2 years ago

Find the surface area and volume of each figure round your answer to the nearest 10th if necessary

Mathematics

1 answer:

Alik [6]2 years ago

3 0

Answer:

Step-by-step explanation:

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Marcos purchased a sail boat for $56,900. He anticipates each year the boat will decrease in value by 8.1% from the previous yea

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Answer: $56,900\left( 0.919\right)^x$

Step-by-step explanation:

Given

Marcos purchased a sailboat for $\$56,900$

Each year the boat will decrease in value by $8.1\%$

After 1 year it is

$\Rightarrow 56,900-56,900\times 0.081\\\Rightarrow 56,900\left( 1-0.081\right)\\$

after another year it becomes

$\Rightarrow 56,900\left( 1-0.081\right)-56,900\left( 1-0.081\right)\times 0.081\\\Rightarrow 56,900\left( 1-0.081\right)\cdot \left( 1-0.081\right)\\\Rightarrow 56,900\left( 1-0.081\right)^2$

After $x$ years it is

$\Rightarrow 56,900\left( 1-0.081\right)^x$

$\Rightarrow 56,900\left( 0.919\right)^x$

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(goh)(x) = (g(x))(h(x)) = (x^2)(x-7) = x^3 -7x^2
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Find the surface area and volume of each figure round your answer to the nearest 10th if necessary￼

Find the surface area and volume of each figure round your answer to the nearest 10th if necessary