Tuesday
October 21, 2014

Posts by seth


Total # Posts: 156

intermediate math
angie and payton jog of opposite each other and angie can jog 4.5 mile faster than payton. after 1.5 hours they are 17 miles apart. how much can each person jog
September 29, 2014

chemistry
When you put it in Lon-Capa do not capitalize the first letter.
May 10, 2014

Algebra
f(t) 30000 1+20e^-1.5(t)
April 12, 2014

Algebra
F(t)= 30000/1+20e^-1.5t Describes the number of people, f(t), who have become ill with influenza t weeks after the initial outbreak in a town with 30,000 inhabitants. a.) How many people became ill with flu when the epidemic began? b.) How many people were ill by the end of ...
April 12, 2014

Algebra
Medical research indicates that the risk of having a car accident increases exponentially as the concentration of alcohol in the blood increases. The risk is modeled by R=6e^12.77x Where x is the blood alcohol concentration and R, given as a percent, is the risk of having a ...
April 12, 2014

algebra
Solve the following: 3ln(4x)=17
April 11, 2014

algebra
solve: log base of 7 (3x+2)=5
April 11, 2014

Math
How does 26.666 equal 26.2? Could you show me a model of how to do this? Thank You
April 8, 2014

Math
A shark swam 30 meters to a boat in 16 seconds. How long did it take to swim each meter? 16/30 or 8/15 seconds?
January 14, 2014

Math
Can you show me the formula used for the following question - how can 7 kids share 3 liters of soda equally?
January 14, 2014

algebra
I need help solving 8 = 3x + 6y for y. Thank you!
November 18, 2013

algebra
How do I find the perimeter of a square with one side listed as 4x + 3 and one more side listed as 3(2x - 5)? Thank you
November 18, 2013

math
On a 9-hour trip home from winter break, Mary was forced to drive on a stretch of highway that had a lot of construction. At first she had to go 55 miles per hour for a certain amount of time, but then she was able to go 65 miles per hour for the rest of the trip and in total ...
August 19, 2013

C++
what are the simplest methods to understand C++ programming language?
June 6, 2013

Math
The area of a trapezium is 360 in2. If the ratio of the bases to the height is 6:10:5, find the dimensions of the trapezium.
June 5, 2013

Math
A 20 foot ladder is leaning against a building. If the ratio of the base of the ladder's distance from the building to its top's height from the ground id 3:4, find how high the top of the ladder is from the ground.
June 5, 2013

Math
The area of a yard is 15000. If the ratio of the length to the width to the depth is 4:2:1, what are the dimensions of the pool?
June 5, 2013

Physics
A yo-yo with an axle diameter of 2.00cm has a 80.0cm length of string wrapped around it many times in such a way that the string completely covers the surface of its axle, but there are no double layers of string. The outermost portion of the yo-yo is 4.00 {\rm cm} from the ...
May 25, 2013

Physics
How much mechanical energy was lost during the ball's fall?
May 20, 2013

Math~Polynomials
Number Five is three!!
May 13, 2013

Math
John cut an apple pie into 6 equal slices. His friends ate some of the pie and now 3/5 is left. John wants to put each slice of the leftover pie on its own plate. What part of the pie will he put on each plate?
April 17, 2013

Math Help please
You complain that the hot tub in your hotel suite is not enough. The hotel tells they will increase the temperature by 10% each hour. If the current temperature of the hot tub is 75 degrees Fahrenheit, what will be the temperature of the hot tub after three hours to the ...
April 17, 2013

Physics
A heat engine does 650 J of work and dumps 1270 J of heat to its cold reservoir. What is its efficiency?
April 16, 2013

Maths
Solve for the value of x: 6log(x^2+1)-x=0
April 14, 2013

Please help! Maths
For what value of K will the equation 3x^2- 4x-(1+K)= 0 have equal roots?
April 13, 2013

