Wednesday
October 1, 2014

Posts by Chris


Total # Posts: 2,204

budgeting
Whats the answer please.
October 3, 2011

physical geology
Select a city or region that is faced with one of the following issues: o Saltwater invasion in coastal wells o Depletion of an aquifer for drinking or agricultural water o Subsidence associated with water pumping o Depletion or pollution of surface water from human use o ...
October 2, 2011

MATH-
A ROCK IS DROPPED INTO A DRY WELL. THE TOTAL TIME TO REACH THE BOTTOM NAD FOR THE SOUND TO TRAVEL BACK TO THE TOP IS 6.7 S. WHAT IS THE DEPTH OF THE WELL TO THE NEAREST FOOT.
September 29, 2011

physics
Two cars are initially moving at constant speeds of 50 m/s (first car) and 30 m/s (second car) along a straight track with the first car being behind. At a certain point (e.g. point A) on the track the first car overtakes the other one. At this very moment of time the first ...
September 29, 2011

Physics
Two students are on a balcony 24.9 m above the street. One student throws a ball, b1, vertically downward at 19.6 m/s. At the same instant, the other student throws a ball, b2, vertically upward at the same speed. The second ball just misses the balcony on the way down. (a) ...
September 29, 2011

earth
Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 11 Earth radii from Earth's center?
September 29, 2011

ivcc
What is the magnitude of the apparent weight of a 76 astronaut 3200 from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.6 ?
September 28, 2011

Chemistry
How many moles of Io3 are present in a 100mL solution containing 1.390g of KIO3
September 28, 2011

Science
How many moles of Io3 are present in a 100mL solution containing 1.390g of KIO3
September 28, 2011

chemistry
What is the mass of 1.2 grams of oxygen if it occupies a volume of 500 cubic centimeters at s.t.p?
September 27, 2011

algebra
Explain how to find the sum using game chips, then give the answer 8+-10
September 26, 2011

sociality
what are the dimentions of cultural diversity?
September 25, 2011

science
Pure gold has a density of 19.32 g/cm3. How large would a piece of gold be if it had a mass of 483 g?
September 21, 2011

algebra
= 25/12 x (-7) = -175/12 = -14.583333
September 21, 2011

physics
a uniform ladder 16 m long weighing 80 N leans against a smooth vertical wall, making 30 degree with the wall. Find the thrust of the wall, and the force of the point on the ground.
September 21, 2011

statistics
The scores on the final exam in a course have approximately a bell-shaped distribution. The mean score was 72, the highest score was 99, and the lowest score was 41. Use the value of the range (58) to estimate the value of the standard deviation. (Round your answer to the ...
September 21, 2011

geometry
there for B and C is 18
September 21, 2011

geometry
i think you have your nummbers mixed up for its not posible to have A and C shorter then A and B since A and B are part of the line
September 21, 2011

physics
1. A ball rolling on a platform at 4 m/s rolls off of the platform at 4 m/s and hits the ground 8 m from the base of the platform. a. How long does it take the ball to hit the ground? b. How high is the platform?
September 21, 2011

physics
a car traveling 7.0 m/s accelerates uniformly at 2.5 m/s squared to reach a speed of 12 m/s. how long does it take for the acceleration to occur?
September 20, 2011

finance
You borrow $185,000 to buy a house. The mortgage rate is 6.5 percent and the loan period is 32 years. Payments are made monthly. If you pay the mortgage according to the loan agreement, how much total interest will you pay?
September 20, 2011

MATH
Triangle T has vertices A(-9, 10)B(1,0)and C(5,4). Points A, B, and P(also on th xy plane) form a triangle that is congruent to triangle T. Find all the possible coordinates for P.
September 15, 2011

Ottawa University
Triangle T has vertices A(-9, 10)B(1,0)and C(5,4). Points A, B, and P(also on th xy plane) form a triangle that is congruent to triangle T. Find all the possible coordinates for P.
September 15, 2011

Physics for Engineers
For c.) Set the y component to 5.2m 5.2= 18.13sin53(t)-4.9(t)^2 solve the quadratic for t and plug into d=18.13cos53(t) This will give you the horizontal distance until the ball lands on the roof.
September 14, 2011

Physics for Engineers
For b.) You got the y component correct however you multiplied it by sin53 a second time. The correct equation should be y=18.13sin53(2.2)-4.9(4.8) or with the y component solved for already, y=14.48(2.2)-4.9(4.8) The ball is at height= 8.336m It clears the wall by 8.336-6.7=1...
September 14, 2011

brain teaser
Bono (1) walks over with Edge (2), 2 minutes, Bono walks back, 1 minute (3 total), Larry (10) and Adam (5), walk across, 10 minutes (13 total), Edge Walks Back, 2 minutes (15 total), Edge and Bono walk back, 2 minutes (17 total)
September 14, 2011

science
How do you calculate the gravity of an object? equation needed h=1/2 gt^2 Solve the equation for g; g=2h/t^2 Set height is 2 foot, dropped small object from 2ft, timed at 0.3 seconds. Calculate the gravity of the object. Is this right? 2=1/2*9.8 t^2 t^2=2*2/9.8=0.40 t=0.40^ ...
September 12, 2011

science
Simpson drives his car with an average velocity of 48.0 km/h to the east. How long will it take him to drive 144 km on a straight highway?
September 11, 2011

science
It take you 9.5 min to walk with an average velocity of 1.2 m/s to the north from the bus stop to the museum entrance. What is your displacewment?
September 11, 2011

scientist
Which of the following BEST describes the theory of natural selection?
September 11, 2011

Math
How many two block towers can you make from: 1 black block,1 red block, and 1 blue block? Please explain.
September 8, 2011

Math
I have a shirt, a skirt, a blouse and a pant. How many different outfits can I make?
September 8, 2011

math
a(1,7),b(-3,1) coordinates of missing endpoint if b is the midpoint of ac
September 8, 2011

5th grade math
.4 equals how many hundreths? .07 equals how may thousandths? Do you just multiply the .4 by 100 and do you just multiply the .07 by 1000?
September 7, 2011

Science
Two tugboats are towing a ship. Each exerts a horizontal force of 5 tons and the angle between their towropes is 90°. What net force is exerted on the ship?
September 3, 2011

Physics
A child bounces a 55 g superball on the side- walk. The velocity change of the superball is from 22 m/s downward to 14 m/s upward. If the contact time with the sidewalk is 1 800 s, what is the magnitude of the average force exerted on the superball by the sidewalk? Answer in ...
August 30, 2011

statistics
You have been approached by the editor of gentlemen's magazine to carry ot a research study. The magazine has been unsuccessful in atracting shoe manufacturers as advertisers. When the sales force tried to secure advertising from shoe manufacurers, they were told men's...
August 26, 2011

physics
7
August 23, 2011

trig
A ferris wheel with a diameter of 100 feet rotates at a constant rate of 4 revolutions per minute. Let the center of the ferris wheel be at the origin. 1. Each of the ferris wheel's cars travels around a cirlce. a) Write an equation of the circle where x and y are measured...
August 20, 2011

Algebra
T=6+20/n+2. Solve please
August 11, 2011

math
given the function f(x)= x+2, find each of the following f(7), f(-6), f(0)
August 8, 2011

Math
Please factor X^2+3x+2
August 4, 2011

Math
How do I solve X^2+3x+2
August 4, 2011

Math
X^2+3x+2
August 4, 2011

Algebra
Maria bicycles 5 km/h faster than Robert. In the same time it takes Robert to bicycle 60 km, Maria can bicycle 75km. How fast does each bicyclist travel?
August 4, 2011

math
none of ur business
August 2, 2011

math 209
The perimeter of a rectangle is 44ft the length is 4ft longer than the width. Find the demensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width.
July 17, 2011

