Answer:
13) began with 34
Step-by-step explanation:
20 cards replaced and now have 37
37-20=17
17 is half of the baseball cards
17x2= 34 which is what you began with
The new perimeter will be 3 times the old perimeter.
Original perimeter:
2(8+7) = 2(15) = 30 yds
New perimeter once they are tripled:
3 x 8 = 24
3 x 7 = 21
2(24+21) = 2(45) = 90 yds
30 x 3 = 90
The September 11 attacks were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda on the United States on the morning of Tuesday, September 11, 2001. The attack on Pearl Harbor was a surprise military strike by the Imperial Japanese Navy Air Service against the United States naval base at Pearl Harbor, Hawaii Territory, on the morning of December 7, 1941.
I believe it would be the 3rd one. (r=41/2) which is (radius=diameter/2)
~Hope This Helps~
Answer:
3
Step-by-step explanation:
