Solve for x.

8x2−3=2

x=±10√4

x=±10√2

x=±5√2

x=±5√4

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

For each proportion find the unknown number x 1/5/8=×/15

What is the value of x in the equation7x+2y=48 when y=3