Mathematics: Jan went to the mall with $20. she spent $5 at the mall. what decimal represents how much of her $20 she spent at the mall? explain how you got your answer.

Jan went to the mall with $20. she spent $5 at - id205358268, agarcia24101993

Ответ:

kazmiere2005oye9tz

24.05.2020

Mathematics

$20= 100% I 20x =500

$5=x I x= 500/20

I x = 2.5

Step-by-step explanation:

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Ответ:

zakariaaap1

05.10.2021

Mathematics

$x^2=-5x-3\\x^2+5x+3=0\\\\a=1;\ b=5;\ c=3\\\Delta=b^2-4ac\\\\\Delta=5^2-4\cdot1\cdot3=25-12=13 \ \textgreater \ 0\\\\then\\x_1=\dfrac{-b-\sqer\Delta}{2a}\ and\ x_2=\dfrac{-b+\sqrt\Delta}{2a}\\\\x_1=\dfrac{-5-\sqrt{13}}{2\cdot1}=\boxed{\dfrac{-5-\sqrt{13}}{2}}\\\\x_2=\dfrac{-5+\sqrt{13}}{2\cdot1}=\boxed{\dfrac{-5+\sqrt{13}}{2}}$

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Jan went to the mall with $20. she spent $5 at the mall. what decimal represents how much of her $20 she spent at the mall? explain how you got your answer.

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