Question

I need help with five math questions . Any help is appreciated.

Which is equation is an identity? (1 point)
A. 8-(5x+2)=-5x-6
B. 7z+10-z=8z-2(z-5)
C. 8m-4=5m+8-m
D. 6y+5=6y-5

Answer 1

An identity is an equality that holds regardless of the values of its variables.

If you take left part of b) 7z+10-z is 6z+10
if you take right part of b) 8z-2(z-5)=8z-2z+10=6z+10

So left part and right part of the equality will always have the same value for whatever value of x you put. This is an identity

Answer 2

thanks

Answer 3

I ended up getting the right answer

Answer 4

Do u just want the answer ???

Answer 5

I already got the right answer to this like a week ago , but I do need someone to check my anwsers on these other problems.

Answer 6

OK !
Now look :
The answer is B because we have :
7z+10-z=8z-2(z-5)
7z+10-z=6z+10
8z-2(z-5)=8z-2z+10
So its right :)
Got it :)?

Answer 7

cool thanks , yea I got it. Mind helping me with these inequalities?

Answer 8

x-7>10
My answer: x>17

Answer 9

is this correct?

Answer 10

Look :
If u change the place of the negatives if we have > will have <
Or have < have >
Got it ?:)

Answer 11

change the place of the negatives?

Answer 12

Look :

Got it ?:)

Answer 13

yea I got it.

Answer 14

I still need (the answers to some/ to make sure I have the right answers to some) other problems though

Answer 15

OK!
Ask them :)

Answer 16

sorry its taking so long I'm trying to write them all

Answer 17

OK :)

Answer 18

No problem :)

Answer 19

@jojobugs :Do u have any problem or question ???

Answer 20

yes i'm almost done typing them , thanks

Answer 21

OK !

Answer 22

2. 3x(underlined caret facing the left) 21

3. 5a-2<18

4. 2t+8(underlined caret facing the left) -4(t+1)

Matching
match the inequality to its graph

Graphs
A. -1 and under
B. 3 to 0
C. 1 to -2
D. -3 to -6

5. 4y+3(underlined caret facing the right)y+6

Is the answer graph a,b,c,or d?

6. -2y>2
Is the answer graph a,b,c,or d?

7. y/3 < -1
Is the answer graph a,b,c,or d?

8. 3y(underlined caret facing the right) 2y+3
Is the answer graph a,b,c, or d?

Answer 23

And your answers ??

Answer 24

2.x(caret underlined facing the left)7
3. a<4
4. t(caret underlined facing the right)6
5.c
6.a
7.d
8.b

Answer 25

For 3 please remeber your 2th question :)...

Answer 26

in problems 2 and 4 I actually got
2. x(caret underlined facing the RIGHT)7
4. t(caret underlined facing the LEFT)6

Answer 27

Whats the meaning of (caret underlined facing the RIGHT) ????

Answer 28

greater than or equal to

Answer 29

OK !
Now we have :
2t+8>=-4(t+1)
2t+8>=-4t-4
-6t+8=<-4
-6t>=-12
__________________________
3x>=21
x>=7
OK ?:)

Answer 30

okay thanks

Answer 31

And do u want to know about other ???

Answer 32

yes I would like to know what all the correct answers are

Answer 33

Your problem is in the questions we have - things .

Answer 34

what things?

Answer 35

Negative !(-)

Answer 36

o well what does that have to do with the anwsers to the
problems?

Answer 37

well thanks anyway

Answer 38

Oh !:(
No :(
Im realy sorry friend :(
Your answer for your last question and 2,4 was right :(
I was in a big fall :(
Excuse me :(...

Answer 39

@jojobugs