there are 78 workers for every 12 machines in a factory. what is the ratio of the number of machines to workers?

There are 78 workers for every 12 machines in a factory. What is the ratio of the number of machines to workers? => 2 : 13 or 13 : 2 or 1 : 13 or 13 : 1..

A machine produces 10 nuts per hour in a factory. Which graph shows the relationship between the number of hours and the nuts produced? => Graph 3 or Graph 2 or Graph 1 or Graph 4..

Each worker is paid $1776 per month in a factory. Workers are paid an additional $108 per day if they work during weekends. Which of the following equations represents the monthly earnings of a worker, if y represents the wage per month and x represents the h..

Select each variable as discrete (D) or continuous (C). I. The number of burglaries reported each month in a city. II. The number of business units a person has. III. The number of workers in a factory. IV. The amount of calcium contained in a glass..

Two hundred bolts were selected at random from the production of 4 machines. The number of defective bolts are 4, 9, 12 and 3. At a significance level α = 0.05, find the chi-square test value and check whether there is a considerable difference between the m..

Find the work input of a machine if its efficiency is 0.93 and work output is 12 z 9 Joules. => 0.78 z 9 Joules or 0 . 0 8 z 9 Joules or 1.29 z 9 Joules or 7.75 z 9 Joules or 12.9 z 9 Joules..

Determine the relationship between the number of workers and the number of days required to complete a job. Number of Workers ( x ) Number of days ( y ) 2 60 3 46 4 30 5 22 6 20 7 25 8 15 9 18 10 12 11 16 12 10 => posit..

The above information can be represented as Let the diet contain x units of A and y units of B. \ Total cost = 2x + 4y The LPP formulated for the given diet problem is Minimize Z = 2x + 4y subject to the constraints 02. In the production of 2 types of toys, a factory uses 3 h..

>The lever belongs to class I. Example 2 : A wheel barrow which is stationary has its C.G. at X (shown in figure below), the weight of wheel barrow is 50 N which holds 550 N of cement. Calculate the minimum force required to keep the leg just off the ground. What is the M.A. of this ..

Humans can only live about five minutes without air. Dry air is generally a homogeneous mixture (solution) of nitrogen gas (78%), oxygen gas (21%), and traces of other gases. Some of the other gases are waste products of human activities and are known as air pollutants. Air pollution may ..