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aleksley [76]
3 years ago
9

Which expression is equivalent to : (2n - 3)?

Mathematics
1 answer:
Zigmanuir [339]3 years ago
6 0

Answer: Choice C) \frac{8}{9}n - 1\frac{1}{3}

====================================================

Explanation:

We multiply the outer term 4/9 with each term inside

  • (4/9) times (2n) = (4*2n)/9 = (8n)/9 = (8/9)n
  • (4/9) times (-3) = (4*(-3))/9 = -12/9 = -4/3

The improper fraction 4/3 converts to the mixed number 1 & 1/3

4/3 = (3+1)/3 = 3/3 + 1/3 = 1 + 1/3 = 1 & 1/3

So overall, we can say \frac{4}{9}(2n-3) = \frac{8}{9}n - 1\frac{1}{3}

This is equivalent to saying \frac{4}{9}(2n-3) = \frac{8}{9}n - \frac{4}{3}

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EXPLANATION

We use the sine rule for solving triangles.

This is given by the formula,


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