Monday
November 24, 2014

Posts by me


Total # Posts: 1,063

statistics
The average amount of time people spend on facebook each day is 71 minutes, with a standard deviation of 4.7 minutes. Are you more likely to select a random person that spends less than 68 minutes per day, or a group of 35 people that spend on average less than 65 minutes per ...
November 17, 2012

sosgal studdies
thank you
November 15, 2012

sosgal studdies
What enabled people of northern Italy to sponsor learning? (1 point)Martin Luther's ideas a mild climate wealth from trade help from the Germany government 2. What did German leaders want during the Reformation? (1 point)to increase the pope's power to collect their ...
November 15, 2012

physics
20uc
November 13, 2012

Math
Jman, why were you looking up this question if you already did the test?
October 29, 2012

math - still don't get it
thank u I wouldn`t get it at first because I figure things out AFTER I know the answer however , thnx
October 25, 2012

physics
a wagon is pulled at a constant speed at an angle of 46 dregress with a force of 100N. ehat is the force of friction between the wagon and the ground ?
October 22, 2012

physics
two kids push on a 10kg box. one pushes 100N to the west and the other pushes north at 200N. what is the acceleration of the pbject?
October 22, 2012

physics
wile e coyote pushes a 1500n rock toward the edge of a cliff with the road runner below. he gives a rock acceleration of .8m/s^2. what is the net force of the rcok?
October 22, 2012

Science
Thanks
October 10, 2012

Science
24.62 g of nickel heated and then immersed in 200ml of water. the temperature of the water rose 22.50c to 32.20c.The specific heat of NI is .470J/g*C. What is the temperature of the Ni before it is immersed in the water?
October 10, 2012

Science
Strong
October 9, 2012

Engineering Fund.
Since the force 235 N is at an angle, you want it to be parallell with the ground. To do that you do the cosine of the angle multiplied by the force. So 235*cos34.8 = 192.97 N Using F=ma 192.97=19a so a= 10.1563 m/s^2
October 4, 2012

Geometry
What the hell is the answers.?!
September 7, 2012

philospy 103
In the conditional "P →Q," "P" is a my answer is necessary condition for P
September 3, 2012

health
What is the impact of health care cost for the individual consumer? The employer?
August 19, 2012

health
What can consumers do to reduce health care costs?
August 19, 2012

Chemistry
C3H8 + 5O2 --> 3CO2 + 4H2O what are the oxidation #'s of each? What is being oxidized? reduced? Please explain
July 18, 2012

Statistics
A local fire station receives an average of 0.5 rescue calls per day. Find the probability that on a randomly selected day, the fire station will receive fewer than two calls. (Round your answer to the nearest thousandth.)
July 13, 2012

Geometry
11. What is the bearing of the plane? 12. What is the smallest angle of the triangle? 13. What is the largest angle of the triangle? 14. What is the remaining angle of the triangle? 15. What is the ground speed of the plane? I am lost on these
June 5, 2012

Math
C(5) would be the cost to make 5 sailboats, so substitute 5 for 'x' (2 * 5) + 20 10 + 20 = 30; since the question says the cost is in thousands of dollars, then C(5) is how much it costs the company to make 5 sailboats, which is $30,000 or $6,000 / sailboat.
May 29, 2012

alegbra
To find the product of two fractions, you simply multiply across top & bottom. But first, you can see that 12 and 15 have a common factor of 3. So, (11 / 15) * (12 / 7) then becomes: (11 / 5) * (4 * 7) Multiplying straight across, you get: (11 * 4) / (5 * 7) = 44 / 35
May 29, 2012

math/algebra
I don't know where 'bobpursley' learned his math, or why he keeps answering math questions on this site incorrectly, but here's how it's actually done. There are 60 minutes in an hour, so 55 minutes can be expressed, very simply, as 55 / 60 To reduce this ...
May 29, 2012

math
20% = 0.2 If his sticker collection, at the moment, has 1400 stickers, then 0.2 * 1400 = 280 stickers.
May 28, 2012

