Questions Asked on
January 18, 2013

Physics
Ted Williams hits a baseball with an initial velocity of 120 miles per hour (176 ft/s) at an angle of θ = 35 degrees to the horizontal. The ball is struck 3 feet above home plate. You watch as the ball goes over the outfield wall 420 feet away and lands
asked by Ed 
Biology
A blue eyed man whose parents were brown eyed marries a brown eyed woman whose father was brown eyed whose mother was blue eyed they have one female child who is blue eyed make a pedigree chart based on the information above.
asked by Kimberly 
Physics
A charge q1 = 5 ìC is at the origin. A second charge q2 = 3 ìC is on the xaxis, 0.8 m from the origin. The electric field at a point on the yaxis, 0.5 m from the origin is: I don't understand the question please help . Thanks for reading
asked by ugh 
Chemistry
The density of solid W is 19.3 g/cm3. How many atoms are present per cubic centimeter of W? As a solid, W adopts a bodycentered cubic unit cell. How many unit cells are present per cubic centimeter of W? What is the volume of a unit cell of this metal?
asked by Anonymous 
Math
the product (2x^4y)(3x^5y^8) is equivalent to? a.5x^9y^9 b.6x^9y^8 c.6x^9y^9 d.5x^20y^8 e.6x^20y^8
asked by Sky 
Math
The denominator of a fraction exceeds twice the numerator of the fraction by 10. The value of the fraction is 5/12. Find the fraction.
asked by MP 
Chemistry ASAP
3. Methane (CH4), ammonia (NH3), and oxygen (O2) can react to form hydrogen cyanide (HCN) and water according to this equation: CH4 + NH3 + O2 HCN + H2O You have 8 g of methane and 10 g of ammonia in excess oxygen. Answer the following questions: •
asked by Moe 
physics
An object has a charge of −2.4 ìC. How many electrons must be removed so that the charge becomes +2.8 ìC
asked by Anonymous 
Microbiology
Discuss some of the physical and chemical factors involved in the composition, and in the preparation, of a culture medium. Nutrient ingredients: ___________________________________________________________ ___________ pH and buffering:
asked by Jenn 
Trigonometry
You are flying a kite while standing 60 ft from a fence. If the kite string makes a 40 degree angle with the ground, how much string, in feet, is let out when the kite is directly above the fence?
asked by Dynesha 
math
Each student desk in a classroom has a rectangular desktop that measures 60 cm by 45cm .Some of these desks are arranged ,side by side . Find the least length of a side of the square . AND the number of rows and colums of desk used to form the large square
asked by ZEELINGA 
mathsurgently needed
The areas of the the three adjacent faces of a cuboid are 600 sq.cm 300sq.cm and 200 sq.cm.find the sum of the length,breadth and height of the cuboid ?
asked by Anonymous 
Business Math
A number increased from 224 to 336. Find the percent of increase. A number decreased from 250 to 195. Find the amount of decrease.
asked by tmouery 
Microeconomics
Discuss the ethics of using unconscious nudges to alter people's behavior. Within your answer, consider the argument made by economists Richard Thaler and Cass Sunstein, who favor the use of nudges. Could nudges be avoided? Do all policies contain some
asked by Mary 
psychology
how has the definition of social faciliation evolved over time
asked by sabrina 
Calculus
Which of the following would have a horizontal asymptote of y = b/a? Which one has a horizontal asymptote of y = 0? ( bx^3  x^2 + 3 ) / ( ax^2  2 ) ( bx^3  x^2 + 3 ) / ( ax^3  2 ) ( bx^3  x^2 + 3 ) / ( ax^4  2 ) ( bx^2 / a )  6 Please explain! :)
asked by Lost One 
World history; Check:P
Check please and help with #5. I have an answer but believe I'm wrong. 1.How did environmental features in Anatolia help the Hittites advance technologically? The Hattians were indigenous people who lived in Central Anatolia. As they lived in the
asked by Victoria 
AP Calculus
Two ships sail from the same port. The first ship leaves port at 1:00a, and travels eastward at a rate of 15 knots. the second ship leave port at 2:00am and travels northward at a rate of 10 knots. Determine the rate at which the ships are separating at
asked by Rachael 
Physics
A 3.6 kg block initially at rest is pulled to the right along a horizontal, frictionless surface by a constant, horizontal force of 18.2 N. Find the speed of the block after it has moved 2.7 m. Answer in units of m/s
asked by Big Poppa Smurf 
MATH 11 help PLease!
