Questions Asked on
February 5, 2012

Medical billing and coding
what convention in the alphabetic index tells you to look elsewhere before assigning a code? a. abbreviation b.note c.summary d.crossreference term
asked by gt 
math
A company employs six people and plans to select a group of two of these employees to receive advanced training. How many ways can the group of two employees be selected?
asked by leigh 
physics
A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the fourth and seventh second of its flight
asked by Anonymous 
Calculus
A ladder 15 feet long is leaning against a building so that end X is on level ground and end Y is on the wall. Point 0 is where the wall meets the ground. X is moving away from the building at a constant rate of 1/2 foot per second. (a.) Find the rate in
asked by Amy 
Chemistry
The heat of vaporization of benzene, C6H6, is 30.8kJ/mol at its boiling point of 80.1 degrees celsius. How much energy in the form of heat is required to vaporize 102g of benzene at its boiling point? I know that the answer is 24.2kJ but i am not sure how
asked by Hannah 
Physics
A child in danger of drowning in a river is being carried downstream by a current that has a speed of 2.35 km/hr. The child is 0.625 km from shore and 0.800 km upstream of a boat landing when a rescue boat sets out. If the boat proceeds at its maximum
asked by Hoss 
chemistry
A 0.100 m K2SO4 solution has a freezing point of 0.43°C. What is the van't Hoff factor for this solution? Kf = 1.86°C/m
asked by Anonymous 
applying stoichiometry
Propane (C3H8) + oxygen> carbon dioxide + water how many grams of carbon dioxide are produced from the reaction of 35.2 grams of propane?
asked by danielle 
Science
Which of the following statements describes the most serious , long term , environmental damage produced by oil spills in the ocean ?
asked by Star 
Physics
A motorist traveling at 30 m/s passes a parked police car. At the instant the motorist passes the police car, the police car starts chasing the motorist with an acceleration of 3 m/s^2. How far does the police car have to travel to catch the motorist?
asked by Krystal 
vocab
whats the root or base word of rebellious,belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive, compel
asked by tony 
Calculus
A man has 340 yards of fencing for enclosing two separate fields, one of which is to be a rectangle twice as long as it is wide, and the other, a square. The square field must contain at least 100 square yards and the rectangular one must contain at least
asked by Amy 
MATH
iF MAN RUNS AN HOUR AND A HALF AT 8 MILES AN HOUR DUE SOUTH, AND THEN HE CONTINUES SOUTH ON A BUS TRAVELING AT 55 MILES AN HOUR , FOR 24 MINUTES. hOW FAR DID HE TRAVEL?
asked by JAN 
mathmatical analysis
a loan of 4000 was repaid at the end of 10 months with a check for 4270. what annual rate of intreste was charged.
asked by Gracy 
physics
Normally the rate at which you expend energy during a brisk walk is 3.6 Calories per minute. (A Calorie is the common unit of food energy, equal to 4184.1 J.) How long do you have to walk to produce the same amount of energy as a 100 W lightbulb that is
asked by John 
Physic
An airplane flew 1000km in 4h. What was the airplanes speed?
asked by Brionna 
Calculus
Let f(x)= √1sinx) (a.) What is the domain of x? (b.) Write an equation for the tangent line to the graph of f at x=0. I mostly just need help with letter B. I think I can get letter a.
asked by Amy 
physics
Normally the rate at which you expend energy during a brisk walk is 3.6 Calories per minute. (A Calorie is the common unit of food energy, equal to 4184.1 J.) How long do you have to walk to produce the same amount of energy as a 100 W lightbulb that is
asked by John 
geometry
ABCD is a rhombus with diagonals intersecting at E. If m
asked by Hannah 
calculus
Cos(pi/12) solve using half angle formula
asked by Abbey 
Science
Helium gas is added to a ballon already partially filled with helium gas the balloon inflated because the
asked by Star 
Physics
At serve, a tennis player aims to hit the ball horizontally. What minimum speed is required for the ball to clear the 0.91 m high net about L = 15.1 m from the server if the ball is "launched" from a height of H = 2.55 m? How far from the end of the
asked by Andy 
Chemistry
Okay, so how would i work out: How would you prepare 1.00 L of a .5M Solution of NiCl2 from the salt NiCl2 x 6H2O, Because what im doing is not working. :/
asked by Kenz 
Chemistry
At what temperature would 1.3 m NaCl freeze, given that the van't Hoff factor for NaCl is 1.9? Kf for water is 1.86 deg C/m.
asked by Becca 
macroeconomics
Suppose that France and Denmark both produce oil and olives. Frances’s opportunity cost of producing a crate of olives is 4 barrels of oil, while Denmark’s opportunity cost of producing a crate of olives is 7 barrels of oil. By comparing the
asked by ann 
Chemistry
Okay, so how would i work out: How would you prepare 1.00 L of a .5M Solution of NiCl2 from the salt NiCl2 x 6H2O, Because what im doing is not working. :/
asked by Kenz 
Physics
A ball is tossed from an upperstory window of a building. The ball is given an initial velocity of 8.15 m/s at an angle of 18.5o below the horizontal. It strikes the ground 3.30 s later. How far horizontally from the base of the building does the ball
asked by Lance 
chemistry
what is the pH of coffee if the [H3O+] is 1*10^5 M?
asked by April 
physics
what is the maximum speed with which a car can round a turn of radius of 80.0m on a flat road if the coefficient of friction between tires and the road is .700?
asked by Shea 
applying stoichiometry
4.00kg nitrogen dioxide reacts with 1.00kg water to produce nitric acid and nitrogen monoxide. Determine the limiting reactant and the theoretical yield of nitric acid in grams. How many grams of excess reactant are present after the reaction is complete?
asked by danielle 
maths
Hexagonal tiles of sides20cm are used to tile a room which measures 6.25m. Assuming we complete the edges by cutting up tiles, how many tiles are needed?
