if 81000 is invested at 5% annual simple interest how much should be invested at 9% annual simple interest so that the total yea
1 answer:
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Given:
m is directly proportional to the cube of h.
m = 525 when h= 5.
To find:
The equation connecting m and h.
Solution:
m is directly proportional to the cube of h.
...(i)
Where, k is the constant of proportionality.
Putting m = 525 and h= 5, we get
Putting k=105 in (i), we get
Therefore, the required equation is .
Option C:
is equivalent to the given expression.
Solution:
Given expression:
To find which expression is equivalent to the given expression.
Using exponent rule:
Using exponent rule:
Divide both numerator and denominator by the common factor –6.
Therefore, is equivalent to the given expression.
Hence Option C is the correct answer.