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3 years ago

Ignore the stuff underneath I did it in pen and messed up.

Mathematics

1 answer:

Vinil7 [7]3 years ago

7 0

U didn't mess up....
V = pi * r^2 * h....divide both sides by (pi)r^2
V / (pi)r^2 = h

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The linear function graphed below represents Brenda’s monthly cell phone bill based on the number of hours she uses. What is her

grigory [225]

Answer:

$12 per hour

Step-by-step explanation:

In order to find her hourly rate we have to find the amount of dollars billed per hour. To do this we can use this expression: $\frac{y2 - y1}{x2 - x1}$

Let's use the points (1, 27) and (2, 39) in the expression:

$\frac{39 - 27}{2 -1}$

Now let's simplify the expression:

39 - 27 = 12

2 - 1 = 1

The expression simplifies to 12/1, or 12. This means that Brenda is billed $12 every hour she uses her phone.

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3 years ago

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3 years ago

An area of land has 512 acres. Each acre has 54 blades of

charle [14.2K]

Answer:

27,648 blades of grass

Step-by-step explanation:

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3 years ago

Step 3: Now multiply the values to get 14,918,904,000. That is almost 15 billion passwords.

Troyanec [42]

The number of passwords that would be allowed if users were allowed to reuse the letters and numbers is 30891577600

<h3>How to determine the number of passwords</h3>

The given parameters are:

Password length = 8

Letters = 6

Numbers = 2

There are 26 letters and 10 digits.

Since the letters and the numbers can be repeated, then the number of passwords is:

Count = 26^6 * 10^2

Evaluate

Count = 30891577600

Hence, the number of passwords that would be allowed if users were allowed to reuse the letters and numbers is 30891577600