asked by sahar 
chemistry
A sample of water is found to contain 0.059 ppm of Pb2+ ions. Calculate the mass of lead ions per liter of this solution (assume the density of the water solution is 1.0 g/mL) 1.2E2 g/L Pb2+ 5.9E8 g/L Pb2+ 5.9E5 g/L Pb2+ 1.2E5 g/L Pb2+ 2.9E10 g/L Pb2+
asked by Heaton 
science
An object is dropped off of a 27 meter tall building. How long is it in the air before it hits the ground? To measure the height of a tree, a person throws a ball vertically upward, and takes 13 seconds to reach its maximum height which is exactly the
asked by Anonymous 
chemistry
A solution was made by dissolving 62.07 grams of a compound in 500.0 g of water. The compound was not ionic. The freezing point of the solution was measured and found to be – 1.86oC. Using the Kf value in your textbook , the molar mass of this compound
asked by Anna King 
Geometry
I Need help doing a geometry proof. In the figure below, PQ=RS. Prove PR=QS. ____________________ P Q R S
asked by Jennifer 
chemistry
which of the following will result in a chemical change?A.melting ice to obtain water B.evaporating alcohol into vapor.C.drying wood in ashed D.burning coal in a furnace
asked by norman 
physics
A tennis ball of mass 100g is dropped from a height of 40m.It hits the ground and bounces back to a height of 30m after an impact of 0,01s.Ignore the air resistance .what was the velocity of the ball when it hit the ground ?
asked by kulani 
6th grade science
during which phase is DNA duplicated?
asked by kate 
English
F. Scott Fitzgerald dropped out of college to ..... begin writing. get married. join the army. work for his father.
asked by Sara 
Chemistry
How would you prepare 1.00 L of a 0.5 M solution of NiCl2 from the salt NiCl2 x 6H2O
asked by Kenz 
physics
A rock is thrown down with an initial speed of 10.0 m/s from a bridge to the water below. It takes 2.75 s for the rock to hit the water. Find the speed of the rock as it hits the water
asked by nanna 
Physics
A hunter aims directly at a target (on the same level) 61.0 m away. If the bullet leaves the gun at a speed of 176 m/s, by how much will it miss the target? At what angle should the gun be aimed so as to hit the target?
asked by Stacy 
Physics
(a) How much heat in kcal must be provided for a 0.853 kg block of lead to raise the temperature of 0.015 kg block of ice from 5ºC to 0ºC? (b) How much heat in kcal must be provided for a 0.853 kg block of lead to melt a 0.015 kg block of ice from at
asked by Hannah 
statistics
Sweden is reported to have among the highest percentage of citizens aged 80 years and over, at approximately 5.5 % (i.e. 5.5 % of it's population falls within this age category). Suppose 20 individuals are randomly selected from the population, and X is
asked by Brittany 
Physics
A rescue plane wants to drop supplies to isolated mountain climbers on a rocky ridge H = 231 m below. If the plane is traveling horizontally with a speed of 227 km/h (63.1 m/s), how far in advance of the recipients (horizontal distance) must the goods be
asked by Bella 
Physics
A 2kg ball is attached to a 1.5m rope and is swung in a vertical circle. At the top of the swing the ball travels at 5 m/s. What is the tension in the rope?
asked by Krystal 
computer science
Use the Library and other resources to write a "workfromhome" policy manual for an insurance company, educational institution, or another organization concerned about protecting an individual's privacy. Your manual should include policies to cover remote
asked by shutera 
geometry
If arc BC measures 80 degrees, then angle BAC measures 80 degrees true or false?
asked by Anonymous 
chemistry
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq). Calculate the change in pH when 6.00 mL of 0.100 M NaOH(aq) is added to the original buffer solution.
asked by Katie 
Chemistry
What is the equilibrium concentration of carbon dioxide in water that is in contact with air at 25 °C and 2.55 atm. The mole fraction of CO2 in air is 3.01 x 104. The Henry's law constant for carbon dioxide is 4.48 x 105 M/mmHg. 0.583 M 8.68E2 M 6.72 M
asked by Heaton 
physics
to move a crate across a rough floor ,you push on it at an angle of 21degrees below the horizontal. find the force necessary to star the crate moving ,given that the mass of the crate is32kg and the coefficient of static friction between the crate and the
asked by shadad 
verbal linear equations
a taxi costs $2.75 for the first quarter of a mile and $0.85 for each subsequent quarter mile.A ride that cost $23.15 is how many miles longer than a ride that costs $17.20?(please i don't want example show me how u work it out )
asked by tanya 
Social Stuides
DURING THE 1840'S MANY MORE AMERICANS THAN BRITISH SETTLED IN THE OREGON COUNTRY HOW DID THIS INFLUENCE THE NEGOTIATION OVER THE TERRITORY
asked by Lori 
science
Can you help me with these question(s) please??? What substance does a cell use to power active transport? Describe the movement of material during diffusion. Describe the movement of material during active transport. I would appreciate any help
asked by runnimg.from.myself 
Finance
Suppose you believe that the economy is just entering a recession. Your firm must raise capital immediately, and debt will be used. Should you borrow on a longterm or a shortterm basis? Why?
asked by Chantel 
Physics
At the beginning of a basketball game, a referee tosses the ball straight up with a speed of 5.4 m/s. A player cannot touch the ball until after it reaches its maximum height and begins to fall down. What is the minimum time that a player must wait before
asked by Nett 
math
An ad campaign for a new snack chip will be conducted in a limited geographical area and can use TV time, radio time and newspaper ads. Information about each medium is shown below. Medium Cost Per Ad # Reached Exposure Quality TV 500 10000 30 Radio 200
asked by Anonymous 
chemistry
A sample of magnesium weighs 10 grams. How many moles of magnesium are there in the sample? 0.4 moles?
asked by kr 
Physics
You are driving south on a highway at 24.0 m/s (approximately 54 mi/h) in a snowstorm. When you last stopped, you noticed that the snow was coming down vertically, but it is passing the windows of the moving car at an angle of 26.6° to the horizontal.
asked by Jeremy 
chemistry
How many carbon(C) atoms are present in 30. mol of carbon? 1.8*10^25
asked by kr 
trig
A race driver has a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitude is 5.5 m/s^2; after 3.6 s he enters the main speedway. At the same instant, another car on the speedway and traveling
asked by Anonymous 
Physical Anthropology
Given the organic remains associated with the fossil, what method might yield a robust chronological date for Spy 2, a Neanderthal from Beligum?
asked by taylor B 
math
find tangent line to the circle x^2 + y^2=100 at point (6,8)
asked by Declan 
Physics
An enemy ship is on the western side of a mountain island. The enemy ship can maneuver to within 2520 m of the 1850 m high mountain peak and can shoot projectiles with an initial speed of 260 m/s. If the eastern shoreline is horizontally 305 m from the
asked by Jenny 
math
each of the 15 student council members of Blakemore Elementary School is responsable for telling exactly 2 other students about the upcoming school pep assembly. Each of those 2 is then responsable for telling 2 other students. It takes 15 minutes for each
asked by jimmy 
algebra
With a tailwind, a bird flew at a ground speed of 3 mi/hr. Flying the same path against the same wind, the bird travels at a ground speed of 1.5 mi/hr. What is the bird's air speed? What is the wind speed?
asked by tean 
college mathematics
Given the argument and its Euler diagram below, determine whether the syllogism is valid or in valid. All painters use brushes. Some people who use brushes are teachers. Some painters are teachers. (The second sentence is suppose to have a line underneath
asked by cody 
Physics
A projectile is fired in such a way that its horizontal range is equal to 2.6 times its maximum height, what is the angle of projection?
asked by Boone 
science
Which wave property can best explain the apparent bending of a pencil when its dipped in to a glass of water?
asked by reyna 
Chemistry
Calculate the number of mL of hydrogen gas at 27 degrees Celsius and 640 Torr produced by the reaction of 0.520 grams of magnesium with excess hydrochloric acid.
asked by Noah 
physics
n outer space, far from other objects, block 1 of mass 40 kg is at position (7,9,0) and block 2 of mass 1000 kg is at position (17,13,0) Since the z components of position are zero, the (vector) gravitational force acting on block 2 due to block 1 will be
asked by mo 
Physics
An athlete executing a long jump leaves the ground at a 32.5° angle and travels 7.72 m. What was the takeoff speed? If this speed were increased by just 4.9 %, how much longer would the jump be?
asked by Zeek 
MATHEMATICS_algebra
How many integers between 100 and 200 are divisible by 6? (are there any shortcut method to get this?)
asked by PDF 
Physics
A projectile is fired from ground level with a speed of 40 m/s at an angle of 30 degrees and hits a building 100m away. What is the time of flight of the projectile? How high above ground does the projectile hit the building? What is the speed of the
asked by Krystal 
chemistry
For each, give the total number of electrons, the number of valence electrons, and the number of the energy level that holds the valence electrons. Br35 electrons7 valence4th level Kr36 electrons8 valence4th level As33 electrons5 valence4th
asked by kr 
calculus
an equivalent representation of the definite integral of 3 to 1 2xcos(x^2)dx is
asked by illy 
Mathamatics 101
An angle is 35 degrees more than 4 times its supplementary angle. Find the measures of the two angles.
asked by Tim 
biology
why do serum protein molecules such as albumin and lysozyme adopt different changes within physiological pH range?
asked by terry 
Algebra
Mildred makes $3 an hour babysitting and $6 an hour when she works at Wendys. Her parents do not want her working more than 20 hours per week. Mildred would like to earn at least $70 a week. Write a system of inequalities that show the number of hours she
asked by Tara 
Chemistry
What is the percentage yield of 10.1g mg reacts with an excess of water and 21.0 g Mg(OH)2 is removed ?
asked by Alondra 
pre calculus
The graph of a onetoone function is shown below. Draw the graph of the inverse function, f^(1) , and submit it to the Dropbox. Please show your work
asked by jessica 
maths
Christopher has cut three pieces of string to three kites.two pieces are equal length. rhw third pieces is one half of the lenght of each of the others. he cut out the three pieces from a roll of string 70 meters long without any String left over.Find the
asked by tanya 
chemistry
why must scuba divers ascend to the surface at a controlled rate after a deep sea dive?
asked by Green 
calculus
int_(2)^2sqrt(4x^2)text()dx evaluate the integral
asked by DJ 
Physical Anthropology
KNMER3733, a fossil cranium from early Pleistocene, was found in a stratigraphic sequence in East Africa (Koobi Fora).What methods might be useful to estimate a chronological date for the fossil? What additional techniques might support the chronometric
asked by taylor B 
math
...A woman has a total of $9,000 to invest. She invests part of the money in an account that pays 5% per year and the rest in an account that pays 12% per year. If the interest earned in the first year is $730, how much did she invest in each account?
asked by sally 
6th grade science
what are the four phases of mitosis??? ,,,
asked by kate 
Algebra
I need help with a riddle my Algebra teacher gave us? Why did the square root of 9 refuse to discuss anything with his brothers cubed root of 9, 1 ninth and the square root of negative 9?
asked by Mary 
physics
Veronica angrily throws an engagement ring straight up the roof of a building 12m above the ground with an initial speed of 6m/s from the ground to the hand.(a)calculate the average velocity of the ring (b)calculate the height from the ground to the
asked by Clever watson chindumba 
statistics
An internet supplier of refilled ink cartridges for ink jet printers sold cartridges to 30,000 customers over the past two months. A random sample of 1000 of those customers revealed that 18% were not happy with their purchase. The margin of error was 2%.
asked by Anonymous 
equation for circle
find the equation of a circle. the endpoints of the diameter of a circle are (3,2) and (7,6).
asked by Declan 
PHYSICS
Let say I have a chandelier that hangs from the ceiling. My chandelier weighs 75kg, how much tension is in the cable that connects it to the ceiling? what is the formula for this and how do I figure out the tension?
asked by GRISSELL 
chemistry
Using a periodic table, determine the number of electrons held in energy levels 13 of each atom. B2 in level 13 in level 20 in level 3 C2 in level 14 in level 20 in level 3 Mg2 in level 18 in level 22 in level 3
asked by kr 
science
Can you help me please? List at least three ways in which insects can help humans? 1. Bees can help by the honey they make. it can be used by humans in many ways. 2. They help the ecology by being producers, consumers and decomposers in the food chain. 3.
