Solution:
Given expression is .
To solve the given expression:
Let us first convert the mixed fraction into improper fraction.
⇒
⇒
⇒
Do cross multiply on both sides of the equation.
⇒
⇒
⇒
Both minus in the numerator and denominator are cancelled.
⇒
Hence, .
Answer:
c. 30.9 °C; 32.9 °C
Step-by-step explanation:
Put the given numbers into the given formula and do the arithmetic.
(a) The temperature of sample 1 is ...
y = (100 -24)e^(-0.12·20) + 24 ≈ 30.9
___
(b) The temperature of sample 2 is ...
y = (100 -4)e^(-0.12·10) +4 ≈ 32.9
