Answer:
Step-by-step explanation:
x^2-8x+12=(x-2)(x-6)
Use the Cosine Rule
q^2 = 20^2 + 30^2 - 2^20*30 cos 15
= 140.89
so q = sqrt 140.89 = 11.9 (answer)
Answer: C
Step-by-step explanation:
-0.095 is closest to -0.1
The simplified answer is 34560
Knowing 1 + 7 will help you find 7 + 1 because of what's called the additive property. This means that when you're adding any numbers together, the order does not matter and the sum will be the same.
1 + 7 = 7 + 1
