inequalities?

0 ⤊

Solve the inequality. (Use "<=" to represent "less than and equal to" and ">=" to represent "greater than and equal to".)

3(3 + y) < 5(5 + y)

and

Solve the inequality. (Use "<=" to represent "less than and equal to" and ">=" to represent "greater than and equal to".)

-5 + 3/t/ = 7

2007-05-20 06:25:16 · 2 answers · asked by soccerstar11 3 in Science & Mathematics ➔ Mathematics

2 answers

3(3 + y) < 5(5 + y)
9+ 3y <25 +5y
-16 < 2y
y> -8

Assuming /t/ means absolute value
-5 + 3/t/ = 7
3/t/=12
/t/=4
t=+4 and -4
No inequality or need for <=/>=

2007-05-20 06:30:16 · answer #1 · answered by chess2226 3 · 0⤊ 0⤋

3(3+y) < 5(5+y)
9+3y < 25+5y
9-25 < 5y-3y
-16 < 2y
-8 < y

Not real sure what you mean by the 2'nd one âº

Doug

2007-05-20 13:31:40 · answer #2 · answered by doug_donaghue 7 · 0⤊ 0⤋