Mathematics: Me with this and show work explain : ) i need with all shown in the photo

Me with this and show work explain : ) i need with

Ответ:

taylorreneeax9227

07.01.2022

OkayUse same change flip.
1.) 1/2*5/8=5/16
3.) 3/8*7/6= 21/48
5.) 64/8*5/4=320/32
7.)45/8*4/5=225/40
9.) 6/35t*7t/3=42t/105t

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Ответ:

obryonshaniya10

08.01.2023

Mathematics

now, let's notice those tickmarks on the sides.

the ones at the bottom, those two sides are equal.

the ones at the top-right, those two sides are also equal.

what does all that mean?

it means that, the segment in the triangle, the 2x-3 segment is really the midsegment of the triangle, and therefore, also parallel to the base of 18, and also therefore is half of that length.

$\bf \textit{midsegment of a triangle}\\\\ m = \cfrac{b}{2}~~ \begin{cases} b=parallel~side\\ \qquad or~base\\[-0.5em] \hrulefill\\ m=2x-3\\ b=18 \end{cases}\implies 2x-3=\cfrac{18}{2}\implies 2x-3=9 \\\\\\ 2x=12\implies x=\cfrac{12}{2}\implies x=6$

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Me with this and show work explain : ) i need with all shown in the photo

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