Questions Asked on
February 22, 2012

chemistry
At a given temperature, you have a mixture of benzene (vapor pressure of pure benzene = 745 torr) and toluene (vapor pressure of pure toluene = 290 torr). The mole fraction of benzene in the vapor above the solution is 0.590. Assuming ideal behavior,
asked by renee 
Physics
In a game of basketball, a forward makes a bounce pass to the center. The ball is thrown with an initial speed of 4.3 m/s at an angle of 15 degrees below the horizontal. It is released 0.80m above the floor. What horizontal distance does the ball cover
asked by Priscilla 
Physics
An astronaut is inside a rocket that is blasting off vertically from the launch pad. You want this rocket to reach the speed of sound (331 m/s) as quickly as possible, but you also do not want the astronaut to black out. Medical tests have shown that
asked by Jen 
science
a =vfvi/t is the equation for calculating the acceleration of an object. Write out the relationship shown in the equation, using words.
asked by Milli 
chem11
Suppose you have a large supply of sponge balls with weights in the centre, so that when the balls are piled on each other the bottom ones are flattened. Sketch a graph that generally describes mass vs. volume for these sponge balls. Also, would weighted
asked by girl 
algebra
A cylinder has a radius of 4x + 2 and a height of 5x + 4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula v = pi r^2 h for the volume of a cylinder.
asked by jared 
Physics
In a water park, people walk a distance of 20 meters up an inclined ramp before getting on a water slide. If the spot from where they start sliding down is located 7 meters above the water’s surface, calculate the angle of the ramp with the horizontal.
asked by Lauren01 
Chemistry
If 150.0 grams of iron at 95.0 degrees Celcius, is placed in an insulated container containing 500.0 grams of water at 25.0 degrees Celcius, and both are allowed to come to the same temperature, what will that temperature be? The specific heat of water is
asked by Chloe 
geometry
Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 30°60°90° triangle and segment JK is the side opposite the 60° angle. What are the approximate coordinates of point L? j(2,7) k(2,2) a(4.9,2)
asked by steve 
Physics
Three identical charges of 2.0 uC are placed at the vertices of an equilateral triangle, 0.15m on a side. Find the net force acting on each angle.
asked by Brandon 
Physics
A train moving at a constant speed on a surface inclined upward at 10.0° with the horizontal travels a distance of 400 meters in 5 seconds. Calculate the vertical velocity component of the train during this time period.
asked by Lauren01 
physics
A "swing" ride at a carnival consists of chairs that are swung in a circle by 12.0 m cables attached to a vertical rotating pole, as the drawing shows. (θ = 61.0°) Suppose the total mass of a chair and its occupant is 196 kg. the tension is 3961.97N Find
asked by Natasha 
Physics
Two water jets are emerging from a vessel at a height of 50 centimeters and 100 centimeters. If their horizontal velocities at the point of ejection are 1 meter/second and 0.5 meters/second respectively, calculate the ratio of their horizontal distances of
asked by Lauren01 
Math
Assume that there are 7 different issues of Newsweek, 8 different issues of Time, and 4 different issues of Sports Illustrated, including the December 1st issue, on the rack. You choose 4 of them at random. What is the probability that you choose at least
asked by victoria 
Physics
A ball is ejected to the right with an unknown horizontal velocity from the top of a pillar that is 50 meters in height. At the exact instant, a carriage moving on rails is also released to the right from the bottom of the pillar. Calculate the velocity
asked by Lauren01 
physics
A ball is released from a tower at a height of 100 meters toward the roof of another tower that is 25 meters high. The horizontal distance between the two towers is 20 meters. With what horizontal velocity should the ball be imparted so that it lands on
asked by Lauren01 
Precalculus
A wheel rolling at a constant speed has a radius of 15 inches and takes 30 seconds to roll 100 feet along the ground. What is its angular velocity? Use 3.14 for pie, and solve to two decimal places.
asked by Liz 
Physics
If the vertical component of velocity for a projectile is 7.3 meters/second, find its hang time. A. 1.9 seconds B. 2.5 seconds C. 5.6 seconds D. 6.7 seconds E. 7.1 seconds
asked by Lauren01 
physics
A point charge with a charge of q1=2.60uC is held stationary at the origin. A second point charge with charge q2=4.70uC moves from the point. x=0.140m, y=0 to the point x=0.230m, y=0.290m How much work is done by the electric force on q2?
asked by Celine 
Chemistry
What mass of oxalic acid dihydrate , H2C2O4•2H2O, is required to prepare 220.0 ml of a 1.28 M solution of oxalic acid ?
asked by Cynthia 
math
Big Sky Mining Company must install $1.5 million of new machinery in its Nevada mine. It can obtain a bak loan for 100% of the purchase price, or it can lease the machinery. Assume the following facts apply: a) The machinery fall s into the MACRS3year
asked by Peaz 
physics
Janet wants to find the spring constant of a given spring, so she hangs the spring vertically and attaches a 0.42 kg mass to the spring's other end. If the spring stretches 4.0 cm from its equilibrium position, what is the spring constant?
asked by McKenzie 
Physics
A Martian rover is moving up a hill sloped at 30.0° with the horizontal. If it has a constant velocity of 1.50 meters/second, calculate its vertical displacement after 21.0 seconds.
asked by Lauren01 
Early American Literature
I had to read an excerpt from Ralph Waldo Emerson's "SelfReliance". My assignment is to answer uestions about it. The uestion I am stumped on is: How important is Emerson's use of the adjective "foolish" in his discussion of consistency?
asked by Whitney 
Chemistry
HELP PLEASE the volume of a sample of oxygen is 200.0ml when the pressure is 3.00atm and the temp is 37.0 C. What is the new temp if the volume increases to 400.0ml and the pressure decreases to 2.000 atm?
asked by Kalei 
Physics
A ball thrown horizontally from an apartment balcony hits the ground in 5 seconds. If the horizontal velocity of the ball is doubled, how long will it take to hit the ground?
asked by Lauren01 
chemistry
At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100 M CaCl2. Once equilibrated, some solid Ca(OH)2 remains undissolved. The solution is filtered and a 20.00 mL sample requires 38.80 mL of 0.0100 M HCl to neutralize it. Calculate the
asked by Anonymous 
Chemistry
In basic solution, H2O2 oxidizes Cr+3 to Cro4^2 and is reduced to OH. What is the balanced equation?
asked by Cynthia 
physics
A rectangle has a length of 2d and a height of d. Each of the following three charges is located at a corner of the rectangle: +q1 (upper left corner), +q2 (lower right corner), and q (lower left corner). The net electric field at the (empty) upper right
asked by Daniel 
physics
A metal rod is 40.125 cm long at 20 °C and 40.148 cm long at 35 °C. calculate the coefficient of linear expansion of the rod for this temperature range.
asked by selena 
Physics
The hypotenuse of a right triangle is 29.0 centimeters. The length of one of its legs is 20.0 centimeters. What is the length of the other leg?
asked by Lauren 
Economics
Consider an economy with the following aggregate demand(AD) and aggregate supply(AS) schedules. These schedules reflect the fact that, prior to the period we're examining, decisions makers entered into contracts and made choices anticipating that the price
asked by Andrew 
statistics
A manufacturer of cell phones has decided that an assembly line will be considered to be operating satisfactorily if less than 0.02% of the phones produced per day are defective. To check the quality of a day's production, the company decides to randomly
asked by Alyssa 
geometry
Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 45°45°90° triangle and segment JK is one of the legs. What are the coordinates of point L?
asked by willy 
geometry
Find the lateral area of a regular hexagonal pyramid with base edge of 10 in and lateral edge of 13 in.
asked by Piggy 
chemistry
Common ion effect;At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100? Common ion effect;At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100 M CaCl2. Once equ? At some other temperature, a solid sample of
asked by Mahi 
physics
A commuter airplane starts from an airport and takes the route shown in the figure below. The plane first flies to city A located 175 km away in a direction 30.0° north of east. Next, it flies for 150 km 20.0° west of north to city B. Finally, the plane
asked by micheal 
chemistry
A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal
asked by renee 
Physics
A bicyclist moving at a constant speed takes 10.0 seconds to travel 500 meters down a path inclined 30.0° downward from the horizontal. What is the vertical velocity of this motion?
asked by Lauren01 
chemistry
Calculate the concentration in ppm if 8 grams of CaCl2 is dissolved in 250 ml of water.
