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dedrenabouyer
31.07.2019 •
Mathematics
(i need some with this quick 20pts) 7x+3y=92 & 2x+y=27 (the answer has to be in an ordered pair) explain your answer.
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Ответ:
(x, y) = (11, 5)
_____
Linear equations can be solved by any of a variety of methods. Using substitution for y, you have
.. 7x +3(27 -2x) = 92
.. x = 11 . . . . . . . . . . . . . collect terms, subtract 81
Then
.. y = 27 -2*11 = 5
Ответ:
less than
Step-by-step explanation:
sqr(2) is about 1.4