Step-by-step explanation:
An a quadratic equation,

If the quadratic has one solution,
then

So plug in 27 for c, and 3 for a




or

So our answer is 18 or -18
Divide 315,530,612 by 3,539,225 to get 89 people per square mile (rounded)
Answer:
She Jen djzksndhdi
Step-by-step explanation:
Answer:
4 + 14b
Step-by-step explanation:
First, you need to distribute so,
2*2= 4 and
2*7b= 14b
Answer:
-3
Step-by-step explanation:
Let x = the number
Then 3x = its triple, and the condition is:
x - 8 < 3x
Subtract x from each side
-8 < 2x
Divide each side by 2
-4 < x
Reverse the inequality
x > -4
The smallest integer greater than -4 is -3.
Check:
-3 - 8 < 3(-3)
-11 < -9
It checks.