Please can you factor this equation.

Mathematics

1 answer:

Mademuasel [1]3 years ago

7 0

The answer is: 2y^2-20y+12

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erastova [34]

Answer:

Step-by-step explanation:

To solve this you need to know that cosine∅ = adjacent/hypotenuse. We already know that hypotenuse = 5 and that ∅ = 70*. By substituting these in you will get cosine 70* = adjacent/5. Evaluate cosine 70* on the calculator and get 0.633... Multiply both sides by 5 and get adjacent is about equal to 3.1666. Because BC is the adjacent side of the triangle, this is the length of BC.

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Answer:

B. 4 3/8

Step-by-step explanation:

7/8 X 5 = 4 3/8

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