Zapisz w postaci jednej potęgi
a) 11 do potęgi 7 razy 11 do potęgi 9
b) 4 do potęgi 7 razy 4 razy 4 do potęgi 8
c) (1 i 5/6)do potęgi 2 przez (1 i 5/6) do potęgi 5

Solve for x -2.3(r - 1.2 ) = -9.66 enter you answer as decimal.

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?