2 years ago

22

Mathematics

1 answer:

dalvyx [7]2 years ago

8 0

The first digit may be 1 or 8.

The second digit may be 1, 2, 4, 8.

The third digit may be 1, 3, 5, 7, 9.

There are $2\times4\times5=40\:variants$

The probability that this is the correct code is $\frac{1}{40}$

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Find the first, fourth, and tenth terms of the arithmetic sequence described by the given rule.

Klio2033 [76]

The firs term
A(1)=-6+(1-1)(6)
A(1)=-6+(0)(6)
A(1)=-6

The fourh term
A(n)=-6+(n-1)(6)
A(4)=-6+(4-1)(6)
A(4)=-6+(3)(6)
A(4)=-6+18
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The tenth term
A(10)=-6+(10-1)(6)
A(10)=-6+(9)(6)
A(10)=-6+54
A(10)=48

Answer:
D. -6,12,48

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3 years ago

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fgiga [73]

Answer:

See attached photo for solutions

Step-by-step explanation: