Ashely
Most popular questions and responses by Ashely
chemistry
Place these hydrocarbons in order of decreasing boiling point: paraffin : methane: octane: isooctane: ( also known as 2,2,4 trimethylpentane) octadecane:
asked on December 6, 2009 
Math
The planet Neptune has a radius of 15000 miles and rotates one revolution every 18 hours. What is the linear speed of a point on its equator, in miles per hours?
asked on September 28, 2014 
chemistry
How many grams of Iodine, I2 must be dissolved in725ml of carbon disulfide, CS2 (d=1.261 g/ml), to produce a 0.236m solution?
asked on June 28, 2010 
Calculus  Find volume of cylinder
There is a cylindrical tank lying horizontally on the ground, its diameter is 8 feet, and length is 25 feet, the depth of the water currently in the tank is 2 feet. (1 gallon=231 cubic inches) How many gallons of water are in the tank? How many gallons of
asked on May 15, 2007 
Chemistry!!!
the solubility of BaCO3(s) in water is 4.0X10^5 M. Calculate the value of Ksp for BaCO3 can someone please walk me through this?
asked on May 18, 2010 
arithmetic
find the 25th term of the arithmetic sequence 24, 19, 14, 9 ...
asked on July 10, 2011 
trig
find the exact value of cos 3.14/8
asked on December 9, 2010 
physics
a crate sits on the floor of a boxcar. the coefficient of fritcion between the crate and the florr is .600. what is the maximum speed that the boxcar can go around a curve of radius 200 m. without causing the crate to slide?
asked on February 3, 2012 
maths
xdyydx=sqrt(x^2y^2)dx
asked on February 11, 2012 
math
Richard is flying a kite. The kite string makes an angle of 57 degress with the ground. If Richard is standing 100 feet from the point on the ground direcly below the kite, find the length of the kite string.. Please help!!!
asked on April 18, 2011 
math
A car travels 136 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas?
asked on May 31, 2019 
maths
a box contains 20 fuses ,out of which ,5 are defective.if a sample of 3 fuses is chosen from the box at random without replacement,find the probability that x fuses in this sample will be defective
asked on February 11, 2012 
chemistry
For the reaction Cl2(g) 2Cl)g) Kp=2.45*10^7 at 1000K. What is delta G (degrees) for this reaction at 1000K?
asked on July 14, 2010 
Physics
You are holding the axle of a bicycle wheel with radius 35 cm and mass 1 kg. You get the wheel spinning at a rate of 55 rpm and then stop it by pressing the tire against the pavement. You notice that it takes 2.0 s for the wheel to come to a complete stop.
asked on November 6, 2014 
chemistry
The value of delata h for the reaction below is 186 kJ. Calculate the heat Kj released from the reaction of 25g of Cl2
asked on January 27, 2012 
physics
a spring is stretched 5*10^2m by a force of 5*10^4N.a mass of 0.001kg is placed on the lower end of the spring.after equilibrium has been reached, the upper end of the spring is moved up and down so that the external force acting on the mass is given by
asked on February 11, 2012 
physics
an ice skater spins about a vertical axis at an angular speed of 15 rad/s when her arms are outstreched . she then quickly pulls her arms into her sides in a very small time interval so that the frictional force due to ice are negligible.her initial moment
asked on February 11, 2012 
Math
In a shipment of 1000 light bulbs 1/40 of the bulbds were defective. What is the ratiio of defective bulbs to nondefective bulbs?
asked on April 18, 2011 
chemistry
Write an equation for the combustion of one mole of benzene, C6H6(l), and use data from Appendix D to determine delta G degrees (which is 124.5) at 298K if the products of the combustion are (a) CO2(g) and H2O(l), and (b)CO2(g) and H2O(g). Describe how you
asked on July 14, 2010 
Math
1.Isoscles obtuse triangle TRI with vertex angle T. 2.Rhombus RHOM with acute
asked on April 18, 2011 
maths
d^2y/dx^2+4dy/dx+4y=4cosx+3sinx
asked on February 11, 2012 
physics
a stretched string is observed to vibrate with frequency 30Hz in its fundamental mode when the supports are 60cm apart. the amplitude at the antinode is 3cm.the string has a mass of 30kg.calculate the speed of propagation of the wave and the tension
asked on February 11, 2012 
math
Richard is flying a kite. The kite string makes an angle of 57 degress with the ground. If Richard is standing 100 feet from the point on the ground direcly below the kite, find the length of the kite string.. Please help!!!
asked on April 18, 2011 
Math
A laffer leaning against a house maes an angle of 60 degress with the ground. The foot of the leadder is 7 feet from the foundation of the house. How long is the ladder? Please help.
asked on April 18, 2011 
Physics
A 1424kg railroad car traveling at a speed of 11 m/s strikes an identical car at rest. If the cars lock together as a result of the collision, what is their common speed (in m/s) afterward?
