What does x equal

Question

0

627

2

What does x equal if 3 = 27/x²

Guest Jan 10, 2017

edited by Guest Jan 10, 2017

HighSchoolCalculus · Answer 1 · 2017-01-10T01:15:57

3x^2 = 27

x^2 = 9

x=3

(lnverse operations)

Guest · Answer 2 · 2017-01-10T01:49:51

Shaquille goes on a four mile run each Sunday. His run typically takes 38 minutes. He wants to increase this distance to 7 miles.

Part A: Write and solve an algebraic equation to find the time it would take him to run 7 miles.

Part B: How long would it take him to run a marathon (26.2 miles)?