<span>(5x^7 y^2)(-4x^4 y^5) =-20x^a y^b
</span><span>
solve this:
(5x^7 y^2)(-4x^4 y^5)
= -20 x^(7 + 4) y^(2 + 5)
= -20 x^11 y^7
answer
</span>A) a=11, b=7
We are given the dimensions 10 feet length and 3 inches height. The volume of the rectangular portion is equal to $72.59 / $98 per cubic yard that is equal to 0.74 cubic yard. This is equal to 19.98 cubic feet. This means the width of the portion is equal to 8 feet.
His average speed is 634/13 = 48,77 miles/hour. Well, he's fast :D
-5|x + 1| = 10
-5 -5
|x + 1| = -2
No Solution
Your answer is (a) because 4 times 2 is 8 but since it's negative 2 it's negative 8