A rectangular garden is made at the side of the house. Part of the house forms one side of the fencing and divided into four equal plots. If 90m of fencing is available, determine the dimensions for the entire garden that will produce a maximum area. how
asked by gabriel 
Writing
What are some ideas for a title of an article on dances at school?
asked by kathryn 
math
if you buy 30 apple for 47 dollars how much does 1 apple cost
asked by blake 
Math
find the limit: Lim (49x^225)/(7x5) x>5/7
asked by yoshii 
algebra
A total of $15,000 is invested into two accounts. One of the accounts earns 12% per year and the other earns 10% per year. If the total interest earned in the first year is $1600, how much is invested in each account? 1.) Define the variable(s) and what
asked by liz 
Physics
Suppose that there is a partial blockage of the aorta, which normally pumps about 5 L of blood per minute. If the diameter of the aorta were reduced by 30%, what increase in blood pressure gradient would be needed to obtain the normal flow rate? (Assume
asked by Tim 
Physics
An airplane wing with an average cross sectional area of 10 m^2 experiences a lift force of 5000 N. What is the difference in air pressure, on the average, between the bottom and top of the wing? a. 5000 Pa b. 500 Pa c. 50 Pa d. 50000 Pa e. 10 Pa
asked by Will Burns 
Physics
Suppose you have a very long straw that can reach from a cup of water on the ground level to the top of a very tall building. When you use a pump to suck on the straw in order to bring water up, a. you can bring the water up to any height with no problem.
asked by Tommy 
Computer
You have an empty 64 bit PCI slot in your computer. What can you install in it? A. A single 64 bit adapter card B. A single 32 or 64 bit adapter card C. A single 64 bit adapter card or two 32 bit adapter cards D. A single 64 bit adapter and an 8 bit
asked by Nikki 
Computer
For which operating system is exFAT NOT an option when formatting a partition? A. Windows XP with SP3 B. Windows XP with SP2 C. Vista with SP1 D. Vista
asked by Nikki 
Algebra 2
Simplify sqrt80 3 Sqrt63  sqrt125  sqrt175
asked by Zack 
Math
Suppose f is a function with range (∞,∞) and g is a function with domain (0, ∞). Is it possible that g and f are inverse functions? Explain.
asked by Sam 
physics
car a with mass of 1250kg, is traveling at 30 m/s to the east. car b is a truck with mass of 2000kg, traveling to the west at 25m/s. assume these two vehicles experience an inelastic collision but do not stick together and car a goes off 10m/s to the west.
asked by mauro dar 
Spanish Check??
Conjugate the following verbs in present tense for the forms shown: 1) conduciryo, tu, el/ella yo conduzco tu conduces el conduce ella conduce 2) escogeryo, tu, el/ella yo escojo tu escojes el escoje ella escoje the "j" is correct letter when you
asked by Victoria 
Spanish Check??
Conjugate the following verbs to future simple. Juan Y Ana (viajar) ______viajarán___________ a Europa el próximo año. Mi horóscopo dice que (tener) ___tendré______________un dia muy bonito. En las noticias dijeron que hoy (llover, 3rd person) ___
asked by Victoria 
Chemistry
Block A of an unknown metal has a volume of 125cm^3 . Block B of a different metal has a volume of 145cm^3. If block A has a greater mass than block B, what can be said if the relative densities of two metal?
asked by Quan 
Physics
Suppose you have a very long straw that can reach from a cup of water on the ground level to the top of a very tall building. When you use a pump to suck on the straw in order to bring water up, a. you can bring the water up to any height with no problem.
asked by Tom 
Math
On a Christmas package, Audrey needs to use only 40cent stamps and 16cent stamps. If she uses twice as many 40cent stamps as 16cent stamps, how many of each type of stamp must she use to mail a package costing $5.76 in postage?
asked by Cat 
mathsurgently needed
Consider the number 6135246. Jai can change this number in the following way. He can select atleast one digit and at most six digits (which need not necessarily be consecutive) from this number, and shift them to the rightmost in their respective order.
asked by Anonymous 
Math
On a Christmas package, Audrey needs to use only 40cent stamps and 16cent stamps. If she uses twice as many 40cent stamps as 16cent stamps, how many of each type of stamp must she use to mail a package costing $5.76 in postage?
