Answer:
Step-by-step explanation:
Answer:
Part C
Look at the circle you created that has point C(the midpoint of AB) as its center and passes through point A.
What can you say about AB, about the inscribed angle of a circle, and include your reasoning in your response.
I didn’t know which problem you specifically needed help with, but I hope this helps.
For this case we have the following expression:

We have to:

Rewriting the expression and simplifying we have:

Answer:

84 blue marbles.
Steps:
1) Use the 3:7 ratio
2) Since there are 36 red marbles, you should know to multiply the ratio by 12.
3) Multiply 7 by 12 (7x12=84)