Answer:
4 in. wide
Step-by-step explanation:
20/5=4
4x=16
4x/4=16/4
x=4
As a fraction, the exact answer is 5/6
In decimal form, the approximate answer is 0.8333
To get this answer, note how there are 5 ways to roll something that isn't a three (1,2,4,5,6) out of 6 ways total (1,2,3,4,5,6)
So you simply divide the two values to get 5/6 = 0.8333
Your answer should be 8.5! if thats not one of your answer choices then round it then your answer would be 9! I hope this helped.
For #2 just do Pythagorean theorem. That is 5²+h²=10²
25+h²=100
h²=75
h=sqrt(75)
Use a calculator to approximate the height
And I think it is irrational because square roots are not exact rational numbers