Tiến hành khảo sát mẫu trẻ em. tính được khoảng tinh cậy 95% cho tỷ lệ trẻ em béo phì là từ 20% đến 30%. khi đó giá trị độ chính xác cho ước lượng tỷ lệ trẻ em béo phì là

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Three baby penguins and their father were sitting on an iceberg 0.50.50, point, 5 meters above the surface of the water. the father dove down 4.74.74, point, 7 meters from the iceberg into the water to catch dinner for his kids. what is the father penguin's position relative to the surface of the water?

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h