Solve this 18 ≤ −6x − 30
2 answers:
Answer:
x -8
Step-by-step explanation:
First I'm going to add 30 to both sides because I hate dealing with negative numbers, ESPECIALLY when it's on the side with x.
48 -6x
Great luck! 48 is a multiple of both 6 and -6 so we will simply divide both sides by positive 6
8 -x
We can NEVER keep x negative in these kinds of problems. GET OUTA HERE. Let's divide both sides by -1.
-8 x
Your teacher might want you to put the x on the left side. It's very common and important to do so:
x -8
Hope you have a good day and luck in finding good memes!
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Answer:
I'll set up the problem and you can do the calculation
Step-by-step explanation:
we need to complete the squares to get the equation in the general form:
where h = the x coordinate of the center
k = the y coordinate of the center
r = the radius
so looking at
we can see that if use -1 as the constant we have
doing the same for y
we can use -2 as the constant (basically you that the s
quare of the y coefficient )
so now we have to add or subtract the constant on the RHS to see what the square of the radius is according to the general form of the equation at the top
20 +1+4=25
Take the square root and you have the radius