this question is what i need to be done

this question is what i need to be done

I really need the full answer ASAP with the solution n stuff...Very much appreciated

This is related to my electrical class. Parallel and series circuits.

two times the reciprocal of a number equals 40 times the reciprocal of 50. Find the number

Please answer ASAP!!!

-4.7 reciprocal

What is the reciprocal of -1/7?

A number is one more than its reciprocal. Find the sum of the fourth power of the number and the fourth power of the reciprocal.

The sum of the reciprocals of 2 consecutive integers is 9/20. Find the numbers.

18x7 Divided by 2x7y4 y4 ...