asked by Erik 
Calculus 2
A circular plate of radius r feet is submerged vertically in a tank of fluid that weighs w pounds per cubic foot. The center of the circle is k(k>r)feet below the surface of the fluid. Show that the fluid force on the surface of the plate is F=wk(πr^2).
asked by Jack 
Math
On a Christmas package, Audrey needs to use only 40cent stamps and 16cent stamps. If she uses twice as many 40cent stamps as 16cent stamps, how many of each type of stamp must she use to mail a package costing $5.76 in postage?
asked by Frank 
Physics
One million spherical points join a point.Radius of any point is r=5x10^4cm, while electrical load is q=1.6x10^14C.What is the energy that should be spent for possession of electrical forces?
asked by fjolla 
math
Brandon received a book for his birthday and read 36 pages in 3 hours. Later, he read 52 pages in 4 hours. Does his reading follow a direction variation? Explain
asked by Jyson 
math
differentiate of y=sinx+cosx
asked by raghunath laguri 
Science
What would be better topic for me to choose for my science fair project ? ( Anything except which ones i don't know about and wont get grades
asked by Anonymous 
american history
At the outset of the secessionist movement in the South, which state defeated the cooperationist argument that the South should act as a unit? A. Mississippi B. South Carolina C. Virginia D. Kentucky
asked by leanne 
science/evolution
what exactly is the unity of life?
asked by annie 
science project
I'm trying to find information on does lung capacity depend on height
asked by Ana 
Math
Hi,Im Wondering What Is The Unit Rate Of 68min/8mi?
asked by Latrease 
Math
Use the function rule, y = 2x + 5, to find the values of y when x = 1, 2, 3, and 4. Write the answers as ordered pairs that would be used to graph the function.
asked by katie 
MATH URGENT
a. Solve a – 9 = 20 b. Solve b – 9 > 20 c. How is solving the equation in (a) similar to solving the inequality in (b)? d. How are the solutions different? I don't know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz
asked by Gabby 
Physics, help me please?!
A car travels around a circular turn of radius 50 meters while maintaining a constant speed of 15m/s find the minimum value for the coefficient of friction necessary to keep the car on the road in icy conditions, the coefficient of friction drops to 0.15,
asked by Matt 
math
show graph how a factory can work its employess no more than 6 and and no less than 2 days per week if the work day is 6.5 hours what is the range in hours
asked by cindy 
Algebra
I need some help figuring these. Compute each product and simplify the result. I don't have the squareroot sign so put that meaning that's where it goes with the number after it. 1. (0.3 Squareroot of 5)^2 2. (2+ squareroot of 5)^2 3. (5+4Squareroot of
asked by Becca 
Math
Place the following list in order from least to greatest. ¾,.77, square root of 3, and .7717
asked by MP 
math
Place the following list in order from least to greatest. .5, Square root of 4, 1.5, and 3/8
asked by MP 
math
In a house made up of 9 rooms, 6 rooms have painted walls, 2 rooms have ceramic tiled walls and 1 room has both painted and ceramic tiled walls. How many rooms do not have either painted or ceramic tiled walls? (Venn diagram required)
asked by MP 
math
A theater has 1500 seats. One night, 9 out of 10 seats were filled. How many people attended that night?
asked by MP 
Math
The ratio of the measures of the three angles of a triangle is 2:5:8. What is the measure of each angle of the triangle.
asked by MP 
Trig
Using this graph: imgur [dot] com/utSgKI9 Find the measures of angles A and G in the drawing (m is parallel to n) if C=4x18 and F=2x+34
asked by Bruno 
English
Hi! I am doing project on "What Factors Promote Psychological Well being in midlife"? I am confused and don't know where to start. What should I talk about to make it interesting topic that grabs the readers attention? Please give me ideas to start
asked by Amy 
Chemistry 12
Solid phosphorous is found in two forms: white phosphorous (P4) and red phosphorous (P). White phosphorous is the standard state. The enthalpy of the formation of red phosphorus is 17.6kJ. When 32.6 g of white phosphorous reacts to form red phosphorous.
asked by Zack 
math
the sum of the reciprocals of three consecutive positive integers is equal to 47 divided by the product of the integers. what is the smallest of the three integers?
asked by sadia 
Math
A cylindrical soup can has a radius of 4.1 inches and a height of 2 inches. Find the volume of this can. a.In terms of pi b. Also.To the nearest cubic inch
asked by MP 
math
If the first marble is replaced before the second marble is drawn, what is the probability of selecting a white marble then a red marble? there are 4 red marbles 5 white and 3 blue
asked by heather 
Math
Find the volume of a rectangular solid with a length of 5 cm, width of 3 cm and a height of 0.5 cm
asked by MP 
Math
JenMin wants to enlarge a 4 inch by 6 inch photo so that the longer side will be forteen inch how long will the shorter side be?
asked by Natalie 
Pre Calculus 12 urgent
andrew is working on a binomial problem (1/2xy)^7. He asks u to : i) what the coefficient of the 6th term ii) find the term that has the variabes x^47^3 (ex. 34x^4y^3) iii) find the first three terms of the expansion I really need help with that ^ . I
asked by Shreya 
math
show 2 ways of using the distributive property to find the product of 125 times 32
asked by tania 
Science
organisms eat each other in an environment that follows is a ???? predator/prey wheel
asked by lazyburrito 
social impact on technology
The article "Young at Risk" purposes that the young of humans and animals are more vulnerable to chemical pollutant exposure due to all of the following reasons except that: A. their brains are less sensitive than those of mature humans and animals. B. the
asked by debbie 
physics
a point charge of 3.00*10^6C is 12.o cm distance from a second charge of 1.50*10^6 c. Calculate the magnitude of the force on each charge?
asked by jayson 
Spanish Check??
Please Check.. Write a dialogue between 2 people that just met. Use the vocabulary of the first 4 chapters.Write at least 10 sentences: 5 for each person. (Notice that a sentences has to have a verb.) Victoria: Hola, mi llamo Victoria. Alfredo: Hola, mi
asked by Victoria 
English
Please indicate if these details are including in paragraph. The paragraph must describe one particular experience you’ve had that inspired you or guided you to choose the type of position for which you applied. show you have thought carefully about what
asked by Evelyn 
Marie/Gina
Using filthy language here gets you on the banned list in a hurry. =(
asked by Writeacher 
English
IS THIS PARAGRAPH ACCEPTABLE FOR THE INFORMATION REQUIRED? Your goal is to persuade your cousin to apply for the job. You email her a paragraph explaining the specifics of the job and the reasons she should apply. You want to convince her that she has the
asked by Evelyn 
algebra1
Sam rows up a river to camp in three hours.The next day he makes the return trip downstream in one hour. If he can row two mph in still water, how fast is the current? i don't understand this?
asked by naomi 
tutor
will i get volunteer hours here if i will answers some questions?
asked by sylvan 
balaji pharmacy clg ,science
why it is taken 85ml of hcl for 1litre of solvent according to I.P. while it is 43.02ml when it is calculated?
asked by shaziya 
Physics
The kinetic energy of a proton is half its internal energy. What is the proton's speed? Kinetic energy is (Yu  1) (mp) (c)^2 = 1/2 (mp) (c)^2 Yu = 1.5 Yu = 1/(square root) 1  (u/c)^2 1/(square root) 1  (u/c)^2 = 1.5 u= 0.745c How do I solve for u? I'm
asked by Katie 
physics
A movig particle encounters an external electric field that decreases its kinetic energy from 9670 eV to 7540 eV as the particle moves from position A to position B. The electric potential at A is 66.0 V, and that at B is +16.0 V. Determine the charge of
asked by help 
physics capacitor
What voltage is required to store 8.0 x 105 C of charge on the plates of a 6.1μF capacitor?
asked by help 
physics (electric field)
The drawing shows the potential at five points on a set of axes. Each of the four outer points is 6.2 x 104 m from the point at the origin. From the data shown, find the magnitude of the electric field in the vicinity of the origin.
asked by help 
maths
Using the fitted regression model, estimate the average change in cry time for infants with severe pain versus those without severe pain, holding group constant. Provide a 95% confidence interval for this estimate.
asked by umer 
physics
The membrane that surrounds a certain type of living cell has a surface area of 4.4 x 109 m2 and a thickness of 1.6 x 108 m. Assume that the membrane behaves like a parallel plate capacitor and has a dielectric constant of 4.1. (a) The potential on the
asked by help 
English
REVISED My passion for medical transcription arose because of my love for research and thirst for knowledge after losing my father from stroke complications. I have been curious about new diagnoses, medications, technologies, and new treatment options. As
asked by Evelyn 
Algebra
8x^3 + 27 factor the sum or difference of two cubes. Please show work.
