Questions Asked on
February 21, 2012

chemistry
When aqueous solutions of sodium sulfate and lead (II) nitrate are mixed lead sulfate precipitates out of soultion. Calculate the mass of lead (II) sulfate that should form when 1.25 L of 0.0500 M Pb(NO3)2 and 2.00 L of 0.0250 M Na2SO4 are reacted
asked by Bella 
English (MLA Citations)
I need to cite Beowulf from The Norton Anthology of English Literature, but I'm not sure how, as the author is unknown. Here's the general format for MLA citations given by my teacher: Authors. Title of Piece. Title of Book. Edition. Vol. Editors’ Names.
asked by Beowulf 
Physics
At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 172 lb. During the storm, the crewman finds a maximum reading of 215 lb and a minimum reading of 131 lb. Calculate the
asked by Lilly 
consumer math
The graph represents the purchasing power if the inflation is 12%. Estimate the purchasing power of a monthly salary of $3000?
asked by Kayla 
statistics
1. The time required to complete a project is normally distributed with a mean of 80 weeks and a standard deviation of 10 weeks. The construction company must pay a penalty if the project is not finished by the dues date of the contract. If a construction
asked by Gracie 
Chemistry
Magnesium nitrate reacts with lithium sulfate in a double replacement reaction. You have 3.45 g of lithium sulfate and 275 mL of magnesium nitrate. Calculate the molarity of the Magnesium nitrate solution in the reaction.
asked by Bella 
Physics
A 60 kg boy on roller skates moves with a speed of 5 m/s. He runs into a 40 kg girl on skates. Assuming they cling together after the collision, what is their speed?How much kinetic energy was lost in the collision?
asked by judy 
Calculus
Integrate ∫ xsinxcosx dx
asked by Calculus 
Calculus AB
I have to find the integral of (e^3lnx + e^3x)dx. Can someone help me?
asked by Sarah 
Calculus
A rectangular garden of area 75 sq ft is to be surrounded on 3 sides by a brick wall costing $12 per foot and on one side by a fence costing $7 per foot. Find the dimensions of the garden that the cost of the materials is minimized Read more: A rectangular
asked by math 
physics
A 50 kg crate is pushed at constant speed up the frictionless 31° ramp shown in the figure. A)What horizontal force F is required? B)What force is exerted by the ramp on the crate?
asked by Steve 
Chemistry
A 50/50 blend of engine coolant and water (by volume) is usually used in an automobile\'s engine cooling system. If your car\'s cooling system holds 4.90 gallons, what is the boiling point of the solution? Make the following assumptions in your
asked by Heather 
Physics resistance question
A piece of copper wire of resistance R is cut into 10 equal lengths. These parts are connected in parallel. How does the joint resistance of the parallel combination compare with the original resistance of the single wire?
asked by Anonymous 
Geometry
The altitude of the hypotenuse of a right triangle divides the hypotenuse into segments of lengths 14 and 8. What is the length of the altitude?
asked by Myles 
Math
Binomial problems: Basic Anita's, a fastfood chain specializing in hot dogs and garlic fries, keeps track of the proportion of its customers who decide to eat in the restaurant (as opposed to ordering the food "to go"), so it can make decisions regarding
asked by Armando 
Algebra
You operate a gaming Web site, where users must pay a small fee to log on. When you charged $3 the demand was 520 logons per month. When you lowered the price to $2.50, the demand increased to 780 logons per month. (a) Construct a linear demand function
asked by Erin 
physics
can someone please explain f1d1 = f2d2
asked by jenny 
chemistry
ch3o what is functional group
asked by samira 
chemistry
Explain why an opened bottle of carbonated water keeps its fizz longer if kept in a refrigerator than if kept at room temperature. a. As time elapses the concentration of CO2 inside a closed refrigerator increases. The increased partial pressure of CO2
asked by krystal 
Englishplease help!
It must be nice," she said. "It must be very nice. I wish women could do such things." "It ain't the right kind of a life for a woman. Her upper lip raised a little, showing her teeth. "How do you know? How can you tell?" she said. "I don't know, ma'am,"
asked by Jess 
physics
A catapult used to hold a stone of mass 500g is extended by 20cm with an applied force F.If the stone leaves with a velocity of 40ms1,the value of F is
asked by Godslight 
Math
One shuttle service charges $10 for pickup and $0.10 per mile. The other shuttle service has no pickup fee but charges $0.35 per mile. Find the number of miles for which the cost of the shuttle service is the same. Please help me and show your work thanks.
asked by Cathy 
trig
The angle of elevation to the top of a very tall Building is found to be 9° from the ground at a distance of 1 mi from the base of the building. Using this information, find the height of the building.
asked by Princy 
Math/Finance
General Hospital has a current ratio of 0.5. Which of the following actions would improve (increase) this ratio? (Hint: Create a simple balance sheet that has a current ratio of 0.5. Then, judge how the transactions below would affect the balance sheet.)
asked by W 
Algebra
As Sales Manager for Montevideo Productions, Inc., you are planning to review the prices you charge clients for television advertisement development. You currently charge each client an hourly development fee of $2,600. With this pricing structure, the
asked by Angel 
Science
Oceans receive freshwater from precipitation and rivers. Yet ocean level do not change very much from these actions. Why are ocean level not greatly affected? a) Water is constantly seeping underground in the ocean; B)Water is constantly evaporating over
asked by Maria 
chemistry
A pan full of hot salt water, NaCl(aq), is cooled and NaCl(s) precipitates. Explain why this happens. Chloride ions are more strongly attracted to the metal in the pan than the sodium ions at low temperatures. As the vapor pressure of the solution
asked by krystal 
music appreciation
Clara Wieck Schumann's "Forward" was written for a/an?
asked by wendy 
English
I need a thesis statment for an esaay. I have read the short story "the large ant" but cant think of any thesis statment. Its about human nature and violance.
asked by Sarah 
Math
Carpet plus installs carpet for $100 plus $8 per square yard of carpet. Carpet World charges $75 for installation and $10 per square yard of carpet. Find the number of square yards of carpet for which the cost including carpet and installation is the same.
asked by Caitlyne 
physics
Consider an ideal pulley system. Pull one end of a rope downward by 1 meter with 50 N of force, and you'll lift a 200N load a distance of ____________________. A) 1 meter. B) 0.5 meter. C) 0.25 meter. D) None of these.
asked by britches 
English 3
14. All of the following are unusual elements of Walt Whitman's free verse except a. foreign terms b. invented words c. satirical commentary d. American slang I think it's A but it might also be C.. 15. Which of the following word pairs from Emily
asked by mysterychicken 
Chemistry
A detergent solution has a pH of 11.63 at 25°C. What is the hydroxideion [OH] concentration?
asked by S 
physics
The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes
asked by Natasha 
consumer math
23. Jeremy had a starting balance of $122.00 in his savings passbook. He made these transactions: Deposits of $68.52 and $46.35; Withdrawals of $95.00 and $20.50; Interest $1.50. What is his final balance? (Points : 2) $125.22 $120.22 $112.22 $122.87 24.
asked by josh 
8th grade math
Mr. Rosart selects two students from his class to present their book reports. He places the names of each student in a box and randomly picks one at a time. The class has 14 boys and 12 girls. What is the probability that the second name Mr. Rosart picks
asked by Piggy 
Chemistry
At –10.00 °C (a common temperature for household freezers), what is the maximum mass of fructose (C6H12O6) you can add to 1.00 kg of pure water and still have the solution freeze? Assume that fructose is a molecular solid and does not ionize when it
asked by Heather 
trig
The angle of elevation to the top of a very tall Building is found to be 9° from the ground at a distance of 1 mi from the base of the building. Using this information, find the height of the building.
