First you would do 185-57 which gets you 128 next divide it by 2 which gets you 64 so Angelo has 64 and Dean has 121 stamps and together they have a total of 185
Answer:
x = 40
Step-by-step explanation:
3x + (x+20) = 180
Answer:
They are the two variables in the equation. They could will have different or the same values, but are seperate mathematical and logical entities.
Answer:
the answer for this question is 1.5
4*1.5=6
6+2=8
Answer:
Angle BCA = 90
Step-by-step explanation:
A triangle inscribed inside of a circle using the diameter as it's hypotenuse is a right triangle
Where the angle opposite of the hypotenuse ( or diameter ) is the right angle
Angle BCA is the angle opposite of the diameter
Hence BCA = 90