first one: Juan plans to mix blue paint and red paint to create purple paint. The ratio of the number of gallons of blue paint t
o the number of gallons of red paint is 1:3 Complete the table to show how many gallons of red paint Juan needs for the given number of gallons of blue paint.
1 answer:
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Answer:
∠ B ≈ 66.42°
Step-by-step explanation:
Using the cosine ratio in the right triangle
cos B = =
=
, thus
B = (
) ≈ 66.42° ( to the nearest hundredth )