Questions Asked on
February 20, 2011

chemistry
The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is 5084.3kJ. if the change is enthalpy is 5074.1kJ, how much work is done during the combustion?
asked by Anonymous 
geometry
A sign is in the shape of a rhombus with a 60° angle and sides of 2 cm long. Find the area of the sign to the nearest tenth.
asked by Anonymous 
Chemistry
A gas at 65 degrees Celsius occupies 4.22L. At what Celsius temperature will the volume 3.87L, assuming the same pressure? kay so ive tried this one like a million times & i cant seem to get the right answer so pls talk me through the steps. like i know
asked by kLb 
Chemistry
Which of the following should have the largest Henry's law constant (kh) in water? Ar CO2 CO CH3CH3 Xe
asked by Katherine Nguyen 
Physics
About how much pressure do the feet of a 6000kg elephant exert on the ground? Assume each foot has area of 0.10 square meters.
asked by Sophia 
Physics
A loudspeaker of mass 25.0 kg is suspended a distance of 1.00 m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of 2.50 m . What is the tension in each of the cables?
asked by Tina 
College Physics
A 22.9kg child is on a swing attached to ropes that are L = 1.33 m long. Take the zero of the gravitational potential energy to be at the position of the child when the ropes are horizontal. Part A)The child's gravitational potential energy when the child
asked by Emma 
Chemistry
aqueous sulfurous acid H2SO3 was made by dissolving 0.200 L of sulfur dioxide gas at 19 C and 745 mm Hg in water to yield 500.0 ml of solution. the acid solution required 12.9 ml of sodium hydroxide solution to reach the titration end point. what was the
asked by Sierra 
Physics
Suppose that the terminal speed of a particular sky diver is 170 km/h in the spreadeagle position and 315 km/h in the nosedive position. Assuming that the diver's drag coefficient C does not change from one position to the other, find the ratio of the
asked by D 
physics
Two small metal spheres with masses 2.0 and 4.0 are tied together by a 5.4long massless string and are at rest on a frictionless surface. Each is charged to +2.4 .
asked by carlyle 
Physics Mechanics
A banked circular highway curve is designed for traffic moving at 57 km/h. The radius of the curve is 211 m. Traffic is moving along the highway at 48 km/h on a rainy day. What is the minimum coefficient of friction between tires and road that will allow
asked by D 
Physics
A Boeing 747 "Jumbo Jet" has a length of 59.7m. The runway on which the plane lands intersects another runway. The width of the intersection is 25.0m. The plane decelerates through the intersection at a rate of 5.7 m/s(squared) and clears it with a final
asked by CR 
Chemistry
A solution is prepared by mixing 8 mL of .2 M Fe(NO3)3, 10mL of .001 M NaSCN, and 7 mL of .1 M HNO3 a. calculate the concentration of Fe3+ in the solution b. calculate the SCN in the solution
asked by Anonymous 
Physics
How much heat must be added to 190 g of ice at 0°C to melt the ice completely?
asked by Anonymous 
Physics
A British company makes optical fibers that are 13.6 km in length. If a beam of light travels along one of those fibers, always reflecting at the critical angle, it will travel 20.3 km. What is the index of refraction of the fiber material?
asked by Ashley 
Chemistry
A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18 sample of the salt is dissolved in 100.0
asked by Robin 
math
A pair of dice is rolled, and the number that appears uppermost on each die is observed. Refer to this experiment and find the probability of the given event. One die shows a 5, and the other is a number less than 2.
asked by Vanny 
Physics
Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightwardpointing force of magnitude 15 N is applied to the leftmost block. a.)What is the magnitude of the
asked by Cesar 
AP CHEMISTRY
How many moles of Cu are produced when .25 moles of Cu2Se are completely reduced by an excess of hydrogen gas? Any help is appreciated!
asked by Jasmine 
physics
A boy can throw a ball a maximum horizontal distance of R on a level field. How far can he throw the same ball vertically upward? Assume that his muscles give the ball the same speed in each case. (Use R and g as appropriate in your equation.)
asked by kia 
Physics
What is the mass of the air in a room that has dimensions of 10m x 30m x 4m?
asked by Sophia 
Chemistry
A metal, , of atomic weight 96 reacts with fluorine to form a salt that can be represented as . In order to determine and therefore the formula of the salt, a boiling point elevation experiment is performed. A 9.18 sample of the salt is dissolved in 100.0
asked by Robin 
Physics
Two blocks are arranged at the ends of a massless string as shown in the figure. The system starts from rest. When the 3.21 kg mass has fallen through 0.4 m, its downward speed is 1.27 m/s. The acceleration of gravity is 9.8 m/s2 . 3.21 kg (box hanging
asked by CR 
math
One light bulb is selected at random from a lot of 150 light bulbs, of which 6% are defective. What is the probability that the light bulb selected is defective?
asked by Vanny 
Chemistry
What is the Cl concentration just as Ag2CrO4 begins to precipitate when 1.0 M AgNO3 is slowly added to a solution containing 0.015 M Cl and 0.015 M CrO4^2?
asked by Jake 
physics
A boy can throw a ball a maximum horizontal distance of R on a level field. How far can he throw the same ball vertically upward? Assume that his muscles give the ball the same speed in each case. (Use R and g as appropriate in your equation.)
asked by kia 
biology
what is the nature of the walls of the phloem vessels after they are stained in the microscopic section
asked by boushra 
spanish
¿A quién le ofrece frutas Roberto? (a su familia) roberto se las ofrece a su familia ¿Quién te llevó los entremeses? (mis amigas) mis amigas me los llevaron ¿Quién nos va a abrir la puerta a esta hora? (Sonia) sonia le va a abrir ¿A quiénes les
asked by Cassie 
physics
Roxanne is making a strawberry milkshake in her blender. A tiny .0050kg strawberry is rapidly spun aroundhe inside of the container with a speed of 14.0 m/s, held by a force of 10.0N. What is the radius of the blender at this location?
asked by julia 
physics for scientists and engeneers I
A tennis ball of mass m = 0.065 kg and speed v = 35 m/s strikes a wall at a 45° angle and rebounds with the same speed at 45° (see figure). What is the impulse given to the wall? Magnitude
asked by Johnathon 
chemistry
Ag+HNO3AgNO3+NO+H2O balance the redox reaction using the oxidationnumber method
asked by sally 
Chemistry
A gas at 65 degrees Celsius occupies 4.22L. At what Celsius temperature will the volume 3.87L, assuming the same pressure? kay so ive tried this one like a million times & i cant seem to get the right answer so pls talk me through the steps. like i know
asked by kLb 
SOC
Aron: The two double A batteries in my CD player are dead, so the CD player doesn’t work. My television remote control, which also uses two double A batteries, works fine. So if I move the two batteries from my television remote control to my CD player,
asked by shelly 
Government
A bill has been approved in the House and Senate, albeit in slightly different versions. The bill now goes to A) the president for her/his veto or signature. B) a conference committee. C) the standing committees in the House and Senate where the bill
asked by Mini 
physics
a bullet with a mass of 5 g and a speed of 600 m/s penetrates a tree to a depth of 4 cm. Assume that a constant frictional force stops the bullet. Calculate the magnitude of this frictional force. *Also, I'm not sure if the answer would be positive or
asked by Nilan 
physics
A proton (mass=1.67*10^27 kg) moves with a velocity of 6.00*10^6 m/sec. Upon colliding with a stationary particle of unknown mass, the proton rebounds upon its own path with a velocity of 4.00*10^6 m/sec. The collision sends the unknown particle forward
asked by bird 
physics
Rosie (mass 47 kg) pushes a box with a horizontal force of 140 N (31.472 lb) at a speed 15 m/min. What is Rosie's power output?
asked by Nabil 
physics
Vector A points to the north and has length A. Vector B points to the east and has length 2.5A. Find the direction of C= 7.4A+B Express your answer as an angle relative to east.
asked by anonymous 
math
An experiment consists of selecting a card at random from a 52card deck. A black face card (i.e., a jack, queen, or king) is not drawn.
asked by Vanny 
physics
a pipe of length 1.00 m and open at both ends is lying on the ground at a construction site on a windy day of temperature 20 degrees C. Justin notices that the pipe is resonating and creating a sound of a particular frequency, the fundamental frequency. a)
asked by cindy 
science/maps
Earths diameter is about 13,000 Kilometers. If a globe has a diameter of 0.5 meter, write the globe's scale as a ratio. What distance on Earth would 1 centimeter on the globe represent?
asked by linda 
Physics
A box of mass m1 = 10.0 kg rests on a smooth, horizontal floor next to a box of mass m2 = 5.0kg. You push on the box 1 with a horizontal force of F = 31.8 N: a.)What net force on box 2 will cause it to have this acceleration? b.)What the force on box 1 on
asked by Brandon 
Mathematics
Among 500 freshmen pursuing a business degree at a university, 313 are enrolled in an economics course, 205 are enrolled in a mathematics course, and 153 are enrolled in both an economics and a mathematics course. What is the probability that a freshman
asked by Anonymous 
PHYSICS
A 70 kg student traveling in a car with a constant velocity has a kinetic energy of 1.4 104 J. What is the speedometer reading of the car in km/h?
asked by CHRISTINE 
English
Here are some more sentences I'd like you to check. Thank you very much. 1)If you are in the mountains, keep far (move away, stay away are possible?) from rocks and trees. I have always had backaches from not doing any sport (sports)/from not doing sport.
asked by Mike 
Government
Most members of Congress are a. concerned with national issues, but even more concerned with local ones. b. controlled by specialinterest groups. c. interested only in the work of the subcommittee on which they serve. d. opposed to the seniority system.
asked by Mini 
Science
Can a person with a genetic disorder that has been corrected by gene transfer pass the corrected condition to is or her children? Explain Yes, it is because genetic disorder is cause by an an abnormal in genes or chromosomes so it is not a 100% that the
asked by Shadow 
Chemistry
How many grams of carbon tetrachloride CCL4 must be mixed with 35.96g of ethyl acetate CH3COOCH2CH3 at 50? celsius to produce a solution with a vapor pressure above the solution of 291.8 torr. The vapor pressure of pure carbon tetrachloride and ethyl
asked by Jude 
physics
Rosie (mass 47 kg) pushes a box with a horizontal force of 140 N (31.472 lb) at a speed 15 m/min. What is Rosie's power output?
asked by Nabil 
geometry
If Jan takes exactly 30 minutes to walk to school each day, and her school is 2.3 miles away, what is her average walking speed (rounded to the nearest tenth)?
asked by chip 
chemistry
What is the molar concentration of calcium hydroxide that has 0.185g solute in 100ml solution?
asked by twynna 
Calculus  Verify?
Find the slope of the tangent line to the curve (a lemniscate) 2(x^2+y^2)^2 = 25(x^2y^2) it is at pt (3,1)
asked by Aric 
Chemistry
A brownie contains 1.30 ×102 mg of sodium. What is this mass equivalent to it in units of grams?
asked by Des 
College Chemistry
2.50 mL of ethyl acetate and 2.50 mL of distilled water are added to the 5.00 mL of 3 Molar HCl and the mixture is allowed to sit for a week. At the end of this time, 28.30 mL of 1.000 Molar NaOH was needed to titrate the solution. (The HCl was the same as
asked by Tichele 
physics
At the surface of Jupiter's moon Io, the acceleration due to gravity is 1.81 . A watermelon has a weight of 43.0 at the surface of the earth. In this problem, use 9.81 for the acceleration due to gravity on earth
asked by Anonymous 
Physics
A parallelplate capacitor is constructed from two circular metal plates or radius R. The plates are separated by a distance of 1.2mm. 1. What radius must the plates have if the capacitance of this capacitor is 1.1 uF? 2. If the separation between the
asked by Jon 
physics
A proton (mass=1.67*10^27 kg) moves with a velocity of 6.00*10^6 m/sec. Upon colliding with a stationary particle of unknown mass, the proton rebounds upon its own path with a velocity of 4.00*10^6 m/sec. The collision sends the unknown particle forward
asked by bird 
physics
A landscape architect is planning an artificial waterfall in a city park. Water flowing at 1.40 m/s will leave the end of a horizontal channel at the top of a vertical wall 3.90 m high, and from there the water falls into a pool. To sell her plan to the
asked by kia 
Principles of Finance
Kilsheimer Company just paid a dividend of $ 4 per share. Future dividends are expected to grow at a constant rate of 6% per year. What is the value of the stock if the required return is 12 %?
asked by michael 
Chemistry
What is the mole fraction of methyl nbutyrate CH3(Ch2)2COOCH3 in the vapor phase of a solution consisting of? a mixture of methyl nbutyrate and ethyl acetate CH3COOCH2CH3 at 50 Celsius if the total pressure above the solution is 192.5 torr. The vapor
asked by Jude 
Social Studies
Explain the similarities and differences in the way the US and Canada gained independence
asked by David 
Physics
A person on top of a wall of height 3.4 m stands near the edge, leans over and tosses a putty wad of mass 1.3 kg vertically into the air as shown in the figure below. The wad reaches a maximum of 4 m above the top of the wall. The wad then comes down and
asked by kelly 
Chemistry
A solution is prepared by mixing 0.0400 mol CH2Cl2 and 0.0700 mol of CH2Br2 at 25°C. Assuming the solution is ideal, calculate the composition of the vapor (in terms of mole fractions) at 25°C. At 25°C, the vapor pressures of pure CH2Cl2 and pure CH2Br2
asked by Katrina 
science
Earth's diamter is about 13,000 kilometers. If a globe has a diameter of 0.5 meter, write the globes scale as a ratio. What distance on earth would 1 centimeter on the golbe represent?
