Ametalworker has a metal alloy that is 20% copper and another alloy that is 65% copper. how many kilograms of each alloy should the metalworker combine to create 100 kg of a 56% copper alloy? the metalworker should use _kilograms of the metal alloy that is 20% copper and _kilograms of the metal alloy that is 65% copper. (type whole numbers.)

no

step-by-step explanation:

2-7=-5

7-2=5

when you combing like terms for ech expression, 5 and -5. these numbers are not equal to each other.

square pyramid

step-by-step explanation:

square prism looks like nothing like that

triangular prism has a rectangular base instead of a square base

tetrahedron has a triangular base

it’s supposed to be -4+45=41

step-by-step explanation:

step-by-step explanation: