Dùng phương pháp bình phương bé nhất để tìm các hệ số a, b sao cho hàm số

y = a sin x + b x căn (x+1)
xỉ tốt nhất của bảng số liệu sau
x 0.2 1.3 2.8 n
2 + 1
y 1.2 m + 1 3.1

81 seats

step-by-step explanation:

if you multiply 0.65 times 125 then you get 81.5 seats. well since you can't have half of a seat you have to round down and get 81 seats in the no children zones. that leave 44 seats outside of the no children zone.

19

step-by-step explanation:

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length