500 + 400 + 500 + 400 = 1800 400 divided by 2 = 200 and 500 divided by 2 = 250 1800 + 250 + 200 = (((((2250)))))
Answer: the answer is 11
Step-by-step explanation: to find the value of x, you must find the average of the two bases. So the equation would be 56= 4x+2x-10. Once you simplify that, you get x=11.
First find the unit rate. Do 17.5/2.5 and you get 7. Next just multiply that by 10 and voila. It takes her 70 minutes to run the whole race.
Answer:
C Population
Step-by-step explanation:
Population
The above case is an example of population survey. Here a set of 56 surveys have been performed with set of 56 students. The survey is conducted on a large scale. In statistics a population is set of similar items or events which is of the interest for some event or experiment. Since, the above experiment fits the definition of the Population, it is example of population survey.
