Answer:Variable expressions are expressions that involve variables, which are symbols that represent changing quantities. The value of the expression will change as the value of the variable changes.
For example, let's say with have the equation
x
+
5
When
=
1
, then
6
2
then
7
Hope that was helpful.
Answer:
a=9
Step-by-step explanation:
a^3 = 729
Taking the cube root of each side
a^3 ^(1/3) = 729^ (1/3)
a = 9
=99*9/11
- -
_____
=891/11
=81
below
10ˣ = 5
applying log to both sides
xlog 10 = log5
x = 0•699
Y=2/3x+1
Answer: 43.5
