Step-by-step explanation:
câu trả lời là trong hình ảnh trên
Answer:
First ans is true but second one is not the cotrect
one
Answer:
38 times
Step-by-step explanation:
A coin has two sides, so there is a 50% chance it will land on either side (assuming perfect conditions and that the coin cannot land vertically). With that in mind, if you flip a coin 76 times, 50% or 1/2 of the times the coin should land on tails. That is 36 times. (Once again, this is under perfect testing conditions. In real life, you probably wouldn't get an even split after only 76 flips.)
Hope this helps :)
A trapezoid has two parallel sides, but the top one is shorter than the bottom one
Answer:
3.9
Step-by-step explanation:
(76-62.10)÷3.55=3.91...
=3.9 (correct to nearest tenth)
