Questions Asked on
January 24, 2013

Chemistry
2. Suppose that the amount of algae in a pond doubles every 4 hours. If the pond initially contains 90 pounds of algae, how much algae will be in the pond after 12 hours? A.)720 pounds B.)360 pounds C.)1,440 pounds D.)114 pounds I think the answer is D.
asked by Deborah 
math
how do owners of large estates spend their time.
asked by Richie6501 
Math
Find the volume V of the solid obtained by rotating the region bounded by the given curves about the specified line. y = 8 sin x, y = 8 cos x, 0 ≤ x ≤ π/4; about y = −1
asked by Em 
algabre
the speed of the current in a river is 6 mph a ferry operator who works that part of the river is looking to buy a new boat for his business everyday his route takes him 22.5 miles against the current and back to his deck and he needs this trip in a total
asked by lee 
Chemistry Someone please help ASAP PLEASE
A compound contains 38.7% K, 13.9% N, and 47.4% O by mass. What is the empirical formula of the compound?
asked by Vic 
Chemistry
The neutralization of H3PO4 with KOH is exothermic. H3PO4(aq) + 3KOH(aq) > 3H2O(l) +K3PO4(aq) +173.2KJ 70.0 mL of 0.207 M H3PO4 is mixed with 70.0 mL of 0.620 M KOH initially at 21.87 °C. Predict the final temperature of the solution if its density is
asked by Sally 
Chemistry
For melting point determination, what is the optimum rate of heating near the melting point? What are the problems, if the rate of heating is too slow or fast?
asked by Sunday 
Physics
Identical point charges of +2.1 ìC are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, such that it causes the potentials at the empty corners to change signs without changing magnitudes. Find
asked by Amy 
Physics
How much work is needed to stop a 20g bullet moving with a speed of 150ms1
asked by Ehis 
physics
Two racing boats set out from the same dock and speed away at the same constant speed of 102 km/h for half an hour (0.500 h), the blue boat headed 26.1° south of west, and the green boat headed 38.8° south of west. During this halfhour (a) how much
asked by Anonymous 
Chemistry
Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34 × 1059, and dissociates according to Ca10(PO4)6(OH)2(s) > 10Ca2+(aq) + 6PO43(aq) + 2OH(aq) Solid hydroxylapatite is dissolved in water to form a saturated solution. What is the
asked by Angelyka 
Math
5. Suppose that the volumes of four stars in the Milky Way are 2.7 × 1018 km3, 6.9 × 1012 km3, 2.2 × 1012 km3, and 4.9 × 1021 km3. What is the order of the stars from least to greatest volume? A.) 2.7 × 1018 km3, 6.9 × 1012 km3, 4.9 × 1021 km3, 2.2
asked by Deborah 
Math
Adam drew two same size rectangles and divided them into the same number of eqal parts. He shaded 1/3 of one rectangle and 1/4 of the other rectangle. What is the least number of parts into which both rectangles could be divided?
asked by Mary 
phy
An electric kettle contains 1.5 kg of water at 100o C and powered by a 2.0 kW electric element. If the thermostat of the kettle fails to operate, approximately how long will it take for the kettle boil dry? (Take the specific latent heat of vaporization of
asked by christ 
Differential Equations
The velocity v of a freefalling skydiver is well modeled by the differential equation m*dv/dt=mgkv^2 where m is the mass of the skydiver, g is the gravitational constant, and k is the drag coefficient determined by the position of the driver during the
asked by Erica 
algebra
Chase scored 14 points on Monday, and he doubled his score each day thereafter. How many points did he score on Thursday? A. 224 points B. 112 points C. 56 points D. 42 points Thanks :)
asked by Laura 
financial math
Mary is buying several items that cost $128.25 total. She is using a store coupon for 35% off her purchases. She has to pay 4% sales tax. Calculate the total cost of the items.
asked by Anonymous 
prealgebra
You split $1500 between two savings accounts. Account A pays annual 5% interest and Account B pays 4% annual interest. After one year,you have earned a total of $69.50 in interest. How much money did you invest in each account?
asked by em 
chem(isotopic abundance)
The average atomic mass of iridium is 192.22u, if iridium191 has an atomic mass of 190.961u and an isotopic abundance of 37.3% and iridium193 is the only other natural occuring isotope, what is the atomic mass of iridium193? I tried but I don't think I
asked by Deepa( Exam prep question) 
Chemistry
What mass of AlCl3 can be formed from 5.000 mol NiCl2 and 2.000 mol Al? Al(s) + NiCl2(aq) → AlCl3(aq) + Ni(s) I balanced it to 2Al + 2NiCl2 > 2AlCl3 + 3Ni I'm not sure how to go about this. I converted the moles into grams, but I feel like the balanced
asked by MewBanks 
Physics
A water wave is generated in a ripple tank by an oscillator that vibrates 50 times in 30 seconds. A given trough of the wave travels 50.0 cm in 15 seconds. What is the wavelength of the water wave? Produce all your workings. I got 50/30 = 1.67 vibrations
asked by confused 
science (physics)
What is the mass in kg of a 3920 N piano?
asked by meme 
Physics
Two geological field teams are working in a remote area. A global positioning system (GPS) tracker at their base camp shows the location of the first team as 41 km away, 24° north of west, and the second team as 33 km away, 37° east of north. When the
asked by Stacia 
math
what is the purpose of using fraction strips and a 1 strip
asked by mm 
Physics
Identical point charges of +2.1 ìC are fixed to diagonally opposite corners of a square. A third charge is then fixed at the center of the square, such that it causes the potentials at the empty corners to change signs without changing magnitudes. Find
asked by Amy 
physics
A spring with an unstrained length of 0.074 m and a spring constant of 2.4 N/m hangs vertically downward from the ceiling. A uniform electric field directed vertically upward fills the region containing the spring. A sphere with a mass of 5.1 X 10^3 kg
asked by frustrated 
Chemistry
How many moles of bromine are there in a 0.35 mL dichloromethane solution of 10% bromine? Density of Bromine = 3.10g/mL Density of dichloromethane = 1.33g/mL
asked by Nathan 
Statistics
It is believed that at least 60% of voters from a certain region in Canada favor the free trade agreement (FTA). A recent poll indicated that out of 400 randomly selected individuals, 250 favored the FTA. If we wished to perform a test to determine whether
asked by Stanley 
physics
A stationary billiard ball, mass 0.17 kg, is struck by an identical ball moving at 4.8 m/s. After the collision, the second ball moves off at 60° to the left of its original direction. The stationary ball moves off at 30° to the right of the moving
asked by Anonymous 
Chemistry
Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water?
asked by Lucy 
geometry
Two observers are 200 feet apart,in line with a tree containing a birds nest.The anles of elevation to the birds nest are 30 degrees and 60 degrees.How far is each observer from the base of the tree? Please help me my assigment is due tommorrow!!!!!
asked by ian 
World history; Check:P
How did environmental features in Anatolia help the Hittites advance technologically? The Hittites were the first to use iron for weapons, because the materials they needed were easily in the mountains of Anatolia. Iron was easy to get to for the Hittites
asked by Victoria 
math
A farmer needs to fence a rectangular piece of land.She wants the length of the field to be 55 feet longer than the width. If she has 1310 feet of fencing material, what should be the length and the width of the field?
asked by stephanie 
math
1. Corey needs 24 boards that are 47.5 inches How many feet of board should he buy and then explain. 2. If you can only buy 8 foot boards, how many should he buy? and then explain.
asked by Karen 
math
how do owners of large estates spend their time
asked by Richie6501 
Physics
If sound is increased in intensity by a factor of 100,000, what is the change in decibels? I thought 50? other options are 5, 500, and 100,000. Please explain because I'm confused on how this works.
asked by Physics fail 
World history; Check:P
5.What does Hebrew law required of believers? The Hebrews were to "worship God and live justly with one another", God required you "to do justice, to love kindness, and walk humbly with God". And worship only one God, which was him.
asked by Victoria 
physics
A block with mass = 5.0 rests on a frictionless table and is attached by a horizontal spring ( = 130N ) to a wall. A second block, of mass = 1.35 , rests on top of the block . The coefficient of static friction between the two blocks is 0.40. What is the
asked by steve 
algebra
siplify and state any restrictions on the variables. x2/x+3 plus 10x/x^29 Hope someone can explain this to me.
asked by lee 
chemistry
when silver nitrate reacts with hydrochloric acid, what type of reaction takes place?
asked by hazel 
Physics
Four resistors each of resistance 4 Ù are connected to form a square loop. What is the equivalent resistance between two points on its diagonal AC or BD? AD   BC That's what it looks like on my homework. Thank you in advance
asked by Physics fail 
physics
A block with mass = 5.0 rests on a frictionless table and is attached by a horizontal spring ( = 130N ) to a wall. A second block, of mass = 1.35 , rests on top of the block . The coefficient of static friction between the two blocks is 0.40. What is the
asked by steve 
physics
A bicycle traveled 150 meters west from point A to point B. Then it took the same route and came back to point A. It took a total of 2 minutes for the bicycle to return to point A. What is the average speed and average velocity of the bicycle?
asked by frank 
Physics
What is the angle of refraction of a light ray that enters the surface of a calm lake from air at an angle of 45o to the normal? The refractive index of water is 1.333. I don't even know how to start this or what the formula is. Thanks for your help in
asked by confused 
science (physics)
A 980 N box has a mass of 100 kg. What is the acceleration of the box due to gravity?
asked by meme 
floral design
One of your friends who works at a local public TV station knows that you wish to break into eventfloral designing. She attended a party last week for which you had created an amazing set piece that surrounded a small dance floor. Impressed with your
asked by Jamie 
Social Studies
6. How did the Dust Bowl affect farmers? A.) Crop prices rose and farmers grew rich off of the profits. B.) The Dust Bowl was in the city and didn’t affect farmers. C.) Farmers lost their crops and left their farms in search of work. D.) Farmers were
asked by Deborah 
Physics 101
What is the net force of a 5.0 N force and an 7.0 N force acting on an object for each of the following conditions? (a) The forces act in opposite directions. ( )N (b) The forces act in the same direction.( )N 
asked by reda 
Physics
When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position? I have no idea.. i know that it has momentum ..but...
asked by Physics fail 
physics
A block with mass = 5.0 rests on a frictionless table and is attached by a horizontal spring ( = 130 ) to a wall. A second block, of mass = 1.35 , rests on top of . The coefficient of static friction between the two blocks is 0.40. What is the maximum
asked by victor 
Spanish (Please Help)
1. Write the verb form for: yo/hacer. 2. Write the verb form for: ellos/hacer. 3. Write the verb form for: nosotros/hacer. I'm not sure, but I think these are the answers: 1.) Hago 2.) Hagan 3.) Hagamos Thnk You.
asked by Brendon 
Introduction to management
Young, innovative, or hightech firms often adopt the strategy of ignoring history or attempting to do something radically new. In what ways might this strategy hinder them?
asked by Mary 
physics Electricity
Two tiny conducting spheres are identical and carry charges of 20.0 μC and +50.0 μC. They are separated by a distance of 2.50 cm. (a) What is the magnitude of the force that each sphere experiences, and is the force attractive or repulsive? (b) The
asked by frustrated 
math
how do owners of large estates spend their time
asked by Richie6501 
Physics
Which of the following equations describes the condition for observing the fourth bright fringe in Young's doubleslit interference pattern? Assume n = 0 for the central bright fringe. Which of the following equations describe the condition for observing
asked by confused 
Algebra
You are planning to build a walkway that surrounds a rectangular garden that is 10ft by 9ft. The width of the walkway around the garden is unknown, but it will be the same on every side. a)what is the perimeter of the walkway along the outer edge ? b) what
asked by Naibe 
math
Which of the following salaries will have a purchasing power of $24,035 if the inflation rate is five percent?
asked by sheila 
Math
Find the decibel intensity level at a rock concert if the intensity was measured at 3.98x10^3
asked by Mike 
chemistry
if the relative atomic mass of natural copper is 63.54,calculate the proportions of the isotope 65cu and 63cu
asked by etim sylvester 
English
Read the clauses. Then write main or subordinate for each clause. if the clause is a subordinate clause add a main clause to make it a complex sentence Before I go to school Subordinate Before I go to school I take a shower We heard a concert at Town Lake
asked by Jerald 
math help
Brand x cost $1.56 for 12 ounces. Brand y cost 2 ¢ more per ounce. What is The cost of 15 ounce of brand y
asked by marie 
Statistics
Which of the following statements is not true about samples that can be treated as matched pairs data? I. Data collected on these samples is analyzed by calculating the differences between paired observations and using that data in one sample tests. II.
asked by Bob 
pstat.................HELP........................
Electric motors coming off two assembly lines are pooled for storage in a common stockroom, and the room contains an equal number of motors from each line. Motors are periodically sampled from that room and tested. It is known that 10% of the motors from
asked by JORHO 
math
how do owners of large estates spend their time
asked by Richie6501 
physics
How do i find the mass of an object if it took 270 J of work to move it 15 meters?
asked by Anonymous 
phy
Calculate the average translational kinetic energy of a nitrogen molecule at 27 degree celcius
asked by christ 
Calculus 1
(a) What is the continuous percent growth rate for P=130e^0.07t , with time, t , in years? (b) Write this function in the form P=P0a^t. What is the annual percent growth rate? Round your answer to two decimal places. I tried it but now I'm just more
asked by molly 
math
Jeff bought a refrigerator for $1300. He made a 10% down payment and financed the rest at 6% for one year. How much interest did he pay?
asked by Ricky 
Math
After 14 boys leave the concert, the ratio of boys to girls is 3 to 10. If there are p girls at the concert, write an algebraic expression for the number of boys at the beginning of the concert in terms of p
asked by Sophia 
chemisrty
how many grams of cai2 are present in 3.28 moles? Can someone explaine how to do this question as well?
