Answer:

Step-by-step explanation:
Factor out the common terms, and get: 
Factor
, and get: 
<em>Hope this helps!!</em>
Answer: 67.2°
Step-by-step explanation:
To find angle C, we have to use cosine rule. Therefore,
12² = 8² + 10² - 2 × 8 × 10 × cosC
C = 82.8°
The bearing of A from C will be
= 150° - 82.8°
= 67.2°.
PEMDAS
57 - 12/4 x 3 = 57 - 3 x 3 = 57 - 9 = 48
Answer:
The reciprocal of
is
.
i.e.

Step-by-step explanation:
Given the number
Finding the reciprocal of

To find the reciprocal, divide 1 by the number given


so

Therefore, the reciprocal of
is
.
i.e.
