Answer:
495
Step-by-step explanation:
This problem can be solved b using a combination. We're using a combination for this because the order in which you would pick the books doesn't matter. To solve, we would plug in the number of books, in this case 12, into the n value of the combination. Then we would plug in the number of books that would be picked, in this case 4, into the r value of the combination. Solve the combination, and you get 495.
Step-by-step explanation:
A =nr²
=3.14 × (80/2)
=3.14 × 40
= 125.6yd²
Answer:
(8,1)
Step-by-step explanation:
The x coordinate of the midpoint is
(10+6)/2 = 16/2 =8
The y coordinate of the midpoint is
(-1+3)/2 = 2/2 =1
The midpoint is (8,1)
Answer:
The 2 triangles have the same circomfronce but different area
Step-by-step explanation:
