A worker is using a particle accelerator. described as -5x+2y=18, where x is time and y is velocity in kilometer per hour. Deter

Question

4 years ago

7

mine when the particle will reach 70 km/hr

1 answer:

Darya [45] · Answer 1 · 2022-02-13T12:11:51+03:00

Answer:

If x is 24.4 then y will be 70.

Step-by-step explanation:

Add 5x to both sides to isolate y. The equation should be 2y=18+5x

Divide all terms by 2 to get y=9+2.5x

If y is 70, the equation is 70=9+2.5x

Subtract 9 from both sides to get 61=2.5x

Divide both sides by 2.5 to get x=24.4