What is the length of BD, given that figure ABCD is a rectangle and AE = 28? A. 56 B. 14 C. 7 D. 28
2 answers:
Answer:
A. 56.
Step-by-step explanation:
We have been given an image of rectangle. We are asked to find the length of BD.
We will use rectangle properties to solve our given problem.
We know that diagonals of rectangle are congruent and they bisect each other.
We can see that BD is diagonal of rectangle ABCD and it bisects diagonal AC at point E.
Using rectangle diagonal properties, we can set an equation as:
Therefore, the length of BD is 56 units and option A is the correct choice.
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The probability that a randomly selected runner has a time less than or equal to 3 hours and 20 minutes is 0.16 or 16%.
Normally distributed data is the distribution of probability which is symmetric about the mean.
The mean of the data is the average value of the given data.
The standard deviation of the data is the half of the difference of the highest value and mean of the data set.
The times of the runners in a marathon are normally distributed, with
- Mean of 3 hours and 50 minutes
- Standard deviation of 30 minutes.
Refere the probabiliity table attached below. The probability of Z being inside the 1 Standard daviation of mean is 0.84.
The probability of runner selected with time less than or equal to 3 hours and 20 minutes,
Thus, the probability that a randomly selected runner has a time less than or equal to 3 hours and 20 minutes is 0.16 or 16%.
Learn more about the normally distributed data here;
