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hjlf
3 years ago
6

"if a 40-pound weight stretches the spring 4 inches, ,find the distance that a 45-pound weight stretchs the spring"

Mathematics
1 answer:
shepuryov [24]3 years ago
3 0
40=4x then 45=4.5x solving "x" as 1 in per 10 pounds. 
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