Answer:
85in²
Step-by-step explanation:
s = side
triangle: ((b x h) ÷ 2) x 4
((5 x 6) ÷ 2) x 4 = 60in
square: s2(squared not 2)
5² = 25
total sa: 25 + 60 = 85in²
Answer:
1. 12
Step-by-step explanation:
Answer:


And the 68% confidence interval is given by (91.1186, 97.2814)
Step-by-step explanation:
For this case we know that mean time that visitors stay at a museum is given by:

The standard deviation is given by:
And the standard error is given by:
And we want to interval captures 68% of the means for random samples of 25 scores and for this case the critical value can be founded like this using the normal standard distribution or excel:

We can find the interval like this:

And replacing we got:


And the 68% confidence interval is given by (91.1186, 97.2814)
Answer:
7
Step-by-step explanation:
the answer is 7 because -4 in the first pair and 3 from the second ordered pair is 7.The other side is 4 because 2 and -2 are 4 places away from each other
hope it helps :)
I think it’s a cause if just divide and multiply