Saturday
February 13, 2016

Posts by Anthony

Total # Posts: 924

Physics
How much water at 20 degrees C is needed to melt 1 kg of solid mercury at its melting point which is -39 degrees C? (The heat of fusion of mercury is 2.8 cal/gram).
July 20, 2010

Physics
You decide to take a nice hot bath but discover that your thoughtless roommate has used up most of the hot water. You fill up the tub with 270 kg of 30.0°C water and attempt to warm it further by pouring in 5.00 kg of boiling water from the stove. (a) Calculate the final ...
July 18, 2010

SCIENCE
A pilot of a light plane heads due north at air speed of 400km/h and wind is blowing from the west at a 60km/h.what is
July 12, 2010

chemistry
Food and Drug Administration (FDA) recommends that adults ingest less than 2.4 g of sodium per day. How many liters of softened water, containing a sodium concentration of 0.050% sodium by mass, have to be consumed to exceed the FDA recommendation? (Assume a density of 1.0 g/...
July 9, 2010

science
how making inferences help the scientist in their discoveries?
June 29, 2010

alg
simplify: sqrt (6/11) a) sqrt (66/11) b) 6 c) 6 sqrt (11/11) d)6 sqrt (11)
June 26, 2010

algebra
thanks jen
June 26, 2010

algebra
``solve: sqrt (r - 1) + 5 = 2 a) (10) b) (8) c) (50) d) none or 0''. a
June 26, 2010

algebra
thanks damon
June 26, 2010

algebra
Find the distance between (-2,9) and (-5,15) a)24.18 b)6.71 c)45.02 d)18.67 just need to know if my answer is right or wrong b
June 26, 2010

alg
thanks
June 25, 2010

alg
solve: sqrt (v) - 3 = 6 a) (-9) b) (81) c) (9) d) none or 0 b just need to know if my answer is wrong or right
June 25, 2010

alg
i got that as well Reiny but thats not one of the answer though
June 25, 2010

alg
thanks quidditch so much for your help :)
June 25, 2010

alg
simplify the following radical expression : 4 sqrt (81/16) a)3/2 b)2 c)2/3 d)3 a
June 25, 2010

algebra
simplify the following radical expression: 4 sqrt(625) a) sqrt (25) b) 25 c)5 d) no solution exists c
June 25, 2010

algebra
alright
June 25, 2010

algebra
find the distance between (-2,9) and (-5,15) a) 24.18 b) 45.02 c) 6.71 d)18.67 a
June 25, 2010

algebra
thanks quidditch
June 25, 2010

algebra
find the distance between (2/3,4) and (5/3,7) a) 10.06 b) 3.16 c) 3.46 d) 4.24 b
June 25, 2010

algebra
thanks Quidditch
June 25, 2010

algebra
find the distance between (0,-5) and (-6,8). a)6.70 b)13 c)14.32 d)3.87 c just need to know if my answer is correct or not thanks
June 25, 2010

algerba
simplify: sqrt (6/11) a) sqrt (66/11) b) 6 sqrt (11/11) c) 6 d) 6 sqrt (11)
June 24, 2010

algebra
thanks reiny
June 24, 2010

algebra
simplify: sqrt(24) a) 6 sqrt (2) b) 4 sqrt (6) c) 4 sqrt (2) d) 2 sqrt (6) d
June 24, 2010

algebra
simplify: sqrt (28) a) 4 sqrt (7) b) 7 sqrt (2) c) 2 sqrt (7) d) sqrt (7) c im just making show that they are correct sorry for posting up so many
June 24, 2010

algebra
yeah thats what i meant sorry
June 24, 2010

algebra
simplify: sqrt (7/9) a0 sqrt (7) b) sqrt (63/3) c) sqrt (63/3) d) sqrt (7/3) d
June 24, 2010

algebra
thanks jen
June 24, 2010

algebra
simplify: sqrt (121/9) a) 11/3 b) sqrt (11/3) c) sqrt(11 / sqrt 3) d)3 sqrt (11) a is the answer
June 24, 2010

algebra
thanks damon :)
June 24, 2010

algebra
solve:t - sqrt(6t - 9) = 0 a) none or 0 b) (-3,3) c) (3) d) (-3) c
June 24, 2010

algebra
thanks jen :)
June 24, 2010

algebra
simplify the following radical expression: sqrt (3) * sqrt (3) a) 3 b) sqt (3) c) none or 0 d)1 just need to know if my answer right or wrong a
June 24, 2010

algebra
thanks jen :)
June 24, 2010

algebra
simplify the following radical expression: sqrt (x) * sqrt (x) a) x b) sqrt (x) c)2 d) no soltuion exists just need to know if my answer is correct or not and i picked a
June 24, 2010

algebra
simplify the following radical expression; 4 sqrt (81/16) a) 2/3 b) 2 c) 3 d) 3/2
June 24, 2010

algebra
simplify : sqrt (12) - sqrt (27) a) - sqrt(15) b) -15 sqrt (3) c)- sqrt (3) d) -5 sqrt (3)
June 24, 2010

