jimmyjohnsm jimmyjohnsm
  • 18-07-2015
  • Mathematics
contestada

solve the equation the square root of the quantity x plus 3 plus 4 equals 5 for the variable.

Respuesta :

Paweł19 Paweł19
  • 18-07-2015
Domain:  expression under square root is greater or equal than zero.

x+3>0
x>-3

Then:

[tex]\sqrt{x+3}}+4=5 \qquad |-4 \\ \\ \sqrt{x+3}=1 \qquad |(...)^2 \\ \\ x+3=1 \\ \\ x=-2 \in D[/tex]

So the answer is x=-2
Answer Link

Otras preguntas

epiphytic and parasitic plants grow on which of the following? A.humans B.rocks C.dogs D.Plants
16 is 40% of what number?
Which answer choice does not contain any punctuation errors? A. "Will that sofa fit through the front door?" Dad asked. B. "Will that sofa fit through the front
Jorge is building a table out of boards that are 3.75 inches wide he wants the table to be at least 36 inches wide how many boards does he need
When you push or pull something, you are applying a force to it. Anything that has mass, especially very large objects like the planet earth, has a force called
Danni counted 48 apples in a basket of apples.The basket really countained 46 apples.
24 is 30% of what? Help
$49.95CD player; 5%tax
what factors were in place at the end of the civil war that helped create a surge in industrial growth?
Which describes a value for density?