Answer: C.-1.5
Step-by-step explanation:
Given: The burning time of a very large candle is normally distributed with mean
of 2500 hours and standard deviation
of 20 hours.
Let X be a random variable that represent the burning time of a very large candle.
Formula: 
For X = 2470

So, the z-score they corresponds to a lifespan of 2470 hours. =-1.5
Hence, the correct option is C.-1.5.
Answer:
Options B, C and D
Step-by-step explanation:
Linear pair of angles means sum of the angles of the pair is 180° which are formed at a point of a line.
In other words, pair of supplementary angles is the linear pair.
From the figure attached,
Pair of the linear angles are,
1). ∠BAC and ∠CAD
2). ∠BAE and ∠EAD
3). ∠EAD and ∠DAC
Therefore, Options B, C and D are correct.
Answer:
[0,1.75]
Step-by-step explanation:
range is the y value
Answer:
9
Step-by-step explanation:
6 divided by 2 equals 3 then you multiply 3 by 3 which equals 9.
Hope this helps!!!!!!!!!!
Be safe!!!!!!!
Answer:
449pounds
Step-by-step explanation:
29x15months=435
435+15=449 pounds
P.S. That was one BIG dog.