Please Reiny Solve it For me Again! please......
6log(x^2+1)-x=0
April 10, 2013

Please Reiny Solve it For me Again! please......
Solve for the value of x: log5(x-2)+log8(x-4)=Log6(x-1)..For your information that 5,8 and 6 are bases not just multipliers. Thank you.
April 10, 2013

Please solve
Solve and graph: y>2x-1
April 10, 2013

Please Help work it out! LOGARITHM
log4(3x-7)^2=10. I have no idea in working it out.
April 4, 2013

Please Help!!!! Maths
X^2-6X+1=(3X+5)/2
April 4, 2013

Please Help work it out! Maths
1/(X-2)=3/(X+2)-(6X/(X^2-4)
April 4, 2013

Please Help work it out! Maths
(2x-1)/(x+1)=2X/(X-1)+ (5/X)
April 4, 2013

Maths
Find the value of x: (2x-1)/(x+1)=2x/(x-1)-(5/x)
April 4, 2013

Please solve it for me!! Please...Maths
x^2-6x+1=(3x+5)/2
April 4, 2013

Please solve it for me!! Please...Maths
Solve for the value of x: 6log(x^2+1)-x=0
April 4, 2013

Please help me work it out!!! Maths
solve for x: ln(x^2-6x-16)=5
April 4, 2013

Please help me here!!! Maths
Solve for the value of x: ln(x^2-6x-16)=5. Please help me work it out because I do not have an idea in work it out.
April 4, 2013

Please help me here!!! Maths
Isolve for x: ln(x^2-6x-16)= 0 . help me beacuse I do not have the idea to work it out.
April 4, 2013

Please help me!!!! maths
Solve for x: log5(x-2)+log8(x-4) = log6(x-1). I do not have any idea on this topic.
April 3, 2013

Help!!!! math
An hiking group wanted to travel a long chapter of the Appalachian Trail for 4 days. They planned to hike 6 hours per day and wanted to complete a trail chapter that was 60 miles long. what rate of speed would they have to average to complete the trail chapter as planned?
April 3, 2013

Please solve it.Logarithm
Please help me because I do not any idea in Logarithm topic.Solve for the value of X: 6log(x^2+1)=5
April 2, 2013

maths
For the following graph: a. Find the domain of f. b. Find the range of f. c. Find the x-intercepts. d. Find the y-intercept. e. Find the intervals over which f is increasing. f. Find the intervals over which f is decreasing. g. Find the intervals over which f is constant. h. ...
February 18, 2013

economics
The country of Arkanslavia had money supplies of 183 million arkollars in 2010 and 644 million in 2011. They have real output of 791 arkollars in both years. In Arkanslavia velocity was 7 in 2010 but changed to 5 in 2011. What is the difference in the price level between 2011 ...
January 30, 2013

Physics: Buoyancy
A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water
January 27, 2013

Physics: Buoyancy
A crane lifts the 23000 kg steel hull of a ship out of the water. Determine the following. (a) the tension in the crane's cable when the hull is submerged in the water
January 27, 2013

S.S. Check answers
thank you
November 9, 2012

geometry
LM has the endpoints L(-1,1) and M(-5,-3) find the coordinates of the midpoint of LM
June 7, 2012

math
Suppose that $200 was deposited on 1st Jan 2000 into an account that earned 5% interest compounded semiannually. Suppose further that $200 was deposited on 1st Jan 2001 into a different account that earned 6% interest compounded semiannually. In what month of what year will ...
February 19, 2012

math
Since it didnt ask for an improper fraction or mixed number and that is what we are studying I came up with 40/8 as the improper and 5 for the mixed?
February 8, 2012

math
A shipment of boxes weighs 40 pounds. There are 8 boxes and each weighs the same number of pounds. How much does each box weigh?
February 8, 2012

Biology
Explain what happens during each of the three steps of cellular respiration and explain why a lack of oxygen is such a severe problem to the process.
December 2, 2011

Biology
Using the fundamentals of thermodynamics, explain why we must continue to eat in order to maintain homeostasis?
December 2, 2011

