emily29880 emily29880

12-12-2019
Mathematics

contestada

Solve using the quadratic formula: 2x^2+10x+15=0

Respuesta :

adeadeniyi783 adeadeniyi783

12-12-2019

Answer:

-1.382 & -3.618

Step-by-step explanation:

-b+-sqrtb^2-4ac/2a

a=2

b=10

c=15

-10+-sqrt10^2-4(2)(15) = -10+-sqrt20

= -10 +- 4.472

= -10 + 4.472 =-5.528/4 =-1.382

-10 - 4.472 =-14.472/4 = -3.618

Answer Link

Otras preguntas

All blood vessels containing oxygenated blood are colored red EXCEPT for ?

Is “Of the book” a phrase or a clause?

please can someone tell me what is 687.7856 rounded to the nearest hundredth

Mrs. M drove 10 minutes at 60 miles per hour, then 20 minutes at 30 miles per hour. For the rest of the hour, she drove at a rate that put her 48 miles from her

Please help y’all In the diagram below, XY is tangent to OC at point P. What is m

Rama's weight is 4okg: She is carrying a load of 20kg up to a height of 20 meters.what work does she do?Also mention its type of work

How many grams is 2.393 x 10^24 atoms of CI 70.45 g CI 140.9 ga 140.9 mole CI 70.45 mole CI How many grams is 2.393 x 10^24 atoms of O 70.45 g O 140.9 g O 63.58

What elements of art is found in the scene? of ifugao rice terraces

is the experience of losing a loved one and is the emotional reaction to the loss. grief; bereavement bereavement; grief widowing; distress bereavement; solitud

Write an expression using an exponent to represent the following: Adnan Start with one coin. the number of coins doubles every day. How many coins will he have