Answer:
(x^2-6)^2
Step-by-step explanation:
Using the expression 5x + 23, the answers are as follows:
1. 5 is the coefficient.
2. 2 is the base
3. 3 is the exponent.
4. X is the variable.
Answer:
3 cm
Step-by-step explanation:
So the area of the total circle is:
If you remove the outer band you have the area of the inner circle
This means that the inner circle had an area of
area = pi * r^2
9 pi = pi * r^2
r =
So the radius of the inner circle is 3.
Answer: In the equations that you have given, we have a dependent system.
2x + y = 8 (I assumed that you meant to type y instead of 7)
6x + 3y = 24
To use Cramer's Rule, we have to take the determinant of 3 different matrices written in the problem. Taking the determinant of the coefficient matrix produces a zero.
2 1 This is the coefficient matrix.
6 3
6 - 6 = 0
Since this is 0, the rest of the work will be undefined meaning the systems are dependent (or they are the versions of the same equation).
