$~~~~~x^3+3x^2-9x+5=0\\\\\implies x^3-x^2+4x^2-4x-5x+5=0\\\\\implies x^2(x-1)+4x(x-1)-5(x-1)=0\\\\\implies (x-1)(x^2 +4x -5) = 0\\\\\implies (x-1)(x^2+5x -x -5) = 0\\\\\implies (x-1)[x(x+5) -(x+5)] =0\\\\\implies (x-1)(x-1)(x+5)= 0\\\\\implies (x-1)^2(x+5) = 0\\\\\implies x = 1,~~ x = -5$

6 0

2 years ago

The median of 2,3,3,4,5,6,6,6,7,9

nekit [7.7K]

Answer:

11/2

Step-by-step explanation:

2,3,3,4,5,6,6,6,7,9

5+6/2

11/2

hope it's helpful ❤❤❤❤❤❤

THANK YOU.

6 0

3 years ago

A triangular window is above the door to a cafe. The base of the window is 12 ft, and the height is 10 ft. What is the area of t

Tcecarenko [31]

The area of the window is 120 ft.

3 0

3 years ago

The data set below shows the number of players on each softball team in a tournament:

Tomtit [17]

Answer:

The average X bar would be 9.78

Take all players

Add them all together, you received 137

Then divide by the total number of players 14

147/14 = 9.79 with rounding to the second placement (100ths)

Step-by-step explanation:

8 0

3 years ago