Thursday
September 29, 2016

Posts by ANONYMOUS

Total # Posts: 100,231

Maths
A cliff on the bank of a river is 250m high if the angle of depression of the point of the opposite side of the river is 50 degree,find the width of the river
June 19, 2016

chemestry
1. Determine the pH of a solution containing 1.00 mol/L of HCN (Ka = 5.00×10–10) and 5.00×10–2 mol/L of HCl.
June 19, 2016

Math
For the function f(x)=sinx, show with the formula sin^2A=1/2(1-cos2A) that f(x+y)-f(x)=cosxsiny-2sinxsin^2(1/2y)
June 19, 2016

Marketing
1. What forces in the marketing environment represent possible opportunities for Danone's Activia brand? What forces represent potential threats to the Activia brand? 2. How might a customer assess the value of activia yogurt? Be as specific as possible in your answer.
June 19, 2016

physics
the length of an aluminium bar of length 80cm increases by 1mm on heating.what is the final temperature of the bar if it was initially at temperature 20 degree celsius?(given:coefficient of linear expansion of aluminium=25×10^-6
June 19, 2016

chemestry
Please could anyone help me to give me solution of this problem: Calculate the pH of a solution obtained by mixing 50 mL of NH3 0.1 M (Kb = 1.8•10–5 mol/L) and 25 mL of HCl 0.2 M
June 19, 2016

physic mechanic
that means dv/dt = F/m - (b/m)v or (b/m) v + dv/dt = F/m let v = c (1-e^-kt) then dv/dt = cke^-kt and (b/m)c -(b/m)ce^-kt +cke^-kt = F/m when t --> oo, F = bc so c = F/b when t = 0, c k = F/m so Fk/b =F/m so k = b/m now v = (F/b)( 1-e^-(bt/m) ) a = dv/dt = (F/b)(b/m)e^-(bt/...
June 19, 2016

physic mechanic
F - bv = m a a = (F-bv)/m
June 19, 2016

chemestry
calculate the concentration of acetic acid in a 0.85 m sodium acetate solution,when ph=7,knowing that for the acetic acid,ka= 1.76 x 10-6.
June 19, 2016

English
Choose the correct form of the possessive for the underlined word in the following sentence: “A YEARS worth of hard work has finally paid off.” ( "years" is underlined) should it be: year years years' year's
June 18, 2016

history
The idea of the Mandate of Heaven was: A. introduced in the Bhaghavadgita. B. borrowed from Tibetan nomads in the fifth century B.C.E. C. introduced by the Zhou dynasty and it served to legitimize its power. D. contained in the Rites of Mao.
June 18, 2016

geometry
find the shaded area. round to the nearest tenth if necessary 15cm 21cm 12cm 27cm
June 18, 2016

geometry
find the shaded area. round to the nearest tenth if necessary 15cm 21cm 12cm 27cm
June 18, 2016

science
a particle is projected vertically upward from ground with velocity 10 m/s. Find which time particle reaches highest point?
June 18, 2016

math
Write the digit in the ten thousands place
June 18, 2016

Math
Janet bought 7 paperweights and altogether it weighed 1.4 so how much do one weigh
June 18, 2016

Mathematics construction
Construct triangle xyz such that x=z=45degree and xz=8cm
June 18, 2016

Science physics
Ddps
June 18, 2016

Physics
A period pulse travel a distance at 20m in 1•00sec,if it's frequency is 2•0×10.calculate the wave length
June 18, 2016

Science
ddps kaun se section m
June 18, 2016

physical science
An 85.0 kg man playing hockey catches a puck moving at 25.0 m/s. The man is initially at rest. The man and the puck move together after the collision. The puck's mass is 0.16 kg. What is the final velocity? A. 4.00 m/s B. 1.00 m/s C. 13.6 m/s D. 0.05 m/s
June 17, 2016

physical science
0.05
June 17, 2016

science
one ballon is in the freezer and other is at room temprature wht is the size of baloon in freezer
June 17, 2016

Math
12
June 17, 2016

statistics
. What is inferred by the 95% confidence interval of the mean?
June 17, 2016

math models
A force of 19 newtons is applied on a cart of 2 kilograms, and it experiences a frictional force of 1.7 newtons. What is the acceleration of the cart
June 17, 2016

Scienca
A bullet leaves a rifle with a muzzle velocity of 521 m/s .while accelerating through the barrel of the rifle , the bullet moves a distance of 0.840m.determine the acceleration if the bullet. (Assume a uniform acceletlration).
June 17, 2016

physics
plz solved kre
June 17, 2016

Calculus (check?)
I got 7/5
June 17, 2016

Calculus
lim x-->0 ((7-3x^5+x^2sinx)/(5cosx))
June 17, 2016

calculus (check please?)
i have a=-2 and b=1
June 17, 2016

calculus
find the constants a and b so the function is continuous on a real line piecewise function: f(x)={5, if x<= -2; ax+b, if -2<x<3; -5, if x>=3 I know the limit x-->2- is 5 and limit x-->3+ is -5. I dont know how to find the constants
June 17, 2016

math
The schematic of a rectangular patio is drawn 1/8 inch to a 1 foot. If the patio is 15 feet long, what is the measure of the patio's length on the schematic?
June 17, 2016

chemistry
what is the mole of a solution that has 6 mole of Ca-Cl 2 in 3 kg of water?
June 16, 2016

geometry
The ratio of similarity of BOY to GRL is 1:2. If BOY x 3 and GR 3 x 1, then the length of GR is
June 16, 2016

math
One pump fills a tank two times as fast as another pump. If the pumps work together they fill the tank in 18 minutes. How long does it take each pump working alone to fill the tank? mat
June 16, 2016

physics
Find the total heat capacity of a 2.0 mol diamtomic ideal gas at constant pressure if the molecules can rotate and vibrate.
June 16, 2016

Physics
One method of estimating the temperature at the center of the sun is based on the Ideal Gas Law. Assume the center consists of gases whose average M = 0.70 kg/kmol, density= 91000 kg/m3 and pressure = 1.39 x1011 atm. Calculate the temperature (in kelvins) at the center of the ...
June 16, 2016

physics
A one mole sample of an ideal monatomic gas at 400 K undergoes an isovolumetric process acquring 550 J of energy by heat. Next it undergoes an isobaric process during which is loses the same amount of energy by heat. Find the work done on the gas. Assume three degrees of freedom.
June 16, 2016

physics
As an environmentally friendly idea, some have proposed using the temperature gradient of the ocean to generate electricity. This system would use the temperature gradient between the surface of the ocean (at about 200 C) and the water temperature at a depth of about 1 km (at ...
June 16, 2016

Physics
A multicylinder gasoline engine in an airplane, operating at 2500 rev/min, takes in 7800 J of energy and exhausts 4600 J for each revolution of its crankshaft. What is the mechanical power output of the engine in kilowatts.
June 16, 2016

Physics
200 degrees Celcius
June 16, 2016

Physics
On a beautiful baseball day with air temperature of 200 C, a pitcher throws a 0.142 kg baseball at 49 m/s towards home plate. As it travels 19.4 m, the ball slows down to a speed of 36 m/s because of air resistance. Calculate the change in the temperature of the air through ...
June 16, 2016

Physics
On a beautiful baseball day with air temperature of 200 C, a pitcher throws a 0.142 kg baseball at 51 m/s towards home plate. As it travels 19.4 m, the ball slows down to a speed of 36 m/s because of air resistance. Calculate the change in the temperature of the air through ...
June 16, 2016

Physics
A 20% efficient real engine is used to speed up a train from rest to 7.0 m/s. An ideal (Carnot) engine using the same cold and hot reservoir would accelerate the same train from rest to a speed of 8.0 m/s using the same amount of fuel. The cold reservoir is at 290 K. Find the ...
June 16, 2016

Physics
As an environmentally friendly idea, some have proposed using the temperature gradient of the ocean to generate electricity. This system would use the temperature gradient between the surface of the ocean (at about 200 C) and the water temperature at a depth of about 1 km (at ...
June 16, 2016

geometry
thank you !
June 16, 2016

geometry
A fish tank in the shape of a rectangular prism has dimensions of 14 inches, 16 inches, and 10 inches. The tank contains 1680 cubic inches of water. What percent of the fish tank is empty?
June 16, 2016

math
George saves 18% of his total gross weekly earnings from his 2 part-time jobs. He earns $6.25 per hour from one part-time job and $7.50 per hour from the other part-time job. George works a total of 40 hours between the two jobs each week. What additional information is needed...
June 16, 2016

Chemistry
How many ml of 8.00 M Na OH is required to neutralize 200 ml of 4.00 M HCl?
June 16, 2016

Trigonometry
A TREE STANDS ON HORIZONTAL GROUND. THE ANGLE OF ELEVATION OF THE TOP OF THE TREE FROM A POINT 50 m AWAY FROM THE BASE OF THE TREE IS 11.3°. CALCULATE THE HEIGHT OF THE TREE.
June 16, 2016

Trigonometry
AN AIRPLANE IS FLYING AT A HEIGHT OF 1000 m. THE ANGLE OF DEPRESSION OF AIRPORT A FROM THE PLANE IS 15°. CALCULATE THE HORIZONTAL DISTANCE BETWEEN THE AIRPLANE AND THE AIRPORT.
June 16, 2016

Trigonometry
A HOT AIR BALLOON IS 70 m ABOVE THE SEA. TWO BUOYS A AND B ARE DUE EAST OF THE BALLOON. THE ANGLE OF DEPRESSION FROM THE BALLOON TO BUOY A IS 60°. THE ANGLE OF DEPRESSION FROM THE BALLOON TO THE BUOY B IS 40°. CALCULATE DISTANCE AB.
June 16, 2016

medical transcription
she had moderately-severe pain in her shoulder is it properly punctuated t/f
June 16, 2016

Maths
r=3 use pythagoras to work out slant height (s) if h=8, ==> √(3^2+8^2)=s pretty much plug in these values into the formula for a,c,d. Curved surface area is pi*r*s, don't count the base.
June 16, 2016

science
A skier with a mass of 60.0 kg starts from rest and skis down an icy (frictionless) slope that has a length of 53.0 m at an angle of 25.4° with respect to the horizontal. At the bottom of the slope, the path levels out and becomes horizontal, the snow becomes less icy, ...
June 15, 2016

Math
The formula A=l*w is in this formula ⏹=🔼*⏺ What other formulas in this form can you think of?
June 15, 2016

Physics
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 9.00 cm long and 3.00 mm in diameter is compressed an average of 65.0 µm by a 0.490 kg hammer during a 1.20 ms collision. a) What is the average force exerted by the hammer on the ...
June 15, 2016

Math
339
June 15, 2016

Math
A rectangular prism has a base of 42 square inches. If the volume of the prism is 210 cubic inches, which could be dimensions of this prism
June 15, 2016

science
When you return to your house from school, what is your displacement
June 15, 2016

science
3×10^18 photons of a certain light radiation are found to produce 1.5 j of energy. calculate the wavelength of light radiation
June 14, 2016

Physcis
Consider the figure below where a cylinder of an ideal gas is closed by an 16 kg movable piston of area = 60 cm2. When the gas is heated from 30 0C to 100 0C the piston rises by 20 cm. The piston is then fastened in place and the gas is cooled back to its original temperature ...
June 14, 2016

health care
Meaningful use is using certified EHR technology to accomplish the following with one exception, Identify the exception from the following. Improve quality, safety, efficiency, and reduce disparities. Engage patients and their families in their health care. Improve population ...
June 14, 2016

Physics
Is the magnitude the same as the net charge for a?
June 14, 2016

Physics
The figure shows a cube whose sides are all 5cm long. Over the entire left-hand side of the cube is a uniform electric field E1=7500 N/C which is entering the cube at 20 degrees below the x axis. Over the right-handed side is a uniform electric field E2=4500 N/C which is ...
June 14, 2016

Math
just kidding
June 14, 2016

Math
You are dead
June 14, 2016

Math
AoPS? Ha.
June 14, 2016

Physics
Negative charge is distributed uniformly around three-quarters of a circle of radius, a, with the center of curvature at the origin. a) Use integration to find an algebraic expression for the x and y components of the net electric field at the origin in terms of the linear ...
June 14, 2016

Algebra 1
What is the coefficient of x in the quotient when x^3+4x^2-3x+8 is divided by x+2?
June 14, 2016

math
The sum of three consecutive odd numbers is 2583. What are the numbers?
June 14, 2016

SCIENCE
WHAT IS THE WORK OF MITOCHONDRIA
June 14, 2016

physics
A mass m 1 of 100 kg travelling with a uniform velocity of 5 m/s along a line collides with a stationary mass m 2 of 1000 kg. After the collision, both the masses travel together with the same velocity. The coefficient of restitution is:
June 14, 2016

Math
If your allowance was doubled everyday, how many days would it take for you to have over $1000(also tell how much you would have for that day added up?) How many days would it take for you to have over $10,000? (and how much for that day?)
June 13, 2016

math
If there are 150 people born in the world every minute; how many people are born every hour? Day?
June 13, 2016

HEALTH CARE
You have just assumed a position as HIM Director of a large HIM department in a different state, and you are faced with an overflowing paper file unit in the hospital. You need to determine how long various health records must be maintained. As part of your research, you would...
June 13, 2016

HEALTH CARE
Im going with facility baord
June 13, 2016

HEALTH CARE
When a record destruction program is considered by a healthcare facility, all the following are usually consulted EXCEPT The patient or legal representation. Facility board of directors. Facility attorney. Malpractice liability insurance carrier. HELP?
June 13, 2016

Health data
One advantage to storing health records is to contract with a commercial storage company for both storage, retrieval, and filing. True False False?
June 13, 2016

math
1/2 (2x+3y )+12/7 (3x -2y )=1/2 :7/(2x +3y )+4/(3x -2y )=2
June 13, 2016

algebra
write the equation in point slope form: (2,5) , m= -3/4
June 13, 2016

algebra
write the equation in point slope form: (2,5) , m= -3/4
June 13, 2016

chemistry
how is copper 2 sulphate formed from copper oxide and sulpheric acid and why is it formed?
June 13, 2016

chemistry
why is lead 2 iodide produced from the reaction of lead 2 nitrate and potassium iodide?
June 13, 2016

Health
all answers listed are correct
June 13, 2016

Health
Which of the following activities is supported by patient data? Evaluation of care Clinical education Financial viability All of the above
June 13, 2016

Health
it gives a list of 3 out of the 4 thats why It was hard to demonstrate
June 13, 2016

Health
Approach to data quality monitoring methods and solutions should consider: type of health facility data requirements level of technology available type of health care providers who are the major sources of documentation All answers provided are correct DATA REQUIREMENTS? ...
June 13, 2016

Health Care
The purpose of Minimum Data Sets (MDS) is to promote comparability and compatibility of data by using standard data items with uniform definitions, and these exist for: Ambulatory care (outpatient) Acute care Long-Term care Home care All answers provided are correct I believe ...
June 13, 2016

English
what is the answer?
June 13, 2016

physics
Sonia walks due east with a speed of two m/s. Bryan walks north with a speed of two m/s. Which statement best describes the relationship between their velocities? A. Their velocities are different because their speeds are not the same. B. Their velocities are the same because ...
June 13, 2016

Calc
lim x-->0+ (sqrt((1/x)+2)-sqrt(1/x))
June 13, 2016

science
A gas in a sealed container has a pressure of 50 kPa at 27°C. What will the pressure of the gas be if the temperature rises to 87°C?
June 13, 2016

Physics
7.0 kilograms of ice at 0 0C and are melted to water at 0 0C. Find the increase in internal energy of the ice as it is melted to water at 0 0C. Use 3.33x 105 J for Lf of ice. Express your answers in calories.
June 13, 2016

Math
The ratio of girls to boys is 7:8. the class has 30 students total. How many boys are there???!!! How do I do this ????!!!
June 12, 2016

Calculus
lim x--> 2+ (tan(pi/x))
June 12, 2016

chrmistry
calculate the molar concentration of 1ppm solution of NaCl?
June 12, 2016

chemistry
calcuate the normality of 0.2M solution of h3p04 ?
June 12, 2016

math 9
The number of boys is 3 more than double the girls. Together, there are 54 students in total. How many boys and girls are there?
June 12, 2016

  1. Pages:
  2. <<Prev
  3. 5
  4. 6
  5. 7
  6. 8
  7. 9
  8. 10
  9. 11
  10. 12
  11. 13
  12. 14
  13. 15
  14. 16
  15. 17
  16. 18
  17. 19
  18. Next>>