asked on October 31, 2014 
math
solve (4x^3y^3+1/x)dx+(3x^4y^21/y)dy=0
asked on February 11, 2012 
math
From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.
asked on April 18, 2011 
Math
To convert a temperature in degrees Celsius to degrees Fahrenheit multiply the Celsius temperature by 9/5 and then add 32 F Is a temperature in degrees Celsius proportional to its equivalent temperature in degrees Fahrenheit.
asked on October 23, 2012 
Math
From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.
asked on April 18, 2011 
math
From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.
asked on April 18, 2011 
math
An airplane rises vertically 1000 feet over a horizontal distance of 1 mile. What is the angle of elevation of the airplane's path? (hint: 1 mile = 5280 feet)
asked on April 18, 2011 
history
How did ranching become established in the West?
asked on November 15, 2010 
Physics
Determine the moment of inertia for three children weighing 64.0 lb, 44.0 lb and 83 lb sitting at different points on the edge of a rotating merrygoround, which has a radius of 12 ft.
asked on November 14, 2014 
maths
write down the equation d^2u/dt^2=c^2 grad^2u in a plane polar coordinates .by the method of separation of variables , reduce the PDE to obtained to a set of ODE's
asked on February 11, 2012 
physics
an object was launched with the velocity of 20 m/s at an angle 45 degree to the vertical . at the top of its trajectory the object broke into two equal pieces.one piece fell vertically downward .where would the other piece fall?(g=10m/s^2)
asked on February 11, 2012 
Math
All the seats in the theater are divided into 8 groups.There are 40 seats in each group.Write and solve a division equation to find how many seats there are in the theater.
asked on October 19, 2011 
math
A laffer leaning against a house maes an angle of 60 degress with the ground. The foot of the leadder is 7 feet from the foundation of the house. How long is the ladder? Please help.
asked on April 18, 2011 
Math
If one leg of a right triangle is 8 inches long, and the other leg is 12 inches long. How many inches long is the triangles hypotenuse?
asked on April 18, 2011 
Math
Dan ran six over five mile bob ran seven over eight mile how much father than Dan did bob ran?what was thier combined distance
asked on July 9, 2015 
Math
what is the term for a relation in which each input value corresponds to exactly one output value?
asked on December 16, 2014 
maths
r1 and r2 are unit vectors in the xy plane making angles a and b with the positive xaxis.by considering r1.r2 derive cos(ab)=cos(a)cos(b)+sin(a)sin(b)
asked on February 11, 2012 
Math
An airplane rises vertically 1000 feet over a horizontal distance of 1 mile. What is the angle of elevation of the airplane's path? (hint: 1 mile = 5280 feet)
asked on April 18, 2011 
math
An airplane rises vertically 1000 feet over a horizontal distance of 1 mile. What is the angle of elevation of the airplane's path? (hint: 1 mile = 5280 feet)
asked on April 18, 2011 
englsh
what is the most inportant symbol of freedom the slaves.( in a narrative life of fredrick douglass?
asked on November 19, 2010 
physics
a circuit consist of an inductance of 0.05H, a resistance of 20ohms , a capacitor of 100uF and an angle of 100cos200t. find (i) and (q) given that q=0,and i=0 at t=0.
asked on February 11, 2012 
Math
Richard is flying a kite. The kite string makes an angle of 57 degress with the ground. If Richard is standing 100 feet from the point on the ground direcly below the kite, find the length of the kite string.. Please help!
asked on April 18, 2011 
math
An airplane rises vertically 1000 feet over a horizontal distance of 1 mile. What is the angle of elevation of the airplane's path? (hint: 1 mile = 5280 feet)
asked on April 18, 2011 
MATH
In right triangle ABC below, what is the sine of
asked on April 18, 2011 
Physical science
alot of my questions deal with speed and height. what are the different types formula I can use to figure these things out
asked on February 2, 2011 
MACROECONOMICS TERM PAPER TOPIC
Any good TOPICS in my MACROECONOMICS PAPER???? This is a econ101 class, and I have learned those basic concepts in macroeconomics so far. Any suggestions will be helpful. Thanks. P.S.I have a little bit thought about comparing two online search companies,
asked on June 25, 2007 
Physics
What air temperature will feel four times as warm as 0 °F?
asked on December 7, 2014 
physics
find the solution of the wave equation for a vibrating string of length (l)=10units with ends fixed .it is given that c^2=1,initial velocity is zero and initial deflection is u(x,o)=k(sinxsin2x)
asked on February 11, 2012 
math
From the top of a lighthouse 210 feet high, the angle if depression to a boat is 27 degress. Find the distance from the boat to the food of the lighthouse. The lighthouse was built at sea level.