asked by linda 
algebra
A train can travel 280 miles in the same time that it takes a car to travel 140 miles. If the train's rate is 40 miles per hour faster than the cars, find the average for each.
asked by Jam 
Texas Government
Do you think the time has finally come to redraft the 1876 Texas Constitution in order to meet the needs of the growing, 21sy century Texas. Any input would be great.
asked by Susie 
maths
Find the gradient of the straight line that passes through the points (3,6) and (5,2) and hence find the equation of the line, clearly showing each step of your method
asked by Mego 
math
If a ball is selected at random from an urn containing six red balls, six white balls, and eight blue balls, what is the probability that it will be a white ball
asked by Vanny 
Physics
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.31 × 106 m/s.Find the central force acting on the electron as it revolves in a circular orbit of radius 4.95 × 10−11 m. Answer in units of N. Find the centripetal
asked by CR 
chemistry
Concentrated nitric acid is 16M. What volume of nitric acid must be diluted with distilled water to preapre 5L of 0.1M nitric acid?
asked by twynna 
physics
Sir Robert Hooke (16351703), studied the elastic properties of springs and formulated the law that bears his name. Hooke found the relationship among the force a spring exerts, F, the distance from equilibrium the end of the spring is displaced, x, and a
asked by Anonymous 
Probability
A pair of fair dice is tossed 3 times. Find the probability a seven appears 3 times.
asked by Traci 
physics
2 objects are .25m apart and exert a force of 2.5x10^10 N on each other. Thier total mass is 4 kg. what is the mass of each?
asked by mark 
physical science
A student is traveling in a car with a constant velocity has a kinetic energy 1.0 x 10^4 J. What is the speedometer reading of the car in km/h.
asked by sandy 
Physics
The resistance of the wire in the windings of an electric starter motor for an automobile is 0.0190 Ohms. the motor is connected to a 12 V battery. What current will flow through the motor when it is stalled?
asked by Kara 
statistics
A class consists of 50 students, 20 of them are girls and boys, 10 them are rich and remaining poor, 5 of them are fair complxioned, 3 are intelligent. What is the probability of selecting a fair complexioned rich intelligient girl?
asked by uma 
Website help
h t t p // w w w . educationplanner . ca / program . cfm?id=33362&view=details I went onto this site, and I have found the problem I want to take and what would be my insitution for that program?
asked by Anonymous 
math
dad divied $180 amoung his two sons in the ratio of 4:5. How much did each receive ?
asked by pammy 
Physics
A string under a tension of 48 N is used to whirl a rock in a horizontal circle of radius 2.4 m at a speed of 18.48 m/s. The string is pulled in, and the speed of the rock increases. When the string is 1.076 m long and the speed of the rock is 49.4 m/s,
asked by CR 
chemistry
Concentrated HCI is 12M. What is the molarity of an HCI solution prepared by dilluting 10ml concentrated HCI to a total volume of 250ml?
asked by twynna 
chemistry
How many grams of Lead (II) Nitrate are required to make a 350mL solution of 2.5M Pb2+?
asked by valentina 
physics
A crane lifts a concrete hopper of mass 370 kg from the ground to the top of a 38 m building that is under construction. The hopper moves with a constant speed during the lift. The power rating of the crane motor is 8.2 kiloWatts. How long does it take for
asked by anonymous 
algebra
Factor the Following: 3x^2 + 10xy + 7y^2
asked by Julie 
PHYSICS
A capacitor consists of a solid metal sphere of radius 3 cm placed at the center of a thin metal spherical shell of radius 12 cm. The space between is empty. What is the capacitance?
asked by Kara 
Physics
a VW beetle goes from 060miles/hour with an acceleration of 2.35m/s(squared). How much time does it take for the Beetle to reach this speed. Here's what I have 60 miles = 96560.64m.
asked by CR 
Physics
Blocks of mass 4, 8, and 24 kg are lined up from left to right in that order on a frictionless surface so each block is touching the next one. A rightwardpointing force of magnitude 15 N is applied to the leftmost block. Suppose now that the leftright
asked by Raji 
chemistry
If a solution were made by mixing equal volume of 0.1M acetic acid(HA) and 0.1M Naacetate(A^) what pH would it gives?
asked by kabelo 
College Physics
A 4.55kg ball of clay is thrown downward from a height of 3.13 m with a speed of 4.41 m/s onto a spring with k = 1690 N/m. The clay compresses the spring a certain maximum amount before momentarily stopping. a) Find the maximum compression of the spring.
asked by Emma 
Physics
A 64.5kg skier moving horizontally at 4.83 m/s encounters a 16.7° incline. a) How far up the incline will the skier move before she momentarily stops, ignoring friction? b) How far up the incline will the skier move if the coefficient of kinetic friction
asked by Em 
us history until 1877
By 1700 the British colonies on the North American mainland were remarkably different, and in many ways isolated from one another. As late as 1760 Benjamin Franklin declared that a union of the colonies was “not merely improbable, it is impossible,”
asked by Bob 
business statistics
The scores on a standardized exam are normally distributed with mean= 50 and variance=16. (a) what percentage of the scores exceed 58? (b) what percentage of the scores lie between 38 and 54? (c) what is the 84th percentile of the distribution?
asked by Julie 
physics
How much potential energy does a 60kg skater have before she starts her ride, 12m above the ground?
asked by David 
energy
A 68 kg student traveling in a car with a constant velocity has a kinetic energy of 1.5 104 J. What is the speedometer reading of the car in km/h?
asked by big k 
math
you have 3 hours to do your homework. you spend 45 min on math. you want to divide the time remaining equally along 4 subjects. write and solve the inequality to find the # of minutes you can spend on each subject. I know the answer is 33.75 but can you
asked by hunter 
physic
indentify at least two ereas of physic involved in the following: a) building a louder stereo system in your car b)bungee jumping c)judging how hot an slectric stove burner is by looking at it. d) cooling off on a hot day by diving into a swimming pool.
asked by nancy 
physics
A person uses a lever to lift a load. The person pushes downward with a force of 17 N a vertical distance of 1.8 m. Under ideal condidtions (no friction, bending, etc.), how high up can a load weighing 610 N be lifted? h(lift)=_____cm
asked by anonymous 
mangement science the art of modeling w/ spreadshe
Five years ago, an automobile manufacturer started offering an extended warranty to buyers of its sportutility vehicle.Â Â The extended warranty covered defects occurring after the initial threeyear warranty expired.Â Â Of the 10,000 people who
asked by melissa 
fizik
1. A sports car travelling east at 48.0 m/s passes a trooper hiding at the roadside. The driver uniformly reduces his speed to 22 m/s in 4.10 s a) Find the magnitude and direction of the car’s acceleration as it slows down b) Calculate the distance
asked by alya 
math
A pair of dice is rolled. What is the probability of the sum of the numbers shown uppermost is less than 6?
