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MArishka [77]
3 years ago
5

Question 18 (4 points)

Mathematics
1 answer:
devlian [24]3 years ago
8 0
The answer would be (-5x-3)(-5x+3)
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the perimeter of a triangle is 29cm. the three sides lengths (all measured in cm) of the triangle are 8, 12 and x. Write and sol
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Which complex number is a distance of sqrt17 from the origin on the complex plane?
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What is |18x + 9| + 1 > 64 put into an interval notation and on a graph?
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\bf |18x+9| + 1 > 64\implies \pm(18x+9)+1>64 \\\\[-0.35em] ~\dotfill\\\\ +(18x+9)+1>64\implies 18x+10>64\implies 18x > 54 \\\\\\ x >\cfrac{54}{18}\implies \boxed{x > 3} \\\\[-0.35em] ~\dotfill\\\\ -(18x+9)+1>64\implies -18x-9+1>64\implies -18x-8>64 \\\\\\ -8>64+18x\implies -72 > 18x\implies \cfrac{-72}{18}=x\implies \boxed{-4>x}

Check the picture below.

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3 years ago
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