asked on April 18, 2011 
Math
A vendor has 14 hellium ballons for sale: 9 are yellow, 3 are red, and 2 are green. A ballon is selcted at random and sold. If the ballon sold is yellow, what is the probablity that the next ballon selected at random, is also yellow?
asked on April 18, 2011 
grade 1 math
wat iz 157?
asked on November 5, 2010 
MATH
1.Isoscles obtuse triangle TRI with vertex angle T. 2.Rhombus RHOM with acute
asked on April 18, 2011 
Math
The scale of two similar quadrilaterals is 1:3. The perimeter of the smaller quadrilateral is 90 centimeters. What is the perimeter of the larger quadrilateral?
asked on February 3, 2010 
Physics
When a 34mlong metal pipe is heated from 13 °C to 39 °C, it lengthens by 2.56 cm. Determine the linear expansion coefficient. I tried to start by taking the difference of temperature times the length of the pipe and finally divide 2.56 by the number i
asked on December 8, 2014 
Physics
A force, F = (6x̂ + 7y hat) N, is applied to an object at a point whose position vector with respect to the pivot point is r = (7x̂ + 7y hat + 7ẑ) m. Calculate the torque created by the force about that pivot point.
asked on November 14, 2014 
physics
a circular disc rotates on a thin air film with a period of 0.3s. its moment of inertia about its axis of rotation is 0.06kgm^2. a small mass is dropped onto th disc and rotates with it . the moment of inertia of the mass about the axis of rotation is
asked on February 11, 2012 
physics
the person p walks at 4m.s west relative to the boat b as the boat is moving at 30 east relative to the land l.what is the reference frame of an observer standing on the land?
asked on January 24, 2012 
math
In triangle ABC if
asked on April 18, 2011 
history
what did the native american children gain and lost from assimilation policy.(from the indian reeducation movement)?
asked on November 17, 2010 
history
what was the role of sioux nad cheyenne in the battle of little bighorn?
asked on November 12, 2010 
9th grade
Analogies Anemia is to blood AS concussion is to _________
asked on February 26, 2009 
6th grade
i don't get this stuff that my teacher
asked on September 16, 2008 
biology
i need help!!
asked on October 16, 2007 
math
what type of polynomial is 5x^y? its binomial right?
asked on July 18, 2013 
chemistry
Why does the compressed gas leaving the propane tank cause the temperature to drop around the valve?
asked on January 26, 2013 
physics
a mass of 60kg slides on a table. the frictional force is 60 times the velocity and the mass is being pushed with a force of 54sin2tN.find the velocity as a function of time if (v)=0 at (t)=0
asked on February 11, 2012 
MATH
In right triangle ABC below, what is the sine of
asked on April 18, 2011 
math
each expression has four 4s and equals 1. 4+4/44 (4+4) / (4+4) 44/44 a. Evalute the xpressions to show that they all have a value of 1. b. Make new expressions that equal each whole number from 2 to 10 for example, 4/4+4/4=2 you may combine digits. you
asked on September 22, 2009 
Biomedical Ethics
Can there be individuals who deserve moral consideration even though they have no moral responsibilities? This question is confusing to me for some reason.
asked on January 31, 2013 
math
Solve the equation: 1/x+3/x^2=1
asked on May 5, 2012

chemistry
whats the answer
posted on October 29, 2018 
AP history
Ehhejdbsb
posted on April 9, 2018 
Science
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posted on February 26, 2018 
Science
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posted on February 26, 2018 
math 2
the integer numbers is a rational number but the whole number cannot be a integer number.
posted on September 26, 2017 
geometry
In the diagram below,BC is an altitude of ABD. What is the length of CD?
posted on June 27, 2017 
Math6/7
kate made 180 ounces of punch for a party she serves the punch in 8 ounces cups how many full cups can she serve?
posted on January 3, 2016 
Math
Thanks!
posted on December 16, 2014 
Chemistry
3.85 ! 10"3 dm
posted on October 20, 2012 
World geography
_______ is one of the first Latin American countries to have a separate ministry of tourism with dedicated funds within its federal governmental structure
posted on March 27, 2012 
Physics
A Satellite that is 4175 miles from the center of the earth,obits with a period of 90 minutes. what is its centripetal acceleration?
posted on June 21, 2011 
11th grade
What do you think of these unruly pirates?
posted on May 27, 2011 
MATH
this triangle has 7 cenimeteres and 24 cenimeters.
posted on April 18, 2011 
Math
because i have to sketch, label and mark each figure. to every problem
posted on April 18, 2011 
Physical science
what properties describe the second law of motion
posted on February 2, 2011 
7th grade math
what queshton
posted on January 6, 2010 
Social Studies Question
what made life in Colony of New netherland harder then life in Holand?????????????????????
posted on November 20, 2008 
biology
i really, really need help!
posted on October 16, 2007