asked by Princy 
geometry
What is the geometric mean of 7 and 12?
asked by Myles 
Chemistry
The boiling point of an aqueous solution is 102.35 °C. What is the freezing point? Constants can be found here.
asked by Heather 
math geometry
can any two triangles be joined to make a rhombus
asked by ezabai 
Confidentiality Health
Which of the the following statements is true in regard to limited data sets? A.Limited data sets contain some individual identifiers. B.Patients must authorize the use of limited data sets. C. Those !@#$%^&ceive limited data sets can pass them on without
asked by Brenna 
Physics
Your friend's 11.1g tassel hangs on a string from his rearview mirror. When he accelerates from a stop light, the tassel deflects backward toward the rear of the car. If the tassel hangs at an angle of 6.89deg relative to the vertical, what is the
asked by Brice 
algebra
Two ships make the same voyage of 3000 nautical miles. The faster ship travels 10 knots faster than the slower one (a knot is 1 nautical mile per hour). The faster ship makes the voyage in 50 hr less time than the slower one. Find the speeds of the two
asked by Krystal 
physics
The drawing shows a wire tooth brace used by orthodontists. The topmost tooth is protruding slightly, and the tension in the wire exerts two forces and ' on this tooth in order to bring it back into alignment. If the forces have the same magnitude of 17.0
asked by Natasha 
Physics help.
The 78.0 kg climber is supported in the "chimney" by the friction forces exerted on his shoes and back. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are 0.840 and 0.630, respectively. What is the
asked by Lilly 
algebra
Find the slope of the line passing through the points (3, 10) and (4, 5)
asked by Wendi 
physics
A young boy swings a yoyo horizontally above his head so that the yoyo has a centripetal acceleration of 275 m/s2. If the yoyo's string is 0.55 m long, what is the yoyo's tangential speed?
asked by Anonymous 
Physics
A child pushes a merry goround from rest to a final angular speed of 0.78 rev/s with constant angular acceleration. In doing so, the child pushes the merrygoround 1.6 revolutions. What is the angular acceleration of the merry goround? v=d/t .78rev/s =
asked by Joe 
Physics  Grade 12
A bowling ball that weighs 70N is dropped from a tower 15m above the ground. Disregarding air friction, what is the kinetic energy (KE) of the ball when it reaches the ground?
asked by Brean 
algebra
One side of a triangle is half the longest side. The third side is 9 meters less than the longest side. The perimeter is 61 meters. Find all three sides.
asked by Jessica 
Physics
Your friend's 11.1g tassel hangs on a string from his rearview mirror. When he accelerates from a stop light, the tassel deflects backward toward the rear of the car. If the tassel hangs at an angle of 6.89deg relative to the vertical, what is the
asked by Brice 
Chemistry
What is chemical name for Na2Cr2O2?
asked by Chemo 
PreAlgebra Math
Emma bought 6 new books for her collection. This increased her collection by 12%. How many books did she have before her purchases?
asked by Anonymous 
Physical Science
A wooden raft 3 m long x 2 m wide x 20 cm thick floats on a freshwater lake. A) Determine the buoyant force? B) If the raft itself has a mass of 600 kg, how many 65kg people could it support?
asked by Jessica 
Algebra
The amount of carbon dioxide (in pounds per 15,000 cubic miles) released by a certain SUV depends on its fuel efficiency according to the formula W = 33x2 − 2145x + 43,000 (12 ≤ x ≤ 33) where x is the fuel efficiency of an SUV in miles per gallon.
asked by Eric 
physics
A brick is thrown upward from the top of a building at an angle of 25° to the horizontal and with an initial speed of 16 m/s. If the brick is in flight for 3.1 s, how tall is the building?
asked by sid 
English 3
10. In the end of the story, most of the inhabitants of Rip Van Winkle's village a. doubt his truthfulness b. believe, enjoy, and retell his tale c. consider him deluded d. ignore his story B? 13. The character of the narrator in "The Fall of the House of
asked by mysterychicken 
statistics
Using the county auditor's list of households the researcher randomly selected 100 homes and contacted the residents. Of the 100 homes it was found that 62 had cable television. Which of the following are true? The population of interest is the proportion
asked by jessica 
English
what are the strengths and what are the weaknesses of George and Lennie's relationship in John Steinbeck's "Of Mice and Men"?
asked by Maria 
chemistry
A bottle of 80 proof alcohol is 40% ethanol and 60% water. What is the solvent in this solution? water
asked by krystal 
chemistry
What happens to the solubility of oxygen gas (O2) in water in each situation? a. The pressure of O2 over the solution is decreased. solubility decreases solubility remains the same solubility increases b. The temperature is decreased. solubility remains
asked by krystal 
Science
Scientist study many factors that allow them to predict weather. Which factor most directly affects the movement of air? a) air pressure; b) precipitation; c) relative humidity; d) temperature
asked by Miliano 
Trigonometry Help
Simplify: sin(xy)cosy+cos(xy)siny = (sinxcosycosxsiny)cosy+(cosxcosy+sinxsiny)siny = ??? What do I do next??? Please Help and Thank You
asked by Anonymous 
Chem
In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 41.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse
asked by Andrew 
Chemistry
Express the concentration of a 0.0860 M aqueous solution of fluoride, F–, in mass percentage and in parts per million. Assume the density of the solution is 1.00 g/mL.
asked by Heather 
Advanced Maths (Vectors) AQA Level
A boat which can travel at 5m/s in still water is crossing a river 200 m wide.the rate of the flow of the river is 2 m/s assumed uniform at every point in the river. Point A and B are directly opposite to each other across the river. a) If the boat leaves
asked by Jat 
Physics electromagnetism
four equal point charges are at the corners of a square. where besides infinity and at the center of the square is the strengh field zero?
asked by Antonio 
Algebra
You have just opened a new nightclub, Russ' Techno Pitstop, but are unsure of how high to set the cover charge (entrance fee). One week you charged $8 per guest and averaged 330 guests per night. The next week you charged $10 per guest and averaged 300
asked by Anonymous 
Literary Composistion
For this essay choose one of the stories from Units 17 of your literature lessons. Imagine that you are the author of the story and using first person point of view introduce yourself, your story, and state the theme of your story. Then explain how you
asked by A student 
MATH
THE RATIO OF THE PERIMETERS OF TWO SIMILAR TRIANGLES IS 1:3. htE AREA OF THE LARGER TRIANGLE IS 27FT^2. WHAT IS THE AREA OF THE SMALLER TRIANGLE. SORRY FOR THE CAPITAL LOCK. MY COMPUTER KEPBOARD WILL NOT PUT IT TO LOWER CASE SORRY AGAIN.
asked by ZACH 
Physics
A bomber flies horizontally with a speed of 114 m/s relative to the ground. The altitude of the bomber is 2120 m and the terrain is level. Neglect the effects of air resistance. The acceleration of gravity is 9.8 m/s2 . A bomber flies horizontally with a
asked by Lima 
Chemistry
Balance the follow equation using change in oxidation number method. (1) P4 + HNO3 = H3PO4 +NO2 + H2O (2) Na2Cr2O7 + FeCl2 + HCl = CrCl3 + NaCl + FeCl3 + H2O
asked by Chemo 
GEOMETRY
Which statement is the contrapositive of the following conditional: If a triangle is isosceles, then it has 2 congruent sides. a. If a triangle does not have 2 congruent sides, then it is not isosceles. b. If a triangle is isosceles, then it does not have
asked by LAUREN 
math
one angle of triangle measures 110 degrees the other two angles are in a ratio of 5:9 what are the measures of those tow agnels
asked by Anonymous 
physical chemistry
1.) Calculate delta rH for the freezing of water at one bar and 10 degrees C. The heat capacities are H2O(s)=36.9 JK1mol1 and H2O(l)=74.5JK1mol1. delta H for freezing of water at 0 degree C is 6602Jmol1 (assume C is independent of temperature). 2.)
asked by nicole 
physics voltage
If one lamp of a group of five identical lamps in series is removed, the voltage across the empty socket becomes equal to the line voltage, rather than remaining onefifth of it. Why?
asked by Anonymous 
Math
You made $3000 on a part time job last year. If you expect to make the same amount this year and the inflation rate is 3%, what is your purchasing power?
asked by Kayla 
Physics
A 5.7 kg concrete block rests on a level table. A 4.0 kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the
asked by Steve 
physics
6. You have kinetic energy when you run. If you run three times as fast, you'll have a kinetic energy ____________________. A) 3 times as much. B) 6 times as much. C) 9 times as much. D) that is the same. E) None of these.
asked by britches 
social and environmental issues life orientation
Appropriate ways to deal with environmental or human factor that causes ill health,accidents crises and disasters
asked by sumaiya 
language arts/ analogies
Complete the analogies by selecting the pair of words who's relationship most resembles the relationship of the pair in capital letters. SCOLD:CHASTISE:: a. echo: reverberate b. depart: embark c. praise: lionize d. increase: augment (I think it is either a
asked by SoccerStar 
Physics
If a bicyclist of mass 68.0 kg (including the bicycle) can coast down a 7.00° hill at a steady speed of 6.20 km/h because of air resistance, how much force must be applied to climb the hill at the same speed (and the same air resistance)?
asked by Nick 
PHysics
A chain consisting of five links, each of mass 0.150 kg, is lifted vertically with a constant acceleration of a = 2.2 m/s2. Find the magnitude of the force that link 3 exerts on link 2. What is the magnitude of the force F that must be exerted on the top
asked by Steve 
8th grade math
George has a bag of marbles. Inside the bag are 5 red marbles, 3 green marbles, and 2 blue marbles. He draws out two marbles in a row, without replacement. What is the number of outcomes?
asked by Piggy 
8th grade math
A box contains 5 bags of potato chips, 4 bags of pretzels and 1 bag of corn chips. Andre reaches in the box and randomly picks two bags, one after the other. What is the probability that Andre chooses a bag of potato chips if the first bag was pretzels?
asked by Piggy 
acct
Far North Telecom, Ltd., of Ontario, has organized a new division to manufacture and sell specialty cellular telephones. The division’s monthly costs are shown in the table below. Far North Telecom regards all of its workers as fulltime employees and
asked by mark t 
Physics
A block of mass 4.6 kg slides 15 m from rest down an inclined plane making an angle of 20 o with the horizontal. If the block takes 10 s to slide down the plane, what is the retarding force due to friction?
asked by Steve 
economics
An article in Business Week warned of the dangers of deflation as the collapse of numerous Asian economies was creating worries that Asia might try to “ export its way out of trouble” by oversupplying everything from automobiles to semiconductors.
asked by Melissa 
math 150
How do I calculate the expected value of a ten spot keno game?
asked by patty 
chemistry
a. Listening to the weather report, you hear that the barometer is falling. What part of the barometer is falling? The level of mercury is falling. b. What is happening to the air pressure? The air pressure is decreasing.
asked by krystal 
Chemistry
If you mix 20.0 mL of 1.00 x 104 mol/L NaCl with 20.0 mL of 2.00 x 106 mol/L AgNO3 will a precipitate form ? If it does it will be AgCl, which has a Ksp of 1.80 x 1010. i'm not quite sure how to figure this out...
asked by Aria 
physics
A man stands on the roof of a 10.0 tall building and throws a rock with a velocity of magnitude 30.0 at an angle of 34.0 above the horizontal. You can ignore air resistance. Calculate the horizontal distance from the base of the building to the point
asked by Rei 
math
Jeff is building triangles with different lengths of cm rods. He has two rods measuring 6cm and 9cm. Which of the following would not form a triangle if laid them end to end? 3cm,5cm,6cm or 9cm?
asked by brianna 
Physics
A 5.7 kg concrete block rests on a level table. A 4.0 kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the
asked by Steve 
calculus
The revenue from the sale of x units of a product is represented by the following formula. R = 10(5x + 1)–1 + 70x – 11 dollars Find the marginal revenue when 50 units are sold. (Round your answer to the nearest cent.)
asked by Mike 
physics
In the figure below, an object, after being released from its circular path, travels the distance OA in the same time it would have moved from O to P on the circle. The speed of the object on and off the circle remains constant at the same value. Suppose
asked by Natasha 
Physics
A 2 kg clay ball traveling left to right at a speed of 6 m/s strikes and sticks to a 10 kg ball at rest. What is the fractional loss of kinetic energy after collision?
asked by Jason 
Physics
A 5.7 kg concrete block rests on a level table. A 4.0 kg mass is attached to the block by a string passing over a light, frictionless pulley. If the acceleration of the block is measured to be 1.0 m/s2, what is the coefficient of friction between the
asked by Eva 
physics/chemistry
is conductivity a physical or chemical property
asked by bob 
Geometry
In ^DEF, the bisector of
asked by Myles 
Algebra 2
The following polynomial function models the speed of a swimmer doing the breast stroke during one complete stroke, where t is the number of seconds since the start of the stroke. S= 241t^7 + 1062t^6 1871t^5 +1647t^4  737t^3 + 144t^2 2.432t A) At what
asked by Danielle 
Algebra
Two fraternities, Sig Ep and Ep Sig, plan to raise money jointly to benefit homeless people on Long Island. They will sell Yoda vs. Alien Tshirts in the student center, but are not sure how much to charge. Sig Ep treasurer Augustus recalls that they once
asked by Jane 
physics
A wire having mass per unit length of 0.440 g/cm carries a 2.80 A current horizontally to the south. What are the direction and magnitude of the minimum magnetic field needed to lift this wire vertically upward?
asked by Jessica 
physics
How far to the nearest tenth of a meter can a runner running at 11 m/s run in the time it takes a rock to fall from rest 78 meters?
asked by Anonymous 
Math
Evaluate the following expressions: A.) P(105,1) B.) P(10,4) C.) P(11,3)
asked by Kim 
physics
Consider an ideal pulley system. Pull one end of a rope downward by 1 meter with 50 N of force, and you'll lift a 200N load a distance of ____________________. A) 1 meter. B) 0.5 meter. C) 0.25 meter. D) None of these.
asked by britches 
Math
A loaf of bread was shared by four people. The amounts they each received were in the ratio of 2/3 : 1/2 : 1/3 : 1/4. What fraction of the loaf of bread did each person receive?
asked by CrissyXD 
physics
5. An object that has kinetic energy must have A) momentum. B) acceleration. C) a force applied to it. D) All of these. E) None of these.
asked by britches 
physics
5. An object that has kinetic energy must have A) momentum. B) acceleration. C) a force applied to it. D) All of these. E) None of these.
asked by britches 
geometry
Adelina is creating a piece of art that is in the shape of a parallelogram. its dimensions are 35 inches by 28 inches and one angle is 80 degrees. find the lengths of both diagonals.
asked by Jojo 
Algebra
A reguluation racquetball court should have a perimeter of 120 ft, with a length that is twice the width find the length and the width of a court
asked by MissMoe 
business
Which should NOT be included as a heading in a chronological résumé? “Experience” if you only have one item to list under this heading “Education and Experience”, because these two items should be listed separately “Honors and Awards”,
asked by Anonymous 
algebra
Solveing using the addition method 5x9y=19 8x7y=9
asked by Anonymous 
Math
1. Is it more appropriate to use scientific notation for approximates or exact numbers? why? 2. In one plantation, there are 2700 young trees correct to 2 significant figures. In the other there are 830 full grown trees, correct to 2 significant figures.
asked by Jason 
Mechanics AS (Vectors)
When Studying Vectors, How Would I Go About Answering This Question? In Each of the following Cases, find the magnitude and direction of the resultant vectors of the two given vectors: a) a displacement of magnitude 26km on a bearing of 175 degrees and a
asked by Jat 
physics
A man stands on the roof of a 10.0 tall building and throws a rock with a velocity of magnitude 30.0 at an angle of 34.0 above the horizontal. You can ignore air resistance. Calculate the horizontal distance from the base of the building to the point
asked by Rei 
math
How many different whole numbers can be made with the digits 5, 7, 8? For this problem, each different whole number may have 1, 2, or 3 digits and a digit may be repeated.
asked by eric 
Geometry
Please Help Me! Find the area of this polygon rround to the nearest tenth. The polygon is a hexagon with six sides, and all they give is the apothem which is 6 inches long, what is the area? I know the formula is A=1/2ap But can anyone help!
asked by Geomtery 
physics
Calculate the watts of power expended when a force of 1.8 N moves a book 2.0 m in a time interval of 1.0 M/S
asked by britches 
English
I am trying to use this as an objective for my resume. I am applying for a hostess position. Please let me know if this is good or how can I make it better for the resume. To pursue a position as Host/Hostess in which my professional skills would be used
asked by angela b 
Physics HELP!!
The mass of a certain neutron star is 3.0 1030 kg (1.5 solar masses) and its radius is 7550 m. What is the acceleration of gravity at the surface of this condensed, burnedout star?
asked by Steve 
geometry
If you had a room that is 10 foot by 12 foot in the shape of a rectangle, and one gallon of paint covers about 350 square feet, how many gallons of paint would you have to buy if you were painting the walls and the ceiling?
asked by Courtney 
Chemistry
Explain, using collision theory, the effect of decreasing temperature on the rate of a chemical reaction. Explain, using collision theory, the effect of increasing concentration on the rate of a chemical reaction. Explain, using collision theory, the
asked by Aria 
INF 336: Project Procurement
a. Why is it preferable to separate need identification and defining commercial equivalents into two separate stages? b. Why is early supply/supplier important? c. What are the disadvantages of specifying by performance? What are the advantages? d. How
asked by kim 
SOCIAL STUDIES
I am study the art culture of Mexico and famout mexican muralist Diego Rivera. I have 2 queestions not sure how to answer 1) The mexican muralist created one of Latin Americas unique art movements. They attachked colonism by creating public, revolutionary
asked by marko 
Geometry
Given: 7x + 2 = 2 + 5x – 6 Prove: x = –3 Given the equation 7x + 2 = 2 + 5x – 6, use the commutative property to rearrange the terms so that like terms are next to one another. This gives the equation 7x + 2 = 2 – 6 + 5x. Then, use the
asked by Anonymous 
law
Identify and analyze the different crimes for which students are most at risk for in K12, include some of the differences in victimization found across elementary, middle school, high schools, and college. why you think these crimes occur within the
asked by sharday 
calculus
The voltage signal from a standard European wall socket can be described by the equation V(t)=325sin100 pi x , where t is time, in seconds and V is the voltage at time, t. determine the period frequency and amplitude
asked by bob 
coordinate geomtry
find the distance between (cos 35 degree, 0) and (0,acos 55 degree)
asked by lizy 
perimeter problems math
janet built a 5inch ny 7inch rectangle A:what is the perimeter of janets rectangle? B:the perimeter of olivia's rectangle is 150% as long as janet's. what is the perimeter of olivia's rectangle? C. what is the area of janets rectangle? D.the area of
asked by justin 
physics
For the reaction, A ¨ B, ƒ¢H‹ = +11.00 kJ mol1 and Keq is 12.50 Calculate i) ƒ¢G‹ and ii) ƒ¢S‹ at 25 ‹C. [0 ‹C = 273.15 K; R = 8.314 J K1 mol1]
asked by jenny 
math
A purse contains $3.65 in quaters and dimes. There are 9 more quaters than dimes. Find the number of quaters and dimes.
asked by Anonymous 
algebra
A chemist has a solution that is 20% HIC and a solution that is 50% HCI. How much of each solution should be mixed to attain 300ml of a solution that is 30% HCI?
asked by Susannah 
geometry
whats m
asked by Anonymous 
Math 208
Question number 5 is talking about a public fouryear college. So we know this: 2000$3,500 2001$3,700 2002 ? 2003 ? 2004? 2005$5,100 Repeating exercise 14 it is talking about private fouryear college. So we know this: 2000$16,200 2001$17,300
asked by Wanda 
geometry
Point E is the centroid of triangle ABC. Find DB. AF = 10x=3 EF = 2x+5 EB = 4x+3 This is for median of triangles.
asked by Anonymous 
Physics
A 260kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an
asked by Natasha 
chemistry
A 11.0% (w/v) solution of ethyl alcohol is diluted from 51.0 mL to 230.0 mL. What is the new weight/volume percent?
asked by Kyle 
Chemistry
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 19.0% NaOH by mass?
asked by Heather 
scottsdale CC
At 0.100 s intervals, the x coordinates of a particle are 0, 1.01 cm, 2.05 cm, and 3.12 cm. Estimate the instantaneous velocity and acceleration at t = 0.
asked by juan 
Chemistry
When 4.73 g of a nonelectrolyte solute is dissolved in 965 mL of water at 28 °C, the resulting solution exerts an osmotic pressure of 945 torr. What is the molar concentration of the solution? How many moles of solute are in the solution? What is the
asked by Josh 
Electrotechnics N4
coil having 1000 turns with cross sectional area of 100mm2 and mean length per turn of 100mm, has a inductance of 10 henry. Calculate the resistance of the winding if resistance of the conductor is 10 micro ohms ? What formula?
asked by Anonymous 
business
If a group does not formally vote during a meeting: athe meeting is a waste of time. bthe leader should summarize the group's consensus after each point. c the meeting is most effective. d the leader should make everyone stay until a formal vote is
asked by Anonymous 
maths
could you please help me.... Draw the graph of y=x3 for values of x from 3 to 4 also how would you draw the graph of to 2x+y=7 for values of x from 0 to 5 i don't need the graph drawn i just need two plots for each! thanks
asked by jacob 
science
A rigid container holds a gas at a pressure of 55kPa and a temp of 100.0 deg C. What will the pressure be when the temp is increased to 200.0 deg C?
asked by Anonymous 
algebra
the price of a car depricates over time at a rate of approximately 18% according to the formula (C)t=36,500(0.82)^t. what was the inital cost of the car? what will the car be worth in 4 years? when will the car be worth less than 5,000?
asked by jessica 
Chemistry
1) For a freezing point depression experiment we had to create an ice bath and add salt to the ice. I have to answer the question, why was salting the ice necessary in order to complete the experiment and how does this apply to the principles/concepts
asked by Hannah 
calculus
Compare the standard wall socket voltage signals of Europe and North America. Recall that in North America, the voltage is described by the function V(t)=170sin120 pi x
asked by jim 
English
Life would best be symbolized by what? A. darkness B. island C. tree D. stone
asked by Katlin Hanson 
physics
A 1000N crate resting on a surface is connected to a 500N block through a frictionless pulley . Friction between the crate and surface is enough to keep the system at rest. What is the tension and friction in newtons?
asked by Anonymous 
Physics
what is the voltage acros a 60.0 resistor with a current of 3 1/3 a?
asked by Hannah 
physics
A girl sitting on a merrygoround 1.50 m from the center moves counterclockwise. If the girl's angular displacement is 1.67 rad, what is the arc length through which she moved?
asked by Anonymous 
math
Business and Economics: For a business to make a profit it is clear that revenue R must be greater than cost C; in short, a profit will result only if R>C. if a company manufactures records and its cost equation for a week is C = 300 + 1.5x and its revenue
asked by momin 
business math
A videocassette manufacturer has determined that its weekly cost equation is C = 3000 + 10x, where x is the number of cassettes produced and sold each week. If cassettes are sold for $15 each to distributions, how many must be sold each week for the
asked by mina 
APUSH
Describe the presidency of calvin coolidge.
asked by Pearl Angel 
Physics
A 260kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.870, and the log has an
asked by Natasha 
Physical Science
A 200L iron tank has a mass of 36 kg. a) Will it float on seawater if empty? b) What mass of potatoes could be added such that the tank would still float? [Note: 1000 L = 1 m3 ]
asked by Jessica 
Calculus
Verify if correct or not please =) What is the slope of the normal to y= (x^21)/(x+5) at (1,0) a) 3 b) 1/2 c) 1/3 d) 1/3 Answer is A, 3.  What is the yintercept of the line that is tangent to f(x)=4/(3x+1) at
asked by Jake 
physics
if one man 50 kgs fell from 10 meter high builder, how much impact force when he hit the concrete ground and how long the time it happen.
asked by allen 
financial and managerial
Select a Local Hospital And Compare Its Financial Ratios For The Most Recent Three Years Against The National Norms For That Type Of Institution
asked by Anonymous 
Chemistry
For the reaction, 2 XO + O2 = 2 X02, some data obtained from measurement of the initial rate of reaction at varying concentrations are given below. run # [XO] [O2] rate,mol Ll s1 1 0.010 0.010 2.5 2 0.010 0.020 5.0 3 0.030 0.020 45.0 The rate law is
asked by Kay 
chemistry
Consider the following reaction: 2 NO(g) + O2(g) > 2 NO2(g) + energy if the number of moles of oxygen is increased to two moles, the a. reaction speeds up b. reaction slows down c. temperature increases d. temperature decreases I'm not really sure what
asked by Aria 
Math
The perimeter of a regular pentagon is 35in. What is the lenght of one side of the pentagon? Show your work.
asked by Leah 
math
Two fractions have the same denominator. Which is the greater fraction: the fraction with the greater numerator or the lesser numerator?
asked by Dylan 
chemistry
At which temperature is NaCl more soluble in water, 0°C or 90°C? 0°C 90°C
asked by krystal 
Math
The table shows the number of classrooms needed for different numbers of students. Total Students Classrooms 66 3 110 5 154 7 220 10 What is the relationship between Total Students and Classrooms? A.Classrooms=Total Students divided 33 B.Classrooms=Toal
asked by Colton 
Science
Are all solutions mixtures? Are all mixtures solutions? Explain with examples. I put all solutions are mixtures but all mixtures aren't solutions. I don't know how to explain it with examples
asked by Andrew 
Science
Ed wants to determine if there is a trend in air temperature changes during April. Which of the following procedures should he follow? a) Measure the temperature every hour for 1 day; b) Measure the temperature at noon every day in April; c) Measure the
asked by Mia 
physics
Which requires more power? lifting a 25 kg bag of cement 10 m vertically in 1 minute, or lifting a 50 kg bag 5?
asked by britches 
english
ROMEO AND JULIET what are juliets feelings towards romeo in act 3 scene 2 from lines 135?
asked by ali 
math
I have a board 55 inches long, and 12, 4 inch balls, how far apart do I space them?
asked by Anonymous 
Spanish
¿Cómo son las monedas de pesos mexicanos?We had to do a reading and type the answersnot sure about this question Hay monedas de un peso, cinco pesos, diez pesos y de centavos. ¿En cuáles países se usa el dólar estadounidense? Panamá y Puerto Rico y
asked by Audrey 
business
A job application letter is different from a resume in that: a.it presents a job candidate's qualification. b.it uses short,parallel phrases and sentence fragments. c.it is adapted to a position rather than to the needs of a particular organization. d.it
asked by Anonymous 
Chemistry
At a temperature of 30.°C, a gas inside a 1.50 L metal canister has a pressure of 760 torr. If the temperature is increased to 55°C (at constant volume), what is the new pressure of the gas?
asked by Kyle2 
Chemistry
A solution is made by dissolving 0.526 mol of nonelectrolyte solute in 831 g of benzene. Calculate the freezing point and boiling point of the solution. Constants may be found here.
asked by Heather 
social
resident at a small new england town meeting vote to install signal at an intersection near the school
asked by guerson 
Psychology
Sally is driving her car and talking on her cell phone. Statistically this behavior has been shown to be quite dangerous and contributes to many automobile accidents. In performing these two tasks simultaneously, Sally uses: a. conscious cognitive
asked by Tessy 
Computers (XML)
employees.xml Linda P. Jone 3863332321 Tom Smith Hilda Parham 3864555675 Create a DTD files â€œemployee.dtdâ€ based on â€œemployees.xmlâ€. Create a schema files â€œemployee.xsdâ€ based on â€œemployees.xmlâ€. Create a
asked by Lisa 
analogy
mountain: fountain:: change
asked by Anonymous 
BUSINESS
following is NOT something a group should do when it plans a collaborative writing project? ADivide the work ahead of time according to how the leader thinks it will best be done BMake your analysis of the problem, the audience, and your purposes
asked by Anonymous 
stats
microfracture knee surgery has a 75 chance of success on patients with degernerative knees. the surgery is performed on 5 patients. find the probability of the surgery being succesful on less than 3 patients?
asked by Anonymous 
Chemistry(Urgent, please help,thank you)
After performing a freezing point depression experiment I had to find the molecular weight of glycol. Now I have to answer the question what value did I assume "i" to equal and why did I make this assumption. My teacher told us the value of i to use for
asked by Hannah 
Probality
For the data ; let A denote the sample mean and M denote the sample median. Then value of A & M???
asked by Saya 
Calc
Write the equation of the line tangent to the graph of the function at the indicated point. As a check, graph both the function and the tangent line you found to see whether it looks correct. (1/x^3 x)^2 at x= 2
asked by Mike 
maths
How do I find the derivative of ln(ln(1x))? I know that the derivative of ln(ln(x)) would be 1/xlnx. Would the answer be 1/(1x)ln(1x)?
asked by Ashley 
Human Relations
How can I compare Southeast Asian cultural values with American cultural values? I need to give two examples of this. I understand that most American cultural values involve having a job to earn money.
asked by Alex L. 
Chemistry
According to the second law of thermodynmics..a) cold moves to hot B) low pressure moves to high pressure C) wet moves to dry D) dry moves to wet
asked by L.Bianchessi 
Trig
#1 (1/sinx)(sin^2x + cos^2x(sinx/cosx) )/(sinx + cosx) = (sinx + cosx)/(sinx+cosx) = 1 Reiny helped with this question but I don't how Reiny did it. Please explain
asked by Anonymous 
Statistics
Red has probability .30 and black has probability .70. What is the probability that patron will win all ten wagers if alternating between red and black on each wager? What would be the standard deviation?
asked by Joe Dee. 
physics
a ball (mass = 0.250 kg) is kicked off a porch (h = 1.50 m above the ground) with an initial velocity of 17.0 m/s at an unknown angle. what is the initial KE. What is the initial PE. what is the KE and speed of the ball when it is at the top of its
asked by jane 
English
Thank you very much for your revision! I just wanted to know if I can use indirect speech in this rephrase: Then the poet has doubts about the fate of a fair youth. Will he also undergo the ravages of time since sweet and beautiful creatures don't stay
asked by Henry2 
business
Following is NOT something a group should do when it plans a collaborative project? following is NOT something a group should do when it plans a collaborative writing project? Divide the work ahead of time according to how the leader thinks it will best be
asked by Anonymous 
American Goverment
What is one way the Federal Communications Commission regulates radio and television broadcasts?
asked by lalt 
Physics
As a block of wood with the mass of 2.00 kg slides along a floor, it's speed decreases from 4.0 m/s to 1.0 m/s. How much kinetic energy does it lose?
asked by Skyler 
12th bio.
male ke sperm ka stracther
asked by Dharmedra verma 
science
Ball 2 with a mass of 30 kg, is moving left at 10 m/s. At what velocity should ball 1, with a mass of 10 kg, move to the right and collide with 2, so that ball 1 rebounds with a velocity of 10 m/s. assume that the collision is perfectly elastic.
asked by Milli 
physics
An object is thrown upwards and after 2 seconds is 78 m above where it was initially thrown. Assume no air resistance, and determine the initial speed the object was thrown at.
asked by Cassandra 
business
which of the following is not a technique for emphasizing material in a résumé? Apresenting it in vertical lists Bincluding it as part of lengthy paragraph C offsetting it with white space D positioning it at the top of a page the answer is B
asked by Anonymous 
calculus
Differentiate both sides of the double angle identify sin 2x= 2 sin x cos x to determine an identify for cos x. Find the first derivative, second derivative, third fourth, fifth, sixth, seventh and eighth derivative. Use the results to find the twelfth and
asked by john 
Essay Check
This is a paragraph in my essay. Please tell me if this makes any sense. (basically I want to save money by earning a quality and cheap education so I can save money to be able to open a free clinic to help people) >>>>>>>>>>>>>>>> By attaining education
asked by Hero 
biology
why DNA replication necessary to life?
asked by Shreya 
English
I included my doubts using question marks. I need to rephrase "hopefuls", "disposable" and the last sentence. I really hope you can help me. 1) Craig Jones is not only an office worker, but he is also a talented singer who dreams of becoming a star. 2) He
asked by Henry2 
statistics
The population standard deviation (σ) for a standardized achievement test that is normally distributed is 8. a.) Calculate the standard error of the mean if you draw a random sample of 50 test scores. Show your work for full credit . . . b.) Your sample
asked by PK 
Physics
Suppose your power company charges $1.00 per kWh as its power rate. (a) What is the power in kW for an air conditioner that pulls 5 A on your standard 115 V household circuit? (b) How much does it cost you to run your air conditioner for 12 hours?
asked by Hannah 
Physics (2)
I have this number where they give me the coordinates of 3 particles and the mass of each one of them. Afterwards, there's a force applied on 2 of those particles and they ask me to calculate the systems total moment of inertia. But then they ask me this:
asked by Raf 
statistics for behavioral sciences
In a one to twopage Microsoft Word document, for each hypothesis listed indicate: Whether the appropriate analysis would be a onetailed test or a twotailed test. A type I and type II error, given the context of the hypothesis. Hypothesis: The three
asked by troy 
Calculus AB
I have to find y' if ln(xy) = x + y. Where do I start? I'm not sure what to do with that ln(xy)
asked by Sarah 
algebra
find a table or other rectangular object and measure the length width and perimeter use feet or inches as your unit of measure express the length in terms of the width
asked by Anonymous 
Math
8 = 6 + p/2 *The p/2 is not dividing it's p over 2 like in a fraction.
asked by Natalie 
accounting
On December 31, 2009, $150,000 of 14% bonds were issued. The market interest rate at the time of issuance was 15%. The bonds pay interest on June 30 and December 31 and mature in 8 years. Compute the selling price of a single $1,000 bond on December 31,
asked by bry 
7th grade health
What is the scrambled word? Here is the definition. Mineral that helps regulate fluid balance in the body. Here is the scrambled word. samuposti Please help thank you
asked by saranghae12 
science
On reducing the volume of gas at constant temperature,the pressure of the gas increases .Explain why?
asked by twookio 
science
Two balls of masses 5 kg and 15kg are separated by a fixed distance of 0.8m. find the position of the centre of mass of system
asked by raynold 
algebra
Add. (2a^42a^3+3a^2+14a5)+(a^5+7a^3+7a^23a+2)+(5a^4+a^28a6)
asked by jossie 
Math
A bottle contains at least 4 times as much juice as a glass contains. The bottle contains 32 fluid ounces. Write an inequality that shows this relationship. Please help me show your work please and thank you
asked by Amanda 
English
I'm including an introductory part I wrote on Shakespeare's sonnets. Can you please check it, Writeacher? Thank you!! 1) Shakespeare’s sonnets were published in 1609, although they were probably written in the 1590s. The collection includes a hundred and
asked by Henry2 
English Literature
Can i please get the analysis of the poem "Horses" by Edwin Muir? This should not, however, be confused with another of his poems "The Horses". Thank you.
asked by Barbie 
English
Writeacher, I need to rephrase a few verbs related to film stars. I also wanted to prepare a sort of vocabulary to be used when describing music groups. Can you suggest a website? Thank you very much. 1) She's been involved in show business (?) since she
asked by Henry2 
Physics
A crane is holding a bloc of metal of 10 000kg. If the crane's arm weights 1000kg and is 10,0m long, what is the tension in cable a and how big is the force exerted on the pivot of the cranes arm. the cable passes through the top of the cranes arm and then
asked by Raf 
statistics
how is statistics defined
asked by c 
8th grade math
At Maryland Middle School, there are 9 mathematics classes. If two mathematics classes are selected for a school competition, what is the number of possible outcomes?
asked by Piggy 
Calculus
Find an equation (in terms of x and y) of the tangent line to the curve r=3sin(5theta) at theta=pi/3
asked by help 
Criminal justice
What kinds of characteristics might make a suspect in a crime a viable candidate for the problem solving drug courts?
asked by Michelle 
English
Thank you very much Writeacher! I added a few more things. I'd like you to check them, please 1)At the end of sonnet 12: The image of time as death, bearing a scythe (typical in medieval and Renaissance iconology) is left impotent by the presence of the
asked by Henry2 
Probality
The probability that a prime number occurs on at least 2 tosses when a balanced dice is tossed 5 times independently is equal to???
