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

look at the picture , may you please help me :)

The best method for testing the continuity of each part of an appliance uses a. a voltmeter. c. an ohmmeter. b. an ammeter. d. a wattmeter.

Solve for x. 1/4+1/2+x=−3/4

Why amorphous solids are called super cooled liquids?

325 people were in a tour group. Six buses were completely filled and 7 people chose to walk. How many people did the bus hold?

The product of 126 times 52 is more than 125 x 52, but by how much more? show the steps that you took to answer the problem by using mathematical language

14=-2k+3 I need help with this problem. I'm getting multiple answers. One answer is k = -5.5 Another answer is k = -11/2 Can you help me understand this? Are th

Can dowels be chopsticks, since both of them are wood?

The Aurora Borealis or northern light occur when solar flares react with the atmosphere near the north poles. The Aurora give off colred light because electric

How did a warming climate 12,000 to 10 thousand years ago impact the paleo- Indians living in the Americas at the time