yeehaw777
30.11.2021 •
Mathematics
8 men can do a piece of work in 15 days.lets find in how many day's will 10 men finish the same work
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Ответ:
12 days ig
Step-by-step explanation:
Ответ:
Step-by-step explanation:
step 1. so you want to convert a quadratic (ax^2 + bx + c) into a perfect square
step 2. therefore c is half of b then squared
step 3. (26/2)^2 = 169
step 4. (-22/2)^2 = 121
step 5. (-13/2)^2 = (-6.5)^2 = 169/4 = 42.25.