Side DE is the side adjacent to ∠D. Side DF is the hypotenuse of the triangle. Adjacent/hypotenuse is the ratio for cosine; this gives us the equation

To solve this, multiply both sides by 55:

Answer d; a supplementary angle = 180°, so if that angle = 150°, y would = 30°.

You are watching: Use △def, shown below, to answer the question that follows:

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.

Use △def, shown below, to answer the question that follows: triangle def where angle e is a right a...

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5.- Su función es construir proteinas"diferentes a las originales, durante elproceso de digestión....

the constitution is considered a living document, which means it can be changed by adding amendments. give an example of when you think it would be ap...

Look at this graph:What is the slope?Simplify your answer and write it as a proper fraction, improper fraction, or integer.

Shampoo,metal comoon your clomineral. Adefinite chatoms orKey Concept Check1. Identify What is ami...

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Which of the following did Marceau NOT do: *• Create an acting mime company in the US• Create his own professional mime acting company in Fr...

Look at this graph:What is the slope?Simplify your answer and write it as a proper fraction, improper fraction, or integer.

A particle rotates in a circle with centripetal acceleration a = 8.0 m/s2 . What is a if the radius is doubled without changing the particle"s speed?...

What effects did the migration from rural areas to the cities in the late 19th century have on urban society?Include:why people moved to cit...

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