Avery old vending machine accepts only nickels (n) and dimes (d). candy costs up to $0.50, but sometimes the machine will dispense candy without any coins being inserted into the machine. which inequality shows all of the ways to obtain a candy bar from the machine

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?