asked by Emmee 
geometry
Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 45°45°90° triangle and segment JK is one of the legs. What are the coordinates of point L?
asked by willy 
history
who is considered the primary author of the declaration of independence
asked by sammie doodles :) 
chemistry
Assuming additive volumes, what will be the molarity of the solution that results when 35.5 mL of 2.00 M HNO3 is added to 214.5 mL of water? 0.284 M
asked by krystal 
chemistry
What is the new pressure of 150ml of a gas that is compressed to 50ml, when the orginal pressure was 3.0atm?
asked by Micki 
Chemistry
The concentration of Pb+2 in a sample of wastewater is to be determined by using gravimetric analysis. To a 100.0mL sample of the wastewater is added an excess of sodium carbonate, forming the insoluable lead(II)carbonate (267.2092 g/mol) according to the
asked by Cynthia 
chemistry
Calculate the mass of solute of hydrogen peroxide in a 35% solution if 450 ml of solution is being used
asked by Emmee 
Chemistry
A student must prepare 2.00 L of 0.100 M Na2CO3 (106 g/mol) Which is the best procedure for preparing this solution ?
asked by Cynthia 
physic
A projectile is fired from the origin (at y = 0s m) a shown in the figure. The initial velocity components are v 0x = 940 m/s and v 0y = 96 m/s. The projectile reaches maximum height at point P, then it falls and strikes the ground at point Q. In Fig. 3.1,
asked by mark 
physics
A child swings on a playground swing. How many times does the child swing through the swing's equilibrium position during the course of 3 period(s) of motion
asked by Kasey 
PreCal (polynomials)
what is the general relationship between the degree of a polynomial function and the number of "bends" or relative maximum and minimum points in the graph?
asked by Lauren 
statistics
a teacher decides to fail 25% of the class.Examination marks are roughly normally distributed w/a mean of 72 & standard deviation of 6. what mark must a student make to pass?
asked by mike 
Physics
If the vertical component of velocity for a projectile is 7.3 meters/second, find its hang time. A. 1.9 seconds B. 2.5 seconds C. 5.6 seconds D. 6.7 seconds E. 7.1 seconds
asked by Lauren01 
Chemistry
How many liters of chlorine gas can be produced when 0.98 L of HCl react with excess O2 at STP?
asked by Billy 
chemistry
Calculate the mass of solute in a 10% salt solution if the mass of the solvent is 350 grams.
asked by Emmee 
Chemistry
Determine the mass of a nonvolatile, nonionizing compound that must be added to 4.68 kg of water to lower the freezing point to 98.70oC. The molar mass of the compound is 50.0 g/mol and the Kf for water is 1.86oC kg/mol. Ignore significant figures for this
asked by renee 
Chemistry
How many liters of chlorine gas can be produced when 0.98 L of HCl react with excess O2 at STP?
asked by Billy 
phyics
For a given launch velocity, at which launch angle does the projectile undergo the maximum horizontal displacement?
asked by Lauren01 
physics
A stone with mass m = 2.3 kg is thrown vertically upward into the air with an initial kinetic energy of 190 J. The drag force acting on the stone throughout its flight is constant, independent of the velocity of the stone, and has a magnitude of 2.3 N.
asked by Katie 
Physics
the charges an coodinates of two points charges located in xy palne are : q1=+3*10^6 C ; x=+3.5 cm . y=+0,5 cm and q2=4*10^ 6 C; x=  2 cm y=+1.5 cm . (a)Find the electric potential at the origin(b)How much work must be done to locate these charges at
asked by Jc 
geometry
Assume triangle JKL is in the first quadrant, with the measure of angle K = 90°. Suppose triangle JKL is a 45°45°90° triangle and segment JK is one of the legs. What are the coordinates of point L? j(2.7) point k(2,2) point and the answers are,
asked by willy 
physics
Joe has a weight of 850 N (about 193 lb) when he is standing on the surface of the Earth. What would his weight (the gravitational force due to the Earth) be if he tripled his distance from the center of the Earth by flying in a spacecraft?
asked by Mina 
statistics
in 1000 tosses of a coin, 560 heads & 440 tails appear. is it reasonable to assume that coin is fair.
asked by ABC 
college physic
Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between
asked by noah 
physics
In an automatic clothes dryer, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.31 m), as the drawing shows. The appliance is designed so that the clothes tumble gently as they dry. This means that when a piece of clothing reaches an
asked by Natasha 
Chemistry
A 30.00mL sample of weak acid is titrated with 0.0167 M NaOH. At the endpoint , it is found the 40.35 mL of titrant was used. What was the concentration of the weak acid ?
asked by Cynthia 
physics
A young boy swings a yoyo horizontally above his head at an angular acceleration of 0.42 rad/s2. If the string is 0.55 m long, what is the tangential acceleration of the yoyo?
asked by Anonymous 
Chemistry
How many liters of chlorine gas can be produced when 0.98 L of HCl react with excess O2 at STP?
asked by Billy 
Economics
Consider an economy with the following aggregate demand(AD) and aggregate supply(AS) schedules. These schedules reflect the fact that, prior to the period we're examining, decisions makers entered into contracts and made choices anticipating that the price
asked by Andrew 
physics
A 0.40kg block slides along a small track with elevated ends and a flat central part. The flat part has a length L = 1.84 m. The curved portions of the track are frictionless, but for the flat part the coefficient of kinetic friction is 0.132. The block
asked by Katie 
Chemistry
How many grames of lithium nitrate LiNO3 (68.9 g/mol) are required to prepare 174.1 mL of a 0.698 MLiNO3 solution ?
asked by Cynthia 
College Chemistry
C6H6(l) + Cl2(g) > C6Cl6(s) + HCl(g) Consider the unbalanced equation above. What is the maximum mass of each of the products that can be formed when 72.5 g of C6H6 and 49.0 g Cl2 react?
asked by Jade 
Math (ASAP)
Carolyn and Kim are selling lemonade this summer. *It costs $0.10 to make each cup of lemonade. *They are going to sell each cup of lemonade for $0.25. What is the least number of cups of lemonade they need to sell in order to collect $10.00 more
asked by Frances 
Macro econ
How might a “perfect” macro equilibrium be affected by (a) a stock market crash; (b) the death of a president; (c) a recession in Canada; (d) a spike in oil prices?
asked by Yokka 
geometry
The perimeter of parallelogram CDEF is 54 centimeters. Find the length of segment FC if segment DE is 5 centimeters longer than segment EF. (Hint: Sketch and label a diagram first.) a)14 b)44 c)16 d)11
asked by steve 
math
Joes electric made 19 customer calls last week and 24 calls this week, How many calls must be made next week in order to maintain an average of at least 21 calls per week for the three week period?
asked by ann 
Physics
A thin condicting spherical shell of outer radius 20cm carries a charge of +3 muC. Sketch (a) magnitude of the electric field E and (b) potential V versus the distance r from the center of the shell.
asked by Jc 
Science
Why is only one egg produced during oogenesis while four sperm are produced during the parallel process of spermatogenesis?
asked by Rebecca 
physics
A girl delivering newspapers covers her route by traveling 10.00 blocks west, 4.00 blocks north, and then 5.00 blocks east.
asked by micheal 
Chemistry
Using the "octet rule" write the Lewis formulas for NF3 and NO3.
asked by Chem 
Honors Physics
A lumberjack (mass = 98 kg) is standing at rest on one end of a floating log (mass = 290 kg) that is also at rest. The lumberjack runs to the other end of the log, attaining a velocity of +3.1 m/s relative to the shore, and then hops onto an identical
asked by Elizabeth 
physics
A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 5.95 m/s. (See Problem 4.9, page 111 for an investigation of how the fish can leave the water at a higher speed that it can swim underwater.) If the salmon is in a stream
asked by micheal 
Chemistry
A student must prepare 2.00 L of 0.100 M Na2CO3 (106 g/mol) Which is the besst procedure for preparing this solution ?
asked by Cynthia 
geometry
Umberto's mother expects an increase of 5% in her current salary of $36,000. What would her new salary be?
asked by Merid 
Physics
1. Explain how the ff. works: a. ultrasound imaging device b. photocopying machine c. microwave oven Thank you so much in advance! :)
asked by Cady 
statistics
Find the number z that satisfies the proportion of the observations in a standard normal distribution less than z is 30%?