asked by Michelle Summer 
albegra
(8x + 2)+7
asked by Anonymous 
physics
Two small plastic balls hang from threads of negligible mass. Each ball has a mass of 0.14g and a charge of magnitude q. the balls are attracted to each other. When in equilibrium, the balls are separated by a distance of 2.05cm and the threads attached to
asked by stoicrider77 
Help please
According to the textbook,an individual's most. Important decision that will effect the climate is: a. The choice to unplug an extra freezer that is rarely used b. looking for the energy star on new appliances c. Selecting a fuel efficient automobile d.
asked by Tony 
Computer
What is the name of the Windows Utility that you use to format drives? A. System Manager B. System Drive Manager. C. Disk Management D. Windows Drive Administrator
asked by Nikki 
chemistry
Suppose you have two 100mL graduated cylinders. In each cylinder, there is 36.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.60cm on each side.
asked by Anonymous 
Algebra
Factor by grouping: 2x^2  4x + x  2
asked by Michelle Summer 
algebra 1
Given any random, 3digit number, what is the probability that a number will be: a) a multiple of 5 b) divisible by 2 c) a square number i know the answer but i don't know how to solve it
asked by naomi 
Physics
Two copper wires are held under the same tension. If the linear density of the second is twice that of the first, what is the speed of the waves on the second wire (relative to the first)?
asked by Sean 
math (algerba 1) Please help!
In basketball you score 2 points for a field goal and 1 point for a free throw. Suppose that you have scored at least 3 points in every game this season, and have a season high score of 15 points in one game. How many field goals and free throws could you
asked by annie 
Physics
The period of longitudinal sinusoidal wave is 0.16 seconds and its wavelength is 8.0 meters. Calculate the wave's speed, frequency, angular frequency and wave number.
asked by Sean 
Physics
A horizontal wire is held taut by a mass M hanging from its end over a pulley. A harmonic wave of wavelength is produced on the wire by a 52 Hertz vibration. If the mass of the density of the wire is 8.0 x 10^3 kg/m, what is M?
asked by Sean 
Physics
A wave described by y(x,t)=Asin(kxwt) moves down a string. What is the maximum transverse speed an atom of the string can have? What is the displacement of this atom at this time?
asked by Sean 
lab
How much 38%Hcl will be used to prepare N/3.05 solution in 2litre water.
asked by abc 
math
john is think of a number. If you divide the difference of his number and 12 by 7, and then add 23, the result is 32. what is the number and can you explain your answer?
asked by sandy 
Math
find the distance between M(1; 0; 3) point and 2x2y+z+7=0 plane
asked by yoshii 
Math
The following drill bits came in a typical set. Covert each bit size to millimeters (mm),rounding to nearest tenth of a millimeter. 1/16 in or 5/64in
asked by Sandra 
Trig
What re the roots of the following polynomial equation (x+5)(x+2)(x5)=0
asked by Anonymous 
World history; Check:P
City States: 1,How does an empire differ from a citystate? A citystate is an independent country whose territory consists of a city which is not administered as part of another local government. An empire is a geographically extensive group of states and
asked by Victoria 
Math
A committee will elect a president, a secretary, and a treasurer. If the committee consists of 35 members, how many possible outcomes for the three positions can occur? (Note that no member can be elected in two positions.)
asked by Therese 
Math Please help me
A rectangular prism has the following dimensions. length: 8 cm width: 13 cm height: 10.5 cm If all the dimensions of the prism are doubled, what will be its new surface area? 1,298 cm2 4,192 cm2 2,596 cm2 4,368 cm2
asked by Sakiera 
Math
Eight sprinters from different universities are in the final match. In how many ways can the sprinters receive a gold, a silver, or a bronze medal?
asked by Therese 
Math
How do I put this into the calculator: 4sqrt1
asked by Sam 
math
What is the value of a home that costs 121,000 in 18 years at 4% interest
asked by Anonymous 
Mechanics that is physics
A car moved 15meter per sec.for 2min,after which it moved at 18meter per sec.for 45 sec,calculate the average velocity of the car.
asked by victoria 
World history; HELP
Help please? 6.Do you think that the Zhou Dynasty’s downfall resulted from its method of control? Why or why not?
