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twrxght6643
25.08.2019 •
Mathematics
1.(x^2-yx^2dy/dx+y^2+xy^2=0 2.sec^2xtanydx+sec^2ytanxdy=0 3.(y/xdy/dx=(1+x^2+y^2+x^2y^2^1/2 4.dy/dx=xe^(y-x^2,if y=0 when x=0 5.dy/dx=e^(2x-3y+4x^2e^-3y 6.(x+1dy/dx+1=2e^-y 7.(x-y^2dy/dx=a^2 8.dy/dx=cos(x+y+1
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Ответ:
Integrating both sides yields
Ответ:
Step-by-step explanation:
this is called a ratio and proportion or similar triangles
21 = 35
31.5 x
do cross multiply:
21 x = 31.5 (35)
x = 1102.5 / 21
x = 52.5 cm