Your answer should be:
28 cows.
------------------------------------
With there being 60 cows:
12 cows have brown spots.
20 cows have black spots.
28 cows have no spots.
Answer:
1/1000 or 0.001.
Step-by-step explanation:
10 ^-3
= 1/10^3
= 1/1000.
Answer:
82
Step-by-step explanation:
2(x+y)^2 - y^2 ; x=-3. y=-4
= (2*(-3-4)^2) - (-4)^2
= (2* (-7)^2) - 16
= (2* 49) - 16
= 98 - 16
= 82
You can stack 77 books into 7 piles of 11, or into 11 piles of 7. So in two different ways.