How many months are required for $2500 to grow to $3300 at 4% simple interest?

A. 8
B. 72
C. 96
D. 100
E. none of these


Answer: C

Mathematics

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Find the unit tangent vector T and the principal unit normal vector N. r(t) = i  + j + 4tk

A. T = (cos 0.75t)i  - (sin 0.75t)j ; N = (-sin 0.75t)i - (cos 0.75t)j 
B. T = (sin 0.75t)i  - (cos 0.75t)j ; N = (-sin 0.75t)i - (cos 0.75t)j
C. T = (cos 0.75t)i  - (sin 0.75t)j + k ; N = (-sin 0.75t)i - (cos 0.75t)j
D. T = (cos 0.75t)i  - (sin 0.75t)j + k ; N = (-sin 0.75t)i - (cos 0.75t)j 

Mathematics

Construct a truth table for the statement.(p ? w) ? (~w ? t)

A.

TTTF
T T F T
T F T T
T F F T
F T T T
F T F F
F F T T
F F F T
B.
TTTT
T T F F
T F T F
T F F F
F T T F
F T F F
F F T F
F F F F

Mathematics

Test the equation for symmetry with respect to the given axis, line, or pole.r = 2 cos ?;the polar axis

A. has symmetry with respect to polar axis B. may or may not have symmetry with respect to polar axis

Mathematics

Simplify the exponential expression. Write any negative exponents as positive exponents. Assume all variables represent positive real numbers.64-4/3

A. 256
B. not a real number
C.
D. - 

Mathematics