algebra
thanks reiny
June 24, 2010

algebra
Simplify: sqrt (21) (sqrt(7) + sqrt(3)) a) 7 sqrt (3) + 3 sqrt(7) b) 7 sqrt(3) + sqrt (3) c) sqrt (210) d) sqrt (147) + sqrt (63)''. a
June 24, 2010

algebra
thanks
June 24, 2010

algebra
Solve: 1 + sqrt (6 -n) = 3 a) (-2) b) none or 0 c) (2) d) (2,-2)''. c
June 24, 2010

algebra
find the midpoint of the segment with endpoints (1/3,-4) and (-2/3,6) a) (-1/3,2) b) (-1/6,1) c) (-1/2,1) d) (1,-1/6)
June 18, 2010

algebra
thanks damon
June 18, 2010

algebra
Simplify: 2 sqrt (3) + 4 sqrt (3) a) 18 b) sqrt (9) c) 8 sqrt (3) d) 6 sqrt (3) d
June 18, 2010

algebra
thanks damon
June 18, 2010

algebra
Simplify: ( sqrt (2) + sqrt (3) ) ( sqrt (2) - sqrt (3) )? a) 2 - 2 sqrt (6) - 3 b) -1 c) 2 + 2 sqrt (6) - 3 d) 5 i just need to know if my answer or right or wrong. i think the answer is b thanks
June 18, 2010

algebra
thanks
June 18, 2010

algebra
Find the distance between (2/3,4) and (5/3,7) a) 3.16 b) 4.24 c) 3.46 d) 10 .06
June 18, 2010

algebra
the correct answer is c
June 18, 2010

algebra
simplify the following radical expression : 4 sqrt (625) a) 25 b) sqrt (25) c) 5 d) no solution exists i think a
June 18, 2010

algebra
alright thanks mathmate
June 17, 2010

algebra
simplify the following radical expression: 3 sqrt (-27) a) -3 b) 3 c) 0 d) no solution exists do i write the sqrt like this or do i write like this sqrt () 3 -27 please show me the correct way to write it thanks
June 17, 2010

algebra
thanks jen and mathmate
June 17, 2010

algebra
simplify the following radical expression: sqrt x * sqrt x a) x b) sqrt x c) 2 d) no solution exists do you know any site that will help me with the square roots? thanks!
June 17, 2010

Financial officer
If the finance officer who is the interviewer ask a question and ask the question again in a different way that is "overuses questions". I need to know what happens when the interviewer ask overuses questions. What would be the candidates feel or respond and should ...
June 9, 2010

Financial officer
What happens when the interviewer or manager overuses questions?
June 9, 2010

1st grade
can you name a story where an animal needs help and no other animal will help them?
June 1, 2010

computers
A small startup software developer company needs to create a program that will calculate the pay of its employees. For the first version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked, and the hourly pay...
May 26, 2010

Math
A basketball player has a 40% shooting average from the free-throw line. If she takes two free throws, estimate the probability that she will make both of them. Use the following list of digits which was taken from a table of random numbers. Let the digits 0-3 represent a made...
May 24, 2010

Math
What is the measure of the point for a star shaped polygon with 8 points and a dent angle of 130 degrees? How do I work this out?
May 23, 2010

Math
What is the measure of the point angle for a star-shaped polygon with 8 points and a dent angle of 130 degrees?
May 23, 2010

math
$36.80 + 56%=
May 23, 2010

Math
Suppose that a given parallelogram is not a rhombus. Which of the following can you conclude about this parallelogram? A) Its diagonals are perpendicular bisectors of each other. B) It is a square. C) Its sides are not all congruent. D) All of the above I picked C.
May 23, 2010

math
x+4/2x*6x^2/x^-16= (x+4)/2x*6x(x)/(x+8)(X-8) rational expression using factoring could some check this.
May 22, 2010

math
8x^3+125 (2x)^3+(5)^3 (2x+3)(5x^2-6x+25) check this for me
May 17, 2010

9th grade
Is this anwser right 1,2,9,28,49
May 17, 2010

Math
I still don't understand. Could you explain. I don't know what any of this means.
May 16, 2010

Math
Use the discriminate to determine how many real number solutions the equation has. s^2 - 5s + 6 = 0
May 16, 2010

Physics
A body moves in rectilinear motion along the x-axis with an acceleration of a = 24 - t - 6 t^2 . Starting with an initial position at the origin (x = 0) and an initial velocity of 4 ft/s to the left (along the negative x-axis), what is the position of the body at the end of 4 ...
May 14, 2010

Chemistry
i need to find the; [Cl-] in PbCl2 solution,[Pb2+] in PbCl2 solution, and the ksp given: PbCl2(s)--> Pb2+(aq)+2Cl-(aq) Temp of solution =20.2 volume of Pbcl2 solution=25.00ml mass of dry AgCl2(g)=0.2543g #moles : AgCl(s)=1.77e-3 Cl(aq)=1.77e-3 Pb2+(aq)= 8.85e-4
April 26, 2010

Chemistry
1500 * 0.05 = 75 75g of K2SO4 to make 1500g of a 5% solution.
April 26, 2010

