Answer: 3
Step-by-step explanation:
Given
The dimension of the small block is
The Volume of the cube having unit length is
The number of blocks that can be in the unit cube is the division of the volume of the unit cube and block.
The mean checkout time in the express lane of a large grocery store is 2.7 minutes, and the standard deviation is 0.6 minutes. T
he distribution of checkout times is non-normal (for one thing, it can be a lot longer than 2.7 minutes, but it can only be so short). (a) What is the probability that a randomly-selected customer will take less than 3 minutes?
1 answer:
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Answer:
Step-by-step explanation:
Be VERY careful. When it write out the equation that way, it will give the speculation of this:
Now, in this case, since you were extra explanatory about this [what is written in parentheses], two factors I know of that multiply to 15 are these:
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First I converted the equation terms into sine and cosine.
Substitution:
Common Denominator Created:
Multiply each term by the LCD:
Substitution: Recall ⇒
Distribute and collect all terms on one side:
Factor and set each factor equal to 0:
The 2nd factor provides only possible answer 109.5 degrees