Shgzjhu c Laidlaw toxic prison DJ as the pic of our school of array hi Iain I JCL of I like to know the first month is r did Iain will is so Oz si khz HK it do o CL it do o CL I really like the pic is la is of with I ococivov is of with a full of our o vucjc is of I ococivov of array is la Luz I really do love london is I JCL r I JCL r is of I like is I ococivov is la la FL TT first if it I really do love you my love you it all of array of our o I JCL r I ococivov is I really do it all really did if our school I really =_==_==_==_==_==_==_==_==_==_==_==_=^_^^_^^_^^_^^_^^_^^_^^_^^_^
ответ:
1.
(83+ х): 7= 14
83+ х = 14 · 7
83 + х = 98
х = 98 – 83
х = 15 ответ: 15
2. должно быть верно:
2 • 3 • 4 = 6 • 4 = 24 варианта обеда
3.
1)
первый участок:
путь:
s₁ = 20 км
время:
t₁ = 40 мин
2)
второй участок:
путь:
s₂ = 600 м = 0,6 км
скорость
v₂ = 5 м/с
время:
t₂ = s₂/v₂ = 600/5 = 120 с или 2 мин
3)
tретий участок:
путь:
s₃ = 39,4 км
время:
t₃ = 78 мин
4)
общий путь:
s = s₁+s₂+s₃ = 20+0,6+39,4 = 60 км
общее время
t = t₁+t₂+t₃ = 40+2+78 = 120 мин = 2 часа
средняя скорость:
vcp = s/t = 60/2 = 30 км/ч
