I'm not quite sure, but I believe that the answer is 48 cm^2.
Answer:
480
Step-by-step explanation:
Sn = n÷2 × (2a + (n-1)d)
n = 20 a = -14 d = 4
S20 = 10 × (-28 + 19 × 4) = 480
B. -14
C. 12
D. 0
Hopefully this is right!
Answer:
It is already rounded
Step-by-step explanation:
<h2>Theoretical probability:</h2><h2><u>Rolling once = 1/6</u></h2><h2>Rolling 500 times = 83 times</h2><h2>1/6 is your answer!</h2>