asked by Reed 
chemistry hw question
Magnesium hydroxide + hydrogen chloride> magnesium chloride + water How many grams of magnesium chloride can be produced from 14.60 mL of a 0.546M hydrogen chloride solution?
asked by danielle 
vocabulary
answer each question based on your understanding of the boldfaced vocabulary what are some situation when levity is out of place
asked by tony 
Social Studies
How did the belief in Manifest Destiny influence western settlement
asked by Lori 
Physics
A diver running 1.69 m/s dives out horizontally from the edge of a vertical cliff and 3.11 s later reaches the water below. How high was the cliff, and how far from the base did the diver hit the water?
asked by Anthony 
Physics
what is the maximum speed with which a car can round a turn of radius of 80.0m on a flat road if the coefficient of friction between tires and the road is .700? My teacher said two substitutions and I don't have a mass. Thanks (:
asked by Kelli 
English
Thank you very much! As to the linguistic objectives, I included a few more things but I don't know if the logical sequence is correct (I think some points could be omitted). As you are also an English teacher, I really hope you can help me organize the
asked by Henry2 
math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 3x – 5y = 61 7x – 5y = 9
asked by Shirley 
Physics
A diver running 1.69 m/s dives out horizontally from the edge of a vertical cliff and 3.11 s later reaches the water below. How high was the cliff, and how far from the base did the diver hit the water?
asked by Anthony 
AP Physics
Three blocks of masses 8.2 kg, 5.88 kg, and 2.19 kg are connected by light strings that pass over frictionless pulleys as shown in the ﬁgure. The acceleration of the 5.88 kg block is 2.18 m/s 2 to the left and the surfaces are rough. The acceleration of
asked by . 
English
Thank you very much. I just have a few doubts about an email I need to write. Students will be able to.. 1) use recordings to monitor grammatical errors in spoken English 2) Prof. ... has completed part D in Italian (points 26). I translated them into
asked by Henry2 
physics
A truck of 5000kg hits a car of 1500kg at an intersection. After the collision, both vehicles remained glued together and slid over a distance of 30 meters before coming to a halt. Knowing that the coefficient of kinetic friction between both vehicles and
asked by Raf 
math
There are 36 chickens and dogs in the cage, with a total of 100 legs. How many chickens and dogs are there
asked by jasmine 
physics  Heat transfer
A round scar of area 'A' is formed on the chest of a man of temperature 37C. The rate of heat radiated from this scar is 1% more than that from the remaining part of the body. What will be the excess temperature at this scar over other parts of the body?
asked by uma 
MATHEMATICS
Find the sum of the multiples of 6 between 115 and 245.
asked by PDF 
math
Write an equation of the line containing the given point and parallel to the given line. (6,7):9x8y=3 The equation of the line is y=
asked by Kristi 
physics
Two point charges, 4.0 µC and 2.0 µC, are placed 5.4 cm apart on the x axis, such that the 2.0 µC charge is at x = 0 and the 4.0 µC charge is at x = 5.4 cm. (a) At what point(s) along the x axis is the electric field zero? (If there is no point where
asked by anybody 
Physics
A ball is thrown upward from the top of a 50.0 m tall building. The ball's initial speed is 12.0 m/s. At the same instant, a person is running on the ground at a distance of 44.0 m from the building. What must be the average speed of the person if he is to
asked by Kelly 
algebra verbal linear equation
Allison has a square root flower garden and Lauren has a rectangular flower garden the width of the rectangular garden is 2 yards less than a side of the squaare garden and the length of the rectangular garden is 5 yards more than a side of the square
asked by tanya 
6th grade math
the expression 4  p is equivalent to "four minus a number", but not to "a number minus four".explain why.
asked by kate 
Logics
"My husband snores. All men must snore" committs which of these fallacies? a. hasty generalization b. appeal to pity c. false cause d. post hoc ergo propter hoc
asked by Mary 
Physical Anthropology
Given the numerous large and small mammalian remains associated with the fossil, what method might be useful to estimate and absolute data for DNH 7, a nearly complete cranium of Australopithecus robustus from the Drimolen site in South Africa?
asked by taylor B 
Physics
what is the maximum speed with which a car can round a turn of radius of 80.0m on a flat road if the coefficient of friction between tires and the road is .700? My teacher said two substitutions and I don't have a mass. Thanks (:
asked by Kelli 
geometry
the area of a triangle is 6x^2x15. find its height if the base of the triangle is 2x+3
asked by Brian 
calculus
Find all solutions to the equation in the interval [0,2pi) Cosxcos2x
asked by Abbey 
physics
a cannon fire a bullet into a castle. leave the gun with velocity of 110 with an angle of 20. the bullet reaches highest point at P when it is 1 m above the castle. What is the height of the top of the castle? and waht is the horizontal distamce between
asked by Elise 
chemistry
how much NaOH (in grams)do you need to weigh ouMt to make 250ml of a 0.5M naoh solution.... i got 5.0g is this right?
asked by aaa 
PHYSICS
A 578 Newton person takes an elevator from the first floor to the second floor of a building. The elevator quickly accelerates at a rate of 1.1 m/s^2 and then moves at a constant speed. Find the passenger's apparent weight during this period of
asked by GRISSELL 
English
Hello. I apologize for bothering you with similar questions but I'm supposed to explain the difference in tenses in the following English sentences taken from the original English press. Will you help me please? The context is absolutely the same, but the
asked by Ilma 
chemistry
write a balanced chemical reaction representing the combustion of hexane? C6H14
asked by April 
spanish
I want to write sentences about asking people questions. The questions have to do with the future, so in some sense I guess they are hypothetical. I want to know if that means that I use the (imperfect) subjunctive as hypotheticalsI think so, but I want
asked by lee 
Physics
By what factor is the resistance of a copper wire changing when its temperature is increased from 20 degrees Celsius to 120 degrees Celsius? The temperature coefficient of resistivity for copper = 3.9 x 10^3 (C)^1.
