Questions Asked on
January 11, 2011

Physics
You place a box weighing 353.8N on an incline plane that makes a 42.5 degree andle with the horizontal. Compute the component of the gravitational force acting down the incline plae. Answer in Units of N
asked by Jaeka 
Physics
Original Question: A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 5.00 cm. What is the oscillation frequency of the two block system? bobpursley s'ltn: F=kx = mg x=mg/k but for the
asked by Tara 
statistics
What percent of the observations in a distribution lie between the first quartile and the third quartile? A. 75%. B. 50%. C. 25%. D. None of the above.
asked by Anonymous 
physic
A bobsled slides down an ice track starting (at zero initial speed) from the top of a(n) 146 m high hill. The acceleration of gravity is 9.8 m/s2 . Neglect friction and air resistance and de termine the bobsled’s speed at the bottom of the hill. Answer
asked by Drake 
physics
A ventilation fan has blades 0.25 m in radius rotating at 20rpm. What is the tangential speed of each blade tip? i don't understand how to do tangential speed.
asked by Ann 
physics
A child's toy consists of a piece of plastic attached to a spring. The spring is compressed against the floor a distance of 2.00 cm, and the toy is released. If the toy has a mass of 105 g and rises to a maximum height of 75.0 cm, estimate the force
asked by julie 
science
How many grams of CO are needed to react with an excess of Fe2O3 to produce 558 g Fe? The equation for the reaction is: Fe2O3(s) + 2 CO(g) → 3 CO2(g) + 2 Fe(s)
asked by christopher 
math
Theotis had to load a truck with television sets. The cargo area of the truck is a rectangular prism that measures 8 ft. by 21 ft. by 11 ft. Each television set measures 1 ½ ft by 1 2/3 ft. by 1 1/3 ft. How many tv’s can be loaded into the truck?
asked by Anonymous 
physics
A box having a mass of 50kg is dragged across a horizontal floor by means of a rope tied on the front of it. The coefficient of friction between the box and the floor is .3. If the angle between the rope and the floor is 30 degrees, what force must be
asked by Elise 
Chemistry
C2H2(g) + 2 H2(g)> C2H6(g) Bond Bond Energy (kJ/mol) CC 347 C=C 611 CH 414 HH 436 Calculate the value of the C C (triple bond) energy in C2H2 in kJ/mole.
asked by Brenda 
Physics
A block hangs in equilibrium from a vertical spring. When a second identical block is added, the original block sags by 5.00 cm. What is the oscillation frequency of the two block system?
asked by Tara 
Physics
Earth has a mass of 5.97x10^24kg and a radius of 6.38x10^6m. Find the wight of a 65.0kg person on the surface of the earth and 1000km above the surface of earth?
asked by Prince 
physics 11
brutus, a champion weightlifter, raises 240 kg a distance of 2.35 m. How much work is done by Brutus lifting the weights?
asked by sierra 
Math
Using my faucet, it takes 6 minutes to fill our water tank. Using my neighbor's hose, it takes 9 minutes. How long would it take if i used both the faucet and the hose?
asked by Emileigh 
Physics
An object in SHM oscillates with a period of 4.0 s and an amplitude of 10 cm. How long does the object take to move from x=0cm to x=6cm. Okay, so first I used f=1/T to find the frequency =0.25Hz. Then, I used frequency to find omega w=2*pi*f =1.57 rad The
asked by Jon 
science
How are fossil fuels formed?
asked by Anonymous 
Physics
A certain spring stretches 5.3 cm when it supports a mass of 0.65 kg . If the elastic limit is not reached, how far will it stretch when it supports a mass of 10 kg ?Answer in units of cm
asked by David 
chemistry
Draw a linebond structure for propene,CH3CH=CH2; indicate the hybridization of eachcarbon, and predict the value of each bond angle. Can someone explain the steps, im lost with how our teacher explained, about sp2 and sp3, ect. help?
asked by jessica 
physics
saturn has a mass of 5.68 x 10^26 kg and a radius of 6.03 x 10^7 m. a) what would be the weight of a 65.0kg person on the surface of saturn? b) what would be the weight of a 65.0kg person 1000 km above the surface of saturn?
asked by Pauline 
geometry
the diagonals of a rectangle are 12 inches long and intersect at an angle of 60 degrees. find the perimeter of the rectangle. please help :)
asked by Enoch 
Chemistry
C2H2(g) + 2 H2(g)> C2H6(g) Substance So (J/mol∙K) ∆Hºf (kJ/mol) C2H2(g 200.9 226.7 H2(g) 130.7 0 C2H6(g)  84.7 Bond Bond Energy (kJ/mol) CC 347 C=C 611 CH 414 HH 436 If the value of the standard entropy change, ∆Sº for the reaction is
asked by Brenda 
chemistry
C2H2(g) + 2 H2(g)> C2H6(g) Bond Bond Energy (kJ/mol) CC 347 C=C 611 CH 414 HH 436 Calculate the value of the C C (triple bond) energy in C2H2 in kJ/mole.
asked by Brenda 
statistics
the scheduled commuting time on Long Island Rail Road from Glen Cove to New York is 65 minutes. Suppose that the actual commuting time is uniformly distributed between 64 and 74 minutes. What is the probability that the commuting time will be a) less than
asked by ann 
physics
Some enterprising physics students working on a catapult decide to have a water balloon fight in the school hallway. The ceiling is of height 3.2 m, and the balloons are launched at a velocity of 12 m/s. The acceleration of gravity is 9.8 m/s2 . At what
asked by David 
Physics
A 0.012kg bullet is fired straight up at a falling wooden block that has a mass of 5.0 kg. The bullet has a speed of 670 m/s when it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for a time t
asked by Tom Atlus 
Physics
The speed of a vehicle is 3.56 meters per second. Select from the list below all of the answers which express that speed and which are formatted so that CAPA can judge the answer [* means multiply, ^ means raise to a power, / means divide]. (Entering the
asked by Megan 
spelling
what is the analogy for thorn
asked by jenna 
english
I need help on analyzing the poem, "you are reading this too fast" by Ken Norris
asked by Dick 
Physics
Three identical stars of mass M form an equilateral triangle that rotates around the triangle's center as the stars move in a common circle about that center. The triangle has edge length L. What is the speed of the stars?
asked by Monique 
math
A dog is tied to a leash that is hooked to the outside corner of a barn that measures 12 ft.x20 ft. The length of the leash is 16 ft. What is the maximum area in which the dog can wander?
asked by Kortney 
Bio
When does DNA replication take place in the cycle?
asked by Anonymous 
math
an equation is being tested for symmetry with respect to the xaxis, the yaxis, and the origin. explain why, if two of these symmetries are present then remaining one must also be present.
asked by Anonymous 
physics
A flower pot is thrown out of a window with a horizontal velocity of 8 m/s. If the window is 1.5 m off the ground, how far from the window does it land?
asked by shawnie 
MATH
Greatest common factor of 4x^2y^3 and 6xy^2
asked by Please help!!! 
chem
how many grams of hydrogen chloride is needed to produce 200 grams of hydrogen
asked by ashley 
Math
You earn $7.25 per hour babysitting. Write and solve an inequality to find how many full hours you must work to earn at least $200
asked by melanie 
english
Read the following sentence. Decide if the BOLD adverb modifies a verb, adjective, or adverb. She opened her eyes SLOWLY when the alarm went off. verb adjective adverb
asked by Anonymous 
us history
What are some results of the Whiskey Rebellion?
asked by Alexa 
physics
A bomber flies horizontally with a speed of 235 m/s relative to the ground. The altitude of the bomber is 3570 m and the terrain is level. Neglect the effects of air resistance. The acceleration of gravity is 9.8 m/s2 . a) How far from the point vertically
asked by DeeDee 
Science/language arts
I need a poem that I need about lithosphere
asked by Sue 
math
how do i write twentythree hundredths as a number
asked by jason 
english
K im not trying to cheat or nothing but im doing this exam im not asking for the answer i just need to understand the first part of the question more it asks me to give a thesis statement for no gumtion and barrio boy, but what im trying to figure out is
asked by someone :D 
physics
(a)If a crate slides down a 10 degree incline at uniform speed, what is the coefficient of friction between the crate and the incline?(b)What is the coeffiecient of friction using a 20 degree incline?(c)What is the coefficient of friction using an n degree
asked by Elise 
stat
the time between unplanned shutdowns of a power plant has an exponential distribution with a mean of 20 days. Find the probability that the time between two unplanned shutdow is a) less than 14 days B) more than 21 days c) less than 7 days
asked by charles 
PreAlgebra
Measure of two angles of a tringle are 28 and 58. Classify triangle by it's angle.
asked by MathPerson 
Physics
Calculate the ratio of the kinetic energy to the potential energy of a simple harmonic oscillator when its displacement is half its amplitude. Wouldn't it just be K/U=1/1 or just 1 Because at half the amplitude, it's going to be a combination of K and U.
asked by Jon 
Science
Definition of behavioral adaptation. Two examples please????
asked by Thanks 
english
help me please!!!!! The manner in which action is presented indicates verb: mood. tense. voice.
asked by jordan 
calculus
An athlete is running around a circular track of radius 50 meters at the rate of 5 meters per second. A spectator is 200 meters from the center of the track. How fast is the distance between the two changing when the runner is approaching the spectator and
asked by cynthia 
physics
Tarzan is crossing a river by swinging on a 10.0m long vine with a breaking point of 1.0 x 10^3 N. If Tarzan's speed at the bottom of his swing is 8.0 m/s, what is the largest mass that Tarzan can have and still make it across the river? [Hint: There are
asked by Pauline 
physics
A 0.44 kg object connected to a light spring with a spring constant of 22.0 N/m oscillates on a frictionless horizontal surface. The spring is compressed 4.0 cm and released from rest. (a) Determine the maximum speed of the mass. 28.28 cm/s (b) Determine
asked by julie 
science
a student stands at the edge of a diving board that is 3 m high. the student's weight is 350 N. what is the student's gravitational potential energy relative to the surface of the water?
asked by kassandra 
math
Each prize for a carnival booth cost $0.32. how many prizes can you buy with $96?
asked by roxanne 
physics
A boy exerts a horizontal force of 2nt to pull his 2kg sled over the snow. If he gives someone a ride on his sled and he has to exert a 12nt force to pull the sled, how much does that person weigh and what is their mass?
asked by Elise 
health
what is a 12 letter word for the process by which alcohol enters the blood stream and travels to all body parts?
asked by Mousa 
chemistry
A 1\rm L flask is filled with 1.35 g of argon at 25 {\rm ^\circ C}. A sample of ethane vapor is added to the same flask until the total pressure is 1.15 atm.What is the partial pressure of argon, P_Ar, in the flask?What is the partial pressure of ethane,
asked by Anonymous 
math
write 3 different ones numbers you could add to 15 where you need to regroup to find the sum. Need help ASAP. Thanks
asked by mary 
chemistry
what volume of 1.5M NaOH would be required to neutralize 0.65g of pure aspirin?
asked by kelis 
Geometry
In a triangle labeled ABC with the following coordinates A(3,2) B (0,4) C (2,1) What is the image of each vertex? Give answer as an ordered pair.
asked by Sue 
Algebra
A company reported that it made a profit of 8% as a percentage of sales and that its sales revenue was $25,000. How much profit did the company make?
