By distance formula
the perimeter would be
the sum of 5+root5+root8
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Answer:
30 y
Step-by-step explanation:
We need to multiply 5 by 4y and 5 by 2 y
20y + 10y = 30y
Answer:
C 3x + 12
Step-by-step explanation:
3(x + 4)
The 3 gets distributed to each term inside the parenthesis
3(x + 4) = 3x + 3*4
3(x + 4) = 3x + 12
18 because 6=22. 12=44. 18=66
Answer:
-7/ 48
Step-by-step explanation:
Given that:
Average change in water level per 3 years = - 7/16
This means the water level decreases by - 7/16 on average every 3 years
The change in water level after a year will be ;
-7/16 = 3
x = 1
Cross multiply ;
3x = - 7/16
Divide both sides by 3
x = -7/16 ÷ 3
x = - 7/16 * 1/3
x = - 7 / 48
Hence, water level will change by - 7/48 after a year.
