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cuppykittyy
29.09.2021 •
Mathematics
Can anyone pls help me
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Ответ:
64 times -2
Step-by-step explanation:
Ответ:
Step-by-step explanation:
an = a1 * (-2)^(n - 1)
a1 = 4
a2 = 4 * (-2)^1
a2 = 4 * -2
a2 = - 8
a3 = 4 * (-2)^(n - 1)
a3 = 4 * (-2)^2
a3 = 4 * 4
a3 = 16
an = 4 * (-2)^(n - 1)
an = 4 * (-2)^-1 * (-2)^n
an = 4/(-2) (-2)^n
an = -2 * (-2)^n
Now this is how you know. You know that a4 = - 32. So try your modified formula
a4 = - 2 * (-2)^4
a4 = -2 * 16
a4 = - 32
Ответ:
D. x = 4.
Step-by-step explanation:
As the 2 angles are congruent:
2.3x +25 = 5.8x + 11
2.3x - 5.8x = 11 - 25
-3.5x = -14
x = 14/3.5
x = 4.