asked by Vanny 
math algebra
not sure about this can someone please help me solve for x using the addition principle x+10=13 Now I added 10 to both sides 10 + 10 that gives me 20 then I added 13 +10 = 3 my x is the 20 or did I mess this problem up all the way around?
asked by SO LOST 
physics
3 part question: A 52kg girl weighs herself by standing on a scale in an elevator. What does the scale read when: a.)the elevator is accelerating downward at 2.5 m/s2? b.)the elevator is accelerating upward at 2.5 m/s2? c.)the elevator is ascending at 10
asked by Brandon 
spanish
for tu commands: Bring it! = traelo Bring it (negative)! = no lo traes or "no lo traigas" ?
asked by Amy 
Argosy University
How can social stratification possibly lead to prejudice and/or discrimination towards others? Compare and contrast prejudice and discrimination in at least three different ways. How can the three sociological perspectives (i.e., social functionalism,
asked by Candie 
trigonometry
okay so i have this trigonometry problem were i HAVE to use logarithms. Now this is my work but can u help me solve it using logarithms. Find the area of the following triangles:(use logarithms) 1) c=426, A=45degrees 48' 36",and B=61degrees 2' 13"
asked by anon 
college english 101
okay i have to write an argumentative essay dealing with child abuse laws and how they are effective in the US and idk where to start of what should my thesis be? help please
asked by maria 
physics
2 questions to fill in the blank: 1) in order tocalculate work done, use the ___ of the force which is in the direction of motion. 2) You push against a car stuck in the mud. You will do ___ work unless you are successful in moving the car.
asked by Kriti 
physics
A cannonball of mass 3.67 kg is shot from a cannon at an angle of 39.51° relative to the horizontal and with an initial speed of 56.41 m/s. As the cannonball reaches the highest point of its trajectory, what is the gain in its potential energy relative to
asked by lizzy 
Biology
Kay so these are the strands of DNA 5' C C A G T A G T T 3' 3' G G T C A T C A A 5' Let's say the DNA molecule above were the parent strand of DNA. when the strands are split for replication, which strand would be the template for the leading strand? And
asked by Melanie 
Yr 10 English URGENT
"Write a creative description of a journey you have taken. Focus on the means of transportation and the nuances in particular to that way of travel. Select 10 words from the spelling list to use in your piece of writing and write in the space provided on
asked by Shivi 
Physics Repost Please Help
Posted by Amanda E. on Saturday, February 19, 2011 at 10:10pm. Two positive charges of magnitude q are each a distance d from the origin A of a coordinate system as shown above. ( Figure: h t t p : / / draw.to/DS0Qid) At which of the following points is
asked by Amanda S. 
math help plzzz
the perimeter of a rectangle is 3.5 times the legth. the width is 2.5cm less than the legth. what is the width?
asked by kim 
math
Mr. Jones grosses $500 per week. He has 6% automatically deposited into his savings account. At the end of the year 2% is added to the account. How much will he have in his savings account at the end of the first year after the interest is added?
asked by joana 
MAth
ANSWER: 27 Free Throws IF Jill Makes 6 free throw shots out of every ten she attempts, how many will she make if she attempts..... A60 Free throws? B36 Free Throws? C45 free throws?
asked by Taylor 
science/maps
An airplane flies directly west at 1,000 kilometers per hour. Without changing directions, the plane returns to its starting point in just one hour. What can you infer about the planes route with regard to lines of latitude and longitude? Explain please.
asked by linda 
physics
A bullet of mass 0.0019 kg moving at 487 m/s embeds itself in a large fixed piece of wood and travels 0.55 m before coming to rest. Assume that the deceleration of the bullet is constant. What force is exerted by the wood on the bullet?
asked by Brandon 
Math for teachers
Convert the baseten number to a numeral in the indicated base. 19) 15 to base two 19) ______ A) 11110two B) 111two C) 1110two D) 1111two
asked by cassie 
literaturePlease help me!!!
how does eudora welty use dialogue to establish characters?
asked by thomas 
Physics
2 part question, only looking for part b. a) A driver wearing a seat beat decelerates at roughly the same rate as the car it self. Since many modern cars have a "crumble zone" built into the front of the car, let us assume that the car decelerates of a
asked by Brandon 
Physics
In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 0.87 m by the horizontal 25 N force from the broom and then has
asked by D 
chemistry
what is the name of the compound (cooh)ch=ccl(cooh)
asked by mak 
Chemistry
The vapor pressure of pure water at 85 celsius is normally 433.6 mmHg but decrease to 393.8mmHg upon addition? of an unknown amount of ammoniu chloride NH4Cl to 162.2g of water at this temperature. How many grams of ammonium chloride were added assuming
asked by Jude 
English
I forgot to include the following sentences. Thank you very much for your help! 1)The revenge tragedy (or a revenge tragedy) has the following features. First of all, a sexual or violent crime is committed (has been committed is possible?) against a member
asked by Mike 
College Physics
A cannonball of mass 3.67 kg is shot from a cannon at an angle of 39.51° relative to the horizontal and with an initial speed of 56.41 m/s. As the cannonball reaches the highest point of its trajectory, what is the gain in its potential energy relative to
asked by Emma 
physics
A snowboarder of mass 71.8 kg (including gear and clothing), starting with a speed of 4.8 m/s, slides down a slope at an angle θ = 37.1° with the horizontal.
asked by Anonymous 
Physics 1
What is the minimum speed a 3,200 pound car can have on a flat road when going around a curve with a radius of 300ft. Take the static coefficient of friction to be 0.8.
asked by Lindsey 
ALGEBRA
Suppose that R is the set of real numbers. Let f: R> R be defined by f(x)= mx+b, where m and b are real numbers and m is nonzero. Prove that f is a bijection.
asked by Adam 
ALGEBRA
Suppose that R is the set of real numbers. Let f: R> R be defined by f(x)= mx+b, where m and b are real numbers and m is nonzero. Prove that f is a bijection.
asked by Adam 
physics
2 questions to fill in the blank: 1) in order tocalculate work done, use the ___ of the force which is in the direction of motion. 2) You push against a car stuck in the mud. You will do ___ work unless you are successful in moving the car.
asked by Kriti 
physics
Work is done when: a force is applied or an object OR a force causes an object to move
asked by Kiki 
physics
Through the process of doing work, energy can move between the external world and the system as the result of ____. The sentence is completed with the word FORCES. You have to rewrite the word to make the sentence true (if it is not already true.)
asked by Sejul 
math
while waiting in the checkout line at the grocery store you add the prices up of your 3 items to make sure you have enough money.explain how to use mental math and the properties of addition to find the total costs of 3 items if the prices are $1.85,
asked by hunter 
mrs sue please help
can you see if you can help me with my posted math question? Thank you
asked by hunter 
Intermediate Algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 7y = 120.5 20x – 14y = 241
asked by Jack 
The United States Until 1877
Compare and Contrast the development of the New England, Middle, Chesapeake, and Southern Colonies. Discuss the economic, religious, and social development of each from first settlement by the British to 1750.
asked by Bob 
Math
The surface area of a cylinder is 200cm. The diameter is equal to the height. Find the radius.
asked by Richard 
Math
The surface area of a cylinder is 200cm. The diameter is equal to the height. Find the radius.
asked by Richard 
8th grade science
answer yes or no to weight, velocity,speed,& mass. 2 identical planes taveling @ 300 km/hr in opposite directions both have the same: weightyes, velocityno, speedyes, massyes. velocity is a no, correct?
asked by Roy S. 
history
Most american socialists did not advocate: a.the creation of a stronger central government b. a worldwide revolution by the working class c. economic change accomplished through political action I think its a but I know its not b.
asked by sharice 
science
a sample of natural gas at stp is 78% ch4 and 22% c2h6 by volume. how many moles of each gas are presented in 2 L of the mixture.assume ideal gas behavior
asked by uriel 
physics
A crane lifts a concrete hopper of mass 370 kg from the ground to the top of a 38 m building that is under construction. The hopper moves with a constant speed during the lift. The power rating of the crane motor is 8.2 kiloWatts. How much work does the
asked by sam 
trigomometry
I don't think its right . can you correct me please . A.log sin A = 9.91655  10 sinA = 0.82537 A = 55.626° = 55° 34' 35" B.log cot A = 0.11975 cot(A) = 1.317498... A = 37.199 degs A = 37º 11' 56"
asked by anon 
algebra
(x+3)/(x^2x12) + (2/x + 3)= (1)/(x4)
asked by Julie 
algebra
(x+3)/(x^2x12) + (2/x + 3)= (1)/(x4)
asked by Julie 
problem solving
The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 21 minutes requires 12.6 gallons of water. Find the amount of water used for a shower lasting 10 minutes.
asked by Jam 
finance
pfd company has dept with a yield to maturity of 7.5% a cost of equity of 13.5% and a cost of prefered stock of 9.5% the market value of its dept prefered stock and equity are $10.5 million, $3.5million, and $24.5 million respectively nd its tax rate is
asked by sheka 
Maths
how do you factorise 2xyysqaured? thanks
asked by Jc 
fizik
1. A sports car travelling east at 48.0 m/s passes a trooper hiding at the roadside. The driver uniformly reduces his speed to 22 m/s in 4.10 s a) Find the magnitude and direction of the car’s acceleration as it slows down b) Calculate the distance
asked by alya 
maths
At an ice hockey match 3/5 of the spectators were boys and 1/10 were girls. The remainder of the spectators were adults. Calculate the fraction of the spectators who were children?
asked by rebecca 
algebra
How long will it take a car traveling at 60 mph to overtake a bus traveling at 40 mph if the bus had a 1.5 hour head start?
asked by Jam 
algebra 2
If y is directly proportional to x, and y = 16 when x = 12, find the constant of proportionality, k. Give the answer in the form of fraction if necessary.
asked by homie 
Probability
40 students live in a dormitory. 5 have swine flu. If 4 students are selected at random, what is the probability that 1 or 2 of the 4 have swine flu?
asked by Traci 
chemistry
How many grams of NaOH are there in 2.5L of a 0.343 M solution?
asked by twynna 
chemistry
What volume of a 0.34M MgCI2 soultion is required to make 250ml of a 0.10M solution by dillution?
asked by twynna 
chemistry
Calculate the molar concentrations for each of the following solutions: A)1.5g NaCI in 100 ml solution B)1.5g K2Cr2O7 in 100 ml solution C)5.55g Na2SO4 in 125 ml solution D)20g MgBr2 in 250ml solution
asked by twynna 
Math for teachers
Find A ¾ B, given A = {people who are less than 20 years old} and 12) ______ A) {all people in the world} B) {people who are less than 20 years old and people who have a job} C) {people who are less than 20 years old or people who have a job} D) {people
asked by cassie 
English
Which is correct? 1. What did you do for the winter vacation? 2. What did you do for winter vacation? I think #2 is correct, if so ( or not ) how do I back this up with a specific rule?
asked by Jameson 
Physics
In the Bohr model of the hydrogen atom, the speed of the electron is approximately 2.31 × 106 m/s.Find the central force acting on the electron as it revolves in a circular orbit of radius 4.95 × 10−11 m. Answer in units of N. Find the centripetal
asked by CR 
7th grade math
Find the missing dimension for the three dimensional figure to the nearest tenth, given the volume and other dimensions L= 8m W=4.6m V=88mcubed
asked by Anonymous 
francais freshmen
Translate into french please: Return to heat and cook until set and edge is dry,(takes approximately 30 seconds).
asked by Gabrielle 
physics
a bullet with a mass of 5 g and a speed of 600 m/s penetrates a tree to a depth of 4 cm. Assume that a constant frictional force stops the bullet. Calculate the magnitude of this frictional force. I used KE = 1/2 mv^2 = 900 J then F (friction ) = W/d =
asked by Nilan 
Chemistry
Which of the following will have the smallest freezing point depression? 0.1158 m NaF 0.1158 m Na2SO4 0.1158 m K2SO4 0.1158 m Fe(NO3)3
asked by Jude 
Algebra 1
5r4s=21 4r+5s=66
asked by Ada 
science
The South Island of New Zealand lies at about 170 degrees East. What hemisphere is it in?
asked by linda 
College Algebra
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this.
asked by Jack 
mathematics
Consider the composition of a threechild family. Assume that a girl is as likely as a boy at each birth. What is the probability that there is one boy and two girls in the family?
asked by Anonymous 
mat/116
on three consecutive passes, a football team gains 6 yards, loses 13 yards, & gains 37 yards. what # represents the total net yardage?
asked by toy 
socials
I need help with writing a 500 word multiparagraph essay on "how supreme court of Canada shaping the canadian society". Can someone please give me some points?
asked by nel 
Spanish
Tu Commands: Please check Put it on! = ponlo or ponte Put it on (negative)! = no te pongas come here! = ven aqui! come here(negative) = no te vengas aqui go!= ve!
asked by Amy 
math please help
you are painting a room that is 16 ft long and 14 ft wide and 8ft high. the room has to identical windows and doors. 1 door leads to a closet that is 4 feet long and 4ft wide and 8ft high. you do not plan to paint the closet or windows. the windows are 3ft
asked by hunter 
Social Studies
How did the columbia exchange affect countries in the western hemispere?
asked by Anthony 
Calculus II
Find the volume of the solid formed by rotating the region enclosed by x=0, x=1, y=0,y= 6 +x^{8} about the yaxis.
asked by Chris 
statistics
Consider a 95% confidence interval for a population mean constructed from a random sample of 250 observations taken from a Normal population. Sigma is known to be 14. If we were to construct another 95% confidence interval, this time using 1,000
asked by AMY 
english
Include a discussion of sentence variety and the rhythm of the author's writing. underline the topic sentence. Question : why individuals can be denied credit for a number of reasons.
asked by diane 
statistics
Consider a 95% confidence interval for a population mean constructed from a random sample of 250 observations taken from a Normal population. Sigma is known to be 14. If we were to construct another 95% confidence interval, this time using 1,000
asked by AMY 
Geometry
Three points are on a coordinate plane: A(1, 5), B(2, 4), and C(6, 4). 1. Write an equation in pointslope form of the line with slope 1 that contains point C. 2. Write an equation in pointslope form of the line that contains points A an B. 3. Write
asked by Daniella 
math
The Wildlife Federation surveyed 170 San Diego residents. The results are as follows: 26 had a membership to the Birch Aquarium 44 had a membership to the San Diego Zoo 17 had both construct a venn diagram answering the foloowing questions i. How many had
asked by Peter 
calc
find integral using table of integrals ) integral sin^4xdx this the formula i used integral sin^n xdx =1/n sin^n1xcosx +n1/n integral sin^n2 using the formula this is what i got: integral sin^4xdx=1/4sin^3xcosx+3/4 integral sin^2xdx= 1/2sinxcosx+1/2
asked by tom 
math please help
what is the solution of 38x = 141? 18 12 1/18 18
asked by hunter 
8thgrade science
Iron reacts with oxygen to form ironoxide. What can be said about the properties of the product ironoxide. Is the answer rust?
asked by Roy S. 
Science
We determine the structure of the Earth's core using ? deep mine shafts. satellite imaging. radar and sonar. seismic wave data. magnetic resonance imaging.
asked by Anonymous 
algebra
(x+3)/(x^2x12) + (2/x + 3)= (1)/(x4)
asked by Julie 
math
x2y= 5 2x+y= 5
asked by Jam 
Finance
company has dept outstanding with a coupon rate of 6.0% and a yield to maturity of 7.9%. Its tax rate is 38% assume the dept has annual coupon. What is the company after tax cost of dept?
asked by sheka 
statistics
SPSS dataset complete_mooney_bp.sav, which can be found in Doc Sharing, was collected by Ms. Kim Mooney in 1989 as part of completing her dissertation at UNH. The dataset was collected to assist in exploring the relationship between the “effect of social
asked by Patrice 
applied statistics
We will employ the SPSS dataset talent.sav, which can be found in Doc Sharing, in our exploration of interpreting a OneWay MANOVA. You will need to install the PASW Grad Pack 18.0 in order to download the dataset. Open the SPSS dataset talent.sav. This
asked by Jamar 
Ms.Sue
you comment on every question with a question. if you cant answer them, and just say I'll be glad to check your answer then please don't bother responding to them... this is a homework help place not JUST homework check place.
asked by Anonymous 
Math
Find the total surface area if q solid cube of volume 98 cm cube. An open water tank with length 20 cm and width 15 cm holds 4.8 liters of water. Calculate the height of the water level in tank and the total sitface area of the cuboid in contact with
asked by Julie charmster 
physics
One strategy in a snowball fight is to throw a snowball at a high angle over level ground. While your opponent is watching the first one, a second snowball is thrown at a low angle timed to arrive before or at the same time as the first one. Assume both
asked by kia 
helper
can you please help me with the math question I just posted about how to write out the inequality?
asked by hunter 
English
I still have a few questions on how to ask for permission. Thank you. 1) Do you mind if I make a phone call? Yes, I do. (Is it possible) I'd rather you didn't. I'd prefer you not to. 2) Is it all right if I make a phone call? No, it isn't. Yes, it is. I'd
asked by Mike 
earth science
compared to earth, earth jupiter
asked by Anonymous 
geometry
If the perimeter of the smaller triangle is 4cm, what is the perimeter of the larger triangle?
asked by Anonymous 
Physics
How many calories are released when 3 grams of 100º C steam turns to 0º C ice
asked by Sophia 
Physics
Which would burn the most 100 g of water at 100 degrees C or 100 g of steam at 100 degrees C?
asked by Sophia 
COM/155
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. I wrote my movie review but im really confused on which ones are adjectives and which ones are adverbs. could you
asked by Stephanie 
chemistry
A sample of helium gas has a volume of 325L at 25C and at 5atm. At what temperature the gas can be compressed at 50atm to a volume of 125L?
asked by twynna 
chemistry
How would you prepare the following solutions? A)2%NaCL(w/v) B)0.35M glucose C)0.12M CaCI2
asked by twynna 
chemistry
Calculate the percentages of C,H,and O in C22H44O22.
asked by twynna 
hcs/335...st judes
What is the relationship between the organization’s culture and ethical decisionmaking? we decided to go with st.judes and does st.judes have a place like ronald mcdonald house for them? i think its the same but im not sure
asked by bobbi 
Math for teachers
Name the property of addition that has been applied. 13) ( 2 + 8) + 1 = ( 8 + 2) + 1 13) ______ A) Identity B) Commutative C) Closure D) Associative
asked by cassie 
Math for teachers
A certain state makes license plates with any three digits followed by any three letters. How many different license plates can be made? 17) ______ A) 17,576,000 B) 9 C) 11,232,000 D) 12,812,904
asked by cassie 
math
(radical d)!=24
asked by bob 
chemistry
how would i work out the problem for: a sample of oil has a mass of 65g and a volume of 80.0 ml what is its specific gravity. please show formula. thank you. Mary hornbeck
asked by mary please check for accuracy. 
