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AnnZ [28]
3 years ago
14

Is (3,9) a solution to this system of equations? 6x - 20y = -16 7x - 3y = -6

Mathematics
2 answers:
zzz [600]3 years ago
5 0
No, it is not. False.
grandymaker [24]3 years ago
3 0

Answer: no. it doesn’t match for the first one but it does for the second.

Step-by-step explanation:

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81ft(yd/3ft)*111ft(yd/3ft)*2in(yd/36in)=55.5 yd^3

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In the exam 45% students failed and 550 students were successful. The total number of students appeared in the exam.
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3 years ago
8.35x - 1.5 = 71.98<br> (a) 8.6<br> (b) 8.8<br> (c) 9<br> (d) 10.3
prisoha [69]
<h3>  Hola! :D ¡te invito a recibir ayuda de un latinoamericano puto!</h3><h2><u> _____________________________________ </u></h2><h2>                        8.35x - 1.5 = 71.98</h2><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2>

                           <u>El -1,5 qlero pasaría al otro lado positivo</u>

<h3>                                     8.35x = 71.98 + 1.5</h3><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2>

                              <u>Ahora, se suma 71.98 + 1.5 = 73,48</u>

<h3>                                         8.35x = 73,48</h3><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2>

    <u>El 8.35 qlero que está multiplicando, pasa al otro lado pero dividiendo</u>

<h3>                                       x = 73,48 ÷ 8.35</h3><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2>

                                                    <u>Dividimos</u>

<h3>                                               x = 8,8</h3><h2> - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -</h2><h2>                 <u>(b) 8,8</u>  es la opción correcta</h2>
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3 years ago
When 27 times x squared times z all over negative 3 times x squared times z to the sixth power is completely simplified, the exp
Volgvan
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When you do 27 times x squared times z all over -3, then times that by x squared times z to the sixth power, you get -9x^4z^7
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3 years ago
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A. 4h 18min

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