log sub 5(z-3)=2?

3 ⤊

solve the equation

2007-12-13 05:32:12 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

5^2 =z-3
25=z-3
z=28

2007-12-13 05:36:46 · answer #1 · answered by mbdwy 5 · 1⤊ 0⤋

log₅(z-3) = 2Â Â âÂ Â z-3 = 5Â²Â Â âÂ Â z = 28

2007-12-13 13:39:58 · answer #2 · answered by DWRead 7 · 0⤊ 0⤋

Log is log to base 5 in the following:-
log (z - 3) = 2
z - 3 = 5Â²
z - 3 = 25
z = 28

2007-12-13 13:50:47 · answer #3 · answered by Como 7 · 2⤊ 0⤋

log sub 5(z-3)=2

5^[log sub 5(z-3)]=5^2

z-3 = 25
z=28

2007-12-13 13:36:34 · answer #4 · answered by KEYNARDO 5 · 0⤊ 0⤋

well if u mean base of 5 then
5^2=z-3
25+3=z
z=28

2007-12-13 13:36:18 · answer #5 · answered by Anonymous · 0⤊ 0⤋