birchjoy22 birchjoy22

15-08-2021
Mathematics

contestada

Solve the problem please

Solve the problem please class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

15-08-2021

Answer:

x = 9±sqrt(7)

Step-by-step explanation:

3(x-9)^2 =21

Divide each side by 3

3/3(x-9)^2 =21/3

(x-9)^2 =7

Take the square root of each side

sqrt((x-9)^2) =±sqrt(7)

x-9 =±sqrt(7)

Add 9 to each side

x = 9±sqrt(7)

Answer Link

Otras preguntas

Consider the reaction of potassium carbonate with calcium nitrate to form potassium nitrate and calcium carbonate: Suppose 50ml of a 0.250M potassium carbonate

Pavlov taught a dog to salivate at the sound of a ticking metronome by repeatedly pairing the ticking metronome with food. In this example, the ticking metronom

Which is the next structure to contact air after it passes from the nose to the nasal cavity? the pharynx the larynx the bronchus the trachea

During 2018, the cash flows related to Global Data, Inc.'s lending and borrowing activities are summarized as follows: Cash lent to borrowers $129,600 Payment

The inventory of Royal Decking consisted of five products. Information about the December 31, 2021, inventory is as follows: Per Unit Product Cost Replacement C

What is 6n+7=13+7n solved step by step

Using the following accounts and an overhead rate of 90% of direct labor cost, determine the amount of applied overhead. Work in Process Inventory Beginning WIP

What dose the word robust mean

Write a loop that displays all possible combinations of two letters where the letters are 'a', or 'b', or 'c', or 'd', or 'e'. The combinations should be displa

13. A sprinkler system can shoot water at a distance of 15 yards. It is set up to rotate 240 degrees. How much area of the yard is covered by the sprinkler?