Try this option:
1. rule: P(E)+P(not E)=1.
2. according to the rule above
P(not E)=1-P(E)=1-0.3=0.7;
P(E)=1-P(not E)=(100-65)%=35%.
Answer:
(a)62.625 (b) 8.35
Step-by-step explanation:
33.4/4 = 8.35
8.35*7.5 = 62.625
Answer:
no triangle
Step-by-step explanation:
all sides have to equal up to 180 and that's only 140
Answer:
It is the right-angled triangle.
Step-by-step explanation:
According to the Pythagorean theorem,
, which c is the longest side of the triangle.
So,
if the triangle is right angle.



∵LHS=RHS
∴It is a right-angled triangle.