Hello there! Circumference is pi * diameter. Radius is ½ of the diameter. In order to find the diameter, all you have to do is divide the circumference by pi (3.14). 84.78/3.14 is 27. Now, divide that number by 2 to get 13.5. There. The radius of the Brazillian coin is 13.5 mm.
Answer:
The answer would be y=-8
Answer:
5x = 2y
Step-by-step explanation:
Answer:
d. r > 0, V(r) > 0
Step-by-step explanation:
The radius represent a measure of lenght and the volume a measure of space, and both, lenght and space, cannot be negative, so both have to be > 0
Answer:
I believe the answer is triangle A.
Step-by-step explanation:
Since we know that sine is opposite over hypotenuse, and that the sine is being taken from angle A, triangle A is the correct answer.
Hope this helps!