asked by Ashley 
Physics
I cant figure this problem out and it's asking for the value and units for the force. Please help me! A 5.25 kg crate is suspended from the end of a short vertical rope of negligible mass. An upward force F(t) is applied to the end of the rope, and the
asked by Cede 
chemistry
How many grams of CaO (56.08) are required for complete reaction with HCl (36.46) in 275 mL of a 5.90 M HCl solution? CaO + 2HCl > CaCl2 + H2O.
asked by Anonymous 
physics
A Chinook (King) salmon (Genus Oncorynchus) can jump out of water with a speed of 5.95 m/s. (See Problem 4.9, page 111 for an investigation of how the fish can leave the water at a higher speed that it can swim underwater.) If the salmon is in a stream
asked by micheal 
algebra
Hi Dear Jiskha team, I have Algebra homework and I will need some help. The homework is following: Suppose you are using a computer to draw a face on a coordinate plane. The eyes are at (–3, 3) and (3, 3). The tip of the nose is at the origin. To make a
asked by Lily 
science
The somatic cells of a dog contain 78 chromosomes. Which of these is false? a) the diploid number is 78 b)the haploid number is 39 c) sperm produced by a dog contains 39 chromosomes d) a cell in metaphase of mitosis contains 78 chromosomes e) a cell in
asked by Rebecca 
math
jasmine bought 26 pieces of fruit.she bought 6 oranges.she bought twice as many apples as oranges,and twice as many oranges as bananas.she also bought some pears.
asked by john 
Finance
The Seneca Maintenance Company currently (that is, as of year 0) pays a common stock dividend of $1.50 per share. Dividends are expected to grow at a rate of 11 percent per year for the next 4 years and then to continue growing thereafter at a rate of 5
asked by Raechelle 
Chemistry
What is the net ionic equation for the reaction that occures between nitrouse acid and strontium hydroxide ?
asked by Cynthia 
economics
Complete the following table for the firm below which is selling its product in a perfectly competitive market and hiring labor in a perfectly competitive labor market. MARGINAL WORKERS TOTAL MARGINAL PRODUCT REVENUE HIRED PRODUCT PRODUCT PRICE PRODUCT 1
asked by Anonymous 
probability
George has a bag of marbles. Inside the bag are 5 red marbles, 3 red marbles, and 2 blue marbles. He draws out two marbles in a row, without replacement. What is the number of outcomes?
asked by Piggy 
physics
The string in the Figure is L = 135.0 cm long and the distance d to the fixed peg P is 94.5 cm. When the ball is released from rest in the position shown, it will swing along the dashed arc. How fast will it be going when it reaches the lowest point in its
asked by Katie 
Physical Science
If a hot iron ball is dropped into 200.0 gram of cooler waterthe water temperature increases by 2.0 celsius and the temperature of the ball decreases by 18.6 celsius. What is the mass?
asked by Anonymous 
Physics
When a 0.50 kgobject is attached to a vertically supported spring, it stretches 0.10 m from the equilibrium position. Find k for the spring.
asked by Noel 
physics
In preparing to shoot an arrow, an archer pulls a bowstring back 0.37 m by exerting a force that increases uniformly from 0 to 246 N. What is the equivalent spring constant of the bow?
asked by Kasey 
physics
A racetrack has the shape of an inverted cone, as the drawing shows. On this surface the cars race in circles that are parallel to the ground, and the surface is at an angle θ = 25°. For a speed of 27 m/s, at what value of the distance d should a driver
asked by Natasha 
chemistry
A water sample taken from the ocean is 36 ppt salt content. What is the mass of salt present in a liter of this ocean water? 36g
asked by krystal 
Physics
a small sphere whose m mass is 1.0 mg carries a charge q of 2.0*10^(8)C. It hangs from a silk thread that makes an angle of 30 degrees with a large charged nonconducting sheet as in figure. Calculate the uniform charge density σ for the sheet
asked by Jc 
Trig (Last URGENT)
sin2x+cosx=0 , [180,180) = 2sinxcosx+cosx=0 = cosx(2sinx+1)=0 cosx=0 x1=cos^1(0) x1=90 x2=36090 x2=270 270 doesn't fit in [180,180) what do I do? Or maybe I did something wrong. sinx=1/2 x1=sin^1(1/2) x1=30 x2=18030 x2=150 is this correct? Please and
asked by Anonymous 
PHYSICS help please
Two small charged balls have a repulsive force of 0.12 N when they are separated by a distance of 0.85 m. The balls are moved closer together, until the repulsive force is 0.60 N. How far apart are they now?
asked by Kayla 
Physical Science
Balance this equation: I2+HNO3 = HIO3+NO2+H2O
asked by Hannah 
math
Assume that the playbook contains 10 passing plays and 12 running plays. The coach randomly selects 8 plays from the playbook. What is the probability that the coach selects at least 3 passing plays and at least 2 running plays?
asked by victoria 
Geometry
Umberto's mother expects an increase 5% increase in her current annual salary of $36,000. What would her new annual salary be?
asked by Merid 
English 3
Would tonight/night be an exact rhyme or a slant rhyme? And is begin/him a slant rhyme? Thanks MC
asked by mysterychicken 
Math
Onethird of a number, decreased by thirtysix, is at most twentytwo. Find the number. Please help me
asked by Lisa 
math
If 9x8=72, then 72 divided by 8 is what number? Explain how you know without actually finding the quotient?
asked by rosemary 
chemistry
25.6 {\rm mL} of ethanol (density =0.789 {\rm g}/{\rm mL}) initially at 8.0^\circ {\rm C} is mixed with 39.5 {\rm mL} of water (density = 1.0 {\rm g}/{\rm mL}) initially at 23.1^\circ {\rm C} in an insulated beaker. Assuming that no heat is lost, what is
asked by MD 
trig
How king i find theta if the formula is cot(2theta) = 7/24?
asked by Isai 
Statistics
In a survey of 302 people, the following data were obtained relating gender to political orientation: Republican (R) Democrat (D) Independent (I) Total Male (M) 85 43 37 165 Femal (F) 43 79 15 137 Total 128 122 52 302 What is the probability that the
asked by Brianna 
physics
A spring with a spring constant of 1.33 102 N/m is attached to a 1.6 kg mass and then set in motion. (a) What is the period of the massspring system? (b) What is the frequency of the vibration?
asked by Kasey 
biology
you are investigating a crime. someone has died as a result of a gun shot from far away. The suspect claims that it couldn't have been him because he was with the victim at the time of the murder. they were in a restaurant eating pasta. how could you test
asked by sarry 
BIOLOGY
The doubling time of a type of bacteria is 35 minutes. If every bacterium reproduces, then after 35 minutes a population of 64 bacteria will have grown approximately to what size?
asked by STORMY 
MAT 116
Find the slopeintercept equation of the line that has the given characteristics. Slope 8.7 and yintercept (0,6)
asked by May 
Math/Calculus.
Suppose (x^2)*(e^(2y))= ln(xy) Find dy/dx by implicit differentiation.
asked by Bob 
physics
how much force is needed to accelerate a 1800 kg car 3m/s 2
asked by Orianna 
calculus
1.) values of f(t) are given in the following table: t 0 2 4 6 8 10 f(t) 137 112 88 68 49 34 a. Does this function appear to have a positive or negative first derivative? Second derivative? * I think both derivatives are negative b. Estimate (f prime) f^'
asked by JJ 
college physic
A solid cylindrical rod made from a center cylinder of lead and an outer concentric jacket of copper.Except for its ends,the rod is insulated,so that the loss of heat from the curved surface is negligible.When a temperature difference is maintained between
asked by noah 
Math
Tanya had $1.19 in coins. None of the coins were dollars or 50cent pieces. Josie asked Tanya for change for a dollar, but she did not have the correct change. Which coins did Tanya have
asked by Elaina 
CHEM
Why are gamma rays generally not shown when writing nuclear equations ?
asked by TJ 
geometry
The surface area to volume ratio of a cube is 2 to 5. Find the length of each side.
asked by Piggy 
pysics 1
You ride your bike along a straight line from your house to a store 1030 m away. On your way back, you stop at a friend's house which is halfway between your house and the store. a) What is your displacement? Tries 0/5 b) What is the total distance
asked by jelena pleeease help 
algebra
you are planning a rectangular dining pavilion. its length is three times its width. you want a stone walkway that is 3 ft wide around the walkway. what should the dimensions of the pavilion be?
