c^2 = a^2 + b^2 - 2(ab)(cos C)
c^2 + 2(ab)(cos C) = a^2 + b^2
2(ab)(cos C) = a^2 + b^2 - c^2
cos C = (a^2 + b^2 - c^2) / 2ab - Answer choice E
Hope this helps! :)
Answer:
its 7/3 or you could put 2 1/3
Step-by-step explanation:
Answer:
C.None of these
Step-by-step explanation:
atleast I think
Answer:
9 3/4 inches
Step-by-step explanation:
If we are finding how much taller Sara is, we need to subtract
6 ft 3 3/4 - 5 ft 6in
I like to line up vertically
6 ft 3 3/4
- 5 ft 6in
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We need to borrow 1 ft and make it 12 inches
5 ft 3+12 3/4
- 5 ft 6in
----------------
5 ft 15 3/4
- 5 ft 6in
----------------
0 9 3/4 inches
Answer:2x
Step-by-step explanation:
