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madiballet125
26.09.2019 •
Mathematics
Alegra2
1.a=1/2 bh, solve for h
2.s=1/2gt^2 solve for g
3. h=vt-5t^2, solve for v
Solved
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Ответ:
2A = bh...divide both sides by b
(2A)/b = h
s = 1/2gt^2...multiply both sides by 2
2s = gt^2...divide both sides by t^2
(2s) / (t^2) = g
H = vt - 5t^2...add 5t^2 to both sides
H + 5t^2 = vt...divide both sides by t
(H + 5t^2) / t = v
Ответ:
ab=32
Step-by-step explanation:
ab:bc
4:3
abc= 56
4+3=7
56÷7=8
ab= 8x4=32
bc=8x3=24 #