This is a perfect square trnomial
(a+b)²=a²+2ab+b²
we see that a=5x and b=2
(5x)²+2(5x)(2)+2²=0
factor
(5x+2)²=0
set equal to zero
5x+2=0
5x=-2
x=-2/5
Answer: It traveled 36,000 miles per hour.
Step-by-step explanation: 1/10 of a second x 36000 = 1 hour.
Answer:
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Step-by-step explanation:
I think that the answer is 120 cubes
You just add the LxW and for area you multiply LxWxLxW
