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". In x + 2 = 7, x is a variable, but we can work out its value if we try!
Answer:
Answer: =2a + 16
Step-by-step explanation:
8+9−1+2a =8+9+−1+2a
now its time to to do CLT
=8+9+−1+2a
=(2a)+(8+9+−1)
=2a+16
Answer:
true
Step-by-step explanation:
Answer:
4.86 people/sq.miles
Step-by-step explanation:
the area of the state of Wyoming =
360 × 280 = 100,800 sq. miles
so, the population density =
490,408 ÷ 100,800
= 4.86 people/sq.miles