Monday
October 20, 2014

Posts by darrel


Total # Posts: 12

Physics
An object is placed 5 cm in front of a concave lens of focal length 7 cm. Find the image location by drawing a ray tracing diagram to scale. Verify your answer using the lens equation.
November 28, 2012

Chemistry
somehow I got it right with CH6N2. Thanks
November 20, 2012

Chemistry
A compound containing only C, H, and N yields the following data. (i) Complete combustion of 34.8 mg of the compound produced 33.3 mg of CO2 and 40.9 mg of H2O. (ii) A 66.3-mg sample of the compound was analyzed for nitrogen by the Dumas method, giving 36.2 mL of N2 at 740. ...
November 20, 2012

math
Will an object 52" x 9" fit into a space 49" x 41"?
March 7, 2012

math
a cylindrical barrel is 2.8 feet in diameter and 8 feet high. If a cubic foot holds about 7.5 gallons of liquid, how manygallons of water will this barrel hold? Please explain throughly
May 17, 2011

MATH
THANK YOU so so so much!!
May 17, 2011

Physics
ok ka lang?
March 26, 2011

chemistry
M_1*V_1=M_2*V_2 so, 4.9 M SrCl_2*4.0 L=M_2*40 L then, solve for M_2
November 20, 2010

economics
surplus
August 12, 2010

algebra
Simplifying 4j + 8 = j + -10 Reorder the terms: 8 + 4j = j + -10 Reorder the terms: 8 + 4j = -10 + j Solving 8 + 4j = -10 + j Solving for variable 'j'. Move all terms containing j to the left, all other terms to the right. Add '-1j' to each side of the equation...
April 12, 2010

algebra
4j+8=j-10 I don't know how to figure out the j value.
April 12, 2010

Math
.7223
November 1, 2009

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