Express as a single logarithm and, if possible, simplify.loga10,000 - loga 100

A. loga 
B. 100 loga 10,000
C. loga 100
D. loga 9900


Answer: C

Mathematics

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Find the standard-form equation for an ellipse which satisfies the given conditions.An ellipse with y-intercepts ±6; foci at  and .

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

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The "forgetting curve" for memorizing nonsense syllables is given by equation below, where R is the percentage who remember the syllables after t seconds.

?

?
In how many seconds would only 10%  of the students remember? Round your answer to the nearest second.
?
Solve for the exact value of t in terms of R.

What will be an ideal response?

Mathematics

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Mathematics