Answer:
5 nights.
Step-by-step explanation:
215=35x+40
1: B $3.85
2: C The rabbit; 14 miles per hour
3: C 2 1/2 miles
1. Reason: To find the price per gallon, all you need to do is divide 46.20 by 12 to get 3.85
2. Reason: To find which animal is faster all you have to do is subtract the greater number, which is the rabbit that travels 35 miles per hour from the smaller number which is the fox that travels 21 miles.
Subtract: 35-21= 14. So the rabbit is faster by 14 miles.
3. Reason: If Randy walks 1/2 mile in every 1/5 hour, to find the much he will walk in a hour you could count up:
1/2 mile = 1/5 hour
1 mile = 2/5 hour
1 1/2 mile = 3/5 hour
2 mile = 4/5 hour
2 1/2 mile = 1 hour
So, Randy will travel 2 1/2 miles in a hour.
Answer:
(x+10) and (x-10)
Step-by-step explanation:
The volume of a rectangular box is defined as
Volume = width*height*length
In this case
Volume = 6x^2-600 = 6*(x^2 - 100)
And we also know,
Volume = (6)*height*length
So,
6*(x^2 - 100) = (6)*height*length
This means that
height*length = (x^2 - 100)
height*length = (x+10)*(x-10)
Answer:
k
Step-by-step explanation:
Using FOIL (First Outside; Inside, Last), we find our product.
(7x - 3)(7x + 3) // Given
7x * (7x + 3) // First Outside
49x^2 + 21x // Distribute (remember this)
-3 * (7x + 3) // Inside Last
-21x - 9 // Distribute (remember this)
49x^2 + 21x - 21x - 9 // Add both answers (the one from Outside and the one from Inside)
49x^2 - 9 // Simplify. This is your answer
You can do this, or you can remember that this is a factor for a difference of squares, where
a^2 - b^2 = (a + b)(a - b)
Plug in “7x” for a, “3” for b
