1.
√a * 2b³ = 3 * 54
√a = 3 2b³ = 54
a = 9 b³ = 27
b = 3
[tex]\frac{a+b}{2} =\frac{9+3}{2} = \frac{12}{2} =6[/tex]
2.
x + x + 1 + x + 2 = 39 mayor : x + 2
3x + 3 = 39 12 + 2
3x = 36 14
x = 12
3.
b = 2a
primetro = 2b + 2a
30= 2(2a) + 2a
30 = 4a + 2a
30 = 6a
5 = a
10 = b
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1.
√a * 2b³ = 3 * 54
√a = 3 2b³ = 54
a = 9 b³ = 27
b = 3
[tex]\frac{a+b}{2} =\frac{9+3}{2} = \frac{12}{2} =6[/tex]
2.
x + x + 1 + x + 2 = 39 mayor : x + 2
3x + 3 = 39 12 + 2
3x = 36 14
x = 12
3.
b = 2a
primetro = 2b + 2a
30= 2(2a) + 2a
30 = 4a + 2a
30 = 6a
5 = a
10 = b