Math (grade 10)
To find the coordinates of the lamp, you have the find the midpoint of the path. The path has two endings: one at (-25, 20) one at (40, 36) For the x-coordinate, add up all x-coordinates and divide them by 2 -- [(-25 + 40) / 2] = (15 / 2) = 7.5 For the y-coordinate, add up all...
May 28, 2012

Algebra
There are 2 halves in the course: 1st half has 120 points 2nd half has 140 points -- for a grand total of 260 points If a student earns 81% of the points in the 1st half, she earns 0.81 * 120 points -- 0.81 * 120 = 97.2 points If there are 260 total points in the class, and ...
May 28, 2012

college math
If you're talking about the median, then you're missing a number in your list. Your list is: 1400, 1550, 1700, 2500, 7000 which has 5 numbers. The median (the middle number) would be the 3rd, which in this case is 1700. If you want the median to be [(1700 + 2500) / 2...
May 27, 2012

college math
If both terms are equal, that is: x / 60 = 9 / 5 Then, x is to 9, as 60 is to 5. 60 = 5 * 12 so, x = 9 * 12 thus, x = 108.
May 27, 2012

National Junior Honor Society Essay Check
....Nice!
May 15, 2012

business law
Fred and Zuma Palermo contacted Colorado Carpet Installation, Inc., for a price quotation on providing and installing new carpeting and til­ing in their home. In response, Colorado Carpet submitted a written proposal to pro­vide and install the carpet at a certain ...
May 1, 2012

Science
what happens when you increase the thermal energy of water
April 23, 2012

Accounting
200
April 13, 2012

physics
An engine absorbs 2000J of heat from a hot reservoir and expels 750J to a cold reservoir during each operating cycle. What is the efficiency of the engine?
April 13, 2012

Socail Studies
senior
April 12, 2012

health
c all day
April 11, 2012

chemistry
What are the skeleton equations for Dicarbon hexahydride gas + oxygen gas --> carbon dioxide gas + gaseous water And Solid barium and chlorine gas react to produce solid barium chloride
April 3, 2012

Statistics Question
the answer is 1. thank
March 22, 2012

biology
bill is wrong. It is B. simple sugars. Have fun on study island
March 21, 2012

Math
They have 20 pieces of 12 foot lumber. If they need 2 screws for every 3 feet of lumber, how many screws do they need?
March 20, 2012

English 11
BELIEVE ROSCOE!!1
March 12, 2012

physics
A person, with his ear to the ground, sees a huge stone strike the concrete pavement. A moment later two sounds are heard from the impact: one travels in the air and the other in the concrete, and they are 1.7 s apart. How far away did the impact occur?
March 11, 2012

chemistry
Dr.Bob222 can you work this problem out fully. I don't understand at all.
March 4, 2012

Economics
If all company in a certain industry are earning economic profits now, in long run what will happen?
February 25, 2012

physics
V=d/t or t=d/v t=138/25 t=5.52 seconds
February 20, 2012

Algebra 2
You are cooking chili. When you take it off the stove, it has a temperature of 205°F. The room temperature is 68°F and the cooling rate of the chili is r = 0.03. How long will it take to cool to a serving temperature of 95°F
February 20, 2012

MATH
A gyroscope of radius 18 cm rotates 35 times per minute. What is the linear velocity at a point on the edge of the gyroscope?
February 19, 2012

College Calculus
50 pi gorillas
February 9, 2012

Math
fabric that is 56 1/4 cut into 3 3/4
February 7, 2012

chemistry
How many grams of carbon dioxide can form when a mixture of 3.60 g ethylene (C2H4) and 2.70 g of oxygen is ignited, assuming complete combustion to form carbon dioxide and water?
January 25, 2012

caculus
ʃ dx/x^4(1/x^2-2)^2 please help i need solution..i got the answer.. answer= 1/6(1-2x^3)=c thanks
January 23, 2012

calculus
Find the volume of the solid generated by revolving the region bounded by the graphs of the equations about the line x = 6. y = 6 − x y = 0 y = 5 x = 0
January 23, 2012

math
State 15.70 City 7.85 Retirement 23.55 FICA 42.25 Income 90.33 ------- Total Deductions 179.68 785.00 - 179.68 = $605.32
January 10, 2012

math
Part 1: Find the area of a rectangular object which has a length of 5√8 inches and a width of 2√5 inches. (3 points) Part 2: Explain, in complete sentences, how you arrived at the simplified answer and give the final solution in simplified radical form. (2 points) ...
January 7, 2012

