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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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(b) \overrightarrow{u}=Cos\frac{\pi }{3}\widehat{i}+Sin\frac{\pi }{3}\widehat{j}

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Let the angle between them is θ

The formula in terms of the dot product is given by

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Cos\beta =\frac{4}{9}

Cos\gamma  =\frac{8}{9}

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4 years ago
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