alexmartini234 alexmartini234

04-05-2017
Mathematics

contestada

Solve the equation using square roots. Select the solution(s).
(2x−1)²=81

Respuesta :

HammyTheKid HammyTheKid

04-05-2017

first you find the square root of both sides
2x-1 = 9
then add 1 to both sides
2x=10
then divide both sides by 2
x=5

Answer Link

Otras preguntas

simply the expressions 1. 4x + x + 3 + 8x 2. 9x - 5x + x - 3x 3. 5a - 4b + 2c - 3b - 6c + a

Which of these was a feature of the relationship between the Soviet Union and the United States in the era leading up to detente

Which is the closest antonym for the word notable? A Unimportant B Plentiful C Satisfying D Respectable

Read Shedding Light on a Dark Day, by Robin Meriwether. The paragraphs have been numbered to help you identify them more easily. Shedding Light on a Dark Day, b

How many 3 card hands are possible with a 13-card deck?

I need help with these two

please help me I really don't know how to do this

The international standard letter/number mapping for telephones is: Write a function that returns a number, given an uppercase letter, as follows: def getNumber

A group of 10 students participate in chess club, karate club, or neither. Let event A = The student is in karate club. Let event B = The student is in chess cl

What economic characteristics of the Gilded Age (1870s-1890s) might have helped to contribute towards consumerism in the 1920s?