ashley24109
05.05.2020 •
Mathematics
RESPUESTA A ESTE PROBLEMA x2-1 = √x+1 20
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Ответ:
11. z = 32/5
12. y =25
13. x = 11/5
Step-by-step explanation:
11. z 8
=
4 5
using cross products
z*5 = 4 * 8
5z = 32
divide by 5
z = 32/5
12. 9 15
=
15 y
using cross products
9* y = 15 * 15
9y = 225
divide by 9
9y/9 = 225/9
y =25
13. 11 5
=
x 1
using cross products
11*1 = 5x
divide by 5
11/5 = x