Algebra word problem..please help..?
The difference of a number and 2 times its reciprocal is 7/3. Find the number.
Show your work, and best answer gets 5 stars!!
The difference of a number and 2 times its reciprocal is 7/3. Find the number.
Show your work, and best answer gets 5 stars!!
Comments
x - 2/x = 7/3
x^2 - 2 = 7/3*x
x^2 - 7/3*x - 2 = 0
(x + 2/3)(x - 3) = 0
x = -2/3, x = 3
If the pupils cutting-edge grade is a ninety% then we’re of path assuming it’s out of a hundred% ninety/a hundred Now because of the fact the pupils grade better 20% from the final grading era then you certainly upload that to the previous a hundred% supplying you with ninety/ a hundred and twenty = .75 and because grades are in probabilities you multiply .75 by employing a hundred supplying you with 75% because of the fact the pupils previous grade