Solve the problem.After t seconds the height s of an object propelled upward with an initial velocity of 3200 feet per second is given by 
How long after the object is propelled upward until it first reaches an altitude of 100,000 feet? (Round your answer to 2 decimal places.)
A. 77.53 seconds
B. 0.49 seconds
C. 38.76 seconds
D. -27.48 seconds
Answer: C
Mathematics
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Find a formula for the nth partial sum of the series and use it to find the series' sum if the series converges.
+ 
+ 
+ ... + 
+ ...
A. 
; 
B. 
; 
C. 
; 
D. 
; 
Mathematics
How many composite numbers are between -2 and 11 on the number line?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x3 - 3x2 - 16x + 48
A. (x - 3)(x + 4)(x - 4) ; 3, -4, 4 B. (x - 3)(x + 4)(x - 4) ; -3, 4, -4 C. (x - 3)(x + 4)(x - 5) ; 3, -4, 5 D. (x + 3)(x - 4)(x + 4) ; -3, 4, -4
Mathematics
Simplify using scientific notation. Give your answer in scientific notation.(0.00000016)(1,000,000,000,000)
A. 1.6 × 106 B. 1.6 × 10-7 C. 1.6 × 105 D. 1.6 × 1012
Mathematics