asked by Anonymous 
english
I need to write a 5 paragrah essay using Herringbone,decriptive words,transtiton and a metaphor in the fith paragraph. this is the topic: If I werepresident of the United states, what three areas would you fous on to improve public education across the
asked by 7th grade 
Math
A sweepstakes posted the odds and payoffs. Suppose that mailing the sweepstakes costs $0.33 and the odds in favor of winning the various prizes are listed in the chart below. What is the expected value of the sweepstakes for any individual? Considering the
asked by Jack 
managment science
Supposed you have been hired as a Marketing Manager in a Multinational Company which is dealing in high tech products. Company wants to launch a cell phone in the market which can measure the Sugar level and Heart beat of the users. Since, it is a
asked by mehboob 
Geological Events
Hot spot volcanoes appear as volcanic chains in the middle of an oceanic plate because as the plate moves away from the hot spot, the volcano becomes less active, then the hot spot forms a new volcano. Is my answer correct.
asked by Anonymous 
calculus
given 7sin^2 theta + cos theta sin theta = 6 show that tan^2 theta + tan theta  6 = 0
asked by suz 
math
a car travels 12 miles on 0.3 gallon of gas. how far can it travel on 1 gallon?
asked by roxannw 
science
(This homework question was removed due to a copyright claim submitted by K12 Inc.)
asked by cman 
problem solving
theotis has to load a truck with tv sets. the cargo area of the truck is a rectangular prism that measures 1 1/2 ft. by 1 2/3 ft. by 1 1/3 ft...how many sets can be loaded into the truck?
asked by casillas 
English
IS this agood essay A major theme in the book Of Mice And Men is the relationship between the two main characters, George and Lennie. the relationship between them is like a parent and a son, one character is taking care of an uneducated character. Yet
asked by Needs Help 
Ferdinand Marcos University
What are the condensed structure of each of the following: a.)2pentene b.)1chloro 3 metyl 2 pentene c.)3 methyl 1 butyne d.)2,3dimethyl pentane e.)2 ethyl 1 methyl hexane
asked by Dangadang 
9th grade algebra
solve df + 10h=3 for h
asked by james 
English
I have a few more things I'm not sure of. I hope you can help me with them. Thank you. 1)I prefer living in the countryside to living in a big city. I hate busy streets and places jammed with people. (How can you describes streets in which there is a lot
asked by Franco 
MATH HELP
I posted this yesterday and no one bothered to check it, therefore Im posting it again, please check it this time. The south edmonton pet shop has several parrots and dogs for sale. There are a total of 24 heads and 82 legs in the display cages. A) Write a
asked by Anonymous 
math
Samir's mom is a real estate agent. When she sells a house, she receives a commission that is 6% of the selling price of the house. If she sells a house for $180,000, what is her commission for this sale?
asked by Marvo 
physics
A car was seen driving off the edge of a cliff at an angle of 10.° above the horizontal. The cliff is 95. m high and the car impacted the ground at a distance of 156. m from the base of the cliff. The speed of the car as it left the cliff was closest to:
asked by noreen 
Geometry
How do you find the distance from the center of an equilateral triangle, with the side length of L, to a point?
asked by Ngoc 
algebra
sue bought 2 1/2 yards of blue cloth for $ 6.97 and 1 1/2 yards of yellow cloth by for half as much. She used 1/4 of the blue cloth to make her mother an apron. How much cloth did it take to make the apron?
asked by rodney 
physics
You place a box weighing 302.1 N on an in clined plane that makes a 35.6 angle with the horizontal. Compute the component of the gravita tional force acting down the inclined plane. Answer in units of N.
asked by David 
Math
If a right triangle has legs of 9in. and 12in. What is the length of the hypotenuse?
asked by Peter 
math
A matrix A is said to be skew symmetric if A^T = A. Show that is a matrix is skew symmetric then its diagonal entries must all be 0. A^T meant to be A transpose.
asked by kevin 
Math
In a rhombus all angles are right angles. True or False?
asked by James 
math
Write the base 10 number 945 s a base 6 number and as a base 12 number. then, using these numbers as base 10 numbers, find the positive difference between them.
asked by Brenda 
Geological Events
In 2005 and 2006, several major earthquakes occured in Pakistan and Iran, located to the north and west of India. A) Why does the theory of plate tectonics support the occurence of earthquakes in these countries? The plate tectonics theory states that the
asked by Anonymous 
Alg II
I have a rectangle whose sides are in the proportion b:a, where b is the longer side. I draw a line parallel to a inside the rectangle in order to break it up into a square with sides of length a and a second rectangle. Amazingly, the sides of the new
asked by Peter 
Physics
What's earth's rotation period?
asked by Thi 
math
A number of girls form a singing group. All but 3 of the girls are blondes, all but 4 are brunettes, and all but 5 are redheads. How many girls are in the group?
asked by Starla 
Biology
What role do highenergy electrons play in the electron transport chain?
asked by Jim 
History
how did boundary settlements help national unity?
asked by Kiersten 
English
What is the adjective in the sentence: It is about the same size as the United States. Also, what are the adjectives and what do they describe in the sentences: The flutes are a third group of instruments. The small keys send a burst of air to large pipes
asked by Catherine 
physics
baseball thrown horizontally takes 1.1 seconds to reach the ground. What is the height at which the ball was thrown?
asked by Chelsie 
Algebra
Lyla deposited $250 in an account earning 4% simple interest. At the end on one year, how much was in the account, assuming no more deposits or withdrawals?
asked by Anonymous 
math
Three brothers divide 17 candy bars. The oldest child gets 1/2, the middle child 1/3, and the youngest child 1/9. So that they do not have to cut any bars, Mom provides an extra one. The oldest chidl then takes 9 candy bars, the middle child 6, and the
asked by Alex 
Chemisrty
as you move left to right across period 3 from mg to cl, the energy needed to remove an electron from the atom does what?
asked by Kathy 
physics 11
if you have the formula W=Fd, where W=work, F=force, and d=displacement, how do you find W if you don't have F, but you have a mass and displacement?
asked by sierra 
English
What quote from huckleberry Finn is a overstatement? Is "Then the old man got to cussing and cussed everything and everybody he could think of, and then cussed them all over again to make sure he hadn't skipped any, and after that he polished off with a
asked by Anonymous 
physics
A cylindrical pipe 30 cm in diameter carries water at a volumetric flow rate of 103 m3/s. The pattern of the flow in the pipe ...
asked by noreen 
physics
A 3.0 m long ladder of weight 98. N leans against a frictionless wall at an angle of 60.° with respect to the horizontal. The coefficient of static friction between the ground and the ladder is µs=0.45. If the ladder is not sliding, the magnitude of the
asked by noreen 
mathtrigonometry
I'm working woith multiple ange and product sum formulas and I'm stuck on these. Can you help? Thanks sin2xsinx=cosx cos2xcosx=0
asked by Michael 
math
jared wants to save $100 to buy a tennis racket.he saves $8 each week,and his mother gives him an extra $0.25 for each dollar he save.determine the number of weeks it will take jared to save $100.
asked by barb 
MATH
Use the formula p  2L + 2W to find th perimimeter of the triangle Length 8.6 m Widith 2.5 m
asked by Please help!!! 
Math
in 1992, the life expectancy of males in a certain country was 69.8 years. in 1999, it was 72.4 years. Let E represent the life expectency in year t and let t represent the number of years since 1992. The linear function E(t) that fits the data is E(t) =_
asked by michelle 
government
how did Shay's Rebellion lead to the creation of the Constitution?
asked by nicole 
maths
in a sequence the 50th term is 349 51st term is 354 and the 52nd term is 359 what is the first and the 100th term
asked by mariya 
Physics
a ship coming into port blows its whistle, you see its steam 1.86 seconds before you hear the sound. How far away is the ship if the air temperature is 10 degrees Celsius?
asked by Sam 
Chemistry  Acids and Bases
What's a good example of a balanced neutralization reactions involving strong acids and bases?
asked by Brianna 
Physics
Two objects of equal mass m are separated by a distance r. Which expression gives the gravitational potential at the point P mid way between the two objects? The answer shows as 4Gm/r, but I can't see where this comes from.
asked by Christine 
Math
To win one million dollars, you must draw two cards whose sum is nine, from a stack of cards numbered through 10. After the first draw you replace the card and shuffle the stack again for the the second draw. What is the chance that your two cards will
asked by kelsey 
Chemistry
Which method increases the surface of a solid, allowing it to dissolve faster? A)changing the state of the solid B)adding gas to the solid C)heating the solid D)reducing the size of the solid ****Please help!!!!******* I think the answer is C but i am not
asked by AHS 
math
buses to the stadium leave central station every 10 minutes buses to the zoo leave central station every 16 minutes both buses leave central station at 4 p.m. find the next time both buses will leave central station at the same time.
asked by barb 
chemistry
If you have 25 liters of carbon dioxide at STP, how many grams of it do you have?
asked by DIANA 
BLS
HgCl2+KCl=?
asked by ANOLD 
PhysicsPlease check my answerI've been working o
If I went tubing with my little sister, and I have a larger mass, why would we both reach, in terms of energy, the bottom of the hill at the same time; Originally I thought because we would both be accerlerating at the same rate but that doesn't explain
asked by Sheila 
Physics
The following wave function represents a travelling wave: y = 5.35 / [4.95 + (6.55x+2.15 t )2] where y and x are in cm, and t is in seconds.a) What is the maximum displacement of the wave at t = 4.30 s ? b)What is the wave velocity?
asked by Rody 
Geometry
a Farmer want to put up a fence with a total perimeter of 250 ft. It is the shape of a rectangle but there is a river on one side. What is the maximum area of feet that the fence can be?
asked by bobby 
Preap Physics!!
Is gravitational potential energy different from potential energy?? Because I know gravitational potential energy's equation is PE=mass(gravity)(height)
asked by Jaeka 
social studies
what have many immigrants done for our country in 1900s??? What happend with the immigrants in 1900s when there went into the building?(Ellis Island) Thank's
asked by Jamal 
Science
why do Lithium (Li), Magnesium (Mg), and Aluminum (Al) react with HCl and Iron (Fe), Zinc (Zn), Lead (pb), and copper (Cu) don't react as much or don't react at all?
asked by liza 
Math
A set of data has a mean of 25 and an outlier of 5. You find the mean without the outlier. Which of the following best describes your new mean? A. The new mean is the same as the original mean. B The new mean is the as the meadian C. The new mean is
asked by Please help 
stat
given an exponential distribution with mean = 30 what is the probability that the arrival time is a) less than X = 0.1 B) greater than X = 0.1 c) between X=0.1 and X =0.2 d) less than X =0.01 or greater than X = 0.2
asked by charles 
math
A shaded circle just fits inside a 2m x 3m rectangle. What is the radius in metres, of the largest circle that will also fit inside the rectangle but will not intersect the shaded circle?  I have a diagram with me,
asked by dan 
Trig/Math
3. f(x)=1/3sin(2/3xπ/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function please.
asked by Tabby 
chemistry
HELP PLEASE... what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin solution. the gelatin solution was prepared with phenolphthalein and K3Fe(CN)6. b) same scenario as with (a) but the nail is
asked by Anonymous 
math
ted wrote the following ruleand exspresion to represent the relationship between a and b in the input/output table input a 9 15 21 24 36 output b 7 9 11 12 16 what did ted forget to do when he wrote the rule and exspresion
asked by Anonymous 
Geological Events
The terms focus and epicentre are linked by the epicentre being found on the surface, directly above the focus. Is my answer correct.
asked by Anonymous 
math
How would you set up a system of linear equations to find out how many packages of 8 and 12 you would have to buy to have no left?
asked by Chuck 
Chemistry Lab
You are given 350 mL a stock solution of 1.66E02 M benzoic acid, MW = 122.125 g/mol. Answer the following questions. A. What is the number of moles present in the original stock solution? B. You need to dilute the benzoic acid stock solution to 1.24E03
asked by Natasha 
Science
Different species of plants have structure/characteristics that allow them to adapt to their environment. What is this called?
