Number of choices per question = 5
Number of wrong answers = 4
P(wrong answer) = 4/5
Answer: 4/5
Answer:
d ≤ -0.5
Step-by-step explanation:
Multiply each term by -1
The length of DE is 39 and the length of EF is 36 because we can see from side AC and DF that triangle DEF is just triangle ABC dilated by 3.
Answer:
The answer in the procedure
Step-by-step explanation:
we know that
The lateral area of a cone is equal to

where
r is the radius of the base
l is the slant height
we have


assume 
substitute the values

This value is an underestimate, because the assumed pi value is less than the real value
assumed value 
real value 