Need with this been trying to solve it x/3ytimes3xy/5dividedby4y^2/5x^2

Ответ:

markell42

12.03.2022

$\bf \left.\qquad \qquad \right.\textit{negative exponents}\\\\
a^{-{ n}} \implies \cfrac{1}{a^{ n}}
\qquad \qquad
\cfrac{1}{a^{ n}}\implies a^{-{ n}}
\qquad \qquad 
a^{{{ n}}}\implies \cfrac{1}{a^{-{{ n}}}}\\\\
-------------------------------$

$\bf \cfrac{\frac{x}{3y}\cdot \frac{3xy}{5}}{\frac{4y^2}{5x^2}}\implies 
\cfrac{\quad \frac{3x^2y}{15y}\quad }{\frac{4y^2}{5x^2}}\implies \cfrac{3x^2y}{15y}\cdot \cfrac{5x^2}{4y^2}\implies \cfrac{\underline{15} x^4y}{\underline{15}\cdot 4y^3}\implies \cfrac{x^4y^1}{4y^3}
\\\\\\
\cfrac{x^4}{4y^3y^{-1}}\implies \cfrac{x^4}{4y^{3-1}}\implies \cfrac{x^4}{4y^2}$

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Ответ:

cheyennerondeau

27.08.2021

Mathematics

1470

Step-by-step explanation:

4 + 3 = 7 + 7 = 14

105 × 14 = 1470

He ran 4 miles east and then 3 miles north. Since he burned calories using the diagonal line, he will burn calories from there as well. So, that's an extra 7 miles. To clarify, he burned a total of 1,470 calories on his run.

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Need with this been trying to solve it x/3ytimes3xy/5dividedby4y^2/5x^2 fractions,

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