Tuesday
October 21, 2014

Posts by JAKE


Total # Posts: 1,751

college
if y=kx/square root of w find k when y=4 x=12 and w =4 I have an answer of 16/3 and I believe that the correct answer is 2/3 am I right.
April 21, 2010

college algebra
if f(x)=4x/x-2 what is f(3) possible answer would be f(3)=12 is this correct
April 20, 2010

college algebra
f(x)=4x/x-2 what is the vertical asymptote I have a possible answer of x=2
April 20, 2010

college algebra
if y=kx/square root of w find k when y=4 x=12 and w =4 I have an answer of 16/3 aia believe that the correct answer is 2/3 am I right.
April 20, 2010

calculus
simply the summation of (2/n)(2i/n)
April 20, 2010

medical records
How does accreditation affect the practical activities of record management in hospitals
April 19, 2010

science
25 ml sample of 0.150 m solution of aqueous trimethylamine is titrated with 0.100 M soultion of hcl. calculate the pH of the solution after 10.0ml,20 ml and 30.0 ml of acid have been added; pkb of (CH3)3 N =4.19?
April 19, 2010

Math
Multiply. Use the partial-products algorithm. 87 x 65 Not sure how to use the partial-product algorithm.
April 18, 2010

algebra
write each number in exponential notation 100= 10,000=
April 7, 2010

Chemisty
^ ^ ^ Chris is right! THANKS SO MUCH MAN!!!
April 5, 2010

chemistry
A gas absorbs 45 kJ of heat and does 29 kJ of work. Calculate the change in energy. The answer is 16 kJ, but I don't understand why. If a gas absorbs heat and does 29 kJ of work. Wouldn't they both be positive? Change in energy = q + w 45 kJ + 29 kJ = 74 kJ Why is the ...
March 31, 2010

integrated algebra
5-3(2b-3)= -4
March 31, 2010

physics
An object is thrown vertically into the air with an applied force of 145N. what is the initial acceleration of the object?
March 30, 2010

math
0.8125
March 29, 2010

physics
a 125Newton box is pulled east along a horizontal surface with a force of 60Newton acting at an angle of 42degrees. if the force of friction on the box is 15 newton, what is the acceleration?
March 29, 2010

physics
Physics force of friction question a 63kg water skier is pulled across a lake by a rope that exerts a force of 3.2x10^2 and makes an angle 17 degrees above the horizontal. if the coefficient between the skies and the lake is 0.27 at what rate will the skier accelerate?
March 28, 2010

physics
isn't vf 5.8
March 28, 2010

physics
Physics force of friction question a shuffle board disk is accelerated to a speed of 5.8m/s and released. if the coefficient of the kinetic friction between the disk and the concrete court is 0.3, how far does the disk go before it comes to a stop?The courts are 15.8meters long
March 28, 2010

psychology
So you answered my question to tell me not to post it twice that was an accident...heres my question i need some help please, dont tell me to post again because it was by accident. Which color arrangement wouldcreate the deepest senseof space? A. red,orange,blue B. Green ...
March 28, 2010

psychology
Which color arrangement wouldcreate the deepest senseof space? A. red,orange,blue B. Green violet, blue C.Yellow, orange,yellow-orange D. Violet, blue-violet, red-violet What are the double split complement colors for blue-green?
March 28, 2010

Psychology
Which color arrangement wouldcreate the deepest senseof space? A. red,orange,blue B. Green violet, blue C.Yellow, orange,yellow-orange D. Violet, blue-violet, red-violet What are the double split complement colors for blue-green?
March 27, 2010

