Answer:
9/49
Step-by-step explanation:
4 purple beads and 3 green beads. = 7 beads
P(green) = green / total = 3/7
It is replaced
4 purple beads and 3 green beads. = 7 beads
P(green) = green / total = 3/7
P( green ,replaced, green) = 3/7 * 3/7 = 9/49
Given. Total 8 math class, 222 students in total. One class is 32 student and 7 equally size.
Use 221 - 32 = 189 students
Let x be the equally size. 7x=189, x= 27 students
X=40
A circle is 360 degrees.
Answer:
39 cents
Step-by-step explanation:
48/16=3
3*13=39