asked by Thanks 
chemistry
what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin solution. the gelatin solution was prepared with phenolphthalein and K3Fe(CN)6. b) same scenario as with (a) but the nail is bent c) same with
asked by princess 
Business
A bond price of $987.50 has a face value of $1000, pays 5% semiannually, and will repay the face value in 15 years. 5% tables Present Values Pv Annuity year 13 .53032 9.39357 year 14 .50507 9.89864 year 15 .48102 10.37966 What is the yield to maturity of
asked by Adrian 
algebra
4  2y > 7  2y Can this be solved? I believe there is no solution
asked by Brandy 
MATH/BUSSINESS A
I DEPOSITED $950 IN A MONEY BANK AT 4.45% ANNUALLY I WITHDRAW AFTER 4 MONTHS.HOW MUCH SIMPLE INTEREST DID I EARN
asked by BLANCHE 
chemistry
How would set up a problem like this? A mass of 20.0 g of NaOH is dissolved in water to form 5.0 dm^3 of solution. What is the molarity of the hydrogen ion concentration if the temperature is 25 degrees Celsius?
asked by Kathryn 
math
Teena's favorite jeans were marked down from $30 to $25. What was the percent discount on the jeans?
asked by Lo 
Chemistry Lab
You are given 350 mL a stock solution of 1.66E02 M benzoic acid, MW = 122.125 g/mol. Answer the following questions. A. What is the number of moles present in the original stock solution? B. You need to dilute the benzoic acid stock solution to 1.24E03
asked by Natasha 
Physical Science
To create a supernaturated solution, a student heats a beaker of water on a hot plate and adds sugar until no more sugar will dissolve. The student then strains the solution through a funnel using filter paper and allows the solution to cool. Name two
asked by Mr. Sandwich 
social studies
i need help with a acrostic for maryland
asked by brit 
English
Are the following sentences figurative language: "With lies well steel'd with weighty arguments."
asked by Becca 
Plate Movement
What parts of earth's interior are involved in a convection current? The mantle. Core. Is that right?
asked by Anonymous 
Chemistry
U+F6>UF6 If 8.4 g UF6 are recovered from 55 kg of ore, what is the weight % of uranium in the ore? Answer in units of %
asked by Josh 
Physical Science
To create a supernaturated solution, a student heats a beaker of water on a hot plate and adds sugar until no more sugar will dissolve. The student then strains the solution through a funnel using filter paper and allows the solution to cool. Name two
asked by Mr. Sandwich 
Physics
If the wavelength of the sound wave is 1.3 meters, what is the frequency?
asked by Tula 
german
Can someone check if everything is OK? Thank you. Ich habe Weihnachten bei meinen Großeltern im Piemont verbracht. Dort habe ich ein paar wunderschöne Tage mit meinen Verwandten und meiner Familie verbracht. Ich habe auch meine alten Freunde wieder
asked by Franco 
algebra
write the equation of the line in slope intercept form that goes through the given point and is parallel (4,7),y=1/2x
asked by saba 
math
please i need this question answered in a hurry how do you make a fraction as a decimal (Well i know how to do that) But how do you round the decimal to the nearest hundredth i need it answered in a hurry please
asked by adrienne 
math
solve the equation e^x=30
asked by Computer 
3rd grade math
how do i answer this question....how can you use the multiplication facts for 3 to help you find the multiplication facts for 9?
asked by Alexis 
world histor
what are three major events, ideas, or poicies that contributed to the end of the soviet Union? including something about easern europe! help pleaseee!!
asked by billy 
Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?
asked by Hunter 
Trig/Math
f(x)=1/3sin(2/3xπ/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ?
asked by Tabby 
math
Kari buys 3 goldfish at $4 each she sees bowls marked"3 for $10" and buys 6 of them.she also buys 2 jars of fish food marked 2 for $3.00". which expression could you use to find her total coast?how would the problem
asked by james willson 
math
ted wrote the following ruleand exspresion to represent the relationship between a and b in the input/output table input a 9 15 21 24 36 output b 7 9 11 12 16 what did ted forget to do when he wrote the rule and exspresion write the correct rule and
asked by Anonymous 
Math
How do you find the perimeters of the letter C?
asked by Imari 
Math
what is the best measure of central tendency? Explain
asked by Taylor 
pre calc
solve the equation 1+4sin(x)=4cos^2(x)
asked by bandit5571 
Math
Every Square is a rhombus. True or False? This one has me confused.
asked by James 
english/Hamlet
I need a better understanding of this quote "once you have friends and find the trustworthy hold on to them" please paraphrase this for me
asked by keaton 
physics
what is the coefficient of sliding friction between a 3.2kg sled and snow when the sled, carrying a 25kg boy, can be pulled with a force of 35nt?
asked by Elise 
Navarrow
I am doing a crossword puzzle of analogies it has 10 letters and I have the words court: docket: :trip:?
asked by John 
math
A dartboard has the numbers 3, 6, 9, 12, 15, 19, 21, 25, 27, and 30 on it. What is the fewest number of darts that could be thrown if two darts canot land on the same number and if the sum of those scores must be 50?
asked by Carlee 
Reiny MATH HELP
I think you are a math tutor, could u help me with my problem?
asked by Anonymous 
English
Would this be an example of figurative language? Sorry, I am really terrible at this kind of thing, and knowing what is right and wrong really helps me. "O, gentlemen, see, see! dead Henry's wounds Open their congeal'd mouths and bleed afresh!"
asked by Becca 
science
Harry walks 1.5 km/h to the mall. Earl walks 2.75 km/h to the mall. What is Earl's relative velocity with respect to Harry?
asked by chelsie 
human services
where can I find information on reinforcement affect theory? I need information on the population that it is used and the theory of helping.
asked by patiance 
government
what event showed the need for a stronger federal government?
asked by nicole 
9th algebra
You store square notepaper in cubeshaped box with an inside edge length of 3 inches. What is the volume of the box?
