What are the numbers from least to greatest -8 1/2, -4 1/2, -10 1/2, 4 1/2
2 answers:
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Answer:
1. (d) First F, then D, then C
2. x=16, not extraneous
Step-by-step explanation:
1. Let's solve the given equation and see which steps we need:
Since the X is under a square root, let's raise both sides to their square value.
So we get: 6x + 4 = 64
Next step is to isolate the x factor, so we need to subtract 4 on both sides, to get:
6x = 60
Then to isolate x, we need to divide both sides by 6.
x = 10.
2. Solve for x.
We'll first begin by isolating the square root on its side alone:
Then we'll raise each side to its square: x + 9 = 25
Isolate x, to get x = 16
Now, is that solution extraneous or not?
Let's enter 16 in the initial equation and find out:
It works, so the solution is not extraneous!