Answer:
Step-by-step explanation:
To make it easy let's list the integers that are beetwen 15 to 30 inclusive :
15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30
the the whole interval ]15,30[ is the answer
Answer: There are 8 integers that are multiples of neither 3 nor 5:
16,17,19,22,23,26,28,29
Just list the numbers in the set, eliminate the multiples of 3 or 5 and see what numbers are left.
Your answer is
3 x (-3)-2 = -45
-142/9
Answer: 48 square units
8 * 12 = 96
The square is 96 square units.
6 * 8 = 48/2 = 24
24 is the shaded region of 1 of the triangles.
24 * 2 = 48.
The total shaded region is 48 square units.
