I varies inversely with x and x=3.25 when y=4.5 what is the value of the x when y=3.75

A) 5.2

B) 3.9

C) 2.7

D) 3.2

Question

Mathematics

Veronica

19 June, 14:13

I varies inversely with x and x=3.25 when y=4.5 what is the value of the x when y=3.75

A) 5.2

B) 3.9

C) 2.7

D) 3.2

+1

Answers (1)

Know the Answer?

Tia Cervantes · Answer 1

Y varies inversly as x, so:

y = k/x, where k is the constant of proportionality, so:

4.5 = k/3.25, so

k = 4.5 x 3.25, so

k = 14.625, and

y = 14.625/x

when y = 3.75,

3.75 = 14.625/x, so

x = 14.625/3.75, so

x = 3.9

Answer:

B. 3.9

I varies inversely with x and x=3.25 when y=4.5 what is the value of the x when y=3.75A) 5.2B) 3.9C) 2.7D) 3.2

I varies inversely with x and x=3.25 when y=4.5 what is the value of the x when y=3.75

A) 5.2

B) 3.9

C) 2.7

D) 3.2