Questions Uploads
Question
system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving a free variable.
xminus
−yequals
=3
3
yminus
−zequals
=negative 3
−3
xplus
+zequals
=4
Question
elimination method.
one third x
13x
minus
−
two thirds y
23y
plus
+
z
z
equals
=
negative 4
−4
one half x
12x
minus
−
three fourths y
34y
plus
+
z
z
equals
=
negative StartFraction 19 Over 4 EndFraction
−194
negative 2 x
−2x
minus
−
y
y
plus
+
z
z
equals
=
2
2
Question
Question
time, t, in seconds that it takes to swing back and forth once is given by t= 2 sqrt L
Suppose the pendulum takes 7.42 seconds to swing back and forth once. What is its length?
Carry your intermediate computations to at least four decimal places, and round your answer to the nearest tenth.
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