Activity 1.3 COMBINED as ONE
A. Translate each statements into variation equation with solution.
__________2. P varies directly as the square of i and inversely as x.
B. Solve the following.
If (r) varies directly as (s) and inversely as the square of (v), and r=2 when s=18
and v=2, find
___________5. s when v= 3 and r= 4
A. Translate each statements into variation equation with solution.
__________2. P varies directly as the square of i and inversely as x.
B. Solve the following.
If (r) varies directly as (s) and inversely as the square of (v), and r=2 when s=18
and v=2, find
___________5. s when v= 3 and r= 4
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Answer:
2. P=ki²/x
B.
r=ks/v²
2=k18/2²
2=k18/4
2=k9/2
k9/9=4/9
k=4/9
4=4/9s/3²
4=4/9s/9
4/4=4s/4
1=s