Sec(2n+20)=1/cos(n+40)
n=
1 answer:
Answer:
Step-by-step explanation:

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Answer:
6.5 inches
Step-by-step explanation:
diameter=radius ×2
radius= diameter÷2
Diameter=13
13÷2=6.5
19. x^2+16x+64
=(x+8)^2
21. x^2-10x+25
=(x-5)^2
So basically you do this ....
Hope it helps
Answer:
I don't understand what you're asking
Answer:
6 units :)
Step-by-step explanation: