Friday
December 9, 2016

# Posts by Rony

Total # Posts: 37

Chemistry
45g/36.5g/mol= 1.233mola*1000/1500= 0.822M
December 2, 2014

chemistry
C1V1=C2V2 law can be applied because the ratio is 1:1
October 28, 2014

acconting
purchased a machine of Rs. 1000000 on 1/1/13, the service life of the machine is 10 years. The company calculate depreciation on straight line basis, which is = cost of the asset/no.of years
September 7, 2014

Statistics
May 16, 2013

marketing
she purchase a lamp for Rs. 900 and sell it for Rs. 1500, determine the following a)rupee markup, b)markup percentage on cost, c)markup percentage of selling price
January 20, 2013

social study
Z located on the top of the globe X located in the center of the globe U located almost in the bottom of the globe please help
September 24, 2012

social study
A comparison of the average temperatures on any given day at points z,x, and U on the glove would probably show that the temperature at point X is? 1 warmer than at z and cooler than at U 2 warmer than at z and cooler than at U 3 cooler than at z and warmer than at U 4 cooler ...
September 24, 2012

Science
it is cool
January 3, 2012

chemistry 32
Final conc=(Initial volm 1.0mL*initial conc 0.1M)/(Final volm 10mL)= 0.01M Ans=0.01M
March 10, 2011

Physics
F = MA F = qv*B ma = qvb a = qbv/m m = mass of electron q = charge of electron
November 1, 2010

math (pre-calc)
Solve for x: 1. 3^2x+3^x+1-4=0 2. log3(x=12)+log3(x+4)=2 3. lnx+ln(x+2)=4 4. 3*4^x+4*2^x+8=0
April 18, 2010

i know... a^2=b^2+c^2-2bc cos A but i didn't get the correct answer...which is 14 is it like a^2=20^2+14.5^2-2(20)(14.5) cos135
April 15, 2010

the playground at a daycare center has a triangular-shaped sandbox. Tow of the sides measure 20 feet and 14.5 feet and form and included angle of 45 degree. Find the length and the third side of the sandbox to the nearest tenth of a foot.
April 15, 2010

The Vietnam Veterans Memorial in Washington, D.C., is made up of two walls, each 246.75 feet long, that meet at an angle of 125.2°. Find, to the nearest foot, the distance between the ends of the walls that do not meet.
April 10, 2010

If a is an angle in standard position and its terminal side passes through the point (-3,2), find the exact value of csc a. Answer: radical 13/2
April 3, 2010

math (pre-calc)
Analyzing a Stock. The beta, B of a stock represents the relative risk of a stock compared with a market basket of stocks, such as Standard and poor's 500 Index of stocks. Beta is computed by finding the slope of the line of best fit between the rate of return of the stock...
March 31, 2010

If θ is an angle in standard position and its terminal side passes through the point (−3,2), find the exact value of cscθ . I know the answer...but i want to know how you get the answer... The answer is radical 13/2
March 28, 2010

A circle has a radius of 4 inches. In inches, what is the length of the arc intercepted by a central angle of 2 radians? which of the following is the answer: 1) 2 radian 2) 2 3) 8 radian 4) 8
March 27, 2010

it is cosx thanks
March 27, 2010

the expression cos4x cos3x + sin4x sin3x is equivalent to which one of the following is the answer: 1) sinx 2) sin7x 3) cosx 4) cos7x
March 27, 2010

i know the answer...it is 197º40’ but i want to know how you get the answer... some one plz help... thanks
March 27, 2010

find, to the nearest minute, the angle whose measure is 3.45 radians.
March 27, 2010

Math
A shoe manufacturer determines that the annual cost of making x pairs of one type of shoe is \$30 per pair plus \$100,000 in fixed overhead costs. Each pair of shoes that is manufactured is sold wholesale for \$50. a. Find the equations that model Revenue and cost and graph each ...
March 15, 2010

Math
Find the real zeros of f(x)=(x-1)^2 + 5(x-1)+4
March 7, 2010

Math
Find the zeros of f(x)=(x-1)^2 + 5(x-1)+4
March 7, 2010

Math
The weekly rental cost of a 20 foor recreational vehicle is \$129.50 plus \$0.15 per mile. -Find a linear function that express the cost C as a function miles driven m. - What is the rental cost if 860 miles are driven? -How many miles were driven if the rental cost is \$213.80?
March 7, 2010

Math
f(x)=2x^2+1 and g(x)=3x-2 find f(x+h)-f(x)
March 7, 2010

physics
some one help me with this question..plz.. Thank You.
February 18, 2010

physics
A potential difference of 0.90 V exists from one side to the other side of a cell membrane that is 5.0 NM thick. What is the electric field across the membrane?
February 18, 2010

physics
Resistors R1, R2, and R3 have resistances of 15.0 Ohms, 9.0 Ohms and 8.0 Ohms respectively. R1 and R2 are connected in series, and their combination is in parallel with R3 to form a load across a 6.0-V battery. -What is the total resistance of the load? -What is the current in...
February 18, 2010

physics
A 15.0 Ohms resistor is connected in series to a 120V generator and two 10.0 Ohms resistors that are connected in parallel to each other. -What is the total resistance of the load? -What is the magnitude of the circuit current? -What is the current in one of the 10.0 Ohms ...
February 17, 2010

physics
i know when its paralle 1/Req= 1/R1 + 1/R2...
February 17, 2010

physics
Two resistors, one 12Ohms and the other 18 Ohms, are connected in parallel. What is the equivalent resistance of the parallel combination?
February 17, 2010

physics
r is equal 1.25cm
February 16, 2010

physics
What is the force between two charged spheres 1.25 cm apart if the charge on one sphere is 2.50 C and the charge on other sphere is 1.75 X 10^-8 C
February 16, 2010

physics
a potential difference of 0.90 V exists from one side to the other side of a cell membrane that is 5.0 nm thick. What is the electric field across the membrane?
February 16, 2010

Chemistry
The number of Pb atoms per unit cell
January 3, 2010

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