5th grade math
3.14
March 19, 2010

american history
Francis Cabot Lowell led a group of businessmen who? A. built a centralized textile factory in massachusetts B. ended that market revolution C. received the first state charter for a bank D. cashed in so many bank notes that they led to a panic in 1837
March 19, 2010

physics
i thought T was the total time dont you have to subtract it by the time of the angle to find the time of the fall
March 18, 2010

physics
Need help with short projectile motion question a ball is thrown up off the roof of a school at an angle of 55 degrees from the horizontal and at a velocity of 25m/s. how long before it hits the ground if it land 95meters from the base of the building? at what horizontal and ...
March 18, 2010

math
A parabola with a vertex at (–1, –2) passes through the point (1,6). Using this information, what are the x-intercepts of this parabola? A) (1 – , 0) and (1 + , 0) B) (2, 0) C) (0, 0) and (–2, 0) D) (0, 0) how would i figure this out?
March 17, 2010

math
how would i do this quadratic word problem A local daycare centre charges $65 per day to care for a child. The daycare currently cares for 150 children per day. A survey shows that the enrollment in the daycare will increase by 10 children for each $5 decrease in daily fee, ...
March 17, 2010

math
sorry i forgot to write math
March 17, 2010

samuel
how would i do this quadratic word problem A local daycare centre charges $65 per day to care for a child. The daycare currently cares for 150 children per day. A survey shows that the enrollment in the daycare will increase by 10 children for each $5 decrease in daily fee, ...
March 17, 2010

5th grade
37.68
March 17, 2010

5th grade
About 3. So your anwser would be A.
March 17, 2010

physics
would the formula for solving for time be vyf-vyi/a
March 16, 2010

physics
Short projectile motion question a peron kicks a football from 39.6 meters from the goal posts. the kcik leaves the ground with a speed of 24.8m/s at an angle of 49.6 degrees. the goal post are 3.10 meters high determine the amount by which the kick clears the goal posts
March 16, 2010

physics
projectile motion question need help working through it an airplane travelling 1001meters above the ocean at 125km/h is going to drop a box of supplies to shipwrecked victims below. a) How many seconds before the plane is directly overhead should the box be dropped b) what is ...
March 14, 2010

Social
Ia Rush Limbaugh, as carried on WBEN radio in Buffalo is an example of network programming and is All things Considered", as carried by WBFO in Buffalo is an example of network programming as well
March 14, 2010

physics
Short projectile motion question A German rocket from the second world war had a range of 3000meters reaching a maximum height of 1000meters. Determine the rockets maximum velocity
March 12, 2010

math
peter bought a bag of candy. He gave away ten percent of the candy too his wife and the gave three pieces to meg. he gave one forth of what he had left to his friend joe and then ate half of the remaining 18 peaces of candy. How many pieces of candy were originally in the bag?
March 11, 2010

grade 12 trig
cot 17= 3.2709 what does tan of 73 equal
March 11, 2010

calculus
Find the direction of A= <-5,12> I did arctan (12/-5) and added 180 because x was negative and got 105.13 degrees. I missed the question on the test though. What did I do wrong?
March 10, 2010

math
4 people need to cross a brige but it is dark outside and they only have one flashlight and only 2 people can cross at one time. doris takes 10 minutes bob takes 5 minutes jack takes 2 minutes and annie takes 1 minute. how can thay get across in 17 minutes. someone has to go ...
March 9, 2010

physics
How do I go about in solving this? A spy satellite is in circular orbit around Earth. It makes one revolution in 6.01 hours. (a) How high above Earth's surface is the satellite? ___ km (b) What is the satellite's acceleration? ___m/s2
March 7, 2010

physics
(how do I go about solving this, i know i need to conver 88days to secs and that would be 126,720. but I don't where to go from there, help please) What is the average linear speed of Mercury about the Sun? (The distance from the Sun to Mercury is 5.80 1010 meters. The ...
March 7, 2010

phy sci
hafe life
March 5, 2010

physics
can someone please take me step by step on this problem a swimers speed in still water is 1.35m/s if the current speed is 0.60m/s and the river is 106.68 meters wide. how long will it take to cross the river
March 4, 2010

