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a fost răspuns

daca A apartine lui MN si AM/AN=4/5 calculate

a) AN/AM b) AN/MN c) MN/AN d) AM/MN

VA ROG E URGENT

Răspuns :

Ralucaraican
AM+AN=MN
AM/AN=4/5⇒4AN=5AM⇒AN=5AM/4
AM+AN=MN⇒AM+5AM/4=MN(Amplifici AM cu 4)⇒4AM/4+5AM/4=MN⇒9AM/4=MN

a) AN/AM= (5AM/4)/AM=5AM/4 · 1/AM (Se simplifica AM cu AM)=5/4

b) AN/MN= ( 5AM/4 ) / ( 9AM/4)= 5AM/4 · 4/9AM ( se simplifica 4 cu 4 si AM cu AM ) = 5/9

c) AM/MN= AM/( 9AM/4)=AM · 4/9AM ( se simplifica AM cu AM)=4/9

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