jeanlubin745 jeanlubin745

02-08-2020
Mathematics

contestada

Solve for x in the equation 2xsquared-5+1=3.

Respuesta :

chezzah chezzah

05-08-2020

Answer:

x = 1.87

Step-by-step explanation:

2x^2 - 5 + 1 = 3

2x^2 = 3 + 5 - 1

2x^2 = 7

x^2 = 7/2

x = √3.5

x = 1.87082.....

x = 1.87 ( 3 significant figures )

Answer Link

Otras preguntas

What color is the eye most sensitive too? What color do the eyes mostly see? What colors do the eyes not see ?

If using the method of completing the square to solve the quadratic equation x^2+8x-4=0 which number would have to be added to "complete the square"?I need the

Trapezoid ABCD was dilated to create trapezoid A’B’C’D’. Which statements are true about the trapezoids? Select three options

10.187 electric poles were fixed along a road at a regular interval of 20m. What was the totaldistance fixed with the poles in km?

y = x - 4 y = 4x + 2 x= y =

Bell eastern zhou dynasty what does this bell show about the the development of metal casting and metalworking in ancient china

In the triangle shown below, which altitude length can be found without using the Distance Formula? What is the length?

A students cost for last semester at her community college was 2100 she spent 231 of that on books what percent of last semesters college costs was spent on boo

Simplify (30+20)×50 pls find ans

Find the difference. 6 - (-3) =