PHI 103
#2 is sound deductive. The book says that it is.
December 10, 2011

physics
So is the formula for r: r = (1/4)(v^2/g)? or (1/4 v^2)/g ? sorry I am asking so much
December 9, 2011

physics
So the first formula period=2pi*sqrt(r/g) is incorrect? I am just confused I am sorry
December 9, 2011

physics
I am just confused on the way some of these are written out like in the period equation you just gave, is pi multiplied by v and then divided by g or is the whole quantity given by v/g multiplied by pi?
December 9, 2011

physics
Is the formula r = (1/4)(v^2/g)? or (1/4 v^2)/g ?
December 9, 2011

physics
A pendulum consists of a massless rigid rod with a mass at one end. The other end is pivoted on a frictionless pivot so that it can turn through a complete circle. The pendulum is inverted, so the mass is directly above the pivot point, and then released. The speed of the mass...
December 9, 2011

Physics
A pendulum consists of a massless rigid rod with a mass at one end. The other end is pivoted on a frictionless pivot so that it can turn through a complete circle. The pendulum is inverted, so the mass is directly above the pivot point, and then released. The speed of the mass...
December 9, 2011

pre-algebra
3.7x-3.5=x+5.4 0.7(0.9x+3)-0.8(1.6x-0.7)=x
December 8, 2011

Physics help pleaseeeeee
An oscillator with a mass of 281 g has a speed of 119.1 cm/s when its displacement is 2.80 cm and 34.2 cm/s when its displacement is 7.80 cm. What is the oscillator's maximum speed (in m/s)?
December 7, 2011

Physics
A 103.0 g mass attached to a horizontal spring oscillates at a frequency of 2.52 Hz. At t = 0 s , the mass is at x = 6.31 cm and has a velocity of -11 cm/s. Determine the phase constant in rad. Determine the total energy in J. Determine the position (in cm) at t = 1.55 s.
December 7, 2011

Physics help please
An oscillator with a mass of 281 g has a speed of 119.1 cm/s when its displacement is 2.80 cm and 34.2 cm/s when its displacement is 7.80 cm. What is the oscillator's maximum speed (in m/s)?
December 7, 2011

Physics
I know one oscillation is 48seconds (I was given a sinusoidal graph to determine the previously stated values from)
December 7, 2011

Physics
How do you calculate the phase constant in degrees given amplitude and frequency?
December 7, 2011

piece of doo-doo
piece of doo-doo+doo=doo
December 6, 2011

computer networking
what kind of network information can you gather from issuing commands on a router or switch?
December 6, 2011

logic
Truth tables can determine which of the following?
December 2, 2011

Physics please help!
Yes, thank you but as I said, I still can not figure out from what you gave me so maybe someone else will explain better (figuring out the mass of the star that is).
November 30, 2011

Physics please help!
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 2.070E+7 m and its rotation to be 19.8 hours. You have previously determined that the planet orbits 1.590E+11 m from its star with a period of 368.0 ...
November 30, 2011

Physics help please
While visiting Planet Physics, you toss a rock straight up at 13.6 m/s and catch it 3.50 s later. While you visit the surface, your cruise ship orbits at an altitude equal to the planet's radius every 340.0 minutes. What is the mass (in kg) of the planet?
November 29, 2011

trig
Solve the equation for exact solutions over the interval [0, 2pi]. 4 cotx+2=-2
November 29, 2011

Physics help please
I did that and it still did not come out correctly.
November 27, 2011

Physics help please
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 2.070E+7 m and its rotation to be 19.8 hours. You have previously determined that the planet orbits 1.590E+11 m from its star with a period of 368.0 ...
November 27, 2011

chemistry
4132.23
November 26, 2011

Physics help please
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 2.070E+7 m and its rotation to be 19.8 hours. You have previously determined that the planet orbits 1.590E+11 m from its star with a period of 368.0 ...
November 26, 2011

