Answer:
−(3x−2)(7x+4)
Step-by-step explanation:
Answer:
5100
Step-by-step explanation:
20 x 17 x 15 = 5100. hope this helps you!!!
also formula is 1/2 x b x h x l
The answer is
X=7
Have a nice day <3
Answer:
If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:

And the mean for this case would be:

And the standard deviation would be given by:

Step-by-step explanation:
If our random variable of interest for this case is X="the number of teenagers between 12-17 with smartphone" we can model the variable with this distribution:

And the mean for this case would be:

And the standard deviation would be given by:

73
73 * 19 = 1,387
Hope I helped you!