Let
and
. Then


and


The expression under the square root can be rewritten as

Recall that

so that

and assuming
and
, we end up with

so that

as required.
Step 1: plug in 5 and 2 for your X and Y
Step 2: multiply 8*X or in this case 8*5 and you will get 40
Step 3: multiply 3*Y or in this case 3*2 and you will get 6
Step 4: subtract 40-6 and you will get 34
Take the price of the cheese stick then divide that by the old price. you will get a decimal. New divided by old. You should have some decimal that is 1.something. If its a percent increase of 64 percent you'd have 1.64 as the decimal. good luck.
Answer:yes
Step-by-step explanation:
because 0.89 is a very small number so itd be reasonable for it to be a large number
Length = √area = √81 = 9
diagonal = √2 * side = √2*9 = 9√2