Answer:
56
Step-by-step explanation:
4 x 2 = 8
8 x 7 = 56
Answer = 56
Hi,
Departure point : (4, 5)
They are first heading west, to go to the (2,5).
They made 2 km.
Then they are heading north, to go to (2,8) -> campsite.
They made 3 km
To return to departure point, the make the choice to walk in straight line :
In total : they walked : 2 + 3 + 3.60 = 8.60 km
Answer:
c
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
From 20, choose 3:
₂₀C₃ = 120
Here we use combinations instead of permutations because the order doesn't matter.
Draw a right triangle. The cat represents a side, the bird represents a side. Then just use the Pythagorean Theorem to find the hypotenuse. a^2 + b^2 = c^2. Let a = cat; b = bird; then solve for c.