Jackie bought 20 lb. of dog food. The dog food is packaged in 2, 4, and 8 lb. bags. How many bags of each size would Jackie have
1 answer:
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Pythagorean theorem is 
and using that sin is opposite/hypotenuse, you can find the third side of the triangle.
now you know adjacent is 60, so cos=60/61
and using that sin is opposite/hypotenuse, you can find the third side of the triangle.
now you know adjacent is 60, so cos=60/61
Answer:
- Given and explained below.
question 4
using sine rule:
question 5
using cosine rule:
(x + 9)(x + 12) = 0
Expanding the brackets, we get:
Expanding the brackets, we get: