cooneybrian cooneybrian
  • 14-05-2020
  • Mathematics
contestada

What are the solutions to the equation (x − 21)2 = 25?

Respuesta :

Аноним Аноним
  • 14-05-2020

Answer:

x=33.5

Step-by-step explanation:

(x − 21)2 = 25

2x-42=25

2x=67

x=33.5

Answer Link
Chelboy
Chelboy Chelboy
  • 14-05-2020

Answer:x=7 x=-3

Step-by-step explanation:

(x-2)^2=25

Take the Square root of both sides

(x-2)=±√(25)

x-2=±5

x=2±5

x=2+5 or x=2-5

x=7 or x=-3

Answer Link

Otras preguntas

help pls i need this right now
Becky and claire went trick or treating.At the end of the night ,they combined their candy and found they each had four large candy bars.Becky ate two candy bar
. What role does the mitochondrion play in the process of cell death?
How does a decline in a working-age population affect the economy?A) An aging population leaves fewer consumers to buy goods, leading to less of a need for skil
need help big time.. this is due in 5 mins pls help
The layer of skin that forms the fingerprint is called the
PLSSS HELLPPPPPPPPP is 128% rational or irrational
Explain the benefits of government regulation of businesses. Then, identify and describe the purpose of one regulatory agency.
The T.V.'s original price was $420. It was on sale for 40% off. What is the sale price?
PLEEEEEEEEEEEEEEEASE HELP ME WITH THIS! IT IS DUE TOMORROW!!!