asked by Breanna 
chemistry
HELP PLEASE... what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin solution. the gelatin solution was prepared with phenolphthalein and K3Fe(CN)6. b) same scenario as with (a) but the nail is
asked by princess 
chemistry
HELP PLEASE... what is the chemical equation for these situations..? a) there is a straight iron nail in the solidified gelatin solution. the gelatin solution was prepared with phenolphthalein and K3Fe(CN)6. b) same scenario as with (a) but the nail is
asked by Anonymous 
chemistry
What is the volume of a gas tank which contains 10.4 g of nitrogen gas a 2 g and 4.50 atm?
asked by Hunter 
Chemistry
What are the repulsion of protons from one antoher and the repulsion of electrons from one another responsible for?
asked by Lola 
math
A shaded circle just fits inside a 2m x 3m rectangle. What is the radius in metres, of the largest circle that will also fit inside the rectangle but will not intersect the shaded circle? Drawing a diagram would help with this question. Thanks.
asked by dan 
Algebra 2
Can you check my answer and the work? Thank youu~~ (2xy)7 128x7 448x6y 672x5y2 560x4y3 280x3y4 84x2y5 14xy6 y7 orr 128x7 448x6y +672x5y2  560x4y3 +280x3y4 84x2y5 +14xy6 y7 Ps: the 7 in the equation is the exponent and the numbers after the
asked by Anonymous 
English
Is this sentence a type of figurative language? "That laid their guilt upon my guiltless shoulders"
asked by Becca 
algebra
Describe what are the graphs of the intervals [4,10], (4, 10], [4, 10) and (4, 10) looks like. Are these graphs in the xyplane or on the number line?
asked by wendi 
Chemistry
Which describes a quark? A)one of the most basic types of particles B)a variety of an element that has different number of neutrons C)a particle in the nucleus that has one of the most significant amounts of mass D)the smallest atom identified by
asked by AHS 
history
How did brown vs board of education impact americans during the cold war?
asked by Anonymous 
physics
What is the force required to move a 22kg ccrate up an incline of 35 degrees, if the coefficient between the two surfaces is .30?
asked by Elise 
math
estimate to find the product of 332*3
asked by gaby 
physics
The Mini Cooper is rated at a maximum power of 115. hp (1 hp=746 W), when moving at 80.0 km/h. Assume that the net force accelerating the car is constant. The total mass of the car with a rider and some fuel is 1230 kg. How many seconds will it take for
asked by noreen 
Plate Movement
How does gravity contribute to plate movement? I think cause it like puts up pressure doesnèt it
asked by Anonymous 
Geoligical EventsWriteacher
The terms focus and epicentre are linked by the epicentre being found on the surface, directly above the focus. Is my answer correct. Geological Events  Writeacher, Tuesday, January 11, 2011 at 7:34pm Mostly correct. But in earthquakes, it's not always
asked by Anonymous 
Physics
Calculate the volume of a spherical balloon which has a surface area of 0.0793 m2
asked by Megan 
science
Harry walks 1.5 km/h to the mall. Earl walks 2.75 km/h to the mall. What is Earl's relative velocity with respect to Harry?
asked by chelsie 
physics
You drop a frog (initial velocity = 0) into a cart moving at 4 m/s. The frog has a mass of 1 kg. The cart has a mass of 3 kg. How fast are the cart and the frog going after the frog was dropped into the cart?
asked by Tula 
Geometry
If ∆ ABC ~ ∆ DEF, BC = 12 cm, EF = 10 cm, and AC = 18 cm, find DF.
asked by Dave 
physics
baseball thrown horizontally takes 1.1 seconds to reach the ground. What is the height at which the ball was thrown?
asked by Rob 
com 170
identify the three key parts of a paragragh. discuss their relationship with one another.
asked by dan 
science
on a planet whose mass is twice that of earth and whose radius is the same, with what acceleration will a body fall at sea level
asked by anonymous 
com 170
write a brief paragraph about which paragraph was more effective and analyze why this is so from chapter 32 real essays with readings appendix g include a discussion of sentence variety and rythem of the author's writing
asked by dan 
arithmetic
If Travis downloads tons of songs and spends $25.00, how many songs did he download? The songs cost, .25, .50, .75, 1.00, 1.25, 1.50, 1.75.
asked by Larry 
Trig/Math
f(x)=1/3sin(2/3xπ/4)+4 Find the amplitude, period, phase shift, and vertical shift of the function. Amplitude:1/3 Period:?????? Phase Shift:??????? Vertical Shift:+4 Please Help ?
asked by Tabby 
Chemistry
The grams of oxygen that would produce 13.4 g Cl^2O^7 molecules.
asked by K 
chemistry
how many atoms of Na are there in every 2.5g of Na? please answer me! thank you!
asked by gine2 
Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?
asked by Hunter 
MATH
Erics 4 test grades are 85, 75, 97, 93 . What must she make on her 5th test to have an average of 87?
asked by Please help!!! 
Math
In a right triangle, if the median from the right angle to the hypotenuse is 5 in. what is the length of the hypotenuse?
asked by Matt 
English
Can you please check if my sentences are OK? Thank you very much 1)I worked in a jym for one year ("a year" is a mistake?) 2)If you don't have a choice between two different parts do you say: What part did he play in the film Top Gun? The film director (is
asked by Franco 
English
I forgot to include these few more sentences. Thank you. 1) As tradition my uncle dressed up (disguised himself as?) as Nikolaus and at midnight sharp he knocked at our door and brought us all the presents. 2)We didn't exchange the presents lying under the
asked by Franco 
geology
Is Lake Erie considered a part of the Interior Plains?
asked by valerie 
Money Sense
which do individuals usually hve more control over? How much they make or how much they spend? i think its 2nd one?
asked by Anonymous 
Money Sense
is looking for best price on items a good stragety to spend less?
