Ilma 
english
what are some facts about satire,lampoon,an d parody?
asked by lauren 
Analytical Chemistry
A photon of an Xray radiation has a wavelength of 5.50 Å. For the radiation, calculate the (a)frequency in Hertz, (b)the energy in Joules, (c) the energy in electron volts (eV) and (d) the energy in kJ/mol.
asked by Kelley 
culinary
What is a salary for s licensed chef?
asked by Rhonda 
PreCalc
I am stuck solving this problem, any help please..Many thanks find all numbers x that satisfy the given equation ln(2x)  =2 ln(3x)
asked by Roy 
Physics
A 24 inch string is wrapped around the 1/8 inch radius axis of a yo yo. Starting from rest the yo yo descends with a constant angular acceleration of 4 rad/second squared. How long will it take the string to completely unwind?
asked by Andrea 
PreCalc
Can someone show me how to do this please. I am stuck. find a number x such that e^2x – 12e^x =13
asked by Roy 
Math/Fractions
Tanisha has 2 new kittens. Together they weigh 3 5/8 pounds. If the male kitten weighs 5/8 pound more than the female kitten, how much does the male kitten weigh?
asked by Coco 
biochemistry
I have three questions. I don't even know where to begin. 1. a) If an in vitro fatty acid synthesizing system is supplied with [214C]acetyl CoA as the only source of radioactive label along with all other necessary cofactors/reactants for net fatty acid
asked by an 
math
the rectangle shown above has a total of 2808 square feet. the length is 78 feet. what is the width
asked by amber 
4th grade
Jorge and Hector like to play marbles.Jorge had 7 more than four times the number of marbles that Hector had. Together they had 37 marbles. How many marbles did Jorge have?
asked by maria 
Chemistry
How to find the molarity of NaOH when the given is 0.1803 grams of KHPg/mol molecular w. of KHP is 204.2 9.7 ml NaOH
asked by prince 
English
1. Our team practiced soccer every day. 2. Our team practiced the soccer every day. (Which one is OK? Are both grammatical? Do we have to eliminate 'the'?)
asked by rfvv 
anthropology
What are centralized political systems and how do they operate?
asked by Anonymous 
Human Service
Where can I find the names of Cognitive Disease I have checked the library, most popular search engines There are 3 diseases Please help
asked by Mary 
grammar
can you help me in semicolons, colon snd commas
asked by Shelly 
geometry
E And C are mid points od line AD and line DB; line AD is congruent to line DB and angle A is congruent to angle 1. What do you do to prove that ABCE is a isosceles trapezod ??
asked by Anonymous 
math
what multiplication fact could you use to find a number that can be divided evenly by 8 and by 9
asked by abby 
math
solve the equation for b. 12.270.9b=5.6(b+2.8)
asked by JESSICA 
Not a school subject. its for a contest.
HELP!!! I HAVE NO IDEA WHY I WANT TO BE MISS VFW EXCEPT I CARE FOR THE TROOPS AND I HAVE FRIENDS IN THE ARMY.
asked by Alycia 
Math
A population is 200 in the year 1825, 252 in 1850, and 318 in 1875. What is the p(t) equation? I see that the population increases 26% over each 25year period but I can't figure out the equation.
asked by Hannah 
English
1. They had a sleepover at Susan's house yesterday. (Is 'sleepover' popular among teenagers in the United states?)
asked by rfvv 
calculus
Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=4 x^2, x = 1, y = 0, about the xaxis
asked by john 
math 5thgrade
80% of 30 answers were correct write 80% as a reduced fraction? would it be 2 2/3?
asked by jill 
com 155 review
I am supposed to provide five examples of how the reviewer of the movie Burlesque used adverbs and five examples of the use of adjectives. I also need to decide if they used them effectively, why or why not. (yes, I know the last question I will have to
asked by Leigh 
engineering science
The power in a resistor RLOAD of 10 Ω when connected to a 100 volt supply is measured using a voltmeter and ammeter. There are two possible ways of connecting the meters as shown in FIGURE 2. The resistances RA and RV represent the internal resistances of
asked by David 
inflection points
How can I find the number of points of inflection for a function whose second derivative is .5 + cosx  e^x on the interval x is greater than or equal to 0 and less than or equal to 20?
asked by Anonymous 
science
ive been trying to find a report for 5th grade greenhouse effect science. how can i type it to find it?
asked by molly 
algebra
what is this mean n7=2
asked by victoria 
Calculus
I have a cone and water is leaking from it at a rate of sqrtV*2 how do i find out how long it takes
asked by Thomas 
math
drawing a black checker from a bag of 9 black checkers and 6 red checkers, replacing it, and drawing a red checker
asked by jesse 
Physics
forces of 185N and 245N act east and south respectively on an 80 kg mass.If the force of friction is ZERO , find the accleration of the mass.
asked by Jo 
Calculus
Find the volume of the solid formed by rotating the region enclosed by x=0, \ x=1, \ y=0, \ y= 8 +x^{2} about the xaxis.
asked by Anonymous 
spanish
what does las uno voy a la clase ciencia means?
asked by Annie 
geometry
Find X if B is the midpoint of AC, AB=18 and AC=10x4
asked by Cher 
calc
construct an isoceles triangle with an area of 100. what is the length of the base of the triangle which has the smallest perimeter? Prepping for a test, explanations please
asked by Chelp please asap 
Calc
Solve the equation for x. arcsin(sq. rt.(2x)) = arccos(sq. rt(x))
asked by Erica 
English
1.The new magazines on the kitchen table (are, is) for the hospital waiting room. 2.My list of favorite paintings (include, includes) Starry Night and the Mona Lisa. 3.You and your cousins (are, is) invited to the party. 4.His mother (teach, teaches) math.
asked by Clayton 
Math hw
A corporation has 24 shareholders holding 4140 shares. The founder of the company retains 50 % of the companies shares. The remaining shares are equally divided among his 23 grandchildren. By the company's articles of incorporation, the voting weight for
asked by Maya 
geometry
In triangle DEF, A(2,3) is the midpoint of DE, B(4,1) is the midpoint of EF, and C(6,2) is the midpoint of DF. What are the coordinates of D, E, and F?
asked by billy 
English
Thank you very much! A very last thing. The story deals with (a family..) ... is incorrect? The novel deals with/tells about ... are they both possible?
asked by Franco 
5 th math
what is 1/8= ? Equivalent fraction THIS IS WHAT I GOT ? = 2/16 ,4/32 AND 8/40. CAN YOU PLEASE! CHECK IT FOR ME MS. SUE THANKS!!
asked by pat 
Math
Eric has a straight garden path which is 2' x 15'. He wants to cover it with tiles that are each 1' x 2'.How many ways can he do this?
asked by Claire 
Genetics
Need help figure out the order of GENES. Okey here is the info Bacterial cells of genotype pur pro+ his+ were transduce with P1 bacteriophage grown on bacteria of genotype pur+ pro his. Transductants containing pur+ were selected and tested for the
asked by Amphee 
math
Write the relation for a parabola that satisfies each condition: The graph of y=x^2 is stretched vertically by a factor of 3/2, then translated left 4 units.
asked by ted 
math
Each expression is a perfect square. assuming b is greater than 0, find b. A. y=x^2+bx+49 B. y=x^2+bx+1
asked by ted 
math
What value oc C makes the expression a perfect square? A. x^2+bx+c B. x^2+0.16x+c
asked by ted 
Culinary Arts
HOW MUCH MONEY DO YOU NEED TO START UP A BUSINESS IN CULINARY?
asked by Rhonda 
English
I forgot to include the following sentences. Thank you very much. 1) You can do the exercises either on a foolscap or on the photocopy. 2)I like wearing baggy, comfortable clothes. I usually wear diamondpatterned trousers under a plain zipup sweatshirt.
asked by Franco 
chemistry
calculate the amount of reactants required to produce 150g of H2O in CO2+H2O
asked by Mac 
calc.
The centripetal acceleration of a particle moving in a circle is a=V^2/r where V is the velocity and r is the radius of the circle. Approximate the maximum percent error in measuring the acceleration due to errors of 3% in velocity and 2% in radius.
asked by Nancy 
finance
At age 5, how much would you have to save per month to have $1 million in your account at age 65, if your investment rate was 10% per year? Assume no taxes and compounding on a monthly basis.
asked by bob 
math
How to find lcm using prime factoriazation
asked by Fghl 
math
How do I find the area if all four sides are not even
asked by Anonymous 
Algebra one help please?
Find the missing coeffectient in the equation of the line. 4x+by=10 that passes through (2,3) Could someone explain please.. Thanks.
asked by Allyson 
Math !!!!ASAP!!!!!
How would you write a algerbraic expression depicting the cost of renting a car for (n) days if the daily charge is $24.98 plus 12 cents a mile?
asked by Sumaiya 
english/history
what was the social structure during the european renaissance?
asked by Anonymous 
biology
define PIPCL and indicate which phospholipids it hydrolizes
asked by symone 
english
whats the crossing the threshold for shrek the mivie?
asked by ana 
math
maria wants to buy concert tickets for her mom and dad.one ticket is $48.she is going to split the cost of the tickets with her 5 brothers.how much will she have to pay?
asked by julian 
need help
I have this equation y+x=7 I have to graph my answers to find out what my y is. I have tried everything, and I cannot get my points to cross. Any help would be great.
asked by Laurie 
math
how do i divide 2/5 of an acre into 3 parts
asked by leshei 
Math
Hello I am trying to solve this, and can not figure it out: Can you help? f(b+9) Thanks,
asked by Nikol 
math
How do you square a fraction like 4/3 squared?
asked by jill 
MATHS
12.270.9b=5.6(b+2.8) 12.27  0.9b = 4.6b + 15.68 15.68  12.27 = 4.6b + 0.9b 3.41 = 5.5b 3.41/5.5 = b ? = b
asked by JESSICA 
high school/vocabulary studies
In which year did pocahontas die? A. 1542 b. 1617 c. 1668 d. 1710
asked by Dawn shay 
business
Which three areas do you believe to be most prevalent, or which three areas have the greatest consequence in the workplace?
