Targeting a Sample Population
English
to
Match each survey questoin to the sample of the population it is targeting
Do the families in Middletown
want a new elementary school?
Middleton residente
What percentage of Middleton residents
support the current mayor?
Middletom waters
Do the residents of Middletom
want a new public park?
Middleton families
Intro

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan

The rate of decay of a radioactive substance depends upon the amount present initially. the mass y (mg) of the radioactive substance cobalt-60 present in a sample at time t (years) is represented by the exponential equation y=50e −0.1315 t . answer the following questions in complete sentences. 1. how does the exponential equation above compare to the equation for simple interest that is compounded continuously? explain the similarities. 2. what is the initial amount of cobalt-60 in the sample? 2. how much cobalt-60 is left after 8.4 years? show your work. 3. what would be the y-intercept of the graph? what does it represent? 4. after how many years will the amount of cobalt-60 left be 6.25 mg? explain what happens to the cobalt-60 after 50 years? 5. discuss some “real-world” examples and uses of cobalt-60

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?