Use Pythagorean Theorem.
a^2 + b^2 = c^2
Substitute the numbers.
12^2 + b^2 = 20^2
144 + b^2 = 400
Subtract 144 from each side.
b^2 = 256
Take square root.
The answer is
b = 16
Answer is c 10 eliminate the decimal l
-2x^2(4x − 3)
=-8x^3 + 6x^2
hope it helps
Answer:
Step-by-step explanation:
Your total is 4 and each one is a individual (1)
so the probability of 1 ball would be :
because the question asks for the probability they are picked 4 times, we would need to multiply ¼ four times.