Greg has nickels and pennies in his pocket. The number of pennies is five less than twice the number of nickels. Let n represent the number of nickels. Write an expression for the number of pennies.

step-by-step explanation:

the multiplicative inverse of a fraction a/b is b/a. for the multiplicative inverse of a real number, divide 1 by the number. for example, the reciprocal of 5 is one fifth 1/5 or 0.2, and the reciprocal of 0.25 is 1 divided by 0.25, or 4.

21/58.

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126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

they can both be solutions depends on the equation

step-by-step explanation:

what is the equation? ?