Question

Resolva o valor de X

Answer 1

cos60° = x /8∴ 1/2 = x /8 ∴ 2x = 8 ∴ x= 8/2 = 4

Answer 2

•2(×+3)+9-5=32
•2(4+3)+9-5=32
•2(7)+9-5=32
•4(7)+9-5=32
•28+9-5=32
•37-5=32
espero ter ajudado na sua conta...