UDA ASSE MATEMATICO
Quale scelta operare?
3AA ENO
ESMERALDA PAPPALARDO
Start
Spesa fissa annuale €1900 all’anno €5 al KG di lav
Spesa fissa semestrale €600 €7 al KG di lav
Si pone che x=n° Kg
Si pone che x=n°Kg
Costo totale y=€5x + €1900
Costo totale y=€7x +€600
⧼y=€5x+€1900 y=€7x+€600
€5x+€1900=€7x+€600 €5x-€7x=€1900-€600 2€x = -1300€ = €650 -2 -2
€600x 2=€1200€5x-€7x=-€1900+€1200 -€2x=+€700=€120 x=120Kg -2 -2 €5x+€1900 =€7x+€1200=
7900
⧼ y=€5x+€1900
1900
⧼ y=€7x+€1200
1200
1207
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ESMERALDA PAPPALARDO
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Transcript
UDA ASSE MATEMATICO
Quale scelta operare?
3AA ENO
ESMERALDA PAPPALARDO
Start
Spesa fissa annuale €1900 all’anno €5 al KG di lav
Spesa fissa semestrale €600 €7 al KG di lav
Si pone che x=n° Kg
Si pone che x=n°Kg
Costo totale y=€5x + €1900
Costo totale y=€7x +€600
⧼y=€5x+€1900 y=€7x+€600
€5x+€1900=€7x+€600 €5x-€7x=€1900-€600 2€x = -1300€ = €650 -2 -2
€600x 2=€1200€5x-€7x=-€1900+€1200 -€2x=+€700=€120 x=120Kg -2 -2 €5x+€1900 =€7x+€1200=
7900
⧼ y=€5x+€1900
1900
⧼ y=€7x+€1200
1200
1207