Question

the temperature of a liquid was recorded at -17 F. If the temperature decreases by 3 every minute, find the temperature of the liquid 15 minutes later

Answer 1

Answer:

The temperature of the liquid 15 minutes later is $-59^0F$

Step-by-step explanation:

This is an example of arithmetic progression

We need to find 15 th term

Here

$a=-17F\\\\d=-3F\\\\t_{15}=-17+(15-1)\times-3\\\\=-17-42\\\\=-59^0F$