Answer:
4
Step-by-step explanation:
12 ÷ 2 + 4 - 2 × 3
Use order of operations to evaluate.
6 + 4 - 6
10 - 6
= 4
A discrete variable is a type of variable which contains a finite number of values. It usually takes its values from the set of whole numbers.
From the random variable described, the random variable that is descrete is "You measure the maximum heart rate in beats per minute".
This is because, heart rate cannot be partitioned it only takes counting number values. You either have 1 beat per minutes, 2 or 3 and so on beats per minute. But you cannot have 2.5 or 3.8 and so on beats per minute.
So heart rate cannot take decimal or fractional values and hence, it is a discrete random variable.
Answer:
they arrived at 9:20 A.M.
Step-by-step explanation:
If you look at the time they left and how much time it took for them to arrive all you have to do is add 1:45 to 7:35 while adding in time sense so add the 5 to 35 to get 7:40 then add 20 from the 40 to the other 40 to get 8:00 then you can add the remaining 20 to get 8:20 now you can add the hour to make it 9:20 A.M.
