Three years ago, hari was 5 years older than anushka .if he is now twice as old as she is ,find their present ages

hari was 7 then which would mean that Anushka was 2. now he is ten and she is five

because you add three more years to each to get present ages

 The present age of Hari is 10 years and that of Anushka is 5 years.

Step-by-step explanation:  Given that three years ago, Hari was 5 years older than Anushka  and he is now twice as old as she is.

We are to find their present ages.

Let x years and y years represents the present ages of Hari and Anushka respectively.

Then, according to the given information, we have

and

From equation (i), we get

Thus, the present age of Hari is 10 years and that of Anushka is 5 years.

4sqrt5

step-by-step explanation:

the base has dimensions of 8 x 4, so the diagonal is 64 + 16 square rooted or 4sqrt5.

a negative exponent is translated as follows:

so, we have