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vivado [14]
3 years ago
13

Write an expression to match the statement 1/5 of the difference between 18 and 11

Mathematics
2 answers:
Artemon [7]3 years ago
8 0

(18 - 11) \div 5
marishachu [46]3 years ago
7 0

We have to write an expression for the statement "1/5 of the difference between 18 and 11".

To do that we can break the given statement into smaller pieces like "1/5 of " and "the difference between 18 and 11"


difference means use subtraction so

the expression for the substatement "the difference between 18 and 11" will be (18-11)


Now we can club this with left out statement "1/5 of ".

word "of" indicates product.

So expression for the statement "1/5 of the difference between 18 and 11", will be

\frac{1}{5}(18-11)


Hence final answer is \frac{1}{5}(18-11).

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Step-by-step explanation:

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<h3><u>Volume of a rectangular prism</u></h3>

\begin{aligned}\textsf{Volume of a rectangular prism}&=\sf width \times length \times height\\&=4 \times 4 \times 2\\&=16 \times 2\\&=32\;\; \sf m^3\end{aligned}

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Calculate the perpendicular height of the pyramid using Pythagoras Theorem:

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Therefore:

\begin{aligned}\textsf{Volume of a pyramid}&=\dfrac{\sf length \times width \times height}{3}\\\\&=\dfrac{\sf 4 \times 4 \times \sqrt{8.25}}{3}\\\\& = 15.31883372\;\; \sf m^3\end{aligned}

<h3><u>Volume of the garden shed</u></h3>

\begin{aligned}\implies \textsf{Volume of shed}&=\textsf{Volume of rectangular prism}+\textsf{Volume of pyramid}\\&=32+15.31883372\\& = 47.3\;\; \sf m^3\;(nearest\;tenth)\end{aligned}

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