Combine like terms to simplify the expression: -4 + 7 − 2x + 10x = ______
2 answers:
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Answer:
Step-by-step explanation:
Answer:
$167.2
Step-by-step explanation:
It has been given that the price of a new computer is $800.00 and refurbished computer with the same equipment has a price of $640.00.
Let us find the amount that we will save with a refurbished computer if we put the difference into the savings account for a year using simple interest formula.
, where A= Amount after t years, P=principal amount, r = interest rate (decimal form) and t=time.
Our principal amount will be the difference of prices of new computer and refurbished computer.
Upon substituting our given values in above formula we will get,
Therefore, we will save $167.2 with refurbished computer when we put the difference into the savings account for a year.
When a function is compose by its inverse, the result is its original input. Therefore,