tabathaduehr tabathaduehr
  • 02-01-2022
  • Mathematics
contestada

solve quadratic by taking square roots. as=a,-a where a and -a the values you found when when solving. Round to nearest tenth. 2x^2-9=121

Respuesta :

Queenallicat23 Queenallicat23
  • 02-01-2022

Answer:

8.1

Step-by-step explanation:

2x^2 -9 = 121

        +9    +9

2x^2 = 130

/2         /2

x^2   = 65

x= sqrt (65)

x= 8.06225...

x = 8.1

Answer Link

Otras preguntas

Graph the function. y = 3 square root x
- C3H8 + _ 02 → _CO2 +_H2O How many moles of O2 needed to make 3.3 moles CO2?
3x10^-2 divided by 8x10^-1
What country has the most powerful nuclear weapons.
Zach worked 1,040 hours this year and made $9 per hour. How much money did he earn over the course of the year? $9,060 $9,360 $10,360 $12,660
For all real numbers b and c such that the product of c and 3 is b,which of the following expressions represents the sum of c and 3 in terms of b?
Find cos (B) in the triangle
A book has a total of 25 characters. Maya reads 20% of the characters how many did maya read
9// Please help for 20 points!! thank you if you help
Sal's Sandwich Shop sells wraps and sandwiches as part of its lunch specials. The profit on every sandwich is $2, and the profit on every wrap is $3. Sal made