QuestionMaker QuestionMaker

02-12-2017
Mathematics

contestada

A positive number is 30 less than its square. Find the number.

SHOW WORK OR YOU DONT GET ANY POINTS

Respuesta :

smartguy0365 smartguy0365

02-12-2017

x = x^2 - 30

or

x^2 - x - 30 = 0
Factors to
(x-6)(x+5) = 0

x = +6 is the positive number

Answer Link

Otras preguntas

Find the values of x and y in the diagram below. (4x-7) 86° (7y-1)⁰ (9x + 4)

Modelar con matemáticas Aleyshka está ahorrando dinero en su cerdito. Tiene 15 monedas de 25 centavos, 19 monedas de diez centavos y el resto son monedas de ci

Find the values of x and y in the diagram below. (4x-7) 86° (7y-1)⁰ (9x + 4)

how many dogs in the world

PSYCHOLOGY For this assignment, you are tasked with finding, taking, and posting a photo in your environment (inside or outside) that best reflects the informat

I need to find the easiest way to learn how to divide fractions and mixed fractions. I also don't get how to simplify.

oranges cost $3.42 for 9 pounds at this rate how much would 12 pounds cost ?

Translate the sentence into an equation. Seven times the sum of a number and 6 is equal to 5. Use the variable b for the unknown number.

Find the values of x and y in the diagram below. (4x-7) 86° (7y-1)⁰ (9x + 4)

oranges cost $3.42 for 9 pounds at this rate how much would 12 pounds cost ?