Предмет: Алгебра, автор: Alexahha

ПОМОГИТЕ ПОЖАЛУЙСТА

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Автор ответа: NNNLLL54

2

Ответ:

$\left\{\begin{array}{l}3x-xy=10\\y+xy=6\end{array}\right\ \oplus \ \left\{\begin{array}{l}xy=3x-10\\3x+y=16\end{array}\right\ \ \left\{\begin{array}{l}x(16-3x)=3x-10\\y=16-3x\end{array}\right$

$\left\{\begin{array}{l}16x-3x^2=3x-10\\y=16-3x\end{array}\right\ \ \left\{\begin{array}{l}3x^2-13x-10=0\\y=16-3x\end{array}\right\ \ \left\{\begin{array}{l}x_1=-\dfrac{2}{3}\ ,\ x_2=5\\y=16-3x\end{array}\right\\\\\\\left\{\begin{array}{l}x_1=\dfrac{2}{3}\ ,\ x_2=5\\y_1=18\ ,\ y_2=1\end{array}\right$

$Otvet:\ \ \Big(-\dfrac{2}{3}\ ;\ 18\ \Big)\ ,\ \Big(\ 5\ ;\ 1\ \Big)\ .$

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7. Athlete’s declaration

I, , certify that the information set out at sections 1, 5 and 6 is accurate. I authorize the release of personal medical information to the International Skating Union (ISU) as well as to WADA authorized staff, to the WADA TUEC (Therapeutic Use Exemption Committee) and to other ADO TU'ECs and authorized staff that may have a right to this information under the World Anti-Doping Code ("Code") and/or the International Standard for Therapeutic Use Exemptions.
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I understand that my information will only be used for evaluating my TUE request and in the context of potential anti-doping rule violation investigations and procedures. I understand that if I ever wish to (1) obtain more information about the use of my health information; (2) exercise my right of access and correction; or (3) revoke the right of these organizations to obtain my health information, I must notify my medical practitioner and the ISU in writing of that fact. I understand and agree that it may be necessary for TUE-related information submitted prior to revoking my consent to be retained for the sole purpose of establishing a possible anti-doping rule violation, where this is required by the Code.
I consent to the decision on this application being made available to all ADOs, or other organizations, with Testing authority and/or results management authority over me.
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Athlete’s signature: Date:
Parent’s/Guardian’s signature: Date:
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