Seudónimo Seudónimo

01-04-2015
Mathematics

contestada

2x squared plus negative 5 - 10 equals zero

Respuesta :

Panoyin Panoyin

01-04-2015

2x² + (-5) - 10 = =
2x² - 5 - 10 = 0
2x² - 15 = 0
   + 15 + 15
   2x² = 15
   2 2
   x² = 7.5
      x ≈ 2.74

Answer Link

Аноним Аноним

01-04-2015

X² will be 7.5 i think the person who answered it below did a very good job congratulation

Answer Link

Otras preguntas

copy this figure onto grid paper. draw line to divide the figure into 4 congruent polygons. how do you know the ploygons are congruent

An oscillator makes four vibrations in one second. What is its period and frequency?

what is the answer to this question -√(12)+5√(75)

what percentage of 1457 is 898?

what are two human uses for mosses?

what is perpendicular to y= 3x -9 and passes through the point (3,1)

a piece of wood is 180cm long, Tom cuts it into three pieces in the ratio 2:3:4 Work out the length of the longest piece

In a class of 35 students, 25 girls averaged 92% on the last test, while the 10 boys averaged 85% on the same test. What is the average for the entire class on

what are the landforms of vermont

what percentage of 1457 is 898?