Write the equation of the circle with the given center and radius.center (0, 2), radius 
A. (x + 2)2 + y2 = 225
B. x2 + (y + 2)2 = 15
C. x2 + (y - 2)2 = 15
D. (x - 2)2 + y2 = 225
Answer: C
Mathematics
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The position vector of a particle is r(t). Find the requested vector.The velocity at t = 0 for r(t) = cos(4t)i + 5ln(t - 3)j - 
k
A. v(0) = 4i - 
j
B. v(0) = 
j
C. v(0) = -
j
D. v(0) = -4i - 
j
Mathematics
Provide an appropriate response.The formula for the total resistance of a circuit is Rt = 
. If Rt = 8 ?, and R2 = 10 ?, solve the equation for R1.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Decide whether the statement is true or false.
= 
? 
= 
A. True B. False
Mathematics
In the circle, m
= 68° and m
= 74°. Find m
.
A. 34°
B. 37°
C. 71°
D. 142°
Mathematics