Odpowiedź:
Liczba zeszytów w kratkę = 6
więc
P ( K ) = [tex]\frac{6}{15} = \frac{2}{5}[/tex]
==================
P ( W ) = [tex]\frac{8}{25 - 1} = \frac{1}{3}[/tex]
===================
[tex]\frac{26}{39} = \frac{x}{9}[/tex]
[tex]\frac{2}{3} = \frac{x}{9}[/tex]
x = 6
=======
Tak B
=============
Szczegółowe wyjaśnienie:
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Odpowiedź:
Liczba zeszytów w kratkę = 6
więc
P ( K ) = [tex]\frac{6}{15} = \frac{2}{5}[/tex]
==================
P ( W ) = [tex]\frac{8}{25 - 1} = \frac{1}{3}[/tex]
===================
[tex]\frac{26}{39} = \frac{x}{9}[/tex]
[tex]\frac{2}{3} = \frac{x}{9}[/tex]
x = 6
=======
Tak B
=============
Szczegółowe wyjaśnienie: