Solve the problem.Bob, the incredible shrinking man, loses half of his height each day after he was exposed to a mysterious form of cosmic radiation. How many days before he is literally "knee-high to a grasshopper"? Assume that a grasshopper's knee is 4 millimeters high and that Bob is 2 meters tall. Round your answer to the nearest whole day. (1000 millimeters = 1 meter)
Fill in the blank(s) with the appropriate word(s).
9 days
Mathematics
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Find the indicated derivative for the given vector-valued function .Find Dtr(t) for r(t) = (4t4 + 5t3 - 1)i + 7k.
A. Dtr(t) = (16t3 + 15t2)k B. Dtr(t) = (16t3 + 15t2)i + k C. Dtr(t) = (16t3 + 15t2)i D. Dtr(t) = (4t3 + 3t2 - 7)i + k
Mathematics
Find the GCD for the given numbers by an appropriate method.6, 10, and 12
A. 6 B. 4 C. 2 D. 1
Mathematics
Write the first four terms of the recursive sequence.a1 = 8, an = 1 - 
for n ? 2
A. 8, 
, 
, -6
B. 8, 
, - 
, 8
C. 8, - 
, 
, 
D. 8, 
, - 
, -8
Mathematics
Find the indicated term of the sequence.an = 13 - 
; a199
A. 0
B. 
C. 
D. -1387
Mathematics