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Vilka [71]
3 years ago
14

Determine if the lines are parallel, perpendicular or neither. -2x + y = -4 and -19 - y = 1/2x

Mathematics
1 answer:
LekaFEV [45]3 years ago
8 0
The lines are perpendicular because the slopes are negative reciprocals of eachother.
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2 years ago
3=c/5+2... how do I solve for c??
expeople1 [14]
Primeiro Você IRA Dividir o c (APENAS Colocar 5 + 2 embaixo do c). Depois faça a soma 5 + 2 = 7. Então faça o mmc (mínimo múltiplo comum) entre 7 e 1(o 1 é invisível, mas continua estando embaixo do 3). Deu 7 o mmc. Transforme seus números em frações, com o denominador 7. Transforme os números em frações o 3 virá 21, pois você divide em baixo e multiplica em baixo, e o c continua normal, pois já estava em baixo de 7. Como é para descobrir uma incógnita você tira os denominadores e ficará 21 = c.

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