Select a counter - example that makes the conclusion false.

You select three marbles from a bag and each of them are black.

conclusion: all the marbles in the bag are black

85% is 252 of what number?

Guy wants to add 7,145 and 8,265 and using mental math strategies what steps could guy take to add the number is guy, s answer correct explain

If a foundation is 60' by 20' what is the perimeter of the foundation in feet?

Is y=3x + 3 or y=5x - 6 steeper?

Michael has 14 video games that he no longer plays. Five of the video games do not work. If he wants to sell the working video games for $12 each, How much money will he collect?

Which of the following would NOT be appropriate for measurement in evaluation research? A. the sample size. B. the dependent variable (s) C. the experimental context D. the independent variable (s) E. the outcome (s) of the experiment

When is a rectangle a square?

A city has a population of 310,000 people. Suppose that each year the population grows by 8.25%. What will the population be after 5 years?

A manufacturing company makes 1,125 items every hour. Which of these statements are true? Check all that apply. 3,255 items are made every 3 hours. 4,500 items are made every 4 hours. 5,625 items are made every 5 hours.

The size of a triangle measure 6 inches, 8inches and 10 inches. the triangle has one 90 angle. what type of triangle is it