Answer:
f-1(x) = √x. +5
Step-by-step explanation:
f(x) = (x-5)^2
x = (y-5)²
√x = y-5
√x +5 = y
The answer is C. The middle term should be -6 and not -12.
The length of the shortest side of the triangle in discuss is; x = 20 in.
<h3>What is the length of the shortest side of the triangle as given in the task content?</h3>
It follows from the task content that the length of the shortest side can be assumed to be; x in.
Therefore, the perimeter of the triangle is as follows;
Perimeter = x +(x+1) + (x+2)
63 = 3x +3
60 = 3x
x = 20 in.
Read more on perimeter of triangles;
brainly.com/question/24382052
#SPJ1
<span>2√7 - (-8√7) - 3√7 = </span><span>2√7 + 8√7 - 3√7 = (2 + 8 - 3)</span><span>√7 = 7</span><span>√7</span>
Answer: The required length of each piece of wood is or 9 inches.
Step-by-step explanation: Given that a piece of lumber is feet long is to be cut into 3 equal pieces.
We are to find the length of each piece of wood in feet and in inches.
We will be using the UNITARY method to solve the given problem.
The length of 3 pieces of wood is equal to
Therefore, the length of each piece of wood will be
Thus, the required length of each piece of wood is or 9 inches.