By adding all of the numbers on the the outside lines
I think the group 2 survey is likely to be biased towards people who are not too keen on zoos since all the values are small.
From group 1 and 3 the mean number of visits are
(4 + 10 + 6 + 3 + 8 + 7 + 9 + 3 + 4 + 7) / 10
= 61/10
mean = 6
Answer: <u><em>just a heads up</em></u>
my boats speed is 7 so
x=other boats speed times 2?
Step-by-step explanation:
i am just guessing so please do not take this to seriously
Answer: -3 < or = -j < -7
Step-by-step explanation:
-1 < or = 2-j < -5
-1 -2 < or = -j < -5-2
-3 < or = -j < -7
sorry about the sign.
You definitely know how to find the area of a rectangle ... length times width. Right ?
Well, write down the area of each rectangle, and then add up the 4 areas (using + signs).
Hint: Each little rectangle on the right has an area of x-squared, so the sum of just those two is 2x-squared.