Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown".
Step-by-step explanation:
In x + 2 = 7, x is a variable, but we can work out its value if we try:)
Answer:
1<x≤3
Step-by-step explanation:
Answer:
they are not like terms
Step-by-step explanation:
Answer:
just use the formula length×width×height
Step-by-step explanation:
1 cube= 1cm
length=4x1cm
width=2x1cm
height=4x1cm
add together
4x4x2=32
Answer:
The table doesn't display a linear relationship because the slope doesn't stay constant throughout the whole table.