asked by Alfredo 
Chemistry
1. I have 2% NaCl solution. From this I want to prepare a solution to contain 0.1 g of the sodium compound in 2 mL of water. Thanks
asked by Steve 
algebra 1
i need to make a math advertisement for one of the methods for solving systems of equations and i need a catchy slogan any ideas and a nice looking logo thnx
asked by naomi 
dara
the volume of a cube increases at average of 24cm^3 /min while it's length increases 2 cm/min
asked by hana 
English
Write an essay on how i got admmision into Abia state polythecnic not less than 350 words
asked by victoria 
Math
The measure of Ú3 is 101‹. Find the measure of Ú1. 1) 101 2) 106 3) 79 4) 74 I don't get it ~crys~
asked by LaShawnn Brown 
Math
Using only measurements from the ground, determine the air speed of a passenger jet flying over the university. What methods should I use?
asked by Rachel 
physics
Dolphins emit clicks of sound for communication and echolocation. A marine biologist is monitoring a dolphin swimming in seawater where the speed of sound is 1523 m/s. When the dolphin is swimming directly away at 5.5 m/s, the marine biologist measures the
asked by Orla 
PREALGEBRA
An adult house cat could be about 1____ high.
asked by BRITTANY 
World history; Check:P
1.What methods did the Assyrians use when they attacked enemy cities? They captured 46 towns, by consolidating ramps to bring up battering rams, by infantry attacks, breaches and siege engines. 2.How did the Royal Road help Darius maintain control over his
asked by Victoria 
Math
Suppose that you toss a coin and roll a die. What is the probability of obtaining each of the following combinations? (Enter your answers as fractions.) P(Tails or a Five)
asked by Kristen 
Math quick question
I was given a graph of an adult riding a bike. So I believe the period represents how long the wheels take to turn (is that correct?) now they want me to make a graph of a child riding a bike. Do you think the period would be bigger or smaller? I was
asked by Anonymous 
Math
111. Cold Water Survival When a person falls through the ice on a lake, the cold water removes body heat 25 times faster than air at the same temperature. To survive, a person has between 30 and 90 seconds to get out of the water. How long could a person
asked by Sam 
Math
#5. If a rancher has one cow with a contagious disease in a herd of 1000, then the time in days “t” for “n” of the cows to become infected is modelled by: t= 5ln((1000n)/999n where “ln()” stands for natural logarithm function. a) Find the
asked by Sam 
math
In a(n) _________ , simple interest is added on to the amount borrowed and the total is repaid in equal installments.
asked by Anonymous 
Business Math
Find the amount of decrease if 68 is decreased by 15%.
asked by tmouery 
math
How can I find the tax?
asked by The Awesome One..... 
Business Math
If 78 is increased by 40%, what is the new amount?
asked by tmouery 
math
if jay eats 1/3 of jelly beans and jack 1/4 of the jelly bean leveing bill with 10 jelly bean how many were there to start with
asked by Tony 
Algebra
I need some help figuring these. Compute each product and simplify the result. I don't have the squareroot sign so put that meaning that's where it goes with the number after it. 1. (0.3 Squareroot of 5)^2 2. (2+ squareroot of 5)^2 3. (5+4Squareroot of
asked by Becca 
Physics, help!
A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage) An ideal gas heat engine operates in a Carnot Cycle between temperatures of 266 and 115°C. It absorbs 4250 cal per cycle at
asked by Sierra 
statistics
help me work out the problem to calculate the difference means distribution parameters n(1)=25, n(2)=36 s(1)square=50, s(2) square=72, M(1)=100,M(2)=105
asked by Cherelle 
Algebra
Rationalize each expression by building perfect nth root factors for each denominator. Assume all variables represent positive quantities. I don’t understand how to compute these. Also I don’t have the square root sign so I typed it out where it would
asked by Becca 
physics
Boxcar A, with mass of 1500 kg, is travelling at 25 m/s to the east. Boxcar B has a mass of 2000 kg, and is initially at rest. The box cars collide in elastically and move together after they get stuck. What is their combined velocity?
