2 years ago

Lewis can run a 40-yard dash in 4.8 seconds. On average, how many feet does he run per second?

Mathematics

1 answer:

aksik [14]2 years ago

4 0

over 5 seconds, a guy that runs a 4.4 runs about 5 extra yards further than a guy running a 4.9

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2(x+1)=3x-x+2 help fast and show work please

Stells [14]

Answer:

0=0

Step-by-step explanation:

$2(x+1)=3x-x+2\\\\\mathrm{Add\:similar\:elements:}\:3x-x=2x\\2\left(x+1\right)=2x+2\\\\\mathrm{Expand\:}2\left(x+1\right):\quad 2x+2\\2x+2=2x+2\\\\\mathrm{Subtract\:}2\mathrm{\:from\:both\:sides}\\2x+2-2=2x+2-2\\\\Simplify\\2x=2x\\\\\mathrm{Subtract\:}2x\mathrm{\:from\:both\:sides}\\2x-2x=2x-2x\\\\Simplify\\0=0\\\\\mathrm{True\:for\:all}\:x$