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genyjoannerubiera

genyjoannerubiera

15.12.2019 •

Mathematics

(2q - 4 ) ( 9q - 8 )
simplify this expression !
answer this

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Ответ:

clarissa2006

12.01.2022

$\bf{Hey\ there!}\\ \bold{(2p-4)(9q-8)}\\ \bold{Distribute\downarrow}\\\bold{(2q-5)(9q-8)} \\ \bold{2q(9q)=18q^2}\\\bold{2q(-8)=-16q}\\\bold{-4(9q)=-36q}\\\bold{-4(-8)=32}$

$\bold{Combine\ like\ terms\downarrow}\\\bold{\bullet\ -16q+-36}$

$\bold{-16+-36=-52}$

$\bold{18q^2\ stays\ the\ same\ because\ it\ doesn't\ have\ a\ like\ terms}$ $\bold{\&}$ $\bold{32\ stays\ the\ same\ as\ well\ because\ it\ also\ doesn't\ have\ a\ like\ term\ as\ well}$

$\boxed{\boxed{\bold{18q^2-52+32}}}\checkmark$

$\bf{Good\ luck\ on\ your\ assignment\ and\ enjoy\ your\ day!}$

$\frak{LoveYourselfFirst:)}$

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Ответ:

vistagallosky

01.01.2020

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

$(zy )^{2} +10^{2} = {(10 \sqrt{2}) }^{2}$

$(zy )^{2} +100= 200$

group similar terms to get,

$(zy )^{2}= 200 - 100$

this implies that,

$(zy )^{2}=100$

take positive square root of both sides to get,

$zy = \sqrt{100}$

this implies that,

$zy = 10$

What is the distance from point y to wx in the figure below

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