asked by Anonymous 
Math
heather has $2.50 in nickels, dimes, and quarters. she has 3 times as many nickels as dimes and four times as many quaters as dimes
asked by pete 
chemistry
A solution is made by adding 0.100 mole of ethyl ether to 0.841 mole of ethyl alcohol. If the vapor pressure of ethyl ether and ethyl alcohol at 20oC are 375 torr and 20.0 torr, respectively, the vapor pressure of the solution at 20oC (assuming ideal
asked by renee 
Trig Help
Given that cos2x=7/12 and "270 equal or < 2x equal or < 360", find sinx. Please help and Thank you
asked by Anonymous 
chemistry
Calculate the mass of solvent that would contain 3.0 mg of a drug if the concentration was 3.5%
asked by Emmee 
Chemistry
Silver(I) nitrate and sodium sulfate react to form silver(I) sulfate and sodium nitrate. Suppose 45.98 mL of 0.060 M silver(I) nitrate solution and 26.64 mL of 0.10 M sodium sulfate solution are mixed. What is the maximum number of grams of silver(I)
asked by Jade 
Calculus
An object moves in a straight line. Its velocity, in m/s, at time t is v(t)=4t^2/(4+t^3), t>(greater or equal)0. Determine the maximum and minimum velocities over time interval 1
asked by Jake 
Chemistry
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 °C, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 18.9 g of biphenyl in 26.4 g of benzene?
asked by Josh 
business
Which should NOT be included as a heading in a chronological résumé? “Experience” if you only have one item to list under this heading “Education and Experience”, because these two items should be listed separately “Honors and Awards”,
asked by Anonymous 
PHYSICS
A free electron and a free proton are exactly 1.0 com apart. Find the magnitude and direction of (a) the acceleration of the proton and (b) the acceleration of the electron.
asked by Kayla 
principles of physics
Calculate the change in potential energy of 7.8 million kg of water dropping 50 m over Niagara Falls.
asked by britches 
physics
A hotwater heater is operated by solar power. If the solar collector has an area of 5.8 m2 and the power delivered by sunlight is 550 W/m2, how long will it take to increase the temperature of 1.0 m3 of water from 24°C to 59°C?
asked by halley 
Physics
A car with a mass of 1380 kg is moving around a curve with a radius of 50 m at a constant speed of 25 m/s (about 56 MPH). (a) What is the centripetal acceleration of the car? 1 m/s2 (b) What is the magnitude of the force required to produce this
asked by Mina 
physics
A hot air balloon is hovering at an altitude of 6000 meters. The pilot decides that it is time to descend and turns off the balloon's burners. Once the balloon reaches the ground, the gas inside the balloon occupies 980 m^3 and is at atmospheric pressure.
asked by RENEE 
ECONOMICS
Grocery stores and gasoline stations in a large city would appear to be examples of competitive markets: There are numerous relatively small sellers, each seller is a pricetaker, and the products are quite similar. a. How could we argue that these markets
asked by YOULANDA 
Business Math
Model the data using an exponential function f(x) = Ab^x. x ,0 ,1 ,2 f(x) ,800 ,480 ,288 Like 800480=320 and 480288=192 How do I find the exponential form? Thank you.
asked by Angel 
biology tutor on jiskha
i post my biology questions here today and few days ago no teacher reply. there not any biology tutor on here?
asked by Shreya 
To Ramon  English
I removed your latest post because it included too much personal information about you. Do not post the name of your school or your last name. Please see my questions about your question below.
asked by Ms. Sue 
prealgebra
how do you solve this problem and can you help me please: wholesale price: $13 and markup percent: 110% can u help please
asked by vick 
Psychology
The means of travel within and between neurons is different becuase: a. eletrial signals move impulses within the neuron, while chemical signals move the impulses between neurons. b. chemical signals move the impulses within the neuron, while electrical
asked by Deb 
chemistry
How many milliliters of 0.729 M NaOH are needed to prepare 150.0 mL of 0.122 M NaOH? 25.1 mL
asked by krystal 
trig
please help me with some questions I skipped on a review for our test coming up? solve 57 on the interval 0 greater than or equal to x less than or equal to 2pi. 5. sin x=sqrt3/2 6. cos x=1/2 7. tan x=0  14. what is the exact value of
asked by BreAnne 
Science/geology
Why does the Red River flow north, and the Mississippi River flow south??
asked by Lee 
chemistry
A sample of a gas in a ridge container at 30.0 c has a volume of 2.00L. If its temp increased to 40.0 C What will the new volume be?
asked by levi 
Physics
A satellite moves on a circular earth orbit that has a radius of 6.4 106 m. A model airplane is flying on a 23m guideline in a horizontal circle. The guideline is parallel to the ground. Find the speed of the plane such that the plane and the satellite
asked by Natasha 
PreCal (polynomials)
How does the degree of a polynomial function affect the end behavior?
asked by Lauren 
consumer math
6. These items were on Cyril's last credit card statement. Last Balance Payment Periodic Rate New Charges $567.18 $120.00 1.56% $45.17 What is his new balance? (Points : 1)
asked by josh 
english
Hi is my thesis statement clear in the following paragraph, if nto how can i make it clearer. Basically I want to show that music programs can positively impact a students education, so music programs shouldn't be cut. Also should I keep out all the
asked by jon 
physics
A golfer takes two putts to get his ball into the hole once he is on the green. The first putt displaces the ball 8.10 m east, the second 6.00 m south. What displacement would have been needed to get the ball into the hole on the first putt?
asked by micheal 
Chemistry
How do you draw a lewis dot structure of s3o
asked by Chem 
US HISTORY
what laws were passed because of temperance movement. Or what did the government do because of the temperance movement (Prohibition era). Thanks!
asked by DAN 
College Geology
assume that a particular radioactiveisotope has a halflife of 100 million years. Also assume that the parent isotope is incorporated into the minerals found in igneous rocks and that the only daughter atoms in the rock formed from the decay of the parent
asked by Rob 
History
What was the nonimportation movement? Is this right? What does no taxation without representation mean? We will only pay taxes that our representatives in a House or Assembly [or similar body] have approved and passed into a law
asked by Cara 
probability
There are 12 CD's in a bag  6 rap music, 3 country music, and 3 rock music. Two CD's are selected from the bag. The first CD is not replaced before making the second selection. What is the total number of possible out outcomes?
asked by Piggy 
physics
Find the length of a pendulum that oscillates with a frequency of 0.19 Hz
asked by Kasey 
Physics
A 0.495kg mass is attached to a horizontal spring with k = 108 N/m. The mass slides across a frictionless surface. The spring is stretched 33.3 cm from equilibrium, and then the mass is released from rest. Find the speed of the mass when it has moved 4.79
asked by Bradley 
Science
what fraction of chlorine36 remains undecayed agter 200,00 years?
asked by Nick Ross 
Math
The table shows the total number of emails that the Wright family received this morning Member Mr.Wright Mrs.Wright Cole Trinity Emails 7 8 3 3 Mr.Wright=7 emails Mrs.Wright=8 emails Cole=3 emails Trinity=3 emails If the family receives 7 more emails,which
asked by J.C. 
math
Three pennies are tossed into the air.What is the probability they will match either headsheadsheads or tailstailstails when they land?
asked by john 
Finance
Piedmont Enterprises currently pays a dividend (D0) of $1 per share. This dividend is expected to grow at a 20 percent per year rate for the next 2 years, after which it is expected to grow at 6 percent per year for the foreseeable future. If you require a
asked by Raechelle 
physics
A centrifuge is a device in which a small container of material is rotated at a high speed on a circular path. Such a device is used in medical laboratories, for instance, to cause the more dense red blood cells to settle through the less dense blood serum
asked by Natasha 
algebra
if the fence around a rectangular field is 3000 feet,write a relationship for the length l of the field and its w.
asked by Anonymous 
chemestry
Calculate [OH^  ] for strong base solution: 14.0 mL of 1.20×10−2 M Ca(OH)_2 diluted to 430.0 mL.
asked by chris 
Chemistry
N2(g) + O2(g) > N2O5(g) (a) Consider the unbalanced equation above. What is the maximum mass of N2O5 that can be produced when 43.0 g of N2 and 43.5 g O2 react?
