The below numbers represent the amusement park ride tickets bought by the first 10 families to arrive at a carnival. How many tickets will the next family need to buy to keep the average number of tickets the same? 25, 30, 15, 10, 11, 22, 17, 19, 20, 11
Group of answer choices

11

18

20

25

+25 = x

step-by-step explanation:

here x is the hypotenuse of a right triangle whose legs are 7 and 24.   by the pythagorean theorem, 7² + 24² must equal x²:

x² = 49 + 576 = 625.   thus, x = +√625 = +25 = x

each side has a different length.  

step-by-step explanation:

d. 8

step-by-step explanation:

the given radical expression is:

we can rewrite this as:

we express as square numbers to get;

the exponents will now cancel out to give.

the correct answer is d