asked by Lindsay 
intermediate algebra
A triangle is such that the largest angle is 11 times the smallest angle. The third angle is 27° less than the largest angle. Find the measure of each angle. (Enter solutions from smallest to largest.)
asked by jess 
Algebra
The twin theater charges $7 for adult tickets and $4 for children 12 or under. The theater has 470 seats. The manager wants to have a nightly income ( two shows) of at least $5000. Write a system of inequalities for the number of children and adult tickets
asked by Tara 
applying stoichiometry
10.0 g aluminum reacts with 66.5g bromine to form 65.0g aluminum bromide. determine the limiting reactant and calculate the theoretical and percent yield. once the reaction has occured as completely as possible, what mass of the excess reactant is left?
asked by danielle 
Multon Middle
A 5. pellet of aluminum at 20 degrees celcius gains 200 joules of heat. What is its final temperature? [specific heat of Aluminium, c=920 j/Kg. degrees celcius)
asked by j nager 
math for elementry school teacher
Step 1st: 1 Box Step 2nd: 3 Boxes Step 3rd: 6 Boxes How many boxes in the 354th version? How many in the nth version?
asked by deadlove 
Physics
A 40kg block is pushed along a level surface with a 200 N force at an angle of 35 degrees below the horizon. The coefficient of kinetic friction between the block and the surface is 0.15. What is the normal force acting on the block? What is the force of
asked by Krystal 
math
Bobby has only pennies, dimes, and quarters. One half of Bobby's coins are pennies. One fourth of coins are quarters. Three of his coins are dimes. How many coins does Bobby have?
asked by Anonymous 
calculus
integral(sin(2x)+5tan^2 x csc^2 x)dx=
asked by illy 
geography
1. What gulf is north of Somalia and south of Yemen? The Gulf of Aden 2. What is the capital of Trinidad and Tobago? Port of Spain 3. What large river in Eastern Europe passes through Vienna, Austria, and Budapest, Hungary? The Danube River 4. Along what
asked by Reed 
calculus
All wedges of a cube are expanding at a rate of 6 cm/sec .How fast is the surface area changing when each edge is (a) 2 cm and (b) 10cm
asked by sthevanie 
Physics
A football is kicked at ground level with a speed of 20.7 m/s at an angle of 34.6° to the horizontal. How much later does it hit the ground?
asked by Stella 
Physics
A place kicker must kick a football from a point 25.5 m from the goal, and must clear a crossbar that is 3 m off the ground. When kicked the ball leaves the ground with a speed of 21.9 m/s at an angle of 54o to the horizontal. By how much does the ball
asked by Roger 
Math(calculus)
Evaluat d 4lowing1.lim x/x x>0 2.lim x>1 sqrt(x^2+2 sqrt3)/x1 3.lim n>~ f(n)=(1+1/n)^sqrtn 4. limx>0 f(x)= (12^x3^x4^x+1)/xtanx 5. Lim x>3 (x^n3^n)^n/(n3)^n
asked by Bash 
Calculus
Find the equation of the tangent line to the curve y = sqrt (x+5) at the point (4,3)
asked by help1 
PHYSICS
A 650 newton skydiver jumps out of a plane at an altitude of 5000m. 8 seconds after he stops accelerating, he is moving at 50m/s. How large is the air resistance acting against him? less than 650n Equal to 650 N Greater than 650N Is this enought
asked by GRISSELL 
Math
Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.5
asked by Shirley 
algebra
please could you check my answers and fix them if needed? label each statement true or false . if false correct the underlined portion A. if 3 < x then this underlined 3 + y 3 or w  7 < 3 I put true thank you ann
asked by ann 
calculus
integral(sin(2x)+5tan^2 x csc^2 x)dx=
asked by illy 
calculus
All wedges of a cube are expanding at a rate of 6 cm/sec .How fast is the surface area changing when each edge is (a) 2 cm and (b) 10cm
asked by sthevanie 
PreCalc
The vecotr u= gives the number of two models of laptops produced by a company. The vector v= gives the prices (in dollars) of the two models of laptops, respectively. Identify the vector operation used to increase revenue by 3.5% Please help, I don't even
asked by Lafanda 
MATHEMATICS
If P is a point on the segment joining X(2,2) and Y(8,3), find the coordinates of point P if XP:PY = 2:3.
asked by PDF 
physics
a box slides down a frictionless hill. the spring stops it. when the box stops how much has the spring compressed. the hill is 5m high, the mas of the box is 20 kg, and the spring constant is 350 n/m
asked by joe 
algebra
If you have a ladder that is 8 feet tall and that can extend to 15 feet tall. what is the inequality for this problem?
asked by kato 
literature.......
Is this a good beginning to a story: "As he lay on the ground unconscious, is hand in mine, I saw movement from the corner of my eye and turned to see him the man I despised most." Thank You GGKK P.S. It is a realistic fiction story about a young girl in
asked by running.from.myself 
algebra
the sum of two adjacent angle is 80°the larger angle is 8°less than 3 tines the smaller find the number of degrees in each angle
asked by tanya 
chemistry
How many moles of nitrogen is 1.52 × 10 17 nitrogen atoms?
asked by kr 
algebra equation
give the general formulas for the integer solutions of x^2 + y^2 = z^2. what is x,y, and z when me=18 and n=11
asked by luckybee 
science
A race car travels northward on a straight, level track at a constant speed, traveling 0.777 km in 16.6 sec. The return trip over the same track is made in 21.7 sec. What is the average velocity of the car for the FIRST leg of the trip? What is the average
asked by Anonymous 
math
aaron is skipping stones across a pond.(A "skip"is a short bounce in the water.)The first stone skips 1 time, the second skips 2 times, the third stone skips 4 times,and the fourth stone skips 8 times. if this patten continues,how many total skips will the
asked by jimmy 
Math
Find approximations of the given value f(x)={4; 4>x {x^2 2
asked by Ann 
medical billing and coding
A physician provides an office consultation for a new patient. The history and examination levels are comprehensive and the medical decision making is of high complexity. what is the correct code for this situation?a. 99245 b.99255 c.99254 d.99244
asked by gt 
math
How many gallons of water can be contained in a cylindrical tank that is 6ft in diameter and 15ft deep?
