Answer: Infinite
Step-by-step explanation:
Answer:
the correct answer is x=-4
Step-by-step explanation:
the mistake he made is writing 1/4x=-10 instead of 1/4x=-1
He should have wrote -1 instead of -10
Answer:
C
Step-by-step explanation:
According to basic exponential rules, whenever we divide a two same variables, we subtract their powers so
would equal
=> 
Answer:
a= 38.85
Step-by-step explanation:
Answer:
x = 1.5
Step-by-step explanation:
We need a value of x that would result in 2x+9 = 12
2x+9 = 12
2x = 12 - 9
2x = 3
x = 3/2 or 1.5
====
CHECK
Does 2x+9 = 12 when x = 1.5?
2x+9 = 12
2(1.5)+9 = 12
3 + 9 = 12 YES