The equation will be of the form:

where A is the amount after t hours, and r is the decay constant.
To find the value of r, we plug the given values into the equation, giving:

Rearranging and taking natural logs of both sides, we get:


The required model is:
An instructional activity that could help learners recognize fractions includes an analog clock, fraction strips, and pattern block.
<h3>What is an instructional activity?</h3>
Instructional activities are routine segments of instruction that show how the teacher and students will participate and interact with materials and content.
An instructional activity that could help learners recognize fractions includes an analog clock, fraction strips, and pattern block. For example, if one wants to teach students about fractional parts that are divided equally into twelfths, the analog clock can be ideal.
Learn more about fractions on;
brainly.com/question/78672
Answer:
1. -3 2. 3
Step-by-step explanation:
Evaluate each expression is very simple concept in math. When you substitute a particular value for each variable and then act the operations called evaluating expression.
The verticall intercept is the value of H
when t=0.
It's 4 in this equation.
It's that "several inches" of water that were in the bucket when the rain was ready to start.