X^2=x+12
minus x+12 both sides
x^2-x-12=0
factor
(x-3)(x+4)=0
set each to zero
x-3=0
x=3
x+4=0
x=-4
x=3 or -4
answer is first one
Answer:
24
Step-by-step explanation:
double 12
add 24 8 times and you'll get your answer
Answer:
I think the perimeter of the diagram is 5 and if you round it like
If it's 5 or greater, add 1 to the digit in the tenths place, and then remove all the digits to the right. (In the example above, the hundredths digit is a 4 , so you would get 51.0 .) To round a number to the nearest hundredth , look at the next place value to the right (the thousandths this time).
use Photo math it helps me a lot