Solve1/2+1/2x=x^2-7x+10/4x by rewriting the equation as a proportion. 2 2x 4x Which proportion is equivalent to the original equation? x+2/2x=x^2 - 7x + 10 x-1/2x=x^2-7x-10 4x x+1/2x=x^2 - 7x+10 4x​

answer: 140

step-by-step explanation:

so just add all then it will be your answer but i am not pretty sur eif it is but hope this i am here to people

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m

answer: 7

step-by-step explanation: