Answer:645 kilometers per hour
Solution.
Let v be the speed of the plane flying east!
Then, the speed of the plane flying west is v+75.
Since the planes are 5460 kilometers apart by 7 pm est,
(7-3)*(v+(v+75))=5460
2v+75=1365,
2v=1290,
v=645
answer: 645
The value of expression when n = 3 is 22
<em><u>Solution:</u></em>
<em><u>Given expression is:</u></em>
We have to find the value of expression when n = 3
<em><u>Substitute n = 3 in given expression</u></em>
Thus the value of expression when n = 3 is 22
Answer :
I inserted a photo hope it helps :)
Step-by-step explanation:
See the image for solution
Hope it helps
Have a great day
Factor out the gcf
4x(x^2-16)
Then factor the inner binomial (difference of squares)
4x(x+4)(x-4)
Final answer: 4x(x+4)(x-4)