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Andrews [41]
2 years ago
5

In a certain country, the car license plate formed by 4 numbers from the digits 1-9 followed by 3 letters from the alphabet. How

many license plates can be formed if neither the digits nor the letters are repeated?
Mathematics
1 answer:
andriy [413]2 years ago
7 0

Answer:

78,624,000 license plates

Step-by-step explanation:

For each of the 4 numbers, we have the following possibilities:

First number: 10 digits possible

Second number: 9 digits possible (one used)

Third number: 8 digits possible (two used)

Fourth number: 7 digits possible (three used)

For each of the 3 letters, we have the following possibilities:

First letter: 26 digits possible

Second letter: 25 digits possible (one used)

Third letter: 24 digits possible (two used)

The total number of license plates is the product of all these possibilities:

Number of plates = 10 * 9 * 8 * 7 * 26 * 25 * 24 = 78,624,000 license plates

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Answer:

x < y

Step-by-step explanation:

4 0
2 years ago
A certain kind of animal weighs about 75 pounds at birth and gains about 2 pounds per day for the first few weeks. Determine tho
Elodia [21]
<h3>Answer:</h3>

25

<h3>Step-by-step explanation:</h3>

Let w represent the weight of the animal in pounds, and d the age in days. The problem statement tells us ...

... w = 75 +2d

We want to find d when w > 125.

... 75 +2d > 125 . . . . . substitute the above expression for w

... 2d > 50 . . . . . . . . . subtract 75

... d > 25 . . . . . . . . . . . divide by 2

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4 0
3 years ago
What is t÷5-4=9 what is t ??
Sophie [7]
Add 4 to boh sides
t/5+4-4=9+4
t/5+0=13
t/5=13
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5t/5=5*13
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7 0
3 years ago
Line m passes through the points (2, -7) and (4, -9) line m is parallel to which line
zhannawk [14.2K]

Answer:

The Answer is: The slope is -1, so any line with the same slope is parallel.

Step-by-step explanation:

Given points (2, -7) and (4, -9) find the slope, m:

m = y - y1 / (x - x1)

m = -7 - (-9)/(2 - 4)

m = -7 + 9/-2

m = 2/-2

m = -1

A parallel line is any line with the same slope which is -1.

Hope this helps! Have an Awesome day!!  :-)

8 0
3 years ago
(2x+30y)=(12x+17)<br> Find x
Hunter-Best [27]
2x+30y=12x+17
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x-intercept:
0=(10/30)x+(17/30)
-17/30=(10/30)x
-17/10=x
3 0
3 years ago
Read 2 more answers
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