218
I have a question for Mrs. Sue. When you used quotations around University when describing Ashford were you trying to suggest something? I am about to finish my accounting degree there and have often wondered if I will fin discrimination because of the stigma that is ...
July 15, 2011

math
what is a proof of the pythagoarean theorem?
July 14, 2011

Geometry
What is Two capital letters printed in sequence
July 6, 2011

Geometry
M and N are the midpoints of PR(which has a line over PR) and QR(which has a line over QR)respectively. Using graph paper, repeat this process from the last problem using different coordinates for P, Q, and R. How do these lengths MN and PQ compare now? What do you think you ...
July 6, 2011

Geometry
M and N are the midpoints ofandrespectively. Using graph paper, repeat this process from the last problem using different coordinates for P, Q, and R. How do these lengths MN and PQ compare now? What do you think you can conclude about the lengths of these segments? (In your ...
July 6, 2011

Geometry
Use the diagram below for the following question. P(2,1), Q(11,1), and R(8,7) M and N are the midpoints of PR (which has a line over PR)and QR (which has a line over QR) respectively. Find MN and PQ. How do these lengths compare with each other
July 6, 2011

Geometry
Use the diagram below for the following question. P(2,1), Q(11,1), and R(8,7) M and N are the midpoints ofandrespectively. Find MN and PQ. How do these lengths compare with each other?.
July 6, 2011

Chem
What is the wavelenght of a radio station operating at a frequency of 99.6 MHz?
July 3, 2011

Chem
A certain shell is known to have a total of 16 orbitals, which shell is it?
July 3, 2011

Chem
What is the speed of an argon atom that has a de Broglie wavelength of 5.2 pm?
July 3, 2011

math
Find the number of round trip commuter rail tickets sold. 1.Thirty times as many round trip tickets as 12 ride tickets were sold. 2.The total number of tickets sold represented 1440 rides Example of chart below Rides per ticket x Number of tickets sold = Total rides 12 ride ...
June 30, 2011

algebra
the length of a rectangle is twice its width w. A second triangle, which is 8cm longer and 3 cm narrower than the first triangle, has a perimeter 154 cm. What is the dimension of each triangle.
June 30, 2011

algebra
a boat weighs 1500 lbs more than its motor and 1900 lbs more than its trailer. Together the boat and motor weigh five times as much as the trailer. How much does the boat weigh? Please explain or show how to set up the equation.
June 30, 2011

algebra
the greater of two consecutive integers is 20 more than twice the smaller. what are the integers
June 30, 2011

Chem
What is the mole fraction of H2 in a mixture with the total pressure of 800 torr when the partial pressure of H2 is 90 torr?
June 29, 2011

Chem
In an experiment, 7.5 mol of a gas are held in a 3.5 L container at 39 c. What pressure does the gas exert if it is assumed to be ideal?
June 29, 2011

Chem
In an experiment, 25.0 ml of a gas with a pressure of 1. atm is contained in a balloon at 25.0 c. The Balloon is then cooled to 5.0 c, and the pressure is found to be .750 atm. What is the volume of the gas under the new conditions?
June 29, 2011

Chem
What is the volume of a gas that exerts a pressure of 457 mm Hg, if it excerted a pressure of 250 atm when its volume was 25.0 ml.
June 29, 2011

Chem
A Baloon is filled with 3.00 L of helium at a pressure of 765 Torr. What is the volume of the baloon at an altitude where the atmospheric pressure is 530 torr?
June 29, 2011

statistics
Classify the variable as nominal, ordinal, discrete, or continuous, and explain: Customer’s driver’s license number
June 28, 2011

chemistry
How many grams of HCl must be added to make 1 liter of a 2.0 M HCl solution
June 23, 2011

College Physics
100 grams of molten lead (600oC) is used to make musket balls. If the lead shot is allowed to cool to room temperature (21oC), what is the change in entropy (in J/K) of the lead? (For the specific heat of molten and solid lead use 1.29 J/g oC; the latent heat of fusion and the...
June 12, 2011

Calculus ll
find the second order derivative, rxy(x,y) for r(x,y)=xy/8x+5y
June 9, 2011

Algebra
Find the equation of the line given pair of points. (2,5) and (6,6) Y=?
June 8, 2011

ANT 101
A, A,b,b,d
June 8, 2011

Calculus ll
Find the partial derivative of the function with respect to each of the independent variables.f(x,y)=xe^2y
June 7, 2011

businesscommunication
Main idea(s), background information, negative elements, benefits, goodwill ending
June 4, 2011

Math
(5y-4) squared simplified the answer is not 25ysquared+16
May 26, 2011

algebra
(5y-4) squared simplified
May 26, 2011

algebra
Two angles are complemtary. The large angle is 1 less than 6 times the smaller angle. which system could be used to determine the larger angle X and the smaller angle Y?
May 26, 2011

finance
Refer to Figure 7-1 of Personal Finance. Why is it important to go through these steps when you are planning on making a large purchase? Provide at least one example to support your response.
May 25, 2011

Physical Science 2nd Semester
A student lifts a backpack with a force of 50 Newtons. She lifts the backpack 2 meters off the floor. Calculate the work that she has done.
May 24, 2011

Science
What does Hubble's law tell us?
May 22, 2011

chemistry
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water? increasing temperature increasing pressure decreasing surface area decreasing temperature
May 15, 2011

chemistry
Which of the following changes will decrease the total amount of gaseous solute able to be dissolved in a liter of liquid water?
May 15, 2011

Grammar-Capitalization
According to this resource: web hyper text transport protocol etc. taftcollege.edu/newTC/Academic/LiberalArts/owl/CAPITALSdotHTML one does not capitalize seasons. See number 5 on that list.
May 12, 2011

Science
Electrons move at a speed of 4.4 104 m/s through a 6.0 10-2 T magnetic field which is perpendicular to their motion. Calculate the radius of the electrons' circular path.
May 11, 2011

geometry
If Úc ≅ Úd, mÚc = 5x - 7, and mÚd = 3x + 25, how many degrees are in Úc? 9‹ 16‹ 52‹ 73‹
May 11, 2011

Physics
100,000J of heat is added to a 2.0KG of ice at -8degrees C. How much ice melts?
May 10, 2011

Chemistry
What is the pH, pOH [OH-] and [H+] for 0.000535 M hydrosulfuric acid?
May 8, 2011

Chemistry
What is the molarity and normality of 100.3 grams of calcium hydroxide dissolved in 775 ml of water?
May 8, 2011

basic grant writing
what are the differences between competitive and noncompetitive grants?
May 5, 2011

College Algebra Application
Newton's Law of Cooling T(t)=T0+(T1-T0)e^-kt The police discover the body of a murder victim. Critical to solving the crime is determining when the murder was committed. The coroner arrives at the murder scene at 12:00pm. She immediately takes the temperature of the body ...
May 5, 2011

College Algebra
Thanks for the help.
May 5, 2011

College Algebra
Solve using Elimination or Substitution: 4x^2+9y^2=36 x+3y=3
May 5, 2011

social studies
i need to write a summary and the home front is a event in world war 2
May 3, 2011

social studies
i need an summary on The Home Front
May 3, 2011

MATH
peter bought a computer that cost 1,500. The computer is on sale for 15% off. Peter paid 7% sales tax on the sale price of the computer. How much did peter pay? My answer would be 1,604.25 can you explain how to do the problem if it is wrong
May 3, 2011

algebra
What is the Pythagorean theorem? How is it used?
May 3, 2011

ELA (QUICK QUESTION)
what are some reading skills
May 2, 2011

geography
how do you think the existance of nearly 3000 ethnic groups and 800 languages affects life in countries south of the sahara
May 2, 2011

College Algebra
Solve the exponential equation algebraically: 2^x+1=5^2x
April 28, 2011

chem
Thanks a lot! =) Very helpful.
April 27, 2011

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