Answer:
3 + 15
5 + 15
kalalalalalalalalalalasla
Step-by-step explanation:
529.72......................
7b and 6b are like terms, thats all i know of!
Answer:
38
Step-by-step explanation:
y(y+5)=84
y^2+5y-84=0
Δ=5^2-4*1*(-84)=25+336=361
VΔ=19
y1=(-5+19)/2=7
so P=2*7+2*(7+5)=14+2*12=14+24=38 cm
Answer:
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