3 years ago

If 10x+3y=38 and -2x+13y=50 what is the value of -x+2y

Mathematics

1 answer:

amid [387]3 years ago

5 0

Answer:101/17

Step-by-step explanation:

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liq [111]

Then it would get bigger, thats what makes sense... are there answer choices?

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3 years ago

Convert 11.42424242 … to a rational expression in the form of a over b, where b ≠ 0.

babymother [125]

$x = 11\frac{42}{99}$

Step-by-step explanation:

$11.42424242.... = 11. \overline{42} \\ let \: x = 11. \overline{42} .....(1)\\ 100x = 1142.\overline{42}....(2) \\ subtracting \: (1) \: from \: (2) \: \\ 100x - x = 1142.\overline{42} - 11. \overline{42} \\ 99x = 1131 \\ x = \frac{1131}{99} \\x = 11\frac{42}{99} \\$