Answer:
The complementary angle is 72
Step-by-step explanation:
Complementary angles add to 90 degrees
Let x be the complementary angle
x+18 = 90
Subtract 18 from each side
x = 90-18
x = 72
Answer:
3610
Step-by-step explanation:
Answer:
48.67
Step-by-step explanation:
31 divided by 2 = 15.5 which is the radius
15.5 times by 3.14(pi) = 48.67
Speed is inversely propportionalthe time.
Constant equal to 5.
Answer:
15
Step-by-step explanation:
8+5=13
39/13=3
3*8=24(boys)
3*5=15(girls)