6:15:21
6:15:21= 2:5:7
<em>(when divided by 3)</em>
Answer:
2^0+2^1+2^2+...+2^49
Step-by-step explanation:
1=2^0
2=2^1
4=2^2
8=2^3
and so on
Answer:
x = -1
Step-by-step explanation:
5 less than a number is equivalent to 1 more than three times the number
number = x
x - 5 = 3x + 1
now im going to get the numbers and variable on different sides
x - 5 + 5 = x
3x + 1 - 3x = 1
x + 3x = 4x
1 - 5 = -4
4x = -4
lastly im going to divide each side by 4
4x / 4 = x
-4 / 4 = -1
x = -1
Answer:
81cm
Step-by-step explanation:
15cm + 20cm + 21cm + 25cm = 81cm