asked by Kriztee 
intermediate algebra
A triangle is such that the largest angle is 11 times the smallest angle. The third angle is 27° less than the largest angle. Find the measure of each angle. (Enter solutions from smallest to largest.)
asked by sally 
English
Everything is perfect. I just have to vary point 1. I included a further point for you to check. Thank you very much. I think we have to vary some of the sentences. 1) Involvement of the classes of the participating students (Only 10 students belonging to
asked by Henry2 
English
Hello If you had a topic "Murphy s law" and you had to work on it in the classroom for 90 minutes, what would you do? I have a text on Murphy s law, I thought to teach the children time clauses. My idea: work on the text for 45 minutes and then introduce
asked by Mark 
applying stoichiometry
nitrogen + hydrogen> ammonia How many grams of ammonia can produced from 3.47 moles of hydrogen?
asked by danielle 
algebra
i did not get a response so i am rewording question . please help if you can. thanks ann store A charges 9.75% tax store B charges 7.25% tax If a shopper's pre tax receipt is between $11.57 and $81.43, write a compound inequality that describes the
asked by ann 
English
Writeacher, I think I should also improve a point related to the students' involvement. In particular, the last part should be clarified. Thank you. 1) A focus group, led by the school principal and made up of participating students, the contact person,
asked by Henry2 
Algebra Math
Thank You, Declan for answering my question, but I am still haiving trouble on the problem, could you explain to me of how you went about getting the answer 55/4, in deeper detail.
asked by Kristi 
Physics
A 700 kg car is pulled up a hill at a 10 degree hill with a 1500N force acting parallel with the hill, friction can be neglected. What is the work done by the pulling force? What is the work done by gravity? If the initial speed of the car is 4 m/s, what
asked by Krystal 
algebra eqution
V=h[( (a+b)/2)^2 + 1/3( (ab)/2)^2] showing all steps that it reduces to following: v=h/3(a^2 +ab+b^2)
asked by luckybee 
american history
Examine the debate between the rights of the Federal government versus the rights of the State governments. Provide detailed examples of how these issues were debated up to 1877, comparing and contrasting the various perspectives.
asked by LYNN 
geography
1. What large desert in Africa is almost as big as the forty eight contiguous states in the United States? The Sahara Desert 2. The delta of what river is south of the island nation of Trinidad and Tobago? The Oronico River 3. What is the natural boundary
asked by Reed 
Speech
Whether it’s shopping for the newest fashion, dining at a high quality restaurant, or spending the night at a worldclass hotel, the Magnificent Mile is the place to go. does this sentence have a triad in it? thanks
asked by Rebekah 
Math Lit
In a school there are 122 grade 8s, 105 grade 9s, 134 grade 10s, 109 grade 11s, 90 grade 12s. Express Each Class as a percentage of the whole school.
asked by Thabo 
Math Lit
A second hand car was put up for sale for R65000.After 2 months it had not sold,and the shop marked it down to R58000. What was the percentage decrease?
asked by Thabo 
Balkan Peninsula
What is the multiplier effect???
asked by runnimg.from.myself 
Calculus
Integrate [1/square root of(e^(2x)1)]. I have to use u substitution. We are doing the integrals of inverse trig functions, but I cannot get it to work out!
asked by Elaine 
math lit
How much is an iteam sold for,if the marked price is "R569c les 12 and half% Discount?
asked by Shanna 
Calculus
Integrate [sinx/(1+cos^2(x))] from pi/2 to pi.
asked by Katy 
chemistry
A 40year old man, at a prominent legal firm experiences abdominal pain post lunch. He takes several trips to the restroom, but continues to experience pain and cramps. He decides to go to the doctor and admits he consumed 2 bottles of beer @ lunch. The
asked by Sara 
reading
What steps you would take in order to be a writer when you grow up? PLEASE HELP I DON'T KNOW WHO TO ANSWER THIS QUESTION
asked by maryam 
Physics
A 300L water tank is 2.8m above the ground and constantly refills itself to always have 300L present. A pipe with a diameter of 12.5mm runs from it to the shower. Due to gravity, work out how many litres per minute are produced?
asked by Em 
physics
A rock dropped from an airplane falls for 13.6 seconds before hitting the ground. How far above the ground was the airplane when the rock was dropped?
asked by Beth 
Math
Suppose 27 out of 50 people living in one neighborhood of a communtity excersise reguarly. How many people in a similar community of 2,600 pepople can be excpcted to excersise reguarly?
asked by Kiana 
math
If my principal is 232 and my interest is 3% and I put the 232 dollars in the bank for 2 years ,how much money will I have at the end of the 2 years
asked by Anonymous 
inglish communication
in which of the following is the word agreeable divided corretly into syllables?
asked by Sherley 
Chemistry(Please help, thank you)
1/2.165 = sqrt x/131.29. I am not sure how to solve for x.
asked by Hannah 
math
aaron is skipping stones across a pond.(A "skip"is a short bounce in the water.)The first stone skips 1 time, the second skips 2 times, the third stone skips 4 times,and the fourth stone skips 8 times. if this patten continues,how many total skips will the
asked by jimmy 
algebra
The third angle in an isosceles triangle is 56° more than twice as large as each of the two base angles. Find the measure of each angle.
asked by sally 
math
john types 20 pages in 40 min, sue types 20 pages in 30 min, bob types 20 pages in 24 min. working togehter how long to type 20 paqes
asked by cliff 
English
I forgot to add a point to the linguistic objectives. By the way, what do you think of the linguistic objectives I included? 1) achieve high levels of competence in English as a preparation to (endyear/lastyear of high school) English CLIL (Content and
asked by Henry2 
Physics
A 2kg block is subject to a 6N and 8N forces which are perpendicular to each other. what is the acceleration of the block. There are no other forces acting on the block.
asked by Krystal 
Physics
A car goes around an unbanked circular track with a radius of 500m. The coefficient of friction between the tires and the track is .4. What is the max speed such that a car does not skid?
asked by Krystal 
I need Help!
