amachine cost $45000 to purchase, fuel and minor maintenance are estimated to cost $12.34 per operating hoour (those hours when the engine is operating and machine is doing work). a set of tires cost $3'200 to reace, and their estimated life is 2,800 hr use the machine is expected to last for 8,400hr , after which it will sold at a price equal to 10% if original purchase price. a final set of new tires will not be purchased before the sale. how much should the owner of the machine charge per hour of use, if it is expected that the machine will operate 1,400hr per year? the company's cost of capital rate is 7%.

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Arandomized controlled trial is designed to evaluate the effect of metoprolol in patients with heart failure. while preparing for statistical analysis, the researcher reviews some common types of statistical errors. which of the following statements is true regarding a type i error in a clinical study? a. the study is not significantly powered to detect a true difference between study groups. bthe null hypothesis is true but is rejected in error. c. the null hypothesis is false but is accepted in error. d. type i error is also known as beta and is usually 0.1 or 0.2. e. type i error depends on the study's confidence interval.

1- how are translations represented as a function? . . 2- what is the relationship between a translation and a rigid motion? answer my grade depends on it! you so much