asked by omar 
Physics
You hang mass m=0.22 kg on a spring with constant 12 N/m. You pull the mass down a distance of 0.04 m from its equilibrium position and release it. You measure the period to be 0.85 s. If you instead pull the mass down 0.12 m from its equilibrium position
asked by Julia 
Physics
Light is incident from water onto a flat transparent slab of material, at an angle of 48.8° with the normal. The reflected ray and the refracted ray are perpendicular to each other. What is the index of refraction of the transparent substance?
asked by Kiana 
Physics 1
A ball starts from rest and rolls down a hill with uniform acceleration, traveling 150 m during the second 5.0 s of its motion. How far did it roll during the first 5.0 s of motion?
asked by Heather 
Physics
A pendulum clock is accurate on earth, where the period of its pendulum is 1.00 s. (a) Find its period on the moon, where gravitational acceleration is 1.6 m/s2. (b) During a 2 h interval, what would be the elapsed time shown on the clock? CAN YOU PLEASE
asked by Mike 
Physics
A plane is flying southwest at 155 mi/h and encounters a wind from the west at 45.0 mi/h. What is the plane's velocity in respect to the ground in standard position? I know the answer, but can't figure out how to get the answer. Any help would be
asked by A 
math
Jenna is going to paint one wall of her bedroom gray. She needs a gallon of paint. A gallon costs $17.00 and one quart of paint costs $4.39. Which is the better buy?
asked by Anonymous 
math
angle ABC and DEF are supplementary angles. the measure of DEF is 20 degrees less than 3 times the amount of ABC. what are ABC and DEF.
asked by hunter 
math
Seigi and Gavin both worked hard over the summer. Together, they earned a total of $425. Gavin earned $25 more than Seigi. Hoe much did each of them earn??
asked by lavanity 
Math
Rusty is building a doghouse for his dog, Wheezer. He is making the dimensions of the doghouse proportional to his own house, which has a length of 54 feet and a width of 36 feet. If wheezer's new home is going to have a length of 6 feet, what will be the
asked by Arelle 
chem
a simple hwk question.. i don't understand what i need to do.. 1butanol (shown below) burns in the presence of oxygen to give off carbon dioxide and water by the following reaction: C4H9OH + 6 O2 ==> 4 CO2 + 5 H2O If 40.88 mL of 1butanol burns
asked by wll.i.am 
chem hwk
a simple hwk question.. i don't understand what i need to do.. 1butanol (shown below) burns in the presence of oxygen to give off carbon dioxide and water by the following reaction: C4H9OH + 6 O2 ==> 4 CO2 + 5 H2O If 40.88 mL of 1butanol burns
asked by wll.i.am 
math
The ratio of mystery books to the number of science fiction books is 4:3. The number of scifi books to the number of biographies is 4:5. If there are 48 scifi books what is the total number of books
asked by Ben 
phy
At what temperature will the rootmeansquare speed of oxygen molecules have the value of 640 m/s? 1 kilomole of oxygen has a mass of 32kg.
asked by christ 
chemistry
calculate the rate of a constant reaction at 293 kelvin when the energy of activation is 103 kilo joules per mole and the rate constant at 273 kelvin is 7.87*10 to the power 7...
asked by Emeldah 
Math
The first ferris wheel was built in1893 in Chicago. It's diameter was 250 feet.how many feet did the ferris wheel rotate with each complete turn?
asked by Kimmmee 
pstat.................HELP........................
A diagnostic test for a disease is said to be 90% accurate inthat if a person has the disease, the test will detect it withprobability 0.9. Also, if a person does not have the disease, thetest will report that he or she does noot have it with
asked by JORHO 
EnglishGrammar
Decide if the underlined pronoun (I put what was underlined in parentheses) in the sentences below is being used as a subject, a predicate nominative, or an appositive. (He) and Bev are using the new computer. subject (my answer)predicate nominative
asked by Anon 
algebra
A sheet of cardboard with an area of 10 square feet is made into a closed rectangular box. The four sides of the box have the same area and two ends have the same area. The area of each of the four equal sides is twice the area of each end. What is the
asked by morgan 
algebra 2
A chauffer must decide between driving his clients in the rolls royce or the mercedes benz. the rolls royce costs 1.75 per mile to operate and the mercedes benz costs 2.00 per mile. The chauffer can charge 4.00 per mile for the rolls royce and 6.50 per
asked by Elizabeth 
Physics
An animalrescue plane flying due east at 36.0 m/s drops a bale of hay from an altitude of h = 69.5 m, as shown below. If the bale of hay weighs F = 162 N, what is the momentum of the bale the moment before it strikes the ground? Give both magnitude and
asked by Anonymous 
English
Read each sentence. Write whether the sentence is declarative interrogative imperative or exclamatory 1.Use caution when you cross the street. Imperative 2.Where was Lyndon B. Johnson born? Interrogative? 3.The planet closest to the sun is Mercury.
asked by Jerald 
phy
A piece of plastic barely floats in water. If it has a mass of 20g, what is its volume?
asked by christ 
chemistry
What is the silver ion concentration in a solution prepared by mixing 385 mL of 0.380 M silver nitrate with 467 mL of 0.409 M sodium chromate? The Ksp of silver chromate is 1.2 × 1012 I ended up making Ag+ = 2x. = 1.3 x10^4 Which is incorrect so I'm not
asked by Angelyka 
Chemistry
The halflife of C14 is 5700 years. If it took seven half lives for a sample of C14 to decay completely, how many years would have gone by?
asked by Mari 
chem.(sci)
___NH3+___O2>N2+H2O (this is not balanced) how many moles of oxygen react with 0.23 moles of NH3? HOW many moles moles of N2 will be produced when reacted with 5 mol of O2?
asked by tyneisha 
English
Read the following sentences write whether each underlined clause is the main clause or a subordinate clause What's the definition of a clause?
asked by Jerald 
science
A rocket is shot upward from the ground with an initial velocity of 15.5 m/s. How high does the rocket travel?
asked by Missa 
math
is eating an apple a physical change
asked by Anonymous 
NSU
Evaluate (if possible) the function at the given values of the independent variable. Simplify the results. (If an answer is undefined, enter UNDEFINED.) f(x)=sin x f(pi)= f(5pi/4) f(fpi/30
asked by Jimmy 
Physics
A patio swing is suspended by two springs, each of which has a force constant of 415 N/m, equivalent to a single spring force constant of 830 N/m. Find the mass of a person sitting on the swing oscillating up and down at a frequency of 0.590 Hz. Please
asked by Mike 
Physics
A 1365kg car moving north at 27.0 m/s is struck by a 2165kg car moving east at 12.0 m/s. The cars are stuck together. How fast and in what direction do they move immediately after the collision?
asked by Anonymous 
chemistry
calculate the rate of a constant reaction at 293 kelvin when the energy of activation is 103 kilo joules per mole and the rate constant at 273 kelvin is 7.87*10 to the power 7...
asked by Emeldah 
CHEM! (SCIENCE) NEED HELP
How many moles of water will form if the reaction has 9 moles of Cu? how many moles of NO will form if the reaction has 9 moles of Cu? 3Cu+8HNO3>3Cu(NO3)2+4H2O+2NO
asked by tyneisha 
Chemistry
The antifreeze in a car is a 50% by weight solution of ethylene glycol, C2H6O2 in a water solvent. Calculate the boiling point and freezing point of this solution. (For H2O, Kb=0.52 C/m Kf= 1.86 C/m I can't even find the formula for this in my book, please
asked by Christine 
Physics
A 50.0 g Super Ball traveling at 27.0 m/s bounces off a brick wall and rebounds at 17.0 m/s. A highspeed camera records this event. If the ball is in contact with the wall for 4.00 ms, what is the magnitude of the average acceleration of the ball during
asked by Robert 
Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acidbase relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
asked by Raphael 
calculus
On the graph of f(x)=7sin(7pi x), points P and Q are at consecutive lowest and highest points with P occuring before Q. Find the slope of the line which passes through P and Q
asked by Turtle 
Chemistry
a 15ml sample of sulfuric acid was titrated against a solution of .0100 mol per litre of sodium hydroxide. to bring about neutralization, 25.00 ml of sodium hydroxide solution was required. calculate the concentration of the sulfuric acid
asked by Omaaaaaaaar 
math help
A one year subscription to the monthly magazines costs $15.60 the regular newstand price is $1.95 per issue. How much is saved per issue by payin. The subscription price
asked by marie 
Enlish
I'm supposed to be writing an essay and these are the instructions: This semester you read several memoirs, including pieces by Ernesto Galarza and Russell Baker. Return to “Barrio Boy” and “No Gumption” now. How are these two memoirs similar? How
asked by studeny 
physics
A block with mass = 5.0 rests on a frictionless table and is attached by a horizontal spring ( = 130 ) to a wall. A second block, of mass = 1.35 , rests on top of . The coefficient of static friction between the two blocks is 0.40. What is the maximum
asked by steve 
math
where N is the number of millions of passenger cars in the United States and t is the number of years after 1940. In what year was the number of passenger cars triple the number of cars in 1940?
asked by sam 
Math
A bag contains 12 slips of paper of the same size. Each slip has one number on it, 112. Find P(even number). Find P (a number less than 6). Find P (an odd number). Find P (a number greater than 8).
asked by Ricardo 
business law
At issue in the twentyfirst century is the tradeoff between the necessity of writers, musicians, artists, and movie studios to profit from their work and the free flow of ideas for the public benefit. Movie (and music) industry participants claim that
asked by wanda 
science
Th thermosphere is 415km deep. What percent of the atmosphere made up by the thermosphere if the total atmosphere extends 500km.
asked by Mikayla 
math
Determine the energy to heat a cube of gold with a volume of 19.0{\rm cm}^{3} from 15^\circ C to 37^\circ C. (Figure 1) Refer to the tables of densities (Figure 2) and to the table of the specific heats (Figure 3)
asked by Anonymous 
Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acidbase relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
asked by Raphael 
Chemistry
If a 100.0 gram sample of a radioactive isotope goes through three halflives, how much of the original radioactive isotope will remain?
asked by OhSnap 
History
8. What happened to Japanese Americans during World War II? A.) They were forced to leave the country. B.)They stayed in their homes. C.) They all joined the Japanese army. D.) They were sent to internment camps. I think it is C. Thank You.
asked by Tommy 
physics
A 6.2 g piece of clay is propelled horizontally onto a block of wood with a mass of 18.4 g. The wood block is initially at rest on a 1.75 m tall post. After the collision the wood block will land 2.2 m from the base of the post. Find the initial speed of
asked by Greyson 
math
what amount of principal would yield an interest of $36 in 3 years at a 3% simple interest rate?
asked by chad 
math
You have 60 red socks and 30 blue socks unpaired in a drawer. You can not see the socks, they are in a drawer and it is dark. What is the minimum number of socks that you have to pull out before you have a matching pair?
asked by Noah 
CHEM! (SCIENCE) NEED HELP
According to the reaction below,if 24 moles CO2 were produced,how many moles of C2H6 were reacted? 2C2H6+7O2 > 4CO2+6H2O
asked by tyneisha 
Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acidbase relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
asked by Raphael 
phy
A 0.5kg piece of metal (c = 600/kgK) at 300 degree celcius is dumped into a large pool of water at 20 degrees celcius. Assuming the change in temperature of water to be negligible, calculate the overall change in entropy for the system
asked by christ 
Physics  please help
Brittany throws a slingshot pellet directly at a target that is far enough away to take 0.190 s to reach. How far below the target does the pellet hit? Enter m as unit. How high above the target should she aim? Enter m as unit.
asked by Anthony 
World history; Check:P
What methods did the Assyrians use when they attacked enemy cities? The satrapies were linked by a 2,500kilometer highway, the most impressive stretch being the Royal Road, built by command of Darius I. Royal inspectors, the "eyes and ears of the king",
asked by Unknown 
Physics
A spring scale being used to measure the weight of an object reads 17.1 N when it is used on earth. The spring stretches 4.40 cm under the load. The same object is weighed on the moon, where gravitational acceleration is 1 6 g. Find the reading of the
asked by Mike 
PreCalculus
Could you please explain how to use a matrix (matrices) to solve a system of linear equations (two variables)? My book doesn't explain it in a way I can understand. Please and thank you.
asked by Caroline 
Probability
Given the probability of rain on any given day in March is 1/5, find the probablity that: It rains on March 10 and 12, but not on March 11th. This is supposed to be used with multiplication Rule 1: P(A and B)= P(A)*P(B) cant figure it out, the answer is
asked by anoneemose 
Calculus
Find a solution to the equation if possible. Give the answer in exact form and in decimal form. 8=4sin(5x)
asked by Mike 
English
Read each sentence identify and rewrite the subordinate clause 1. Adam studied for his science test because he wanted to do well. because he wanted to do well 2.You should turn the music down so that your brother can study. so that your brother can study
asked by Jerald 
CHEM! (SCIENCE) NEED HELP
Determine the moles of aluminum acetate,AL(C2H3O2)3,that can be made if you do this reaction with 12 moles of acetic acid (C2H3O2H) C2H3O2H+AL(OH)3>AL(C2H3O2)3+3H2O
asked by tyneisha 
math
is eating an apple a physical change?
asked by Anonymous 
Teddy
f(x,y) = 3x + 3y Show that for any epsilon in: 2x + 3y  5 < epsilon There is a delta value: sqrt((x  1)^2 + (y  1)^2) < delta Solve for delta in terms of epsilon  I understand that this is a proof that the limit of f(x,y) as (x,y) > (1,1) is 5.
asked by calculus 
physics
The temperature of the air outside on a cool morning is 11„aC.What is this temperature on the Kelvin scale?
asked by mio 
English
Read the following sentences write whether each underlined clause is the main clause or a subordinate clause The words in () are the underlined clause. We studied the Mayan calender, (which I thought was fascinating) subordinate Lyndon B. Johnson, (who was
asked by Jerald 
Physics
Find g at a point on earth where T = 2.249 s for a simple pendulum of length 1.250 m, undergoing smallamplitude oscillations. (Enter your answer to four significant figures.) CAN YOU PLEASE PROVIDE AN ANSWER WITH WORK . THANK YOU VERY MUCH!!!!!
asked by Mike 
Chemistry.
