Answer:
6:05
Step-by-step explanation:
.. .................
Step-by-step explanation:
Diameter = 2r
= 7.7 = 2r
7.7/2 = r
3.85=r
Algebra
Since the numbers are the same, you are allowed to add the exponents.

Answer:
No
Step-by-step explanation:
Use the pythagorian theorm to find whether it's a right triangle or not.
So the hyp will be the largest number. And the hyp must be equal to the sum of b and c squared
5.2 squared= 2.4 squared+ 4m5 squared
27.04= 26.01
It's not equal so the triangle isn't a right triangle.
Ah the qustion is messed up if its 12<13 its right if its 65.50?65.49 it is > the tiny part is smaller and open part is beiiger its like a dinousar chooses what to it, u gotta help him choose a bigger food.