The given pattern continues. Write down the nth term of the sequence {an} suggested by the pattern.
, 
, 
, 
, 
, ...
A. an = 
B. an = 
C. an = 
n-1
D. an = 
Answer: A
Mathematics
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The length of one leg of a right triangle is 4 centimeters more than the length of the other leg. The length of the hypotenuse is 20 centimeters. Find the lengths of the two legs.
A. 9 cm, 14 cm B. 15 cm, 17 cm C. 10 cm, 14 cm D. 12 cm, 16 cm E. 14 cm, 18 cm
Mathematics
Find the following.Let u = 
, v = 
, w = 
.Find u + v
A. 
B. 
C. 
D. 
Mathematics
For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t + 5)i + (ln(cos t) - 3)j + 2k
A. a = (sec t tan t)T + (sec t)N B. a = (sec t tan t)T - (sec t)N C. a = (-sec t tan t)T + (sec t)N D. a = (-sec t tan t)T - (sec t)N
Mathematics
Solve the equation.
= 
A. 3 B. 0 C. -6 D. No solutions
Mathematics