Answer: (A) CDD
if D=C^-1
then
C D D = (C C^-1) D = I D = D
(where I is the identity matrix)
Answer:
16
Step-by-step explanation:
the negative outside the parenthesis removes the negative that is with the 19 and it is going to be 19-3 which equal 16
Answer:
four n squared divided by 7
Step-by-step explanation:
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That is a 30 60 90 triangle.
Read about those here: http://www.1728.org/trig2.htm
Are simply line segments<span> that are equal in length. </span>Congruent<span> means equal.</span>Congruent line segments<span> are usually indicated by drawing the same amount of little tic </span>lines<span> in the middle of the </span>segments, perpendicular to the segments<span>. We indicate a </span>line segment<span> by drawing a</span>line<span> over its two endpoints.</span>
