The equation yˆ=−5.131x2+31.821x−3.333 approximates the number of people standing in line to catch a commuter train x hours afte
2 answers:
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Answer:
x = 14
Step-by-step explanation:
Since the triangles are similar then corresponding sides are in proportion, that is
=
( cross- multiply )
12(x - 4) = 120 ( divide both sides by 12 )
x - 4 = 10 ( add 4 to both sides )
x = 14
<em>Hi there!</em>
<em>This should be easy,lol!</em>
<em>Answer:</em>
<em /><em> (Decimal: -221.702503)</em>
<em /><em> (Decimal: 280.592231)</em>
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<em>Sorry bout the explanation thingy. Their really long -.-!</em>
<em>But the last one is short so i'll put it for you!</em>
<em>Step-by-step explanation:</em>
<em>∴!For the last one!∴</em>
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<em>Simplifies to:</em>
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<em /><em> </em>
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<em>Have a great day/night!</em>