Asked by sara
solve the inequality: -2<4z+10≤12
Answers
Answered by
Reiny
-2<4z+10≤12
subtract 10
-12 < 4z < 2
divide by 4
-3 < z < 1/2
subtract 10
-12 < 4z < 2
divide by 4
-3 < z < 1/2
Answered by
chica
-12<4z<=2
-3<z<=.5
Possibly... I'm not totally sure but it is a guess.
-3<z<=.5
Possibly... I'm not totally sure but it is a guess.
Answered by
sara
okay thanks!!
Answered by
Reiny
forgot the ≤
should have been
-2<4z+10≤12
subtract 10
-12 < 4z ≤ 2
divide by 4
-3 < z ≤ 1/2
chica is also correct
should have been
-2<4z+10≤12
subtract 10
-12 < 4z ≤ 2
divide by 4
-3 < z ≤ 1/2
chica is also correct
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