asked by Jade 
Math
1. Start with an odd number, e.g. 3. Then the square of 3 can be expressed as the sum of two consecutive numbers, i.e. 32 = 9 = 4 + 5. Therefore the Pythagorean Triples are {3, 4, 5} since 32 + 42 = 52. Generate another set of Pythagorean Triples starting
asked by Kevin 
math
sam spent a total of 5 2/3 hours doing homework. Julia spent 5 5/6 hours doing homework. who spent more time on homework this week? explain
asked by marshalena 
geometry
leg xy of the right triangle is twice as long as leg yz. if the area of the triangle is 36cm to the second power what is the length icm of xy?
asked by demetra 
college physic
Liquid helium is stored at its boiling point temperature of 4.2K in a shperical container(r=0.30m).The container is a perfect blackbody radiator.The container is surrounede by a sherical shield whose temperature is 77k.A vacuum exists in the space between
asked by noah 
Math
How long will it take for the population of a certain country to double if its annual growth rate is 3.9%
asked by Anonymous 
math
Louis and his family are going to the zoo. The price of a bus ticket is $1.00, but the family has some coupons. If Louis pays full price, his wife pays 2/3 of the regular price, and the two children pay 1/2 of the regular price. How much will it cost for
asked by Anonymous 
physics
The driver of a 1300 kg car, initially traveling at 10.1 m/s, applies the brakes, bringing the car to rest in a distance of 16.5 m. (a) Find the net work done on the car. (b) Find the magnitude and direction of the force that does this work. (Assume this
asked by Henry 
English
Could you please tell me if the following verbs can take the ing form in the examples below? I included a sentence I need to write in an email. 1) I'm smelling the perfume of the flowers. I'm testing a red wine. 2) I'm hearing him coming (I think you can
asked by Henry2 
PreCal (polynomials)
Look at the right end behavior of each function )\(as x > infinitey). what about the function determines whether its graph wil point up or down on the righthand side?
asked by Lauren 
physics
When only the front wheels of an automobile are on a platform scale, the scale balances at 7.8 kN; when only the rear wheels are on the scale, it balances at 5.5 kN. What is the weight of the automobile? How far is its center of mass behind the front axle?
asked by sara 
math
Nathan owes Michael $5.00.Nate expressed how much he owes as an integer.Michael expressed how much Nate owes him as an integer.What do the two integers have in common?
asked by bebe 
math
sam spent a total of 5 2/3 hours doing homework. Julia spent 5 5/6 hours doing homework. who spent more time on homework this week?
asked by marshalena 
Algebra
So I'm working with polynomials: Find the value of x in the geometric shape. Area=144ð The radius is: (x+4)cm PLEASE HELP.D:
asked by Poop. 
Biology Lab
HOw much Nacl (MW= 58.44g) would you need to !@#$%^& to a solution if you wanted to make 100 ,mL of 4* 10 to the 3 M NaCl?
asked by Amber 
highschool bio
Cells are specialized in structure to match their function. Compare cell specialization in gametes with other examples of cell specialization.
asked by joe 
physics
How many joules of potential energy does a 1.5 kg book gain when it is elevated 4.2 m?
asked by britches 
statistics
Varsity team try out. Assume the distribution of heights to be normal w/a mean of 64inches & standard deviation of 4 inches. only 15 students passed. how many students joined the try out?
asked by mike 
English
Writeacher,I have a question on the sonnet I rephrased yesterday. I hope you can check it. "And summer's green all girded up in sheaves, Borne on the bier with white and bristly beard..." He sees the summer's crops tied (up is possible) in bales and taken
asked by Henry2 
business
A job application letter is effective in convincing the reader that an applicant is knowledgeable of the company by? a.)providing relevant evidence from what the applicant has done in the past to support claims that this person can do the job.
asked by Anonymous 
geography
1. What country is due south of Egypt? Sudan 2. Is Phnom Penh or Hanoi the capital of Vietnam? Hanoi 3. Besides the Soviet Union, what other country borders the world's largest lake? Iran 4. What river runs west to east across the northern part of Italy?
asked by Reed 
business
Which of the following should you NOT do in the close of a job interview AGive a final explanation for a weakness that you have BShow enthusiasm for the job CSummarize your accomplishments and strengths Dsmile and relax the answer is A the answer is A
asked by Anonymous 
horizontal displacement physics
how do we find horizontal displacement in physics?
asked by lou 
math
Susie drew a triangle with angles that measure 47, 43. and 90 degrees. What type of triangle did she draw?
asked by Xavier 
English
Could you please check if everything is OK? Thank you very much. 3) Put the following into indirect speech using a suitable reporting verb (10) 1) “Would you like to have dinner with me on Saturday?”, he said to me. He invited me to have dinner ... 2)
asked by Henry2 
geometry
The surface area and volume of a cube is the same numeric value. Calculate the side length.
asked by Piggy 
pre algerbra
direction use the given info to find the new amount wholesale price $13 and mark up percent 110% can you help me solve this please
asked by steph 
math
Factor completely: 36t^2 + 49  84t
asked by Lisa 
Physics
suppose that the charge on the electron and proton did not have the same magnitude but instead differed by one part in 10^10. What would be the net charge on a 1.0 kg sample of helium gas?
asked by Luke 
statistics
Assume that IQ scores are normally distributed with a mean of 100 and a standard deviation of 15. Assume 1000 freshmen took the test.
asked by Anonymous 
chemistry
How many liters of 0.101 m NaCl contains 1.70 mol of this salt? Assume this solvent is H2O. Answer in units of L I do not understand what i am looking for or how to solve for it. Steps would be appreciated.
asked by kelly 
MATH
√5sec²x2secx=5 i have to solve this equation on the interval [0, 2π).
asked by Katie 
Math
Simplify each expression. Write answers using positive exponents. a. (7x^2y^3)(2xy) b. (a^2b^3)^1(a^2b^3) c.(4m^3)^2
asked by Amanda 
Geometry
Use a paragraph proof to prove: if two lines and a transversal form corresponding angles that are congruent, then the two lines are parallel.
asked by Anonymous 
English
Could you please check if all the sentences are correct? Thank you. 1) To start with, I’ll have a tomato salad. I couldn’t help crying. I’m worried about Brian’s getting low marks at school. 2) He admitted eating all the biscuits. I couldn’t do
asked by Henry2 
math
The 2000 Paralympics (Parallel Olympics) were held in Sydney, Australia. Ticket sales for all events totaled over 1.11 × 106. Of the total ticket sales, 8.84 × 105 were sold as day passes, and 2.24 × 105 were sold as reserve seating for the opening and
asked by sanyu 
Physics(2)
A crane is holding a bloc of metal of 10 000kg. If the crane's arm weights 1000kg and is 10,0m long, what is the tension in cable a and how big is the force exerted on the pivot of the cranes arm. the cable passes through the top of the cranes arm and then
asked by Raf 
math
factor the trinomial. 1. m^27m30 2. z^2+65z+1000 3.x^245x+450 4.d^233d280
asked by Janae 
ENGLISH ESSAY
Could you plz help me to check if these two essays have thesis and thesis development? ESSAY 1:There has been much discussion over the maximum population capacity of our world today. This paper analyzes how agroecology has been a major benefit to society
asked by Tianna 
Statistics
Find tvalue for sample size n = 16 and area to the right 0.10
asked by Tina 
Algebra 1
1. m^2  7m  30 2. z^2 + 65z + 1000 3.x^2  45x + 450 4.d^2  33 d  280
asked by Janae 
computers
what is a link from one thing to another used to enhance usability? I say interface
asked by Elizabeth 
computers
what would be redundant if added to the content of an email? I say purpose of email
asked by Elizabeth 
math
Ayita has the coupon shown below Buy 10 or more quarts of paint and take $8 off your total order Ayita will buy 12 quarts of paint. Each quart of paint cost $10.95. Which number sentence can be used to find how much Ayita will pay for the paint if she uses
asked by Colton 
hcs/341
What are five recruitment strategies or methods..need to create a matrix. thanks..
asked by antrice 
Geometry
Shelly, Susan, and Samantha are all working at an amusement park for the summer. The manager finds out that one of them left the key in the door to the security office. When he asked them who did it, they replied: Shelly: Samantha did it. Susan: Shelly did
asked by Anonymous 
English
What is the past tense of run
asked by Jim 
APUSH help (ASAP)
Explain the rise of the republicans and the international challenges faced following world war I?
asked by Sonja 
Algebra
Can you help me set this problem? it is as follows, "Find three consecutive odd integers such that their sum is 5 more than four times the larger."
