t-19/7
Multiply the entire expression by 7
7t -133
7t = 133
133/7 = 19
t = 19
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)
Answer:
The answer is "
"
Step-by-step explanation:
The whole question can be found in the file attached.

Subtracting the
from both sides of the equations:


Answer:4.5
Step-by-step explanation: Check the file for my explanation
Kilogram is an SI unit for mass.
Ounce and pound refer to American system for measuring things, and decakilogram is not the "basic" unit, but kilogram is.