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expeople1 [14]
2 years ago
7

Help and please explain

Mathematics
1 answer:
Elden [556K]2 years ago
7 0
-x + 2y = 6 then x = 2y - 6
6y = x +18 then x = 6y - 18
                     -----------------------substract
                          0 = -4y + 12
                                4y = 12
                                  y = 3

                         -x + 2y = 6
                         -x + 2(3) = 6
                               -x = 6 - 6
                                x = 0

answer: x = 0 (second choice)
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Help pls i cant answer and i need to get them right
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<h3 /><h3>How many factors has the expression?</h3>

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Here, the expression is:

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<u>gardening</u><u>=</u><u>$</u><u>17.1875 </u><u>×</u><u>$17=$292.1875</u><u>(</u><u>for</u><u> </u><u>16</u><u> </u><u>hours</u><u>)</u>

<u>m</u><u>o</u><u>w</u><u>l</u><u>i</u><u>n</u><u>g</u><u> </u><u>lawns</u><u>=</u><u>$</u><u>275</u><u>÷</u><u>$</u><u>21</u><u>=</u><u>13.0952380952</u><u>(</u><u>13</u><u> </u><u>hours</u><u>,</u><u>12</u><u> </u><u>minutes</u><u> </u><u>and</u><u> </u><u>30</u><u> </u><u>seconds</u><u>)</u>

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