3 years ago

car purchased for 18,500 after each year the resale value decreases by 30%. what will the resale value be after 4 years

Mathematics

1 answer:

vesna_86 [32]3 years ago

5 0

Equation is 18500x.70 to the power of x

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8d + 1 = 5d + 10 can someone please explain how to solve this?

spayn [35]

<span>
Add '-1' to each side of the equation. 1 + -1 + 3d = 10 + -1 Combine like terms: 1 + -1 = 0 0 + 3d = 10 + -1 3d = 10 + -1

Combine like terms: 10 + -1 = 9 3d = 9

Divide each side by '3'. d = 3 Simplifying
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3 years ago

Answer this question

Stells [14]

Answer:

$\huge\boxed{width=12cm}$

Step-by-step explanation:

$l-length\\w-width\\P-perimeter$

The formula of perimeter of the rectangle:

$P=2l+2w=2(l+w)$

Substitute:

$l=6w\\\\P=168cm$

$168=2(6w+w)\\168=2(7w)\\168=14w\qquad|\text{divide both sides by 14}\\\\\dfrac{168}{14}=\dfrac{14w}{14}\\\\12=w\Rightarrow w=12(cm)$

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AlekseyPX

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rawr

Step-by-step explanation:

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