Trong R^2 , tự đồng cấu f : R^2 → R^2 xác định bởi
f(x, y) = (2x + y, x − 2y)

có là đẳng cự không?

20

step-by-step explanation:

42%

step-by-step explanation:

we know,

total people = 60

total males = 25

percentage of males

= 25/60 × 100

= 25/6 × 10

= 25/3 × 5

= 125 / 3

= 41.

rounding of = 42%

happy to

pls mark as brainliest

47 - 90 = 43

43 - 180 = x

x = 137

if you need just tell me and i will come to the rescue.

step-by-step explanation: