Mary has to spend $18000 on expenses each year.if that amount of money 40% of her salary then how much does Mary make working as
1 answer:
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The polynomial 
may have solutions which are the divisors of -20, therefore -20 has the following divisors: 
.
If x=1, then
,
if x=-1, then
,
if x=2, then
, then x=2 is a solution and you have the first factor (x-2).
If x=-2, then
, then x=-2 is a solution, so you have the second factor (x+2).
Since x-2 and x+2 are two factors of , then the polynomial 
is a divisor of and dividing the polynomial by you obtain
.
If x=1, then
if x=-1, then
if x=2, then
If x=-2, then
Since x-2 and x+2 are two factors of
Answer:
A. 4 (RootIndex 3 StartRoot 7 x EndRoot) or
Step-by-step explanation:
Given:
A radical whose value is,
Now, we need to find the like radical for .
Let the like radical be .
As per the definition of like radicals, like radicals are those that can be expressed as multiples of each other.
So, if two radicals are like radicals, then
Where, 'n' is a real number.
Here,
Now, let us check all the options .
Option A:
4 (RootIndex 3 StartRoot 7 x EndRoot) or
Now, we observe that is a multiple of
because
Therefore, option A is correct.
Option B:
StartRoot 7 x EndRoot or
As the above radical is square root and not a cubic root, this option is incorrect.
Option C:
x (RootIndex 3 StartRoot 7 EndRoot) or
As the term inside the cubic root is not same as that of , this option is also incorrect.
Option D:
7 StartRoot x EndRoot or
As the above radical is square root and not a cubic root, this option is incorrect.
Therefore, the like radical is option (A) only.