Answer:
5 times bigger
Step-by-step explanation:
You said . . . -12√12 - 2√3 .
Before we get all tangled up trying to work on the whole thing at once,
take a look at that first square root: √12 .
That's the same thing as √(4 · 3) and you can break it up like this:
√(4 · 3) = √4 · √3 .
Now, we know what √4 is . . . it's just 2 .
So we can write the first half of your original big quantity like this:
-12 √12
= -12 · 2 · √3
= -24√3 .
NOW, finally, let's go back and rewrite the whole thing:
-24√3 - 2√3 .
Isn't that a lot nicer looking ?
It's nearly solved all by itself ... if you don't let the √3 scare you.
It just says -24(cows) - 2(cows) .
and everybody knows, that's just -26(cows).
So -24√3 - 2√3 is just -26√3 . (choice-C)
Firstly,
thanks for posting this.
81 = 9x9 or 9 squared so at this stage I'm guessing the last two.
x^ 8 = (x^ 4) x (x^ 2) (its called the multiplication rule of indices).
Okay I have approx 14 mins to answer.
No panic
√ 81.x^8 x <span>√ y^5
</span>√ (9x^2 x 9x^6) x <span>√ y^5
</span>= 9x x <span>√ 9x^6 x </span><span>√ y^5
</span>did I just gain time?
√ 9x^6 = <span>√ </span>3x ^3 x <span>√ 3x ^ 3
</span>or 2 . √ 3x^3. <span>√ y^5
</span>more time
okay, so that wasnt successful.
√ 9x^6 =<span>√ </span> (3x^2) x <span>√ </span>(3x^4)
since you did not upload the picture, I drew one myself.
1 pound water bottle = 453.59 ml of water.