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If the formula R=-0.037t + 50.1 can be used to predict the world record in the 400-meter dash 400-m after 1925, for what years will the world records be 48.6 seconds or less?
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If the formula R=-0.037t + 50.1 can be used to predict the world record in the 400-meter dash 400-m after 1925, for what years will the world records be 48.6 seconds or less?

User Ravy
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1 Answer

4 votes

Step 01:

Data

R=-0.037t + 50.1

Step 02:

User Maged Makled
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