Thursday
July 24, 2014

Posts by darrel


Total # Posts: 11

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.

Chemistry
somehow I got it right with CH6N2. Thanks

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. to...

math
Will an object 52" x 9" fit into a space 49" x 41"?

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

MATH
THANK YOU so so so much!!

Physics
ok ka lang?

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

economics
surplus

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...

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

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