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Drupady [299]
2 years ago
9

write the equation and find the value of x. round side length to the nearest tenth and angle measures to the nearest degree​

Mathematics
1 answer:
mash [69]2 years ago
3 0

Answer:

  • x = 12.5

Step-by-step explanation:

<u>Equation:</u>

  • cos 28 = 11/x
  • x = 11/ cos 28
  • x = 12.5 (rounded)
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Solve the system using elimination
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Answer:

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Step-by-step explanation:

given the 2 equations

2x + 3y = 9 → (1)

x + 5y = 8 → (2)

multiplying (2) by - 2 then adding to (1) will eliminate the term in x

multiply (2) by - 2

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add 1(1) and (3) term by term

(2x - 2x) + (3y - 10y) = (9 - 16)

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Substitute y = 1 in either (1) or (2) and solve for x

(1) : 2x + 3 = 9 ( subtract 3 from both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Solution is (3, 1 )


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