Physics
A 400-g block of copper at a temperature of 85°C is dropped into 300 g of water at 33°C. The water is contained in a 250-g glass container. What is the final temperature of the mixture?
November 29, 2011

calculus
A force of 1300 lb compresses a spring from its natural length of 16 in to a length of 10 in. How much work is done in compressing it from 10 in to 6 in?
November 28, 2011

calculus
find the work done in winding up a 175 ft cable that weighs 4.00 lb/ft?
November 28, 2011

Chemistry
56.1%
November 26, 2011

physics
a disk has a mass of 2kg and a length of 2 meters and it oscillates about an axis that is 1.5 meters from the center of the disk. It is initially displaced at an angular displacement of 0.2 radians and released. A) What is the equation of motion? B)What is the kinetic energy ...
November 20, 2011

physics
What is the gravitational force on a bar that is 3 meters long and has a density of 3x kg/m and lies 3 meters from a 2 kg point mass
November 19, 2011

Physics
A 2 kg steel ball strikes a wall with a speed of 8.15 m/s at an angle of 54.4◦ with the normal to the wall. It bounces off with the same speed and angle, as shown in the figure. If the ball is in contact with the wall for 0.243 s, what is the magnitude of the average ...
November 2, 2011

Physics
A 0.30 kg puck, initially at rest on a frictionless horizontal surface, is struck by a 0.20 kg puck that is initially moving along the x axis with a velocity of 2.8 m/s. After the collision, the 0.20 kg puck has a speed of 0.5 m/s at an angle of θ = 53° to the ...
October 23, 2011

physics
How far to the nearest tenth of a meter can a runner running at 15 m/s run in the time it takes a rock to fall from rest 68 meters?
October 6, 2011

Physics
A box of books weighing 290 N is shoved across the floor of an apartment by a force of 400 N exerted downward at an angle of 35.0° below the horizontal. If the coefficient of kinetic friction between box and floor is 0.57, how long does it take to move the box 3.80 m, ...
October 2, 2011

Physics
A train has a mass of 5.22 multiplied by 106 kg and is moving at 70.0 km/h. The engineer applies the brakes, which results in a net backward force of 1.87 multiplied by 106 N on the train. The brakes are held on for 37.0 s. (a) What is the new speed of the train? (b) How far ...
October 2, 2011

science
a mineral is organic, which means that it contains what?
September 28, 2011

algebra
sam mowed half of the yard on friday and half of the remaining grass on saturday what fractional part of yard still needs to be mowed
September 27, 2011

math
how do you find the square root of 57 and then round to the nearest tenth
September 27, 2011

Chemistry
In the following reaction, it 13g of sodium are reacted how many grams of copper(solid) can be obtained? 2Na(s)+ Cu(NO3) 2 - - > 2NaNO3 + Cu(s)
September 25, 2011

Math
If the product of two numbers is 65 and one of the numbers is 8 more than the other, what is the remaining number?
September 15, 2011

algebra
34a*22
September 14, 2011

3rd grade math
my answer is 37
September 6, 2011

physics
How many mL of orange juice would be required to get the recommended daily allowance of 60 mg of vitamin C? (Concentration of vitamin C is .011 moles/L in 5.0 mL of juice).
May 4, 2011

world history
is pennsylvania's government a monotheistic or not?
April 30, 2011

Physics
The useful power output of Bryan Allen, who flew a human-powered airplane across the English Channel on June 12th, 1979, was about 350 W. The propellor of the airplane was driven by the pilot's legs, using a bicycle-tyoed mechanism. Using the efficiency for legs (20%), ...
April 5, 2011

physics
"By means of a rope, whose mass is negligible, two blocks (mass: 11kg and 44 kg) are suspended over a pulley. The pulley can be treated as a uniform solid cylindrical disk. The downward acceleration of the 44 kg block is observed to be exactly one half the acceleration ...
April 3, 2011

physics
"A solid cylinder and a thin-walled hollow cylinder have the same mass and radius. They are rolling horizontally along the ground toward the bottom of an incline. They center of mass of each cylinder has the same translational speed. The cylinders roll up the incline and ...
April 3, 2011