ENGLISH SENTENCE CHECK
thanks
November 21, 2011

ENGLISH SENTENCE CHECK
IS MY SENTENCE CORRECT AND WORDS USED RIGHT?? What does it mean to tie the knot of renunciation? It means all the promises made to one another by a couple in the marriage ceremony have been broken; therefore, they choose divorce.
November 21, 2011

English topic sentence please pick one
SO IS MY SENTENCE CORRECT?? What does it mean to tie the knot of renunciation? It means all the promises made to one another by a couple in the marriage ceremony have been broken; therefore, they choose divorce.
November 20, 2011

English topic sentence please pick one
so is tying the knot of renunciation means getting a divorce??? or untying the knot of connection
November 20, 2011

English topic sentence please pick one
like when you're getting married and you take vows meaning you're untying the knot of renunciation
November 20, 2011

English topic sentence please pick one
it means The formal rejection of something, typically a belief, claim, or course of action.
November 20, 2011

English topic sentence please pick one
which one is better?
November 20, 2011

English topic sentence please pick one
or What does it mean to untie the knot of renunciation? It means all the promises made to one another by a couple in the marriage ceremony have been broken; therefore, they choose divorce.
November 20, 2011

English topic sentence please pick one
or What does it mean to untie the knot of renunciation? It means all the promises made to one another by a couple in a marriage ceremony have been broken; therefore, they choose divorce.
November 20, 2011

English topic sentence please pick one
What does it mean to untie the knot of renunciation? It means all the promises made to one another by a couple in a marriage ceremony have been broken which ends with a divorce. or What does it mean to untie the knot of renunciation? It means getting a divorce; all the ...
November 20, 2011

Physics help pleaseeee
A horizontal spring with a spring constant of 200.0 N/m is compressed 25.0 cm and used to launch a 3.00 kg block across a frictionless surface. After the block travels some distance, the block goes up a 32 degree incline that has a coefficient of friction of 0.25 between the ...
November 16, 2011

chemistry
calculate the number of moles of potassium iodate (KIO) that were present in the 5.00mL aliquot of standar potassium iodate solution Can someone please show me the workings to do questions like this one? thanks =]
November 16, 2011

Physics help pleasee
How much power is generated by a 90 kg sprinter that accelerates up to 9.0 m/s in 2.8 seconds?
November 16, 2011

Physics
nevermind I forgot the divide the angle...thanks!
November 14, 2011

Physics
It still did not come out correctly I took cos60=.2/x and got .4 for the distance then did 3*.5*(.4)^2 and got .24 and then did 1/2(.24)(9.42)^2 and got 10.66J which is incorrect...
November 14, 2011

Physics
This question was posted earlier but the explanation given was confusing. The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the ...
November 14, 2011

Physics please help
How far from the center of the Earth (in km) is the center of mass of the Earth + satellite system if the satellite has a mass of 6560 kg and is in orbit 46200 km above the surface of the Earth. The mass of the Earth is 5.98 * 10^24 kg and the radius of the Earth is 6370 km.
November 14, 2011

Physics :(
What is the angular momentum (in kg*m*m/s) of a 880 g symmetrical rotating bar which is 2.70 m long and spinning at 185 rpm about the center of the bar?
November 14, 2011

Physics help please!
The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the center? (Diagram shows equilateral triangle with 500g masses at each point...
November 14, 2011

Physics help!
How far from the center of the Earth (in km) is the center of mass of the Earth + satellite system if the satellite has a mass of 6560 kg and is in orbit 46200 km above the surface of the Earth. The mass of the Earth is 5.98 * 10^24 kg and the radius of the Earth is 6370 km
November 14, 2011

physics
(1.6+ 1.0)*1.6)/1.0
November 13, 2011

proofreading English
Public schools vs. Private schools Private and public schools education differs in several ways. There are many differences of both types of schools such as their academic programs, class sizes and admissions requirements that makes a private school better than a public school...
November 11, 2011

proof read and make corrections
also how shouold i write my conclusion?
November 11, 2011

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