Question

please help i dont understand this at all!
Part 1: The solution is x > 5 and x<=9.
Part 2: There would be an open circle on 5 and a closed circle on 9.
Part 3: The shading is between the two numbers.
Be sure that you have included all three parts when answering each question.

d - 1 > -3 and d + 2 < 5

-3k + 7 > -5 and -7k + 5 < -2

-5 < 2y - 3 < 23




x - 4 < 5 or x + 2 > 15

5x - 4 > 6 or -4x + 5 > 1

Answer 1

d - 1 > -3 and d + 2 < 5
d>-2 and d<-3
-3>d>-2 open circles sade to the right

-3k + 7 > -5 and -7k + 5 < -2
-3k>-12 and -7k<-7
k<4 and k>1
1<k<4 open circles shade to the left

-5 < 2y - 3 < 23
-2< 2y <25
-1< y <12.5
open cirlces shade to the left

Answer 2

thanks a lot

Answer 3

You're welcome. :)

Answer 4

can u help me with the last two?

Answer 5

x - 4 < 5 or x + 2 > 15
x<9 or x>13
9>x>13
open circles i think; shade to the right

5x - 4 > 6 or -4x + 5 > 1
5x>10or -4x >-4
x>2 or x< 1
1>x>2
open circles, shade to the right

Answer 6

thanks again so much!

Answer 7

You're welcome.