Physics
"A 1220-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Find a) the magnitude of the tension in the cable and b) the magnitude of the horizontal and vertical ...
April 3, 2011

Physics
"A small 0.5 kg object moves on a frictionless horizontal table in a circular path of radius 1 meter. The angular speed is 6.28 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the circle. Someone ...
April 3, 2011

physics
"A small 0.5 kg object moves on a frictionless horizontal table in a circular path of radius 1 meter. The angular speed is 6.28 rad/s. The object is attached to a string of negligible mass that passes through a small hole in the table at the center of the circle. Someone...
April 1, 2011

physics
"A 1220-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Find a) the magnitude of the tension in the cable and b) the magnitude of the horizontal and vertical ...
April 1, 2011

physics
"A solid cylinder and a thin-walled hollow cylinder have the same mass and radius. They are rolling horizontally along the ground toward the bottom of an incline. They center of mass of each cylinder has the same translational speed. The cylinders roll up the incline and...
April 1, 2011

physics
"By means of a rope, whose mass is negligible, two blocks (mass: 11kg and 44 kg) are suspended over a pulley. The pulley can be treated as a uniform solid cylindrical disk. The downward acceleration of the 44 kg block is observed to be exactly one half the acceleration ...
April 1, 2011

physics
Since there are no non-conservative forces involved in this scenario, you can use the principle of the conservation of momentum. Set up the momentum of the baseball player equal to the momentum of the baseball: (75kg)(vB)=(0.145kg)(40m/s). The velocity of the baseball player ...
March 31, 2011

separatio of variables
solve the initial value problem by separation of variables dy/dx=6x^2y and y(0)=4
March 19, 2011

separation of variables
solve the initial value problem by separation of variables dy/dx=x2/y given y=-5 when x=3
March 19, 2011

geometry
What does it mean when the scale factor of the actual object to its model is less than one?
February 6, 2011

diameter
if the sum of the diameters of two circles is 28 inches one circle has a diameter that is 8 inches longer than the diameter of the other what are the diameters of the two circles
January 24, 2011

math
Explain why arcsin 3 is undefined.
January 21, 2011

chemistry
Is this a buffer system? NH3/(NH4)2SO4? It is formed by mixing NH3 (weak base) and a strong acid (H2SO4), but according to my worksheet it is not a buffer system. Why is this so? Isnt it a buffer as long as it consists of a weak base and its salt of a strong acid? Please do ...
January 13, 2011

science
how does movement differs among Bacteria, grasshoppers, fish, bear
August 17, 2010

chemistry
1) DETERMINE pH of each of the following 2-component solutions. 0.08M RbOH & 0.130M NaHCO3
July 18, 2010

chemistry
Suppose a fuel-cell generator was used to produce electricity for a house. If each H2 molecule produces 2e- , how many kilograms of hydrogen would be required to generate the electricity needed for a typical house? Assume the home uses about 850 kWh of electricity per month, ...
July 11, 2010

physics
carts of a roller coaster are travelling 5m/s over the top of the first hill. If there is no energy loss due to friction and the hill is 50m high,what speed will the carts have at the bottom
July 1, 2010

physics
carts of a roller coaster are travelling 5m/s over the top of the first hill. If there is no energy loss due to friction and the hill is 50m high,what speed will the carts have at the bottom
July 1, 2010

chemistry
How much limestone (CaCO3) in kilograms would be required to completely neutralize a lake with a volume of 5.2 x 10^9L . The lake contains 5.0 x 10^-3 moles of H2SO4 per liter?
June 28, 2010

chemistry
How much limestone (CaCO3) in kilograms would be required to completely neutralize a 5.2 x 109 --L lake containing 5.0 x 10 -3 of H2 SO4 per liter?
June 28, 2010

Math: Is my answer correct?
it is a
May 2, 2010

math
what is a mode
May 2, 2010

science
yes
May 2, 2010

art
omg
May 2, 2010

CHEM
41.7 g KBr
March 22, 2010

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