Saturday
July 26, 2014

Posts by selma


Total # Posts: 10

MATH
Where are the functions f1(x)=|sin(x)| and f2(x) = sin(|x|) differentiable? Use n as an arbitrary integer constant.) f1(x) = |sin(x)| is differentiable for all x ≠______________ f2(x) = sin(|x|) is differentiable for all x ≠______________ No one has answered

Information Technology
explain how facebook has used two (2) design elements to enhance its appearance and Justify your response in terms of either efficiency (cost, time or effort) or effectiveness (quality of output, accuracy, presentation and comprehensiveness).

Physics
A voltmeter of internal resistance of 5000 Ω is connected across the poles of a battery of internal resistance 0.20 Ω. The voltmeter reads 1.4993 volts. What is the actual zero-current emf of the battery? Would this formula be I = V/(r+R) = 1.4993/(5000+0.20)?

Physics
A water pipe is made of iron with an outside diameter of 2.5 cm and inside diameter of 2.0 cm. The pipe is used to ground an electric appliance. If a current of 20 A flows from the appliance into the water pipe, what fraction of this current will flow in the iron? What fractio...

math
Write the ratio of 4 1/3 to 6 in simplest form.

math
solve for unknown 8 over 52= x over 39

math
solve for the unknown 2/3 over 10=1.8 over x

math
Write a proportion that is equivalent to the statement: If 3 gallons of gasoline cost $5.37, then 8 gallons will cost $14.32.

math
Write a proportion that is equivalent to the statement: If 3 gallons of gasoline cost $5.37, then 8 gallons will cost $14.32.

Trig
Solev the equation for t if 0 is less than or eual to t which is less than 2 pi 7sin + radical3 = 5 sin t

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