An Example of where a difficult academic challenge would confront you in school? And how would you deal with it?
asked by Nina 
math
aaron is skipping stones across a pond.(A "skip"is a short bounce in the water.)The first stone skips 1 time, the second skips 2 times, the third stone skips 4 times,and the fourth stone skips 8 times. if this patten continues,how many total skips will the
asked by jimmy 
vocabulary
it doesn't have the root word
asked by tony 
English
Hello. Thank you for your answers. One more question please. Do you think it's possible to say "to prepare" or "to make" an election program? Thank you.
asked by Ilma 
intermediate algebra
The third angle in an isosceles triangle is 1/2 as large as each of the two base angles. Find the measure of each angle.
asked by matt 
hinds
A boat moves 20.6 km across a lake in 34 min. What was the average speed of the boat in kilometers per hour?
asked by linda 
Math(calculus)
If f(x)= sqrt(9x^212x+4)/(15x^2+2x8),what is d domain of the function. And what is it in absolute value(abs)
asked by Bash 
calculus
Let f(x)=integral of x to 1 (4t^2sint)dt
asked by illy 
Math
Simplify the15.4 degree
asked by Sushil 
English
Writeacher, could you please check if the sentences are correct? Thank you. (I included my doubts in parentheses) Integration into ongoing activities 1) Involvement of the classes of the participating students 2) Closer examination (or indepth analysis)
asked by Henry2 
geographygrade 7
How many years has Canada been trading with countries in Europe?
asked by ashley 
physics
a 2.5 kg mass is connected to a spring. when a 4N is applied to the spring it compresses 2cm. if the spring is stretched and then the mass is released, what would be the period of the motion.
asked by john 
science
Which wave property can best explain the apparent bending of a pencil when its dipped in to a glass of water?
asked by reyna 
Public Health
Do you think it is ethical not to report the side effects of an experimental drug to the government because the beneficial effects are more important? Why?
asked by Jennifer 
Public Health
A screening test was used to identify carriers for a gene causing prostate cancer. Discuss the social, legal, and moral implications of using the results of the test.
asked by Jennifer 
Chemistry
ln p2/368.3 mm Hg = 24900 J/mol / 8.314 J/k mol [1/259.7K  1/247.4K] I am having trouble doing the mathto solve for p2.
asked by Hannah 
Corporate finance
Asume a project has the following returns for year 1to 5: 15%, 4%, 13%, 34%, 17%. What is the approximate expected return on this investment?
asked by Georgette 
Calculus
Given the vector u=,v=. A) compute the area of the parallelogram determined by u and v . B) compute the vector. UxV
asked by Devin Boutte 
chem
why does a car tire's pressure increase during summer months? why do they under inflate during winter months? does a basketball bounce higher when the air inside it is cold or warm? thanks!
asked by Skye 
chemistry
using the conversion of mass if the reactant has 4 atoms of calcium how many atoms of calcium will the product have?
asked by beth 
chemistry
How many moles of iron is 67.9 g of Fe? 1.22 moles Fe? How many grams of iron is 6.57 × 102 mol Fe? 3.66 g Fe
asked by kr 
physics
Is 524,3 a floating or fixed point? Is 524,30 a floating or fixed point?
asked by Lizzy 
10th grade Math ShadowPull questions
AC=12 Db=32 AD=x
asked by Mike 
Algebra
Point nine multiplied by one over seven what's the answer and show your work ?
asked by Anonymous 
Calculus
Find the unit vector that is parallel to but has opposite direction as the vector m=
asked by Devin Boutte 
calculus
limit(2*(square root x)  (square root x+2)) x approaching infinity
asked by tamara 
algebra
solve; 3xy=5, 2x+5y=14
asked by Brandy 
algebra
5x2=y, 10x=4+2y
asked by Brandy 
vocabulary
need root or base word
asked by tony 
biology
why do serum protein molecules such as albumin and lysozyme adopt different changes within physiological pH range?
asked by terry 
calculus
int_(2)^2sqrt(4x^2)text()dx evaluate the integral
asked by DJ 
Math(calculus)
If f(x)= sqrt(9x^212x+4)/(15x^2+2x8),what is d domain of the function. And what is it in absolute value(abs)
asked by Bash 
Math(calculus)
If f(x)= sqrt(9x^212x+4)/(15x^2+2x8),what is d domain of the function. And what is it in absolute value(abs)
asked by Bash 
English
Hello. I'll be grateful if you say whether the following is correct: "Presidential candidates in Russia are currently preparing (making)their election programs." Thank you very much for help.
asked by Ilma 
History
Why Was It Possible For One Event To Cause A War Among So Many Countries ? (Cite Specific Evidence).
asked by Remy 
calculus
x +13/x16 less than or equal to solve the following inequality
asked by Anonymous 
medical billing and coding
which ones of the following subcategories of the E/M section has separate codes for new and established patients? a. office ir ither outpatient services b. emergency department services c. initial inpatient consultation d. hospital observation services
asked by gt 
math
y=2x^2+3/x1 how would you find the x intercept and vertical asymptote?
asked by greeny 
Improving your writing!