asked by Anonymous 
math
an old tv is 27 inches the new tv is 42 inches.... how much bigger is the new tv that the old tv...if the odl tv has 27 inches and the new tv has 42 inches
asked by Katherine 
science
what is the meaning of particels and solutions
asked by holly 
spanish
how do you say history in spanish
asked by jay 
math
napoleon 1 was born in 1769 how old was he when he was crowned in france 1804 {equation]
asked by cooper 
Calc
Verify each identity. a) arcsin(x) = arcsin x; abs. val. (x) is less than or equal to 1. b) arccos(x) = pi  arccos x; abs. val. (x) is less than or equal to 1.
asked by Erica 
Math help
A corporation has 30 shareholders holding 2900 shares. The founder of the company retains 50 % of the companies shares. The remaining shares are equally divided among his 29 grandchildren. By the company's articles of incorporation, the voting weight for
asked by Maya 
college
What are the pros and cons of matching clients and clinicians in terms of gender, ethnicity, disability, sexual orientation, or language? Does matching people along those lines ensure common experience and easy bonding?
asked by Tina 
culinary arts
how do you make a budget for culinary if you don't have a figure amount to start out with?
asked by Rhonda 
Business math
254 trade discount series 11/10/11 What is the trade discount and what is the net price of the kennel?
asked by Thomas 
adult education
Learning the skills to achieve your financial long term goals will help you to be a more responsible adult. is Future Tense the correct verb tense in this sentence and is the word achieve the correct verb?
asked by Anonymous 
math
How do you describe the transformations that were already applied and use them to write a relation for a parabola?
asked by ted 
English
Can you check these sentences,please? Thank you very much. 1) How big/large is the population of New York? Are they both correct? 2)He was dismissed last year and he hasn't found a job yet. 3) He's been working for three years as a mechanic at an assembly
asked by Franco 
math
how could I solve for x in this problem (3x+5) to the 7/3 + 22=150
asked by Eneudy,George Washington high school 
math
Andy had 20% fewer marbles than Henry. When Andy gave 80 marbles to Henry, the numbers of marbles he had left was half of what Henry had. How many marbles did Andy have in the begining? Please help me
asked by lesly 
Health care
I need orginal work on this question:• What is one strength you see in the current U.S. health care system? What is one weakness you see? List and describe one of the challenges facing the U.S. health care system.
asked by david d 
math
what fraction strips would you use yto find the sum of 3/8 and 4/8? explain
asked by jordan 
physics
I need to design an object that will sink when placed in a 20gallon tank of room temperature water. After 30 seconds all or part of the object must resurface and remain floating. Closest to 30 seconds wins. I may not use AlkaSeltzer or any similar
asked by SUSU 
Algebra one :)
How do I write these following equations into standard form? Which I know is AX+BY=C 1) 5y6=2x+3 Do I subtract? What do I do? could someone help me? Thanks!!
asked by Allyson 
math
how do you solove I=$440 P=??? R=7% T=4 years
asked by bob 
Literature
Can Shakespeare really transfer successfully to the screen? 500 essay
asked by Hamlet 
physics
Objects that allow bulbs to light when inserted in a circuit
asked by khadijah 
mathematik
wie bestimme ich den drehpunkt von zwei dreiecken?
asked by abonumilian 
math
azul decided to sell cookies to raise money for the needy. she spent $9 at the supermarket for the ingredients. azul then sold 43 cookies at $0.76 each. the profit from the cookies was then donated to the needy. how much did she donate?
asked by julian 
biology
discuss the function of an active adenylate cyclase
asked by symone 
Nuclear Physics
If humans produce a 10mm wavelengh, what is their frequency? Find the energy emitted from humans off of the wavelength given.
asked by Raam 
math
what is the simplest form for the fraction 130 over 220
asked by yasmine 
Math
28/100 = x/360 x=
asked by Please help 
math
subtracting fractions with different denominators. Change answer to simplest form: 3/9  1/4
asked by matthew 
4th grade
do u know how to bulid the alamo ?well me nither so lets find out
asked by samantha 
6th grade
What steps do we use to change 11/2 cups in half?
asked by Marissa 
science
how many grams of water do you have if it takes 3000j to raise the temperature from 21c to 100c
asked by Toni 
history
how did former president nixon pardon impact the united states?
asked by mike 
Math
How can you take 1 away from 19 and leave 20?
asked by Jay 
bio
what is the edge effect? (as part of group living)
asked by Allie 
bio
what is prey flushing?
asked by Allie 
English
1.The clowns and jugglers (has, have) always been my favorite performers. 2.Neither pencils nor an eraser (are, is) permitted. 3.All of the boats in the harbor (belong, belongs) to the village. 4.Either the wall clock or our wristwatches (tell, tells) the
asked by Tracy 
SOCIAL STUDIES
What qualifications are needed for a country to become a world power?
asked by Matt