Find 8A.





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a.

Mathematics

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Solve the problem.If a single pane of glass obliterates 15% of the light passing through it, then the percent P of light that passes through n successive panes can be approximated by the equation P = 100e-0.15nHow many panes are necessary to block at least 50% of the light?

Fill in the blank(s) with the appropriate word(s).

Mathematics

Use the fundamental identities to find the value of the trigonometric function.Find tan ?, given that cos ? = -0.25881905 and ? is in quadrant II.

A. -3.9910152 B. -3.7320507 C. 3.7320507 D. 3.9910152

Mathematics

Graph the equation using the slope and the y-intercept.y = x - 3

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B.

C.

D.

Mathematics

Solve the problem.The half-life of Antimony 111 is 2.9 hours. If the formula  gives the percent (as a decimal) remaining after time t (in hours), sketch P versus t.  

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D.

Mathematics