asked by Anonymous 
Chemistry
a 5.00 Liter tank holds argon gas a 675 kPa and 11C. what would be its pressure if this argon is transferred to a different tanks whose volume is 17.0 liters at 135C?
asked by Hunter 
9th grade algebra
solve 5/6=2/3(3c+4)
asked by james 
math
18x + 9 10x  4 ________ > _________ 3 2
asked by Dustin 
physics
What is physics?
asked by Dullmind 
algebra
if a student has an average of 8 after 20 tests and then gets a 0 on his 21st test, what would his new average be?
asked by KATIE 
6th grade Math
How to convert 4.65 into a fraction but in simpilest form while showing your work?
asked by Haley 
Econimics
What has been the effect of DRGs on hospital admissions and the length of stay? What are some advantages and disadvantages of DRGs?
asked by linda 
physics
A cylindrical pipe 30 cm in diameter carries water at a volumetric flow rate of 103 m3/s. The pattern of the flow in the pipe ...
asked by noreen 
chemistry
is this correct? sp3 CH3CH3 sp2 CH2=CH2 sp CH≡CH im trying to figure out sp3 and sp2c
asked by jessica 
math
In another variation of Nim, players are allowed to remove only perfect square numbers of beans and apply this condition. How many beans should you as the first player select to guarantee that you will win the game?
asked by Samual 
math
The equations y=2X+12, y=6X, and X=0 enclose a region in quadrant I. when that region is reflected over the line y=6X, a portion of the reflection is in quadrant II. Find the area of that resulting region.
asked by Josh 
algebra
factor the following... y^216y+64
asked by sam 
reading
crossword puzzle on analogies word given are joints:inflamed::?:atrophy, has 7 letters
asked by John 
History of education
How do you Contrast education in Old Massachusetts Bay Colony, New England with the Middle and Southern States
asked by Lateefa 
Math
Solve the proportion for u. (u2):(u+3) = 4:3
asked by Ray 
math
what do you write when you have to describe a way to compare two fractions when the denominators are the same
asked by jennifer 
physical science
To create a supernaturated solution, a student heats a beaker of water on a hot plate and adds sugar until no more sugar will dissolve. The student then strains the solution through a funnel using filter paper and allows the solution to cool. Name two
asked by 132 
government
why did many people call for changes to the articles of confederation?
asked by nicole 
Philosophy/Religion
What is a positive of a polytheistic society?
asked by Anonymous 
math
Prove that if a subset C of R*R is symmetric with respect to both the xaxis and yaxis, then it is symmetric with respect to the origin
asked by Anonymous 
English
what is the difference between a Synopsis and a summary? thank you soo much :)
asked by Sabrina 
poetry
What is choral reading? Can I have examples of choral reading?(the pieces) Thanks.....
asked by klarmaesen 
algebra
Tom's mother pays him $.50 for each problem his gets correct on his test, but he has to give her .25 for each problem he gets wrong. If Tom makes $8.00 on the test, and there were 25 total problems on the test, how many did he answer correctly? Thanks!
asked by Jake 
com220
what is the thesis statement in the article " A Nation Apart"
asked by Anonymous 
algebra
/6x^2=2x /=radical sign
asked by math 
Money Sense
If u have 2 months to save enough money to buy item worth $300, how much wud u need to save each week? $30 $40 $10 $20 ????
asked by Anonymous 
algebra
solve for the equation 4[(2b+5)/(b+4)]=0
asked by math 
chemistry
A gas tank holds 15.0 liters of gas at 37C and 342 kPa. What volume would this gas occupy at STP?
asked by Hunter 
chemistry
A gas tank holds 15.0 liters of gas at 37C and 342 kPa. What volume would this gas occupy at STP?
asked by Hunter 
Math
Find the volume of a rectangular pet carrier whose dimensions are 18.20 in wide, 14.00 in long, and 18.80 in high. Report the answer to the nearest hundredth of a cubic inch.
asked by Ashley 
PHYSICS
HOW DO U COMPUTE g USING THE EQUATION g=GM/r^2 WHEN GIVEN THE QUESTION IN THIS FORM: "COMPUTE g AT A HEIGHT OF 4 RE ABOVE THE SURFACE OF EARTH" basically how can i find the answer to a question given in this form
asked by Sarma 
Math
What change you should be made in this sentence:Her parents thought she might need help copeing with her loss of her arm, but Bethany proved them wrong. F. Change parents to parent's G. Change copeing to coping H. Delete the comma J. Change them to her
asked by Kenzie 
math
Tell if the relationship is linear? Write the equation for the relationship. values for x are showing 1,2,5,8,10,11 values for y are showing 1.5,2.5,5.5,8.5,10.5,11.5 I could not get any relationship I could think of to make these linear. I tried y=2x just
asked by m 
social studies
help!!! What are the reason that immigrants in the 1900s came to our country?What did there brought to our country?
asked by Jamal 
Chemistry
Chemicals are supplied in different grades,e.g. ACS,AR...etc.What do we mean when we say that the chemical is for synthesis?
asked by candy 
math
Two contestants on the show The Biggest Loser start out weighing the same. At the end of year one, contestant A had lost 10% of his weight while contestant B gained 10% of his starting weight. At the end fo year two, contestant A had gained back 10% of his
asked by Kurt 
math
Compute the maximum number of intersections of 17 straight lines.
asked by Carlee 
algebra 1b
A customer wants to make a teepee in his backyard for his children. He plans to use lengths of PVC plumbing pipe for the supports on the teepee, and he wants the teepee to be 12 feet across and 8 feet tall (see figure). How long should the pieces of PVC
asked by ashley 
bio
Discuss the impact of mutation on somatic cells versus germ cells. Which kind of mutation affects the individual and which kind of mutation affects the population? Why?
asked by Anonymous 
math
On the unit circle the coordinates of P(theta) are (0.588, 0.809). Find the coordinates of P(2theta). Please help.
asked by Jack 
Science
Different species of plants have structure/characteristics that allow them to adapt to their environment. What is this called
asked by Tina 
PhysicsPlease check
If I went tubing with my little sister, and I have a larger mass, why would we both reach, in terms of energy, the bottom of the hill at the same time; Originally I thought becuase we would both be accerlerating at the same rate but that doesn't explain
asked by Sheila 
Biology
What is a cell?
asked by Zukii 
Measuring
Would using the unit CM be the best for measuring my finger?
asked by MathPerson 
child care
any idea about how to write a lesson plan on diversity...
asked by Anonymous 
algebra
factor trinomial 9x(2) + 9x + 2 i do not know how to type the 9x and the little x over the 2 ( to the x power ) thank you for your help.
asked by victor 
physics
baseball thrown horizontally takes 1.1 seconds to reach the ground. What is the height at which the ball was thrown?
asked by Rob 
Cellular Anatomy and Musculoskeletal Systems
A sevenyear old boy breaks his tibia and requires immobilization by a hard cast for 6 weeks until the break heals. A potential consequience of this therapy is atrophy of the pectoralis major?
asked by Anonymous 
Biology
why is a cell small? and how can this be related to the diffusion rate and the synthetic capacity?
asked by Zukii 
algebra
x 10  +  = 7 1 x
asked by cr7 
chemistry
What is the pressure of sulfur hexafluoride gas in a 10.0 liter tank which holds 235 g of the has at 17C?
asked by Hunter 
world history
compare/contrast the rise of communism and modern events in china and Russia help please!
asked by billy 
algebra
solve for the equation x3x+5=7
asked by math 
geomatry
in triangle abc angle c is 90.write a indirect proof that angle a is less than 90.
asked by suborna 
algebra
(4x^45x^2+2x10)/(2x3)
asked by johnny boy smithy 
com 170
write a brief paragraph about which paragraph was more effective and analyze why this is so from chapter 32 real essays with readings appendix g include a discussion of sentence variety and rythem of the author's writing
asked by dan 
Chemistry Lab
How many milligrams are there in 1.57 kg?
asked by Natasha 
Chemistry Lab
Penicillin is an important antibiotic isolated from a type of mold. If you have 0.0468 g Penicillin, C14H20N2SO4MW = 31239 gmol , answer the following questions. A. How many moles of Penicillin do you have? B. What is the number of moles of nitrogen that
asked by Kim 
math
In a variant of the game of Nim, two players alternate taking turns in removing 1, 2, or 3 beans from a pile. The object is to remove the last bean. If the initial pile has 29 beanss, should you want to go first or second to guarantee a win?
asked by Samual 
English
My son has to identify stressed syllables with an accent mark and boldface for example forgot,because,daughter.can you help me??
asked by Janet 
math
what two number can go into 48 if that is the numer your perimeter has to equal
asked by Alondra 
algebra
perform the indicated operation 75/80=15/16
asked by karen 
reading
working on a crossword puzzle on analogies it has 10 letters and the words given are story:narrative:: editorial:?
asked by John 
Science
draw diagrams illistrating balanced forces. you must show and object at rest and one in motion.
asked by jaswant singh dosanjh 
math
Algebra use the function . Find the output of Y, for each input,x. y=4x6 for x+5,7,9.
asked by John 
science
if earth is one astronomical unit from the sun and has a period of 1 year, approximately how far is planet X form the sun if it has a period of 26 yearS
asked by bob 
physics
calculate the force between two 5.0 kg spheres that are 2.5 m apart.
asked by anonymous 
government
as part of the great compromise,what fraction of enslaved people were counted to determine representation?
asked by nicole 
Math
9.6 L = _____ mL
asked by Please help!!! 
geometry
the three angles of a triangle are represented by 13 x/3,7x/3,5x/6.find the measure of its obtus angle.
asked by Alka 
physics
a wieght of 10kg mass is raised through a hieght of .8 meter from 1.5 meter to 2.3meter against force of gravity.how much energy isrequired in cals.
asked by ajmer singh sidhu 
Geological Events
Two factors that result in a volcano at a plate boundary are.. I don't get what this question is asking.
asked by Anonymous 
math
The newsstand price of a magazine is discountd 28% for subscribers. The newsstand price is $5.00. What is the subscription price?
asked by hubba 
art
what is significance of picassos tete de cheval painting
asked by pat 
math
What is the area of a square that has the perimeter (inches) equal to the number of days in February (not during a Leap year)?
asked by John 
Allied Health
which one of the following is an example of a leading question?
asked by Lupe 
Math
n/15 = 0.24 n=?
asked by MathPerson 
algebra
x^2+8x+12
asked by sam 
math
how to mixed #s or whole #s 18/7
asked by kim 
Biology
why is a cell small? and how can this be related to the diffusion rate and the synthetic capacity?
asked by Zukii 
Social Studies
What are some goods and services?
asked by Maggie Chen 
physics
calculate the force between two 5.0 kg spheres that are 2.5 m apart.
asked by anonymous 
Grammar
What is the complete subject in the sentence: Every year, blackbirds and blue jays migrate south? Is there a simple way to know the complete subject? Would it be everything before the verb, migrate?
asked by Michael 
algebra
solve for the equation 81^2x+1=3^4
asked by math 
Math
30 plus 30
asked by Lily 
L.A.
what jargon words are use in track and field?
asked by yuku 
algebra
81r^236rs+4s^2
asked by sam 
math
x^2+4x+3
asked by sam 
math 4 grade
Mr.Sports wants to buy enough sod for his new field is 16 feet,the width of the field is 44 feet.How much sod will he need to buy?How much will it cost him if the sod sells for $5.00 per 10 feet?
asked by Thanh 
math
what do you write when you describe a way to compare two fractions when the denominators are the same
asked by jennifer 
cjs203 criminal justice
do you think that inmates behave better if they feel that they have some say on what goes on?
asked by paula 
science
when do plates have the most potential energy
asked by emily 
taxes
should u file txes if you made under $3000?
asked by scooby