What will 53,000 rounded to the nearest ten thousand be how do i show my work on a number line

Solve 2x+y=3 x+y=5 in substitution method

What is the x-intercept and y-intercept of the equation 2x+1. 2o

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters