Answer:
The expression which will result in difference of two squares is:
(–7x + 4)·(–7x – 4)
Step-by-step explanation:
We know that the formula of the type:
(a-b)(a+b)=a²-b²
i.e. it is a difference of two square quantities. (a^2 and b^2)
since,
a= -7x , b=4
(-7x+4)(-7x-4)= (-7x)² - (4)²
=(7x)² - 4²
So the expression is a difference of two square quantities:
(7x)² and (4)²
Hence the answer is (–7x + 4)·(–7x – 4)....
30 newspapers/2 piles = 15 newspapers/1 pile
It’s just reducing 30/2 into a fraction with a denominator of 1.
You need to attach the picture
Answer:
its 2480
its 2,480
Step-by-step explanation:
thatss my answerrr
From the graph ...
-- Train-1 travels more than 15 feet in 3 seconds.
-- Train-2 travels less than 15 feet in 3 seconds.
So, if Train-3 travels exactly 15 feet in 3 seconds,
then Train-3 is faster than #2 but slower than #1 .
