3 years ago

How many passwords of 5 characters (numbers or letters) can be created if repeats are allowed

Mathematics

1 answer:

alex41 [277]3 years ago

4 0

Answer:

at least 290,000

Step-by-step explanation:

Why is this a question

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the answer is thus A

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2 years ago

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dem82 [27]

Answer:

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Step-by-step explanation:

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3 years ago

$10,788 per dozen, find for EACH computer (a) dollar markup, (b) percent markup on cost, and (c) percent markup on selling price

swat32

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3 years ago

What is the formula to find the circumference of a circle and how do i do it?

Leni [432]

Answer:

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2 years ago

3(s-5)/4 -3 = 4s- (s-3)/2<br>pls answer fast

Jobisdone [24]

Answer:

$s = \frac{9± \sqrt{ - 39} }{4}$

Step-by-step explanation:

$\frac{3(s - 5)}{4 - 3} = \frac{4s \times (s - 3)}{2}$

➡️ $\frac{3(s - 5)}{1} = 2s \times (s - 3)$

➡️ $3s - 15 = 2 {s}^{2} - 6s$

➡️ $3s - 15 - 2 {s}^{2} + 6s = 0$

➡️ $9s - 15 - 2 {s}^{2} = 0$

➡️ $- 2 {s}^{2} + 9s - 15 = 0$

➡️ $2 {s}^{2} - 9s + 15 = 0$

➡️ $s = \frac{ - ( - 9)± \sqrt{( - 9 {)}^{2} - 4 \times 2 \times 15} }{2 \times 2}$

➡️ $s = \frac{9± \sqrt{81 - 120} }{4}$

➡️ $s = \frac{9± \sqrt{ - 39} }{4}$

➡️ $s∉ℝ$

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2 years ago