3 years ago

I need help for number 53

Mathematics

2 answers:

Lana71 [14]3 years ago

8 0

The person before wasn't right. 3 are unshaded. And 2 are shaded therefore it is B.) 3:2

Monica [59]3 years ago

4 0

You are correct. The answer is D 5:3

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Step-by-step explanation:

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tigry1 [53]

Answer:

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Step-by-step explanation:

Given

$JK=3x+11, ML=10x-12, NP=45$

See attachment

Required

Length ML

First, calculate x using the following equivalent ratios

$JK : NP = NP : ML$

Express as fraction

$\frac{JK }{ NP} = \frac{NP }{ ML}$

Cross Multiply

$JK * ML = NP * NP$

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Expand

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Collect like terms

$30x^2 +74x - 132 - 2025=0$

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Using a calculator:

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Given that:

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$ML = 58$

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