Science
273 degrees farenheit is what in celsius 273`F> ??`C
asked by Gabrielle 
Website Help
need help down below
asked by Anonymous 
Precalc
What is the degree of the following polynomial equation? (x+9)(x5)(x+2)=0 1. 2 2. 3 3. 4 4. 5
asked by CJ 
human 114
compare two steps that would be most effective in refining solutions to the problem and resolutions to the issues presented by a topic.
asked by Anonymous 
Math
Find the area of the triangle ABC given A = 30°, b = 5, and c = 2.
asked by Sally 
algebra I
Please help I have no idea where to start. Solve for h 5h + 5+ 4h = 36
asked by MATH HELP PLEASE 
calculus
Find an equation for the tangent line to the graph of f at the point P = (−1, f(−1)) when f(x) = 4x + 1 3x + 1
asked by Anonymous 
instrumentation
write note on gas in metal,vapour pressure
asked by raffy 
English
The learner will distribute color coded index cards with the three main types of rocks written on them to be used in class question and answer session. Is this sentence correct or does it need a comma?
asked by Pete 
Math
two people aged 15 and 50. At some point during their lives, the elder will be three times the age of the younger. Write an equation which models how old in years each will be when the elder will be three times as old as the younger person.
asked by Matt 
HCS320
I need help with this my computer just got restarted like it was new and now I do not have microsoft office for power point Help Please.Outline how to integrate communication from a central command area to all area of the organization. Also need 3 slides
asked by charmed 
Hum/176
• Choose a form of popular media that you are passionate about. The media may be music, a book, or a movie. I advise you to choose a specific media. For example, rather than choosing film as a category, please select a specific film like "The Hurt
asked by Deb 
6th grade english
Can you recommend a site where I can get some examples of prepositional prases?
asked by sue 
algebra
how can i read this number 6 789 000 000 000 000 000 000 000 000kg may i know the place values of this.
asked by maverick 
Character Analysis
Well, I looked all over the internet and I can't find a single decent website where I can watch this movie. I guess I'll just have to depend on memory so my lists wont' be as specific as it should be...: The changes start to take place in the beginning,
asked by y912f 
MATH
Prove directly: A U (A' and B)= A U B
asked by Nicole 
science/maps
Could contour lines on a map ever cross? Explain please
asked by linda 
math please help
the soccer goaie has made 175 saves so far this season. The score record is 236 saves in a season with 6 games left to play which interquality could you use to solve to find the average saves the goalie must make in each of the remaining games to break the
asked by hunter 
physics
How fast must a cetrifuge rotate in order for a particle 9cm from the axis of rotation to experience an acceleration of 115000g's
asked by ethan 
Physics 1
What is the minimum speed that a roller coaster must have so that the people do not fall out at the top of the circle in an upside down loop? Take the radius to be 8 meters.
asked by Lindsey 
ALGEBRA
Suppose that R is the set of real numbers. Let f: R> R be defined by f(x)= mx+b, where m and b are real numbers and m is nonzero. Prove that f is a bijection.
asked by Adam 
English
I included the things I really didn't know. 1) May I borrow your high heeled shoes? (Give permission) Yes, you can (may?) 2) keep far (move away, stay away are possible?) from rocks and trees. 3) Hamlet doubts whether or not to kill Claudius. 4) The theme
asked by Mike 
education
how do you implement your educational philosophy in the classroom and what educational theories would be at work.
asked by pat 
chemistry
can someone please explain to me how the solution to 240 000 would be written as 240 000 is expressed as 2.4* 105 in scientific notation? i get the decimal part but am lost after that. mary Hornbeck
asked by mary please check for accuracy. 
chemistry
How do you find Kc for an equilibrium problem?
asked by Jess 
chemistry
List(mention) all the gases collected over water
asked by ejemole glory 
algebra
To buy both a new car and a new house, Tina sought two loans totalling $260,394. The simple interest rate on the first loan was 3.7%, while the simple interest rate on the second loan was 8.8%. At the end of the first year, Tina paid a combined interest
asked by Jack 
Physics
Compare the gravitational force on an 11 kg mass at the surface of the Earth (with radius 6.3 X 10^6 m and mass 6 X 10^24 kg) with that on the surface of the Moon (with mass 1/81.3 ME and radius 0.27 RE). What is the force on the Earth? What is the force
asked by Maddy 
computer
Can anyone describe WYSIWYG and what it stands for?
asked by Anonymous 
Physics
Compare the gravitational force on an 11 kg mass at the surface of the Earth (with radius 6.3 X 10^6 m and mass 6 X 10^24 kg) with that on the surface of the Moon (with mass 1/81.3 ME and radius 0.27 RE). What is the force on the Earth? What is the force
asked by Maddy 
Statisics
I need help on this question i am confused. I don't think the answers i got are right The library checks out an average of 320 books per day, with a standard deviation of 75 books. Suppose a simple random sample of 30 days is selected for observation. What
asked by Mike 
Spanish
tu command: don't stop! = no detengas?
asked by Amy 
physics
Through the process of doing work, what allows energy to move between the external world and the system? the result of what???
asked by Annie 
science/maps
Which would be more likely to show a shallow, 1.5 meter deep depression in the ground? a. 1 meter countour invterval or b. 5 meter countour interval
asked by linda 
Math
A flagpole is 20 feet tall and, in the afternoon, casts a shadow of 30 feet. At the same time, Keira casts a shadow of 7.5 feet. How tall is Keira? A. 3 feet. B. 4 feet. C. 5 feet. D. 5 feet
asked by Awesome1 
math
dad divied $180 amoung his two sons in the ratio of 4:5. How much did each receive ?
asked by pammy 
Psychology
According to Skinner and psychologists who study operant conditioning, which of the following provides the best consequence? 1. Pay your children $10 for n a report every 'A' that they will earn on a report card. 2. "I like the way you are sitting so
asked by Rhonda 
Math
If m varies directly as v^2, and m=2 when v=3, calculate the value of m when v=6
asked by kay 
math
what is the cardinal number of the set: {yellow,blue red,green,purple,orange}
asked by tootie 
math
Given the following sets, select the statement below that is true. A = {r, i, s, k, e, d}, B = {r, i, s, e}, C = {s, i, r} (Points : 2) B ¼ A and B ¼ C A ¼ C and C ¼ B B º A and C ¼ A C º A and B º C A º B and C º B
asked by mary 
chemistry
How do you write a conversion factor relating cubic centimeters and milliliters?
asked by rachel 
math
Without writing them all out, what is the number of subsets of set A = {tongue, ear, mouth, eye, nose, cheek, forehead, neck, shoulder}?
asked by jasmine 
math
Given the following set, select the statement below that is true. V = {a, e, i, o, u} 1. v ¡ô V 2. a ¡ô V 3. y ¡ô V 4. o ∉ V 5. V ¨ª
asked by theodore 
math
Given these sets: A = {3, 4, 5, 6, 7} B = {6, 7, 8, 9} C = {2, 4, 6, 8} List the elements of this set A(B¿C) Show work, step by step.
asked by tyson 
math
The National Association for Women in Science asked recent high school grads if they had taken certain science classes. Of those surveyed, 32 said they had taken physics, 51 said they had taken chemistry and 15 said they had taken both. Ten said they had
asked by Liam 
mrs sue
is the answer for the soccer golie question B?
