4 + 12 +12 = 28cm
so in conclusion it is 28
Answer:
The second option.
3x + 6 = 21.
Step-by-step explanation:
3x + 6 = 21.
If x = 5, plug it in.
3 · 5 + 6 = 21
15 + 6 = 21
Hope this helps,
Davinia.
the answer would be 8.
2 times 8 = 16 minus 5 = 11
The vertical angles from the attached image will be; 1 and 4; 2 and 3; 5 and 8; 6 and 7.
The Linear pair angles would be: 1 and 3; 2 and 4; 5 and 7; 6 and 8; 1 and 2; 3 and 4; 5 and 6; 7 and 8
<h3>How to identify angle theorems?</h3>
A) From the attached image, the side roads resemble 2 parallel lines cut by a transversal.
Now, if we consider the roads to be very fat lines, then it means that the main road is the transversal while the two side roads are parallel to each other.
B) Vertical angles are defined as angles that are opposite of each other The vertical angles from the attached image will be; 1 and 4; 2 and 3; 5 and 8; 6 and 7.
The Linear pair angles would be: 1 and 3; 2 and 4; 5 and 7; 6 and 8; 1 and 2; 3 and 4; 5 and 6; 7 and 8when two lines cross
The supplementary angles would be: 3 and 5; 4 and 6
C) If a fourth road is constructed, it will be perpendicular to the main road, or perpendicular to the two side roads, and it will form a right triangle.
Thus, the acute angles of the triangles will be complementary because their sum will be 90°
Read more about Angle Theorems at; brainly.com/question/24839702
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Answer: a) 
Step-by-step explanation:
Since we have given that

a.) Find the inverse of f(x) and name it g(x).
Let f(x) = y
So, it becomes
Switching x to y , we get


b) . Use composition to show that f(x) and g(x) are inverses of each other.

Similarly,

so, both are inverses of each other.
c) Draw the graphs of f(x) and g(x) on the same coordinate plane.
As shown below in the graph , Since for inverse function we need an axis of symmetry i.e. y=x
And both f(x) and g(x) are symmetry to y=x.
∴ f(x) and g(x) are inverses of each other.