jay47374 jay47374

04-06-2019
Mathematics

contestada

Solve by extracting roots. Round your answers to two decimal places.

5a² - 85 = 2.2a² - 30

Respuesta :

Desmariesin Desmariesin

04-06-2019

Answer:

2.8a = 7.4

Step-by-step explanation:

5a² - 85 = 2.2a² - 30

+ 85 = + 85

5a² = 2.2a² +55

- 2.2a² = -2.2a²

2.8a² = 55

√2.8a² = √55

2.8a = 7.4

Answer Link

Otras preguntas

What is the answer to 13=5-8m

how did the role technology play in the construction of the erie canal and empire building

a group of cells with the same or similar function make what?

What value(s) of x make the equation x2 - 18x + 81 = 0 true?

how is the periodic table of the elements arranged?A. in a neat grid with 10 rows and 11 columnsB. by aligning groups with common propertiesC. alphabeticallyD.

What if the form of government that the colonists wanted

An error that gradually crept into the writings of some of the church fathers was: baptism as a requirement for salvation the divine inspiration of church d

which of these is most closely related to the theme of culture?

is a book sitting high upon a shelf a balanced force or an unbalanced force

The khan's car average 22 miles per gallon of gas predict how far they can travel on 5 gallons of gas