Haley52605 Haley52605

03-09-2018
Mathematics

contestada

The difference between the solutions to the equation x^2=a is 30. What is a? Show that your answer is correct.

Respuesta :

12-09-2018

solution:

x˄2 = a ⇒ x = ±√a

The difference between the solutions is

√a - (-√a) = 2√a = 30 ⇒ √a = 15

Therefore,

a = 225.

Answer Link

Otras preguntas

i need this done before 11:59 please help !

electrons of the outermost energy level

WILL GIVE BRAINLIEST How do Sumer have a great impact on western world Please and thank you

“12 Angry Men” what makes No.8 angry enough to pull something out of another juror’s hand?

Drag the cards to create a number that matches these rules. 1.The number ends in the tenths place. 2. 50 is the nearest ten when rounding

The area of a circular Garden is 3850cm^2. Find the length of wire of sturns.

The perimeter of a rectangle is 64 m and its length is 3 times its width, what is the length of the Rectangle?

Imani has 2 part-time jobs. One pays $7.50 per hour for dog grooming, and the other pays $8.25 per hour at a grocery store. Help her find a way to earn (exactly

In a fruit cocktail, for every 15 ml of orange juice you need 25 ml of apple juice and 10 ml of coconut milk. What proportion of the cocktail is apple juice? Gi

It takes A 12 hours alone, B 14 hours alone, and C 21 hours alone to move the goods in a warehouse. The three of them work together at the beginning, but A left