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

what is 25/99 as a decimal terminating decimal or repeating decimal
How do I convert negative 3 over 5 to a decimal
A large box of crayons holds 60crayons.There 10 crayons in each row how many rows are there ? What's the situation and the equation?
write 2,000,000,000 + 70,000,000 + 100,000 + 3,000 + 800 + 10 in standard form.
What is the range of {(1, 2), (3, 4), (5, 6)}?
write three ratios that are equivalent to the one given 18 rights handed student for every 4 left handed students
Describe how the coming of World War II ended the Great Depression. What region of the nation benefited most spectacularly?
What number is not part of the domain of f(x)= 3/ x+5 (3 over x + 5)
Evaluate 14.3 + 8.2 x 30
Derive identity sin(3x) = 3 sinx−4 sin³x