Answer:
i beleive it is c
Step-by-step explanation:
not completly sure
Answer:
A. n = 5
Step-by-step explanation:
S = n² + n
When S = 30:
n² + n = 30
Subtract 30 from both sides: n² + n - 30 = 0
Factorize: (n - 5)(n + 6) = 0
Therefore n = 5 or -6
As n > 2, then n = 5 only
Answer:
I'm not very sure, however I think you have to replace the sign - for a +.
Step-by-step explanation:
7 + 4√13
Answer:
d=14
Step-by-step explanation:
Divide both sides by the numeric factor on the left side, then solve.
so the answer is d=14
Answer:
16m and 12m
Step-by-step explanation:
2x + 2(x - 4) = 56
4x = 64
x = 16
Sides are 16 m and 12 m