asked by jubillee 
Living ENvironment
In a hydrolysis reaction (enzyme) the bonds in substrate are weakened right always
asked by tracy 
business
Which of the following is NOT recommended when considering or accepting a job offer A Make your acceptance contingent on a written offer. B Accept the position immediately if you are offered the job at the end of the job interview CNotify other
asked by Anonymous 
physical science
find the mass of sodium chloride formed when 6.9g of sodium burns in a gas jar filled with chlorine gas.
asked by winston 
social study
What are some major turning point in vietnamese history leading up to world war 2
asked by Alexis 
Calculus
a ladder is 20 feet long and its top is slidding at a constant rate of 2 feet per second. How fast is the bottom of the ladder moving along the ground when the bottom is 16 feet from the wall?
asked by Stacy 
Math
Simplify each expression. Write answers in standard form. a. (4d6)(3d) b. 5g(g^22g+1) c. (2q^2+q+3)5(q^2+2q1)
asked by Amanda 
chemistry
a 0.25g sample of a liquid was vaporized at 100 degree celcius. the vapor occupied 125ml under a presure of 0.96 atm. what is the molecular weight of the liquid?
asked by Tam 
statistics
Sample with size n = 100 has mean = 30. Assuming the population standard deviation is 8, construct 95% confidence interval for population mean.
asked by Tina 
chemistry
If 19.7 g of CaCl2 are present in 200 mL of aqueous solution, what is the concentration in terms of the following? a. molarity 100 M CaCl2 b. weight/volume percent 0.1 % (w/v) c. parts per thousand 100 ppt d. parts per million 10E4 ppm e. parts per billion
asked by krystal 
History
Why did Jame Otis oppose writ of assistance?
asked by Samantha 
English
Here is the second exercise I'd like you to check. Thank you, Writeacher. 1.I am used to (read) __(reading)________till late. 2. The manager would like (speak) _(to speak)_________ to his secretary. 3. I remember (go) ___going_______ to primary school by
asked by Henry 
business
The interviewer wants to know why you got a D in all your English classes until this year, when you got a B. Your best response is A “I had problems writing and never thought it was important. Then, I realized that it is important, so I got myself a
asked by Anonymous 
business
After the interview but before the job offer, it is NOT appropriate to A phone the company you interviewed with. Bsend a followup letter. C inquire about the salary and benefits. D respond to an email query from the employer the answer is A OR B
asked by Anonymous 
geometry
The surface area of a right rectangular prism is 112 sq units. The height is twice the width. The length is 4 units more than the height . Find the volume.
asked by Piggy 
division facts
If 44/4=11, what is 44/11? Explain?
asked by rosemary 
Math
In a triangle the two larger angles differ by 10 degree. The smaller angle is 50 degree less than the largest angle. Find the measure of each angle. Just searching help on how to set it up.
asked by Scott 
US HISTORY
describe the Indian Removal Act of 1830
asked by sammie doodles :) 
business
Today many employers expect interviewees to do more than just answer standard questions including all of the following except .defer to the hiring company to take control of the interview process B.provide samples of work they woukd likey do in the job.
asked by Anonymous 
Animal Behavior
If someone could give me an example of when developmental homeostasis works in an animal, and when it doesn't. Thanks!!!
asked by Jessica 
Math
How to Generate Pythagorean Triples using an Odd Number 1. Start with an odd number, e.g. 3. Then the square of 3 can be expressed as the sum of two consecutive numbers, i.e. 32 = 9 = 4 + 5. Therefore the Pythagorean Triples are {3, 4, 5} since 32 + 42 =
asked by Kevin 
Math
Landon is working one plans for a 12acre housing development. A park will cover 2 1/2 acres, and paved areas will take 1 3/4 acres. How many acres are left for home sites??? Please show work, for how you did it
asked by Madelyn Santiago 
International Buisness
The marketing department is asked to formulate a strategy for disseminating product information on new drug Tigason. As the marketing manager what do you recommend?
asked by Maggie 
math
in a survey of 375 people, one fifth of them chose pecan pie as their favorite dessert. To find the number of people who chose pecan pie as their favorite, you can multiply 375 by ____.
asked by aryah 
accounting
You notice that your accounts receivable days have doubled in the first six months of this year. Do you give the A/R Director a bonus or put him/her on probation? Why? Explain fully what questions you would ask the Director about the A/R and why it has
asked by christine 
chemistry
Calculate the molarity of each. a. 1.50 mole of NaCl in 8.00 L of solution 0.188 M NaCl b. 270 mg of NaCl in 3.00 mL of solution 90 M NaCl
asked by krystal 
statistics
Sample with size n = 100 has mean = 30. Assuming the population standard deviation is 8, construct 95% confidence interval for population mean.
asked by Tina 
English
Please help me create a fordable about the compassion of adverbs by using 10 regular and 5 irregular adverbs. I have to pass this assignment on Feb. 23, 2012. Thank you Ramon Christopher
asked by Ramon Christopher 
computers
what is it called when websites that look like legitimate sites are used to collect private information for malicious purposes? I say phishing
asked by Elizabeth 
Organic Chemistry
Is there a systematic way to get all the boat conformations? I can get all of the chair conformation for, say, cyclohexanol, but can't figure out the boat conformations.
asked by Vy 
Math
Simplify each expression. Write answers using positive exponents. a. (7x^2y^3)(2xy) b. (a^2b^3)^1(a^2b^3) c.(4m^3)^2
asked by Amanda 
Math
Mr.Zhao sells lemons Lemons 1 for $1 or 12 for $6 Joseph wants to buy 27 lemons from Mr.Zhao. What is the least amount of money Joseph should have to pay him? A.$27 B.$24 C.$15 D.$12 C?
asked by J.C. 
math
Mrs.Chavez is on an 8kilometer hike. She wants to reach the halfway point of the hike in 3 hours. She plans to hike 1.5 kilometers the first hour and 1.5 kilometers the second hour. What could she do to determine how far she should hike in the third hour?
asked by Colton 
Physics
Consider a point charge with q= 1.5*10^8 C. (a) what is the radius of an equpotential surface having a potential of 30 V?(b)Are surfaces whose potential differ by a constant amount (1,0 V) evenly spaced in radius?
asked by Jc 
Trigonometry (Help and Check)
Evaluate (exact answers): a) sin^1(cos30) Need help. What do I do? b) sin[(cos^1((sqrt2)/(2)))+[(sin^1((sqrt2)/(2)))] = sin(45+45) = sin90 = 1 Is this correct? c) cos(arctan5/7) = 7/(sqrt74) = (7sqrt74)/74 Is this correct? Please and Thank you!
asked by Anonymous 
Trig Help (URGENT)
Solve over the indicated interval: 2sin^2x=sqrt2sinx , [180,180) don't how to get x by itself please help and thank you
asked by Anonymous 
math
An adult concert ticket cost $25 less than twice a chile's ticket. What is the expression that it represents the price of an adult ticket?
asked by gary 
math
Joe needed two boards measuring 1 foot 9 inches and 3 feet 5 inches to complete his project. He wanted to find a total of the amount of wood he would need to buy? How would I simplify this?
asked by Rosie 
geometry
How would you complete the table? number of sides: 3, 4, 5, 6 measure of angle: 60, 90, B, C sum of angle measures:180, A, 540, D a:A = 120º; B = 360º; C = 180º; D = 1080º b:A = 210º; B = 180º; C = 270º; D = 720º c:A = 360º; B = 108º; C = 120º;
asked by steve 
Physics
A wheel 1 meter in diameter is rotating at 100 revolutions per minute without slipping along a level stretch of road and passes mile marker 0 at 12:00 noon. it continues past mile marker 0 for 10 minutes and then has a period of angular acceleration of
asked by Maria 
business
Which is recommended when negotiating for salary and benefits A Counter a low offer from the company by stating that you would find it difficult to accept the job under the terms offered. B Ask for what you need to make a comfortable living, regardless
asked by Anonymous 
pysics 1
You are walking on a moving walkway in the airport. The length of the walkway is 40.1 m. If your velocity relative to the walkway is 2.41 m/s, and the walkway moves with a velocity of 1.59 m/s, how long will it take you to reach the other end of the
asked by jelena pleeease help 
trig
John weighed five rocks two at a time in all possible ways. The weights in pound are 30,38,41,42,45,46,50,53,58,61. How much does each rock weigh?
asked by pc 
education
What types of hardware are available in K12 classrooms today? Which ones would you consider essential for students' learning? Explain.
asked by danie 
physics
When measuring kinetic friction, why is it necessary to move at a constant velocity?
asked by Anonymous 
statistics
The data listed below shows the number of hospitals in each state, using the data, complete a frequency table using 8 classes. all the data has been ordered from smallest to largest.
asked by Justin 
statistics
The data listed below shows the number of hospitals in each state, using the data, complete a frequency table using 8 classes. all the data has been ordered from smallest to largest.
asked by Justin 
business
A job application letter is effective in convincing the reader that an applicant is knowledgeable of the company by? a.)providing relevant evidence from what the applicant has done in the past to support claims that this person can do the job.
asked by Anonymous 
physics
Einstein saud that the amount of energy in matter is given by E=mC^2 where if m is in kilograms and c=3x10^8 which is the speed of light. The energy is E is given in Joules. Assuming that is takes an average of 1x10^11 Joules to heat your house during the
asked by sarah 
english
Hi, I have to compare the story Young Goodman Brown to some modern day song or movie or television show (some form of entertainment). Do you have any ideas I could use?
asked by jon 
calculus. please helppp!!