asked by mauro dar 
physics 2
A charge of 6.8 microCoulombs is placed at x = 0, y = 0. A charge of 18.5 microCoulombs is placed at x = 0, y = +37 cm. Another charge of 12.9 microCoulombs is placed at x = +17 cm, y = 0 cm. What is the angle the total electric force on the charge
asked by Jessica 
physics 2
Two identical positive charges are placed 15 cm apart and the magnitude of the electric force between them is 5.4 Newtons. They then exchange charge (one charge loses some electrons and the other gains the same amount of electrons), but they both still
asked by Jessica 
chemistry
CS2+3O2 > CO2+2SO2 What is the volume of sulfur dioxide, in milliliters,produced when 27.9 mL O2 reacts with carbon disulfide
asked by Bree 
physics 2
Three charges are placed on the y axis. One charge of 3.2 microCoulombs is placed at y = 0, another charge of +2.6 microCoulombs is placed at y = 0.29 meters, and another unknown charge is placed at y = +0.51 meters. The total force on the charge at y
asked by Jessica 
Physics
A 104 N car is lifted by a manually operated hydraulic lift. The area of the shaft of the lift is 80 cm2; the area of the piston that forces liquid into the system is 2 cm2. What minimum force must be exerted on this piston to lift the car? a. 104 N b. 125
asked by James Arnold 
BUSINESS
You are the owner of a midsize business that sells medical devices to hospitals, clinics, and physicians. Your products include implantable devices (pacemakers) and equipment used for therapeutic applications such as dialysis, monitoring of blood sugars,
asked by leonor 
chemistry
Lab on Determining hard water Not sure if I answered this currently, not completely sure how to explain either. If a student has a nonzero blank correction, but forgets to include that correction in his/her calculations:? a. Would his/her calculated
asked by Ahmad 
Physics
A cylindrical wood puck (density = 0.75 g/cm3 ) is placed into a water bath. The density of water is 1.0 g/cm3. The wood puck has a diameter of 11.0 cm and a height of 3.5 cm. When the puck reaches equilibrium in the water bath, how far below the surface
asked by Alphonse 
Math
thirds is 3/1 right ? 11/1 divided by 3/1 11/1 x 1/3 11/3 divide = 3 2/3 ??
asked by Moby 
math
Let x=3 Evaluate if possible: 2x^2
asked by jay 
Physics
An airplane wing with an average cross sectional area of 10 m^2 experiences a lift force of 5000 N. What is the difference in air pressure, on the average, between the bottom and top of the wing? a. 5000 Pa b. 500 Pa c. 50 Pa d. 50000 Pa e. 10 Pa
asked by Will Burns 
Pre Calculus 12
Im on the chapter of permutations/combinations/fundamental counting principle need help with 2 questions 1. emma is arranging her books in piles on her desk. she has 5 math books, 3 english books, and 4 science books. how many ways can she arrange them if
asked by Shreya 
Math
If a+2b+3c = 34 then 3a+6b+9c=?
asked by Noor 
plzz help me
2. As you read The Cay, you will learn about people and their prejudices. as you read the cay Why do you think there would be feelings of hostility toward those of other races in Curacao? 3. Name 6 natural resources in Curacao. 4What is the capital of
asked by peace 
Physics
An intravenous blood plasma drip enters a vein in the patient’s arm from a bag raised a height h above the vein. If the diameter of the 5 cm long needle is 0.5 mm, use Poiseuille's law to find the height h that results in a 5 cm3/min flow rate. (Assume
asked by Jacob Dover 
chemistry
why a flame of fire faces to the upward direction and not to the downward direction even having the effect of gravity?
asked by berton 
Math
Describe the number of solutions for the equation. 13. 3(x – 3) = 3x (1 point) one solution no solution infinitely many solutions 14. –2(y – 3) = 2y – 6 (1 point) one solution no solution infinitely many solutions
asked by plz help 
Chemistry
What type of chemist would study the energies and heats involved in chemical reactions?
asked by Moe 
Math
Given a geometric progression: 0.05, 0.2, 0.8, ... Find the sum from the 5th term to the 8th term?
asked by azmeerahim 
Chemistry (Gas question)
The mean kinetic energy of the molecules in a sample of H20 gas is 12x10^19 J, calculate the mean velocity of a molecule and the temperature of the gas. Please help need to know for exam tomorrow.
asked by Dt 
Chemistry
Calculate the amount of heat required to raise the temperature of 3 moles of oxygen gas from 298 to 400K. Given that C, of O2 is 29.36 Jmole'K'. Please show how to do it.
asked by Dermot 
Chemistry
Hey i have an idea how to do this but am not sure could you please help and show work. 12 moles of a gas sample at an initial temperature of 12 degrees celcius at a pressure of 200 Pa is allowed to expand isothermally and reversibly against a pressure of
asked by Dermot 
math
73. Cell Phone Plan A cell phone plan costs $3.95 per month plus $0.07 per minute. (Assume that a partial minute is not rounded up.) (a) During July, a person talks a total of 50 minutes. What is the charge? (b) Write an equation in slope–intercept form
asked by sunny 
Chemistry (mole question)
Calculate the molar mass of potassium hydroxide (KOH). How many atoms would we find in a 100 mL solution of 1 µM KOH?
asked by Dermot 
Help with math needed!