Chemistry
v/v = 50 mL / 2500 mL x 100 = 2.0% v/v
April 26, 2010

alcoholic beverages
so that the cork stays wet
April 26, 2010

chemistry
i need to find the; sorry i need to find [Cl-] in PbCl2 solution,[Pb2+] in PbCl2 solution, and the ksp given: PbCl2(s)--> Pb2+(aq)+2Cl-(aq) Temp of solution =20.2 volume of Pbcl2 solution=25.00ml mass of dry AgCl2(g)=0.2543g #moles : AgCl(s)=1.77e-3 Cl(aq)=1.77e-3 Pb2+(aq...
April 26, 2010

chemistry
[Cl-] in PbCl2 solution, M? [Pb2+] in PbCl2 solution, M? ksp? #moles : AgCl(s)= Cl(aq) Pb2+(aq)= Temp of solution =20.2 volume of Pbcl2 solution=25.00ml mass of dry AgCl2(g)=0.2543g
April 26, 2010

History
I'm writing a paper based on the life of General Douglas MacArthur; however, I'm having trouble figuring out how to outline my report. My question is, how should I outline my report?
April 18, 2010

math
What is the ratio of 2 positive numbers whose product is 2400 at a 2:3 ratio?
April 14, 2010

math
what is the sum of 2+3?
April 12, 2010

English
How does the the notion of colonization impacts on your post-modern or fluid notions of personal idenity?
April 11, 2010

programming
A small startup software developer company needs to create a program that will calculate the pay of its employees. For the third version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked, and the hourly pay...
March 6, 2010

programming
Write Pseudocode and explain the how do you do the program desk check?
March 6, 2010

computers
A small startup software developer company needs to create a program that will calculate the pay of its employees. For the first version of the program, the company wants the program to accept an employee’s name, the number of hours the employee worked, and the hourly pay...
March 6, 2010

College Chemistry
ammonia reacts with diatomic oxygen to form nitric oxide and water vapor:4NH3+5O2=4NO+6H2O what is the theoretical yeild of water in moles when 40 g NH3 and 50g O2 are mixed and allowed to react
March 1, 2010

Math
The length of a rectangle is fixed at 20cm. What widths will make the perimeter greater than 78cm?
February 26, 2010

math
4 6/9 + 3 7/12=
February 23, 2010

computer history
what are all the anser
February 22, 2010

Physics
A car battery is rated at 90A hr, meaning that it can supply a 90A current for 1 hr before being completely discharged. If you leave your headlights on until the battery is completely dead, how much charge leaves the positive terminal of the battery?
February 17, 2010

Physics
In a typical lightning strike, 2.5 C flows from cloud to ground in 0.20 ms. What is the current during the strike?
February 17, 2010

Physics
2.0x10^13 electrons flow through a transistor in 1.0ms. What is the current through the transistor?
February 17, 2010

Physics
A 70 W electric blanket runs at 24 V. What is the resistance of the wire in the blanket? How much current does the wire carry?
February 17, 2010

Physics
An electric eel develops a potential difference of 460 V, driving a current of 0.80 A for a 1.0 ms pulse. Find the power of this pulse. Find the total energy of this pulse. Find the total charge that flows during the pulse.
February 17, 2010

Physics
Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. The leaf of a corn plant has a resistance of 2.1 M Ohm measured between two electrodes placed 20cm apart along the leaf. The leaf has a width of 2.8 cm and is 0.20 mm ...
February 17, 2010

Physics
The relatively high resistivity of dry skin, about 1x10^6 Ohm m, can safely limit the flow of current into deeper tissues of the body. Suppose an electrical worker places his palm on an instrument whose metal case is accidently connected to a high voltage. The skin of the palm...
February 17, 2010

Physics
You've made the finals of the Science Olympics! As one of your tasks, you're given 1.1g of copper and asked to make a cylindrical wire, using all the metal, with a resistance of 1.7 Ohm. What length l will you choose for your wire? What diameter d will you choose for ...
February 17, 2010

Physics
An electric catfish can generate a significant potential difference using stacks of special cells called electrocytes. Each electrocyte develops a potential difference of 110 mV. How many cells must be connected in series to give the 350V a large catfish can produce?
February 17, 2010

Physics
When a nerve cell depolarizes, charge is transferred across the cell membrane, changing the potential difference. For a typical nerve cell, 9.0 pC of charge flows in a time of 0.50ms. What is the average current(Value and units)?
February 17, 2010

Physics
You've made the finals of the Science Olympics! As one of your tasks, you're given 1.8g of copper and asked to make a wire, using all the metal, with a resistance of 1.3 Ohm. Copper has a density of 8900 kg/m^3. What length will you choose for your wire(in meters)? ...
February 17, 2010

physics
IDK
February 14, 2010

math
what is the value of y- coordinate of the solution to the system of equation x + 2y = 9 and x- y= 5
January 28, 2010

  1. Pages:
  2. <<Prev
  3. 1
  4. 2
  5. 3
  6. 4
  7. 5
  8. 6
  9. 7
  10. 8
  11. 9
  12. 10
  13. Next>>