lagaria
lagaria lagaria
  • 11-10-2016
  • Mathematics
contestada

Solve – 7 = √ 2x – 9.

Respuesta :

SJ2006
SJ2006 SJ2006
  • 11-10-2016

-7 =√2x -9

√2x=9-7

√2x = 2

x= 2/√2

x=√2

Answer Link
apologiabiology
apologiabiology apologiabiology
  • 11-10-2016
add 9 to both sides
9-7=√2x
2=√2x
squqre both sides
4=2x
divide both sides by 2
2=x
Answer Link

Otras preguntas

A bag contains 5 red marbles, 3 blue marbles, 7 yellow marbles, and 2 green marbles. Which ratio can be used to compare the red marbles to the blue marbles? A)
Which of the following is not a power of the United States Congress? A. Regulating commerce between the states B. Enforcing immigration laws C. Levying and c
Civil war broke out in Nigeria because of conflict between a. nations. c. religious groups. b. ethnic groups. d. government officials.
is 7/20 equal to 0.07
Which statement about Niels Bohr’s atomic model is true? Higher orbits have lower energies. Each orbit has a specific energy level. Electrons can exist in any e
When x=12 y=8. Find x when y=12
Connor has a roll of fence that is 25 feet long.He needs 8 yards of fence to go around a flower bed. Does he have enough fence to go around the flower bed? Expl
You have checked out b books from the library, where b is a number greater than 5. You plan to read three of the books and return them at the end of this week.
Trafficking drugs means selling them illegally. a. True b. False
Write a balanced chemical equation for the reaction of magnesium with hydrochloric acid (HCI (aq) to form Magnesium chloride and hydrogen gas: