Which of the following is an equivalent form of the compound inequality −44 > −2x − 8 ≥ −8? −2x − 8 > −44 and −2x − 8 ≥ −8 −2x > −44 and −8 ≥ −8 −2x − 8 < −44 and −2x − 8 ≤ −8 −2x − 8 < −44 and −2x − 8 ≥ −8
@Vocaloid
ok, so the idea of this is that you want to separate the line of inequalities in a way so you get only one inequality per equation
-44 > -2x - 8 ≥ −8? ^^^^^^^^^^^^ you take these so -44 > -2x - 8 do you see how I got that piece?
yes i have another question Which of the following is not a way to represent the solution of the inequality 3(2x − 1) greater than or equal to 4(2x − 3) − 3? x less than or equal to 6 6 greater than or equal to x A number line with a closed circle on 6 and shading to the left A number line with a closed circle on 6 and shading to the right
This one you would have to solve completely try solving it like you would a normal "equals" equation
c?
hmm I think there are two answers to this question?
there cant b .. only 1
ohhh I was thinking about the answer, but the question was asking for which is "NOT" a way to express the thing
YES... hehe
This is c |dw:1507857529427:dw|
take a look at the other answers and compare them to that picture?
ok so c is not right?
no, I don't think C is right try seeing what the other options look like
ok A?
A: x is less than or equal to 6 what would this look like would it be shaded to the Left or Right of 6?
umm left i think
so that would look the same as C right?
right omg b! i think
B: 6 is greater than or equal to x that would be something like 6 > x x < 6 which side of 6 would this be shaded on? Left or Right?
i beleive ohhh right!
??? how would you graph x < 6 ? "6 is greater than x" is the same as "x is less than 6"
oh sorry i meant left
so that leaves us with d? :)
yup
Which of the following is not a way to represent the solution of the inequality 3(2x − 1) greater than or equal to 4(2x − 3) − 3? x less than or equal to 6 6 greater than or equal to x A number line with a closed circle on 6 and shading to the left A number line with a closed circle on 6 and shading to the right
that was the problem we were just on?
oh yea sorry
The length of a rectangle is 24 units. Can the perimeter x of the rectangle be 60 units when its width y is 11 units? No, the rectangle cannot have x = 60 and y = 11 because x = 48 + 2y No, the rectangle cannot have x = 60 and y = 11 because x = 24 + 2y Yes, the rectangle can have x = 60 and y = 11 because x + y is greater than 48 Yes, the rectangle can have x = 60 and y = 11 because x + y is greater than 24
so the Perimeter of a rectangle = (Length) + (Length) + (Width) + (Width) if the Length = 24 and the Width = 11 does 60 = 24 + 24 + 11 + 11 ??
you want me to solve that?
yes what is 24 + 24 + 11 + 11 but do you know where I got the numbers?
70
do you know where I got the numbers?
not really
Here's an easier example: can you tell me what the perimeter of this rectangle is? |dw:1507858242632:dw|
5
Do you know what the word "perimeter" means?
no
The perimeter is the total length of the outside of a shape If someone had to walk around a building, how far would they have to walk? |dw:1507858599071:dw|
In this case, the amount they would have to walk would be 5 + 2 + 5 + 2 does that make sense?
yes
So if I asked you What is the perimeter of (the picture)? |dw:1507858929303:dw|
What would you get?
14??
Yup! :D
AND THEN
IS THE ANSWER a?
|dw:1507859804523:dw|
70
The question is then asking if does 60 = 70 ?
no
The length of a rectangle is 24 units. Can the perimeter x of the rectangle be 60 units when its width y is 11 units? No, the rectangle cannot have x = 60 and y = 11 because x = 48 + 2y No, the rectangle cannot have x = 60 and y = 11 because x = 24 + 2y Yes, the rectangle can have x = 60 and y = 11 because x + y is greater than 48 Yes, the rectangle can have x = 60 and y = 11 because x + y is greater than 24 so is the answer A?
yup!
OK NEXT! can you answer faster.. i need to finish these questions asap Which of the following is not a way to represent the solution of the inequality 2(x − 1) less than or equal to 10? x less than or equal to 6 6 greater than or equal to x A number line with a closed circle on 6 and shading to the left A number line with a closed circle on 6 and shading to the right
and this is a different problem they are similar but the numbers are different
I need to go, could you ask it in a different post and get someone else to help?
please wait just answer this one you dont have to explain it
2(x − 1) less than or equal to 10 2x - 2 less than or equal to 10 2x less than or equal to 12 x less than or equal to 6 which one is NOT equal to that?
ummmmm b?
think of the > or < as it wants to eat the bigger one so x < 6 is the same as 6 > x
so A?
A: means x < 6
oh right.... and its not b you saidm so c
x < 6 is C
so d as well?
yup .-.
hehee
Choose the missing step in the given solution to the inequality −x − 10 > 14 + 2x. −x − 10 > 14 + 2x −3x −10 > 14 _______________ x < −8 −3x > 24 −3x < 4 −3x > −4 8 < x
please take the time to talk to your teacher about getting extra explanations. I feel like you don't truly understand how to answer these questions
I need to go
ok i will :)
oh ok... :( thanks for helping me
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