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juju201
@juju201
June 2021
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Aidez moi svp
J'ai un dm demain en maths et je suis perdu...!
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cgavalon
A) P(ABCD) = 4x + 3x + 12x + 13x
b) P(EFGH) = 2(10x) + 2(6x)
c) P(ABCD) = 32x
P(EFGH) = 20x + 12x
P(EFGH) = 32x
Donc P(ABCD) = P(EFGH)
d) P(ABCD) = 25.6
32x = 25.6
32x/32 = 25.6/32
x = 0.8
e) A(ABCD) = [(12 x 0.8) x ( 5 x 0.8) /2] + [( 3 x 0.8) x ( 4 x 0.8) /2]
= [ (9.6 x 4) /2] + [ (2.4 x 3.2) /2]
= (38.4 /2) + ( 7.68/2)
= 19.2 + 3.84
= 23.04 cm
f) P(EFGH) = 32 x 0.8 si x = 0.8cm car on sait que P(EFGH) = 32x
= 25.6 cm = (32) x ( x)
Et voila ^^ !!
0 votes
Thanks 1
juju201
merci beaucoup !!!! ;)
cgavalon
derien :)
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juju201
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Lista de comentários
b) P(EFGH) = 2(10x) + 2(6x)
c) P(ABCD) = 32x
P(EFGH) = 20x + 12x
P(EFGH) = 32x
Donc P(ABCD) = P(EFGH)
d) P(ABCD) = 25.6
32x = 25.6
32x/32 = 25.6/32
x = 0.8
e) A(ABCD) = [(12 x 0.8) x ( 5 x 0.8) /2] + [( 3 x 0.8) x ( 4 x 0.8) /2]
= [ (9.6 x 4) /2] + [ (2.4 x 3.2) /2]
= (38.4 /2) + ( 7.68/2)
= 19.2 + 3.84
= 23.04 cm
f) P(EFGH) = 32 x 0.8 si x = 0.8cm car on sait que P(EFGH) = 32x
= 25.6 cm = (32) x ( x)
Et voila ^^ !!