gypsyrose2000 gypsyrose2000

22-10-2020
Mathematics

contestada

2.3r-y+6=21
Find r when y=7
Find y when r=4.23

Respuesta :

fiyinfoluwa757 fiyinfoluwa757

22-10-2020

Step-by-step explanation:

2.3r - 7 + 6 = 21

2.3r - 1 = 21

2.3r = 22

r = 22/2.3

r = 9.6

2.3(4.23) - y + 6 = 21

9.73 - y + 6 = 21

15.73 - y = 21

-y = 5.27

y = -5.27

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