Answer:
Step-by-step explanation:
Answer:
Li Ping's statement makes sense.
Step-by-step explanation:
The area of a square with side lengths a inches is given by,
.
Now, the area of a parallelogram with equal sides a inches, which is not a square is given by,
, where, h is the perpendicular distance between the opposite sides.
See the diagram attached.
Since a is the hypotenuse of as right triangle with height h, hence, a > h.
So, 
Therefore, Li Ping's statement makes sense. (Answer)
The domain and range of a function are the possible <em>x and y values </em>of the function.
<em>The domain and the range of the function is: (a) </em>
<em> and </em>
<em />
The functions are given as:


(g o f)(x) is calculated as:

So, we have:

Take LCM


Represent the denominator as follows, to calculate the domain

Add 4 to both sides

Take square roots of bot sides

Hence, the domain of the function is:

On the graph of
(see attachment), the function does not have a value from <em>y = 1 to 2.</em>
Hence, the range is:

Read more about domain and range at:
brainly.com/question/1632425
Answer:
21
Step-by-step explanation:
There are two parallel lines given.
Two transversals cut them.
Here m and n are parallel.
Two transversals cut them so that a triangle is formed.
Let us use the property that sum of angles of a triangle = 180
Bottom angle of triangle = 39 (vertically opposite angles)
Top left angle = 4x+3 (vertically opposite angles)
Top right angle = 180-6x (linear pair property)
Now add these 3 and equate to 180
39+4x+3+180-6x = 180
2x = 42
Or x = 21
I think the correct answer from the choices listed above is the last option. The axiom that allows x(10) to be written 10x would be the commutative property of multiplication. It states that numbers can be added or multiplied in any order. Hope this answers the question. Have a nice day.