Solve the equation on the interval 0 ? ? < 2?.cos(2?) = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Why does the computer meet the need in the following activity? ? Teaching a person to solve quadratic equations. ?
A. tutorial B. doesn't need a computer C. repetition D. easy to correct E. all of these choices
Mathematics
Provide an appropriate response.Are the two fractions equivalent? Explain your answer.
and 
What will be an ideal response?
Mathematics
Write the first four terms of the recursive sequence.a1 = -2, an = 
for n ? 2
A. -2, - 
, - 
, - 
B. -2, - 1, - 
, - 
C. -2, -2, - 1, - 
D. -2, -2, - 
, - 
Mathematics
Find the variance of the probability density function to the nearest hundredth.f(x) = 
- 
; [3, 4]
A. 0.06 B. 0.10 C. 0.08 D. 0.05
Mathematics