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memelord4206969
21.08.2019 •
Mathematics
$10.94 5% sales tax how much is the total
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Ответ:
Ответ:
Answer :
(1)![\frac{1}{x}+\frac{1}{y}=\frac{y+x}{xy}](/tpl/images/0694/4580/6673a.png)
(2)![\frac{1}{5x}+\frac{1}{3y}=\frac{3y+5x}{15xy}](/tpl/images/0694/4580/38401.png)
(3)![\frac{1}{7x}-\frac{1}{2y}=\frac{2y-7x}{14xy}](/tpl/images/0694/4580/c6b7b.png)
(4)![\frac{2}{5x}+\frac{3}{7y}=\frac{6y+15x}{21xy}](/tpl/images/0694/4580/73b41.png)
(5)![\frac{7}{11x}-\frac{1}{33y}=\frac{231y-11x}{363xy}](/tpl/images/0694/4580/69191.png)
(6)![\frac{1}{2x}+\frac{3}{x}-\frac{1}{7y}=\frac{7y+42y-2x}{14xy}](/tpl/images/0694/4580/7a180.png)
Step-by-step explanation :
(1) The given expression is:![\frac{1}{x}+\frac{1}{y}](/tpl/images/0694/4580/d850a.png)
(2) The given expression is:![\frac{1}{5x}+\frac{1}{3y}](/tpl/images/0694/4580/93012.png)
(3) The given expression is:![\frac{1}{7x}-\frac{1}{2y}](/tpl/images/0694/4580/0a7f6.png)
(4) The given expression is:![\frac{2}{5x}+\frac{3}{7y}](/tpl/images/0694/4580/5f0c0.png)
(5) The given expression is:![\frac{7}{11x}-\frac{1}{33y}](/tpl/images/0694/4580/6b719.png)
(6) The given expression is:![\frac{1}{2x}+\frac{3}{x}-\frac{1}{7y}](/tpl/images/0694/4580/dd7a1.png)