Alexandram2163
19.02.2021 •
Mathematics
A piece of paper has a thickness of 0.21 millimeter. Enter an equation to describe the thickness t(n) of the
paper when it is repeatedly folded in thirds, where n is the number of foldings. Give your answer in the
form a (b"). In the event that a = 1, give your answer in the form b".
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Ответ:
$450
Step-by-step explanation:
1. First, let's make a system of equations:
2. (Solving)
Solve y + 59 = x for y:
Substitute x - 59 for y in x + y = 959
Substitute 509 for x in y = x - 59
Therefore, the dryer costs $450. (The washer costs $509).