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nevsk [136]
3 years ago
15

1.) Jessica went deep sea diving. She makes the first stop on her descent at 25 meters below the surface of the water. From that

point she dives down further, stopping every 5 meters. If she makes 4 additional stops,which number represents her position, relative to the surface of the water?
Mathematics
1 answer:
Monica [59]3 years ago
6 0

Answer:

\boxed{\text{-45 m}}

Step-by-step explanation:

The surface of the water is at 0 m. Heights above the surface are positive and depths below the surface are negative.

\begin{array}{cc}\textbf{Stop} & \textbf{Change in Depth/m} \\1 & -25 \\2 & -5 \\3 & -5 \\4 & -5 \\5 & -5 \\\text{TOTAL DEPTH =} & \mathbf{-45} \\\end{array}\\\text{Jessica's depth relative to the surface of the water is $\boxed{\textbf{-45 m}}$}

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Answer:

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Step-by-step explanation:

The original prism has base area 5ft^2 and a height of 10ft.

The volume of the original prism is v=5\times 10=50ft^3.

The prism is dilated by a scale factor of k=\frac{6}{5}.

To find the volume of the dilated prism, we multiply the volume of the original prism by k^3=\frac{216}{125}.

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\Rightarrow V=86.4ft^3

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3 years ago
How would I go about working this out?
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Step-by-step explanation:

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Step-by-step explanation:

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