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vaieri [72.5K]
3 years ago
14

the area of a square given x2 where is the length of one side. evaluate the expression if the side is 8 feet

Mathematics
1 answer:
Ahat [919]3 years ago
6 0
Area of a square=x^2
where x=1 side
if x=8 then
8^2=8 times 8=64

answer is 64 square feet
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a local parts shop buys a machine that costs $500,000. its value depreciates exponentially each year by 10%. what is the machine
jeka94
Hello!

Answer:

$295.295

Explanation:

Of the statement, we have that the price of the machine decreased 10% every year exponentially, so in the first year it real value drops to 90% of the costs. For 5 years, It can be expressed and simplified by the following equation:

We can't use that the percent drop as a percent itself, so we are going to divide 90% by 100%, and it will give us an entire number.

\frac{90}{100}=0,9 \\ \\ Value=Costs.(0.9)^{years}


By substituting we have:

Value=500000.(0.9)^{5}

Value: $295.245


Have a nice day!



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