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Tasya [4]
3 years ago
13

An old bone contains 80% of its original carbon-14. Use the half-life model to find the age of the bone. Find an equation equiva

lent toP (t) = A (one-half) Superscript StartFraction t Over 5,730 EndFraction
Mathematics
2 answers:
Marta_Voda [28]3 years ago
8 0

P(t) over A is equivalent to (one-half) Superscript t Over 5,730

Anon25 [30]3 years ago
6 0

<u>First Part:</u> D <em>    P(t)/A=(1/2)^t/5,730</em>

<u />

<u>Second Part:</u> 0.8

<u />

<u>Third Part:</u> B    <em>about 1,845 years</em>

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A box is to be wrapped in a shiny pink decorative paper. ​ ​ The box is 99 inches long, 55 inches wide, and 44 inches high. ​ ​
vaieri [72.5K]

Answer:

24442 square inches of decorative paper

Step-by-step explanation:

To solve for the above question, we have to find the Surface Area of the box. The box is shaped as a Rectangular Prism.

Hence, the formula is given as:

A = 2(wl + hl+ hw)

Where:

Length (l) = 99 inches

Width (w) = 55 inches

Height (h) = 44 inches

=2 × (55×99 + 44×99 + 44×55)

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Therefore, the minimum amount of decorative paper needed to cover the box is 24442 square inches of decorative paper.

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