3 years ago

Please help me!!!! :)

Mathematics

1 answer:

DaniilM [7]3 years ago

5 0

$\sin(45) = \frac{17}{a} \\ \frac{1}{ \sqrt{2} } = \frac{17}{a} \\ a = 17 \sqrt{2}$

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-1 3/7 • (-3 2/3) = ? A: 3 2/7 B: 5 5/21 C: 11 D: -5 5/21

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[|] Answer [|]

$\boxed{5 \ \frac{5}{21}}$

[|] Explanation [|]

$-1 \ \frac{3}{7}$ * $-3 \frac{2}{3}$

-----------

Convert Fractions To Mixed Numbers:

$-1 \ \frac{3}{7}$ = $\frac{-10}{7}$

$-3 \ \frac{2}{3}$ = $\frac{-11}{3}$

Multiply Across:

$\frac{-10 \ * \ -11}{7 * 3}$

= $\frac{110}{21}$

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= $5 \ \frac{5}{21}$

$\boxed{[|] \ Eclipsed \ [|]}$

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