jeanlubin745 jeanlubin745
  • 02-08-2020
  • Mathematics
contestada

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

Respuesta :

chezzah
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

name three roles you play in your relationships with others. explain when you play each role.
Susan invests twice as much money at 7.5% as she does at 6%. If her total interest after a year is $840 how much does she have invested at each rate?
What is .368 written in expanded form?
Prove the identity: cos(3x) + cos(x) = 2cos(2x)cos(x) I'm almost done with my homework, just got stuck on this one.
Which of the following differs when comparing the deep ocean to the intertidal zone? •need for energy •salinity •the amount of sunlight •reliance on phytoplankt
the temperature on mars ranges widely from -207 f to 80 f find the average of the temperature extremes on mars
11 times 4 and 1 3rds
How do you write 1.075 in 2 other forms?
In class 6, 80percent of the children like crisps. 75percent of the children who like crisps also like chocolate. In class 6 what percentage of the children lik
shanes neighbor pledged 1.25 for every 0.5 miles that shane swims in the charity swim-a-thon.if Shane swims 3 miles,how much money will his neighbor donate?