12.5%, every 500 years you take away half of the substance (50%) -> 25% -> 12.5%
you divide your number 3 times because 1500/500=3
Answer:
the anwer is b
Step-by-step explanation:
Answer:
(6,1)
Step-by-step explanation:
using substitution we find x=y+5, then we plug into the equation and find y and then using y we can find x
hope it helps!
Answer:
309 inches squared
Step-by-step explanation:
bottom face: 40
left face: 96
right face: 104
front face: 30
behind face: 30
add them up
Answer:
24
Step-by-step explanation:
if we observe carefully we can see that the difference in the number of dots from the first picture to the second picture is 5
and the difference in the number of dots from the second picture to the third picture is 7
so there might be a chance that the difference between the 3rd figure and 4th figure may be 9
so my answer is the number of dots in the 3rd picture + 9
15+9= 24