Results are in ....I got a 92% :) thanks again !!! On to the next paper !
asked by Shawna 
science/physics
A 230kg ball moving at velocity of 25m/s collides with a 420 kg ball that is not moving. What is the final velocity after contact
asked by Francisco 
math
on november 1, the holiday house store marked up a $50 decoration by 30%. On November 28, the decoration was marked down 10%. It was marked up 20% on sales on December 1. Finally it was marked down 70% on December 26. Find the final selling price
asked by betty 
precalc
1/x is less than or equal to 4/x^3
asked by Declan 
algebra
Find the slope. (3,1/3) and (3+h, 1/(3+h)) I think I get 1/ 3(3+h) ???
asked by L.Bianchessi 
Chemistry
1/2.165 = sqrt x/131.29. I am not sure how to solve for x.
asked by Hannah 
science
Which wave property can best explain the apparent bending of a pencil when its dipped in to a glass of water?
asked by reyna 
English
Thank you very much. I just want to be sure that I rewrote this sentence correctly. I added a few more things I need to include in an email. 1) improve spoken English skills by interacting successfully with other students effectively. 2) I'm really sorry
asked by Henry2 
English
Hello. Will you help me with one more sentence please? Is the sentence correct: "The letter will be done by 5 pm." I mean, is "done" in the meaning "finished" possible here? Thank you.
asked by Ilma 
U.S. history
Is Las Vegas the gambling capital of the US?
asked by Blaze 
English
Hello. Will you please check the sentence for me? "The two sides have conducted negotiations and reached a compromise." Is it grammatically correct? Thank you very much for help.
asked by Ilma 
Math: Pre Cal
f(x) = {−8 if −3 ≤ x ≤ 0 {x if 0 < x ≤ 3 Evaluate the given expressions. a)f(1)= b)f(0)= (^Teach how to do this.) What is the formula? a)(−8)*(x > −3)*(x >= 0) + (x)*(x 3) b)(−8)*(x >= −3)*(x 0)*(x
asked by Anonymous 
chemistry
will KCl conduct more electricity than AlCl3 because K has less ionization energy than Al?
asked by curious 
Social Studies
Give a detailed acoount for all the events the Guyana national anthem wre used at.
asked by Sasha 
Math
Find and Simplify. f(x) = 5 − x^2 a)f(x + h) − f(x) b)(f(x + h) − f(x))/h a) I got 2xh+h^2 b) I got 2xh+h I don't know what is wrong, but the answer is incorrect. Thank you.
asked by Anonymous 
calculus
∫ t ln(t2)dt
asked by calculus 
math
John wants to put a lace edge around a square piece of cloth. If the cloth is 4 inches wide on one side, how long of a piece of lace should Melina cut?
asked by Kelsey 
math
it takes a skier 30 seconds to ski down the 1st mountain to the second mountain that is 40 feet above ground. it takes the skier 6 seconds per foot to slide down. how many feet above ground is the 1st mountain?
asked by jack 
Math(calculus)
Evaluate lim n( In(n+1) In n ) as n> infinity
asked by Bash 
Math
Evaluate lim x/x x>0
asked by Bash 
Math
Evaluate lim x/x x>0
asked by Bash 
physics
How to calculate the potential energy in a CR circuit with a resistor and 10microfarrad capacitor before the switch is closed. the capacitor has a charge of 100 v and two seconds after the switch is closed looses 37% of its original value.
asked by jonathan 
English
Here is the second part of the objectives. 5)use communication strategies that will help them to compensate for language gaps they may have in their current speaking skills 6) interact successfully with both their group mates and partner students as a
asked by Henry2 
Algebra
Find approximations of the given value f(x)={4; 4>x {x^2 2
asked by Anonymous 
Math
First, give the technology formula for the given function and then use technology to evaluate the function for the given values of x. (Round your answers to four decimal places.) r(x) = 4x2 + 1/4x2 − 1; x = −1, 0, 1, ..., 9 f(6)= f(7)= For f(6), I got
asked by Anonymous 
Sociology
How to start my thesis statment according with C. Wright Mills about my autobiography and how relates research papers with this theme?
asked by Maria 
algebra
can someone help me write this as a single radical expression √3:(7) * √4:(3)
asked by Sharon 
Math
f(x) = {−8 if −3 ≤ x ≤ 0 {x if 0 < x ≤ 3 Evaluate the given expressions. b)f(0)= Teach me how to do this, because I don't seem to get the right answer. Thank You.
asked by Anonymous 
anthropology
Decision made by colonial powers were generally made on the basis of
asked by monalisa 
Math (algebra)
It takes 5 people 24 min to set up all the tables in the restaurant. how long will it take 3 people to set up all the tables? With formula please.
asked by Andrew 
calculus
let g(x)=integral x to (1/2) square root (t^3+1)dt .find g'(x)
asked by lyna 
chem
explain why bubble wrap pops when u squeeze it
asked by Skye 
calculus
limit(2*(square root x)  (square root x+2)) x approaching infinity
asked by tamara 
intermediate algebra
The third angle in an isosceles triangle is 1/2 as large as each of the two base angles. Find the measure of each angle.
asked by matt 
math alg2trig
how would you find the horizontal and vertical asymptote of y=x+2/x3 and y=3x+2/4x5? thanks
asked by Skye 
Diversity Essay
This is my second essay, please I want some constructive criticism on this. Moreover this site does not give away our essays so they can be seen as plagiriazed correct? In my long distance trip to United Arab Emirates which I also call home, I volunteered
asked by Hero 
Math
Evaluate lim x/x x>0
asked by Bash 
Balkan Peninsula
Which of the Balkan nations is one of the poorest countries in Europe?
asked by running.from.myself 
science (physics)
five examples of potential energy with diagram
asked by abhishek 
Kwak
FIN 3150 Financial Management Spring 2012 Assignment 1 Due: February 6, 2012 1. Attached are financial statements for Boeing and Embraer. a. Find the operating cycle for each firm for each of the three years, 20092010. Determine the cash cycle for each
asked by Young 
maths
how many 2 digits numbers are there which are divisible by 6
asked by farheen 
calculus
f(x)=1/2sec2*3.14(t+1)1/2 what does it look like graphed?
asked by Dynasty Guzman 
algebra
2/3x1/5y=2, 4/3x+4y=4
asked by Brandy 
critical thinking
What are three approaches to effective writing and speaking
asked by katy 
social environments
What is your opinion on how girl scouts affect public policy?
asked by mia 
PreDental Essay
I have to write a personal comments essay, please help me out in figuring if this is well written,makes sense and is worth it.. Truth be told I am fascinated by teeth. I find each molar precious and I want to preserve and pamper every atom that builds a
asked by Hero 
science
what is ways of changing the direction of moving billard ball.
asked by kaith mira 
vocabulary
when would you not use it
asked by tony