subject
Mathematics, 14.02.2020 04:25 moose5597

Solve the following equation by making an appropriate substitution. x Superscript negative 2 Baseline minus 2 x Superscript negative 1 Baseline minus 15 equals 0 Make an appropriate substitution and rewrite the equation in quadratic form. Let uequals xz-1 x Superscript negative 1, then the quadratic equation in u is u^2-2u-15(-5)(u+3) (u-5 )(u+3 ).

ansver
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 12:50, jdkrisdaimcc11
  best answer for the question.1.     divide  7/24  by  35/48  and reduce the quotient to the lowest fraction. 
Answers: 2
image
Mathematics, 21.06.2019 15:00, m4167281
Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?
Answers: 1
image
Mathematics, 21.06.2019 21:00, OceanClaws
The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm
Answers: 1
image
Mathematics, 22.06.2019 02:00, joellianamikhai3123
An isosceles trapezoid with a perimeter of 42 inches. each of the congruent non parallel sides is 5 inches long, and the trapezoid is 3 inches tall. how long are the two parallel sides? a. 10 in, 22 in b. 16 in, 16 in c. 10 in, 16 in d. 12 in, 20 in
Answers: 1
You know the right answer?
Solve the following equation by making an appropriate substitution. x Superscript negative 2 Baselin...

Questions in other subjects:

Konu
Mathematics, 08.10.2019 01:00