1. your favorite book is $29.50, how much is it with tax? 2. A new bed set is $45.00, it is 15% off discount with the tax 3. Your brother's baseball costs $53.35 a month, but now they added 23% of the original cost to it, how much is it now? Note: each
asked by The Awesome One..... 
algebra 1
what are some methods of solving systems of linear equations
asked by da 
Allegbra
y=.01x^2+.06x+5.9
asked by Anonymous 
Geography
Which state capital is east of the 90 degree W longitude line: Jackson, Indianapolis, or St Paul. I think that Indianapolis is the answer is that correct? Also, Is this correct? The Pacific Ocean is East of Asia, East of Australia, West of North America
asked by Alex 
English
need to unscramble these letters and make a sentence: hinhakinyteftiditelt
asked by tea 
math
substract; than reduce answer to lowest terms 5/22 1/41
asked by pam 
math
each table in a banquet room seats 8 people. The room can seat no more than 360 people. Write and solve an inequality to represent the number of tables in the banquet room
asked by kelsionna 
Math: Algebra
The points (5,2), (10,2), and (t,01) lie on the same line. Find the value of t. Please help me!
asked by Jane 
Business 100
select an organization with which you are familiar and discuss the impact of that organization's level of social responsibility on a stakeholder group of your choice
asked by Jerome 
Math
1. –9p – 17 = 10 (1 point) –3 16 18 –16 2. w over four – 4 = 3 (1 point) –4 28 3 11 3. d over three+ 10 = 7 (1 point) 51 20 0 –9 4. –2(m – 30) = –6m (1 point) –15 –13 –8 8 5. 3n + 2= 8 + 2n (1 point) 3 4 5 6 Simplify the
asked by plz help 
math
how do you write 4/5, 5/12, 3/10 in its simpliest form?
asked by leanna 
math
pls,this is very urgent.can anyone solve this within 10 mins.. 0.000143 over 1940000 equals k*10powern,where 1 greaterthan equals to k greater10 and n are whole number.The value of k and n are......
asked by Muiz 
elementary
525 mL= LITERS
asked by gaby 
physics
a point charge of 3.00*10^6C is 12.o cm distance from a second charge of 1.50*10^6 c. Calculate the magnitude of the force on each charge?
asked by jayson 
HELP!
–6 – 7(c + 10) (1 point) 64 – 7c –76 – 7c 4 – 13c –16 – 13c plz help
asked by plz help 
math
A pattern for curtains calls for 2/3 of a yard of material. You want to shorten the curtains to2/3 of the height of the pattern. How much fabric is needed?
asked by Lisa 
Statistics
A committee will elect a president, a secretary, and a treasurer. If the committee consists of 35 members, how many possible outcomes for the three positions can occur? (Note that no member can be elected in two positions.)
asked by Therese 
Statistics
Eight sprinters from different universities are in the final match. In how many ways can the sprinters receive a gold, a silver, or a bronze medal?
asked by Therese 
Percent word problem
A pitcher holds 2 gallons of orange juice. The orange juice is made 20% concentrated juice and 80% water. How much water is used in the orange juice?
asked by Jacob 
SCIENCE
How does pencil benifit mankind and the enviroment?
asked by ZEELINGA 
SCIENCE
how does a pencil work?
asked by ZEELINGA 
science
what are some of the harmful and negetive effects of the pencils?
asked by ZEELINGA 
Statistics!
Many companies "grade on a bell curve" to compare the performance of their managers and professional workers. This forces the use of some low performance ratings so that not all workers are listed as "above average." Ford Motor Company’s "performance
asked by Allex 
anatomy
Ineed to get better organized for college and family. I am only taking 7 credit hours but i find my self staying up late to study. I'm taking anatomy and psysiology along with math 098. Please give me advice on creating a study schedule. Thank you
asked by #####rena 
Math
16. r over 4 – 1 = 4 (1 point) 1.3 0.8 12 20 Solve the inequality. 17. 12p < 96 (1 point) p < 8 p < 108 p < 84 p < –8
asked by Anonymous 
computers!!!
The location where a row and column meet is called a... Answer sold grid locale cell
asked by SL 
math
Alex has 1/2 pizza left in the fridge. At breakfast he ate 1/3 of it. What fraction of the original pizza does he have left?
asked by ALex