Answer:
3 4/5
Step-by-step explanation:
7 3/5=38/5
38/5 divided by 2 = 19/5
19/5=3 4/5
The slant height, x, is 7.5 mm because you use the pythagorean formula and solve for c, since the you're solving for the hypotenuse which is the longest side.
45 = (x) + (x + 1) + (x + 2)
45 = 3x + 3
- 3
42 = 3x
/3
14 = x
45 = 14 + (14 + 1) + (14 + 2)
45 = 14 + 15 + 16
The ages of the 3 friends are 14, 15, and 16.
Answer:
A∩B=∅
Step-by-step explanation:
A intersect B have no elements in common - so we have the empty set.