asked by Saya 
physics
A woman passes through a door revolving with an angular speed of 2.2 m/s. If she is 0.80 m from the center of the door, what is the door's tangential speed
asked by Anonymous 
World History
10. The Crimean war was fought between France and a. Russia b. Great Britain c. Italy d. Germany A 26. Theory that plant and animal life developed from common ancestors over millions of years evolution 30. Study of roots of behavior in the unconscious
asked by mysterychicken 
physics
In a lab, a student measures the unstretched length of a spring as 0.109 m. When a 131.4g mass is hung from the spring, its length is 0.201 m. The massspring system is set into oscillatory motion, and the student observes that the amplitude of the
asked by janny 
physics
the linear momentum of a 400 kg giraffe at 5 m/s is
asked by Anonymous 
calculus
f(x)= 3x^7 +2x 9 If g(x)= f inverse of x and g(4)= 1, what is g'(4)? I know that f inverse is the same as 1/f'(x) but I'm not sure where to go from there.
asked by k 
physorbit
A spacecraft is in orbit around a planet. The radius of the orbit is 3.2 times the radius of the planet (which is R = 71490 km). The gravitational field at the surface of the planet is 24 N/kg. What is the period of the spacecraft's orbit?
asked by opp 
college algebra
Find the domain of the function. q(s) = sqrt of 81s^2
asked by missy 
math
In the annual walkathon, Lee jogs for 5 3/4 miles more than he walks. If he travelled a total of 15 miles, how many miles did he walk
asked by lee 
Chemistry
How many grams of nickel (II) chloride must be added to 1.50 L of a 0.500 M sodium sulfide solution to precipitate out all of the product of interest?
asked by Bella 
programming
In order to share an XML file among different systems and programs, this XML file need to checked well, what are the two things to be done? /////////////////////////////////employees.xml//////////////////////////////////////////// Linda P. Jone
asked by Lisa 
math
Through how many degrees does the minute hand move from 4:00 to 4:30?
asked by Anonymous 
programming
In order to share an XML file among different systems and programs, this XML file need to checked well, what are the two things to be done? /////////////////////////////////employees.xml//////////////////////////////////////////// Linda P. Jone
asked by Lisa 
physics
What power  in Watthours  is needed at home on your standard 115 V circuit to run: (a) a 10 A air conditioner for one hour to completely cool off your room, or (b) a 3 A electric fan to keep a constant flow of air over you for five hours? (c) Which is
asked by Abby 
physics
what is the angular speed of one satellite as seen by an astronaut in another satellite?
asked by vivek 
business
Positive roles and actions of individuals that help the group achieve its task goals include?A. Recognizing the contributions of members. B. Disagreeing with everything that is proposed. C. Restarting major points, pulling ideas together, and summarizing
asked by Anonymous 
English
Writeacher, I'm posting the last sonnet I need to rephrase for tomorrow. I really hope you can have a look at it. 1) Sonnets 116 is about love in its most ideal form. The poet thinks that true love is to be based on mutual trust and understanding. 2) True
asked by Henry2 
algebra
How do i solve 8y to the 2nd plus 30y plus 13
asked by Anonymous 
chemistry
For the reaction, A ¨ B, ƒ¢H‹ = +11.00 kJ mol1 and Keq is 12.50 Calculate i) ƒ¢G‹ and ii) ƒ¢S‹ at 25 ‹C. [0 ‹C = 273.15 K; R = 8.314 J K1 mol1]
asked by jenny 
English
I have an article called ‘‘It would have been worse under Saddam:’’ Implications of counterfactual thinking for beliefs regarding the ethical treatment of prisoners of war” by Keith D. Markman , Nobuko Mizoguchi Matthew N. McMullen Can I take out
asked by Anonymous 
business
Nonverbal symbols : Acannot be studied or learned because they are an inherent part of a person Bhave the same meaning within a single culture Cmay be communicated from one person to another without the sender even realizing it Dare easy to clear up if
asked by Anonymous 
Chemistry
You work for a nuclear company and you want to separate out radioactive carbon from the soil sample. You calculate that you should get out 351.2g of carbon from your reaction but in the lab you only weigh out 311.7g after the procedure is finish. Is there
asked by Bashu 
Physics 30
Vectors A) 3.5 cm North B) 4.2 cm West Algebraically subtract B from A(BA) Whaaaa? Please help
asked by Don 
Math
The graph shows the number of airplanes that flew out of an airport last week Mon=4airplanes Tues=7airplanes Wed=3airplanes Thu=8airplanes Fri=5airplanes If each airplane carried 120 people then how many people flew out of the airport last week? A.3240
asked by Andrew 
law
In your opinion should there be a specific curriculum included in school and college syllabus which would teach students on interpersonal cohesiveness?
asked by sharday 
7th grade health
What does anemic mean?
asked by saranghae12 
math
Explain how to use the square roots of 144 and 169 to estimate the square root of 154. I NEED THE ANSWER TONIGHT!
asked by Morgan 
general chem
A burning log, light from flashlight, car in motion, are examples of what type of energy? 1)potential 2)thermal 3)kinetic 4)radiation
asked by L.Bianchessi 
Math 208
x=3y+2 Write the equation in slope–intercept form. (b) Give the slope and yintercept of the line
asked by Wanda 
English
ms. sue i cant think what picture i add for second slideshow? it have person on it or it just be scenery?
asked by Mohammad 
area model
Sketch an area model 74 time 92
asked by alieda 
Spanish
Please could somebody explain the difference between tan como and tanto como?
asked by Claire 
math
The distance from john house to his grandparents home is 114 miles. About how many miles is the distance round this number. To the nearest 100 miles
asked by jelly 
HELP!HELP!
why do you think william penn chose the historic district for the city?
asked by Celest 
algebra
8x+62x+11=3+3x7x
asked by jubillee 
physics
Use the angle at the tail of v(arrow above) and the magnutude of v to calculate the values of vx and vy. How do these values compare with those you measured directly for vx and vy?
asked by geekgirl05 
chemistry
how many chloride (CL negative two) ions are needed to balance a positive charge of Barium positive two?
asked by monique 
calculus
I need help finding the derivative of (x^2+sinx)secx
asked by jholm 
algebra
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 18x + 6y = 78 12x + 54y = 48
asked by Anonymous 
precalc/trig help please
The area of a circle is 18pi square meters. What is the radius (leaving answer in simplest radical form)
asked by Carlee' 
hca 220
seven organizational approaches to studying the human body and how and when they are used in health care.
asked by Anonymous 
Physics
A solid disk with a mass ok 100 kg and radius of 0.2m turns clockwise through an angular displacement 10 rad when starting from rest attain its maximum angular speed of 1 revolution every 0.5s. How much time did it take for the disk to go from rest to
asked by Brittany 
prealgebra
if the scale is 3 in. = 50 mi. what is the actual distance if the line segment was 6 in.
asked by tiff 
statistics for behavioral sciences
In a one to twopage Microsoft Word document, for each hypothesis listed indicate: Whether the appropriate analysis would be a onetailed test or a twotailed test. A type I and type II error, given the context of the hypothesis. Hypothesis: The three
asked by troy 
math
The numbers 1 to 100 are placed in a box. You randomly select 15 numbers without looking. What is the probability that two pairs out of these 15 numbers will have the same difference?
asked by Shanaynay 
APUSH
how did technology and religion affected America during the roaring twenties?
asked by Pearl Angel 
french
Please can you check the following, thankyou. je vais acheter tu vas acheter il/elle acheter nous allons acheter vous allez acheter ils/elles vont acheter je acheterai tu acheteras il/elle achetera nous acheterons vous acheterez ils/elles acheteront i have
asked by dan 
APUSH
Explain the rise of the republicans and the international challenges faced following world war I?
asked by Pearl Angel 
English  Ms. Sue
Ms. Sue having loads of trouble here could you please help me? Actually Mohammad and I just went on the site Animoto and it won't let us put full sentences. Maximum letter count is 30. Exactly how do I shorten this sentence? Jake draws himself away from
asked by Aaron 
math
The perimeter of a rectangular field is 560m.The length of the field is an eigth third of this distance.Find the length of the field.Find the width of the field
asked by Derrick 
Chemistry
A chemical reaction taking place on the surface of a block of sodium will not occur faster if the a. size of the block doubles b. block is cut in half c. surface area is increased d. amount of sodium is decreased
asked by Aria 
English
I realized a left out a few considerations. Could you please have a look at them? 1) The sickle stands for the inevitable passing of the time, whereas the adjective ‘brief’ points out the transience of beauty and time. 2) In the first two quatrains the
asked by Henry2 
algebra
X^24x=0
asked by Kristin 
Algebra
Find a table or other rectangular object and measure the length width and perimeter use feet or inches as your unit of measure express the in terms of the width
asked by MissMoe 
math
if you evaluate the expression 5a2 for a=1,2,3,4 and so on,you form a sequence of numbers.what is the sum of the first 10 numbers in the sequence you form by evaluating the expression for a=1 through 10? explain your reasoning
asked by bluebabe 
English
Could you please check this paragraph I varied on the tragedy of revenge? Thank you. 1) Shakespeare’s Hamlet shows all the features of the revenge tragedies, whose rules were set by Seneca. In all revenge tragedies a sexual or violent crime is committed
asked by Henry2 
algebra
2(a1)/(a+2)=(a^a1)/(a+2)Can you help me solve this problem step by step please?
asked by lesa 
chemistry
what did amedeo avogadro contribute to the atomic theory?
asked by mark 
MATH
How do I find JK for J(3, 8)and K(1, 4)? Please help!
asked by Tyler 
Chemistry
Calculate the mass of calcium phosphate that forms when 5.50 x 10 2 mol of solid calcium chlorate is dissolved in 600.0 mL of 1.00 x 10 2 M lithium phosphate solution.
asked by Bella 
math
How can a function have Limit, L, as x approaches a, while f (a) ‚ L?
asked by geekgirl05 
math question
Don't know how to do this problem. Drew lifts weights for 15 minutes a day and run on the treadmill for 30 minute. Use the distributive property to find the minutes the total minutes that drew exercises for 7 days
asked by Khalief 
Business
Does anyone know any specific businesses who use the online community for business deals through online video chats, with those around the world, instead of face to face in the actual community?
asked by Anna 
Math
Ms gray is 25 years old. She took a class with students who were 55,52,59,61,63,58 years old. Find the mean, median, mode, and range with and without ms gray's age.
asked by Elaina 
math
How to solve a linear equation using the equality properties. Help explain in simple language
asked by katy 
Trig
3square root 2/ 1+square root 2
asked by Jay C 
math
Simplify the given expression. square root of negative 54 end root plus square root of negative 96
asked by nithy 
Physics Please Help!
A solid disk with a mass ok 100 kg and radius of 0.2m turns clockwise through an angular displacement 10 rad when starting from rest attain its maximum angular speed of 1 revolution every 0.5s. How much time did it take for the disk to go from rest to
asked by Brittany 
Math
How would you get the exact value of the following problem: 29 * 6^(3x) = 11 Thanks!
asked by Wally 
Probality
The probability that at most 3 tosses of a balanced dice are required to get a prime number on top is equal to????
asked by Saya 
earth/atmosphere
my homework says a,b,and c represent gases what is a? a has 78.09 present by volume and i need to know what gas a stands for....i thought it was argon but argon is already a gas listed...HELP
asked by Anonymous 
Chemistry
I need to calculate the molecular mass of ehtylene glycol based on the freezing point depression. The teacher said that for glycol i=1 and to use the equation m=delta T / Kf X i Kf = 1.86C/m so I did 2.5C / 1.86 X 1 = 1.344 I know that 1.344 can't be
asked by Hannah 
science
light wave can move through what
asked by mattie 
English
I tried to rephrase Shakespeare's sonnet myself. I really need your revision, Writeacher. I urgently need your help. I included the sonnet itself.Thank you very much!!! 1)First, the poet looks at the clock ticking away the time (or and notices the time
asked by Henry2 
cch
a bridge over a river is loaded at three penal points. determine the support reactions at a and b
asked by peter 
Fractions
In class, 3/8 of the students play sport while the rest do music.what fraction of the class does music?
asked by Olicia Lai 
Political Science
In the past decade, policies have included notforprofit organizations for the administering of programs such as welfare or child protection services. What are the strengths and weaknesses of using this forum?
asked by unknown 
calculus
ln[x^3(x+3)^2((x^2)+4))^7 find the derivative
asked by carlton 
Math
what is the last two digits in 5 to the 2012 power?
asked by glenda 
Math
(x power of 7 over x power of 2) •times• (5y power of 2 over x power of 3)
asked by Kynan wright 
math
Laquida has a circular a garden with a radius of about 2 ft. If she wanted to plant 40 bulb per square foot about how many should she buy? 120, 240, 480, or 300
asked by brianna 
Anthropology
Why has “race” no biological basis, but is culturally constructed. How do ideas or concepts of “race” affect our lives?
asked by Miriam 
math
You are going 3 miles per hour. You stop once for one hour. You want to go at least 18 miles. At least, how many hours would you to walk? I need an inequality to set this up, I can do the rest from there.
asked by reagan 
law
In your opinion, should there be any changes brought about in the punishment laws?
asked by sharday 
ecommerce
what do they mean by cite the ethical dilemmas involved
asked by polly 
algebra
simplify 82(n+4)(3)^2
asked by brenda 
English
What opportunities does the online community offer that the actual community doesn't?
asked by Anna 
math
what is 13/14 in simplest form?
asked by Anonymous 
Calculus
For which point(s) on the graph of f(x)=5x/(x+2) is the slope of the tangent 2/5? a) (3,15) b) (7, 35/9) c) (3,3) and (7,7) d) (24, 60/13) Answer is C?
asked by Jake 
THERMOCHEMISTRY
An ice hotel that is made of 410 metric tons of ice and 12200 metric tons of snow is being melted. The company is going to siphon the melted water into nearby streams. The company is using large industrial sized acethylene to do the job. Your job is to
asked by JAMES 
pos/110
civil liberties:currently do we need more or less protection of this liberty in contemporary American society
asked by mary 
English
Where do you find the editor of a certain article of a website? Where can you find the name of the organizatin that associated with the site??
asked by Anna 
math
I have a math question abdedbabde 1234321234 how do I do this problem
asked by chris 
math
find the domain the function f(x)is square root x plus 3
asked by julie 
English
ms. sue u please erase my post here also? one i wrote my essay in.
asked by Mohammad 
spanish
how do you say i care about others than myself?
asked by lily 
math
solve 0.5(x5)+x=0.2(2+6x)
asked by mabel