Step-by-step explanation:

its 1/4 of the circle
circle circumference:

we need 1/4 of it, so its

Answer:

Step-by-step explanation:
Given that the bag contains black and red marbles.
Number of black marbles in the bag = 2
Number of red marbles in the bag = 3
Total number of marbles in the bag = Number of black marbles + Number of red marbles = 2 + 3 = 5
Let us have a look at the formula for probability of an event E, which can be observed as:


Now, the marble chosen at first is replaced.
Therefore, the count remains the same.

Now, the <em>required probability</em> can be found as:

Step-by-step explanation:
since it's an Equilateral triangle
then:
g=15
h=96°
Answer:175
Step-by-step explanation:
1. Turn 28% into a decima: 0.28
2. Multiply 1250 by 0.28 to get the amount of ninth grade students:350
3. Half the amount of ninth grade students:175
The Aon Center is taller. You just need to look at the place values, like 5 and 10. Which is bigger? the ten of course.