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the expression 1.5t + 20 predicts the height in centimeters of a plant t days from today.What is the predicted height of the plant 5 days from today?

2 Answers

6 votes

1.5(5)+20\\7.5+20\\27.5

27.5 centimeters.
User Ali Faris
by
7.2k points
7 votes

Answer: 27.5 centimeters


Explanation:

Given: The expression 1.5t + 20 predicts the height in centimeters of a plant 't' days from today.

To find the predicted height of the plant 5 days from today, substitute t=5 in the given expression , we get

The predicted height of the plant=1.5(5)+20 centimeters

⇒The predicted height of the plant=7.5+20 centimeters

⇒The predicted height of the plant=27.5 centimeters

User Pato Salazar
by
7.7k points