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Q. Show Frequency Tables?
Ans.
A frequency table is used to show how often a piece of data occurs.
Example: Michelle decides to keep track of the number of phone calls she gets in one week. She records the information in a frequency table. Find the mean number of phone calls Michelle receives in a day.
Solution: The mean is given by
The mean number of phone calls Michelle receives in one day is 6.5.
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The law of cosines can only be applied to acute triangles. Is this true or false?
how do I do it.
How do you do this?
If α, β are the zeros of the polynomial x 2 +8x +6 frame a Quadratic polynomial whose zeros are a) 1/α and 1/β b) 1+ β/α , 1+ α/β. Ans. P(x) = x 2 +8x +6 α + β = -8
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A group of 120 men had food for 200 days.After 5 days , 30 men die of disease.How long will the remaining food last
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