Answer:
1)x=15
2)x=38
3)x=7
4)x=10
Step-by-step explanation:
Answer:
a=-1
Step-by-step explanation:
a(n) = -6+3(n-1)
a(n) = -6+3n-3
a(n) -n=-6+3n-n-3
a=-6+3-3
+3 +3
a3=-3
---- ----
3 3
a=-1
Answer:
The number series 1, 3, 5, 7, 9, . . . . , 59. Therefore, 900 is the sum of first 30 odd numbers.
La repuesta es “x = 7”.
9x + 8 = 11x - 6
-9x -9x
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8 = 2x - 6
+6 +6
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14 = 2x
__ __
2 2
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7 = x