Physics.
The figure below shows an arrangement of 15 identical disks that have been glued together in a rod-like shape of length L = 1.4500 m and (total) mass M = 135.000 g. The arrangement can rotate about a perpendicular axis through its central disk at point O. (a) What is the ...
March 4, 2010

physics
what do i do...
March 4, 2010

physics
can someone take me through this vector combination question please an airplane is observed to be flying at a speed of 600km/h. The planes nose points west. The winds velcoity is 40km/h 45degrees west of south. Find the air planes velocity relative to the ground.
March 4, 2010

physics
During a ski race, Kate uniformly accelerated at 3.15m/s^2 for 100meters. She then maintained this velocity for another 100m. she then uniformly decelerated at 6m/s^2 for 2 seconds. she accelerates back to her maximum velocity over the next 200meters in 16 seconds. she then ...
March 4, 2010

physcis
During a ski race, Kate uniformly accelerated at 3.15m/s^2 for 100meters. She then maintained this velocity for another 100m. she then uniformly decelerated at 6m/s^2 for 2 seconds. she accelerates back to her maximum velocity over the next 200meters in 16 seconds. she then ...
March 4, 2010

physics
Tried using a free fall set up with no luck. Things like (-9.8)(10.1)+43.3
March 3, 2010

physics
A balloonist, riding in the basket of a hot air balloon that is rising vertically with a constant velocity of 10.1 m/s, releases a sandbag when the balloon is 43.4 m above the ground. Neglecting air resistance, what is the bag's speed when it hits the ground? Assume g = 9....
March 3, 2010

physics
That reply was meant for a different question.
March 3, 2010

physics
I tried using free fall equations with no luck. I guess this isnt a free fall problem?
March 3, 2010

physics
need help decomposing theses vectors to x and y 52.9 meters at 19 degrees rectangular cor-ordinate system
March 3, 2010

physics
do i have to add anything like north of east since it did not give me a direction on the questions
March 3, 2010

physics
i got an answer of 50meters at 13degrees
March 3, 2010

physics
need help combining these vectors (if you can please show me a step by step guide of combining these two. Thank you 56m at 296 degrees, then 83m 152 degrees
March 3, 2010

physics
need help combining these vectors 56m at 296 degrees, then 83m 152 degrees
March 3, 2010

physics
finding the bearing of a vector? when i am giving a vector like 56 m at 296 degrees do i have to find a bearing of 296 degrees or is it only when i get something like 296 degrees south of east
March 3, 2010

physics
need a step by step process of combining this question into one vector: 56 NEWTONS at 296 degrees, then 83 newtons at 152 degrees
March 2, 2010

Physics
What is the difference in shape on a graph 70 degrees south of east and 70 degrees east of south?
March 2, 2010

chemistry
assume that you have a solution that is 5% (mol) acetone and 95% (mol) water. determine the molarity of this solution. how would you prepare a solution of this concentration in the lab? density of acetone=0.79 g/ml
March 2, 2010

physics
i need to determien the displa
March 2, 2010

physics
need help with doing this combining vector question A jogger runs with a velocity of 6km/h 25 degrees north west for 35 minutes and then changes direction , jogging for 20 minutes at 4.5km/h 65 degrees east of north. using a vector diagram determine the joggers total ...
March 2, 2010

physics
sorry i meant 70 degrees north of east and 70 degrees east of north
March 1, 2010

physics
what is the difference in shape on a graph between 70 degrees north of east and 70 degrees east of south
March 1, 2010

physics
need help with physcis vector problem Using combining vectors to find displacement problem(BEST answer)? tourist on a jet ski move 1.2km 55 degrees North of E and then 3.15km 70 degrees south of east. determine the jet ski's displacement.
March 1, 2010

physics
need help with this physics questions a jogger runs with a velocity of 6km/h 25 degrees north west for 35 minutes and then changes direction , jogging for 20 minutes at 4.5km/h 65 degrees east of north. using a vector diagram determine the joggers total displacement and his ...
March 1, 2010

Re:its the end of the world...
He means he didn't do "calculations"...
March 1, 2010

geography
cross country is to a skier as a what is to a runner
February 28, 2010

geography
swimming is to butterfly as what is to dressage
February 28, 2010

geography
a mountain is to a ski jumper as a what is to a diver
February 28, 2010

geography
A skull is to rowing as a what is to yachting
February 28, 2010

physics
A compact car and a trailer truck are both traveling at the same velocity. Which has more kinetic energy? 1. The trailer truck has more kinetic energy. The compact car has more kinetic energy. Both have the same kinetic energy.
February 26, 2010

physics
A 4.9 g marble is fired vertically upward using a spring gun. The spring must be compressed 8.0 cm if the marble is to just reach a target 29 m above the marble's position on the compressed spring. (a) What is the change in the gravitational potential energy of the marble-...
February 26, 2010

Physics
If two identical bowling balls are raised to the same height, one on Earth, the other on Mars, which has the larger gravitational potential energy increase? A)The bowling ball on Mars will have the larger gravitational potential energy. B)Both balls will have the same ...
February 26, 2010

Chemistry
List the following equilibrium solutions in order of decreasing free Ag+ concentration in mixture: 0.1M AgNO3, saturated AgCl, saturated AgBr, saturated AgI, Ah(NH3)2+, and Ag(S2O3)2 3-.
February 25, 2010

physics
is it 1.6m/s^2
February 25, 2010

physics
acceleration due to gravity questions when an object is dropped from a height of 10m above the surface of the planet z, it takes 1.2 seconds for the object to reach the surface. what is the acceleration of a falling object near the surface of the planet?
February 25, 2010

Physics
no... but apparently when an object is falling its acceleration is 9.81m/s^2
February 25, 2010

Physics
acceleration due to gravity questions Determine the time of fall when an object is dropped if the average velocity of the falling object was 12m/s?
February 25, 2010

Physics
acceleration due to gravity questions A rock is dropped from a height of 7meters a) what is the average velocity of the rock during its fall b) how long does it take the rock to fall
February 25, 2010

Physics
Physics 20 acceleration due to gravity questions An object is thrown downwards, hitting the ground with a velocity of 10m/s . it fell for 0.880seconds. At what velocity was the object released.
February 25, 2010

Physics
A rectangle with sides (a=1m) and (b=2m) has a set of discrete charges at the following locations: upper left: q =1nC lower left: q = 1nC lower right: -2q = -2nC Find the Coulomb force on a charge of q =1nC at the upper right hand side of the rectangle.
February 24, 2010

Physics
How would i find the total time spent decelerating on a velocity time graph? would it be the parts on the graph with negative velocity like -20m/s
February 21, 2010

Physics
is it the times where the slope is in the negatives like if it is at a velocity of -20
February 21, 2010

Physics
how would i find the total time spent decelerating on a velocity time graph
February 21, 2010

Physics
bob for the time lapsed would that be the total time spent? or am i supposed to subtract both times
February 21, 2010

Physics
How would i find the average velocity for certain points finding the average velocity between 0.2 hours and 0.4 hours object is at 20m at the 0.2 hours object is at 10km at rest at the 0.4hours
February 21, 2010

Physics
how to find the average velocity and speed for an entire postion time graph
February 21, 2010

Physics
How would i find the average velocity for certain points.? finding the average velocity between 0.2 hours and 0.3 hours object is at 20m at the 0.2 hours object is goes down(backwards) to 10m at the 0.3hours
February 21, 2010

Chemistry
Calculate the number of joules required to melt 57.4g of benzene at 5.5 degrees celsius? The heat of fusion for benzene is 9.87 KJ/mol and specific heat for liquid benzene is 1.63 J/g*deg)
February 19, 2010

Physics
But you do not need the frictional force to find the total work. Just the dragging force and the displacement.
February 18, 2010

Physics
Nate, the friction force is equal to mu*N, N is equal to mg-Fsin(31.1) not mg.
February 18, 2010

chemistry
A gas occupies 10 liters at standard conditions. What volume will it occupy at 20 degrees celsius and 700 torr?
February 16, 2010

Physics
A pilot stops a plane in 484 m using an acceleration of -8 m/s2. How fast was the plane moving before the breaking began? Thanks.
February 15, 2010

Physics
use the terms "displacement" and velocity to descibe how uniformly accelearted motion differs from unifrom motion
February 11, 2010

Physics
which answer is right
February 11, 2010

Physics
which ones right? Bobby or bobpursley
February 11, 2010

Physics
Describe the acceleration time graph of a car traveling forward and applying its brakes.
February 11, 2010

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