asked by hunter 
English
IN the sentence "The ora does not interest poachers around the island" Is the prepositional phrase around the island and does it describe poachers which makes it an adjective?
asked by Kelly 
english
Why individuals can be denied credit for a number of reasons. Instructor want to include a discussion of sentence variety and the rhythm of the author's writing. need to underline main topics
asked by diane 
Physics
Can't figure this one out. "In a pickup game of dorm shuffleboard, students crazed by final exams use a broom to propel a calculus book along the dorm hallway. If the 3.5 kg book is pushed from rest through a distance of 0.88 m by the horizontal 25 N force
asked by Mark 
English
Hi, for my english essay I have to review a movie that I have seen and kind of do an analysis on it. I have done what I can, but I somehow can't get it to be the 3 page limit, it's still not even close to 2 pages. My rough draft of it was 1 page, and I
asked by y912f 
Chemistry
Hello, I don't really know where to begin with this question. Thanks in advance! Consider the mixing of 10.0 ml of 0.25M K2SO4 with 15.0 ml of 1.10M KCL. What is the concentration of K+, Cl and SO4^2? a) K+___ b) CL___ c) SO4^2___
asked by Natalie 
Advance Accounting
How do I prepare a consolidated elimination worksheet when the parent purchases all of subsidiary's bonds on open market?
asked by Martha 
history
1848 – Discoveries of ____________ found in the west by ____________________.
asked by Anonymous 
trigomometry
I don't think its right . can you correct me please . A.log sin A = 9.91655  10 sinA = 0.82537 A = 55.626° = 55° 34' 35" B.log cot A = 0.11975 cot(A) = 1.317498... A = 37.199 degs A = 37º 11' 56"
asked by anon 
statistics
Are my answers right for the first data set?
asked by Debbie 
english
the most effective way to scan material for information is to
asked by angela 
Algebra
There are 220 calories per 32 grams of cereal mix. Find how many calories are in 55 grams of the cereal mix.
asked by Jam 
English
In the sentence "The Komodo's teeh are dangerous to everyone." Is the prepostional phrase to everyone which describes dangerous making in an adverb? Thanks!
asked by Kelly 
home economics
compute the price elasticity of demand for paint and show calculations? If a gallon of paint went from 3.00 to 3.50 a gallon and the usage of paint drops from 35 gallons a month to 20 gallons a month.
asked by kim 
calculus
find the derivative of 3/ln(3z)
asked by Emily 
seed
what is the simple & complete subject in the following sentence. Heart shaped cards are exchanged in modern times.
asked by joshua 
Calculus
find the derivative of g(a)=sin(arcsin(9a))
asked by Sophie 
applied statistics
Discuss how the General Linear Model assigns the optimal “weights” to predictor variables that allow us to maximize prediction accuracy. How are discriminant functions the optimal weighted linear composites for predicting “membership” regarding the
asked by Sandra 
chemistry
To what volume should you dilute 126 ml of an 7.90 M CuCl2 solution so that 49.5 ml of the diluted solution contains 5.9 g CuCl2?
asked by anna 
English
Thank you very much for your help. Here are some more sentences I'm doubtful about. 1) Being a Renaissance man, Hamlet doubts the existence of an afterlife. 2) He doubts suicide/ He has doubts about committing suicide/ He is doubtful about suicide. He is
asked by Mike 
Organic Chemistry
What is the substrate of the enzyme amylase?
asked by Anne 
english
can someone give me 2 cons for being a game designer please help and thank you
asked by needhelp!!! 
Math
The perimeter of a rectangle is 160 inches the length exceeds the width by 72 inches. Find the length and width?
asked by Shan 
math
How can I get 24 with 2, 2, 7, and 10?
asked by Nia 
physics
what is the formula of frequency w.r.t to waves
asked by ghina 
physics
what is the formula of frequency w.r.t to waves ?
asked by ghina 
PSYC300312 Methods in Psychological Inquiry Inst
PSYC300312 Methods in Psychological Inquiry week 5 assignment
asked by katrice 
math
S = {Chocolate, Vanilla, Mint} 11) ____D_ A) {Vanilla, Mint}, {Chocolate, Mint}, {Chocolate, Vanilla}, {Chocolate}, {Vanilla}, {Mint} B) {Chocolate, Vanilla, Mint}, {Vanilla, Mint}, {Chocolate, Mint}, {Chocolate, Vanilla}, {Chocolate}, {Vanilla}, {Mint} C)
asked by cassie 
maths
how do you plot a shape 90 degrees anticlockwise on the position 2 1. please help me i'm not sure
asked by katelyn 
english
Axia College Material Appendix B Sentence Structure Review Each of the following sentences has one grammatical error. The errors are in one of the following four categories: subject–verb agreement, runon sentence, verb form and tense, or sentence
asked by Anonymous 
childhood
it has been propsed that there is a tendency for parent to trat full term babies better than preterm babies a big reason is ? a. that a full term infants don't cry as much. b. that the behavior of pre term babes is more annoying and irratible c. that pre
asked by alisha 
chemistry
How many moles of argon gas are present in 70L of volume with a pressure of 180atm at 21c?
asked by twynna 
managerial accounting
Submit a paper on one of the major topics listed below using one of the recommended journal articles found in the syllabus as the basis for the paper and incorporating at least two other related articles of the student’s choice: Cost Management
asked by Esteban 
chemistry
How many moles of Kbr are there in 35.8ml of a 0.172M solution?
asked by twynna 
statistics
In a batch of 97 computer diskettes, 8 are defective. A sample of six diskettes is to be selected from the batch.How many of the samples consist of all defective diskettes?
asked by hanna 
quadrilateral and angle sums
what is the measure of a square convex to the nearest degree?
asked by Lexi 
Math
since 2004 is a leap year, how many "remainder" days are in February? Show the division sentence.
asked by Anonymous 
biochemisty
Trypsin can also hydrolyze DLtyrosinepnitroanilide. TrueFalse
asked by Anonymous 
biochemistry
Trypsin can also hydrolyze NalphabenzoylLlysinepnitroanilide. TrueFalse
asked by Anonymous 
social PSY
I need some help with this assignment. I really don't understand this class. Can someone please help me understand it better...thanks! Discuss how confirmation bias can influence perceptions and how some beliefs can actually generate their own confirmation
asked by Mandy 
history
who was the british leader in 1809
asked by Anonymous 
math
The results of a recent television survey of American TV households revealed that 80 out of every 100 TV households have at least one remote control. What is the probability that a randomly selected TV household does not have at least one remote control?
asked by Vanny 
math
dad divied $180 amoung his two sons in the ratio of 4:5. How much did each receive ?
asked by pammy 
Benefits
what are some benefits of attending a post secondary insitution? *improvement of productivity and improvement in earnings *advantages towards Business, government and society What else?
asked by Anonymous