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Author Archives: Anonymous

fossilized-diatom.si.jpg Diatoms fossilize well because:

fossilized-diatom.si.jpg Diatoms fossilize well because:

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What kingdom does algae belong in? 78c42c0be799ca72bec71e3c…

What kingdom does algae belong in? 78c42c0be799ca72bec71e3c2f37f697.gif

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Describe a function  in terms of  if the graph of    is obta…

Describe a function  in terms of  if the graph of    is obtained by vertically stretching  by a factor of 3, then shifting the graph of  to the right 3 units and upward 5 units. , where ____________ ____________ ____________

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Use the graphs to evaluate the expressions below. a)   ____…

Use the graphs to evaluate the expressions below. a)   ____________ b)   ____________ c)   ____________ d)   ____________

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Find the domain and range of the function graphed below. Do…

Find the domain and range of the function graphed below. Domain:  ____________________ Range:  ____________________

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Solve:  . Give your answer using interval notation.

Solve:  . Give your answer using interval notation.

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Select all of the following graphs which represent    as a f…

Select all of the following graphs which represent    as a function of   . a)   b)   c)   d)   e)    f)  

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The plot below represents the function f(x): Evaluate   f(2…

The plot below represents the function f(x): Evaluate   f(2) :        f(2) = _________________ Solve  f(x) = 2            x = _________________

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Air enters the compressor of a regenerative gas-turbine engi…

Air enters the compressor of a regenerative gas-turbine engine at 300 K and 100 kPa, where it is compressed to 600 MPa and 700 K. The regenerator has an effectiveness of 80 percent, and the air enters the turbine at 1500 K. The compressor and turbine work at an isentropic efficiency of 90 percent. Assume variable specific heats for air. Draw the cycle on diagram and identify different states and processes. (5 pts) Determine all relevant properties and show them in a table format. (25 pts) Determine the amount of heat transfer in the regenerator. (5 pts) Determine the thermal efficiency of the cycle. (5 pts)

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When analyzing Diesel cycle efficiency, why does the method…

When analyzing Diesel cycle efficiency, why does the method change if the constant-specific-heat assumption is NOT used?

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