1.) values of f(t) are given in the following table: t 0 2 4 6 8 10 f(t) 137 112 88 68 49 34 Estimate (f prime) f^' (2) and f^' (8) Please show work so I can understand. I'm really stuck. if the table comes out messed up, the values are: (0, 137) (2, 112)
asked by JJ 
math
the teachers and parents will make 4 large pots of soup for dinner. about how many servings willeach pot need to contain to feed 85 students,4 teachers,and 6parents?
asked by esha 
math
use I and a dot to show the number 52
asked by chris 
Thermodynamics
Consider a system consisting of two glass bulbs, each with volume V, and each containing n moles of gas. Bulb A contains nA moles of A and bulb B contains nB moles of B (a different gas), nA = nB. The bulbs are connected by a closed stopcock. The stopcock
asked by Becky 
algebra
A bump on a DVD needs to be between 0.45 and 0.55 micron wide and 0.95 and 0.99 micron high. write two absolute value inequalities describing the width (x) and height (y) of the bump.
asked by kelly 
TO MS.SUE
DECREED MEANS TO CAMMAND.IMPLORE MEANS TO BEG.NOW IM IMPLORING YOU FOR YUOR HELP! I DON'T GET THE QUESTION!
asked by Celest 
Chemistry
I think I have the answer to this question but need some help! Display the final answer in correct scientific notation and show correct number of significant figures in the final answer: 6.0223010000 x 1024 x 2.222090001 x 1030
asked by Susan 
Organic Chemistry
Do these two names refer to the same compound: Nbutylcyclohexylamine vs Nbutylcyclohexanamine?
asked by Vy 
to mRS.SUE
BUT I DON'T UNDERDSTAND HOW YOU EXPLAIN IT!SO FOR MATH,THE ANSWER IS 20?HOW DID YOU GET THAT ANSWER?I NEED AN EXPLANATION!
asked by Celest 
chemistry
a 0.25g sample of a liquid was vaporized at 100 degree celcius. The vapor occupied 125 ml under a pressure of 0.96 atm. What is the molecular weight of the liquid?
asked by Tam 
Math
State the slope and y intercept for the graph of each equation. y=x+2
asked by Cassie 
Living ENvironment
Where is the Enzyme/substrate complex
asked by alex 
math
identify the property that it shown. 2*8*5=2*5*8
asked by Sonia 
computers
:0 is an example of internet slang. I say true
asked by Elizabeth 
to ms. sue
THANK YOU! NOW I GET IT.TELL ME, ARE YOU A TEACHER?WHAT SCHOOL DO TO TEACH?YOU REALLY HAVE THE PATOENT BECAUSE I ASKED YOU A MILLION TIMES AND YOU STILL TEND TO HELP ME!!!
asked by Celest 
English
Could you please check these few sentences? Thank you 1) I've been a Tim subscriber for two years. I top up my mobile every two weeks. I recharge it every evening. 2) I keep in touch with my friends by sending them email and by chatting on Facebook. 3) I
asked by Henry2 
BUSINESS
The best response to the question Why should I hire you is to A explain your financial situation. Badmit that you probably are not the best person for the job. C explain your strengths for this job D list the relatives and friends who hope you get this
asked by Anonymous 
Math
The table shows the total number of emails that the Wright family received this morning Member Mr.Wright Mrs.Wright Cole Trinity Emails 7 8 3 3 Mr.Wright=7 emails Mrs.Wright=8 emails Cole=3 emails Trinity=3 emails If the family receives 7 more emails,which
asked by J.C. 
math
I have a rectangle w/ 20 boxes in it what would 1/5 of the boxes be?
asked by Bob 
English  Ms. Sue
For my slideshow I had wrote down   Jake draws away from everyone. But corrected it to withdraw, so would that be like  Jake withdraws away from everyone, or Jake withdraws from everyone? I also wrote   to act positive and move on, but she corrected
asked by Aaron 
pysics 1
At the end of the spring term, a high school physics class celebrates by shooting a bundle of exam papers into the town landfill with a homemade catapult. They aim for a point that is 31.1 m away and at the same height from which the catapult releases the
asked by jelena pleeease help 
Physics
How do you calculate distance with an angular acceleration and a time?
asked by Anonymous 
biology
Discuss the concept of species What ways do modern taxonomists use to distinguish different species?
asked by sharday 
biology what is DNA
why is DNA replication necessary to life?
asked by Shreya 
Calculus
An object moves in a straight line. Its velocity, in m/s, at time t is v(t)=4t^2/(4+t^3), t>(greater or equal)0. Determine the maximum and minimum velocities over time interval 1
asked by Jake 
physics
A hydraulic jack is used to move an 8896 Newton car. If the area of the output piston is 8 times that of the input piston, how much force is required to lift the car?
asked by RENEE 
US HISTORY
Where did Prohibition Strongly take place and what were the major developments
asked by DAN 
physics
Use the fact that a typical proton is spherical and has a diameter of 1x10^13 cm and a mass of 1.67x10^24 grams, compute density of a proton.
asked by sarah 
Essay Check
This is a paragraph in my essay. Please tell me if this makes any sense. (basically I want to save money by earning a quality and cheap education so I can save money to be able to open a free clinic to help people) >>>>>>>>>>>>>>>> By attaining education
asked by Hero 
physics
Given x(t) = xm cos 2ðt/T for a spring with constant k and attached mass m sketch as a function of t, (a) the displacement x, (b) the velocity v, (c) the acceleration.
asked by Noel 
algebra
A typical DVD can store between 137.9 and 142.1 minutes of data before it is considered full. write an absolute value inequality describing the minutes of data (w) a full DVD will hold.
asked by kelly 
Physics
Going at an angular velocity of 5.2 rad/sec, how far in kilometers will a car have traveled in 10 minutes? Do I just convert minutes to seconds and multiply or...?
asked by Maria 
Biology
Are saltwater gills different from freshwater gills? Please explain to me
asked by Rueangsit 
Math
10x >2(7x+3)+2 Please help me solve this and show your work thanks
asked by Haylie 
Medical Language
How will Medical Language be helpful in the future?
asked by Ashanda 
math
What is the rule for this sequence? 72 , 63 , 54 , 45 , 36 Each number in the sequence is 10 less than the previous number. Each number in the sequence is 9 less than the previous number. The sequence decreases by multiples of 9. First by 9, then 18, then
asked by Kylie 
chemistry
Potassium iodide (KI) is used to treat iodine deficiencies. What is the %(w/v) of a 55 mL solution containing 1.3 g of KI? 0.024
asked by krystal 
English
Can you help me complete the sentence? I'm worried about Brian's +ing Thank you.
asked by Henry2 
politics
what is the don't ask don't tell? and are there other related terms they use with this? thank you
asked by sandy 
grammar
All of the villagers were fascinated with new technology. were is the linking verb and is linking fascinated. Is fascinated an adjective?
asked by Dakota 
english
Does Victor have an obligation to the monster in Frankenstein? Why?
asked by Katie 
grammar
Is concerned an adjective in the following sentence.The village was concerned about the lack of water.
asked by Dakota 
math
One estimate for the distance from earth to the andromeda galaxy is 2,400,000 light years. What is this distance expressed in scientigic notation?
asked by john 
Math
61/5y is less than or equal to 7 Please help me solve this and show your work thanks.
asked by Kim 
math
First estimate 1 1/8 ÷ 5 5/8. Then divide to find the exact answer. Simplify all answers.
asked by Anonymous 
social work
What are some of the issues that need to be addressed in the hiring of competent staff in working with people with disabilities? I am only finding information about employing those with disabilities. How do I phrase this question to Google or ideas where
asked by Mary 
physics 1
The position of a particle moving along the xaxis is given by x = 3.49t2 – 2.21t3, where x is in meters and t is in seconds. What is the position of the particle when it achieves its maximum speed in the positive xdirection?
asked by jelena pleeease help 
Chemistry
What is the net ionic equation for the reaction that occures between nitrouse acid and strontiun hydroxide ?
asked by Cynthia 
Math
what is the cube root of 1/64
asked by Lisa 
Chemistry
Display the final answer in correct scientific notation and show correct number of significant figures in the final answer: 6.0223010000 x 1024 x 2.222090001 x 1030 I get this far and then get stuck: 13.3820948351123 x 10 54
asked by Susan 
business
A job application letter is different from a resume in that: a.it presents a job candidate's qualification. b.it uses short,parallel phrases and sentence fragments. c.it is adapted to a position rather than to the needs of a particular organization. d.it
asked by Anonymous 
US HISTORY
How Does prohibition era affect today life
asked by DAN 
photo
And you call me a geek? Shuh. I'm tnnkhiig you're Supergeek.Reply by on August 27th, 2009 at Thursday, August 27, 2009 @ 1:06 pm@Coal Miner's Granddaughter, you own a stormtrooper costume!
asked by tycofiLi 
chemistry
how does the electrolyte paste in a battery work
asked by bob 
reading
IF SOMEONE IMPLORED YOU TO do something, would you be more or less likely to do it,then if he or she decreed you to do that?Explain.
asked by Celest 
algebra
A DVD player's laser reader helps to "read" the information on the DVD. A particular laser reader measures 0.56 micron thick. does this fall with the required standards if a company uses t  0.03 
asked by kelly 
English
Writeacher, where shall I "who"instead of which" in the sentence below? Thank you. 1) In all revenge tragedies a sexual or violent crime is committed against a family member of the hero, which (stands for the "crime") for various reasons cannot be
asked by Henry2 
Microeconomics
Consider the markets for pizza and fried chicken. Show graphically and explain the impact you would expect if technological change leads to the development of a pizza oven that is both much cheaper and uses less energy than current ovens.
asked by Lilly 
US HISTORY
What other laws were passed during the prohibition era. (EXCLUDING the 18Th amendment and Volstead act) THANX
asked by DAN 
prealgebra
solve 263*2 ____________ 4^4 + 3^4
asked by susan 
english
I need examples of a sonnet!
asked by ashley 
Science/geology
Why does the Red River flow north, and the Mississippi River flow south?? I think it has something to do with elevation.. but I'm not sure.
asked by Lee 
BUSINESS
Which is typical behavior of a successful interviewee A Making eye contact often with the interviewer B Avoiding the use of technical jargon CMaking it clear that you are using the interview to learn about the company and what it offers D Responding
asked by Anonymous 
Science
What is the realtionship between the second law of thermodynamics and Gibbs free energy
asked by Steph 
Math
Beaufort Scale and Wind Effects 0 Smoke rises vertically 1 Smoke shows wind direction 2 Wind felt on face 3 Leaves move, flags extend 4 Paper, small branches move 5 Small trees sway, flags beat 6 Large branches sway, flags beat 7 Large branches sway,
asked by Smith 
Project Management
What elements do you think are critical when conducting project meetings and why do you think they are important? How do project meetings help with managing interorganizational relations? Be sure to address the concept of group think in your discussion.
asked by Cynthia 
math
build equation Of the 15 players on the boys' soccer team, 2/5 are 8th graders. On the girls' soccer team,1/3 of 18 are 8th graders. How many 8th graders plaayed on the two teams.
asked by Anonymous 
math
factorise 6m squared  600
asked by sarah 
prealge
how do you solve this original price 60$ and discount percent: 20%
asked by vick 
Math
how do you post 21/2 and 1 on a graph
asked by Anonymous 
maths
let f(x,y)=sqrt (1x^2y^2) where x^2+y^2
asked by simran 
Calculus
Find the derivative of y = ln cos(ln). I got tan(ln x)/x, is this correct?
asked by Emily 
MATH !!!!!!!!!!
IN MR.MAROLE'S CLASS, THREE FOURTH OF THE STUDENTS TAKE MUSIC LESSONS.THAT IS, 15 STUDENTS TAKE MUSIC.HOW MANY STUDENTS ARE IN MR.MAROLE'S CLASS?
asked by Celest 
Math
k/5+3/20
asked by Amanda 
science
a car starts from a stop. at the end of 30 seconds its speed is 20 meters per second. what is the acceleration of the car?
asked by morgan 
us history ( 8TH)
at around 1832, was John C. Calhoun, Andrew Jason`s VP????
asked by sammie doodles :) 
computers
forums and discussion boards are the same thing. I say true
asked by Elizabeth 
writing
How would you feel if your teacher did not give you a present
asked by problem solver 
social studies
How did religon affect social order in Sumer?
asked by 5123 
math
swimming lessons at the local park district swimming pol cost $18.00 for 3 weeks of lessons. What is the best estimate of the total cost for 8 people to take swimming lessons at the pool?
asked by cindy 
APUSH
Explain the rise of the republicans and the international challenges faced following world war I?
asked by Sonja 
science
why is the gibb free energy important in plant biology
asked by Steph 
Vocabulary
What does intuitive mean?
asked by LA 
English
Would another past tense from be has ran or what would you combine with had, has, or have for past tense?
asked by Jim 
information literacy
which of the following types of documents are considered primary sources?
asked by anita 
College Algebra 1050
Assume you are on a planet with a gravity constant g (instead of 32 feet per second squared) and a speed of sound c (instead of 1100 feet per second), and that you hear the impact of the rock after t seconds. Then the depth of the well is x feet, where
asked by John 
Chem
how much energy is required to change 42.5 g of molten aluminum into aluminum vapor
asked by Alex 
biology
any site i go onto that be animation site to find out about nucleic acids and protein synthesis? this chapter soo hard. codon, anticodon i need animation.
asked by Shreya 
ecology
how has the eucalyptus tree adapted to the australian environment
asked by Anonymous 
calculus
integral from 1 to e^5 1/(x(sqrt4+lnx))dx
asked by harish 
math!
IN MR.MAROLE'S CLAOF THE STUDENTS TAKE MUSICSS, THREE FOLESSONS.THAT IS, 15 STUDENTS TAKE MUSIC.HOW MANY STUDENTS ARE IN MR.MAROLE'S CLASs? explain.
asked by Celest 
Physics  Question
I have this number where they give me the coordinates of 3 particles and the mass of each one of them. Afterwards, there's a force applied on 2 of those particles and they ask me to calculate the systems total moment of inertia. But then they ask me this:
asked by Raf 
enc
Challenge you might encounter when building a working draft of compare and contrast essay
asked by Anonymous 
math
name two different numbers that are greater than .66 and less than .9
asked by k 
computers
does cookies help web pages remember your username and password?
asked by Elizabeth 
math
no i cant can u explain please
asked by marshalena 
computers
what term is given to pieces of computer software that allow you to manage your email from your computer? I say email filters
asked by Elizabeth 
math
if u bought a juice for $1.25 and used 11 coins to pay for it what combination of coins could you use
asked by Anonymous 
MATH
6.8M = HOW MANY CM
asked by Anonymous 
eCommerce
If I opened a business and was offered $1,000, should I sell or not? why? Cite the ethical dilemmas.
asked by sue 
chemistry
what are three common ores from which copper can be extracted
asked by drew 
algebra 2
solve the equation m^6 64=0
asked by Gabby! 
Algebra
2= 10+z/3
asked by tracy 
politics?
what is gm bailout?
asked by sandy 
college algebra
what is 5/a3b/a^2
asked by Cambren 
math
2/7n+n=5/9
asked by taylor 
PreAlgerbra
2/7n+n=5/9
asked by taylor 
PreAlgerbra
8w/10=3/5
asked by taylor 
math
2/7n+n=5/9
asked by taylor