Question

Пожалуста помогите срочно !!!

Answer 1

$(-1 \frac{1}{2} )^2 = (- \frac{3}{2} )^2 = \frac{3^{1*2} }{2 ^{1*2} } = \frac{3^2}{2^2} = \frac{9}{4} = 2 \frac{1}{4} = 2.25$

-0.2b × (-0.14) =  (-0.2 × (-0.14))b = 0.028b

10.64 ÷x= -14
x = 10.64  ÷ (-14) = -  1064/1400
x=  - 0.76