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madreJ [45]
2 years ago
11

How many different 5-digit PIN codes are there that only include the digits 3, 4, 5, 6, 7, 8 and 9 if each of those digits is on

ly allowed to be used once?
Mathematics
1 answer:
kipiarov [429]2 years ago
6 0

Answer:

the number of ways to form a 5 digit pin using the given digits is 720

Step-by-step explanation:

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A rectangular garden is 8 feet long. If you walk diagonally across the garden, you would walk 10 feet. How many feet wide is the
galina1969 [7]
By using Pythagoras theorem

width = \sqrt{10^2 - 8^2} = 6 feet
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Keelin’s hourly rate went from $9.50 per hour to $10.25 per hour. What is the percent increase?
bazaltina [42]

Answer:

.75 would be your answer to your question!

I hope this really answered your question and i'm really happy to help!

Step-by-step explanation:

So you would take the $9.50 + .75 and you will get the answer $10.25

3 0
3 years ago
Examine this right triangle. A right triangle has a side length of 16 meters and hypotenuse of 20 meters. Which equation can be
Sergeu [11.5K]

The equation can be used to find the missing leg in the triangle 20^{2} = 16^{2} +a^{2}.

<h3>What is the right triangle?</h3>

A right-angle triangle is a triangle that has a side opposite to the right angle the largest side and is referred to as the hypotenuse.

It is given that a right triangle has a side length of 16 meters and a hypotenuse of 20 meters.

From a Pythagoras theorem

b^{2} = c^{2} +a^{2} \\20^{2} = 16^{2} +a^{2}\\20^{2}-16^{2} =a^{2}\\a^{2} = 20^{2}-16^{2} \\

Thus, the equation can be used to find the missing leg in the triangle 20^{2}-16^{2} =a^{2}.

Learn more about the right-angle triangle;

brainly.com/question/5474676

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3x + 2y > 6x - y < 1
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Find the percent of increase or decrease from the first number to the second number. 140 to 84
tresset_1 [31]
We can automatically see that we are dealing with a percent decrease because we are going from a smaller to a bigger number. We need to first find what percent of 140the number 84 is. to do this we can set up the following equation:

140/84=100/x (this equation is basically saying if 140 is 100(%) what would 84 be?)

solving for x here gives us x = (84 X 100)/140 = 60, so 84 is 60 percent of 140 which means 140 decreased by 40 percent.

Let me know if I can clear anything else up.


8 0
3 years ago
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