Cosine law
a^2 = b^2 + c^2 - 2(b)(c)cosA
a^2 = 2^2 + 4^2 - 2(2)(4)cos78
a = 4.08
a = 4.1
Answer:
1.028
Step-by-step explanation:
The original amount is 100%
Add 2.8% to 100% = 102.8%
Now divide by 100 to find the decimal multiplier
102.8 ÷ 100 = 1.028
hope this helps :)
Answer:
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Answer:
36 = 2² * 3²
84 = 2² * 3 * 7
Explanation:
Pf of 36 = 2 * 2 * 3 * 3 which then becomes 2 (to the power of 2) times 3 (to the power of 2)
Pf of 84 = 2 * 2 * 3 * 7 which then becomes 2 (to the power of 2) * 3 * 7
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