Một bao bột mỳ có trọng lượng từ 39,5 đến 40,5 được coi là đạt tiêu chuẩn. Một lô hàng gồm 8.000 bao bột mỳ. Kiểm tra ngẫu nhiên 100 bao thấy có 10 bao không đạt tiêu
chuẩn. Với độ tin cậy 95% xác định số bao bột mỳ đạt tiêu chuẩn tối thiểu của lô hàng.

Which equation is y = -6x2 + 3x + 2 rewritten in vertex form?

Consider the following geometry problems in 3-space enter t or f depending on whether the statement is true or false. (you must enter t or f -- true and false will not work.) f equation editorequation editor 1. a plane and a line either intersect or are parallel t equation editorequation editor 2. two planes parallel to a third plane are parallel f equation editorequation editor 3. two lines either intersect or are parallel f equation editorequation editor 4. two planes orthogonal to a third plane are parallel f equation editorequation editor 5. two planes orthogonal to a line are parallel f equation editorequation editor 6. two planes either intersect or are parallel f equation editorequation editor 7. two lines orthogonal to a third line are parallel t equation editorequation editor 8. two lines parallel to a third line are parallel t equation editorequation editor 9. two planes parallel to a line are parallel f equation editorequation editor 10. two lines parallel to a plane are parallel f equation editorequation editor 11. two lines orthogonal to a plane are parallel

What is the area of the shaded sector?