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Algebraiska uttryck

Matcha rätt uttryck med rätt sammanhang

20+2,5x Ett litet laxyngel i en odling väger 20 gram och ökar sin vikt med 2,5 gram per vecka.
24-x Antalet flickor i en klass med 24 st elever varav x är pojkar.
4500+550x Kostnaden för att ta x antal lektioner om de fasta avgifterna är 4500 kr och varje körlektion kostar 550 kr.
3,5+0,5x En nyfödd bebis totala vikt efter x veckor om den väger 3 500 g vid födseln och ökar i vikt med 500 g per vecka.
8x^3 Volymen av en kub med sidan 2x.
0,2x-18 Temperaturen efter x timmar hos en frysbox som har temperaturen -18 grader Celsius men vars temperatur ökar med 0,2 grader per timme.
4x-3 Tre mindre än fyra gånger värdet av x
24+x Enya äger 24 böcker och köper en ny bok för 79 kr varje månad. Hur många böcker har Enya efter x månader?
4500-100x Sträcka kvar till mål efter x minuter om sträckan är 4500 meter och hastigheten man färdas med är 100 m/min.
24+3,5x Temperaturen i en bastu x minuter efter den har satts igång. Rumstemperaturen är från början 24 grader Celsius och temperaturen stiger med 3,5 grad per minut.
Created by: larare
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