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:
1,020
Step-by-step explanation:
25.5 times 40 equals 1,020
Answer: 
Step-by-step explanation:
<u>Given information</u>
∡1 = 35°
∡b = ?
Total Angle = 180° (Supplementary Angle)
<u>Derived formula from the given information</u>
∡1 + ∡b = Total Angle
<u>Substitute values into the given formula</u>
(35) + b = 180
<u>Subtract 35 on both sides</u>
35 + b - 35 = 180 - 35

Hope this helps!! :)
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Answer:
$60
Step-by-step explanation:
First you must find how much he earns per hour. In order to do this, you must divide 36 by 3. This gets you 12. So, we know that Ed earns 12 dollars per hour. Now you just multiply this by 5 to get you answer (60).
The derivative would be f'(x)= -9