B, because when you add 90+80 you get 170 and 170/2 = 85
Answer:
True
Step-by-step explanation:
The formula for the area of a triangle is:
area=(base x height)/2
Answer:
Is the answer B?
Step-by-step explanation:
True
5^2 = 25
12^2 = 144
25+144=169
13^2=169
Answer: No
Step-by-step explanation:
Rachael getting a head every time she tosses a coin ten times is unlikely.
Theoretically, there will be some head and tails during the toss of the coin. Theoretically, there should be 5 heads after ten tosses of the coin.
To get exactly 10 heads during the tosses of coin, Rachel would need a larger trial to get a more accurate data.