👤
Adtocl90go
Answered

r varies inversely as d and r = 12 when d = 3. Find r when d = -9

Sagot :

Abdo47go

r=kd

12=k(3)

(1/3) 12=k3(1/3)

12/3=k

4=k

k=4

-9=kr

-9=4r

-9/4=r

-2.25=r

R= -2.25

Go Training: Other Questions