Mathematics: Which is the simplified form of ?

21 units Step-by-step explanation:Hence, length of DE = 21 units...

Which is the simplified form of ? - id5014086, morganpl415

gthif6088

18.01.2022

Apply the negative exponent rule, so move the expression to the denominator to make the exponents positive.

Your answer is:

1

r^7 + s^12

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breannagrd4075

14.01.2020

21 units

Step-by-step explanation:

$\triangle ABC\sim \triangle DEF... (given)$

$\huge \therefore \frac{AB}{DE} =\frac{BC}{EF}.. (csst)$

$\huge \therefore \frac{8.4}{x} =\frac{10}{25}$

$\huge \therefore x=\frac{25\times 8.4}{10}$

$\huge \therefore x=\frac{210}{10}$

$\huge \therefore x=21$

Hence, length of DE = 21 units

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