Answer is t_<10
-3t+9_>-21
-3t_>-30
t_<10
**when you divide or multiply both sides by a negative you have to flip the sign**
you can substitute numbers to make sure your answer is correct. For example if u substitute t=9 -27+9_>-21 -18_>-21 which is correct.(but you’ll see it’ll be incorrect if u put t=11)
Answer:
x - y = 8
Step-by-step explanation:
y = x - 8
y - x = - 8
Multiply - 1 on both sides,
- 1 ( y - x = - 8 )
x - y = 8
x - y = 8 is in the form of ax + by = c,
Here,
ax = 1x
by = - 1y
c = 8
X=invested at 10%12000-x=invested at 15% .10x+ (.15)(12000-x)=1440 ;; 12% of the total amount is 12% of $12000. .10x + 1800-.15x=1440
-0.05x=-360x=7200 12000-x=4800 $7200 at 10%=$720$4800 at 15%=$720 That is $12000 earning $1440, and that is 12%
Answer:
both of the answers are C.
Answer:
Inverse property of addition.
