jineadelisha jineadelisha

02-04-2020
Mathematics

contestada

Work out the two possible answers 2b2 (2b squared) + 4 = 12

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

02-04-2020

Answer:

b =±2

Step-by-step explanation:

2b^2 + 4 =12

Subtract 4 from each side

2b^2 +4-4=12-4

2b^2 =8

Divide by 2 on each side

2b^2 /2 =8/2

b^2 =4

Take the square root on each side

sqrt(b^2) = ± sqrt(4)

b =±2

Answer Link

Otras preguntas

One number is eight less than a second number. Five times the first is 6 more than 6 times the second. Find the numbers. The value of the first number is _____.

At first, when he begins to time travel, what is the Time Traveller preoccupied by in The Time Machine? A. How long he would travel B. Where he would stop C. Wh

Look at the image to see the question

(2)Study the figure below and use the counting square method to determinethe perimeter and area of the diagram in the grid. The idea for using thecounting squar

there is a label__(in ,at,on) the inkpot.

please help meeee!!!!!

Who provides public services to the people and how do they provide it?(please fast I need till August 2)

As regiões do Brasil são divididas segundo as suas particularidades. Cada uma delas apresenta características específicas em relação ao território que abrange.

What are the qualities that Yeats wants his daughter to cultivate?

Which statement best compares the main characters in "The Prodigal Son" and "The Glass of Milk"?