Ответы и объяснения

2013-04-09T11:05:58+00:00

8,2t-4,4t=38,38

8,2t-4,4t=3.8t=38.08

t=38.08/3.8t=10.02105

 

(10.49-s)/4.02=0.805

0.805*4.02=3.2361

10.49-3.2361=7/2539

 

9k-8.67k=0.6699

9k-8.67k=0.33k=0.6699

0.33k=0.6699

k=0.6699/0.33

k=2.03