Eric has 46 total marbles (4*10)+6
Answer:
-1/8
Step-by-step explanation:
Problem: 7/10 - 1/2
1/2 = x/10 Find the common denominator
1/2 = 5/10
Subtract the numerators
7-5
Answer: 2/10
Simplest form: 1/5
Check the picture below.
we know the area is 1586, so

The three inside angles of a triangle need to equal 180 degrees.
To find X subtract the two known angles from 180.
X = 180 - 45 - 70
X = 65 degrees.