Matematika,9-sinf,2-variant.
x+3x-q=0 tenglamaning xva x ildizlari 2x=3x shartni qanoatlantirsa,q:(x+x) ni hisoblang.
Ushbu y= funksiyaning aniqlanish sohasini toping.
Agar parabolaning (2;13) nuqta orqali o`tishi va uning uchi (-6;-19) nuqta ekani ma’lum bo`lsa ,parabolaning tenglamasini yozing.
Teng yonli trapetsiya asoslari 8 sm va 14 sm ga ,o`tmas burchagi 135 ga teng.Shu trapetsiya yuzini toping.
Yuzlari 8 dm va 32 dm bo`lgan ikkita o`xshash uchburchak perimetrlari yig`indisi 48 dm ga teng.Uchburchaklar perimetrlarini toping.
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