Answer:
= -√6
Step-by-step explanation:
1) collect like terms by subtracting coefficients:
3√6 - 4√6
(3-4)√6
2) calculate (3-4):
(3-4)√6
-1√6
3) the coefficient of -1 does not have to be written, but the negative sign remains:
-1√6
-√6
so therefore:
-√6 is your answer
I believe it's b. Hope this helps
Answer:
Step-by-step explanation:
Some facts to establish before we try to solve: 
and another way of writing 
is 
. Also order of operations: PEMDAS
For the first option:
We solve what is in the parenthesis: 2*2=4*2=8*2=16*2=32*2=64 so , which is another way to write
For the second option: If the square root of 64 is 8, the there is no way we can multiply another value by it.
The third option: When dealing with square roots, we can solve the inside first and then take the square root:
definitely not 64 (though if you're curious it's 4096)
The fourth: Another way to write the square root is to raise the value to the 1/2 power so
Which is the same as
Fifth: Like the third, we solve the inside of the square root first
16*4= 64 and then
Sixth: We need a nice whole number (8), and 
has no clean roots, so its result will have decimals. It can't be our answer
W = 6a +3b - 4
w - 3b + 4 = 6a
a = w - 3b + 4 divided by 6
Answer:
The difference in minutes of median collection times before and after the well was installed is: 25
Step-by-step explanation:
Before--
Clearly after looking at the whisker-box plot we could observe that the middle line in the box represents the median of the data.
Hence we have :
Median(M)=53
After--
Similarly looking at the box-whisker plot we could observe that the line in the box is at 28.
Hence, Median of the box after installing the well is(M'): 28
Hence,
The difference in Median is calculated as:
M'-M
= 53-28
= 25
Hence, the difference in minutes of median collection is:
25 minutes.
