Solve the problem.The position of an object moving in a straight line is given by s = t2 - 8t, where s is in feet and t is the time in seconds the object has been in motion. How long (to the nearest tenth) will it take the object to move 10 feet?
A. 2.0 sec
B. 9.1 sec
C. 11.0 sec
D. 8.9 sec
Answer: B
Mathematics
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Identify which of three conceptual models of division (repeated subtraction, partition, missing-factor) best corresponds to the problem.A group of 4 people wants to buy a boat. The boat costs $416. If they all pay the same amount, how much is each person's share?
A. Missing-factor B. Repeated subtraction C. Partition
Mathematics
Identify the polynomial as a monomial, binomial, trinomial, or none of these.15z + 3
A. None of these B. Binomial C. Monomial D. Trinomial
Mathematics
Divide.
A. x3 - 
+ 9x - 27 + 
B. x3 + 
+ 9x + 27 + 
C. x3 + 
+ 9x + 27 + 
D. x3 + 
+ 9x + 27
Mathematics
Solve for x.e4x2 + e(2x)2 = 6
A. x = ±
B. x = 
ln 
C. x = ±
D. x = ±
Mathematics