sniveacunningham sniveacunningham

24-02-2020
Mathematics

contestada

Which choice represents the solution for x2 = 676?

A) x =
16
B) x =
676
C) x = ±
16
D) x = ±
676

Respuesta :

profarouk profarouk

24-02-2020

Answer:

x = ±26

Step-by-step explanation:

676÷2=338

338÷2=169

169÷13=13

13÷13=1

then 676 = 2²×13² = 26²

then x² = 676 ⇔ x² = 26² ⇔ (x-26)(x+26) = 0 ⇔ x = 26 or x = -26

Answer Link

Otras preguntas

Use the figure below to complete the following problem. 2 + 3 = 90 120 180

True or False: Those using a learner’s permit have restrictions on when they may drive because alcohol-related crashes are most likely to occur during school ho

a department store has 950 customers one day, and 82% of the customers made a purchase. of the customers that made a purchase, 538 bought just one item, 186 bou

It takes 46 minutes for 10 people to paint 3 walls. How many minutes does it take 4 people to paint 6 walls?

Is the following quotation set up properly? Why or why not? "Dr. Leonard McCredie stated, 'Literature's purpose within our society is an important one'" (32). N

please help!!!! FAST PLEASE If the cos of angle x is 8 over 17 and the triangle was dilated to be two times as big as the original, what would be the value of t

find the unit rate and show step by step and explain how you do each step please . I am going to give you three problems answer them and explain each step and

Some people prefer to have a man as the pilot of their airplane because

Is Jessica Andrea a gold digger?

"which powershell cmdlet shows the connection status for directaccess?"