Caculate the wavelength of light emitted when each of the following transitions occur in the hydrogen atom. A.) n=3>n=2 B.) n=4>n=3 C.) n=2>n=1 How do you do this. Could you please just show me step by step for atleaset one. Please!
asked by Brenda 
Physics
A series combination of two resistors of resistance 12 Ù and 8 Ù is connected across a source of emf 24 V. What is the potential difference across 8 Ù resistors? Do you know the formula for this?
asked by struggling student 
College Math
how to construct a truth table for q w/upside down v~p, using the following: P: this is an orange q: the monkey is tall
asked by Althea 
Physics STUCK!
A point on the A string of a guitar oscillates in approximately simple harmonic motion with a frequency of 113 Hz and an amplitude of 1.04 mm. Find the maximum speed and acceleration of this point. SOLVE FOR: vmax = amax Can you please provide me with the
asked by High School STUDENT 
cultral diversity
Help! check my answer Emergent literacy skills are significantly enhanced by a. the educational or professional level of one or both parents b. engaging in literacy events with other persons,especially adults. c.the family's socioeconomic ststus and
asked by ann 
maths
A man's age is 4 times the combined age of a two sons. One of whom is 3 times as old as the other. In 24 years their combined ages will be 12 year less than their father's age . Find their respective age ????
asked by tuhituhi 
math help
The price was reduced from four thousand, four hundred ninety six dollars to one thousand, eight hundred ninety three dollars. By how much was the price reduced?
asked by marie 
math (help please)
The rectangle was 21 inches long and 6 wide. What was the ratio of its length
asked by marie 
Physics
A spring scale being used to measure the weight of an object reads 17.1 N when it is used on earth. The spring stretches 4.40 cm under the load. The same object is weighed on the moon, where gravitational acceleration is 1/6g Find the reading of the spring
asked by Mike 
Code of Ethics
For example: Kim, a neonatal ICU nurse, has cared for baby Sara for the past month. Baby Sara is about to be discharged today in good health. The baby’s parents want to give Kim a personal gift as an expression of their appreciation and have also invited
asked by Cindy 
Chemistry
A vessel containing 39.5 cm3 of helium gas at 25°C and 106 kPa was inverted and placed in cold ethanol. As the gas contracted, ethanol was forced into the vessel to maintain the same pressure of helium. If this required 17.8 cm3 of ethanol, what was the
asked by flame 
math
A bag contains 12 slips of paper of the same size. Each slip has one number on it, 112. Describe an impossible event.
asked by Ricardo 
Math trigonometry
Prove sinA/1+cosA =tan1/2A
asked by Riley 
English
Read the sentences combine them by changing one sentence into a phrase 1.Alexis helps people understand the exhibits. Alexis is a guide at the museum. Alexis, a guide at the museum,helps people understand the exhibits. 2.Settlers built new towns in Texas.
asked by Jerald 
math
there are two numbers that are 3 times as far from 19 as they are from 11. the sum of the two numbers is?
asked by claire 
Education
Multiple intelligences can best be measured by the StanfordBinet IQ test. True or False
asked by Lor 
math
A sheet of cardboard measures 9 feet by 6 feet. Gina makes the entire sheet of cardboard into a closed box that is a perfect cube. What is the surface area of the box?
asked by annette 
math help!
The curtis car traveled an average of 21 miles per gallon of gas. At that rate, how far could the car travel on a full tank of 21 gallons
asked by marie 
Socials
What effect did the Hudson Bay Company's history have on Canada today?
asked by Raman 
financial acct
Crowns issed 40,000 shares of $5 par value common stock for $14 per share. Prepare journal entries using a chart of acct.
asked by cheryl 
Math
The cheetah can 60 miles per hour. How many miles the can run for every half. Hour up to 2 hours?
asked by Sheila 
science
A rocket is shot upward from the ground with an initial velocity of 15.5 m/s. How high does the rocket travel?
asked by Missa 
Chemistry
I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44
asked by Lori 
Physics
The height of a rocket is launched from a platform 12 meters above the ground is modeled by the function h(t)=4.9t^2+25t+12 where h(t) represents the height of the rocket in meters and t represents the number of seconds after launching. How many seconds
asked by Adrian 
math
Write the fraction in the simplest form. 12/56: 3/30: 5/25: 9/39: 6/54: 2/100: 8/18: THANKS
asked by jade 
CHEM! (SCIENCE) NEED HELP
How many moles of CaCI2 will be formed if you react 1 mole HCI? How many moles of CaCI2 will form if you react 5.5 moles of CaCO3? 2 HCI+CaCO3>CaCI2+H2O+CO2
asked by tyneisha 
maths
I bought a certain number of apples at 4 for 6 paise and 3/5 of that number at 3 for 6 paise by selling them at 16 for rs.30p. I gained 24 paise.. How many apples did I buy????
asked by tuhituhi 
Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acidbase relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
asked by Raphael 
phy
Calculate the electric power which must be supplied to the filament of of a light bulb operating at 3000K. The total surface area of the filament is 8×10−6m2 and its emissivity is 0.92.
asked by christ 
math
Adam place RM2, 000 in a saving account paying 5% interest compounded annually, how much will Adam account accrue to in 10years and 15years
asked by Lily 
math
What is the value of the following future amount? a)RM800 to be received 10 years from now discounted back to present at 10%. b)RM1, 000 to be received 8 years from now discounted back to present at 3%.
asked by Lily 
American History
docs(DOT)google(DOT)com/file/d/0B3_sydO5xXRZOUpwTVZIbUdvNXM/edit I have to write a childrens book(3rd4th grader) for a history project. I have to somehow incorperate/represent the cold war, containment, truman doctrine, domino theory, and korean war. I
asked by Daniel 
Statistics
What is the P(H,H,T,T) on four flips of a coin?
asked by Karen 
Math
The region bounded by the given curves is rotated about the specified axis. Find the volume V of the resulting solid by any method. x = (y − 6)^2, x = 1; about y = 5
asked by Em 
chemistry
what volume of .025 M hydrochloric acid will neutralize 150 milliliters of .0133 M sodium hydroxide?
asked by jessica 
nursing
For example: Kim, a neonatal ICU nurse, has cared for baby Sara for the past month. Baby Sara is about to be discharged today in good health. The baby’s parents want to give Kim a personal gift as an expression of their appreciation and have also invited
asked by John 
Physics
The height of a rocket is launched from a platform 12 meters above the ground is modeled by the function h(t)=4.9t^2+25t+12 where h(t) represents the height of the rocket in meters and t represents the number of seconds after launching. How many seconds
asked by Adrian 
Physics
The height of a rocket is launched from a platform 12 meters above the ground is modeled by the function h(t)=4.9t^2+25t+12 where h(t) represents the height of the rocket in meters and t represents the number of seconds after launching. How many seconds
asked by Adrian 
Pre Calculus 12
Identify the point on the unite circle coressponding to an angle of 300 degrees in standard position A (√3, √3/2) B (√3/2, 1/2) C (1/2, √3/2) D (1/2, √3 ) I don't get how to figure this out :
asked by Shreya 
physics
Two racing boats set out from the same dock and speed away at the same constant speed of 94.0 km/h for half an hour (0.500 h), the blue boat headed 26.0° south of west, and the green boat headed 38.2° south of west. During this halfhour (a) how much
asked by ... 
Spanish (please help)
1. Write the verb form for: yo/hacer. 2. Write the verb form for: ellos/hacer. 3. Write the verb form for: nosotros/hacer. Thank You
asked by Deborah 
Pattern blocks
Make certain shapes using pattern blocks. How many blanks can fit in blanks ?
asked by Sue 
Physics
Find the length of a simple pendulum that completes 16.0 oscillations in 52.0 s. CAN YOU PLEASE EXPLAIN SPECIFICALLY , THANK YOU!
asked by Mike 
ALLIED HEALTH
If you work in a hospital or doctor's office and assign numeric values to procedures and diagnoses for the purpose of reimbursement, you are a
asked by SAM 
english
The antonyms of ignore,optimistic,humility,indolent,boring,attack,normal,innocuous,preserve,commence
asked by chi 
phy
An engine absorbs 2000J of heat from a hot reservoir and expels 750J to a cold reservoir during each operating cycle. What is the power output of the engine if each cycle lasts for 0.5 seconds?
asked by christ 
algebra 1a
Suppose that a car normally sells for $16,500 and is now on sale for $14,000. What is the percent of discount? If necessary, round your answer to the nearest tenth.
asked by breanna 
Social Studies
5. What agreement set the official border of the Louisiana Territory between Canada and the United States?
asked by Jman 
Physics
The height of a rocket is launched from a platform 12 meters above the ground is modeled by the function h(t)=4.9t^2+25t+12 where h(t) represents the height of the rocket in meters and t represents the number of seconds after launching. How many seconds
asked by Adrian 
Literature
I need a good Participle Phrase sentence in the story of Le Morte D' Arthur, Can anyone help me??
asked by Joseph 
English
I must combine the following sentences in the most effective way. Is my answer correct? Sentences: 1. He didn't cover his vehicle with the traditional camouflage. 2. He covered it with his own drawings. My answer(s)  Not sure which is the best way: He
asked by M 
Physics
How does current change for resistors in series? What is the equivalent resistance for resistors in series?
asked by Physics fail 
geography
put these wents that led to the start of he American Revolution in the correct chronological order: a: declaration of 1763 b: french and Indian war c: Stamp act d: Boston Massacre e: pontac's rebellion f: Boston tea party g: townshend acts h: intolerable
asked by Taylor 
science
a bicycle travel 12km in 40 min, what is its average speed
asked by denise 
science is hardddd!!!!
Can I Have An Example Of A Closed System?? Please use easy words that I can understand, Im not that smart and i'm only in 7th grade. Also can you give me an example of an Open System?? Thank You.
asked by PLEASEEEE 
physics
The temperature of the air outside on a cool morning is 11„aC.What is this temperature on the Kelvin scale?
asked by mio 
math help
Solve: 0.091=1z
asked by marie 
CHEM! (SCIENCE) NEED HELP
Balance the equation; ___Mg+__HCI>__MgCI2+__H2 How many moles of hydrogen gas are produced when 3.0 molesbof magnesium react?
asked by tyneisha 
chemistry
What mass of lead (II)chloride would precipitate if a solution containing 8,28 g of lead (II) ions(Pb2+) reacts with excess HCl?
asked by maria 
Spelling
Is constant a vc/ccv or a vcc/ccv
asked by Estefany 
math
mark's fifth grade class received the following scores on their science test: 100,100,50,50,90,90,70,70,80,80.Wat is the mode on the grades of the science test? Whats the answer? o.O
asked by xD 
math
mark's fifth grade class received the following scores on their science test: 100,100,50,50,90,90,70,70,80,80.Wat is the mode on the grades of the science test? Whats the answer? o.O
asked by xD 
math
mark's fifth grade class received the following scores on their science test: 100,100,50,50,90,90,70,70,80,80.Wat is the mode on the grades of the science test? Whats the answer? o.O
asked by xD 
economics business studies maths literacy tourism
what are the courses for these subjects and careers
asked by amacio 
Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acidbase relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
asked by Raphael 
chemistry
What mass of solid magnesium hydroxide is needed to neutralixe .385 Liters of 2.5 M nitric acid?
asked by jessica 
science
Suppose you are an astronaut making a spacewalk outside the space shuttle. In your excitement about your walk,you use up all the gas in your reaction jet. How do you get back to the shuttle
asked by angel 
phy
Calculate the change in internal energy of 2kg of water at 90 degree Celsius when it is changed to 3.30m3 of steam at 100oC . The whole process occurs at atmospheric pressure. The latent heat of vaporization of water is 2.26×106J/kg
asked by christ 
Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acidbase relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
asked by Raphael 
math
the lateral area of cylinder is 96ð. if h=12, find r
asked by mary 
math
0.3 divided by 0.06 simplify the expression 2: 4+3 time 35 simplify the expression 3: a jogger on a treadmill is jogging at 5 miles per hour. which of the following is the time it will take him to jog 1 mile
asked by sadrac 
Physics
A filament bulb and a resistor are connected in series to a battery. Which of the following will contribute to the load of the circuit? A. Bulb B. resistor C. Bulb and resistor D. none I'm thinking the resistor, but I'm unsure. Thanks
asked by Need some help 
Math
Contruct a triangle RST in a way that TR=31 mm, RS=62 mm and angle STR=60 degrees....
asked by Faith 
math (help please)
Solve: 3 1/2+4 5/7
asked by marie 
math  grade 7
determine the diameter of a circle with a radius of 4.26m. determine the area of the circle with diameter is 8mm.
asked by deb 
Business
Ms.Sue Describe methods you would use to analyze one of these three different markets: consumer, industrial or international markets. What challenges would you face to ensure accurate data gathering in the market and what recommendations would you make to
asked by Quita 
science
An archer exerts an average force of 194 N to draw a 0.25 kg arrow back 1.2 m with the string of the bow. How much work does the archer exert?
asked by Lindsey 
English
Question: How can I rewrite this sentence to maintain the 3rd person academic tone? Is my answer correct? 1. You have probably figured out that the boy named Walter was Walter Elias Disney. My answer: One has probably figured out that the boy named Walter
asked by M 
Math
If triangle ABC is similar to triangle DEF and the scale factor is 1:2 correspondingly, what is the measure of angle D is the measure of angle A is 45 degrees? Explain how you determined the measure of angle D.
asked by Lalala 
chemistry
what is the mass of the precipitate formed when 45.0 milliliters of .250 M barium chloride solution reacts with 2.00 grams of copper(II) sulfae pentaydrate?
asked by jessica 
chemistry
if a 3.72 gram sample of nitrogen occupies a 2.50 liter container at 1.08 atm, what is the temperature in Celcius?
asked by jessica 
Calculus 3
Find the equation of the plane that passes through (1,0,0) and is perpendicular to the line r=+t. The vector equation of a plane is n*(rrsub0)=0. Thank you so much for your help!
asked by Heather 
construct truth table
Construct a truth table for q w/upside down v~p. Using the following below: p: this is an orange q: the monkey is tall
asked by Althea 
English
Read each sentence. Underline the compound subject compound verb or compound direct object Shakespeare wrote plays and sonnets I underlined plays and sonnets That musician writes and plays his own music I underlined writes and plays People ski and
asked by Jerald 
geography
why do you think the colonists finally decided to rebel against Britain?
asked by Taylor 
maths
A manufacture of furniture sells a sofa set to a retailer for Rs 23000.the retailer, inturn, sells the sofa set to a customer for Rs 29000.find the VAT rate as percent,if the retailer pays Rs520 as VAT.
asked by Anonymous 
math help
Solve: 5 1/33 5/6
asked by marie 
Chemistry
Convert 3.3cm^3 to m^3
asked by Marlon 
Chemistry
What is the density, in grams per liter, of N subscript 2 gas at STP
asked by Michelle 
calc
integral (x^2+x1)/(x+1) dx can you please explain maybe not step by step but not just the answer please thanks
asked by kmac 
Chemistry
I need to solve latent heat. It gives me the number of ice cubes and the mass in grams (7550 grams). It wants to know how many calories would burn turning the ice into body temperature water (if body temp is 37 degrees celsius.) It gives Lm of H2O=1,44
asked by Lori 
Lang Arts
2. Which verb correctly completes the below sentence? The collection written by several of my favorite authors _____ research in the rainforest. *discuss discusses 4. Because Anne refers to the bumper sticker as “everlasting punishment,” you can infer
asked by Jman 
science (physics)
50N 6kg  2N
asked by meme 
chemistry
what mass of water is expected when 5.80 grams of sodium carbonate reacts with excess sulfuric acid? what volume of gas is produced at STP?
asked by jessica 
Chemistry
Write the chemical equation showing dihydrogen phosphate and hydrogen phosphate conjugate acidbase relationship. Identify the acid and base. Explain how the equilibrium is shifted as buffer reacts with an acid and reacts with a base.
asked by Raphael 
Hi Guys
Hello, I just wanted to say thank you, thank you all for helping us with our homework and school. Thank you all. ^^
asked by ^^ 
algebra
If a car goes 085mph in 500' How many seconds does it take to get there?
asked by justin 
Medical
This 35 year old female patient has carcinoma of the upperouter left breast. She had a lumpectomy performed and a sentinel lymph node biopsy of the axillary lymph node. The pathology report for the lymph node states no pathological change. what ICD9 code
asked by Billie 
maths
The price of 13m cloth is as much less than rs.50 as the price of 27m exceeds rs.29. Find the price per meter?????
asked by tuhituhi 
maths
Divide rs 13.26 between A,B and C , so that B's share is twice the share of A and A's share is 1/3 of C's share?????
asked by tuhituhi 
Math
Mrs coopers 5th grade class has 11 more girls than boys. There are 35 students in all. How many girls are there?
asked by Chad 
MATH  INFINATE SOLUTIONS?? HELP!!
Can anyone help me solve this problem; 2x + 3 = 2x + 4  1 and explain why there are an infinite number of solutions? Thanks!!
asked by Muzzybunny 
math
complete the table for the equation y=x+6
asked by Courtney 
World History
How did the struggle between rich and poor affect Athens and Spartens?
asked by Dustin 
Algebra 1
Solve this proportion 4/x+3=8/10
asked by Dani 
Algebra
Find the function of f(0), f(3), and f(3)
asked by tootles 
precalc
1. Write an equation of the following using the particular function. 1. The function is sine. The amp is 2 and the domain is [0, 2]. I got y=2sin(pie(x)) but i plugged that in my calc and it doesnt look like the graph on my worksheet 2. The function is
asked by Rebekah 
math help
The price was reduced from four thousand, four hundred ninety six dollars to one thousand, eight hundred ninety three dollars. By how much was the price reduced
asked by marie 
math help
What decimal number is halfway between 14 and 15?
asked by marie 
English
Read the sentences Add the correct end punctuation to each one Do earthquakes occur in Texas ? The sound of sirens awakened us . For English class, what book will you read ? That's a giant fire ant mound ! Please put away your books . That player just made
asked by Jerald 
math
What is the present value of RM6, 500 to be received 10 years from today if our discount rate is 10%?
asked by Lily 
maths
y= tan(2tan^1x/2), show that dy/dx= 4(1+y^2)/4+x^2
asked by saadia 
medical transcription 2
I need help finding an answer in the Diagnostic imaging/interventional radiology TE #13, which is MRI brain for Edgar jorda. The part where it says: "The ________ appears minimally changed from the study..."
asked by Sara 
maths
A manufacture of furniture sells a sofa set to a retailer for Rs 23000.the retailer, inturn, sells the sofa set to a customer for Rs 29000.find the VAT rate as percent,if the retailer pays Rs520 as VAT
asked by Anonymous 
Math
Which of the following choices is correct? A. 0.43
asked by Corey 
math
lucienne and her class made 684 notecards for a school benefit. How many boxes of eight can they fill. Tell what you did with the remainder. Explain why.
asked by Troller 
chemistry
3. Find the molarity of a solution made from 734 g of Li2SO4 and 2.5 L of water
asked by Sam 
chemistry
what mass of water is expected when 5.80 grams of sodium carbonate reacts with excess sulfuric acid? what volume of gas is produced at STP?
asked by jessica 
Math PLEASE
It's about arithmetic sequence . . (the sum) SOLUTION PLEASE THANK YOU SO MUCH 1. A runner begins training on July 1 by running a kilometer, and increases the length of the run by 0.2 km/day. Find the length ofthe run in July 18 . 2.Bowling pins are set up
asked by Aliza 
English
I must improve the organization of these four sentences of a paragraph in the most effective way. Is my answer correct? Sentences: 1. The reader has probably figured out that the boy named Walter was Walter Elias Disney. 2. During his lifetime Disney and
asked by M 
Calculus (differentiation)
(a) Let f(x) = x^(1/x) for all x>/=1. Find the greatest value of f(x). (b) By (a), find a possitive interger m, such that m^(1/m) >/= n^(1/n) for all positive intergers n.
asked by Anonymous 
chemistry
a racing tire has a pressure of 148 kPa at 19 degrees Celcius. What willthe pressure be at 42 degrees Celcius, assuming the volume remains the same?
asked by jessica 
Math PLEASE
It's about arithmetic sequence . . (the sum) SOLUTION PLEASE THANK YOU SO MUCH 1. A runner begins training on July 1 by running a kilometer, and increases the length of the run by 0.2 km/day. Find the length ofthe run in July 18 . 2.Bowling pins are set up
asked by Aliza 
Medical Terminology
when comparing Hemodialysis and Peritoneal dialysis, it can be said that?
asked by Jane 
science
How to determine the amount of energy released when 50g of 100C steam changes to 0C ice?
asked by maggie 
phy
A string of natural length L extends to a new length L' under tensile force F. If Hooke’S law applies, the work done in stretching the spring is 
asked by christ 
phy
If a force of 80N extends a spring of natural length 8m by 0.4m what will be the length of the spring when the applied force is 100N
asked by christ 
Pre calculus
Log base 10(log base 8 8)=x
asked by Aphrodite 
reading
using the story "how it feels to be colored as me" what are the claim, premise, support, counterarguments, and argument
asked by Anonymous 
General math
7t6=104
asked by Michelle 
physical
An asteroid in an elliptical orbit about the sun travels at 3.9 106 m/s at perihelion (the point of closest approach) at a distance of 3.7 108 km from the sun. How fast is it traveling at aphelion (the most distant point), which is 8.6 108 km from the sun?
asked by ahmed 
Education
The purpose of IQ tests is to A) define cognitive style. B) describe preferred learning style. C) predict scholastic performance. D) identify personality types. I think its C but would like a second opinion.
asked by Lor 
Spanish (Please help)
1. Write the verb form for: yo/hacer. 2. Write the verb form for: ellos/hacer. 3. Write the verb form for: nosotros/hacer. Thank You.
asked by Deborah 
Education
Learning may be evidenced I'm not sure what this means.
asked by Lor 
Calculus
1. Find the area of the region between the curves y=sin(x pi/2) and y=x. 2. Find the area of the region between the curves y=sin(x), y=sin(2x), x=0, and x=pi/2.
asked by Anonymous 
math
can you show me pics of 3dimesional shapes
asked by Erial 
Math
f(x)=3/(x+1) g(x)=(x^3)/5 h(x)=x^2+7x+10 a. f(x)=10 b. f(x)=g(x) c. g(x)=h(x) d. f(x)=h(x) I am told to solve the equations, but the term "solve" is so vague. I don't know what I'm doing. Please help lead me in the right direction. Thank you.
asked by Morgan 
organic chemistry
what is this compound, it has a mf of c6h12o i. imgur. com/gCgw0Hi. png
asked by k 
english
i want to know more about the who what where why and how of robert falcon scott and the terra nova expedition
asked by rose 
college algebra
From 1988 to 2008 average annual tuition and fees at public colleges increased from $525 to $5500. Calculate the percent change over this time period. How do I set this up and solve it? Thanks for your help:)
asked by debbie 
biology
Mode of formation of nutrition(two pages)
asked by chi 
math
lucienne and her class made 684 notecards for a school benefit. How many boxes of eight can they fill? Tell what you did with the remainder. Explain why. Please answer fast, im in a hurry D:
asked by ASDFGH 
English
conclusion of the story
asked by Anonymous 
english
I must combine the following sentences in the most effective way. Is my answer correct? 1. Walter loved animals. 2. He especially loved watching them in the forest near his Missouri home. My answer: Walter loved animals, especially watching them in the
asked by M 
aig math(Ms.Sue)
Both Todd and Zack earn the same salary. Todd spent $716 and Zack spent $128. Then Zack had 4 times the amount of money Todd had left. How much is their salary? Please tell me how and what your answer is?
asked by May 
math
what is 1/2 divided by 1/7
asked by Anonymous 
maths
A sum of rs76.50 was pain in 50,25 and 10 paise coins. The number of 10p coin used was four times a number of 25p coin and 10 times of 50p coins how many were there of each ?????
asked by tuhituhi 
Hiastory HURRY!!!!!!!!!!!!!!!!!!!!!!!
Which of the following programs would have pleased Hoover the most? A. national medical care for all citizens B. voluntary relief efforts by church groups C. social security for old people D. federal unemployment payments
asked by becka 
phy
Tinny insects such as mosquitoes can seat on the surface of water. Which physical principle makes this possible?
asked by christ 
math
you fill up 40 gallon pool putting in 2 gallons water every minute, if someone scoops out 1 gallon every 8 minutes, how long would it take to fill the pool?
asked by Lisa 
math help
Use digits to write eighty five hundred thousandths
asked by marie 
anatomy
how many extremities are in the human body?... is it only two with is our upper extremity and lower body?... help!..thanks!
asked by rose 
algebra 1
The length of a rectangle is 5mm longer than it's width. It's perimeter is more than 30mm. Let w equal the width of the rectangle.. What could be a equation to support this??
asked by lavanity 
math
(4x^3+5x^22x1)(3x^2+7x4)
asked by jaime 
M.I.G
Can a rightangled triangle be an isoscele triangle?
asked by njebo 
Precalculus
I asked this yesterday but I was told my answer was incorrect by my professor. ln x^5  ln x^2 = 3 solve for the unknown. I have reviewed my Log laws but yet I still cannot figure out what the answers are. The question asks for me to write all answers as a
asked by George 
Math
A machine does 1000 tasks in 4.3 x 10^2 seconds. How much task will be done in 2 hours? Leave answer in scientific notation.
asked by Nina 
science
how to calculate calories is food
asked by bob 
English
How do you pronounce "Draven" in "Jamie Draven"?
asked by rfvv 
English
Question: How can I rewrite this sentence to maintain the 3rd person academic tone? Is my answer correct? 1. You have probably figured out that the boy named Walter was Walter Elias Disney. My answer: One has probably figured out that the boy named Walter
asked by M 
Calculus (differentiation)
(a) Let f(x) = x^(1/x) for all x>/=1. Find the greatest value of f(x). (b) By (a), find a possitive interger m, such that m^(1/m) >/= n^(1/n) for all positive intergers n.
asked by Anonymous 
English
Read the sentences Combine them to make a compound sentence using a comma and the coordinating conjunction in () We had a great time at the beach. I can't wait to go back (and) We had a great time at the beach, and I can't wait to go back. The marathon was
asked by Jerald 
math
a body moving with acceleration of 4 m/sec2 describes 60 m in the 8th second. Find its initial velocity
asked by narinder 
Education
Bloom's taxonomy levels A) correspond directly to grade levels in constructing an action plan. B) help teachers to gauge the cognitive levels required for their objectives. C) identify at which step in the DID cycle instruction is occurring. D) indicate
asked by Lor 
5th grade math word problems
If 300 napkins cost $1.69 and 100 napkins cost $.89, what is the least expensive cost for 1010 napkins?
asked by Reece 
Math
An investor invested money @ 5% and $49,000 more than 3 times the amount @ 11% and the total interest earned is $43190 How much did he invest at each amount?
asked by Lynn 
4th grade word problems
if tiles at a store cost .$20 for a 1"x1" square and $.30 for 1"X2" rectangle what would be the cheapest way to buy tiles to make a tiled square 3 inches on each side.
asked by Reid 
math
is eating an apple a physical change?
asked by Anonymous 
Algebra 1
A car travels on a highway at an average speed of 65 miles per hour. What was the speed in feet per second? (Remember 1 mile=5280 feet)
asked by Dani 
Algebra
how can i break this down .2y+4.2=
asked by barbara 
math help!
Solve: 18x=9*10
asked by marie 
Math
What would be the geometric shape of a mansard roof?
asked by Mary 
Math
calculate average rate of change 6, Y= 6x^2  3, 0
asked by Kush 
Bigfoot Reserch Report
Help me i am doing a resherch report on bigfoot. I need some websites that are helpful other than wikipedia.
asked by Jman 
math
the sum of two twin numbers is 60 what are the number
asked by Deepa( Exam prep question) 
math
what is the average of 4,12,23,11 and 5
asked by Anonymous